| 磁场的智能数字测量系统原理和设计 |
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| 引用本文： | 赵书涛,李宝树,郝志芳. 磁场的智能数字测量系统原理和设计[J]. 电力科学与工程, 2001, 0(2): 66-68 |
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| 作者姓名： | 赵书涛 李宝树 郝志芳 |
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| 作者单位： | 1. 华北电力大学电力系,
2. 阳泉供电局, |
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| 摘 要： | 介绍用霍尔效应测量磁场的原理和方法。设计了使用霍尔传感器测量磁场的硬件电路和主程序框图 ,同时详细分析了不平衡电动势的自动补偿电路和自动量程切换技术实现的方法。本智能磁场测量系统既适合测量直流磁场 ,又可测量交变磁场 ,且体积小 ,性能高 ,适用频率范围宽。
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| 关 键 词： | 霍尔效应 磁场测量 自动补偿 量程切换 |
| 文章编号： | 1006-6705(2001)02-0066-3 |
| 修稿时间： | 2001-01-03 |
Principle and Design of Intelligent Measuring System on Magnetic Field |
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| ZHAO Shu-tao ,LI Bao-shu ,HAO Zhi-fang. Principle and Design of Intelligent Measuring System on Magnetic Field[J]. Power Science and Engineering, 2001, 0(2): 66-68 |
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| Authors: | ZHAO Shu-tao LI Bao-shu HAO Zhi-fang |
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| Affiliation: | ZHAO Shu-tao 1,LI Bao-shu 1,HAO Zhi-fang 2 |
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| Abstract: | The principle and method of measuring flux density by HUOER effect are introduced in the paper.The hardware circuit and software main frame are designed for measuring flux density with HUOER sensor.In the meantime,the imbalance potential compensation circuit and self-switch technique of measurement range are discussed in detail.It can not only measure DC current magnetic field but also alternative current magnetic field.This system has small volume,high capability,and wide frequency range. |
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| Keywords: | HUOER effect measuring flux density potential compensation self-switch technique of measurement range |
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