A novel method for rapid efficiency measurement of three phase induction motors

被引:13
作者
Grantham, C [1 ]
Tabatabaei-Yazdi, H [1 ]
Raman, MF [1 ]
机构
[1] Univ New S Wales, Sch Elect Engn, Sydney, NSW 2052, Australia
关键词
three phase induction motors; efficiency measurement; synthetic loading;
D O I
10.1109/60.815052
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper describes a novel method for rapid full load efficiency evaluation of three phase induction motors using the synthetic lending technique, without the need to connect a load to the machine's drive shaft. The new method uses a Digital Signal Processor (DSP) controlled high switching frequency power electronic inverter to synthetically load the induction machine, while using a new real time data acquisition system to accurately determine and record the machine's performance. The method proposed considerably reduces the testing time compared with conventional methods of efficiency measurement and the accuracy of the result is maintained. Moreover the use of the power electronic inverter allows a comprehensive control over all the quantities which determine the rate at which the power is dissipated inside the induction machine. This method can also directly quantify rotational losses of the induction motor under test.
引用
收藏
页码:1236 / 1240
页数:5
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