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Hussennether, V., Rittiger, J., Barth, A., Worthington, D., Dell’Anna, G., Rapetti, M., Hühnerbein, B., Siebert, M., Projects BorWin2 and HelWin1 – Large Scale
Multilevel Voltage-Sourced Converter Technology for Bundling of Offshore Windpower, CIGRE Session 2012, Paris, paper reference
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type which is designed to be floated out to the installation site and then jacked up onto the submerged supporting structure using the support legs that are integral to the structure. The topside has a total weight of 12000 tonnes and measures 72.5 m x 51 m x 25 m high.
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has been chosen for most of the grid connections because the relatively long distance involved – both from the wind park to shore and from the shore to the nearest suitable connection point to the onshore grid - makes conventional alternating current transmission uneconomic.
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Each of the two 300 kV cables linking BorWin Beta to the onshore substation has a total length of 200 km, of which 125 km is sea cable and 75 km is underground land cable. The cables cross the small island of
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configuration. Each converter station is equipped with two, three-phase transformers, each rated at 590 MVA (offshore) and 585 MVA (onshore). Each converter valve is equipped with a dry-type valve reactor of 50 mH.
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The BorWin2 project was ordered in 2010. The platform was installed in April 2014. Commissioning was completed in
November 2014 and the project was handed over in January 2015.
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as the switching elements. One converter is provided at each end of the link with a DC voltage of ±300 kV and a transmission capacity of 800 MW. The converters, built by
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BorWin2 is part of an ambitious programme of providing grid connections to offshore wind parks off the coast of
Germany, in the
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project, despite having completed construction in 2009, was still not fully in service by that date).
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BorWin2 uses
Voltage Sourced Converters (VSC) to convert from AC to DC and back again, using 4.5 kV
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are used and the total cable length is 200 km. The project was completed by the
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The offshore converter is located on the BorWin Beta platform, which was built by
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Siemens
Completes Installation of Second HVDC Converter Platform for TenneT
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and, having reached the mainland, continue, as land cables, to the onshore
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Successful
Commissioning Of BorWin2 And HelWin1 HVDC Grid Connections
333:(using 6 MW Siemens gearless turbines) and Global Tech 1 wind parks.
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281:. The project differs from most HVDC systems in that one of the two
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TenneT’s First Major
Offshore Wind Grid Connection Operational
329:. BorWin2 has been built to transport power from the 400 MW
321:(Energy Transition) programme. BorWin2 forms part of the
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380 kV (onshore side); 155 kV (offshore side)
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30:The BorWin Beta platform being transported to site
669:Electric power transmission systems in Germany
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659:Electrical interconnectors in the North Sea
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297:consortium and handed over to its owner,
582:BorWin2 Grid Link Starts Trial Operation
550:Siemens snupper stor tysk offshore-ordre
679:Energy infrastructure completed in 2014
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405:at Diele. The cables were supplied by
584:, Offshore Wind.biz, 13 November 2014.
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149:BorWin2 - Diele Static Inverter Plant
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352:The land converter station at Diele.
539:Offshore Wind.biz, 3 February 2015.
325:, named after the German island of
285:is built on a platform in the sea.
629:Fact Sheet - BorWin2 HVDC Platform
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645:Compendium of all HVDC Projects.
596:, Realwire.com, 9 February 2015.
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167:Manufacturer of conductor/cable
674:2014 establishments in Germany
269:(HVDC) link built to transmit
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92:BorWin2 - BorWin Beta platform
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572:Press Release, 29 April 2014.
366:Modular Multi-Level Converter
461:High-voltage direct current
267:high voltage direct current
177:Manufacturer of substations
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388:of the platform is of the
287:Voltage-Sourced Converters
411:Cross-linked polyethylene
221:200 km (120 mi)
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317:, as part of the German
256:1 (symmetrical monopole)
162:Construction information
664:HVDC transmission lines
619:Description of project
609:Description of project
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625:website (in English).
417:Construction schedule
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195:Technical information
639:BorWin 2 HVDC system
615:website (in German).
370:symmetrical monopole
138:53.12500°N 7.30806°E
81:54.35500°N 6.02500°E
61:BorWin Beta platform
466:Offshore wind power
368:technology, in the
271:offshore wind power
133: /
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37:Map of HVDC BorWin2
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283:converter stations
203:subsea+underground
548:Eilers, Henrik. "
409:and use extruded
403:converter station
344:Technical aspects
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143:53.12500; 7.30806
86:54.35500; 6.02500
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506:HVDC SylWin1
501:HVDC HelWin2
496:HVDC HelWin1
491:HVDC DolWin3
486:HVDC DolWin2
481:HVDC DolWin1
476:HVDC BorWin3
471:HVDC BorWin1
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413:insulation.
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378:Nordic Yards
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319:Energiewende
315:German Bight
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303:HVDC BorWin1
263:HVDC BorWin2
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245:±300 kV
226:Power rating
218:Total length
19:HVDC BorWin2
229:800 MW
141: /
84: /
653:Categories
512:References
390:float-over
382:Warnemünde
364:, use the
275:power grid
242:DC voltage
234:AC voltage
147: (
90: (
68:54°21′18″N
399:Norderney
331:Veja Mate
128:7°18′29″E
125:53°7′30″N
109:North Sea
71:6°01′30″E
635:website.
425:See also
407:Prysmian
295:Prysmian
253:of poles
187:Expected
171:Prysmian
43:Location
633:Siemens
570:Siemens
527:B4-306.
386:topside
384:. The
362:Siemens
309:Context
291:Siemens
277:of the
273:to the
181:Siemens
52:Germany
48:Country
623:TenneT
613:TenneT
327:Borkum
299:TenneT
118:Diele
643:CIGRÉ
358:IGBTs
265:is a
337:HVDC
212:HVDC
200:Type
190:2015
58:From
621:on
611:on
380:in
251:No.
655::
641:,
631:,
568:,
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519:^
293:/
115:To
151:)
94:)
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