Power generation and control of a self excited squirrel cage induction generator
- Oriahi, M.A.
- Egwaile, J.O.
DOIAbstract
The self-excited squirrel cage induction generator (SEIG) is frequently considered as the most economical solution for powering customers isolated from the utility grid by wind energy because it derives its excitation from its own output terminal and neither an exciter nor voltage regulator is required. Its major drawbacks, however, are poor voltage and frequency regulation under variable load conditions. The aim of this paper is to investigate a feedback control strategy that takes a fraction of the output power and applies it to the prime mover as torque. The wind turbine is to be tied mechanically to the rotor of a squirrel cage induction which is fed with grid powerthat the generator supplies. A back to back converter is used to maintai...
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