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Stabilizing control, system preventing loss of synchronism from extension and its actual operating experience

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6 Author(s)
K. Matsuzawa ; Tokyo Electr. Power Co. Inc., Japan ; K. Yanagihashi ; J. Tsukita ; M. Sato
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This paper presents a stabilizing control system that was implemented to the power system of Tokyo Electric Power Company and worked successfully, shedding the minimum number of generators and preventing the extension of loss of synchronism to the other generators when a severe fault occurred on May 22, 1992. The stabilizing control system measures voltage and current at the rate of 600 Hz, predicts the change of phase angles of generators and decides the minimum number of generators to be shed for stabilization when instability is predicted and sheds them

Published in:

IEEE Transactions on Power Systems  (Volume:10 ,  Issue: 3 )