| 三相电动机缺相保护实用方法 |
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| 引用本文： | 姜华,王金波.三相电动机缺相保护实用方法[J].煤矿机械,2006,27(8):154-156. |
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| 作者姓名： | 姜华 王金波 |
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| 作者单位： | 黑龙江科技学院,电信学院,哈尔滨,150027 |
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| 摘 要： | 造成三相电动机损坏的主要原因是缺相启动和运行。针对不同的电源条件并结合多年实践经验给出了2种三相电动机缺相保护电路图,并分析了这2种保护电路的工作原理和优缺点。
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| 关 键 词： | 缺相 功率因数 接触器 |
| 文章编号： | 1003-0794（2006）08-0154-03 |
| 收稿时间： | 2006-06-27 |
| 修稿时间： | 2006年6月27日 |
Practical Phase-lacking Protection to Three-phase Motor |
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| JIANG Hua,WANG Jin-bo.Practical Phase-lacking Protection to Three-phase Motor[J].Coal Mine Machinery,2006,27(8):154-156. |
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| Authors: | JIANG Hua WANG Jin-bo |
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| Affiliation: | Heilongjiang Institute of Science and Technology, Harbin 150027, China |
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| Abstract: | The major reason that cause the three - phase motor to damage is phase - lacking runing and start . Gaves out 2 kinds of three - phase motors phase - lacking protection circuit picture in according to the different power supply conditions and combine many years practice experience, analyses the working principles and the advantages and disadvantages of these 2 kinds of protection circuits. |
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| Keywords: | phase - lacking power factor contactor |
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