User manual data files meteorological mast NoordzeeWind
Contents
1. cb TOP VIEW NORTH WEST NORTH EAST ANEMOMETER MODEL OIB WINDVANE MODEL Ei WINDVANE MODEL 524 pm ANEMOMETER MODEL O18 SONIC ANEMOMETER MODEL WIND MASTER TEMF HUMIDITY SENSOR MODEL 26 A ANEMOMETER MODEL O18 WINDVANE MODEL S24 SOUTH User manual data files meteorological mast NoordzeeWind RO3 Page 12 Instruments at middle section of the met mast P alib aida 4 k T m P T NORTH TOWER i B2 TH ih NORTH EAST NORTH WEST Tor VIEW NORIH EAST TER MooeL OIB 2v Fn ee cy WINDVANE MODEL 326 X F A MANE MODEL 524 dh ar LA b Ma 2 y y e oo o ANEMOHETER MODEL O18 SONIC ANEMOMETER i sal yd cme MODEL WINDMASTER w by y Ng LIGHT MODEL LlOI I0 ZL S RAIN SENSOR MOREL 205 g x P Hn i j K F J O Rapi SENSOR MODEL 705 G m y LIGHT MODEL LlOI IO 24 EL TEHP HUMIDITY SENSOR i Mone 26 GA ANEMOMETER MODEL DIB r l c WINDVANE MODEL 526 SOUTH User manual data files meteorological mast NoordzeeWind RO3 Page 13 Instruments at lower section of the met mast 42m E 44 Fle 38m 33m 1 33 Ez d p lt f 216m T 20m it INI 15m Se gymod pnd iim o at bi nd NORTH F F it 1 CA I Ne L PLA TOP VIEW NORTH WEST MORTH EAST p ANEMOMETER MODEL OIB WINDVANE MODEL 52L lt WINDVANE MODEL 32b gi X j ar P NN bn m x T ena e td a Of ANEMOMETER MODEL QIB SONIC ANE2. A I m A y 5b Mn oe mw V fav id aa f Mf Y vF T ig d I E 3 WE I BE d l pp D BF v l M APT A W i A Z LY B G uA _ us i s Y ne S User manual data files meteorological mast NoordzeeWind Document code NZW 16 S 4 R03 Version 2 0 Date 1 October 2007 Author ing HJ Kouwenhoven User manual data files meteorological mast NoordzeeWind R03 Page 1 Contents NACE OGG Le a PEFAFWYR RY NON 3 IR ET Le F TT TN Um 3 Process Of dala nle e ieu ebe ETT 4 Description oT ihe data R ee toten a FFO tuam do FAU YR OR FF RN 4 Ui Of tala ESTYN FN RUDI A FI MR Pepe ATE UEM A 4 ries ORTIS AN 1 NET HED DOLOS SETTE 5 Contact details and duestloFiS ed aS e a NEU bt ars eU EUN RUD OE 5 Appendix T list OFNSUUMEN ceu I Di ter ti sae tut Dd E to e va iS Y YE A WU 6 Appendix 2 instrumentation drawing sese eee eee eee eee 11 Appendix 3 list of channels arid dala a de Et ce te Deere a UR a 16 APPENA 4 SING TAY OWN NR CA don 18 Appendix 5 positions of met mast and wind turbines esse sees eee 18 Appendix 5 positions of met mast and wind turbines sese sees eee eee 19 Appendix 6 distances between met mast and wind turbines suitable for wake Ineasuremelts sie euo te atras ut eee 20 User manual data files meteorological mast NoordzeeWind R03 Page 2 Introduction NoordzeeWind NZW is a 50 50 joint venture of Shell Wind E
3. C O96 780 58 58314 70 203 596555 727 5831954 788 395130 767 50325318 573 Pw MT LLI La aJ User manual data files meteorological mast NoordzeeWind R03 Page 19 Appendix 6 distances between met mast and wind turbines suitable for wake measurements Distance between Distance m Wind direction Met mast WT 9 916 340 Met mast WT 8 390 WT 8 WT 21 1189 Total distance 15 79 Met mast WT 19 WT 19 WT 33 Total distance Met mast WT 18 WT 218 WT 25 WI 25 WT 31 Total distance Met mast WT 7 WI Z WT 17 WT 217 WT 24 Total distance Undisturbed User manual data files meteorological mast NoordzeeWind RO3 Page 20
4. operation and 3 analogue inputs The WindMaster Pro has speed of sound output as standard and user selectable output rate up to 10Hz Eight single ended or four differential analogue input channels are available to provide the ability to synchronise analogue signals with wind data APPLICATIONS Meteorological Transport Building research Tunnels Marine Military Aviation User manual data files meteorological mast NoordzeeWind R03 E Anemometer WindMaster FEATURES NMEA output format Self diagnostics Free communications software WindMaster 1 or 4 outputs sec user selectable 3 analogue inputs 4 analogue outputs RS422 output WindMaster Pro 1 2 4 5 8 or 10 outputs sec user selectable Speed of sound output Full and half duplex RS422 output Low power Analogue inputs Page 9 INSTRUMENTS WindMaster P j O 7 b 1 i K Y IIT User manual data files meteorological mast NoordzeeWind R03 ll 3 Axis Ultrasonic Meteorological Anemometer SPECIFICATION Measurement Ultrasonic sampling rate Parameters Units Averaging Windspeed Range Accuracy Resolution Offset Direction Range Accuracy Resolution Power requirement Anemometer only Digital Output Communication Baud rates Output rates Formats Analogue Outputs Quantity Scale Type Frequency response Impedance Analogue Inputs Quantity Type Resolution S
