Dielectric Loss Measurement Method of Parallel Capacitor Between GIS Circuit Breaker Contacts in Xiluodu Hydropower Station

YANG Shufeng; CHEN Hui

doi:10.13296/j.1001-1609.hva.2015.08.023

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Dielectric Loss Measurement Method of Parallel Capacitor Between GIS Circuit Breaker Contacts in Xiluodu Hydropower Station

更新时间：2025-04-26

- Dielectric Loss Measurement Method of Parallel Capacitor Between GIS Circuit Breaker Contacts in Xiluodu Hydropower Station
- High VoltageApparatus Vol. 51, Issue 8, Pages: 136-140(2015)
- 作者机构：
  
  溪洛渡水力发电厂
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.08.023
  CLC： TM561
- Published：2015
- 稿件说明：
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[1]杨树锋,陈辉.溪洛渡GIS断路器断口并联电容介损测试方法研究[J].高压电器,2015,51(08):136-140.

YANG Shufeng, CHEN Hui. Dielectric Loss Measurement Method of Parallel Capacitor Between GIS Circuit Breaker Contacts in Xiluodu Hydropower Station[J]. High voltageapparatus, 2015, 51(8): 136-140.
[1]杨树锋,陈辉.溪洛渡GIS断路器断口并联电容介损测试方法研究[J].高压电器,2015,51(08):136-140. DOI： 10.13296/j.1001-1609.hva.2015.08.023.

YANG Shufeng, CHEN Hui. Dielectric Loss Measurement Method of Parallel Capacitor Between GIS Circuit Breaker Contacts in Xiluodu Hydropower Station[J]. High voltageapparatus, 2015, 51(8): 136-140. DOI： 10.13296/j.1001-1609.hva.2015.08.023.

摘要

目前

当GIS断路器单台停电时

由于其两侧相邻的断路器或母线带电运行

该断路器断口并联电容的整体介损tanδ是无法测量的。文中分析了单台断路器停电时断路器断口并联电容整体介损测量的难点

提出了"先接后断"防止高电压、确保安全的方法和采用"形成中性点"消除耦合高压和强电场干扰的技术措施。经试验验证

说明此方法安全可行、实用便捷

具有推广价值。

Abstract

When outage of a GIS breaker happens

the whole dielectric loss of the parallel capacitor between the circuit breaker contacts cannot be measured because its adjacent circuit breakers at both sides or the busbar still operate with electricity. In this paper

the difficulties in measurement of whole dielectric loss of parallel capacitor between contacts of a GIS circuit breaker in outage state are analyzed. A method of "connecting before break"to prevent high voltage and ensure safety and "forming neutral point"to eliminate coupling high voltage and strong electric field interference is proposed. Test results verify that this method is safe

applicable and convenient.

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Related Institution

State Grid Fujian Electric Power Research Institute

State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University

Shandong Taikai High-voltage Switchgear Co., Ltd.

Shandong University of Technology

College of Electrical Engineering, Sichuan University

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