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AURORA - Midsummer Solar PV Wholesale

1. power one WA hanging fe Shape of Power User Manual Page 54 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 6 6 Time This function allows time and date setting Time 14 21 Date 17 May 2006 5 5 6 7 Language It is possible to set the national language or English English Italiano 5 5 6 8 START UP voltage Start up voltage can be set according to the characteristics of the wind turbine generator system Voltage range can be 50V to 350V The default setting 1s 50V This parameter can be changed by means of the display keys VStart 50V 5 5 6 9 Autotest Self test to verify correct operation of the protection and the grid interface device as required by UL 1741 standard Autotest Press ENTER to access all information of this section UV test OF test UF test DC injection OV Max voltage UV Min voltage OF Max Frequency UF Min Frequency DC injection DC component of the output current This component shall not exceed gt 0 5 of the inverter maximum rated current or the unit will switch off power one M Changing Hie Shape of Power User Manual Page 55 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 The display has 2 lines use the buttons on the side of the display to scroll through items or open the corresponding submenus An arrow on the left side of the display highlights your current selection When an item is selected press ENTER to open the submenu As soon as a test 1s
2. 6 1 3 Daisy chain RS 485 terminal block or RJ12 connectors can be used to connect a single AURORA inverter or many AURORA inverters connected in a daisy chain Maximum number of inverters that can be connected in a daisy chain is 64 Recommended maximum length of this chain is 4 000 feet In case many inverters are connected in a daisy chain it is necessary to assign an address to each unit Refer to paragraph 5 5 6 1 for mstructions on how to set addresses The last inverter of the chain must have line termination contact active S2 switch 120Q TERM set to ON See Fig 24 Any AURORA inverter is supplied with the default address two 2 and with the S2 switch in the OFF position In order to ensure optimum communication on the RS 485 line Power One recommends connecting a PVI RS232485 adapter between the first unit of the daisy chain and the computer See Fig 25 for further details Other RS 232 to RS 485 converters available on the market can also be used but Power One does not guarantee correct operation since equipment has never been tested with those devices Moreover some of those converters require external termination impedance which is not necessary for the PVI RS232485 power one M Changing Hie Shape of Power User Manual Page 64 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 The following diagram shows how to connect multiple units in a daisy chain configuration PC with RS232 port Sub D 9 pin male Last A
3. A FEW POINTERS ON DISPLAY KEY OPERATION Press the UP and DOWN buttons to scroll through items Press the ESC button to go back to the previous session see sect 5 5 3 Press ENTER 4th key from display to open the selected submenu 5 5 5 Statistics Select the STATISTICS menu to display the following submenu Lifetime Partial Today Last 7 days Last Month Last 30 Days Last 365 Days User period The display has 2 lines use the keys at the side of the display to scroll through items or open the corresponding submenus as described in section 5 5 3 A FEW POINTERS ON DISPLAY KEY OPERATION An arrow on the left side of the display highlights your current selection as shown in the following figure power one NS Changing he Shape of Power User Manual Page 48 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 5 1 Lifetime Select Lifetime to view the following information Time Lifetime operation time E tot Lifetime energy output Val Money earned CO2 CO2 saving compared to fossil fuel 5 5 5 2 Partial Select Partial to view the following information Time Total operation time since counter was last reset E par Total energy output since counter was last reset PPeak Maximum peak power measured since Partial counter was activated Val Money earned since counter was last reset CO2 CO2 saving compared to fossil fuels since counter was last reset e Hold the ENTER key 4th key fr
4. WARNING Check the National and local standards and regulations to make sure your electrical installation and design are in compliance with them RS NOTE In accordance with the typical assembly diagram see Fig 9 an AC disconnect switch with the overload protection breaker must be used to connect the AURORA inverter to the grid Recommended ratings for the disconnect switch are 40A 240VAC Rete AC Disconnect switch Max Rating 40A 240Vac AC Generator Disconnect switch 3 phase Max Rating 40A 400Vac Rectifier Wind Interface Fig 9 Wiring diagram WARNING When disconnecting the AURORA inverter always open the AC disconnect switches to disconnect the inverter from the grid and from the generator Wait until the LEDs on the front panel turn off before unplugging the multiple contact connections from the DC input WARNING When selecting the power supply cables for AURORA connections carefully consider nominal operating voltage insulation voltage maximum operating temperature current density and flammability rating All of these values must comply with the maximum current density ratings required by applicable local rules A key parameter to consider in cable selection is cable loss as exceeding loss will lead to lower efficiency power one M Changing Hie Shape of Power gt P User Manual Page 25 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 The maximum diameter allowed for
5. 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 7 Info This menu is used to display all AURORA data gt Part No part number gt Serial No Wk Yr serial number week year gt Fw rel firmware release level Ho Fog sad Faf Oy power one WA hanging the Shape of Power User Manual Page 60 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 a n AuroraSix1Bbets Display alaba diagram E i El i i hy T F 11 ye els i Ee AE ie tt vi ih tH 1 1 AAA RE PER BEE HB ge Hhh N HE bg ba Pa sl ye NS ir ete the Shape of Power User Manual Page 61 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 6 DATA MONITORING AND COMMUNICATION 6 1 Connection through RS 485 serial port or RJ12 connector 6 1 1 RS 485 serial port The RS 485 serial port uses a three wire cable two wires are for signals and the third one is for ground connection Cable is routed through the holes located at the bottom of the inverter The holes are sealed with waterproof plugs see Fig 23 Supplied cable glands must be installed in the suitable hole 1st PLUG 2nd PLUG Fig 23 Holes for cables necessary for RS 485 port connection or wiring for RJ12 connectors connection For easier installation the inverter features two holes so that the input and output cables can be separated in case more units are connected in a daisy chain One d Changing the Shape of Power User Manual Page 62 of
6. EE AY E E E E E 4 5 5 5 5 Loe MOn o APA EA E E EOE E E EN 4 5 5 5 6 POD EE E E E 4 Dos ad Last OD DANS ba ee ER EE ed EDE DE ie 4 5 5 5 8 SS CO apc Ee N ea de Ee OE 4 Sk AN EE EE OE A 4 5 5 6 1 IS AE E E A A 4 5 5 6 2 PA 4 5 5 6 3 SL a e AE OE OO EE N 4 5 5 6 4 New password erecto trad 4 5 5 6 5 OS a E EE RE 4 5 5 6 6 METAS EO EE EE EE 4 5 5 6 7 PATNA AE EE OE EE N Ee 4 5 5 6 8 SLART UP volage AAA 4 5 5 6 9 AGO E i e on A 4 5 5 6 10 PP e o A 4 5 5 6 11 R moe COn O as oe EE nats 4 5 5 6 12 UN ye 0 aoe se ears AE AO EE 4 5 5 6 13 Alarm Ve EA N OE OE EE OE N 4 AN RE OE o e 4 6 DATA MONITORING AND COMMUNICATION 4 6 1 CONNECTION THROUGH RS 485 SERIAL PORT OR RJ12 CONNECTOR 4 6 1 1 SS a 4 la KZ CO OCI OTS iaa d OMS DAS EE EE EE EE EA 4 6 2 SERIAL CONNECTION WITH USB PORT esse sesse ee ee ee ee see ee ee ee ee ee ee ee ee ee ee 4 6 3 MEASUREMENT ACCURACY cross tata nio 4 7 TROUBLESHOOTING maine insae ier sb ese ses nee e de eed eie de 4 power one WA Changing Hie Shape of Power User Manual Page 9 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 TECHNICAL FEATURES Q cccccccccscccccccccccvees 4 8 1 INPUT VALUES cccceccccccececccccececcceseceecscscecesescstscecucesestscesececesesuseeeecs 4 8 2 CETPOT NE Gr EE OE N N ssolridios 4 8 3 GRID PROTECTION CHARACTERISTICS ccecescccececececcccecececececesescecscecess 4 8 4 GENERAL CHARACTER
7. WARNING Make sure to insert the memory connector pins correctly into the board connector gt gt One Changing the Shape of Power User Manual Page 31 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 4 START UP A WARNING Do not place any items on AURORA during operation WARNING Do not touch the heat sink when the inverter is operating as some parts may be hot and cause burns Start up procedure 1 Switch the AC breaker ON If the speed of the turbine is high enough to generate at least SOV DC on the rectifier output the AURORA inverter will turn on the display lights on Note that the inverter is powered directly from the wind generator therefore if the turbine is not rotating the inverter will turn OFF 2 Switch the Grid DC breaker ON 3 Once both breakers are ON the inverter starts the grid connection sequence The check routine may take from 30 seconds up to several minutes depending on grid condition The routine is indicated by the flashing green LED marked POWER Three screens are shown on the display during the check routine e Measuring isolation resistance Measuring Riso connection in progress with progress indication e Grid voltage value and status compared to specified values within outside range e Grid frequency value and status compared to specified values within outside range 4 When the connection sequence is completed the AURORA inverter starts operating Normal operati