5. calibration certificate with a validity of 1 year is available on request 2 years 5 years on the KNMI cup assembly User manual data files meteorological mast NoordzeeWind R03 Page 8 Gill Ultrasonic wind meter INSTRUMENTS lll 3 Axis Ultrasonic Meteorological High reliability zero maintenance decreased down time and service costs Software configurable reduces set up and installation time 8 measurement modes flexible and easy to use From the world leader Gill Instruments Ltd the WindMaster range of speed and direction sensors provide the best solution on the market for serious 3 axis wind measurement With a simplified mounting arrangement and fully software configurable operation both the WindMaster and WindMaster Pro are ideal for the measurement of wind turbulence and wind loading The anemometers can be driven by the users own software a commercial communications package or via WindCom a communications package developed by Gill and supplied free of charge with every WindMaster This allows the user to operate the anemometers in various modes enabling the measurements of U V and W vectors or wind speed plus direction and W in NMEA configuration Communication is via a RS422 bi directional link which allows up to 26 units to be networked and data to be logged on demand polled The WindMaster has 4 analogue outputs which can be configured to allow 1 5V 2 5V or 4 20mA
6. devices also ensures fast response These features allow a response lenght of 2 9 metres The anemometer Is able to measure wind speeds from 0 5 to 50 m s The instrument is protected against inductive inter ference in accordance with prevailing international standards The sensor should be installed at a location which permits free wind access Meteorological advice regarding suitable locations can be obtained from Mieri Meteo Performance Specifications Operating range 0 50 m s Resolution 0 06 m wind run Response length 2 9m Average gradient 0 062 m pulse Standard Deviation 0 0004 m pulse Starting speed lt 0 5 m s Maximum wind load Cup assembly tested up to 75 m s Physical specifications Dimensions 330 x 225 mm housing mm Weight 41kg Material Housing Anodized aluminium Operating temperature Static discharge Watertightness Installation Installation Cups Glass fibre reinforced 25 60 C The instrument is protected against outside inductive interference up to a discharge power of 1500Watt IP 65 Vertically free standing Mounting 5 pole KNMI instrument plug Connection 5 pole KNMI instrument plug Electrical specifications supply voltage 18 30VDC Power consumption 25 mA Output signal Output impedance General Calibration certificate Guarantee Maintenance Digital differential 8V 400 Ohm 10nF At 1 to 2 year intervals depending on local conditions A
7. selection The first six columns of each data file are used for the time stamp based on UTC These columns are followed by the section that is containing the actual data Each measured parameter is using five columns in the data files and the lay out of the data is identical for each parameter channel number maximum value minimum value average value and standard deviation And so on All data are receiving a time stamp comprising of year month day hour 10 minute block The seconds value is present in the data files as well but for obvious reasons this value has no meaning The files are labeled systematic OWEZ_M_181_YYYYMMDD YYYYMMDD xls In general each data file is containing data of one calendar month the actual period is specified in the name of the file Quality of data All sensors are calibrated according to MEASNET General accuracy of wind data that is not influenced by the wake of the mast itself is better than 95 For scientific users of the data only the actual calibration certificates are available at NoordzeeWind upon request Before the data is made available on the internet guality checks have been carried out Calibration factors of the instruments are applied on the data Wind direction data are corrected where appropriate to secure values between 0 and 360 degrees Corrupt and or missing data fields are marked by replacing those invalid data by error values 999999 User manual data files meteorolog
