FIELD: wind-power engineering; automatically controlled off-line and power-grid windmill-electric power plants. SUBSTANCE: windmill- electric power plant has differential gear transmission whose links are mechanically coupled with windmill shaft, ac generator shaft, and adjustable dc machine shaft, respectively. Adjustable dc machine armature is electrically connected to second dc machine armature mechanically coupled with ac generator shaft. Second dc machine has additional field winding connected to amplifying device. Input of the latter is connected to output of regulator one of whose inputs is connected to output of speed shaper and other one, to adder output. Speed shaper input is connected to output of windmill shaft speed transducer. Active-power controller is connected to second input of adder. EFFECT: improved characteristics of generated electrical energy. 1 cl, 1 dwg
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Authors
Dates
2003-08-20—Published
2001-04-18—Filed