The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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The New Active Voltage Clamp ZVS-PWM Resonant High-frequency Inverter

새로운 액티브 전압 클램프 ZVS-PWM 공진 고주파 인버터

  • Ahn, Yong-Wie (Hanryeo Electric Safety Management Co., Ltd) ;
  • Kim, Hong-Shin (Korea Water Resources Corporation) ;
  • Mun, Sang-Pil (Dept. of Electrical Engineering, Masan University) ;
  • Woo, Kyung-Il (Dept. of Electrical Engineering, Pukyong National University) ;
  • Park, Han-Seok (Dept. of Electrical Engineering, Pukyong National University)
  • Received : 2017.10.18
  • Accepted : 2017.11.22
  • Published : 2017.12.01
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Abstract

In this paper, a ZVS-PWM high-frequency inverter with a PWM control function is applied to commercial system 220[Vrms], and a resonator type ZVS-PWM high-frequency inverter circuit with a fixed-two methods were proposed. The parameters of the transformer model equivalent circuit of a copier fixing device, which is an essential element in the parameter optimization of the proposed circuit, are obtained by using a high-frequency amplifier and its frequency characteristics are described. The proposed method compared to the existing single-ended ZVS-PFM high frequency inverter can suppress the voltage and current peak value of the power semiconductor switching device and reduce the switching loss. The efficiency of the proposed method itself is 98[%] at rated power output. Also, the efficiency of 96[%] can be obtained even at low output, so that the proposed high frequency inverter is very efficient inverter. The total efficiency from the commercial AC input to the inverter output is 93[%] at rated, which is considered efficient for use in copying machines. In addition, the diode bridge loss accounts for the largest portion of the overall system efficiency distribution. On the other hand, the nonparallel filter has a very low loss.

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References

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