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Class 1 Document no.: 0011-9181 V03 2010-11-29 General Specification V112–3.0 MW 50/60 Hz Vestas Wind Systems A/S · Alsvej
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    Vestas Wind Systems A/S · Alsvej 21 · 8940 Randers SV · Denmark · www.vestas.com Class 1 Document no.: 0011-9181 V03 2010-11-29 General Specification V112  – 3.0 MW 50/60 Hz : s ocument contans vauae conenta normaton o estas n ystems /. t s protecte y copyrgt aw as an unpuse wor. estas reserves a patent, copyrgt, trade secret, and other proprietary rights to it. The information in this document may not be used, reproduced, or disclosed except if and to the extent rights are expressly granted by Vestas in writing and subject to applicable conditions. Vestas disclaims all warranties except as expressly granted by written agreement and is not responsible for unauthorized uses, for which it may pursue legal remedies against responsible parties.  Document No: 0011-9181 V03 General Specification V112-3.0 MW Table of Contents   Date: 2010-11-29 Issued by: Technology R&D Class: 1 Type: T05  –  General Description Page 2 of 43 Vestas Wind Systems A/S · Alsvej 21 · 8940 Randers SV · Denmark · www.vestas.com Table of Contents 1   General Description ............................................................................................................. 5   2   Mechanical Design ............................................................................................................... 5   2.1   Rotor ...................................................................................................................................... 5   2.2   Blades .................................................................................................................................... 5   2.3   Blade Bearing ........................................................................................................................ 6   2.4   Pitch System .......................................................................................................................... 6   2.5   Hub ........................................................................................................................................ 6   2.6   Main Shaft ............................................................................................................................. 7   2.7   Main Bearing Housing ............................................................................................................ 7   2.8   Main Bearing .......................................................................................................................... 7   2.9   Gearbox ................................................................................................................................. 7   2.10   Generator Bearings ................................................................................................................ 8   2.11   High-Speed Shaft Coupling .................................................................................................... 8   2.12   Yaw System ........................................................................................................................... 8   2.13   Crane ..................................................................................................................................... 9   2.14   Towers ................................................................................................................................... 9   2.15   Nacelle Bedplate and Cover .................................................................................................. 9   2.16   Thermal Conditioning System .............................................................................................. 10   2.16.1   Generator and Converter Cooling ........................................................................................ 10   2.16.2   Gearbox and Hydraulic Cooling ........................................................................................... 10   2.16.3   Transformer Cooling ............................................................................................................ 11   2.16.4   Nacelle Cooling .................................................................................................................... 11   3   Electrical Design ................................................................................................................ 11   3.1   Generator ............................................................................................................................ 11   3.2   Converter ............................................................................................................................. 12   3.3   HV Transformer ................................................................................................................... 12   3.4   HV Cables ........................................................................................................................... 13   3.5   HV Switchgear ..................................................................................................................... 14   3.6    AUX System ........................................................................................................................ 14   3.7   Wind Sensors ...................................................................................................................... 14   3.8   VMP (Vestas Multi Processor) Controller ............................................................................. 15   3.9   Uninterruptible Power Supply (UPS) .................................................................................... 15   4   Turbine Protection Systems.............................................................................................. 16   4.1   Braking Concept .................................................................................................................. 16   4.2   Short Circuit Protections ...................................................................................................... 16   4.3   Overspeed Protection .......................................................................................................... 17   4.4   Lightning Protection of Blades, Nacelle, Hub and Tower ...................................................... 18   4.5   Earthing (also Known as Grounding) ................................................................................... 18   4.6   Corrosion Protection ............................................................................................................ 19   5   Safety .................................................................................................................................. 19   5.1    Access ................................................................................................................................. 19   5.2   Escape ................................................................................................................................. 19   5.3   Rooms/Working Areas ......................................................................................................... 20   5.4   Floors, Platforms, Standing and Working Places ................................................................. 20   5.5   Climbing Facilities ................................................................................................................ 20   5.6   Moving Parts, Guards and Blocking Devices ........................................................................ 20   5.7   Lights ................................................................................................................................... 20   5.8   Emergency Stop .................................................................................................................. 20   5.9   Power Disconnection ........................................................................................................... 