INFLUENCE OF DIFFERENT RATED VOLTAGE MOAS ON SWITCHING SURGES

HUANG Yan-yan; ZHANG Ying; SHI Wei

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INFLUENCE OF DIFFERENT RATED VOLTAGE MOAS ON SWITCHING SURGES

更新时间：2025-04-26

- INFLUENCE OF DIFFERENT RATED VOLTAGE MOAS ON SWITCHING SURGES
- High VoltageApparatus Issue 4, Pages: 4-6+10(2003)
- 作者机构：
  
  1. 西安交通大学电气工程学院
  2. 西安交通大学电气工程学院陕西西安710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2003
- 稿件说明：
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[1]黄燕艳,张颖,施围.不同额定电压等级避雷器对操作过电压的影响[J].高压电器,2003(04):4-6+10.

HUANG Yan-yan, ZHANG Ying, SHI Wei. INFLUENCE OF DIFFERENT RATED VOLTAGE MOAS ON SWITCHING SURGES[J]. High voltageapparatus, 2003, (4): 4-6+10.
[1]黄燕艳,张颖,施围.不同额定电压等级避雷器对操作过电压的影响[J].高压电器,2003(04):4-6+10. DOI：

HUANG Yan-yan, ZHANG Ying, SHI Wei. INFLUENCE OF DIFFERENT RATED VOLTAGE MOAS ON SWITCHING SURGES[J]. High voltageapparatus, 2003, (4): 4-6+10. DOI：

摘要

针对我国330～500kV系统和国外750kV相似电压等级避雷器的不同保护水平

分析了金属氧化锌避雷器（MOA）保护水平的变化对750kV输电系统操作过电压水平的影响。避雷器额定电压越低

过电压越低

但避雷器吸收的能量越多。此外

还讨论了取消合闸电阻后操作过电压的限制措施。

Abstract

In power transmission systems of330～500kV（domestic）and750kV（abroad）

MOA has several different protection levels.This paper studies the switching surges in a750kV power transmission system with MOA of different pro-tective levels.The lower the rated voltage of MOA

the lower the switching surge

and the more the energy absorbed by MOA.The measures to limit switching surges are presented under the situation of the elimination of closing resistor.

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