DET NORSKE VERITAS. ApPROVAL FOR TEST AND DEMONSTRATION SWT Location for installation: Hammerholmen 50 X & 50 Y, 2650 Hvidovre

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1 II ~ ~ DET NORSKE VERITAS ApPROVAL FOR TEST AND DEMONSTRATION SWT Location for installation: Hammerholmen 50 X & 50 Y, 2650 Hvidovre C-DNV Certificate Dumber : Siemens Wind Power A/S Borupvej Brande Valid until: Date of issue This certificate attests compliance with DSIEN :2006 concerning the design and manufacture. The certification has been carried out according to Executive order no. 651 of26 June 2008, "Bekendlg,l,nels.e om teknisk godkendelsesordning for konstruktion, fremstilling, opstilling. vedligeholdelse og service afvindm'lller". Use of the installation is conditional upon no unauthorized changes being made to the wind turbine certified. Reference documents: Reference documents for approval: DNV Verification Report: See PD-6422J7-J2CJHXN-5 PD-6422 I 7-1 2CJHXN-5 Wind Turbine specification: IEC WTGS class: S. For further infonnalion see the Appendix of this Certificate. C ~- L Q-"~"-~, j mte Vestergaard 5 v~.. Date: 2009-tl-1O? Dale: 'OD ~~ fm) JS Management Representative Project Manager Det Nonke Veritas, Danmark AfS RJAC257 Det Nonke Verita:'!, Danmark AfS Tuborg Parkvej Hellerup Tuborg Parkvej 8, 2900 Hellerup DET NORSKE VERITAS, DANMARK AiS

2 DETNORSKE VERITAS DANMARKA/S C-DNV ApPROVAL FOR TEST AND DEMONSTRATION APPENDIX WIND TURBINE SPECIFICATION General: Wind turbine address: Wind Turbine No.2: Wind Turbine No.3: Wind turbine owner, Name: Address: IEC WT class: Rotor diameter: Rated power: Rated wind speed V r : Hub height(s): Operating wind speed range Vin-Voul: Design life time: Wind conditions: V"r(hub height): Vave (hub height): lrerat V h " ~ 15 mls Ref. IEC cd. 3: Mean flow inclination: Electrical network conditions: Normal supply voltage and range: Normal supply frequency and range: Voltage imbalance: Maximwn duration of electrical power network outages: Nwnber of annual electrical network outages: Hammerholmen 50 X, 2650 Hvidovre Hammerholmen 50 Y, 2650 Hvidovre Donge Energy AlS A C Meyers Vlenge Kobenhavn SV S 120m 3.6MW 12 mls 93.2m 4-25m1s 3 years 37.7 mls 8.58 mls 14 % (lec turbulenee elass B) 8' 690 V ±IO% 50 Hz ±1% 1% No limits when requirements in manuals are followed Maximum 1000 per year Other environmental conditions (where taken into account): Air density: Normal and extreme temperature ranges: Relative hwnidity: Solar radiation: Salinity: Design conditions for offshore installation: Ice loads Description of lightning proteetion system kg/m] Normal: -10 C to +35 C Extreme: -20 C to +45 C 100% 1000 W/m' Present Horizontal: 1.7 MN Vertical: 0.8 MN Designed acc. to IEC and IEC DET NORSKE VERITAS, DANMARK A/S CUITlFICATION CARRIED OUT Ir'i TI:CHNICAL COOPERATION WITH RIso NATlO~ALLABORATORY Page 2 of3

3 DET NORSKE VERITAS DANMARKNS C-DNV ApPROVAL FOR TEST AND DEMONSTRA non Maio components: Blade type: Gear box type: Generator type: Tower type: Serviee lift: Crane: Foundation: Siemens Wind Power, Winergy, PZAB 3541 ABB, AMB 560L4A BAYH Tubular steel tower SKY MAN TH250 Palfmger, PC 3300 compact Reinforced concrete gravity structure DET NORSKE VERITAS, DANMARK AlS CERTlrICATIOr-i CAIlRIED OUT IN TECHSIC-4l. COOPER.ATlOr-i wrrn RiS0 SAT10r-iAl. LABORATOR't Page 3 of3

