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The subject of this paper is a comparative study between two supply modes of a permanent magnet synchronous motor (PMSM). The goal is to obtain a better efficiency for a hydraulic pump drive system. The machine (PMSM) is operated in vector control mode. The inverter is controlled with a sinusoidal pulse-width modulation (SPWM) technique. The study will allow to increase the root mean square (RMS)...
To suppress the phase current distortions of the inverter in permanent-magnet synchronous motor (PMSM) drive, an effective online approach for dead-time compensation of the inverter control using a simple disturbance voltage estimator is proposed. The dead-time elimination scheme does not depend on some undesirable characteristics of inverter, such as dead-time, turn-on/off time of switching devices,...
This paper presents the performance investigation of a self- controlled PMSM drive with a single phase current controlled PWM rectifier at the front end and a PWM inverter at the rear end feeding the PMSM. The front end PWM rectifier ensures unity power factor operation at the input and sinusoidal current drawn from the supply. This results in minimal current harmonics being injected into the supply...
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