Analysis on the Measured Recovery Voltage in Artificial Single-Phase Grounding Test for UHV AC Pilot Project

TIAN Qing

doi:10.13296/j.1001-1609.hva.2010.02.003

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Analysis on the Measured Recovery Voltage in Artificial Single-Phase Grounding Test for UHV AC Pilot Project

更新时间：2025-04-26

- Analysis on the Measured Recovery Voltage in Artificial Single-Phase Grounding Test for UHV AC Pilot Project
- High VoltageApparatus Vol. 46, Issue 2, Pages: 1-4(2010)
- 作者机构：
  
  南方电网超高压输电公司检修试验中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.02.003
  CLC： TM862
- Published：2010
- 稿件说明：
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[1]田庆.特高压交流试验示范工程单相人工接地短路实测恢复电压分析[J].高压电器,2010,46(02):1-4.

TIAN Qing. Analysis on the Measured Recovery Voltage in Artificial Single-Phase Grounding Test for UHV AC Pilot Project[J]. High voltageapparatus, 2010, 46(2): 1-4.
[1]田庆.特高压交流试验示范工程单相人工接地短路实测恢复电压分析[J].高压电器,2010,46(02):1-4. DOI： 10.13296/j.1001-1609.hva.2010.02.003.

TIAN Qing. Analysis on the Measured Recovery Voltage in Artificial Single-Phase Grounding Test for UHV AC Pilot Project[J]. High voltageapparatus, 2010, 46(2): 1-4. DOI： 10.13296/j.1001-1609.hva.2010.02.003.

摘要

分析了国家电网公司特高压交流试验示范工程单相人工接地试验实测恢复电压的特点

探讨了相应的线路单相重合闸方案

指出数值合适的高抗和中性点小电抗对限制恢复电压幅值非常有效

高补偿度的特高压线路具有较低拍频频率

有利于潜供电弧熄灭

提出在积累充足数据和进一步研究后

可进一步完善百万伏线路单相重合闸方案。

Abstract

The characteristic of recovery voltage of transmission line in artificial single phase grounding test for 1 000 kV UHV Pilot Project of State Grid Corporation of China is analyzed

and the corresponding single-phase reclosing scheme is discussed.It is found that the amplitude of recovery voltage can be restricted if the shunt compensators and neutral grounding reactor are set properly.The UHV transmission line with higher compensation level has lower beat frequency

which facilitates suppression of the secondary arc current.The single-phase reclosing scheme can be further improved when sufficient data is collected and subsequent research is done.

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