| 利用交流接触器实现三相电动机缺相保护 |
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| 引用本文： | 刘子荞.利用交流接触器实现三相电动机缺相保护[J].江西煤炭科技,2009(2). |
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| 作者姓名： | 刘子荞 |
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| 作者单位： | 江西省煤田地质局二二七地质队,江西,吉安,343009 |
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| 摘 要： | 本文介绍了如何巧妙利用三相交流接触器的零压、欠压保护功能,实现对三相电动机电源缺相的瞬间保护.与传统的热继电器缺相保护相比,较安全、可靠.
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| 关 键 词： | 电源缺相 电动机 热续电器 交流接触器 烧毁 缺相保护 |
Application of AC Contactor to Realize Phase Break Protection in Three-phase Motor |
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| Liu Ziqiao.Application of AC Contactor to Realize Phase Break Protection in Three-phase Motor[J].Jiangxi Coal Science & Technology,2009(2). |
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| Authors: | Liu Ziqiao |
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| Affiliation: | 227 Geological Team of Jiangxi Coalfield Geology Bureau;Ji'an;Jiangxi 343009 |
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| Abstract: | This paper introduces how to use the zero-pressure and the undervoltage protection of three-phase AC contactor to realize the instantaneous protection in the case of power phase lack in three-phase motor,which is safer and more reliable compared with traditional phase break protection in thermal relay. |
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| Keywords: | power phase lack motor thermal relay AC contactor phase break protection |
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