Optimum operation of a single-pump plant
Pumping systems - Overall cost and outlook
Article REF: J2912 V1
Optimum operation of a single-pump plant
Pumping systems - Overall cost and outlook

Author : Jean POULAIN

Publication date: December 10, 2004 | Lire en français

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2. Optimum operation of a single-pump plant

Variable-flow system with a single pump.

LCC has shown us that the major costs in a pumping installation are energy and maintenance costs. We have seen [J 2 910] § 2.3) how to choose a pump that gives very good efficiency at the nominal point. We'll now look at ways of reducing energy consumption outside the nominal operating point.

2.1 Means for adjusting pump flow rate

The purpose of the following study is to compare different flow control systems and the energy losses they entail. It is carried out for a pump, as average and as ordinary as possible, so as to highlight not the pump, but the flow control...

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