SECTION 1: INTRODUCTION
Contents
1. L U F_STAB VOLT SW 2ON 170 260 Vac Figure Figure 3 ADVR 053 5 EXT VR EXT VR U F_STAB VOLT U F_STAB VOLT ellelle 1000 OHM f gt z 1000 OHM SW 2ON 170 260 Vac SW 2 OFF 340 520 Vac Figure 4 Figure 5 20 200 OHM SWITCH AODE 001 aMOd 9 8 p 7 5 D pI R SW OEUF 5 5 S 1000 OHM ANN S EXT VR Yd BY el Tel Te g 1000 OHM U F_ STAB VOLT D EXT VR U F_ STAB VOLT Figure 6 With Aux Winding Figure 7 X Use only replacement fuses specified in this user manual X Appearance and specifications of products are subject to change for improvement without prior notice 6 ADVR 0532. Figure 3 Figure 5 properly connected Defective generator Please refer to generator service manual Blown Fuse Over excitation current incorrect wiring Reference from Figure 3 Figure 5 Low output voltage A C B C Terminal incorrect connection Reference from Figure 3 Figure 5 Defective VR or not properly connected Check connection and VR Under frequency Please refer to generator service manual Incorrect exciter specification Please refer to generator service manual AVR Incorrect voltage selected Please refer to section 4 DIP Switch setting Over output voltage A C terminals not properly connected or Reference from Figure 3 Figure 5 incorrectly connected AVR Incorrect voltage selected Please refer to section 4 DIP Switch setting Output voltage STAB 4 Stability incorrectly adjusted Please refer to section 6 Adjustment unstable Hunting ATTENTION 1 AVR can be mounted directly on the engine genset switchgear control panel or any position that will not affect operation For dimension reference please see Figure 2 2 All voltage readings are to be taken with an average reading voltmeter SECTION 10 FIGURE AND SIZE C AC Sensing B C Power 100 300V LOA avis 4 N o ie EXT VR SW O E UF 5 0 Unit mm
3. OWIREOSS Universal Hybrid Analog Digital Voltage Regulator Operation Manual Self Excited 5 Amp Analog Digital Voltage Regulator For shunt and auxiliary windings generators With over excitation and lost of sensing protection MRSS TRANS fey KUTAI ELECTRONICS INDUSTRY CO LTD Headquarters No 3 Lane 201 Chien Fu St Chyan Jenn Dist Kaohsiung TAIWAN Tel 886 7 8121771 Fax 886 7 8121775 URL http www kutai com tw SECTION 1 SUMMARY The ADVR 053 is an advance Hybrid Analog Digital Voltage Regulator design for general purpose isochronous stand alone applications The ADVR 053 uses an extremely reliable CPU Central Processing Unit in its design This eliminates complex analogue components and circuits that are inherently over sensitive to temperature anomalies as a result eliminating voltage instability and drift In addition we SECTION 2 SPECIFICATION Sensing Input Voltage 170 520 Vac 1 phase 2 wires Frequency 50 60 Hz DIP Switch selectable Power Input Voltage 100 300 Vac 1 phase 2 wires Output Voltage Max 63 Vdc power input 220 Vac Current Continuous 5A Intermittent 7A for 10 sec Resistance Min 150hms_ Max 100 ohms Fuse Spec 5x 20mm S505 5A 250V slow blow type External Voltage Adjustment Max 7 1K ohm 1 watt potentiometer Voltage Regulation Less than 0 5 with 4 engine governing Build Up Voltage 5 Vac residual volts at power
4. input terminal Soft Start Ramp Time 3 sec 10 EMI Suppression Internal electromagnetic interference filtering added over excitation and loss of sensing shutdown protections with matching U F O E LED indicator lights Consequently this AVR prevents the generator from excitation overload with its resulting exciter and regulator damage It is easy to install and flexible for use in both shunt type and generators with auxiliary windings Static Power Dissipation Max 8 watts Under Frequency Protection Factory Presets 50 Hz system presets knee point at 45 Hz 60 Hz system presets knee point at 55 Hz Over Excitation Protection Set point 78 Vdc 5 power input 220 Vac Time delay 5 secs This function can be turned off Voltage Thermal Drift Less than 3 at temperature range 40 to 70 C Environment Operation Temperature 40 to 70 C Storage Temperature 40 to 85 C Relative Humidity Max 95 Vibration 3 Gs 100 2K Hz Dimensions 107 0 L x 75 0 W x 48 5 H mm Weight 220 g 2 ADVR 053 SECTION 3 WIRING 3 1 Ato C Sensing Input 3 1 1 DIP SW 2 is switch ON voltage sensing range from 170 260 Vac See Figure 3 amp 4 3 1 2 DIP SW 2 is switch OFF voltage sensing range from 340 520 Vac See Figure 5 3 2 BtoC Power Input Power Input terminals from B to either C use 100 to 300 Vac shunt or auxiliary windings 3 3 Power Input Voltage Selection If genera
