Abstract
A new control scheme for power system stabilization, based on the experimental analysis of changes of alrgap fluxes inside the synchronous generator during power system oscillations, is proposed, and the feasibility of this control scheme is investigated on a one-machine connected to an infinite-bus system both analytically and experimentally. The results show that the proposed controller is effective in damping the oscillations after disturbances over a wide variety of operating conditions as well as extending the steady-state stability limit and gives better performance than the conventional power system stabilizers (PSS). The behavior of the controller is also compared with that of the fuzzy-inference-type power system stabilizer we have developed recently.
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