Heat Analysis of Hydro Generator Excitation Carbon Brush Slip Ring and Pressure Experiment

doi:10.3969/j.issn.1672-6952.2017.06.008

Journal of Liaoning Petrochemical University ›› 2017, Vol. 37 ›› Issue (6): 40-43.DOI: 10.3969/j.issn.1672-6952.2017.06.008

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Heat Analysis of Hydro Generator Excitation Carbon Brush Slip Ring and Pressure Experiment

Du Juan¹， Zhang Cheng²， He Yandong¹， Bao Jin3^

1.School of Mechanical Engineering，Liaoning Shihua University，Fushun Liaoning 113001，China； 2.Benxi Cogeneration Branch Company，SPIC Northeast Electric Power Co.,Ltd.，Benxi Liaoning 117000，China； 3. SPIC Fushun New Asia Power Co.,Ltd.，Fushun Liaoning 113006，China

Received:2017-02-23 Revised:2017-08-21 Published:2017-12-20 Online:2018-02-27

水轮发电机励磁碳刷滑环发热分析及压力试验

杜娟¹,张铖²,何延东¹,包金³

1.辽宁石油化工大学机械工程学院,辽宁抚顺113001;2.国家电投东北电力有限公司本溪热电分公司,辽宁本溪117000; 3.国家电力投资集团公司抚顺新亚电力有限公司,辽宁抚顺113006

作者简介:杜娟(1983-),女,硕士,讲师,从事工程图学、水轮机运行及维护方面的研究;E-mail:dujuan0921@163.com。
基金资助:
国家自然科学基金项目(51303075)。

Abstract

Abstract: Carbon brush and slip ring were important parts of the generator excitation system. Due to some factors, the phenomenon of carbon brush getting high temperature or wearing affected the safe generator operation seriously. The force of pressure spring was got on carbon brush by experiment, pressure values of both 8 positive carbon brush and 8 negative carbon brush in two generators were analyzed, the pressure spring pressure of two generators carbon brush was compared, reasons of brush getting high temperature were got , and proposals for change were given.

Key words: Carbon brush, Compression spring, Pressure, Heat, Wear

摘要： 碳刷和滑环是发电机励磁系统的重要组成部分。在发电机运行过程中,由于一些因素经常会出现碳刷发热、磨损的现象,严重影响发电机的安全运行。通过试验测试碳刷的受力情况,对两台发电机正极和负极各8块碳刷上的压簧压力进行分析,比较了两台发电机碳刷上的压簧压力,分析了碳刷发热、磨损的原因,并给出了更换建议。

关键词: 碳刷, 压簧, 压力, 发热, 磨损

Du Juan, Zhang Cheng, He Yandong, Bao Jin. Heat Analysis of Hydro Generator Excitation Carbon Brush Slip Ring and Pressure Experiment[J]. Journal of Liaoning Petrochemical University, 2017, 37(6): 40-43.

杜娟, 张铖, 何延东, 包金. 水轮发电机励磁碳刷滑环发热分析及压力试验[J]. 辽宁石油化工大学学报, 2017, 37(6): 40-43.

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Heat Analysis of Hydro Generator Excitation Carbon Brush Slip Ring and Pressure Experiment

水轮发电机励磁碳刷滑环发热分析及压力试验

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