Wind Turbine Pitch Control System

A pitch control system 30 for a wind turbine 10 is disclosed. The pitch control system 30 may generally include a motor 102 having an armature 104 and a winding 106 and a grid power source 110 configured to supply electrical power to the motor 102. The pitch control system 30 may also include a plur...

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Bibliographische Detailangaben
Hauptverfasser:	BROWN, MICHAEL GREGORY, MELIUS, JEFFREY ALAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A pitch control system 30 for a wind turbine 10 is disclosed. The pitch control system 30 may generally include a motor 102 having an armature 104 and a winding 106 and a grid power source 110 configured to supply electrical power to the motor 102. The pitch control system 30 may also include a plurality of switching components 120, 122, 124 configured to control a first current through the armature 104 independent of a second current through the winding 106. In addition, the pitch control system 30 may include an auxiliary switching component electrically coupled between the grid power source 110 and at least a portion of the switching components 120, 122, 124. The auxiliary switching component may be configured to be opened when a grid voltage of the grid power source 110 exceeds a first voltage threshold.