Influence of Electric Vehicle Charging and Discharging on Distribution Network Relay Protection

LI Zhenxing; MENG Xiaoxing; TIAN Bin; LI Zhenhua; XU Yanchun

doi:10.13296/j.1001-1609.hva.2018.04.028

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Influence of Electric Vehicle Charging and Discharging on Distribution Network Relay Protection

更新时间：2025-04-26

- Influence of Electric Vehicle Charging and Discharging on Distribution Network Relay Protection
- High VoltageApparatus Vol. 54, Issue 4, Pages: 188-194(2018)
- 作者机构：
  
  1. 三峡大学电气与新能源学院
  2. 三峡大学新能源微电网湖北省协同创新中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.04.028
  CLC： TM77
- Published：2018
- 稿件说明：
移动端阅览
[1]李振兴,孟晓星,田斌,李振华,徐艳春.电动汽车接入充放电对配电网继电保护的影响[J].高压电器,2018,54(04):188-194.

LI Zhenxing, MENG Xiaoxing, TIAN Bin, et al. Influence of Electric Vehicle Charging and Discharging on Distribution Network Relay Protection[J]. High voltageapparatus, 2018, 54(4): 188-194.
[1]李振兴,孟晓星,田斌,李振华,徐艳春.电动汽车接入充放电对配电网继电保护的影响[J].高压电器,2018,54(04):188-194. DOI： 10.13296/j.1001-1609.hva.2018.04.028.

LI Zhenxing, MENG Xiaoxing, TIAN Bin, et al. Influence of Electric Vehicle Charging and Discharging on Distribution Network Relay Protection[J]. High voltageapparatus, 2018, 54(4): 188-194. DOI： 10.13296/j.1001-1609.hva.2018.04.028.

摘要

随着电动汽车的逐渐普及

具有可移动储能性质的电动汽车将大量接入配电网进行充放电。这影响了配电网原有的电源、负荷以及网络结构

改变了配电网的潮流水平及方向

势必给配电网的继电保护造成了极大的影响。除此之外汽车在时间与空间上还具有很强的充放电随机性

这会给配电网的继电保护配置及整定造成困难。对此

文中基于电动汽车放电时的分布式电源特性与充电时的随机负荷特性

对电动汽车接入配电网充放电时的故障特征进行梳理与总结

分析了电动汽车对配电网中电流保护、距离保护及重合闸受到的具体影响。最后

并以此为基础

探讨了大量电动汽车渗透下配电网的继电保护研究方向

为配电网保护的后续研究提供参考。

Abstract

With the gradual popularization of electric vehicles

numerous electric vehicles with removable storageproperty will be connected to the distribution network for charging and discharging. This affects the original powersupply

load and network structure

changes the power flow and direction of distribution network

which will cause agreat impact on the relay protection of distribution network. In addition to

charging and discharging behavior is ran-dom in time and space

which will make difficulties for configuration and setting calculation of relay protection.Based on the characteristics of distributed generations of discharging process and characteristics of random loads ofcharging process

this paper introduces a summary to the faults characteristics of electric vehicles charging and dis-charging in distribution network. The effects of electric vehicles on the current protection

distance protection and re-close of distribution systems are analyzed. Finally

on the basis of this

the research direction of the relay protectionunder the infiltration of electric vehicles is discussed

which provides reference for the future research of the distribu-tion network protection.

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