8. by this symbol contain processes and instructions that must be rigorously understood and followed to avoid potential damage to the equipment and negative results The equipment is provided with several labels some of them with a yellow background which are related to safety issues Make sure to read the labels and fully understand them before installing the equipment The labels utilize the following symbols Equipment grounding conductor Main protective grounding PE NY Alternate Current AC value Direct Current DC value Grounding Earth power one WA hanging fe Shape of Power User Manual Page 4 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 USEFUL INFORMATION AND SAFETY STANDARD INTRODUCTION gt gt The installation of AURORA must be performed in full compliance with national and local standards and regulations AURORA has no spare parts to replace For any maintenance or repair please contact the nearest authorized repair centre Please contact your reseller 1f you need to know the nearest authorized repair facility Read and understand all the instructions contained in this manual and become familiar with the safety symbols in the relevant paragraphs before you install the equipment The connection to the distribution grid must be done only after receiving approval from the distribution utility as required by national and state interconnection regulations and can be done only by qualified perso
9. ics NOTE The shipper delivered your AURORA inverter to the carrier safely packaged and in perfect condition Upon acceptance of the package the carrier assumes responsibility for its safe delivery In spite of careful handling during transportation damage to package or its contents sometimes occurs The customer is encouraged to perform the following checks gt gt gt Inspect the shipping box for apparent damage such as holes cracking or any signs of possible damage to its contents Record any damage or shortage in the receiving documents and have the carrier sign his her full name Open the shipping box and inspect the contents for internal damage While unpacking be careful not to discard any equipment parts or manuals If any damage is detected call the delivering carrier to determine the appropriate action Save all shipping material in case the carrier should send an inspector to verify damage If the inspection reveals damage to the AURORA inverter call your supplier or authorized distributor They will determine if the equipment should be returned for repair They will also provide instructions on how to get the equipment repaired It is the customer s responsibility to file a claim with the carrier Failure to file a claim with the carrier may void all warranty service rights for any damage Save the original package your AURORA inverter arrived in for use in case you should need to return it for repair in the
10. the conductors to be assembled to the terminal blocks for grid connection is 0 16 The supplied M32 cable gland accepts wires up to 0 19 The following items are located on the bottom of the inverter see Fig 10 from right to left gt Two holes sealed with waterproof caps Remove the caps to gain access to the connectors for data serial transfer via the RS485 port One hole is for the input serial cable and the other for an output cable if fitted output cable is required when several inverters are connected in a daisy chain configuration see Section 6 gt Hole sealed with waterproof cap for AC grid connection gt Hole sealed with waterproof cap for DC connection to the rectifier ET E Fig 10 Connectors on the bottom of the inverter and their labels WARNING When making the electrical connections follow the procedure MN exactly to avoid exposure to dangerous voltages Each step of the procedure is explained in the following paragraphs To disconnect the AURORA inverter perform steps 1 6 and 2 6 and then disconnect the AC and DC connectors power one WA Changing the Shape of Power User Manual Page 26 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 gt The wind turbine need to be blocked with a mechanical brake prior to be connected to the AURORA inverter to make sure that there 1s no voltage on the cable that can result in a safety hazard 3 6 Electrical Connections Step 1 6 Step 2 6 Step
11. the system Total energy Partial energy Mean grid voltage Insulation resistance Leakage current to ground Date and time VVVVVVVV VV VV VV VV VV power one WA Changing Hie Shape of Power User Manual Page 35 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 2 2 Internally logged data The AURORA inverters store the following data internally YYY V VV WV Lifetime counter of grid connection time Lifetime counter of energy transferred to the grid Energy transferred to the grid every 10 seconds for the last 8 640 of 10 second periods that covers more than 2 days of logged data Partial counter of grid connection time counter start time can be reset using the AURORA Communicator software Partial counter of energy uses the same start time as the partial time counter Last 100 fault conditions with error codes and time stamp Last 100 changes to grid connection parameters with parameter code and new value All data can be retrieved via the RS 485 interface In addition the first two types of data are displayed on the LCD screen 5 3 LED indicators There are three LEDs on the side of the LCD display as shown in Fig 18 the first LED from the left POWER indicates proper operation of the inverter the LED in the middle FAULT indicates a fault condition and the LED on the right GFI indicates a ground fault l The green Power LED indicates that AURORA is operating correctly This LED flashes upon star
12. 21 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Fig 6 MP 01 AURORA wall mounting Part D 200 200 12242 E a 10 real EG N s o CO p 578 08 Part art C Part C O dm Fig 6 MP 02 Wall Bracket NOTE Ensure that the AURORA inverter is not exposed to direct sun radiation or other external heat sources including the units installed underneath it see Fig 7 If several inverters are stacked up the heat generated by the inverters placed at the bottom of the stack could cause ambient temperature to rise and affect the operation of the inverters in the Cl ONE Changing the Shape of Power User Manual Page 22 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 gt amp upper rows Temperatures exceeding 40 C could result in the derating of the output power of the units placed in the upper rows A combination of high output power and high ambient temperature will result in a significant power derating and a lower energy production For proper cooling make sure to install AURORA to allow unobstructed air flow for instance the front panel should never face a solid surface RECOMMENDED ARRANGEMENT Fig 7 Recommended installation of AURORA inverters NOTE Although tilted mounting is allowed see Fig 8 it will cause increased power dissipation and may result in output power derating W
13. 3 6 Step 4 6 AN Open the AC grid disconnect switch Open the Wind Generator AC disconnect breaker Unscrew the 4 screws to open the front panel Connect the inverter to the AC grid disconnect switch WARNING Use suitable low impedance cables to connect the inverter to the AC disconnect switch WARNING The inverter must be connected to the AC grid disconnect switch using a three wire cable with two line wires and a ground wire 1 Route the cable from the inverter to the AC disconnect 2 Connect the three pole cable to AURORA using the cable gland on the case 3 Connect the three wires as follows terminal 2 to Line terminal 3 to Neutral Terminal 4 no connection Screw terminal D Protection earth L Fig 11 AC wire terminal block power one WA hanging the Shape of Power User Manual Page 27 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Te NOTE If you have installed a meter between the AC disconnect and the AURORA inverter follow the procedure outlined above when connecting to the meter Step 5 6 Connect AURORA to the Rectifier Wind Interface Box WARNING Prior to connecting the AURORA inverter to the rectifier check using a proper meter that the polarity and the voltage value between the positive and negative terminal are correct The output voltage polarity from the rectifier should match the and symbols Referring to Fig 12 use the following proc
14. 4 2 OUTD UK W Rev 2 0 CONTENTS 1 INTRODUCTION sessie voe deed ses oe eo ee ee oes ed ee Goed ae ee 4 2 SYSTEM DESCRIPTION ccccccccccccccsccccccccccccccccecs 4 2 1 KEY ELEMENTS OF A WIND ENERGY SYSTEM WIND TURBINE AND GENERATOR wow cc ccc ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ed 4 2 2 DATA MONITORING AND TRANSMISSION ee ee 4 2 3 TECHNICAL DESCRIPTION cccccccecececscccccececececccccescececesescscecececeseeeececess 4 2 4 SAFETY FEATURES cccccscscscsccscscccscccccescecscscececescscscscscecescscscsceceseeceasees 4 Zh PITTS VIII EE NE EE EE S 4 2 4 2 Wind generator Ground Fault ooooocnnnnnnnnnnnnnnnnnnnnorononanonnnnarononanonnnnos 4 2 4 3 Additional saftey features ooonccconnnoninnnonnnnnnononaronnnnnoonnnanonnnnacononanonnnnos 4 3 MING TAN CIO ONE OE mr rieo enn rTa res dro acacoRes 4 3 1 PACKAGE INSPECTION c cecescececcccececcscecccscecsescscscscscscscecescscesesescuees 4 3 2 INSPECTING PACKAGE CONTENTS ccscscecececececececececececececececesecececesececacs 4 3 3 SELECTING THE PLACE OF INSTALLATION cccccccceccccecececscecececcccceseseece 4 3 4 WALL MOUNTING ccccccccsceccccececcscececcscscecescscecescscscecscscscncesescecesencuees 4 3 5 BEFORE PERFORMING ELECTRICAL CONNECTIONS ccececececececececececess 4 3 6 ELECTRICAL CONNECTIONS ccsccscececcscecccececscecececececescscecesescecesesceees 4 3 7 STEP 6 6 OPTIONAL CONNE