20   5.10   Fire Protection/First Aid ....................................................................................................... 20   5.11   Warning Signs ..................................................................................................................... 21   5.12   Manuals and Warnings ........................................................................................................ 21    Document No: 0011-9181 V03 General Specification V112-3.0 MW Table of Contents   Date: 2010-11-29 Issued by: Technology R&D Class: 1 Type: T05  –  General Description Page 3 of 43 Vestas Wind Systems A/S · Alsvej 21 · 8940 Randers SV · Denmark · www.vestas.com 6   Environment ....................................................................................................................... 21   6.1   Chemicals ............................................................................................................................ 21   7   Approvals and Design Codes ........................................................................................... 21   7.1   Type Approvals .................................................................................................................... 21   7.2   Design Codes  –  Structural Design ....................................................................................... 21   7.3   Design Codes  –  Lightning Protection ................................................................................... 22   8   Colours ............................................................................................................................... 22   8.1   Nacelle Colour ..................................................................................................................... 22   8.2   Tower Colour ....................................................................................................................... 23   8.3   Blades Colour ...................................................................................................................... 23   9   Operational Envelope and Performance Guidelines ....................................................... 23   9.1   Climate and Site Conditions ................................................................................................. 23   9.1.1   Complex Terrain .................................................................................................................. 24   9.1.2    Altitude ................................................................................................................................. 24   9.1.3   Wind Power Plant Layout ..................................................................................................... 24   9.2   Operational Envelope  –  Temperature and Wind .................................................................. 24   9.3   Operational Envelope  –  Grid Connection ............................................................................. 25   9.4   Operational Envelope  –  Reactive Power Capability ............................................................. 26   9.5   Performance  –  Fault Ride Through ...................................................................................... 26   9.6   Performance  –  Reactive Current Contribution ...................................................................... 27   9.6.1   Symmetrical Reactive Current Contribution.......................................................................... 27   9.6.2    Asymmetrical Reactive Current Contribution ........................................................................ 28   9.7   Performance  –  Multiple Voltage Dips ................................................................................... 28   9.8   Performance  –  Active and Reactive Power Control .............................................................. 28   9.9   Performance  –  Voltage Control ............................................................................................ 29   9.10   Performance  –  Frequency Control ....................................................................................... 29   9.11   Own Consumption ............................................................................................................... 29   9.12   Operational Envelope  –  Conditions for Power Curve, Noise Levels, C t  Values (at Hub Height) ................................................................................................................................. 29   10   Drawings ............................................................................................................................ 30   10.1   Structural Design  –  Illustration of Outer Dimensions ............................................................ 30   10.2   Structural Design  –  Side View Drawing ................................................................................ 30   10.3   Structural Design  –  Centre of Gravity ................................................................................... 30   10.4   Structural Design  –  Tower Drawing (Example) ..................................................................... 30   10.5   Electrical Design  –  Main Wiring............................................................................................ 30   11   General Reservations, Notes and Disclaimers ................................................................ 31   12   Appendices ........................................................................................................................ 32   12.1   Mode 0 ................................................................................................................................. 32   12.1.1   Power Curves, Noise Mode 0 .............................................................................................. 32   12.1.2   C t  Values, Noise Mode 0 ...................................................................................................... 34   12.1.3   Noise Curve, Noise Mode 0 ................................................................................................. 35   12.2   Mode 1 ................................................................................................................................. 36   12.2.1   Power Curves, Noise Mode 1 .............................................................................................. 36   12.2.2   C t  Values, Noise Mode 1 ...................................................................................................... 38   12.2.3   Noise Curve, Noise Mode 1 ................................................................................................. 39   12.3   Mode 2 ................................................................................................................................. 40   12.3.1   Power Curves, Noise Mode 2 .............................................................................................. 40   12.3.2   C t  Values, Noise Mode 2 ...................................................................................................... 42   12.3.3   Noise Curve, Noise Mode 2 ................................................................................................. 43    Document No: 0011-9181 V03 General Specification V112-3.0 MW Table of Contents   Date: 2010-11-29 Issued by: Technology R&D Class: 1 Type: T05  –  General Description Page 4 of 43 Vestas Wind Systems A/S · Alsvej 21 · 8940 Randers SV · Denmark · www.vestas.com Buyer acknowledges that these general specifications are for B uyer’s informational purposes only, do not constitute an offer for sale and do not create or constitute a warranty, guarantee, promise, commitment, or other representation by supplier, all of which are disclaimed by supplier except to the extent expressly provided by supplier in writing elsewhere. Refer to section 11 General Reservations, Notes and Disclaimers, p. 31 for general reservations, notes, and disclaimers applicable to these general specifications.  
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