一、概况伴随我国水电事业的蓬勃发展,较大容量的高水头混流式水轮发电机组于六十年代后相继出现。由于国内缺乏对该型水轮机的试验研究和设计经验,因此首批投运的这种机组都发生剧烈的振动,影响其正常发电。经过大量的现埸试验和分析并采取了必要的处理措施后,才逐步并网带负荷运行。 I. Overview With the vigorous development of hydropower in our country, a larger capacity of high-head Francis turbine generators have appeared after the 1960s. Due to the lack of experimental research and design experience on this type of turbine in China, the first units put into operation experienced violent vibration and affected their normal power generation. After a large number of current test and analysis and to take the necessary treatment measures, only gradually with the load and operation of the network.