Abstract

This paper concentrates on an algorithm for steady running prediction of all identical variable speed pumps (VSP) in group close to the best efficiency point (BEP) given by pump manufacturer. Prediction of starting or stopping pumps based on the pressure and variable demand required is also covered. Additional pumps will be activated when the required pressure or demand cannot be met. Optimal pump working (Q, H) areas, most efficient combination between Q, H and different number of pumps and boundaries between them are calculated and visualized. Results provide simple and easy programmable input to adjust pumping station control systems. The usage of the proposed algorithm is illustrated by a case study based on an existing pumping station.

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