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Method and An Arrangement for Starting Pumping with A Submersible Centrifugal Pump for Pumping Fluid
A field of controlling pumps and pumping plants and installations, such as electrical devices and installations used for controlling pumps and pumping plants and installations, and more particularly to a method and an arrangement for starting pumping with a submersible centrifugal pump for pumping fluid. In the arrangement for starting pumping with a submersible centrifugal pump for pumping fluid, the arrangement including a submersible centrifugal pump and an electric drive apparatus arranged for controlling the motor of the submersible centrifugal pump, the electric drive apparatus is arranged: for starting an accelerating ramp for ramping up the speed of the motor of the submersible centrifugal pump; for monitoring the torque of the motor of the submersible centrifugal pump versus pump motor speed; and upon detecting a significant increase in the derivate of monitored torque versus pump motor speed, for starting an operational pumping ramp for the motor of the submersible centrifugal pump.
Method and An Arrangement for Starting Pumping with A Submersible Centrifugal Pump for Pumping Fluid
A field of controlling pumps and pumping plants and installations, such as electrical devices and installations used for controlling pumps and pumping plants and installations, and more particularly to a method and an arrangement for starting pumping with a submersible centrifugal pump for pumping fluid. In the arrangement for starting pumping with a submersible centrifugal pump for pumping fluid, the arrangement including a submersible centrifugal pump and an electric drive apparatus arranged for controlling the motor of the submersible centrifugal pump, the electric drive apparatus is arranged: for starting an accelerating ramp for ramping up the speed of the motor of the submersible centrifugal pump; for monitoring the torque of the motor of the submersible centrifugal pump versus pump motor speed; and upon detecting a significant increase in the derivate of monitored torque versus pump motor speed, for starting an operational pumping ramp for the motor of the submersible centrifugal pump.
Method and An Arrangement for Starting Pumping with A Submersible Centrifugal Pump for Pumping Fluid
NISKANEN SIMO (author) / LAATIKAINEN MARIA (author) / RODAS MICHAEL (author)
2024-01-04
Patent
Electronic Resource
English
IPC:
F04D
Strömungsarbeitsmaschinen
,
NON-POSITIVE-DISPLACEMENT PUMPS
/
E03B
Anlagen oder Verfahren zum Gewinnen, Sammeln oder Verteilen von Wasser
,
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
/
H02P
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS
,
Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern
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