Wind mill power flow control with dump load and power converter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8436490
APP PUB NO 20100292852A1
SERIAL NO

11991326

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wind mill apparatus for generating electric power to a grid point of an electric network. The apparatus includes a wind rotor, an electric generator operatively connected to the wind rotor, and an electric multiphase ac link operatively connecting the generator to the grid point. The ac link includes a first current path including a switchgear, a second current path including a dc link including a first converter operatively connected to the generator, a second converter operatively connected to the grid point, and a capacitor operatively connected between the conductors of the dc link. The ac link further includes a connectable multiphase dump load for blocking during a fault condition on the network the reactive power flow in the ac link, yet providing a reduced transfer of active power.

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Patent Owner(s)

Patent OwnerAddress
ABB POWER GRIDS SWITZERLAND AGBRUGGERSTRASSE 72 BADEN 5400

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christensen, Hans Christian Copenhagen, DK 3 73
Gertmar, Lars Västerås, SE 25 515
Nielsen, Erik Kolby Odense, DK 1 33
Niiranen, Jouko Helsinki, FI 6 65
Thorburn-Johansson, Stefan Västerås, SE 1 33
Wraee, Leif-Erik Tommerup, DK 1 12

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