15. 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 After passing through the cable gland cables are connected inside the unit to the RS 485 terminal blocks that can be reached by removing the front panel Refer to p 3 7 for details on front cover removal and installation gt Signal wires must be connected to the T R and T R terminals gt Ground wire must be connected to the RTN terminal RJ12 1 RJ12 2 Fig 24 Terminals for connection to RS 485 serial line and S2 6 1 2 RJI2 connectors As an alternative to the RS 485 serial connection either for a single unit or for multiple units connected in daisy chain the inverter connection can be performed by using RJ12 connectors see Fig 24 Wiring 1s again routed through the holes located at bottom of the inverter Input wiring passes through one hole and is to be assembled to one of the RJ12 connectors does not matter whether it is 1 or 2 since signals are connected in parallel Output wiring goes out from the other RJ12 connector through the other hole and reaches the next unit e one Changing the Shape of Power User Manual Page 63 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 RJ 12 connectors Signal cor See cee Data Line Required for RS485 communication Remote OFF 3 R Required or Remote OFF control see chapter 5 5 6 11 for details Data Line Required for RS485 communication iF Signal Return RTN Common reference for logical signals
16. 8mm 17 kg 0 100 condensing Valore PVI 42 OUTD 96 8 96 EURO lt 8 W lt 2W from 25 C to 60 C IP65 Nema 4X lt 50 dbA Im 547 x 325 x 208mm 17 kg 0 100 condensing Full power guaranteed up to Tamb 50 C as long as unit is not exposed to direct sun radiation power one WA hanging fe Shape of Power Page 72 of 74 User Manual 2 0 PVI 3 0 3 6 4 2 OUTD UK W Rev iciency PVI 3 0 OUTD Eff 100 00 345Vdc mn T T PSST LOOT TDR LR RENE RR Ry RSS EE er ED RR ORR EMEA RE ELE BORE AS aE DD RA AIS EEO ROAR BA ME REDE DES DAE NP ED DOE Ol NEN IND RAAS SERP EOF a RD r r SS ED Se EER RE A EE EE RE EE ey EE RR ane RE tee a ARE SA IE pee EE AE SE NN AR EE AREA F T F Te TE E oT SEE E EA ATA A E RR TE ER eo EEE ERA ea DOE EES DE KERSE IE DE eee I RAE Soo oo ooooo o p SAR RR AS NE NR ARAS NATA DE RO EA A TA A E AECE RAN RS VISTA EAT AA NOT Sat GI a T 1 1 1 1 l l l l 1 1 1 1 l L 1 l l l 1 1 1 l l l l 1 1 l r 1 l l l 1 1 1 1 l l l l l L 1 1 1 l l 1 l l 1 l 1 1 l l r l l 1 1 l 1 l 1 l l 1 1 l 1 SS ARAS AAA ASA AAA AA ny AR DAR a an ia a Cm o a TR A A O DEE ET 5 is ee N N N N N 80 00 Aduana mm in 480Vdc norris br De TE DIERE pr EE RE ol TOE aaron eater manatee DEE OD br gare sd ora Ma LAE SIR E HEI ST
17. ARNING Unit surface may become very hot during operation DO NOT touch unit surface to avoid burns power one WA Chang ing the Shape of Power User Manual Page 23 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Fig 8 Tilted mounting Before performing electrical connections WARNING Electrical connections shall be performed only after the AURORA inverter 1s securely mounted to the wall WARNING The connection of the AURORA inverter to the electrical distribution grid must be performed by qualified operators and only after receiving authorization from the utility that operates the grid WARNING For a step by step description of the correct procedure please read and follow the instructions provided in this section and its subsections while observing all safety warnings Any operation that does not comply with the instructions can lead to conditions hazardous to personnel and or equipment damage WARNING Always respect the nominal ratings of voltage and current defined in Section 8 Technical Characteristics when designing your system When designing the system make sure the following limits are never exceeded gt Pe PB gt Maximum DC voltage input 600Vdc under any condition power one WA Changing he Shape of Power User Manual Page 24 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 gt Maximum DC current input to the 2 parallel input for PVI 4 2 model 32 Adc maximum while for PVI 3 0 3 6 models 20 Adc
18. CTION OF THE FREQUENCY SIGNAL FROM THE WIND TURBINE cccececcccccececcccccccecscecececececseecesesescececececeseeescecscecess 4 3 8 HOW TO ACCESS THE INTERNAL TERMINAL BOARDS THROUGH THE FRONT PANEL 4 3 9 REPLACING THE CR2032 LITHIUM BATTERY Se ee ee ee ee ee ee 4 3 10 REPLACING THE MEMORY scececececcccececceccccececececeseecscscecesecesescececeseees 4 4 STARTUP EE EE EE EE OE NE 4 5 MONITORING AND DATA TRANSMISSION 4 5 1 USER S INTERFACE MODE ccececcccecececcccccscecececeseccscscecececesescececeseees 4 5 2 AVAILABLE DATA ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ed 4 5 2 1 Real time operational data ooooonnnninonnninonoonnnonononnnnononanonnnnacnnnnanonoss 4 52a MBA logged dala ta 4 5 3 LED INDICATORS ccececcccscecececcscccecececceccececscececeseecscsceceseseseseececeseees 4 5 4 MESSAGES AND ERROR CODES cccececececcccecececccscecececececesescscececeseees 4 5 5 DISPLAY LCD ooo cece cece ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ed 4 5 5 1 Connection of system to the Pride ata 4 Power one WA Changing fe Shape of Power User Manual Page 8 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Deel PROF MESSI reacios 4 5 5 3 First phase electric parameter monitoring ees ee ee ee 4 e SS 4 IS DSS EE EA EE EE EE E EE EE AE AEE 4 5 5 5 1 EAI ANS EE E E E EE T N 4 MZ Para OE EE EE E ER 4 5 5 5 3 TOG AY gars OE E E E 4 5 5 5 4
19. EEN EE RIA IS ERA PLAT HR HIM SIEK AT MA PES AE ERA AI AR N 70 00 Output Power KW Fig 27 Efficiency curve PVI 3 0 OUTD UK W iciency PVI 3 6 OUTD Eff 100 00 1 qe o 95 00 Eo ooo EER DEERE EER dua91143 TT He ee ee TE TE TR NS Vin 215Vdc I I I 1 1 l j j l j I j I j ie I l I j j j 1 j j l I 1 l j I T I l j j l I 1 I I I j 1 I j 1 1 j j j l j I j j j 1 I l 1 EER DEERE EER 70 00 Output Power kW One Changing Hie Shape of Power User Manual Page 73 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Fig 28 Efficiency curve PVI 3 6 OUTD UK W 100 00 PVI 4 2 OUTD Efficiency 95 00 90 00 x gt Q 85 00 2 o e 1 t HEN a aha i EA sae bae HE RAE oa as al LL REF a EE AAA AS EE sae ne at n Rae ae EE DELER RES NEE SE 80 00 ss EER IE EE i Ec Sou ss EE ES A sarao 7 3 a Y Vin 245Vdc ee ae PEER es Seon eee yi e ERS EEE me Vin 480Vdc 70 00 0 0 5 1 1 5 2 2 5 3 3 5 4 Output Power kW Fig 29 Efficiency curve PVI 4 2 OUTD UK W 8 5 Power Derating In order to ensure reliable operation under different ambient and loading conditions the AURORA inverters automatically decrease the output power as a function of the temperature and input voltage Power reduction due to environmental conditions Power reduction and tem
20. ISTICS ccecececscccecececcccecececececesescscecececeseeuseececs 4 8 5 POWER DERATING cccceccccccececececcccececececescececscecceseseecscececeseecscscecesaeeees 4 power one WA hanging he Shape of Power User Manual Page 10 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 1 INTRODUCTION This document contains technical description of AURORA Wind inverters It is intended to provide the installers and users with all the necessary information about installation operation and use of AURORA Wind inverters power one WA Changing Hie Shape of Power User Manual Page 11 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 2 SYSTEM DESCRIPTION The AURORA inverter 1s capable of feeding power to the grid converting the power generated by a wind turbine The wind turbine using a generator converts the mechanical energy from wind into the 3 phase AC voltage The voltage and frequency of the AC generated by the wind turbine are variable and depend on the wind speed To be exported to the utility grid the power need to be converted to the frequency and voltage level of the grid When used in parallel with the grid the alternate current generated by the inverter is directly fed into the distribution circuit which is also connected to the public power distribution grid The wind energy system can thus powers all the connected users such as lighting devices household appliances etc When the wind turbine is not generating enough e
21. R to open the relevant submenu The following screen is ON OFF Auto power one M Changing Hie Shape of Power User Manual Page 53 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 ON Light is always on OFF Light is always off AUTO Automatic light setting It turns on every time a button is pressed and stays on for 30 seconds then gradually turns off 2 Contrast display light contrast Available display light tones from 0 to 9 Press UP and DOWN to scroll through numbers and press ENTER to select 3 Buzzer key tone setting Selecting ON key tone is on OFF key tone 1s off 5 5 6 3 Service Only installers and their staff can gain access to this function which is password protected The password can be provided by Power One 5 5 6 4 New password This function is used to change the default password 0000 To set your personal code use the display keys as follows Use ENTER to move from one digit to the next from left to right Use ESC to go back to the previous digit from right to left Press ESC repeatedly to go back to previous menus as described in 5 5 3 Press DOWN to scroll numbers backwards from 9 to 0 Press UP to scroll numbers from 0 to 9 VVVV WV 5 5 6 5 Cash This function helps quantifying energy savings Name EUR Val KWh 00 50 Name set desired currency using keys as usual Default currency 1s Euro Val KWh it indicates the cost of 1 KWh expressed in set currency Default setting is 0 50 Euro
