Electromagnetic Compatibility Detection System of Electronic Transformer Based on Disconnector Switching Operation

LIU Bin; HUANG Hua; TONG Yue; DENG Xiaopin

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Electromagnetic Compatibility Detection System of Electronic Transformer Based on Disconnector Switching Operation

更新时间：2025-12-08

- Electromagnetic Compatibility Detection System of Electronic Transformer Based on Disconnector Switching Operation
- Vol. 44, Issue 3, Pages: 1016-1022(2018)
- 作者机构：
  
  中国电力科学研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 March 2018，
  
  Published：2018
- 稿件说明：
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LIU Bin, HUANG Hua, TONG Yue, et al. Electromagnetic Compatibility Detection System of Electronic Transformer Based on Disconnector Switching Operation[J]. 2018, 44(3): 1016-1022.
DOI：

LIU Bin, HUANG Hua, TONG Yue, et al. Electromagnetic Compatibility Detection System of Electronic Transformer Based on Disconnector Switching Operation[J]. 2018, 44(3): 1016-1022. DOI：

摘要

为深入研究隔离开关分合时产生的暂态强电磁过程对电子式互感器的影响

建立了基于500 k V空气绝缘开关设备（AIS）隔离开关分合操作的电子式互感器电磁兼容检测系统。系统中的高频电流电压组合测量系统采用Rowgowski线圈和电容分压器作为传感器

传感部分和数据采集部分具有良好的电磁屏蔽。对高频电流电压测量系统进行了标定:高频电流测量带宽为1 Hz

0 MHz

高频电压测量带宽为0.1 Hz

0 MHz

满足测量要求。现场实测结果表明:在检测系统上实现了隔离开关分合闸时高频电流、高频电压和电子式互感器输出波形的同时测量

获得了隔离开关分合闸时暂态电流电压典型波形和电子式互感器输出波形。通过波形比对

可实现隔离开关分合操作时电子式互感器受暂态强电磁干扰的影响分析。

Abstract

To investigate the effects of fast transient electromagnetic progress generated by disconnector switching on electronic transformer

we develop an electromagnetic compatibility detection system of electronic transformer based on 500 k V AIS disconnector switching. In the system

the fast transient current and voltage measuring system adopts Rogowski coil and capacitive voltage divider to be sensors. The sensors and data acquisition sections have good electromagnetic shielding property. Moreover

the fast transient current and voltage measuring system is calibrated

showing that the frequency bandwidth of the fast transient current measuring system is in the range of 1 Hz

0 MHz

the frequency bandwidth of the fast transient voltage measuring system is in the range of 0.1 H

0 MHz. These parameters meet the requirements of measurement. Test results of the experimental system prove that the detection system can measure the fast transient current and voltage induced by disconnector switching simultaneously

as well as output waveform of electronic transformer.The effects of fast transient electromagnetic progress generated by disconnector switching on electronic transformer can be realized by waveform intercomparison.

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