Influence of Shunt Compensation Capacitor on the Stability of Vienna Rectifier in Distribution Network

XU Yao; TONG Xiangqian; DANG Chaoliang

doi:10.14044/j.1674-1757.pcrpc.2018.04.019

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Influence of Shunt Compensation Capacitor on the Stability of Vienna Rectifier in Distribution Network

更新时间：2024-09-14

- Influence of Shunt Compensation Capacitor on the Stability of Vienna Rectifier in Distribution Network
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 4, Pages: 106-111(2018)
- 作者机构：
  
  西安理工大学自动化与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.04.019
  CLC： TM461
- Published：2018，
- 稿件说明：
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[1]徐瑶,同向前,党超亮.配电网并联补偿电容器对Vienna整流器稳定性的影响[J].电力电容器与无功补偿,2018,39(04):106-111.

XU YAO, TONG XIANGQIAN, DANG CHAOLIANG. Influence of Shunt Compensation Capacitor on the Stability of Vienna Rectifier in Distribution Network. [J]. Power capacitor & reactive power compensation, 2018, 39(4): 106-111.
[1]徐瑶,同向前,党超亮.配电网并联补偿电容器对Vienna整流器稳定性的影响[J].电力电容器与无功补偿,2018,39(04):106-111. DOI： 10.14044/j.1674-1757.pcrpc.2018.04.019.

XU YAO, TONG XIANGQIAN, DANG CHAOLIANG. Influence of Shunt Compensation Capacitor on the Stability of Vienna Rectifier in Distribution Network. [J]. Power capacitor & reactive power compensation, 2018, 39(4): 106-111. DOI： 10.14044/j.1674-1757.pcrpc.2018.04.019.

摘要

Vienna整流电路因开关器件少、电压应力低、功率密度大、可靠性高等特性

在电动汽车充电机前级整流模块中获得广泛应用。在Vienna整流器稳定运行时

电网中加入无功补偿装置会使得系统的稳定性降低

甚至导致不稳定。基于此

本文针对电动汽车充电机

依据阻抗比判据

分析了电网引入无功补偿装置时对Vienna整流器的稳定性影响。为进一步改善系统的稳定性

提出了一种阻抗调节方案

并通过仿真分析验证了所提方案的正确性与可行性。

Abstract

Vienna rectifier has been used widely in the front stage rectifier module of electric vehicle charger with such features as less switch element

low voltage stress

high power density and reliability. In case of stable operation of Vienna rectifier

addition of reactive power compensation dice to the grid can reduce system stability and even lead to instability. In view of this and as for the electric vehicle charger the influence of Vienna rectifier stability due to introduction of reactive power compensation device in the power network is analyzed on the basis of impedance ratios criteria. A kind of impedance adjustment scheme is proposed for improving system stability further

and both correctness and feasibility of the proposed scheme is analyzed and verified by the simulation.

关键词

Vienna整流器并联补偿电容器稳定性阻抗调节

Keywords

Vienna rectifiershunt compensation capacitorstabilityimpedance adjustment

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