Innovative Electronic Combined Transformer

JIANG Han-ru; YI Can-jiang; LIU Hua; ZOU Shu-ming; WEN Fang; YANG Fei; XU Liang; XIE Wei

doi:10.13296/j.1001-1609.hva.2013.01.012

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Innovative Electronic Combined Transformer

更新时间：2025-04-26

- Innovative Electronic Combined Transformer
- High VoltageApparatus Vol. 49, Issue 1, Pages: 77-80(2013)
- 作者机构：
  
  湖南电力电瓷电器厂瑞成电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.01.012
  CLC： TM452
- Published：2013
- 稿件说明：
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[1]蒋汉儒,易灿江,刘华,邹淑明,文芳,羊菲,许亮,谢伟.新型电子式组合互感器研究[J].高压电器,2013,49(01):77-80.

JIANG Han-ru, YI Can-jiang, LIU Hua, et al. Innovative Electronic Combined Transformer[J]. High voltageapparatus, 2013, 49(1): 77-80.
[1]蒋汉儒,易灿江,刘华,邹淑明,文芳,羊菲,许亮,谢伟.新型电子式组合互感器研究[J].高压电器,2013,49(01):77-80. DOI： 10.13296/j.1001-1609.hva.2013.01.012.

JIANG Han-ru, YI Can-jiang, LIU Hua, et al. Innovative Electronic Combined Transformer[J]. High voltageapparatus, 2013, 49(1): 77-80. DOI： 10.13296/j.1001-1609.hva.2013.01.012.

摘要

随着国家电网公司坚强智能电网建设脚步的加快

智能变电站建设正在全面铺开。各种电子式互感器（ET）作为传统电磁式互感器的换代产品在试点项目中暴露出了一些问题

尤其是当前应用较多的激光供能型电子互感器

由于高压侧一次转换器供能方式存在问题

降低了运行可靠性。笔者介绍了一种独特的电子式组合互感器（ZET）

该互感器将传统倒立式SF6气体绝缘电流互感器的绝缘结构与新型传感原理结合起来

互感器采用在低压侧地电位直流供电和信号采集方式

大大提高转换器供能稳定性。实际应用证明

该互感器可靠性高、稳定性好、频率响应宽、寿命长

能够解决当前电子式互感器存在的诸多问题

是一种有较好应用前景的新型互感器。

Abstract

In the construction of intelligent substations for the strong Smart Grid

the substitution of various electronic transformers（ETs） for the conventional electromagnetic transformers results in some problems.For example

the hybrid optical current transformer（HOCT）

as the popular electronic current transformer（ECT）

exhibits lower reliability due to its imperfect energy supply mode.This paper presents an innovative electronic combined transformer.Combining the insulation structure of conventional inverted SF6 transformer and the new sensing principle

the present transformer adopts ground potential at low-voltage side for DC power supply and signal acquisition to enhance the reliability of power supply.Test results show that the present transformer is endowed with high accuracy and stability

wide frequency response

and long lifetime.

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