8. 01m s 750mm x 240rnm 1kg IP65 40 C to 60 C 5 to 100 RH Operation maintained to 300rnrr Hr BS EN 50081 1 1992 Ernissions class B BS EN 50082 1 1992 Imrrunity FCC class A FCC class A Suitable for exposure to a Suitable for exposure to a marine environment marine environment DISTRIBUTOR incidence 410 to the horizontal in unobstructed air with respect to the anemorneter The SOLENT range is in continuous development and so specifications may be subject to change without prior notice Gill Instruments Ltd 2003 GILL INSTRUMENTS LIMITED Saltmarsh Park 67 Gosport Street Lymington Hampshire 041 9EG UK Tel 44 1590 613500 Fax 44 1590 613555 E mail anem amp gill co uk Website www gill co uk PBOO1501 Page 10 Appendix 2 instrumentation drawings Overview Tl Lu T Ld HU mare 9 Eg HB FB Na Ma MM AF BAL ER nniii TA DAW ANUS Yah RAN AE A DR Taba a5 E d L Ll SS n D p nr 7 oa TS E 5 ssi s ma i E TR 20 TR e e oed amp 9 a ae ae eee E ee ps CL 1 li i S m STIS FN i n pl Jr e E 13 ei gm 2 i t g i Hi eg ag TI m au o EU POPPE girang FOU UGEN DNAT NL HN a K Note position numbers 28 until 42 except pos 32 and 44 are for auxiliaries and not used for measurements User manual data files meteorological mast NoordzeeWind RO3 Page 11 Instruments at top section of the met mast 116 m
9. I Red single wake measurements Green double wake measurements Blue multiple wake measurements Orange undisturbed wind directions User manual data files meteorological mast NoordzeeWind R03 Page 18 Appendix 5 positions of met mast and wind turbines UTM31 ED50 WGS 84 PILENUMBER X Y as Ae I ln miu DL GON TF PP ee R E 2 ss Bsozus aroman s2 a ms a 25 w2 a ECCE azana 5z as isi a z 5 24 5 ee 52 n YO m ma 6 5wasd 5829000265 52 s 29 4 n B3 B 5301672 3829975392 EE 50 4 B 28 9 sonavepas 5 36 mo 4 B 6 amp 7 6 niai 5828410 M9 52 35 426 amp m 5i EU fa s __ 5829667506 5 as n 2 m a aaa a 52 s 399 ia m E EENESE U I 5z a 59 Ea FAE EI 23 598011001 5828548830 52 35 46 E E EH T BE H 2 a an FESE 25 mew sB3032042 52 as 449 35 3 amp Lyc EE a DE I aac FAE 24 a S R LE T C Wie ee S ETE ET T Pe Lr 41 n3 Pa I F x PLU LT1 A d j pe LLJ Ln gn om 1 co m T ha ma m LL F gt m En L1 Lr E m F MM uu 2 P I Ur c UT ELI m cu gu M L1 Ln LLl amp c h P L1 ma m Ff e m3 Ln e LLJ f Pa E o IW lG J OO ca lJ I un m ail 26 40 28 9 PE P m DUN
10. MOMETER d anaa aeeer MODEL WINDFLASTER N EA yd s F E x i i rd EN EM A ri i ie ch ff U i TEMP HUMIDITY SENSOR MuonEL 26l Cu AMEMOMETER MODEL O18 1 c WINDVANE MODEL oL SOUTH User manual data files meteorological mast NoordzeeWind RO3 Page 14 Instruments at under water section of the met mast 3 8 mM WATER TEMPERATURE SENSOR V ELEM A J Ti Let ACOUSTIC DOPPLER CURRENT PROFILER RLER l l2 T H 125 CA 5 METER User manual data files meteorological mast NoordzeeWind RO3 Page 15 5 8 METER MSL 7 METER MSL 8 METER MSL Appendix 3 list of channels and data Overview of data base channels and instruments 0 3DWM4NW21 winddirection 1 S3DWMANWA horizontal wind speed m s 2 SDWMANW2 vertical wind speed m s 8 3DWM4NWA116 winddirection 4 SDWM4NWA16 horizontal wind speed m s 5 S3DWMANWA16 vertical wind speed m s 6 3DWM4NW70 winddirecion 8 SDWMANW 7O0 vertical wind speed m s 9 WSOIS NW 16 wind speed m s Y west east acceleration m s2 GO 1 E lG iM User manual data files meteorological mast NoordzeeWind R03 Page 16 Overview of data base channels and instruments Note Channel numbers are referring to the data files User manual data files meteorological mast NoordzeeWind RO3 Page 17 Appendix 4 site lay out A
11. ical mast NoordzeeWind RO3 Page 4 Validity of this manual This version of the manual is suitable for data files from July August 2005 and further It supersedes version 1 1 dated 8 June 2006 and is valid until a new version will be issued and made available on the internet Contact details and questions Questions about this user manual or the data files can be addressed by sending an E mail to Questions about the user manual can only be answered if the version of the user manual see title sheet is specified In case of questions about data file s please include the name of the file s the channel numbers of the instruments See appendix 3 if applicable to the question the measuring period and the month of the data file Disclaimer This manual has been prepared by NoordzeeWind Investor I B V NZWBV No representation or warranty is provided by NZWBV in respect of the completeness or accuracy of the information contained herein or in respect of the accuracy of the wind met mast data made available on this website NZWBV reserves the right to change the lay out and or content of the data files and accepts no liability whatsoever in respect of the use of this manual or the wind met mast data User manual data files meteorological mast NoordzeeWind R03 Page 5 Appendix 1 list of instruments Position Location at Height meters TET Instrument make and Instrument drawing above MSL type code 4 Neer Wind directi
