Analyses on Axial Welding and Electromagnetic Force of Large Capacity Enclosure Type Isolated-phase Bus

YAN Zhaojun; WU Jun

doi:10.13296/j.1001-1609.hva.2015.07.015

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Analyses on Axial Welding and Electromagnetic Force of Large Capacity Enclosure Type Isolated-phase Bus

更新时间：2025-04-26

- Analyses on Axial Welding and Electromagnetic Force of Large Capacity Enclosure Type Isolated-phase Bus
- High VoltageApparatus Vol. 51, Issue 7, Pages: 78-80+86(2015)
- 作者机构：
  
  中国电能成套设备有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.07.015
  CLC： TM645.11
- Published：2015
- 稿件说明：
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[1]严兆君,吴军.大容量离相封闭母线轴向焊接与电动力分析[J].高压电器,2015,51(07):78-80+86.

YAN Zhaojun, WU Jun. Analyses on Axial Welding and Electromagnetic Force of Large Capacity Enclosure Type Isolated-phase Bus[J]. High voltageapparatus, 2015, 51(7): 78-80+86.
[1]严兆君,吴军.大容量离相封闭母线轴向焊接与电动力分析[J].高压电器,2015,51(07):78-80+86. DOI： 10.13296/j.1001-1609.hva.2015.07.015.

YAN Zhaojun, WU Jun. Analyses on Axial Welding and Electromagnetic Force of Large Capacity Enclosure Type Isolated-phase Bus[J]. High voltageapparatus, 2015, 51(7): 78-80+86. DOI： 10.13296/j.1001-1609.hva.2015.07.015.

摘要

随着发电机组容量越来越大

短路故障中离相封闭母线所受电动力也变得更大。在离相封闭母线的相关国家和行业标准中

对母线轴向焊缝焊接要求不明确。文中结合国内某1 250 MWe级核电项目离相封闭母线技术参数

对母线进行了短路故障下的受力分析

同时提出了大容量离相封闭母线轴向焊缝焊接要求建议。

Abstract

The larger the capacity of a generating unit is

the greater the electromagnetic force on the enclosure type isolated-phase bus becomes in short circuit fault condition. In the related national and industrial standards with enclosure type isolated-phase bus

the requirements for axial welding are unclear. In this paper

a force analysis of the enclosure type isolated-phase bus in short circuit condition is conducted for a 1 250 MWe nuclear power project

and some suggestions are provide for axial welding requirements of large capacity enclosure type isolated-phase bus.

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