| 简析电子热继电器在桥式起重机中的应用 |
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| 引用本文： | 吴桂敏.简析电子热继电器在桥式起重机中的应用[J].有色矿冶,2010,26(3):63-64,82. |
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| 作者姓名： | 吴桂敏 |
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| 作者单位： | 中国有色(沈阳)冶金机械有限公司,辽宁,沈阳,110141 |
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| 摘 要： | 文章介绍了一种由传感器和PLC组成的新型电子热继电器保护装置在桥式起重机中的应用。该保护装置对桥式起重机的三相异步电动机起到保护作用,具有过流、过热、断相等保护功能。性能可靠、稳定,可有效地对异步电动机进行保护,大大减少电动机在使用中的故障。
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| 关 键 词： | 传感器 PLC 保护装置 |
Electronic Thermal Relay in the Application of the Bridge Crane |
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| WU Gui-min.Electronic Thermal Relay in the Application of the Bridge Crane[J].Non-Ferrous Mining and Metallurgy,2010,26(3):63-64,82. |
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| Authors: | WU Gui-min |
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| Affiliation: | WU Gui-min[NFC(Shenyang) Metallurgical Machinery Co.,Ltd.,Shenyang 110141,China] |
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| Abstract: | This paper presented a new type of monolithic sensor and PLC motor thermal relay protection device in the application of the bridge crane,overhead cranes on the three-phase asynchronous motor has protective effects of motor over-current,overheating,breaking phase and so on.The reliability and stabilization was offering effective protection for asynchronous motor,greatly reducing motor failures in practice. |
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| Keywords: | PLC |
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