PCP/ESP program features 31
PCP/ESP program features
Contents of this chapter
This chapter describes the functions within the control program that are specific to
PCP/ESP applications, how to use them and how to program them to operate.
Overview of PCP/ESP control program
The Progressive cavity pumping (PCP)/ Electric submersible pumping (ESP) control
program is a drive application program used in oil pump stations and other related
areas that require pumping of viscous liquids. The control program includes functions
for protection of the pump and optimization of production rates.
• Protection is provided by monitoring selectable input signals. The control
program can shut down the pump during conditions that could harm the
equipment.
• Optimization is performed through automatic pump speed adjustments based on
control set points and limits.
The PCP application uses Direct torque control (DTC) with speed reference in rpm or
Prpm. The ESP application uses scalar control with the speed reference in Hz.
The PCP/ESP control program also features an automatic backspin control feature
that prevents the unit from uncontrolled reverse rotation caused by back flow of fluid.
See Pump backspin control (page 47).
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