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《Journal of Nanjing University of Aeronautics & Astronautics》 1989-01
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Single-Phase PWM Current Fed Converter with Sine Wave Input

Hu Yuwen (Nanjing Aeronautical Institute)Nonaka S. (Japan Kyushu University)  
In this paper, a new single-phase PWM GTO Converter is presented. This new single-phase PWM converter has the following advantages: (1) The problem of the resonance phenomenon caused by the filter capacitor in the converter and the inductance contained in the feeder may be solved using two auxilary GTO's;(2) The input current and voltage are sinusoidal in the PWM control method;(3) Computer in-time control has been adopted, so the structure of the system is simplified, the reliability is increased and the cost is reduced. The system can be used as a high-power single-phase rectifier, in case the power factor needs to be regulated freely.
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