Analysis of an Abnormal GRTS Transfer in DC Double Circuit Transmission System

LI Jinbin; LU Jun; DENG Wanting; QUAN Jiangtao; TU Caiqi

doi:10.13296/j.1001-1609.hva.2015.11.032

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Analysis of an Abnormal GRTS Transfer in DC Double Circuit Transmission System

更新时间：2025-04-26

- Analysis of an Abnormal GRTS Transfer in DC Double Circuit Transmission System
- High VoltageApparatus Vol. 51, Issue 11, Pages: 194-198(2015)
- 作者机构：
  
  1. 国网湖北省电力公司电力科学研究院
  2. 国网湖北省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.11.032
  CLC： TM721.1
- Published：2015
- 稿件说明：
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[1]李劲彬,卢军,邓万婷,全江涛,涂彩琪.同塔双回直流输电系统中GRTS转换异常分析[J].高压电器,2015,51(11):194-198.

LI Jinbin, LU Jun, DENG Wanting, et al. Analysis of an Abnormal GRTS Transfer in DC Double Circuit Transmission System[J]. High voltageapparatus, 2015, 51(11): 194-198.
[1]李劲彬,卢军,邓万婷,全江涛,涂彩琪.同塔双回直流输电系统中GRTS转换异常分析[J].高压电器,2015,51(11):194-198. DOI： 10.13296/j.1001-1609.hva.2015.11.032.

LI Jinbin, LU Jun, DENG Wanting, et al. Analysis of an Abnormal GRTS Transfer in DC Double Circuit Transmission System[J]. High voltageapparatus, 2015, 51(11): 194-198. DOI： 10.13296/j.1001-1609.hva.2015.11.032.

摘要

文中研究所涉实例为国内首次现场采用实施的直流线路同塔双回工程。由于直流线路同塔并架所造成的线路感应电压升高

对换流站中性区域设备和直流开关的影响无可借鉴的历史经验。笔者结合一起GRTS直流开关转换异常事件

研究分析了该类问题的起因与隐患

并提出了相应的反事故措施建议

对今后直流线路同塔并架系统中换流站内设备的绝缘水平设计、运维检修工作均有借鉴意义。

Abstract

This article involves the first DC double circuit transmission project in China. The double parallel lines on the same tower have caused the rise of the transmission line induced voltage. It has affected the neutral zone equipment in the DC field of the convertor station and has no experience reference. The article describes an abnormal GRTS transfer accident

and researches its cause and potential danger. According to the result

the article proposes some anti-accident measures and suggestions. The conclusion is useful both for the design of the equipments’ insulation level and operational maintenance work.

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