Control method and device for water drainage system of top cover of hydraulic generator

The invention provides a control method and device for a hydraulic turbine generator top cover drainage system, and relates to the technical field of hydroelectric generation, the hydraulic turbine generator top cover drainage system controls starting and stopping of a top cover drainage pump based...

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Bibliographische Detailangaben
Hauptverfasser:	WANG SEN, ZHU BIN, YANG HAOJIA, YANG JINGXI, CHEN JIANGDONG, LIANG JIONG, DONG ZHILEI, LI DONGSHUANG, WEI JUNPIN, YANG XUERONG, GENG LINLEI, LI WANJUN, AN WENFENG, CHEN LUOYIN, LUO ZHENGPAN, CAI CHUO, ZHANG WEI, WANG GUANGCHENG, LI LEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PRODUCING MECHANICAL POWER PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The invention provides a control method and device for a hydraulic turbine generator top cover drainage system, and relates to the technical field of hydroelectric generation, the hydraulic turbine generator top cover drainage system controls starting and stopping of a top cover drainage pump based on a floater liquid level meter and an electrode type liquid level switch, and the top cover drainage pump comprises a main pump and a standby pump; a liquid level meter signal of the floater liquid level meter serves as an analog quantity, an electrode type liquid level switch signal of the electrode type liquid level switch serves as a switching value, and a main pump starting water level for starting a main pump, a standby pump starting water level for starting a standby pump and pump stopping water levels of the main pump and the standby pump are determined; and when the switching value pump stopping water level signal is not reset, a switching value main pump starting water level signal, a switching value stan