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Time-optimal control of power systems requiring multiple switchings of series capacitors

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2 Author(s)
Jaewon Chang ; Korea Electr. Power Corp., Seoul, South Korea ; Chow, J.H.

Time-optimal control of switchable series or shunt capacitors requiring only a single switching has been proposed for damping power system swings resulting from large disturbances. This strategy is useful for a switchable series capacitor with a high compensation rating relative to the transmission system. In this paper, the general case of time-optimal control of series capacitors requiring multiple switchings is investigated. The strategy is applicable to a switchable series capacitor with a low compensation rating relative to the transmission system. It is illustrated for a single-machine infinite-bus system and an interconnected system. Suboptimal capacitor-switching control schemes are also investigated

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Power Systems, IEEE Transactions on  (Volume:13 ,  Issue: 2 )