Research on Bidirectional DC/DC Converter for PCS Based on Discontinuous Conducting Mode

DENG Xiang’e; MU Jingwei; HE Jun; LI Luo; MU Miaojie

doi:10.13296/j.1001-1609.hva.2015.12.010

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Research on Bidirectional DC/DC Converter for PCS Based on Discontinuous Conducting Mode

更新时间：2025-04-26

- Research on Bidirectional DC/DC Converter for PCS Based on Discontinuous Conducting Mode
- High VoltageApparatus Vol. 51, Issue 12, Pages: 55-58+65(2015)
- 作者机构：
  
  1. 西安高压电器研究院有限责任公司
  2. 宝鸡铁路技师学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.12.010
  CLC： TM46
- Published：2015
- 稿件说明：
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[1]邓湘鄂,牟京卫,贺俊,李罗,穆淼婕.基于断续导通模式下的PCS中双向DC/DC变换器的研究[J].高压电器,2015,51(12):55-58+65.

DENG Xiang’e, MU Jingwei, HE Jun, et al. Research on Bidirectional DC/DC Converter for PCS Based on Discontinuous Conducting Mode[J]. High voltageapparatus, 2015, 51(12): 55-58+65.
[1]邓湘鄂,牟京卫,贺俊,李罗,穆淼婕.基于断续导通模式下的PCS中双向DC/DC变换器的研究[J].高压电器,2015,51(12):55-58+65. DOI： 10.13296/j.1001-1609.hva.2015.12.010.

DENG Xiang’e, MU Jingwei, HE Jun, et al. Research on Bidirectional DC/DC Converter for PCS Based on Discontinuous Conducting Mode[J]. High voltageapparatus, 2015, 51(12): 55-58+65. DOI： 10.13296/j.1001-1609.hva.2015.12.010.

摘要

为获得较高的功率密度和减小开关损耗

将PCS中双向DC/DC变换器设计在断续导通模式（DCM）下

并采用交错并联结构弥补DCM下电压电流纹波较大的缺陷。分析研究变换器采用不添加额外半导体器件的控制型软开关技术

实现开关软通断

减小开关损耗。最后推导了实现软开关的死区时间、电容、电感等设计公式。通过实验

验证了理论分析的正确性。

Abstract

High-power density and decreasing the turn-off loss in PCS is realized by a bidirectional DC/DC converter designed in discontinued conducting mode（DCM）. The DCM associated voltage and current ripples can be alleviated by multiphase interleaved operation. To decrease the turn-off loss

soft-switching characteristics is achieved by analyzing to the controlled soft-switching technology without any additional semiconductor devices. Finally

the design formulas for the dead-time

the capacitance and the inductance

etc to realize soft-switching are deduced. The validation of theoretical analysis is verified by the experimental results.

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