5. eedback time to improve voltage stability 6 3 U F Setting the under frequency knee point 6 3 1 DIP SW 1 set to ON set for 50 Hz operation 6 3 2 U F adjustment range at 50 Hz is from 40 50 Hz Factory preset 45 Hz 6 3 3 DIP SW 1 set on OFF set for 60 Hz operation 6 3 4 U F adjustment range at 60 Hz is from 50 60 Hz Factory preset 55 Hz ADVR 053 SECTION 7 STARTUP ADJUSTMENT 7 1 Voltage Adjustment VOLT Set VOLT and STAB full CCW Start generator and wait until it reaches rated frequency Slowly adjust VOLT CW to its rated voltage If you are using an external VR set it first to its center position before setting volts 7 2 Stability Adjustment STAB If the generator voltage oscillates back and forth adjust the STAB to steady the output voltage Over adjustment CW may give you large voltage swings when changing loads Use an analog type voltmeter when setting STAB Connect the voltmeter to terminals F and F and slowly adjust STAB for minimum needle movement when varying load 7 3 Under Frequency Adjustment U F To adjust the U F setting select working Hz using DIP SW 1 start the engine and adjust engine speed to either 55 Hz or 45 Hz slow adjust U F until the red U F LED turns ON Returning the engine speed back to normal turns the LED light off SECTION 8 FIELD FLASHING When the regulator is installed correctly but the generator is failed to generate power Besides carbon brushes w
6. ere worn out here are two possible causes below 8 1 The polarity of field is inverse Solution Exchange the connection of F and F 8 2 The residual voltage is less than 5 Vac Solution 1 8 2 1 Shut down generator disconnect the wiring between AVR and generator then flash the field Flashing duration 3 seconds See wiring in Figure 1 Resistor 3 5 ohms for full wave AVR Resistor 5 10 ohms for half wave AVR Warning Over field flashing may damage the field winding of generator 8 2 2 Restart generator and measure the residual voltage by AC Voltmeter if it is still less than 5 Vac repeat the previous process after several times the residual voltage still cannot be built Kutai EB500 is strongly recommended see Figure 1 F Field F R HSW J D a Figure 1 Manual Field Flash WARNING Overly field flashing may damage the AVR or generator excitation winding Please make sure you have read and understand the contents of the instruction manual prior to installation Incorrect wiring connection may result in irreversible damage to the product and other equipments ADVR 053 SECTION 9 TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSES SOLUTIONS Voltage does not Engine under speed Please refer to generator service manual build up Low residual voltage Please refer to section 8 Field Flashing B C F F Terminal connection not Reference from
7. h the U F adjustment sets the Knee Point frequency were this activation takes place This adjustment is already factory preset 5 1 3 When engine frequency falls under the Knee Point frequency setting the U F protection indication LED turn on However when the Generator frequency is higher than the Knee Point frequency the LED turns off 5 2 Over Excitation Protection 5 2 1 If you are using a standard AVR and you overload the generator or the sensing wires get disconnected on a auxiliary powered AVR the excitation voltage rapidly increase causing severe damage to the AVR or exciter The ADVR 053 has over excitation protection shutdown that cuts excitation at once 5 2 2 When over excitation protection is activated and the excitation voltage exceeds 78 5 Vdc 220V for over 5 seconds the AVR immediately shutdown the excitation output leaving only the residual voltage output and turning on the O E shutdown LED To reset the engine must come to a complete stop for at least 10 seconds and then restarted 5 2 3 If over excitation protection is disabled the warning LED indication turn on but the excitation output is not disconnected SECTION 6 ADJUSTMENT 6 1 VOLT Voltage Adjustment 6 1 1 DIP SW 2 switch ON input voltage 170 260 Vac 6 1 2 DIP SW 2 switch OFF input voltage 340 520 Vac 6 2 STAB Stability Adjustment 6 2 1 careful adjust the STAB Stability adjustment improves the AVR and generator f
8. tor rated voltage is 220 Vac Line to line phase voltage the power input B C and sensing input A C can be joined See Figure 4 or separately See Figure 3 3 4 F F Connect generator field wires 3 4 1 F and F are the positive and negative excitation output terminals 3 4 2 EXT VR is the connections for the external voltage adjustment Use a 1K ohm 1W rheostat when not in use keep terminals shorted xX Always use high quality connection wire AWG16 or 1 25mm 85 degrees C 600V to connection terminals A B C F and F SECTION 4 DIP SWITCH SETTING 4 1 SW 1 Frequency 4 1 1 DIP SW 1 switch ON for use in 50 Hz 4 1 2 DIP SW 1 switch OFF for use in 60 Hz 4 2 SW 2 Sensing Voltage Selection 4 2 1 DIP SW 2 switch ON input voltage 170 260 Vac 4 2 2 DIP SW 2 switch OFF input voltage 340 520 Vac 4 3 SW 3 Activate Over Excitation Protection 4 3 1 DIP SW 3 switch ON Over Excitation Protection Disabled If over excitation occurs the O E LED turns on but the ADVR will not shutdown and protect 4 3 2 DIP SW 3 switch OFF Over Excitation Protection activated If over excitation occurs the O E LED turns on and the ADVR will shutdown excitation SECTION 5 SYSTEM PROTECTION 5 1 Under Frequency Protection Roll off 5 1 1 To prevent over excitation if the generator runs at the wrong speed the ADVR activates the under frequency protection and decreases field excitation 5 1 2 Dip switch 1 together wit
Download Pdf Manuals
Related Search