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1 Systems Science

1 2000

1 Iyer A.

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Non-linear excitation and governor control: a comparison of control schemes.

100%

Iyer A.

Systems Science

2000

tom Vol. 26, nr 2

55-68

Modem microprocessor capabilities permit the control designer to consider using relatively complicated nonlinear control algorithms, which would have been considered impractical in the past. In the paper inverse control and variable structure control are applied to the design of excitation and governor controllers using state variable feedback. The paper presents the results of a study of the two non-linear techniques for the design of excitation and governor controllers for a multi-machine power system. Control laws for rotor angle and field flux are derived. The closed loop system is shown to be asymptotically stable. The system can be transferred to a new operating condition corresponding to any desired terminal voltage V/sub t/ and tie-line power P/sub tie/.