Analysis of the Experiment and Simulation Based on CDEGS of the Shunt Current Coefficient of the Grounding Grid

DUANMU Linnan; ZHAO Xijing; ZHOU Xiaoming; LI Yu; SHAO Jiankang

doi:10.13296/j.1001-1609.hva.2016.01.026

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Analysis of the Experiment and Simulation Based on CDEGS of the Shunt Current Coefficient of the Grounding Grid

更新时间：2025-04-26

- Analysis of the Experiment and Simulation Based on CDEGS of the Shunt Current Coefficient of the Grounding Grid
- High VoltageApparatus Vol. 52, Issue 1, Pages: 154-161(2016)
- 作者机构：
  
  1. 华北电力科学研究院有限责任公司
  2. 2. 国网冀北电力有限公司电力科学研究院
  3. 中国水利电力对外公司
  4. 4. 上海大帆电气设备有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.01.026
  CLC： TM63;TM862
- Published：2016
- 稿件说明：
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[1]端木林楠,赵习静,周小明,李雨,邵建康.基于CDEGS的接地网分流系数仿真与实测分析[J].高压电器,2016,52(01):154-161.

DUANMU Linnan, ZHAO Xijing, ZHOU Xiaoming, et al. Analysis of the Experiment and Simulation Based on CDEGS of the Shunt Current Coefficient of the Grounding Grid[J]. High voltageapparatus, 2016, 52(1): 154-161.
[1]端木林楠,赵习静,周小明,李雨,邵建康.基于CDEGS的接地网分流系数仿真与实测分析[J].高压电器,2016,52(01):154-161. DOI： 10.13296/j.1001-1609.hva.2016.01.026.

DUANMU Linnan, ZHAO Xijing, ZHOU Xiaoming, et al. Analysis of the Experiment and Simulation Based on CDEGS of the Shunt Current Coefficient of the Grounding Grid[J]. High voltageapparatus, 2016, 52(1): 154-161. DOI： 10.13296/j.1001-1609.hva.2016.01.026.

摘要

为更好地分析和研究变电站故障电流分布

准确确定故障电流分流系数

利用大功率变频信号发生系统和柔性Rogrowski线圈对大学城110 k V变电站故障电流分流系数进行了测量

利用CDEGS软件对大学城110 k V变电站故障短路下电流分布进行了仿真计算

并与实测结果进行了对比分析。仿真计算值与实测值对比吻合性较好

验证了仿真计算方法的准确性。对仿真计算的误差来源进行了分析。

Abstract

In order to analyze and study the distribution of the substation fault current

and to determine the fault current shunt coefficient

the fault current shunt coefficient of the Daxuecheng 110 k V substation’s grounding grid is measured by using the high frequency signal generating system and flexible Rogrowski coil. The short circuit current distribution in the grounding grid of the substation is simulated by using CDEGS

and the results are compared with the experimental analysis. The simulated results and the experimental results are highly consistent with each other. The reasons of the errors of the simulation are analyzed.

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DUANMU Linnan

ZHAO Xijing

CAI Wei

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Related Institution

North China Electric Power Research Institute Co., Ltd.

Electric Power Research Institute,State Grid Jibei Electric Power Co., Ltd.

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