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Recently, the use of permanent magnet (PM) motors has expanded remarkably as a result of improvements in the performance of the rare-earth PM motor. However, it is desirable to reduce the use of rare-earth materials, which are an important aspect of the high-performance PM motor, because of the high cost and the unpredictability involved in procuring such materials. The performance of motors that...
This paper proposes a control method of permanent-magnet synchronous motor (PMSM) drive system based on direct torque control (DTC) in high speed region. In high speed region, when the magnet flux of the PMSM is relatively weak, maximum torque per flux (MTPF) control is used for wide-speed-range operation. In the DTC-based motor drive system, the reference torque and the reference flux are required...
In the motor drives working group of Cooperative Study Group on Applications of Power Electronics Simulations of IEEJ, standard models for simulation of motor drive systems are discussed. This paper provides a standard motor model of induction motor drive systems with parameters. Parameters of more than 30 induction motors have been gathered, and tendency of the parameters have been also investigated...
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