12. nergy and Nuon Duurzame Energie The company has entered an EPC contract with BCE a consortium of Ballast Nedam and Vestas to install a wind farm off the Dutch coast near Egmond aan Zee in 2006 The project comprises 36 Vestas V90 wind turbines and associated support systems in the Dutch territorial waters of the North Sea between 10 and 18km off the coast Each turbine has a steel monopile foundation piled to a depth of about 30m and a transition piece connected to the monopile via a grouted joint Hub height ls _ is 70 meters above Mean Sea level P uum s UE MSL The produced power will be Wu Lo SES N transmitted through three 34kV cables to UN POE ON SS xm 5 shore which land north of IJmuiden TONNES Jr harbour In a substation located near Se le mee hl haa NIS al Wijk aan Zee the voltage is stepped up pus from 34kV to 150kV and the power is FR transported to the public grid by means e R wl k E Poa B mi v of a 150kV underground cable Operations of the wind farm commenced T on 1 January 2007 Atthe site of the Offshore Wind farm Egmond aan Zee OWEZ a met mast was erected in 2003 capable of measuring the actual weather and wave conditions The data gathered is logged into two data loggers and are subsequently sent to the shore by I means of a GSM connection s A cable connection between the met mast and the wind farm provides power DW JI Gr
13. on vane Mien Meteo 524 WD SIANEL 5 NE21 pu anemometer Mieri Meteo 018 WS 018 NE 21 8 nwa Sonic windmeter Gil1088M SDWMAINWII 9 smo Winddrecionvane MierjMeteo524 WD 524 8170 25 nwme Cup anemometer Mieri Meteo 018 WS 018NW 116 26 NWii6 Sonic windmeter Gil1088M 9DWMAINW I16 er ue Reemaiensenes Seka BB ACSBATIS Air Airpresue Druck RPT 410V RPT 410V DP910 PEE Va ond Mierij Meteo Pt100 ST 808 NW 3 8 ensor Acoustic Doppler Current Profiler Nortek as AWAC ADCP Note position numbers 28 until 42 except pos 32 are for auxiliaries and not used for instruments Refer to appendix 2 for a drawing of the positions of the instruments on the meteo mast User manual data files meteorological mast NoordzeeWind R03 Page 6 Wind direction vane KNMI Wind vane Model 524 C Previous page The overshoot ratio of the model 524 Mier Meteo wind vane is low This ratio depends on the moment of force the friction and the moment of inertia The lightweight materials the relatively high blade the contactless determination of the blade position and the excellent counterbalancing of the vane assembly help to minimize this ratio Being well balanced Mierij Meteo wind vane does not have any preferred position The wind vane has a range of U to 360 degrees As the instrument can identify 256 directions its resolution is 1 47 The wind vane Is protected against inductive in
14. peed of Sound Range Accuracy Resolution Dimensions Size Weight Environmental Moisture protection Operating temperature Humidity Precipitation EMC General Accuracy specification applies between 5 C and 35 C and wind WindMaster 39 sec UVW Polar NMEA Tunnel m s Knots MPH KPH 3 sec 5 sec 10 sec O 60rr s 0 134 mph 1 596RMS O 20rr s 0 01 m s 20 01 m s 0 359 lt 25mn s 2 1e 9 30Vdc at 150m A max R5422 full duplex network up to 26 anemometers 1200 2400 4800 9600 19200 38400 1 or 4 outputs sec 8 data odd even or no parity 4 Multiples of 10m s up to 70m s x2 5V 5V or 4 20mA O 5Hz 1 output sec 2Hz 4 outputs sec 470 Ohms 3 2 5V to SV 11 bits over SV n a n a n a 750mm x 240mm 1kg IP65 40 C to 60 C 5 to 100 RH Operation maintained to 300rnrn Hr BS EN 50081 1 1992 Ernissions class B BS EN 50082 1 1992 Immunity WindMaster Pro 39 sec UVW Polar NMEA m s Knots MPH KPH 3 sec 5 sec 10 sec O 60rr s O 134 mph 1 596RMS O 20rr s 0 01 m s 0 01 m s Q 359 lt 25mm s 2 a 9 30V dc at 60mA average at 12Vdc RS422 full duplex network up to 26 anemometers 300 1200 2400 4800 9600 19200 38400 1 2 4 5 8or 10 outputs sec 7 or 8 data odd even or no parity n a n a n a n a wa 8 single ended or 4 differential 5V to 5V 14 bits over 5V 300 to 370rr s 20rm s 396RMS O
