Hvdc Borwin by Abb

© ABB Group September 08 Slide 1

BorWin 1 The Worlds First 400 MW HVDC Light® connection for wind power BWEA 31 21 October 2009

Peter Jones Head of Technology ABB peter.r.jones@gb.abb.com

© ABB Group September 08 Slide 2

The Project

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75 km land cable

125 km sea cable

400 MW Offshore converter

400 MW converter

First HVDC Wind Power Connector

Contract Sep 2007 Completion Nov 2009

BorWin 1, 400 MW HVDC Light

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BorWin 1 Project

Customer   transpower offshore gmbh (former E.ON Netz Offshore GmbH, Germany)

Scope   400 MW HVDC Light® system off-shore

station on platform with sub-sea structure   Onshore station at E.ON substation Diele   Telecommunication   Control and protection

Cables   DC cable submarine (2x125km)   DC cable on land (2x75km)   Fibre optic cable (200 km)

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The Platform

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Jacket Piles

Crane

Transformers

Helipad

J-Tubes

Topside

BorWin 1 Overview of platform layout

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BorWin 1

 Topside weight approx 3200 t

 Size approx 50 x 33,5 x 22 m

  Jacket weight 1700 t

 Height 62 m

 Sea level to topside 20 m

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BorWin 1

 Topside and jacket verified, witnessed and approved by Germanische Lloyd according to the German rules & regulations

 Permits for the platform has to be obtained from BSH before start of installation & operation

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BorWin 1 – Fabrication at Heerema, Vlissingen, Deck elevation east February 2009

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BorWin 1 – Fabrication at Heerema, Vlissingen, Jacket structure roll-up April 2009

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BorWin 1 – Fabrication at Heerema, Vlissingen, Topside roll out May 4, 2009

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BorWin 1, 400 MW HVDC Light

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BorWin 1 Jacket in place

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BorWin 1 Jacket installation

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BorWin 1 Various weather at BorWin Alpha site

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BorWin 1 Platform in Place

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BorWin 1 Top deck from helicopter August 2009

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BorWin 1 Installation of additional cables September 2009

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The Onshore HVDC Converter

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Diele - Onshore site Diele – Onshore HVDC Light station

Cooling Units

Reactors Valves

Chopper

AC Filter Yard

DC Filter Yard

Power Transformer

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Diele - Onshore site Earth work early September 2008

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Diele - Onshore site Converter building January 2009

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Diele - Onshore site Installation of valve and control enclosures April 2009

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Diele - Onshore site Transformer transport

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Diele - Onshore site Chopper resistors

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Diele - Onshore site Overview of substation

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Onshore and Offshore Cable

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BorWin 1 HVDC Light cable

  121 km sea cable (1200 mm2 Cu)

  8,4 km Wadden Sea, Norderney and Ems (1600 mm2 Cu)

  73,6 km land cable (2300 mm2 Al)

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BorWin 1 Cable – 125km Offshore route

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BorWin 1 Cable – Part of submarine cable Waiting for installation March 2009

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BorWin 1 Cable – Team Oman – installation vessel for submarine cables

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BorWin 1 Waiting for the Weather

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BorWin 1 Cable – Onshore route

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© ABB Group September 08 | Slide 34

Cable pieces   Approx. 750 m cable

per drum   Approx. weight 10 t

per drum Standard

150

cm

Cable - protection

BorWin 1 Cable – Installation of land cable

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BorWin 1

Cable – Installation LK Aurich Excavating trenches: summer 2008

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BorWin 1 Cable – Installation LK Aurich Installation of land cable: summer 2008

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BorWin 1

Cable – Installation LK Aurich Cable jointing cubicle: summer 2008

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BorWin 1 Cable – Installation LK Aurich Cable jointing: summer 2008

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BorWin 1

Cable – Installation Drilling rig for river Ems crossing: autumn 2008

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BorWin 1

Cable – Installation Welded steel pipes for river Ems Crossing: autumn 2008

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BorWin 1 Cable – Trenching equipment Excalibur

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BorWin 1 Cable – Installation at Wadden Sea

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BorWin 1 Cable – Installation at Wadden Sea

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BorWin 1 Cable – Installation at Wadden Sea

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BorWin 1 Cable – Installation at Wadden Sea

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BorWin 1 Cable – Installation at Wadden Sea

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