Study on the Conducted Coupling Effect Way Through the Electronic Transformer Under Transient Electromagnetic Interference

XIN Weifeng; WANG Dong; KOU Xiaoshi; FU Haijin; LI Peng; GENG Yingsan; ZHANG Guogang

doi:10.13296/j.1001-1609.hva.2017.04.026

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Study on the Conducted Coupling Effect Way Through the Electronic Transformer Under Transient Electromagnetic Interference

更新时间：2025-04-26

- Study on the Conducted Coupling Effect Way Through the Electronic Transformer Under Transient Electromagnetic Interference
- High VoltageApparatus Vol. 53, Issue 4, Pages: 164-170(2017)
- 作者机构：
  
  1. 国网河南省电力公司电力科学研究院
  2. 国网河南省电力公司商丘供电公司
  3. 西安交通大学电力设备电气绝缘国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.04.026
  CLC： TM45
- Published：2017
- 稿件说明：
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[1]辛伟峰,王栋,寇晓适,付海金,李朋,耿英三,张国钢.暂态电磁干扰通过电子式互感器的传导耦合效应研究[J].高压电器,2017,53(04):164-170.

XIN Weifeng, WANG Dong, KOU Xiaoshi, et al. Study on the Conducted Coupling Effect Way Through the Electronic Transformer Under Transient Electromagnetic Interference[J]. High voltageapparatus, 2017, 53(4): 164-170.
[1]辛伟峰,王栋,寇晓适,付海金,李朋,耿英三,张国钢.暂态电磁干扰通过电子式互感器的传导耦合效应研究[J].高压电器,2017,53(04):164-170. DOI： 10.13296/j.1001-1609.hva.2017.04.026.

XIN Weifeng, WANG Dong, KOU Xiaoshi, et al. Study on the Conducted Coupling Effect Way Through the Electronic Transformer Under Transient Electromagnetic Interference[J]. High voltageapparatus, 2017, 53(4): 164-170. DOI： 10.13296/j.1001-1609.hva.2017.04.026.

摘要

为了研究开关操作产生的特快速暂态过程（VFT）通过电子式互感器的传导耦合效应

需要求解其高频传递函数。为此

提出了一种求解电子式电流互感器（ECT）高频传递函数的新方法。首先根据其物理结构尺寸确立ECT的高频分布参数模型

用矢量匹配法（vector fitting method）

采用有理函数拟合其频域传递函数

并且进行适当的降价处理

最后利用该传递函数计算了VFT通过ECT传导耦合到采集器端口的干扰电压。通过一个实例的仿真计算和测量验证了该方法的有效性。

Abstract

For an accurate simulation of the conducted coupling effect caused by very fast transients（VFT）

solving the high frequency transfer function of the electronic current transformers（ECT）is of vital importance. In this paper

a new method for solving the high frequency transfer function of ECT is proposed. Firstly

according to the physical structure size of ECT

the high frequency distribution parameter model of ECT is established. The frequency response is approximated by means of vector fitting method using rational function consisting of real poles as well as complex conjugate poles and zeros

and the order of the transfer function is reduced according to the practical needs. At last

the conducted coupling interference voltage to the collector port is calculated by the transfer function. The simulation and the measurement results of a real ECT confirm the validity of the proposed method.

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