专利汇可以提供Method of controlling water wheel for pump专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide smooth operation of hydraulic turbine for pump by detecting terminal voltage across motor and differential level between the upper and lower reservoirs on the basis of which the opening of water flow interrupting mechansim and guide vanes of hydraulic turbine for pump are controlled.
CONSTITUTION: When voltage of pumping-up power plant system is lowered or differential level between the upper and lower reservoirs 1, 6 is reduced lower than a designed value, terminal voltage of motor and differential level between the upper and lower reservoirs 1, 6 are detected to control the opening of water flow interrupting mechanism 3 provided between the hydraulic turbine for pump and the upper reservoir 1 and guide vanes 4 of the hydraulic turbine for pump so that the hydraulic turbine for pump can be smoothly operated without any large damages to electric apparatus in the power plant.
COPYRIGHT: (C)1980,JPO&Japio,下面是Method of controlling water wheel for pump专利的具体信息内容。
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