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다중브리지 PWM 인버터로 구성된 SSSC의 동특성 분석
배병렬(B.Y. Bae),박상호(S.H. Park),하요철(Y.C. Ha),김희중(HJ. Kim),한병문(B.M. Han),김현우(H.W. Kim) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
This paper proposes an SSSC based on multi-bridge inverters. The dynamic characteristic of the proposed SSSC was analyzed by EMTP simulation and a scaled hardware model, assuming that the SSSC is inserted in the transmission line of the one-machine-infinite-bus power system. The proposed SSSC has 6 multi-bridge inverters per phase, which generates 13 pulses for each half period of power frequency The proposed SSSC generates a quasj-simusoidal output voltage by 90 degree phase shift to the line current. The proposed SSSC does not require the coupling transformer for voltage injection, and has a flexibility in operation voltage by increasing the number of series connection.