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This study proposes a new method of power quality enhancement by using the combined operation of thyristor switched capacitor (TSC) and optimal reclosing of circuit breakers in a multi-machine power network. To evaluate the effectiveness of the proposed method, its performance is compared with that of the combined operation of thyristorcontrolled braking resistor (TCBR) and optimal reclosing of circuit breakers. The total kinetic energy-based optimal reclosing method is considered. To analyse the effectiveness of the proposed technique, the IEEE nine-bus power system model is considered. Both balanced and unbalanced temporary and permanent faults at different locations in the power system model are considered. Simulation results demonstrate that the proposed TSC together with the optimal reclosing method performs well. Moreover, the performance of the proposed method is better than that of the combination of TCBR and the optimal reclosing method.

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