Centrifugal pumping systems comprised of electric motor driven centrifugal pump, electric motor and pre-programmed and programmable variable frequency drive control system for controlling the operation of the electric motor driven centrifugal pump; pre-programmed and programmable variable frequency drive control system for controlling the operation of an electric motor driven centrifugal pump.
Centrifugal pumping systems comprised of electric motor driven centrifugal pump, electric motor and pre-programmed and programmable variable frequency drive control system for controlling the operation of the electric motor driven centrifugal pump; pre-programmed and programmable variable frequency drive control system for controlling the operation of an electric motor driven centrifugal pump.