1

Anders V Rebsdorf, Lars Helle:
Variable speed wind turbine having a matrix converter.
Vestas Wind Systems R&D,
Finnegan Henderson Farabow Garrett & Dunner,
May 20, 2003:
US06566764
(139 worldwide citation)

A variable speed wind turbine is disclosed comprising a turbine rotor that drives a doubly-fed induction generator, a matrix converter which converts variable frequency output into constant frequency output, and a control unit and a protection circuit for the matrix converter. Power is circulated in ...

2

Anders V Rebsdorf, Lars Helle:
Variable speed wind turbine having a matrix converter.
Vestas Wind Systems,
Finnegan Henderson Farabow Garrett & Dunner,
February 15, 2005:
US06856038
(77 worldwide citation)

A variable speed wind turbine is disclosed comprising a turbine rotor that drives a doubly-fed induction generator, a matrix converter which converts variable frequency output into constant frequency output, and a control unit and a protection circuit for the matrix converter. Power is circulated in ...

3

Anders V Rebsdorf, Lars Helle:
Variable speed wind turbine having a matrix converter.
Finnegan Henderson Farabow Garrett & Dunner,
June 27, 2002:
US20020079706-A1

A variable speed wind turbine is disclosed comprising a turbine rotor that drives a doubly-fed induction generator, a matrix converter which converts variable frequency output into constant frequency output, and a control unit and a protection circuit for the matrix converter. Power is circulated in ...

4

Anders V Rebsdorf, Lars Helle:
Variable speed wind turbine having a matrix converter.
Vestas Wind Systems,
Finnegan Henderson Farabow Garrett & Dunner,
February 12, 2004:
US20040026929-A1
A variable speed wind turbine is disclosed comprising a turbine rotor that drives a doubly-fed induction generator, a matrix converter which converts variable frequency output into constant frequency output, and a control unit and a protection circuit for the matrix converter. Power is circulated in ...