Excitation Characteristics Test of UHV Bushing-type Current Transformer

YAN Dong; WANG Wei; HAN Jin-hua; YANG Xiao-hui; WANG Li-nan; LIU Zong-pu

doi:10.13296/j.1001-1609.hva.2010.04.014

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Excitation Characteristics Test of UHV Bushing-type Current Transformer

更新时间：2025-04-26

- Excitation Characteristics Test of UHV Bushing-type Current Transformer
- High VoltageApparatus Vol. 46, Issue 4, Pages: 1-4(2010)
- 作者机构：
  
  河南电力试验研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.04.014
  CLC： TM452
- Published：2010
- 稿件说明：
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[1]闫东,王伟,韩金华,杨晓辉,王立楠,刘宗濮.特高压套管式电流互感器励磁特性测试[J].高压电器,2010,46(04):1-4.

YAN Dong, WANG Wei, HAN Jin-hua, et al. Excitation Characteristics Test of UHV Bushing-type Current Transformer[J]. High voltageapparatus, 2010, 46(4): 1-4.
[1]闫东,王伟,韩金华,杨晓辉,王立楠,刘宗濮.特高压套管式电流互感器励磁特性测试[J].高压电器,2010,46(04):1-4. DOI： 10.13296/j.1001-1609.hva.2010.04.014.

YAN Dong, WANG Wei, HAN Jin-hua, et al. Excitation Characteristics Test of UHV Bushing-type Current Transformer[J]. High voltageapparatus, 2010, 46(4): 1-4. DOI： 10.13296/j.1001-1609.hva.2010.04.014.

摘要

为了判断电流互感器的质量以及是否能为保护装置提供正确的信号

笔者对电流互感器进行了励磁特性测试。介绍了在1 000 kV南阳开关站对特高压套管式电流互感器进行励磁特性测试的情况

并对测试结果进行了分析

得出

对于普通的特高压套管式电流互感器

采用传统交流仪表法与采用各种测试仪得到结果一致性较好;对于带暂态保护的TPY套管式电流互感器

在现场可以采用降低电源频率的方法实现测试。

Abstract

In order to estimate the quality of current transformer and the ability of providing the correct signal to protection derices

the test of excitation characteristics of current transformer was canied out

and the test of bushing-type current transformer applied in 1 000 kV Ultra High Voltage（UHV for short）system AC Nanyang switch-gear station was introduced.Moreover

the test result has been analyzed.It is concluded that for the ordinary UHV bushing current transformer

the results using the traditional methed are consistent with the results using a variety of tester.For the transient protection of the TPY tube-type current transformer

the test can be achieved by reducing power frequency.

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