22. Shape of Power User Manual Page 39 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 G X 5 Malfunction Fault indication Y A Every time the inverter detects a malfunction or fault of the RX system the yellow LED turns on and a message showing the type of a problem found appears on the LCD G X 6 RS 485 address setup indication Y l During installation the yellow LED will keep flashing until the R X address is acknowledged For further information about entering the address refer to section 6 3 G K 7 Grid disconnection Y E If a grid failure event occurs while the system 1s operating the R NX yellow LED turns on continuously 5 4 Warnings and Error Codes The system status 1s identified through message or error signals appearing on the LCD The tables below summarize the two types of signals that can be displayed WARNINGS identify current AURORA status they do not relate to faults The user 1s not required to take any actions messages disappear as soon as the system 1s back to normal operating conditions See W strings in the table below ERRORS identify a possible fault of the equipment or of the connected parts Alarm signals will disappear as soon as the causes are removed except for ground insulation faults in the wind turbine generator system which have to be corrected by qualified personnel Usually when an error signal appears an action 1s needed This action will be managed as much as possible by the AURORA inverte
23. User Manual Page 1 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 AURORA Wind Inverters INSTALLATION AND OPERATION MANUAL Model number PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 power one M Changing fhe Shape of Power User Manual Page 2 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 REVISION TABLE Document Author Date Change Description Revision Rev 1 0 Federico May 15 First emission Mastronardi 2008 Rev 2 0 Federico Jun 10 Changed wrong images Mastronardi 2009 SAVE THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS POWER ONE Reproduction and disclosure even partially of the contents of this manual are strictly forbidden without prior authorization of Power One power one M Changing Hie Shape of Power User Manual Page 3 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 IMPORTANT SAFETY INSTRUCTIONS This manual contains important safety and operational instructions that must be accurately understood and followed during the installation and maintenance of the equipment To reduce the risk of electrical shock hazards and to make sure the equipment 1s safely installed special safety symbols are used in this manual to highlight potential safety hazard and important safety information The symbols are WARNING the paragraphs highlighted by this symbol contain processes and instructions that must be absolutely understood and followed to avoid potential danger to people Ree NOTE the paragraphs highlighted
24. User Manual Page 46 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 9A Vin 0 V I in 0 0 A Vin input voltage value inl Instant input current value 10A Pin 0 W Pin Measured instant input power 11A Riso 0 0 Mohm Ileak 73 mA Riso Measured insulation resistance Unlike the parameters discussed above this is not an instant value but a measurement taken one time during inverter start up 12A Inverter OK Wed 17 May 1123 If all items described above are tested OK the inverter shows a corresponding message in the display top line along with date and time Clock malfunctioning or other non function related faults meaning such faults that do not affect the inverter s ability to generate energy are shown in the bottom line of the display in place of date and time The following error messages are provided CLOCK FAIL indicates clock malfunction contact service BATTERY LOW SET TIME appears the first time the unit is powered up or after the battery has been replaced FAN FAIL contact service MEMORY FAIL Data logging malfunction Contact service power one WA Changing Hie Shape of Power User Manual Page 47 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 4 Main menu When the grid connection sequence described above and all electrical parameter checks are completed other screens become available These screens let you monitor Inverter operation Pressing the ESC button gives access to 3 new screens
25. also available gt Data transmission via a USB cable This type of connection is typically used when monitoring a single inverter and for maintenance purposes To connect the USB cable remove the waterproof plug at the bottom end of the inverter s right wall Fig 16 Fig 16 USB port location power one NS Changing the Shape of Power User Manual Page 33 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Analog inputs Digitel Input Cuiput ei R545 Additional units AURORA Aurore Easy Control Ethernet End User 3 computer Fig 17 Data Transmission Options er one Changing the Shape of Power User Manual Page 34 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 2 Available Data AURORA provides two types of data that can be collected using the suitable interface software 5 2 1 Real time operational data Real time operational data can be transmitted on demand through the communication lines and are not stored by the inverter The AURORA Communicator software is available on the installation CD and may be used to transmit data to a PC check for the latest version on Www power one com The following data is available Grid voltage Grid current Grid frequency Power transferred to the grid Wind generator voltage Wind generator current Heatsink temperature Serial Number and Part Number Manufacturing week Firmware revision code Daily energy output Leakage current of
26. arrows 1n the top left corner of the display Fig 20 To stop auto scroll press the ENTER button A picture of the padlock will appear Fig 21 1A If the parameters measured previously see sect 5 5 1 are correct the system will proceed to the next checks The 12 screens outlined below are shown alternately as mentioned in section A FEW POINTERS ON DISPLAY KEY OPERATION 3A E tod 0 Wh tod 0 0 EUR E tod Daily energy output tod Daily energy savings Value is expressed in the set currency power one WA Changing Hie Shape of Power User Manual Page 45 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 4A E tot Lifetime energy output since first installation E par Partial energy output during selected period 5A P out 0 W T inv T P out Measured instant output power The second line of the display shows the higher of two temperatures T inv inverter heatsink temperature T boost heatsink temperature 6A Ppk Maximum peak power achieved since partial counter was activated Ppk Day Maximum peak power achieved during the day Counter will reset when unit is powered off 7A Vgrid 197 VVerid Avg 0 Verid Measured instant grid voltage Verid Avg Average grid voltage during the last 10 minutes of operation SA Isrid 0 8 A Ferid 50 18 Hz Igrid Measured instant grid current Fgrid Measured instant grid frequency power one WA hanging fe Shape of Power
27. conditions LEDs Status Operational Status 1 es i px Inverter is not yellow DI ti red x operating 2 green y Inverter is initializing yellow X loading settings and red X performing grid check 3 green EE yellow sg Inverter is powering the red sd grid d reen vel ane x Inverter is shut down red because of a GFI fault H 5 green DJ Mon E Inverter defected a fault red sd 6 green Pd Installation phase yellow 4 inverter is disconnected red X from grid i aa x lt Inverter is disconnected yellow J from grid red X POWEr 0ie WA hanging fe Shape of Power Page 37 of 74 Remarks Input voltage less than 50Vdc at the input It is a transition status while operating conditions are checked Normal operation Ground fault has been detected The fault can be inside or outside the inverter See the alarm code appearing on the LCD During installation it refers to setup of the address for RS 485 communication Indicates a missing grid connection User Manual Page 38 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 NOTE Inverter status 1s indicated by the corresponding LEDs and by a display message that provides a description of operation or fault condition see next sections 1 Standby mode AURORA is waiting for higher voltage on the input this occurs when input voltage 1s too low to feed the inverter 2 Initialization and grid check Initialization in progress input power is sufficient to f
28. edure 1 Verify the presence of the two wires connecting the two DC input channels in parallel the inverter 1s shipped from the factory with the two wires already connected 2 Connect the positive DC cable from the rectifier or Wind Interface to the positive terminal block inside the AURORA inverter red cable on Fig 12 3 Connect the negative DC cable from the rectifier or Wind Interface to the negative terminal block inside the AURORA inverter black cable on Fig 12 power one WA hanging fe Shape of Power User Manual Page 28 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Wind frequency input Fig 12 DC section cables Power One recommends using the Wind Interface box p n PVI 7200 Wind Interface US Refer to the Aurora Wind Interface User Manual for more details 3 7 Step 6 6 optional Connection of the frequency signal from the wind turbine If the MPPT is set using the wind turbine frequency the frequency signals available from the rectifier marked Wind Speed Wind Speed on the AURORA Wind Interface shall be connected to the pins marked WT and WT on the terminal bock of the AURORA inverter shown in Fig 12 3 8 How to access the internal terminal boards through the front panel WARNING Shock hazard Before removing the front panel disconnect AURORA from both the AC and DC side and allow 5 minutes for the internal capacitors to discharge To remove the front panel remove the 4 screws as s
