为避免同步电动机失步运行的情况，提出了一种基于同步电动机功角测量的新的失步保护方案。
This paper analyzes how the non - probe exciter of synchro motor works and functions on the basis of the no.
在一定控制脉冲频率下，步进电动机可能出现振荡与失步现象，严重影响步进电动机的运行，要严格防止这种情况发生。
When stepping motor works in some pulse frequency, it may have the problem of oscillation and miss of synchronization, so it should be avoided at full steam.
即实现了电动机高精度运行，又解决了同步电动机的易失步问题。
Motor running high-precisely and avoiding loss of synchronism are both realized.
通过对电力系统异步运行状态的分析，提出了利用振荡中心电压的变化特征来判断系统失步的失步解列装置。
Through analysis of the out of step operation of power systems, a new out of step splitting device is proposed.
针对永磁同步电动机在他控式变频调速运行方式下的失步和效率问题，通过对功角特性及稳定性分析，提出了一种功角闭环控制策略并详细阐述了该控制策略的理论依据。
In view of this problem, under the analysis of power-angle characteristics and stability, a power-angle closed-loop control strategy was proposed and its theoretical basis was presented in detail.
失步解列作为保证电力系统安全运行的重要措施，是保证整个电网不致完全崩溃的最后一道防线。
Out-of-step splitting which is an important measure to assure safe running of power system, is the last line of defence to assure the whole power network not to collapse completely.
失步解列作为保证电力系统安全运行的重要措施，是保证整个电网不致完全崩溃的最后一道防线。
Out-of-step splitting which is an important measure to assure safe running of power system, is the last line of defence to assure the whole power network not to collapse completely.
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