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。
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.
出处
《大电机技术》
北大核心
2005年第5期46-49,共4页
Large Electric Machine and Hydraulic Turbine
关键词
同步电动机
励磁装置
失步信号
继电器
synchronous motor
excitation device
out-of-step signal, relay
