Analysis on Insulation Structure of Converter Transformer

DENG Ying

doi:10.13296/j.1001-1609.hva.2011.10.011

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Analysis on Insulation Structure of Converter Transformer

更新时间：2025-04-26

- Analysis on Insulation Structure of Converter Transformer
- High VoltageApparatus Vol. 47, Issue 10, Pages: 53-59(2011)
- 作者机构：
  
  西安西电变压器有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.10.011
  CLC： TM42
- Published：2011
- 稿件说明：
移动端阅览
[1]邓颖.换流变压器绝缘结构分析[J].高压电器,2011,47(10):53-59.

DENG Ying. Analysis on Insulation Structure of Converter Transformer[J]. High voltageapparatus, 2011, 47(10): 53-59.
[1]邓颖.换流变压器绝缘结构分析[J].高压电器,2011,47(10):53-59. DOI： 10.13296/j.1001-1609.hva.2011.10.011.

DENG Ying. Analysis on Insulation Structure of Converter Transformer[J]. High voltageapparatus, 2011, 47(10): 53-59. DOI： 10.13296/j.1001-1609.hva.2011.10.011.

摘要

换流变压器的绝缘结构是换流变压器的核心技术

关系到换流变压器和直流输电系统的安全运行。换流变压器在直流系统中的特殊工况

决定了其主绝缘、阀侧出线装置承受了不同于交流变压器的电压作用。笔者从换流变压器绝缘结构中承受的电压入手

分析了绝缘结构中电压分布以及不同绝缘材料在不同电压下的作用与配合。随着特高压直流输电技术的发展及应用

换流变压器的绝缘结构为满足电约束、机械约束以及热约束存在的要求

交直流电场的研究关系到换流变压器成败的关键。

Abstract

The insulation structure of converter transformer is its core technology

and it relates to the safety operation of converter transformer and DC transmission system.The special operation condition of converter transformer in DC system determine its main insulation and the valve side barrier system will withstand the voltage which is different from the AC transformer.This paper firstly presents the voltage withstood by insulation structure of converter transformer and then analyzes the voltage distribution in the insulation structure as well as the coordination of insulation material under different voltages.With the development and application of technology for UHV DC transmission

the insulation structure of converter transformer shall meet the electric

mechanical and thermal requirements

so the research of AC and DC combination electric field are the key of converter transformer.

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