Abstract
The large inrush current occurs when the series compensation capacitor bank is cut off. The inrush current can be effectively suppressed by the phase-controlled technology. The controlled closing strategy for the bypass switch of the series compensation capacitor bank is developed in this paper. The UHV transmission line and capacitor series compensation are established. The arc model of pre-breakdown and time scatter model are established. The closing strategy is simulated in the MATLAB/Simulink. The simulation results show that the closing strategy in this paper can effectively suppress the inrush current of the bypass switch.
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