水轮机调速器是整个水力发电过程的参与者和执行者，频繁的控制和调节使其成为水力发电系统中故障多发的设备之一。为此，在大岗山水电站水轮机调速器的选型中开展了一系列试验，以检测运行中水轮机调速器的工作状态及性能。最终选定了4台全数字式PFWST-150-6-3调速器，与水电站计算机监控系统相配合，可完成对发电机组的控制运行。对调速器的结构、工作原理及主要设备参数进行了介绍。%Turbine governor plays a significant role in the whole hydropower generation, and is one of fault-prone equipments due to the frequent control and regulation. A series of tests for selection of turbine governor in Dagangshan Hydropower Station were carried out to test the working situation and performance during operation. Finally, 4 PFWST-150 -6. 3 microcomputer governors were chosen to control the operation of generator units by co-working with the computer monitoring system. The paper introduces the structure, type selection, parameters and operation rules of governor in Dagangshan Hydropower Station.
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