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This paper describes a new direct torque control algorithm for interior permanent-magnet synchronous motor (IPMSM) to improve the performance of hysteresis direct torque control (HDTC). The algorithm uses the output of two hysteresis controllers used in the traditional HDTC to determine two adjacent active vectors. It also uses the magnitude of the torque(More)
In this paper, a model for permanent magnet synchronous motors to deal with high-frequency emissions from an inverter system is proposed and analyzed. The model permits study of the common-mode (CM) effects on the motor line currents. The experimental measurements show that the CM stray capacitors are not affected by rotor magnet positions. The simulated(More)
An artificial neural network (ANN) based controller for permanent magnet synchronous motor (PMSM) under direct torque control (DTC) algorithm is proposed to minimize the torque ripples associated with hysteresis direct torque control (HDTC). In this system, the stator flux position, stator flux error and developed torque error are used to select two active(More)
This paper proposes a compound passive filter topology to reduce torque ripples and harmonic noises in permanent magnet synchronous motor (PMSM) derived by field oriented control. The compound filter has two tuning frequency setting points, one at inverter switching frequency and the other at some average selected frequency. The filter topology is(More)
In this paper, a new hybrid filter topology is proposed to reduce torque ripples, voltage harmonics and electromagnetic interference (EMI) noises in permanent magnet synchronous motor (PMSM) with direct torque hysteresis controllers. The filter topology consists of IGBT active filter (AF),LC filter in the primary side and trap filter in the secondary side(More)
In this paper, the impact of suddenly applied dc pulse voltages to the cable-inverter combination is investigated from transient resonance point of view. Irrespective of the rise time, the analysis and simulation ensure the over voltage problem with long cables. A model for cable and Permanent Magnet Synchronous Motor (PMSM) to deal with high frequency(More)
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