On-Off Level Control In Dual Pump Station

On-Off Level Control In Dual Pump Station

On/off switching is the most common capacity control in use. It has many disadvantages such as flow surges that often hinder processing, high friction losses, and high electricity peak demand charges.
However, on/off control is simple and can be economical, as its consequences do not require redesign to accommodate the limitations of on/off control.
Pumps that are controlled only by starting and stopping are said to be constant-speed (CS) pumps.

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