29. eed the inverter AURORA is verifying start up conditions for instance input voltage value insulation resistance value etc and grid monitoring routine has been launched 3 AURORA is feeding the grid After completing a set of electronics and safety auto test routines the inverter starts the grid connection process During this stage AURORA automatically tracks and analyzes the maximum power point MPPT of the wind generator 4 Ground insulation fault AURORA indicates that insulation resistance was found to be too low This may be due to an insulation fault in the connection between the wind generator inputs and the ground IKKA JKA AKO EO DEK a Xx JA WARNING Shock hazard Do not attempt to correct this fault yourself The instructions below have to be followed very carefully Unless you are qualified to work on the equipment contact a service professional What to do after an insulation fault has been found When the red LED turns on try to reset the fault indication by pressing the multi function ESC button at the right side of the display If the inverter reconnects to the grid the fault was due to a one time event If this fault occurs frequently have the system inspected by a service professional If the inverter does not reconnect to the grid open both disconnect switches to place AURORA into a safe condition and contact an authorized service center to have the system repaired power one WA Changing Hie
30. er operating status and statistics Y Service messages for operator Y Error messages and fault indications During regular operation the display will cycle through available data The display changes to a different screen every 5 seconds or screens may be scrolled manually by pressing the UP and DOWN buttons located to the right of the display 1 These two screens are displayed upon inverter start up POWER ONE Initialing Please waiting 2 The following screens may appear while waiting for the connection to be established Missing Grid Waiting Wind While the system checks for grid connection to be established Missing Grid the yellow LED next to the display turns on continuously while the green LED is flashing When waiting for the input voltage to exceed 50Vdc Waiting Wind the green LED turns on steady When the Missing Grid and Waiting Wind conditions are verified the inverter is connected 3 Time seconds to complete output voltage and frequency check It takes from 30 seconds to several minutes to complete the operation Next connections 2 secs power one WA Changing Hie Shape of Power User Manual Page 43 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 4 Shows instant output voltage value and within outside range status Verid 197 8 V In range 5 Shows instant output frequency value and within outside range status Ferid 50 17 Hz In range 6 If measured ins
31. future power one WA hanging fe Shape of Power User Manual Page 18 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 2 Inspecting package contents Description Quantity Inverter AURORA l Bag containing 6 3x70 screws 3 pe 3 SX10 wall anchors 3 pc Torx20 wrench pe M6x10 screw l pe d 18 washer l pe Copy of this manual l Certificate of warranty CD ROM with communication software l power one WA Changing fhe Shape of Power User Manual Page 19 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 3 Selecting the place of installation The installation place should be selected based on the following considerations gt gt gt gt Height from ground level should be enough to ensure that display and status LEDs are easy to read Select a well ventilated place sheltered from direct sun radiation Choose a place that allows unobstructed airflow around the unit Allow sufficient room around the unit to enable easy installation and removal from the mounting surface A door is provided on the unit s front panel for hardware maintenance purpose The USB port for software connection is on the right side of the inverter protected by a cover installation should provide free access to this side otherwise you will have to remove the unit from its mounting surface during maintenance operations The following figure shows the recommended minimum clearances around the inverter Fig 5 Minimum clearance
32. hown in Fig 13 using the flat blade screwdriver er one Changing fie Shape of Power User Manual Page 29 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Fig 13 AURORA with front panel After replacing the front panel tighten the screws to 1 5 Nm 13 2 in lbs to ensure proper sealing 3 9 Replacing the CR2032 lithium battery WARNING This component should only be replaced by qualified personnel The AURORA inverter has a CR2032 lithium battery When the battery is nearing the end of its life a corresponding message appears on the LCD display To replace the battery remove the front panel see Fig 13 to get access to the battery holder shown in Fig 14 Note that the battery will not fit into its holder when pressed from the top down Instead slide the battery into its holder from the side while holding it tilted at a 30 angle E Zi SLEI EEJ Eee himm ee Fig 14 Batte y in place power one WA Changing the Shape of Power User Manual Page 30 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 10 Replacing the memory All energy output logs are stored in this memory If you need to replace the inverter the memory can be removed from the old unit and placed into the new inverter This way you will retain all system logs and keep saving future daily logs into the same memory see Fig 15 Fig 15 Inverter memory WARNING This component should only be replaced by qualified personnel
33. inverter follow the steps below v Work under safe conditions as stated in p 3 5 and throughout this manual v Check that connections between the AURORA inverter wind generator and power distribution grid have been made correctly v Carefully observe which LED is blinking and read the signals appearing on the display then following the instructions given in p 5 3 5 4 and 5 5 try to identify the type of fault found If the malfunction cannot be removed by following those instructions contact the service center or the installer power one WA hanging fe Shape of Power User Manual Page 68 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Before contacting the service center keep the following information handy INFO AURORA ics NOTE Information to be found directly on LCD AURORA model Serial number Week of production LED flashing Light blinking or steady Signal displayed Y v Y v Y v Malfunction short description Can malfunction be reproduced If so how Does malfunction appear periodically If so how frequently Is malfunction present from installation If so has 1t worsened Description of the atmospheric conditions when the malfunction appeared SESSE SA INFO on the wind generator v Make and model of the wind turbine and generator power one WA Changing Hie Shape of Power User Manual Page 69 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 8 TECHNICAL FEATURES 8 1 Input Val
34. last 365 days Val Money earned during the last 365 days CO2 CO2 saving compared to fossil fuels during the last 365 days 5 5 5 8 User period This feature measures energy saving during a period selected by the user Press ENTER from the User period screen to access the following submenu Start 23 June End 28 August Use the display keys to set the start and end date of the period as follows gt Use ENTER to move from one field to the next from left to right gt Use ESC to go back to the previous field from right to left gt Press ESC repeatedly to go back to the previous menus as described in sect 5 5 3 power one WA Changing Hie Shape of Power User Manual Page 51 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 To set days gt Press DOWN to scroll numbers backwards from 31 to 1 gt Press UP to scroll numbers from 1 to 31 To set the month gt Press DOWN to scroll months from December to January gt Press UP to scroll months from January to December If set dates are inconsistent the display alerts the user to the problem Select SETTING from the Main menu sect 5 5 4 to display the first screen which refers to the password Password KEKEKE Default password is 0000 It can be changed using the keys on display as usual Use ENTER to move from one figure to the next from left to right Use ESC to go back to the previous figure from right to left Press ESC repeatedly to go back to the previous me
35. minal voltage from 207 to 264Vac from 47 to 63 Hz 50 Hz from 47 to 50 5 Hz 13 Arms 14 5 Arms 16 Arms Page 70 of 74 Two channels in parallel Valore PVI 3 6 OUTD 3600 W from 180 to 264 Vac 230 Vac from 90 to 115 of nominal voltage from 207 to 264Vac from 47 to 63 Hz 50 Hz from 47 to 50 5 Hz 15 6 Arms 17 2 Arms 19 Arms power one M Changing Hie Shape of Power Valore PVI 4 2 OUTD 4200 W from 180 to 264 Vac 230 Vac from 90 to 115 0f nominal voltage from 207 to 264Vac from 47 to 63 Hz 50 Hz from 47 to 50 5 Hz 18 2 Arms 20 Arms 22 Arms User Manual PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 8 3 Grid protection characteristics Anti islanding protection 3 4 General characteristics Descrizione Maximum efficiency Internal consumption during standby Internal consumption during nighttime Operating ambient temperature Casing protection rating Audible noise with internal fan on Size height x width x depth Weight Relative Humidity Valore PVI 3 0 OUTD 96 8 96 EURO lt 8 W lt 2W from 25 C to 60 C IP65 Nema 4X lt 50 dbA Im 547 x 325 x 208mm 17 kg 0 100 condensing Page 71 of 74 Complies with G83 1 standard Valore PVI 3 6 OUTD 96 8 96 EURO lt 8 W lt 2W from 25 C to 60 C IP65 Nema 4X lt 50 dbA Im 547 x 325 x 20
