从交流励磁发电机的基本方程出发，通过对其矢量图和功率流程的研究，提出了变速恒频的实现方法。
Based on the basic equation of A. C. exciting alternator, the vector chart and power flow chart of the alternator are studied, and a method of variable-speed and constant frequency (VSCF) is proposed.
由于励磁涌流的多变性和不确定性，给基本故障的识别造成困难，因而出现保护误动。
Polytrope and uncertainty of exciting surge make it difficult to identify from faults which result in malfunction of protection.
本文对大型水轮发电机失励磁保护，在动模试验的基础上进行了理论分析；论证了机组在失励和其他特殊运行情况下的基本特性；
This paper, based on the dynamic experiments in the laboratory simulation model, gives a theoretical analysis on loss-of-excitation protection for large hydroelectric generators.
应用推荐