| 比例电流放大器及其在微电流互感器校验中的应用 |
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| 引用本文： | 肖效民,杨传旺,赵义林.比例电流放大器及其在微电流互感器校验中的应用[J].电测与仪表,2002,39(6):51-52,55. |
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| 作者姓名： | 肖效民 杨传旺 赵义林 |
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| 作者单位： | 1. 运城市中心医院,山西,运城,044000
2. 哈尔滨电工仪表研究所,哈尔滨,150040 |
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| 摘 要： | 介绍了利用运算放大器组成的电流放大器的原理、电路，并用此电路扩大互感器校验仪的量限，用来解决二次电流为毫安级电流互感器的误差测试。实践证明此方法是可行的。
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| 关 键 词： | 电流放大器 电流互感器 校验仪 误差 测量 |
| 文章编号： | 1001-1390(2002)06-0051-02 |
Ratio current amplifier and its application in the calibration for mini-current transformer |
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| Xiao Xiaomin,Yang Chuanwang,Zhao Yilin.Ratio current amplifier and its application in the calibration for mini-current transformer[J].Electrical Measurement & Instrumentation,2002,39(6):51-52,55. |
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| Authors: | Xiao Xiaomin Yang Chuanwang Zhao Yilin |
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| Abstract: | The paper introduces the principle and the circuit compositions of the electric current amplifier composed by calculation amplifier.The electric circuit can be used to enlarge the measuring limit of the inductor calibration instrument so as to examine the measuring error of the electric current inductor with mA-class secondary electric cur-rent. |
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| Keywords: | electric current amplifier current transformer calibrator error measurement |
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