Publicação: Inverter-fed linear asynchronous machine
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The behaviors of an arc-shaped stator induction machine (the sector-motor) and a disc-secondary linear induction motor are analyzed in this work for different values of the frequency. Variable frequency is produced by a voltage source controlled-current inverter which keeps constant the r.m.s. value of the phase current, also assuring a sinusoidal waveform. For the simulations of the machine developed thrust, an equivalent circuit is used. It is obtained through the application of the one-dimensional theory to the modeling. The circuit parameters take into account the end effects, always present is these kind of machines. The phase current waveforms are analyzed for their harmonic contents. Experimental measurements were carried out in laboratory and are presented with the simulations, for comparison.
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Computer simulation, Electric inverters, Induction motors, Mathematical models, Natural frequencies, Networks (circuits), Rotors (windings), Squirrel cage motors, Stators, Voltage control, Arc shaped stator induction machine, Disc secondary linear induction motor, Phase current waveforms, Voltage controlled current inverter, Linear motors
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Inglês
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Proceedings of the Mediterranean Electrotechnical Conference - MELECON, v. 2, p. 1170-1174.
