A New Current Controlled Inverter with ZVT Switching

  • Lee S. R. (School of Electronic and Information engineering Kunsan National University) ;
  • Jeon C. H. (School of Electronic and Information engineering Kunsan National University) ;
  • Ko S. H. (School of Electronic and Information engineering Kunsan National University)
  • Published : 2001.10.01

Abstract

A single-phase bi-directional inverter with a diode bridge-type resonant circuit to implement ZVT(Zero Voltage Transition) switching is proposed. It is shown that the polarized ramptime current control algorithm, a method that belongs to the family of ZACE(Zero Average Current Error) methods, is a suitable technique to integrate with a typical single-phase ZVT inverter. The proposed current control algorithm is analyzed to design the circuit with auxiliary switch which can operate with ZVT for the main power switch. The simulation results would be shown to verify the proposed current algorithm to turn the main power switch on with ZVT and to operate the inverter bi-directionally

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