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Modified Trapezoidal PWM을 베이스로 한 CRPWM Boost Type AC/DC Converter
권영원(Young-Won Kwon),노의철(Eui-Cheol Nho),김인동(In-Dong Kim),김만고(Marn-Go Kim),전성즙(Seong-Jeub Jeon),조철제(Cheol-Je Joe),문성득(Sung-Deuk) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
This paper describes a current regulated PWM boost type rectifier based on modified trapezoidal PWM. Each switch of a converter has no switching for one third period of a fundamental line current. Therefore, the switching loss of the proposed scheme is less than that of the hysteresis current controller.<br/> Operating principle is described and slmulations and experiments are carried out.
Modified Trapezoidal PWM 인버터 고조파 특성 해석
조우성(Woo-Sung Cho),김인동(In-Dong Kim),노의철(Eui-Cheol Nho),김만고(Marn-Go Kim),전성즙(Seong-Jeub Jeon),조철제(Cheol- Je Joe),문성득(Sung-Deuk Moon) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
A new PWM method for voltage source inverters is described. The switching instants determination of the proposed PWM scheme is simple. Therefore, hardware Implementation with a microprocessor system is easy and high frequency operation of an inverter can be obtained. The maximum line-to-line output voltage of a 3-phase inverter with the proposed scheme is larger than that of the SPWM inverter under a linear modulation region Principle of the proposed PWM method is described and harmonic characteristic analysis is carried out.