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최대길,한병문 명지대학교 대학원 1997 대학원논문집 Vol.1 No.-
This paper describes a control system design for the transmission STATCOM by applying a no-linear state feedback, and the performance analysis of the control system by simulations and scaled-model experiments. A mathematical model for the STATCOM was derived using a 3-phase equivalent circuit and a perturbation state equation with respect to a typical operating point. A transfer function to describe the dynamics of STATCOM was derived by considering non-linear state feedback. A controller design was completed by anaylzing the feedback system stability with bode plot and root locus methods. The performance analysis of the conceived control system was verified by simulations with the EMTP and experiments with scaled model, assuming that the STATCOM is connected to an 154kV transmission system. The results show that the conceived control system has excellant performance to control the reactive power of the transmission system.