36. mission In system with more than one inverter remote monitoring can be implemented through a sophisticated communication system based on an RS 485 serial interface A USB port is available in the inverter to facilitate access during installation An optional AURORA Easy Control system is also available for remote monitoring via the Internet analogue modem or GSM digital modem 2 3 Technical Description Figure 4 shows a block diagram of the AURORA inverter The main elements are the input DC DC converters further boosters and the output DC AC inverter Both the DC DC converters and the output inverter operate at high switching frequency to enable a compact design and relatively low weight Foe increased conversion efficiency the version of the AURORA inverter does not have a transformer therefore no galvanic isolation 1s provided between the input and output However the AURORA inverter 1s equipped with the necessary safety features to ensure safe operation in compliance with all applicable regulations without an isolation transformer Fig 4 AURORA inverter block diagram power one WA Changing fhe Shape of Power User Manual Page 15 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 The block diagram shows an AURORA PVI 3 0 3 6 4 2 OUTD with the two input DC DC converters in the Wind version the 2 converters are always connected in parallel Thanks to its high efficiency and excellent thermal design the AURORA inverter p
37. nergy the power required by the connected users is provided by the public power grid If the energy produced by the wind turbine exceeds the quantity required by the user s loads then extra power is directly fed to the grid becoming available to other users According to national and local standards and regulations the energy produced can be sold to the electrical utility or credited to the user against future consumption thus providing financial savings 2 1 Key elements of a wind energy system WIND TURBINE and GENERATOR Two elements are necessary in order to harvest the wind energy a wind turbine that will spin based on the wind speed and a generator The turbine forces the generator to rotate thus producing energy that can be exported to the grid The most common turbine design has a horizontal rotor with 2 or 3 vertical fiberglass blades forming the propeller which may have a fixed or a variable tilt The generator is fixed on the rotor Usually for the small wind system a synchronous permanent magnet generator is used The current generated by this type of generators has variable voltage and frequency depending on the turbine speed To be exported to the grid this needs to be 1s converted to current The conversion is done in 2 steps A The 3 phase AC voltage from the generator 1s filtered and converted to the DC voltage This conversion can be done inside the turbine or using an interface box between the genera
38. ng with terminals of the A and B type Just remove the waterproof plug located on AURORA side to make the connection see Fig 26 Fig 26 USB connection opening User Manual Page 66 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 6 3 Measurement Accuracy The following table shows measurement accuracy fro each value monitored and reported by the AURORA inverter Name Unit Resolution Accuraccy Display Value Input voltage PV N 1 VPI Vdc IV 600mV 2 Input voltage PV N 2 VP2 Vdc IV 600mV 2 Input current PV N 1 IP1 Adc 0 1A 25mA 2 Input current PV N 2 IP2 Adc 0 1A 25mA 2 ne POWER i Pinl w 1W 10W 2 ens pew Pin2 W IW 10W 2 Output voltage Vout IV 2 Output current lout A 0 1A 2 Output power Pout 1 W 2 Frequency Freq Hz 0 01 0 01 0 1 Accumulated energy Energy Wh 1Wh 4 Time counter Lifetime hh mm ss Is 0 2 Partial time counter ae hh mm ss Is 0 2 Time POWCT 0N6 M Changing Hie Shape of Power User Manual Page 67 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 7 TROUBLESHOOTING AURORA inverters comply with standards set for grid tied operation safety and electromagnetic compatibility Before being delivered the product has been successfully subjected to several tests to check operation protections performance and durability All these tests together with the system ensuring Power One quality guarantee optimal operation of the AURORA inverters In case of a possible malfunction of the
39. nnel The wind turbine need to be blocked with a mechanical brake prior to be connected to AURORA to make sure that there is no voltage on the cable that can result in a dangerous safety hazard GENERAL During inverter operation some parts can be powered some not insulated and in some cases some parts can move or rotate or some surfaces be hot Unauthorized removal of the necessary protections improper use wrong installation or wrong operation may lead to serious damage to people and objects Transport handling installation commissioning and maintenance must be performed by qualified and trained personnel all relevant accident prevention rules must be strictly observed According to these basic safety rules qualified and trained people must possess skills required for assembly start up and operation of the product and have necessary qualifications to perform such operations power one WA Changing Hie Shape of Power User Manual Page 5 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 ASSEMBLY Devices shall be assembled and cooled according to the specifications mentioned in the corresponding documents In particular during transportation and handling parts shall not be bent and or the insulation distances shall not be changed There should be no contact between electronic parts and connection terminals Electrical parts must not be mechanically damaged or destroyed potential health risk ELECTRICAL CONNECTION With
40. nus as described in sect 5 5 3 Press DOWN to scroll numbers backwards from 9 to 0 Press UP to scroll numbers from 0 to 9 5 5 6 Settings VV VV MV Type in the password and press ENTER to access information of this section y Address Display Set Service New Password Cash Time Language Vstart Autotest Alarm Remote Control UV Prot time Alarm Message power one WA Changing Hie Shape af Power User Manual Page 52 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 The display has 2 lines use the buttons on the side of the display to scroll through items or open the corresponding submenus as described in section 5 5 4 A FEW POINTERS ON DISPLAY DATA READING An arrow on left side of the display highlights your current selection When an item is selected press ENTER to open the submenu 5 5 6 1 Address This function is used to set addresses for communication with inverters connected in the system on RS 485 line You can assign numbers from 2 to 250 Press UP and DOWN to scroll through numbers If you do not want to manually set the address of each inverter select the AUTO function and they will be assigned automatically New Address New Address 248 Auto 5 5 6 2 Display set This function 1s used to set display features Light Contrast Buzzer 1 Light display backlight setting Mode Intensity Use the MODE submenu to set display backlight Select the Mode with the arrow and press ENTE
41. nverter and turns on the red LED on the front panel to indicate a ground fault condition The AURORA inverter is equipped with a terminal for the system grounding conductor see section 3 6 for more details NOTE For more details regarding the AURORA shutdown or possible causes of malfunction please refer to sections 5 3 and 5 4 2 43 Additional saftey features The AURORA inverter is equipped with additional protections to guarantee safe operation under any circumstances The protections include power one WA Changing fe Shape of Power User Manual Page 16 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 gt constant monitoring of the grid voltage to ensure that voltage and frequency remain within the specified limits gt automatic power limit based on internal temperature monitoring to avoid overheating heat sink temperature lt 70 C 158 F The redundancy of safety features implemented in the AURORA inverter guarantees completely safe operations under any conditions power one WA Changing fhe Shape of Power User Manual Page 17 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 3 1 INSTALLATION WARNING The electrical installation of AURORA must be performed in compliance with applicable local and national standards and laws WARNING The connection of AURORA to the electrical distribution grid must be performed only after receiving authorization from the utility that operates the grid Package Inspection
42. om display depressed for over 3 seconds to reset all counters in this submenu After 3 seconds a warning sound is repeated 3 times power one WA Changing Hie Shape of Power User Manual Page 49 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 5 3 Today Select Today to view the following information E tod Total energy output during the day Ppeak Peak power achieved during the day Val Money earned during the day CO2 CO2 saving compared to fossil fuels during the day 5 5 5 4 Last 7 days Select Last 7 days to view the following information E 7d Total energy output during the last 7 days Val Money earned during the last 7 days CO2 CO2 saving compared to fossil fuels during the last 7 days 5 5 5 5 Last Month Select Last Month to view the following information E mon Total energy output during the month Val Money earned during the month CO2 CO2 saving compared to fossil fuels during the month power one WA hanging fe Shape of Power User Manual Page 50 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 5 6 Last 30 Days Select Last 30 Days to view the following information E 30d Total energy output during the last 30 days Val Money earned during the last 30 days CO2 CO2 saving compared to fossil fuels during the last 30 days 5 5 5 7 Last 365 Days Select Last 365 Days to view the following information E 365d KWh Val EUR CO2 Kg E 365d Total energy output during the
