Real-Time Estimation of the Boost Inductance in a Single-phase AC/DC parallel PWM converter for High-speed EMU

동력분산형 고속철도의 단상 병렬 AC/DC PWM 컨버터를 위한 승압형 인덕턴스의 실시간 추정

This paper proposes a real-time estimation of the boost inductance in a single-phase AC/DC parallel PWM converter for high-speed EMU. The estimation procedure of the boost inductance is only based on the variation of input current and the input AC voltage measurement. The estimated boost inductance is optimized by the least square method. This estimation technique can improve the performance of current controller and reduce the harmonics of the input current in the feed-forward controller. The validity of proposed technique is verified through the MATLAB SIMULINK simulation results.