输油系统中变频调速电机和泵类负载效率的计算方法
曹玉泉, 王琼, 李梦达, 孙辉
Calculation of load efficiencies of pumps and variable frequency speed-controlling electric motors in oil-piping system
CAO Yu-quan, WANG Qiong, LI Meng-da, SUN Hui
石油学报
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2005, (2): 107
-110
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DOI: 10.7623/syxb200502025