摘要: In the paper selected results of study low speed range Permanent Magnet Synchronous Motor (PMSM) sensorless drive are presented. This uses position estimator, which is based on back electromotive force (BEMF) observer. The was tested by simulation and in laboratory. It works properly especially projected speed, covers a single revolutions per second. Proper performance achieved new control structure using reference model. Such model whole drive, contains motor, controller currents controllers (in general, there no need to include an inverter model), additional elements, as “rotator”, developed for such structure. To calculation it used Model Reference Adaptive System (MRAS)
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