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In this paper, the average current method is proposed to detect the open-winding fault of three-phase permanent magnet synchronous motors (PMSMs). The characteristics and operational regions are studied. All the methods are implemented in FPGA-based system. The simulation and experimental results are provided to demonstrate the proposed method.
Coordinate Rotation Digital Computer (CORDIC) is usually used to obtain the angle information without any multiply and division operations. The extended electromotive force (extended-EMF) in the literature shows that the angle error between the rotor reference frame and the assumed reference frame can be estimated from an arctangent function and a division. In this paper, the sensorless control for...
In this paper, we compared the traditional and new motor design for DC compressor. A concentrated winding enables a motor be downsized, cost down and improving the motor efficiency. In this paper, we studied the differences in motor characteristics and manufacturing on the different stator windings. For this comparison, we used both computer simulation and experiments
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