ANALYSIS OF COLLECTOR-RINGS' FIRE ACCIDENT OCCURRED ON GENERATRER AND PREVENTION THEREOF
|更新时间:2025-09-28
|
ANALYSIS OF COLLECTOR-RINGS' FIRE ACCIDENT OCCURRED ON GENERATRER AND PREVENTION THEREOF
Thermal Power GenerationVol. 38, Issue 10, Pages: 85-88(2009)
作者机构:
西安热工研究院有限公司
作者简介:
基金信息:
DOI:
CLC:TM311
Published:2009
稿件说明:
移动端阅览
CHEN Cang, CAO Hao-jun Xi'an Thermal Power Research Institute Co Ltd. ANALYSIS OF COLLECTOR-RINGS' FIRE ACCIDENT OCCURRED ON GENERATRER AND PREVENTION THEREOF[J]. Thermal power generation, 2009, 38(10): 85-88.
DOI:
CHEN Cang, CAO Hao-jun Xi'an Thermal Power Research Institute Co Ltd. ANALYSIS OF COLLECTOR-RINGS' FIRE ACCIDENT OCCURRED ON GENERATRER AND PREVENTION THEREOF[J]. Thermal power generation, 2009, 38(10): 85-88.DOI:
ANALYSIS OF COLLECTOR-RINGS' FIRE ACCIDENT OCCURRED ON GENERATRER AND PREVENTION THEREOF
摘要
对发电机碳刷与集电环接触不良而引发的集电环环火及其导致的发电机大轴灼伤的过程进行了分析
认为碳刷与集电环接触不良引发了局部打火
造成集电环温度升高
励磁电流在碳刷间分配不均
进而导致环火。对此
提出了防止集电环环火事故发生的预防措施。
Abstract
The collector-rings' fire accident resulted from bad contact between carbon brushes and collector-rings on the generator and burnt process on main shaft of the generator have been analysed.It is believed that the local sparks resulting from bad contact between carbon brushes and collector-rings make the temperature of collector-rings to be risen
the non-uniform distribution of excitation current among carbon brushes leads further to fire accident on collector-rings
thereby
preventive measures for occurrence of fire accident on collector-rings have been presented.