Economical analysis of twospeed reformation and parallel operation of water circulating pumps

Huadian Technology ›› 2009, Vol. 31 ›› Issue (11): 3-5.

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Economical analysis of twospeed reformation and parallel operation of water circulating pumps

ZHANG Ying

Hebei Electric Power Research Institute, Shijiazhuang 050021, China

Received:1900-01-01 Revised:1900-01-01 Online:2009-11-25 Published:2009-11-25

Abstract

Abstract: The working principle of water circulating pumps, which had been twospeed reformed and operate in parallel mode, was theoretically analyzed. Combining with the performance test of the twospeed water circulating pumps in parallel operation, by using the minimum annual operation expenses method, the economical efficiencies of three parallel operation schemes were compared, providing a foundation for energysaving operation of water circulating pumps.

Key words: water circulating pumps, performance test, parallel, minimum annual operation expenses method

ZHANG Ying. Economical analysis of twospeed reformation and parallel operation of water circulating pumps[J]. Huadian Technology, 2009, 31(11): 3-5.

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Economical analysis of twospeed reformation and parallel operation of water circulating pumps

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