Analysis on reasons of lower lubricating oil pressure of 1000MW steam turbine and treatment

Abstract

Abstract: Abstract:In startup process of the 1000MW unit of a power plant, when the rotate speed of the turbine increased to 3000r/min, the lubricating oil pressure became lower, and the currents of the AC lubricating oil pump and the startup oil pump became larger. The unit was shut down for inspection. It was found by inspection inside the lubricating oil box that the plug of the inlet pipe of the oil turbine booster pump from the main oil pump outlet fell out, which caused the output of the oil turbine booster pump of the lubricating oil system to be insufficient. The plug was reinstalled and fixed, and the fault was eliminated.

Key words: Keywords:1000MW steam turbine, lubricating oil system, pressure, main oil pump, turbine booster oil pump, plug

WANG Haibo. Analysis on reasons of lower lubricating oil pressure of 1000MW steam turbine and treatment[J]. Huadian Technology, 2015, 37(2): 59-60.

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Analysis on reasons of lower lubricating oil pressure of 1000MW steam turbine and treatment

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