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分析了葛洲坝水电站水轮发电机原有过速保护可靠性的不足和安全方面的隐患,以及纯机械过速保护原理。纯机械过速保护改造补充和完善了保护功能,提高了可靠性和安全性。根据试验和初期运行情况提出了后期改造的建议。
This paper analyzes the shortage of the original over speed protection reliability of Gezhouba Hydroelectric Power Station Hydroelectric Generator and its safety problems as well as the principle of pure mechanical over speed protection. Pure mechanical over speed protection to supplement and improve the protection function, improve the reliability and safety. According to the test and the initial operation of the proposed transformation of the proposal.