Study on Selection and Configuration Principle of Grounding Mode in Distribution Network with Distributed Power Supply

ZHANG Qing; YU Guangyuan; QIN Changlong

doi:10.14044/j.1674-1757.pcrpc.2018.04.025

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Study on Selection and Configuration Principle of Grounding Mode in Distribution Network with Distributed Power Supply

更新时间：2024-09-14

- Study on Selection and Configuration Principle of Grounding Mode in Distribution Network with Distributed Power Supply
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 4, Pages: 147-152(2018)
- 作者机构：
  
  国家电网济南供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.04.025
  CLC： TM862
- Published：2018，
- 稿件说明：
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[1]张庆,于光远,秦昌龙.含分布式电源接入的配电网接地方式选择和配置原则研究[J].电力电容器与无功补偿,2018,39(04):147-152.

ZHANG QING, YU GUANGYUAN, QIN CHANGLONG. Study on Selection and Configuration Principle of Grounding Mode in Distribution Network with Distributed Power Supply. [J]. Power capacitor & reactive power compensation, 2018, 39(4): 147-152.
[1]张庆,于光远,秦昌龙.含分布式电源接入的配电网接地方式选择和配置原则研究[J].电力电容器与无功补偿,2018,39(04):147-152. DOI： 10.14044/j.1674-1757.pcrpc.2018.04.025.

ZHANG QING, YU GUANGYUAN, QIN CHANGLONG. Study on Selection and Configuration Principle of Grounding Mode in Distribution Network with Distributed Power Supply. [J]. Power capacitor & reactive power compensation, 2018, 39(4): 147-152. DOI： 10.14044/j.1674-1757.pcrpc.2018.04.025.

摘要

配电网的接地方式是影响供电安全性和可靠性的重要因素

随着分布式电源的大量接入

高度渗透的有源配电网接地方式在建设泛在智能配电网的过程中需要得到更多的重视。针对含分布式电源接入配电网的不同接地方式进行了研究

在配电网中性点的直接接地、不接地、经阻抗接地等多种方式下

分析分布式电源不同的运行方式和接地方式在故障时对配电网的影响

从配电网侧、分布式电源侧的零序电流和故障点短路电流变化对比了配电网和分布式电源的各接地配合方案

并对接地配置原则进行说明。最后

基于仿真平台对不同情况下的接地配合方案进行验证。

Abstract

The grounding mode of distribution network is an important factor affecting the safety and reliability of power supply. With a large number of distributed power sources connected to the grid

more attention of the grounding mode of highly permeable active distribution network shall be paid in the construction of intelligent distribution grid. The different grounding mode for the distribution power supply connected to the distribution grid is studied. Under such multiple modes as directing grounding of neutral point of distribution grid

non-grounding and grounding through impedance

the influence of different operation and grounding mode of the distribution power supply on the distribution grid is analyzed. Each grounding coordination scheme of the distribution and distribution power supply is analyzed from the comparison of zero sequence current and short circuit current variation of the fault point at the distribution side and distribution power supply side

the grounding configuration principle is explained. Finally

the grounding coordination scheme in different cases is verified based on the simulation platform.

关键词

分布式电源配电网接地方式配置原则

Keywords

distribution power supplydistribution networkgrounding modelconfiguration principle

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Related Institution

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