15. r i iw and data transport capacity To achieve sufficient stability for the instruments the met mast is constructed as a triangular lattice tower mounted on a monopile foundation driven in the sea bed The distance between the instruments and the body of the met mast is sufficient to limit the inaccuracy of wind speed measurements to 5 except wake effects Instrumentation The site of the met mast is in WGS 84 coordinates 52 36 22 9 N 4 23 22 7 E in UTM31 ED 50 coordinates X 594194 830 Y 5829600 084 at the south western side of the wind farm indicated on the map as a little black star in the red circle Please refer to appendices 4 and 5 for a detailed site lay out and coordinates Instruments are installed at three levels 70 meters above mean sea level which equals hub height of the wind turbines at 21 6 m and at 116m The latter two heights are enabling determination of the wind speed profile over the entire rotor diameter of 90 meters At each level wind speed and wind direction are measured at three booms situated at 300 NW 60 NE and at 180 S respectively As North is 0 the south boom is directed pure south By using three booms per measurement level wind flows that are disturbed by the wake of the mast can be filtered out while undisturbed wind speed and wind direction data can be derived from one of the other booms As can be seen from appendix 4 the chosen position of the met mast is enabling m
16. terference in accordance with prevailing international standards The sensor can easily be connected to peripheral equipment which is also available from Mieri Meteo Performance Specifications Physical specifications Installation Electrical specifications General Operating range Resolution Code disc error Dimensions Weight Material Operating temperature Static discharge Watertightness Installation Mounting Connection Supply voltage Power consumption Output signal Output impedance Maintenance Calibration certificate Guarantee 0 380 1 4 0 3 maximum 710 x 625 mm housing 70mm 2 2kg Anodized aluminium 29 D C The instrument is protected against outside inductive interference up to a discharge power of 1500Watt IP 65 Vertically free standing 5 pole KNMI instrument plug 5 pole KNMI instrument plug 18 30VDC 80 mA Digital differential 400 Ohm 10nF At to 2 year intervals depending on local conditions A calibration certificate with a validity of 1 year Is available on request 2 years User manual data files meteorological mast NoordzeeWind R03 Page 7 Cup Anemometer KNMI Anemometer Model 018 C Previous page This rotary anemometer has three cups which are mounted on a freely rotating axis The low weight and the special design of the cups enable the anemometer to respond quickly to changing wind speeds The absence of contacting
17. ultiple wake measurements as well User manual data files meteorological mast NoordzeeWind RO3 Page 3 At each level the wind speed is measured by cup anemometers and by an acoustic 3D sonic brand Gill instrument The acoustic instrument is capable of measuring detailed horizontal and vertical wind speed and direction variations Additional instruments like rain sensors temperature sensors air pressure and an Acoustic Doppler Current Profiler ADCP are installed as well The complete list of instruments and specifications of the most important instruments is added as appendix 1 A drawing showing where the instruments are placed on the met mast is attached as appendix 2 Process of data handling The instruments in the met mast are delivering their signals to a data acquisition system in the met mast comprising of two data loggers working in parallel to create redundancy Each instrument is delivering its output signal to both loggers Before storage the data are converted to 10 minute average values On a daily basis the supplier of the system reads the data by use of the glass fibre network in the wind farm After a guality check by the supplier the data are sent on a monthly basis to the data acquisition system of ECN in Petten Description of the data files Each sensor signal has a unigue channel number in the database see appendix 3 This channel number combined with the systematic lay out of the database will enable easy data
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