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Most marine applications, from ships to drilling platforms, are increasingly using power electronics for motor drives and HVDC power conversion for shore to platform transmission. IEEE Working group i8 is well along in developing a standard for control/protection architecture for power electronics converters. In this digital age control/protection technology is advancing rapidly and substantial improvements...
DC drives are still very important especially for low voltages and low power (e.g. in cars and robots). In this paper a Cuk-derived (one- and two-quadrant) converter is analyzed which makes it possible to control the voltage across the machine (and therefore the speed) from zero to three times of the input voltage. The model of the drive, the design of the devices, and some experimental results are...
This paper focuses on direct torque control (DTC) for three-phase AC electric drives. A novel model predictive control scheme is proposed that keeps the motor torque, the stator flux, and (if present) the inverter's neutral point potential within given hysteresis bounds while minimizing the switching frequency of the inverter. Based on an internal model of the drive, the controller predicts several...
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