Improvement of Electronic Transformers Based on Quasi Power-free Mode

LIU Zhong-zhan1; WANG Wei2; ZHENG Lin2; LI Yuan2; YU Wei2; ZHANG Chao-lei1

doi:10.13296/j.1001-1609.hva.2011.10.017

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Improvement of Electronic Transformers Based on Quasi Power-free Mode

更新时间：2025-04-26

- Improvement of Electronic Transformers Based on Quasi Power-free Mode
- High VoltageApparatus Vol. 47, Issue 10, Pages: 93-96(2011)
- 作者机构：
  
  1. 西安华伟光电技术有限公司
  2. 绵阳市电业局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.10.017
  CLC： TM452.93
- Published：2011
- 稿件说明：
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[1]刘忠战,王伟,郑林,李源,余伟,张超雷.有源电子式互感器实现准无源化的改进[J].高压电器,2011,47(10):93-96.

LIU Zhong-zhan1, WANG Wei2, ZHENG Lin2, et al. Improvement of Electronic Transformers Based on Quasi Power-free Mode[J]. High voltageapparatus, 2011, 47(10): 93-96.
[1]刘忠战,王伟,郑林,李源,余伟,张超雷.有源电子式互感器实现准无源化的改进[J].高压电器,2011,47(10):93-96. DOI： 10.13296/j.1001-1609.hva.2011.10.017.

LIU Zhong-zhan1, WANG Wei2, ZHENG Lin2, et al. Improvement of Electronic Transformers Based on Quasi Power-free Mode[J]. High voltageapparatus, 2011, 47(10): 93-96. DOI： 10.13296/j.1001-1609.hva.2011.10.017.

摘要

"自励源"是一种日臻完善的电子式互感器高压侧自供电技术

它可以实现有源电子式互感器的"准无源化"

早期投运且依靠激光送能方式在线运行的电子式互感器

普遍存在寿命周期短、运行不稳定等弊端。笔者介绍了将激光送能改进为全自励源运行的原理和方法

记述了对于110 kV整站技术改进的全过程。经过改进的电子式电流互感器简化了系统结构

免去对送能装置的定期维护要求

提高了运行的稳定性

预期寿命周期将会增长

是一种值得推广的电子式互感器电源技术方案。

Abstract

Self-excitation power supply is a perfect self-powered technology for high-voltage side of electronic transformers.It can translate the active electronic transformer into quasi power-free mode.Conventional electronic transformers powered laser have such shortcomings as short life-cycle and unstable operation.This paper discusses the principle and method of changing the laser-powered mode to the self-excitation power supply

and describes the whole improvement of a 110 kV substation.After the improvement of the electronic current transformer

its system structure is simplified;the periodic maintenance of the power supply equipment is dispensed with;the working stability is enhanced;and hence the expected life cycle will be increased.

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