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http://dx.doi.org/10.6113/TKPE.2010.15.2.142

Maximum Torque per Ampere Control of Interior Permanent Magnet Synchronous Motor based on Signal Injection  

Kim, Sung-Min (서울대 전기컴퓨터공학부)
Sul, Seung-Ki (서울대 전기컴퓨터공학부)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.15, no.2, 2010 , pp. 142-149 More about this Journal
Abstract
Interior Permanent Magnet Synchronous Motor(IPMSM) have gained an increasing popularity in recent years for a variety of industrial applications, because of their high power density, high efficiency and possibility of flux weakening operation. Because the efficiency of IPMSM is one of the important performance characteristic, the Maximum Torque Per Ampere(MTPA) operating method has been indispensible. In theory, MTPA operating point can be calculated using the exact values of the machine parameters. However, the values of the IPMSM parameters are known to vary widely according to the operating condition. Therefore, to operate the IPMSM in the MTPA operating point, the machine parameters should be estimated in real-time. In this paper, the new MTPA operating method based on the signal injection is presented. By injecting the high frequency current signal, the MTPA operating criteria can be calculated by measuring the input power to IPMSM. The proposed method can find the MTPA operating point with simple signal processing regardless of the parameter variation.
Keywords
IPMSM; Maximum Torque per Ampere Control; Signal Injection;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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