Discussion of the Selection of Distribution Equipment for 20 kV Voltage Level

YANG De-lun; LI Jing-lu; ZHANG Meng; PENG Li-qiang

doi:10.13296/j.1001-1609.hva.2010.12.020

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Discussion of the Selection of Distribution Equipment for 20 kV Voltage Level

更新时间：2025-04-26

- Discussion of the Selection of Distribution Equipment for 20 kV Voltage Level
- High VoltageApparatus Vol. 46, Issue 12, Pages: 82-85+88(2010)
- 作者机构：
  
  长沙理工大学电气与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.12.020
  CLC： TM642
- Published：2010
- 稿件说明：
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[1]杨德伦,李景禄,张萌,彭利强.20kV电压等级配电设备选型的探讨[J].高压电器,2010,46(12):82-85+88.

YANG De-lun, LI Jing-lu, ZHANG Meng, et al. Discussion of the Selection of Distribution Equipment for 20 kV Voltage Level[J]. High voltageapparatus, 2010, 46(12): 82-85+88.
[1]杨德伦,李景禄,张萌,彭利强.20kV电压等级配电设备选型的探讨[J].高压电器,2010,46(12):82-85+88. DOI： 10.13296/j.1001-1609.hva.2010.12.020.

YANG De-lun, LI Jing-lu, ZHANG Meng, et al. Discussion of the Selection of Distribution Equipment for 20 kV Voltage Level[J]. High voltageapparatus, 2010, 46(12): 82-85+88. DOI： 10.13296/j.1001-1609.hva.2010.12.020.

摘要

20 kV电压等级配电设备的选择与系统中性点接地方式密切相关。20 kV中压配电网的不同中性点接地方式各具有其特点及适用范围

在此基础上

通过相关标准和实际运行经验对不同中性点接地方式下相关设备的性能参数进行分析与比对

以设备绝缘水平和经济性能作为综合指标对20 kV电压等级配电设备的选择进行了探讨

在现行的国标和行标等对设备性能参数规定较少的情况下

为20 kV电压等级建设提供借鉴。

Abstract

Selection of distribution equipment for 20 kV voltage level is closely related to the neutral point grounding mode in the system.All the different types of neutral point grounding mode for 20 kV medium voltage distribution network have their own characteristics and scope of application

On this basis

the performance of related equipments under different types of neutral point grounding mode are analysed and compared in combination with relative standards and practical operational experience.The insulation levels and economic performance as a comprehensive criterion for 20 kV voltage level equipment are discussed

which can be as reference for 20 kV voltage level constructions.

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