It is concluded through analysis that some design problems exist in the electrohydraulic governing system, especially the electrical overspeed protection which needs to be further improved.
通过分析，认为国产液压调节机组中的超速保护存在着不足之处，尤其是电气超速保护应该加以改进。
2
Around increasing system reliability, the electrical circuit and function of variable frequency speed-governing system is discussed in this paper.
围绕着提高系统可靠性，讨论了变频调速系统的电气接线及功能。
3
The governing equation, its boundary conditions and computing method for the electrical field induced by seawater flow around axis-symmetric body through geomagnetic field have been developed.