FIELD: machine building.
SUBSTANCE: turbine unit optimal control system comprises: a centrifugal pump, an electric motor, a device to change the speed of the centrifugal pump rotor, an automatic control system providing for the specified centrifugal pump rotor speed, a centrifugal pump rotor speed summer, an automatic controller unit, a pressure sensor at the pump inlet and a pressure sensor at the pump outlet, a centrifugal pump head metre, a liquid flow metre, a heads' comparing element, a unit to define the maximum efficiency lines of the centrifugal pump, a calculator of the maximum efficiency of the centrifugal pump, a unit for the approximation of the efficiency characteristic of the centrifugal pump, a unit for the approximation of the head characteristic of the centrifugal pump.
EFFECT: providing their operation with maximum possible efficiency coefficient irrespective of variation of pipeline characteristic.
1 dwg
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