An efficient Approach for Hybrid-STATCOM with Wide Compensation Range and Low DC-Link Voltage

Abstract

: A hybrid-STATCOM in three-phase power system is proposed and discussed as a cost-effective reactive power compensator for medium voltage level application is proposed in this paper. In this paper, the circuit configuration of traditional and capacitive STATCOM are introduced first. The system parameter design for the hybrid STATCOM is then proposed on the basis of consideration of the reactive power compensation range. Because of the low dc-link voltage, the system costs can be reduced considerably. Finally, simulation is carried out in MATLAB to verify the wide compensation range and low dc-link voltage characteristics and the good dynamic performance of the proposed hybrid-STATCOM.