43. on is indicated by a warning sound and the green LED staying permanently ON This means that wind energy is sufficient to export power to the grid e If the check routine gave a negative result the inverter will repeat the procedure until all grid voltage and frequency parameters and grid configuration are found to be in the specified range During this process the green LED will keep flashing power one WA Changing fe Shape of Power User Manual Page 32 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 MONITORING AND DATA TRANSMISSION 5 1 User s Interface Mode A WARNING The RS 485 cable must provide at least 600V insulation The AURORA inverter operates automatically and needs no particular supervision If the turbine speed is not enough to generate power for the grid the inverter disconnects automatically and goes into the standby mode The operating cycle is resumed automatically when the turbine speed and therefore the input voltage become high enough This 1s indicated by the LEDs The AURORA inverters can provide operational data in the following ways gt LED indicators gt Operational data on the LCD display gt Data transmission on a dedicated serial RS 485 line Data can be collected by a PC or a data logger equipped with an RS 485 port If an RS 485 line is used it may be convenient to use the AURORA RS 485 RS232 Serial Interface Converter model number PVI RS232485 An optional AURORA Easy Control data logger is
44. perature at which it occurs depend on many parameters other than ambient temperature such as input voltage grid voltage etc The AURORA inverters can thus decrease power output during certain periods of the day according to these parameters In any case the AURORA inverters deliver full output power up to 40 C ambient as long as they are not directly exposed to sunlight or other heat sources Power reduction due to input voltage The graph in Fig 27 shows automatic power output derating as a function of the input voltage o 100 EE oe User Manual Page 74 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Power W 6 000 p Voltage Derating Range DO DO s 2 S E D E 5 8 i OS w D oe D Q z 7 Q O S x O E oe c O a O Z Z Fig 27 Output power derating due to the input voltage Power derating due to environmental conditions and to the input voltage can occur at the same time In this case the available output power is determined as a lower of the two numbers power one WA Changing Hie Shape of Power
45. r itself or in case this 1s not possible the inverter will display all the necessary information to the person who will have to carry out the maintenance operations to fix the fault of the equipment or system See E strings 1n the table below power one WA hanging fe Shape of Power User Manual Page 40 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 code type e ARE va Input voltage under threshold when off Input UV W002 Input Undervoltage Input OV E002 Input Overvoltage Bulk OV E004 Bulk Overvoltage E006 E007 IGBT Sat WO1 Bulk Undervoltage Grid Fall W003 Grid Fail Wrong grid parameters poe M Eo Risolow logOny power one M Changing Hie Shape of Power User Manual Page 41 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Message Warning Error Description code type teror M 6028 __Forid Measures Faut int Error E029 Zgrid Measures Fault mene m Eoso leak Measures Fat IntError E031 WrongVMeasue ma EE E034 Interlock Fail Not Used po pos Es Remote E036 Vout Avg Average output voltage outside range a oe Clock Battery Low No disconnection PF WO13 Clock Failure No disconnection power one M Changing Hie Shape of Power User Manual Page 42 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 3 Display LCD 5 5 1 Connection of system to the grid The two line Liquid Crystal Display is located on the front panel and shows v Invert
46. rovides maximum power operation in a broad range of ambient temperatures The inverter is controlled by two independent DSPs Digital Signal Processors and one central microprocessor This way grid connection is controlled by two independent computers in full compliance with electrical power supply and safety regulations The AURORA operating system continuously communicates with all functional blocks and processes the data to ensure optimal performance as well as the highest possible efficiency under all wind speed and load conditions always in full compliance with the applicable directives standards and regulations 2 4 Safety Features 2 4 1 Anti Islanding When the local power distribution grid fails or when it is shut down for maintenance the AURORA inverter shall be disconnected from the grid to protect the people working on the grid and in full compliance with the applicable national standards and regulations To avoid any possible islanding operation the AURORA inverter is equipped with the automatic disconnection protective system called Anti Islanding The AURORA PVI 3 0 3 6 4 2 OUTD UK W models are equipped with a state of the art anti islanding protection system certified to the following standards and regulations gt G83 1 standard 2 4 2 Wind generator Ground Fault A sophisticated ground protection circuit continually monitors the ground insulation When a ground fault is detected this circuit shuts down the AURORA i
47. s around AURORA inverter power one WA hanging fe Shape of Power User Manual Page 20 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 4 Wall mounting AURORA should be mounted in a vertical position as shown in Fig 6 The package includes a hardware kit with three 6 3x70 steel screws and 3 SX10 wall anchors for installation of a metal bracket to a masonry wall Screws and wall anchors can be installed using 3 of the 5 holes available on the bracket reference part C in the pictures below WARNING Bracket shall be mounted vertically on wall spring side shall N face up while side with M6 PEM shall face down Since the wall can be made from different construction materials it 1s the installer s responsibility to provide suitable mounting hardware We recommend using stainless steel screws For concrete wall mounting the hole should be min 8 mm in diameter and min 70 mm deep Hang AURORA on the spring at the bracket top by means of the metal mount fastened to the upper part at inverter back The central part of this plate features a seat for fastening the spring see Part A in Fig 6 Once inverter top end is secured in place you need to secure its bottom end From inverter front use an M6x10 screw and washer to secure the unit to the bracket PEM starting with the center slot of the lower plate Part B in Fig 6 ad gt e amp lt Part B rone Changing the Shape of Power User Manual Page
48. selected the display shows During the test the display gives test progress indication If the test is passed depending on selected item the display shows V measured voltage T time necessary to take the measurement F measured frequency T time necessary to take the measurement If the test has failed the following will be displayed V measured voltage T time necessary to take the measurement F measured frequency T time necessary to take the measurement 5 5 6 10 Alarm The inverter features an alarm function that controls a relay which contacts are connected to the terminal block accessible through the front panel as shown in Fig 22 The NC and NO contacts can be used to activate external circuitry or a visual or audio alarm in case the inverter is disconnected from the grid no energy output or for any alarm event generated by the system power one M Changing fhe Shape of Power User Manual Page 56 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Fig 22 Alarm contacts terminal block This function can activate two alarm modes Press ENTER to open the relevant submenu Production Fault An arrow on the left side of the display highlights your current selection When an item is selected press ENTER to confirm activation of chosen mode PRODUCTION Relay is only activated when the inverter 1s connected to the grid contact closing across terminals N O and C FAULT triggers relay acti
49. t up during the grid monitoring routine If a correct grid voltage is detected and the input voltage is high enough to start up the inverter the LED stays on constantly Otherwise the LED keeps flashing until the wind turbine speed and therefore the input voltage becomes high enough to start up the inverter In this condition the display will read Waiting for Wind The yellow FAULT LED indicates that AURORA has detected a fault condition A fault description appears on the display The red GFT ground fault LED indicates that inverter has detected a ground fault in the wind turbine rectifier system DC side When this kind of fault is detected the AURORA inverter immediately disconnects from the grid and the corresponding fault message appears on the display The inverter remains in this condition until the operator presses the ESC button to re start the grid connection sequence If the inverter does not reconnect to the grid after pressing the ESC button then call service to troubleshoot the system power one WA Changing fe Shape of Power User Manual Page 36 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 3 F 7 y j eee ee Power ong Fig 18 LED locations Possible LED combinations and their meanings are listed below er one Changing the Shape of Power User Manual PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 KEY El LED on y LED blinking XX LED off Any one of the above
