| 一种直流供电系统电力电容的在线测量方法 |
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| 引用本文： | 曾国宏,王立文.一种直流供电系统电力电容的在线测量方法[J].北京交通大学学报(自然科学版),1998,22(6). |
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| 作者姓名： | 曾国宏 王立文 |
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| 作者单位： | 北方交通大学机械与电气工程学院 |
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| 摘 要： | 提出了一种测量直流供电系统电容的简便方法，该方法在不影响系统正常运行的前提下，精确、在线地完成测量过程．通过在线获取ＲＣ电路的电压波形，并对波形进行分析，从系统诸多未知参数中获取电容值．这种方法不需要改变供电系统的结构，也不需要系统处于断电状态，可应用于解决直流电力电缆对地（或屏蔽）电容的测量问题．
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| 关 键 词： | 电容，测量，供电系统 |
An On-line Method of Power Capacitance Measurement for DC Power Supply System |
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| Zeng Guohong,Wang Liwen.An On-line Method of Power Capacitance Measurement for DC Power Supply System[J].JOURNAL OF BEIJING JIAOTONG UNIVERSITY,1998,22(6). |
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| Authors: | Zeng Guohong Wang Liwen |
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| Abstract: | A new method is presented to solve the problem of capacitance measurement of a running DC power supply system. By sampling the voltage of a constructed RC circuit transition period, and analyzing the wave form, capacitance is obtained from all of the systematic unknown parameters. This method is proved to be simple but accurate and convenient, and is also feasible for capacitance measurement between the DC power line and the earth or the shield of power cable. |
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| Keywords: | capacitance measurement power supply system |
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