Wide area transmission control of windfarms

Electrical transmission or interconnection systems – Miscellaneous systems – Generator control systems

Reexamination Certificate

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C307S154000

Reexamination Certificate

active

08058753

ABSTRACT:
A means for improving the dynamic and voltage stability of utility transmission systems is provided by the coordinated control of windfarms. Electrical measurements of the system, which may include synchronized phasors, are supplied to one or more windfarm controllers, which in turn perform a regulation function improving the damping of electromechanical oscillations or voltage performance in the utility system. The control structure is of a decentralized nature, which maintains operation in case of communication failures. The benefits are improved damping to electromechanical oscillations and better voltage performance and ultimately increased utilization of assets, reducing the install additional network assets.

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