Abstract
Turning water by electricity of small irrigation pump station is the main water measurement method in the plain irrigation area. Through the calibration of 186 small pumping stations in Zhejiang Province, the coefficient of turning water by electricity and its spatial distribution are determined, and analyzes the influence of pump type, service life and outlet pipe diameter on the coefficient of turning water by electricity. The results show that in terms of spatial distribution, the average coefficient of turning water by electricity in Hangjiahu Plain area is the highest, followed by Xiaoshaoyong plain and the eastern coastal plain area of Zhejiang, and the coefficient of turning water by electricity is the lowest in the mountainous and hilly area and the island area. The coefficient of turning water by electricity of the axial flow pump is higher than that of the mixed flow pump, and has a certain correlation with the service life of pump and outlet pipe diameter.
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