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。
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。
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。
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