| 一种无源穿线式电动机保护装置 |
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| 引用本文： | 张宏宇.一种无源穿线式电动机保护装置[J].湖北电力,2012,36(1):40-41. |
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| 作者姓名： | 张宏宇 |
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| 作者单位： | 湖北电力职工疗养院,湖北武汉,430074 |
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| 摘 要： | 用比较器来实现三相电动机的过流、断相、欠相、以及三相电流不平衡保护装置,实现对电动机的综合保护,有效解决目前电动机保护接线复杂的问题,着重介绍了其电路原理和硬件设计。
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| 关 键 词： | 电动机 互感器 无源穿线 |
A Passive Wear-core Type Motor Protection |
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| ZHANG Hong-yu.A Passive Wear-core Type Motor Protection[J].Hubei Electric Power,2012,36(1):40-41. |
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| Authors: | ZHANG Hong-yu |
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| Affiliation: | ZHANG Hong-yu (Hubei Electric Power Staff Sanatorium,Wuhan Hubei 430074,China) |
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| Abstract: | Using comparator as three-phase motor protection to realize the function of over current,break phase,open phase and unbalance current in three phases,achieves the comprehensive protection of motor,which effectively solves the problem of compley connection of present motor protection.The circuit principle and hard ware design were emphasized. |
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| Keywords: | motor transformer passive wear-core type |
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