Application of Pulse Voltage to Polarity Testing for Potential Transformer

XU Zhen; ZHU Peng; CHU Guowei; OU Chuangang; XU Zhike

doi:10.13296/j.1001-1609.hva.2014.10.045

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Application of Pulse Voltage to Polarity Testing for Potential Transformer

更新时间：2025-04-26

- Application of Pulse Voltage to Polarity Testing for Potential Transformer
- High VoltageApparatus Vol. 50, Issue 10, Pages: 116-120(2014)
- 作者机构：
  
  1. 江苏省电力公司常州供电公司
  2. 东南大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.10.045
  CLC： TM451
- Published：2014
- 稿件说明：
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[1]许箴,朱鹏,褚国伟,欧传刚,徐志科.脉冲电压在电压互感器极性测试中的应用[J].高压电器,2014,50(10):116-120.

XU Zhen, ZHU Peng, CHU Guowei, et al. Application of Pulse Voltage to Polarity Testing for Potential Transformer[J]. High voltageapparatus, 2014, 50(10): 116-120.
[1]许箴,朱鹏,褚国伟,欧传刚,徐志科.脉冲电压在电压互感器极性测试中的应用[J].高压电器,2014,50(10):116-120. DOI： 10.13296/j.1001-1609.hva.2014.10.045.

XU Zhen, ZHU Peng, CHU Guowei, et al. Application of Pulse Voltage to Polarity Testing for Potential Transformer[J]. High voltageapparatus, 2014, 50(10): 116-120. DOI： 10.13296/j.1001-1609.hva.2014.10.045.

摘要

电压互感器（PT）二次侧接线极性正确与否关系到继电保护装置能否正确动作

关系到整个电力系统的稳定运行。为适应智能电网的建设要求

研制电压互感器二次侧极性智能测试装置显得十分必要。传统的通正弦交流电压的方法

微处理器采样时

需要分析一次、二次电压的相位

且存在时钟同步、数据量处理较大等问题。笔者提出了一种新的PT极性判别方法

该方法在互感器一次侧施加脉冲电压

根据二次侧感应电压波形来检测二次侧接线正确性。

Abstract

Whether the secondary side wiring polarity of potential transformer（PT） is correct or not is related to the correct operation of protection devices

and affect the operation stability of the entire power system. To meet the requirements of the smart grid construction

it is very necessary to develop the intelligent secondary side wiring polarity testing device of potential transformer. The traditional method of sinusoidal AC voltage

needs to analyze the primary and secondary voltage phase when microprocessor sampling. What’s more

the clock synchronization issues also exist and microprocessor needs to process a large amount of data. In this paper

we bring forward a new method: according to the secondary induced voltage waveforms to detect the secondary side wiring by applying pulse voltage transformer primary side.

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