| 一种附加直流电源漏电保护器的研制 |
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| 引用本文： | 高赟. 一种附加直流电源漏电保护器的研制[J]. 工矿自动化, 2010, 36(4) |
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| 作者姓名： | 高赟 |
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| 作者单位： | 西安科技大学电气与控制工程学院,陕西,西安,710054 |
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| 基金项目： | 陕西教育厅资助项目(09JK568) |
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| 摘 要： | 分析了煤矿井下中性点不接地供电系统对地绝缘电阻的基本要求,给出了附加直流电源检测对地绝缘电阻的原理与保护方法;在此基础上介绍了一种附加直流电源漏电保护器的软、硬件设计方案。实验和实际运行结果表明,该附加直流电源漏电保护器误差较小,能够满足煤矿井下电网的漏电保护要求。
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| 关 键 词： | 矿井 电网 漏电保护 附加直流电源 绝缘电阻 单片机 |
Development of a Leakage Protector with Additional DC Source |
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| GAO Yun. Development of a Leakage Protector with Additional DC Source[J]. Industry and Automation, 2010, 36(4) |
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| Authors: | GAO Yun |
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| Affiliation: | School of Electrical and Control Engineering of Xi'an University of Science and Technology/a>;Xi'an 710054/a>;China |
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| Abstract: | Basic requirements of insulation resistance between isolated neutral power supply system of coal mine underground and ground were analyzed and principle and protection method of detecting insulation resistance by additional DC source were given.On the basis,a design scheme of software and hardware of leakage protector with additional DC source was introduced.The results of experiment and actual running showed that the leakage protector has small error and can meet requirement of leakage protection of underg... |
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| Keywords: | mine power network leakage protection additional DC source insulation resistance single-chip microcomputer |
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