| 矿用低压馈电开关中相敏短路保护的研究 |
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| 引用本文： | 高俊岭,王清灵,朱咏梅.矿用低压馈电开关中相敏短路保护的研究[J].工矿自动化,2006(6):54-56. |
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| 作者姓名： | 高俊岭 王清灵 朱咏梅 |
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| 作者单位： | 1. 安徽理工大学,安徽,淮南,232001
2. 上海电子信息职业技术学院,上海,200237 |
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| 摘 要： | 为保障煤矿生产的安全性,煤矿井下低压馈电开关中必须装设过电流保护装置。文章阐述了相敏对称短路保护的工作原理,介绍了以单片机80C196KB为核心、通过相敏整流方法检测、计算功率因数的实施方案。该方案抗干扰性能好,实施电路简单。
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| 关 键 词： | 煤矿 低压馈电开关 相敏短路保护 功率因数 80C196KB |
| 文章编号： | 1671-251X（2006）06-0054-03 |
| 收稿时间： | 2006-09-01 |
| 修稿时间： | 2006年9月1日 |
The Research of Phase-sensitive Short-circuit Protection in Mine-used Low-voltage Feeder Switch |
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| GAO Jun-ling,WANG Qing-ling,ZHU Yong-mei.The Research of Phase-sensitive Short-circuit Protection in Mine-used Low-voltage Feeder Switch[J].Industry and Automation,2006(6):54-56. |
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| Authors: | GAO Jun-ling WANG Qing-ling ZHU Yong-mei |
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| Abstract: | In order to ensure safety of mine production,it is necessary to install over-current protector in underground low-voltage feeder switch.The working principle of phase-sensitive short-circuit protection was presented in this paper,the executive scheme of detecting and calculating power factor by phase-sensitive rectification using single-chip microcomputer 80C196KB as the centrum was introduced.The scheme has advantages of good performance of anti-interference and simple circuit. |
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| Keywords: | coal mine low-voltage feeder switch phase-sensitive short-circuit protection power factor 80C196KB |
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