| 大型同步电动机失步保护装置的故障分析 |
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| 引用本文： | 周理,何荣荣. 大型同步电动机失步保护装置的故障分析[J]. 大电机技术, 2005, 0(5): 46-49 |
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| 作者姓名： | 周理 何荣荣 |
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| 作者单位： | 1. 上海第二工业大学电子电气工程学院,上海,201209
2. 上海理工大学,上海,200093 |
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| 摘 要： | 叙述了同步电动机带励或失励失步保护装置的原理及其故障分析.在同步电动机失步或同步振荡的情况下,分析了3个有延时的继电器在时间上互相配合出现的问题和造成的三种不同错误状况,并在此基础上做了相应的改进.
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| 关 键 词： | 同步电动机 励磁装置 失步信号 继电器 |
| 文章编号： | 1000-3983(2005)05-0046-04 |
| 收稿时间： | 2004-06-07 |
| 修稿时间： | 2004-06-07 |
Fault Analysis for the Out-of-step Protection of Large Synchronous Motor |
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| ZHOU Li,HE Rong-rong. Fault Analysis for the Out-of-step Protection of Large Synchronous Motor[J]. Large Electric Machine and Hydraulic Turbine, 2005, 0(5): 46-49 |
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| Authors: | ZHOU Li HE Rong-rong |
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| Abstract: | The principle and fault analysis for the out-of-step protection of synchronous motor with and without excitation are presented in this paper. Problems and faults occurred in the matching of three kinds of delay time relays when the motor is out of step or oscillating in step are analysed. On this basis, the relays are improved. |
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| Keywords: | synchronous motor excitation device out-of-step signal, relay |
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