4 DET NORsKE VERITAS [I Report for Siemens Wind Power A/S 5WT fur Avedcre MANAGING RISK _ ApPENDIX 1 WIND TURBINE SPECIFICATION General IEC WT class Rotor diameter Rated power Rated wind speed Vr Hub height(s) Operating wind speed range Vin-Vout Design life time Wind conditions Vrl:f V a...c ITef Mean flow inclination Other environmental conditions Air density Nonnal and extreme temperature ranges Relative humidity Solar radiation Salinity Design conditions for offshore installation: lee loads Deseription of lightning protection system S 120 m 3.6MW 12 mls 93.2m 4-25 mls 3 years 37.7 mls 8.58 mls 14 % (IEC turbulence etass B) 8' kg/m] Nonnal: Extreme: 100% 1000 W/m' Present _lode to +35 e _20 C to +45 C Horizontal: }.7 MN Vertical: 0.8 MN Designed aee. [0 lec and lec 613[2-1 DNV Reg No: PD !2CJHXN-S Rnisioll No: (l Dale Page 1-\

5 DET NORSK VERITAS Report for Siemens Wind Power AJS SWT-3.6-J20 for Avedm-e MANAGING RISK II _ Electrical network conditions Normal supply voltage and range 690 V ±IO% Nonnal supply frequency and range 50 Hz ±1% Voltage imbalance 1% Maximum duration ofelectrical power network No limits when requirements in manuals are outages followed Number of annual electrical network outages Maximum 1000 per year Rotor Cone angle Tilt angle Tip angle Blades Siemens Wind Power AiS B58-00 GRE Blade length 5&.5 m Air brake Full span pitching Pitch system HydrauliclElectrical unit Pitch hearing type Hub Main shaft Main bearing Front Rear Main gear Gear ratio Coolingllubrication system Hydraulic Fritz Schur Rothe Erde double row ball bearing, Cast spherical hub EN-GJS &U-LT Forged 34CrNiMo6 FAG FAG FAG Winergy PZAB : Separate cooler, pressure lubrication DNV Reg No: PD-64nI7 I2CJHXN-~ ReviSIOn No: 0 Date: Page 1-2

6 DET NORSKE VERITAS Repon for Siemens Wind Power A/S SWT 3.6-J 20 for Aved0Te MANAGING RISK!I _ Filter system Couplings Main shaft-main gear Main gear-generator Generator Nominal power Voltage Rpm Insulation class Protection class (ace. to IEC529) Machine foundation Yaw system Yaw bearing type Yaw drive type Yaw brake type Yaw speed Mechanical brakes Loeation Brake torque Protection system Description Tower(s) Height(s) Control system Inline and offline filters Sliiwe HSD Centalink CL 75 ABB AMB 560L4A BAYH 3600 kw 750 V 1600 rpm F IP 54 Cast & Welded EN-GJS U-LT & Steel Ball bearing with internal toothing 6 pcs Comer Industry PG-3504 PR gear, 6 pcs 5.5 kw motors, motor brake on two gears 8 pes Svendborg disc brakes 0.48 /sec Svendborg Brakes BSAK 3000 MS40S On high speed shaft, 1 caliper on each of 2 brake discs knm on low speed shaft 3 blades or 2 blades and mechanical brake Tubular tower Steel 87.8 m for 93.2 m hub height KK Electronic AlS DNV Reg No: PD C.lHXN-~ Revision No: 0 Date: Page 1-3

7 DETNoRSKE VERITAS Report for Siemens Wind Power AlS SWT-3.6-\20 fot Avedore MANAGING RISK II _ Crane KK WTC-3.0 Palfinger PC 3300 compact DNV Reg No PD-&42217 I2CJHXN-5 Revision No: 0 Dale: Page 1-4

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