On-line detection and analysis on excitation current of brush of large turbine generator

WEI Jing-wei; WU Hui-yan; NIU Ye; HUANG Quan-quan; YE Qian-qian

doi:10.13873/J.1000-9787(2016)08-0033-04

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On-line detection and analysis on excitation current of brush of large turbine generator

更新时间：2025-09-11

- On-line detection and analysis on excitation current of brush of large turbine generator
- Vol. 35, Issue 8, Pages: 33-36(2016)
- 作者机构：
  
  哈尔滨理工大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)08-0033-04
  CLC： TM311
- Published：2016
- 稿件说明：
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[1]魏静微,武会延,牛野,黄全全,叶倩倩.大型汽轮发电机励磁碳刷电流在线检测与分析[J].传感器与微系统,2016,35(08):33-36.

WEI Jing-wei, WU Hui-yan, NIU Ye, et al. On-line detection and analysis on excitation current of brush of large turbine generator[J]. 2016, 35(8): 33-36.
[1]魏静微,武会延,牛野,黄全全,叶倩倩.大型汽轮发电机励磁碳刷电流在线检测与分析[J].传感器与微系统,2016,35(08):33-36. DOI： 10.13873/J.1000-9787(2016)08-0033-04.

WEI Jing-wei, WU Hui-yan, NIU Ye, et al. On-line detection and analysis on excitation current of brush of large turbine generator[J]. 2016, 35(8): 33-36. DOI： 10.13873/J.1000-9787(2016)08-0033-04.

摘要

大型汽轮发电机励磁碳刷的排列紧密

其相互之间的干扰问题相当严重

导致碳刷电流测量不准确。为了更准确地测量碳刷电流

采用磁屏蔽环方法减少相互之间的影响

并针对4路碳刷电流采用ANSYS进行电磁数值仿真分析和验证

在工程实践中得到了应用。可保证碳刷电流测量的准确性。

Abstract

Excitation brush of large turbine generator arrange densely

interference between them is very serious

which leads to current carbon measurements of brushes inaccuratly. In order to measure current of carbon brushes more accurately

use Magnetism shielding ring to reduce impact between each other

simulation analysis and verification are carried out by ANSYS for four path carbon brushless electric current

and it has been applied in engineering practice. It is shown that the measurement current of carbon brushes are correct.

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references

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