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WACS-Wide-Area Stability and Voltage Control System: R&D and Online Demonstration

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5 Author(s)
Taylor, C.W. ; Bonneville Power Adm., Vancouver, WA, USA ; Erickson, Dennis C. ; Martin, K.E. ; Wilson, R.E.
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As background, we describe frequently used feedforward wide-area discontinuous power system stability controls. Then we describe online demonstration of a new response-based (feedback) Wide-Area stability and voltage Control System (WACS). The control system uses powerful discontinuous actions for power system stabilization. The control system comprises phasor measurements at many substations, fiber-optic communications, real-time deterministic computers, and transfer trip output signals to circuit breakers at many other substations and power plants. Finally, we describe future development of WACS. WACS is developed as a flexible platform to prevent blackouts and facilitate electrical commerce.

Published in:

Proceedings of the IEEE  (Volume:93 ,  Issue: 5 )