| 一种新型接地电阻测量仪 |
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| 引用本文： | 刘明,黄徽.一种新型接地电阻测量仪[J].华中师范大学学报(自然科学版),1997,31(1):47-51. |
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| 作者姓名： | 刘明 黄徽 |
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| 作者单位： | 华中师范大学物理系 |
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| 摘 要： | 介绍了一种最新研制的接地电阻自动测量仪。该测量仪利用数学逻辑控制由模拟开关和电阻组成的并联电网络，自动调节测量回路中的对地电位，并通过相敏电路检测电位平衡，从而实现了接地电阻的自动测量。
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| 关 键 词： | 接地电阻 相敏电路 测量仪 电气设备 |
A NEW MEASURER FOR GROUND RESISTANCE |
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| Liu Ming,Huang Hui,Zhu Shaowen,Xiao Shisong,Liu Rong.A NEW MEASURER FOR GROUND RESISTANCE[J].Journal of Central China Normal University(Natural Sciences),1997,31(1):47-51. |
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| Authors: | Liu Ming Huang Hui Zhu Shaowen Xiao Shisong Liu Rong |
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| Abstract: | This paper presents a new measurer for ground resistance.Using digital logic circuit to control the parallel network of analog switches and resistances ,the voltage to ground is automatically regulated to reach equilibrium tested by phase sensitive circuit,and so the measurer takes an automatic measurement of ground resistance. |
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| Keywords: | ground resistance automatic measurement analog switch phase sensitive circuit |
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