Power generating system and its control method

Details Power generating system and its control method Power generating system and its control method

2007-12-04

2007-12-04

Schuberg, Darren (Department: 2834)

Prime-mover dynamo plants

Electric control

Fluid-current motors

C290S052000, C322S029000

Reexamination Certificate

active

10539009

ABSTRACT:
A power controller5calculates the induced voltage or rotor magnetic flux from the output voltage and the output current of a generator3, estimates a shaft speed of the generator3from the phase of the induced voltage or the phase of the rotor magnetic flux, and calculate the output of a windmill1from the estimated value of the shaft speed and the output of the generator3. As a result, since the output of the windmill1can be calculated without requiring a speed sensor for detecting the shaft speed of the generator3, it is possible to accomplish simplification of circuits, reduction of cost, and high reliability.

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