50. tant values of voltage step 4 and frequency step 5 are outside of the allowed range the following screens are shown alternately Next connections screen 3 Verid screen 4 Ferid screen 5 7 Instant value of isolation resistance 5 5 2 Error messages After the connection is established the inverter runs a test cycle If wrong data are found the cycle is interrupted and an error code is displayed Error codes and their meaning are shown in the table in section 5 4 To modify the message shown in the display see the procedure in section 5 5 6 15 Alarm Message Until the error is removed the following screens are shown alternately Type OUTD Custom msg EE Once the error has been removed the inverter resets all functions in progress and re starts the connection Sect 5 5 1 Connection of system to the grid item 2 Missing Grid Waiting Wind power one M Changing fhe Shape of Power User Manual Page 44 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 5 5 3 First phase electric parameter monitoring A FEW POINTERS ON DISPLAY KEY OPERATION During regular operation the display will cycle through available data The display shows a different screen every 5 seconds screens may be scrolled manually by pressing the UP and DOWN buttons next to the display Pressing the ESC key right next to the display calls back the previous menu 2 fi Fig 20 Far Fig 21 Auto scroll is indicated by 2
51. the inverter powered comply with all national regulations on accidents prevention Electrical connections shall be carried out in accordance with the applicable regulations such as conductor sections fuses PE connection etc OPERATION Systems with inverters shall be provided with further control and protective devices in compliance with the corresponding safety rules such as those relating to the compliance with technical equipment accident preventing regulations etc Any calibration change shall be made using the operational software Once the inverter has been disconnected from the power grid powered parts and electrical connections shall not be touched as some capacitors could be charged Comply with all corresponding marks and symbols present on each device During operation make sure that all covers and doors are closed MAINTENANCE AND SERVICE Comply with manufacturer s recommendations SAVE ALL DOCUMENTS IN A SAFE PLACE power one WA hanging fe Shape of Power User Manual Page 6 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 PVI 3 0 OUTD UK W PVI 3 6 OUTD UK W PVI 4 2 OUTD UK W This document applies to the above mentioned inverters only Fig 1 Name plate The name plate affixed to the inverter provides the following information 1 Manufacturing Part Number 2 Model Number 3 Serial Number 4 Week Year of Manufacture i Ad Changing the Shape of Power User Manual Page 7 of 74 PVI 3 0 3 6
52. ton on the left side of the display to move UP switch 2 and DOWN switch 3 the arrow and press ENTER switch 4 to select the desiderate function Once the menu ENABLE DISABLE is selected the following screen will appear It 1s possible to enable or disable the custom error message function in this screen yl Enable message Disabile message Select the line ENABLE MESSAGE and press ENTER the following screen will appear on the display Enable Disable c Compose message power one WA Changing fhe Shape of Power User Manual Page 58 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Select COMPOSE MESSAGE It is now possible to write the first line of the message The maximum number of characters 1s 16 Pressing Enter 17 times will allow entering the second line of the error message To write the message the same switches are used according to the following procedure gt ENTER switch 4 allow to move from one position to the other from the left to the right ESC switch 1 allow to go back to the previous position other from the right to the left pressing ESC several time is possible to go back to the previous menu as described on 5 5 3 UP switch 2 allow selecting the letter or number for each position from low to high DOWN switch 3 allows selecting the letter or number for each position from high to low Y VY MV WV power one WA Changing Hie Shape of Power User Manual Page 59 of 74 PVI
53. tor and the inverter power one WA Changing fe Shape of Power User Manual Page 12 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 B The resulting DC output is connected to the AURORA input and converted into AC power with the appropriate voltage and frequency to be exported to the grid Wind Turbine TTD Generator l Fig 2 Wind Turbine Generator WARNING The DC voltage input to the inverter shall not exceed 600Vdc for any reason in order to avoid damage to the equipment NOTE A minimum input voltage of 50Vdc is required for the AURORA inverter to start the grid connection sequence Once connected the AURORA inverter will transfer the maximum power available for any input DC voltage value in a SOV to 580Vdc range to the grid The total current of AURORA must also be within the capability limits of the inverter For PVI 4 2 model the limit is set at 32 Adc maximum while for PVI 3 0 3 6 models the limit is set at 20 Adc power one WA Changing fhe Shape of Power User Manual Page 13 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 PM Generator Inverter Wind Box Interface AURORA 2 wire DC bus 2 wire AC bus 3 poles AC i ol fof 2 poles disconnector is magnetic CB Diversion load resistor AC network Fig 3 Wind energy system diagram Changing the Shape of Power User Manual Page 14 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 2 2 Data monitoring and trans
54. ues WARNING The output voltage from the rectifier shall always be less than 600VDC WARNING Inverter is provided with a linear output power derating depending on the input voltage starting from 530 Vdc 100 output power to 580 Vdc 0 output power Valore Valore Valore Descrizione PVI 3 0 OUTD PVI 3 6 PVI 4 2 IT W OUTD IT W OUTD IT W MK secon 3500 W 4150 W 4820 W DC power input A ponei 3120 W 3750 W 4380 W input Nominal input 360 Vdc 360 Vdc 360 Vdc voltage Max input voltage 600 Vdc 600 Vdc 600 Vdc Input voltage from 50 Vdc to from 50 Vdc to from 50 Vdc to MPPT range 580 Vdc 580 Vdc 580 Vdc Input voltage full from 160 Vdc to from 120 Vdc to from 140 Vdc to power MPPT range 530 Vdc 530 Vdc 530 Vdc Short circuit current 25 Adc 40 Adc 40 Adc Mu ea ta 20 Ade 32 Adc 32 Ade current vy Sou Pd Ground fault detector and interruption provided protection power one WA Changing fe Shape of Power User Manual PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Input channels configuration 8 2 Output Value Descrizione Nominal output power Grid voltage maximum range Grid voltage nominal Grid voltage operating range as per regulation Grid frequency range Grid frequency nominal Grid frequency operating range as per regulation Nominal output current Maximum output current Output over current protection Valore PVI 3 0 OUTD 3000 W from 180 to 264 Vac 230 Vac from 90 to 115 of no
55. urora 2 Aurora 1 Aurora PVI RS232 485 RS485 to RS232 Canvender terminal block max length 1 000mt max inverter nodes 31 es Data Logger RS485 port ET EE EO Gr reer errr reer errr Ee errr rrr rrr rrr renee Recommended RS 485 cable type 2 las 2 LIYCY 2x2x0 5mm n 2 twisted Aer ser pairs shield e ET 2 Block Diagram RS 485 cabling Z RS 485 cable 1pair 1 conductor AURORA PVI 6000 OUTD shield EERERRREREEEEEEEEEEEEEEEREEREEEREEEEEEEEEEEREERE EER EEEEEEEEEEEREEREEREEEEEEEEEEEEREEREEREEEEEEE EE Fig 25 Daisy chain connection of multiple inverters Tr NOTE When using a RS 485 link there can be up to 64 inverters connected on the same link Choose any address between 2 and 64 ISS NOTE When using a RS 485 link in case one or more inverters are added later to the system always remember to switch back to the OFF position the switch S2 of the former last inverter of the system power one WA Chang ing the Shape of Power User Manual Page 65 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 6 2 Serial connection with USB port Serial connection through a USB port allows connection of a single inverter to a personal computer equipped with a USB 2 0 interface and dedicated software supplied by Power One PC inverter connection cable is a standard USB 2 0 cable 16 feet lo
56. vation contact closing across terminals N O and C only when an error signal occurs 1 e when grid is disconnected excluding Input Undervoltage 5 5 6 11 Remote control This function is used to disable the inverter s manual shutdown Operation is as follows set to ENABLE to activate manual ON OFF function set to DISABLE to disable manual ON OFF function so that the inverter will be automatically controlled only by the input voltage Remote ON OFF Remote ON OFF Enable Disable yer onle f Changing the Shape of Power User Manual Page 57 of 74 PVI 3 0 3 6 4 2 OUTD UK W Rev 2 0 Manual ON and OFF input is read on inverter digital input When set to OFF the display will cycle through the following screens Remote OFF 5 5 6 12 UV Prot time This function is used to set the inverter connection time after the input voltage drops below the undervoltage protection threshold that is set at 40V For example if UV Prot time is set at 60 seconds and Vin voltage drops below 40V at 9 00am the inverter will stays connected to the grid at 0 power until 9 01am Power One sets this time at 60 seconds The user can change this setting and set it from second to 3 600 seconds 5 5 6 13 Alarm Message Is possible to program the error message to be shown in the display using the following procedure Alarm message Press to access the following submenu Enable Disable Compose message Use the but

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