| 基于低频叠加法的矿用低压电缆在线监测研究 |
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| 引用本文： | 苏文,宋建成,许春雨,李传扬,高崧耀.基于低频叠加法的矿用低压电缆在线监测研究[J].煤炭技术,2014(5):176-178. |
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| 作者姓名： | 苏文 宋建成 许春雨 李传扬 高崧耀 |
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| 作者单位： | 太原理工大学煤矿装备与安全控制山西省重点实验室;太原供电公司 |
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| 基金项目： | 国家高技术研究发展计划(863计划)(2012AA06A405);山西省科技重大专项(20111101024) |
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| 摘 要： | 低频叠加法可实现对矿用低压电缆绝缘的在线监测,能够反映各种不对称故障,具有良好的故障选择性。利用电容电流补偿法对低频电流进行处理,可得到电缆的阻性电流,获取电缆绝缘电阻参数,实现对电缆绝缘水平的实时监测。
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| 关 键 词： | 低频叠加 在线监测 电容电流 MATLAB |
Research on On-line Monitoring of Low Voltage Cable for Coal Mine Based on Method of Low-frequency Superposition |
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| SU Wen;SONG Jian-cheng;XU Chun-yu;LI Chuan-yang;GAO Song-yao.Research on On-line Monitoring of Low Voltage Cable for Coal Mine Based on Method of Low-frequency Superposition[J].Coal Technology,2014(5):176-178. |
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| Authors: | SU Wen;SONG Jian-cheng;XU Chun-yu;LI Chuan-yang;GAO Song-yao |
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| Affiliation: | SU Wen;SONG Jian-cheng;XU Chun-yu;LI Chuan-yang;GAO Song-yao;Shanxi Key Laboratory of Coal Mining Equipment and Safety Control, Taiyuan University of Technology;Taiyuan Power Supply Company; |
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| Abstract: | The method of low-frequency superposition can achieve on-line monitoring insulation of low voltage cable for coal mine.It can report various asymmetric faults and has a good fault selection.Based on the method of capacitive current compensation, low frequency current is processed.Then it can get impedance current and insulation resistance parameters of low voltage cable,achieving real-time monitoring insulation level of cables. |
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| Keywords: | low-frequency superposition on-online monitoring capacitive current MATLAB |
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