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基于双磁环线圈的直流电流的检测
引用本文:盛程潜,叶树江.基于双磁环线圈的直流电流的检测[J].电测与仪表,2009,46(8).
作者姓名:盛程潜  叶树江
作者单位:黑龙江工程学院,电子工程系,哈尔滨,150050
基金项目:哈尔滨市科技攻关计划资助项目 
摘    要:介绍了一种以双磁环线圈作为传感器,同时结合控制电路,实现检测直流的技术手段.在该方式中,将通有直流电流的被测导线穿过双磁环线圈,则该导线在磁环上产生恒定的磁通,同时控制电路在双磁环中加入变化磁通,两部分磁通在每个磁环中形成合成磁通,再将每个磁环中的合成磁通所产生的磁场能经差分运算电路进行差分运算,即可实现检测出导线通过的直流电流.

关 键 词:双磁环  差分电桥电路  差分运算

Direct Current Detection Based on Double Magnetic Ring-coils
SHENG Cheng-qian,YE Shu-jiang.Direct Current Detection Based on Double Magnetic Ring-coils[J].Electrical Measurement & Instrumentation,2009,46(8).
Authors:SHENG Cheng-qian  YE Shu-jiang
Affiliation:SHENG Cheng-qian,YE Shu-jiang(Department of Electronic Engineering,Heilongjiang Institute of Technology,Harbin 150050,China)
Abstract:This article introduced a kind of technical method which took the double magnetic ring-coils as the sensor,and simultaneously combined the control circuit to detect direct current.In this method,the conducting wire in which the detected direct current passed crosses over the double magnetic ring-coils,then it would generate the constant magnetic flux on double magnetic ring-coils,and simultaneously the control circuit would add the changed magnetic flux in the double magnetic ring-coils,and two parts of mag...
Keywords:double magnetic ring  differential bridge circuit  differential-operated  
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