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In variable speed applications based on induction motor (IM) drives, two types of popular control strategies are distinguished: rotor flux oriented control (RFOC) and direct torque control (DTC). This paper investigates an experimental evaluation of four control strategies for two-level three-phase inverter fed IM drives, namely: (i) RFOC with current-controlled PWM, (ii) RFOC with voltage-controlled...
The uses of induction motor is ever-growing day by day because of its superiority and high efficiency over dc machine. So for wide range of use in the industry, this machine requires an efficient driver circuitry arrangement. Currently conventional Voltage Source Inverter (VSI) or Current Source Inverter (CSI) is dealing as key part in the field of induction motor driver circuit. These converters...
This article presents the result of an inverter switching loss minimization technique based on discontinuous PWM patterns for a salient-pole PMSM with a two-level voltage source inverter for an automotive application. The suggested PWM patterns are evaluated using the resulting electromagnetic torque considering peak-to-peak ripple as well as the DC-current harmonic spectra. The study focuses on high...
The main idea of this paper is a steady of power exchange in a Doubly Fed Induction Machine (DFIM), operating in motor mode, and supplied with two PWM inverters in both sides. An active power distribution law between the stator and rotor is developed and the adequate rotor and stator inverters ratings are studied. This active power distribution law imposes a connection between rotor and stator frequencies...
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