The high-pressure control valve of Weifang power generation Co. LTD unit one turbine happens to jitter during operation, especially in the low opening action, the jitter is more frequent. This situation is serious for the safety and stability of generating unit. This paper analyzes the cause of the high-pressure control valve jitter and formulates effective reconstruction plans. After the reform of the high-pressure control valve, it can maintain stable and normal regulation to ensure the safety and stability of the generating unit.
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