PHOTOVOLTAIC PUMP SYSTEM OPTIMAL DESIGN BASED ONORTHOGONAL EXPERIMENT

Wu Xianfang; Yun Tianping; Tan Minggao; Liu Houlin

doi:10.19912/j.0254-0096.tynxb.2020-0948

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (5) : 161-166. DOI: 10.19912/j.0254-0096.tynxb.2020-0948

PHOTOVOLTAIC PUMP SYSTEM OPTIMAL DESIGN BASED ONORTHOGONAL EXPERIMENT

Wu Xianfang¹, Yun Tianping², Tan Minggao², Liu Houlin²

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Abstract

Taking a photovoltaic pump as the research object,a method for calculating and predicting the photovoltaic pump water output is established based on experimental tests and theoretical analysis. The optimization schemes are designed by orthogonal experiment,and the structural parameters of the pump impeller are selected as the optimization variables. The photovoltaic pump performance is optimized and experimentally verified through numerical simulation and experimental research. The research results show that after optimization,the minimum water output value of the photovoltaic pump system drop to 330 W/m²,and the pump daily working time is increased. Compare with that before optimization,the pump outlet pressure pulsation is slightly improved when the light radiation intensity is steady,and the pump outlet pressure pulsation fluctuation amplitude is more stable when the light radiation intensity is transient. After optimization,the low pressure area in the pump impeller inlet is significantly reduced,the pressure at the impeller outlet is significantly increased, and the velocity distribution in the impeller passage is more even.

Key words

photovoltaic / pumps / impellers / flow rate / optimal design

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Wu Xianfang, Yun Tianping, Tan Minggao, Liu Houlin. PHOTOVOLTAIC PUMP SYSTEM OPTIMAL DESIGN BASED ONORTHOGONAL EXPERIMENT[J]. Acta Energiae Solaris Sinica. 2022, 43(5): 161-166 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0948

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