1
Lorenz Feddersen, Eckardt Siebenthaler, Björn Andresen: Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control. Vestas Wind Systems, Finnegan Henderson Farabow Garrett & Dunner L, March 21, 2006: US07015595 (64 worldwide citation)

A variable speed wind turbine having a passive grid side rectifier using scalar power control and dependent pitch control is disclosed. The variable speed turbine may include an electrical generator to provide power for a power grid and a power conversion system coupled to the electrical generator. ...


2
Lorenz Feddersen, Eckardt Siebenthaler, Björn Andresen: Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control. Vestas Wind Systems, Finnegan Henderson Farabow Garrett & Dunner, February 15, 2005: US06856040 (60 worldwide citation)

A variable speed wind turbine having a passive grid side rectifier using scalar power control and dependent pitch control is disclosed. The variable speed turbine may include an electrical generator to provide power for a power grid and a power conversion system coupled to the electrical generator. ...


3
Eckardt Siebenthaler, Björn Andresen, Lorenz Feddersen: Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch. Vestas Wind Systems, Finnegan Henderson Farabow Garrett & Dunner, February 15, 2005: US06856041 (41 worldwide citation)

A variable speed wind turbine having a passive grid side rectifier using scalar power control and dependent pitch control is disclosed. The variable speed turbine may include an electrical generator to provide power for a power grid and a power conversion system coupled to the electrical generator. ...


4
Lorenz Feddersen, Eckardt Siebenthaler, Björn Andresen: Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control. Vestas Wind Systems, Finnegan Henderson Farabow Garrett & Dunner, February 8, 2005: US06853094 (38 worldwide citation)

A variable speed wind turbine having a passive grid side rectifier using scalar power control and dependent pitch control is disclosed. The variable speed turbine may include an electrical generator to provide power for a power grid and a power conversion system coupled to the electrical generator. ...


5
Jose Ignacio Llorente Gonzalez, Björn Andresen, Jens Birk: Method for operation of a converter system. Gamesa Innovation & Technology S L, Ladas & Parry, October 21, 2008: US07439714 (21 worldwide citation)

The present invention relates to a method for operating a converter system of a wind turbine, wherein the converter system includes converter modules capable of converting electric power produced by a generator to electric power applicable to a utility grid. The converter modules include generator i ...


6
José Ignacio Llorente González, Björn Andresen, Jens Birk: Method for operation of a converter system. Gamesa Innovation & Technology S L, Ladas & Parry, June 9, 2009: US07545052 (15 worldwide citation)

The present invention relates to a method for operating a converter system of a wind turbine, wherein the converter system includes converter modules capable of converting electric power produced by a generator to electric power applicable to a utility grid. The converter modules include generator i ...


7
Björn Andresen: Wind power system and method of operating it. Gamesa Innovation & Technology S L, Ladas & Parry, August 30, 2011: US08008793 (12 worldwide citation)

The wind power system comprises an installation (1) for generating electrical power from wind by means of at least one power generating turbine arranged to be rotated by wind, and a control system (2) including a power controller (22). The power controller (22) is configured to keep the magnitude of ...


8
Björn Andresen, Michael Noertoft Frydensbjerg, Thyge Knüppel: Power oscillation damping by a converter-based power generation device. SIEMENS AKTIENGESELLSCHAFT, September 15, 2015: US09133825 (3 worldwide citation)

There is provided a power generation park (100) having a power output (108) for providing electrical output power (150) to an electricity network (128). A power generation device (102a, . . . 102n) has a converter device (106) configured for receiving input power (142) from a power generator (104) a ...


9
Björn Andresen, Yin Bo, Knud Dam Hageman Madsen: Method and arrangement for operating a wind farm within voltage limit. SIEMENS AKTIENGESELLSCHAFT, December 27, 2016: US09531193 (2 worldwide citation)

A method for determining a limit value of a wind turbine reference operational variable is described The wind turbine being connected to a connection node to which a utility grid is connected. The method includes: obtaining a first input signal indicative of a connection node limit voltage; obtainin ...


10
Björn Andresen, Bo Yin: Method and arrangement for operating a wind turbine converter. Siemens Aktiengesellschaft, April 7, 2015: US09000734 (2 worldwide citation)

A method of operating a converter of a wind turbine for providing electric energy to a utility grid includes determining a grid voltage. If the grid voltage is between a nominal voltage and a first voltage threshold, i.e. higher than the nominal voltage, a normal procedure for lowering the grid volt ...