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一、概述松木坪电厂2号机系武汽厂生产的N2535-1型汽轮机组,调速系统为KT3型二级放大全液压式,如图1所示。机组于1972年投产发电。从试车到投运后的数年中,其调速系统曾多次发生恶性事故,给机组安全稳发带来严重威胁。为此,本厂针对调速系统在设计、制造和安装上存在的问题,进行了一系列改进,并取得良好效果,为其系统的完善
First, an overview of Song Muping plant No. 2 Wu Wuchang plant steam turbine plant production, speed control system for the KT3 type two full-hydraulic amplification, shown in Figure 1. The unit was put into operation in 1972. A few years after its commissioning and commissioning, its speed governing system has repeatedly had a serious accident, posing a serious threat to the safety and stability of the crew. To this end, the factory for speed control system in the design, manufacture and installation of existing problems, conducted a series of improvements and achieved good results, to improve its system