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Field oriented control (FOC) of induction motor (IM) is commonly used in many variable speed drives. Its implementation requires the motor parameters, which are affected by the saturation of the machine. Therefore, a careful estimation of IM parameters is necessary in order to achieve good drive performance. This paper focuses on the finite element analysis of an IM when it is operated with FOC strategy...
The paper presents a detailed sensitivity analysis comparison between two existing low-cost sensorless solutions for induction motor drives. The first solution is a V-type approach, in which the inverter voltage references are calculated from the machine equations instead of obtained as the output of PI current regulators. The scheme is obtained from a standard field oriented control drive by successive...
High performance PMSM drives require accurate selection of the current vector reference to be inputted to a suitable current control algorithm. This work implements a drive prototype with a current vector generation scheme which can be self-adjusted in "quasi real-time" to the actual maximum torque per amps locus. The model doesn't have to rely on computed or estimated motor parameters,...
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