Methods on increasing current value of transmission line and polarity protection checking for service station transformer by short-circuit test

LI Gang1; XIAO Qi-ping2; AO Fei1; ZOU Xiao-hu3

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Methods on increasing current value of transmission line and polarity protection checking for service station transformer by short-circuit test

更新时间：2025-11-18

- Methods on increasing current value of transmission line and polarity protection checking for service station transformer by short-circuit test
- Vol. 33, Issue 2, Pages: 24-27(2013)
- 作者机构：
  
  1. 湖南省电力公司科学研究院
  2. 国电湖南宝庆煤电有限公司
  3. 湖南省湘电锅炉压力容器检验中心有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM751
- Published：2013
- 稿件说明：
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[1]李刚,肖其平,敖非,邹晓虎.带输电线路升流及厂用变短路校核TA极性[J].湖南电力,2013,33(02):24-27.

LI Gang1, XIAO Qi-ping2, AO Fei1, et al. Methods on increasing current value of transmission line and polarity protection checking for service station transformer by short-circuit test[J]. 2013, 33(2): 24-27.
[1]李刚,肖其平,敖非,邹晓虎.带输电线路升流及厂用变短路校核TA极性[J].湖南电力,2013,33(02):24-27. DOI：

LI Gang1, XIAO Qi-ping2, AO Fei1, et al. Methods on increasing current value of transmission line and polarity protection checking for service station transformer by short-circuit test[J]. 2013, 33(2): 24-27. DOI：

摘要

本文提出一种带输电线路进行一次升流和对厂内变压器进行短路试验检查相应TA

TV回路的方法

并进行短路计算和现场试验。试验方法简单、可靠

既能够检验一次系统的接线

又能够全面地检查二次电流电压回路

解决了新建电厂带负荷校验保护极性的难题。

Abstract

A method of increasing current value of transmission line and checking TA

TV circuit for transformer of service station by short-circuit test is proposed in the paper.Accordingly short-circuit calculation and field test are conducted.The test method is simple and reliable.The wiring of primary system and the secondary loop can be examined comprehensively which solve the problem of polarity protection checking with load in new-builted power plant.

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