Control system for centrifugal pumps

Details Control system for centrifugal pumps Control system for centrifugal pumps

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 15/00 (2006.01) F04B 47/02 (2006.01) F04B 49/06 (2006.01) F04D 13/10 (2006.01)

Patent

CA 2442973

A control system for the operation of a centrifugal pump which may be used for production of gas and/or oil from a well. The control system includes vector feedback model to derive values of torque and speed from signals indicative of instantaneous current and voltage drawn by the pump motor, a pump model which derives values of the fluid flow rate and the head pressure for the pump from torque and speed inputs, a pumping system model that derives from the estimated values of the pump operating parameters an estimated value of a pumping system parameter and controllers responsive to the estimated values of the pumping system parameters to control the pump to maintain fluid level at the pump input near an optimum level.

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