A novel offset based PWM method for three phase AC-AC matrix converter
Power Electronics and Drive Systems（2011）
摘要
The paper presents a novel universal offset based PWM method for 3f ac-ac matrix converter, whose characteristics can be controlled by the offset regulation. Typical characteristics of the offset based PWM control for the matrix converter will be described. The proposed PWM algorithm may help to simplify further study of PWM techniques for ac-ac matrix converter. Different variants of the offset functions for unity input power factor will be presented. The theoretical analysis will be verified by experimental results.
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关键词
ac-ac power convertors,pwm power convertors,matrix convertors,power factor,offset based pwm method,offset regulation,three phase ac-ac matrix converter,unity input power factor,discontinuous pwm,ac-ac matrix converter,common mode,input power factor,offset based pwm,vectors,pulse width modulation,switches,reactive power
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