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This paper analyzes the dynamic performance of FOC induction machines operating under current and voltage constraints. FOC rely on the proper performance of the inner current control loops. The capability of the machine to increase its torque can be seriously compromised due to the inverter voltage and current limits, which affect to the current regulator transient response. This can be especially...
At present, vector control (VC) has been widely used in the interior permanent magnet synchronous motor (IPMSM). However, for the difference between direct and quadrature inductances and the difference of control characteristics between d-q axes current loop PI regulators, the dynamic decoupling can not be achieved, which affects the torque dynamic response and the quick startup of motor. For this...
This paper presents current regulation algorithm for permanent magnet AC machines that provides smooth transition in the entire field-weakened region. The algorithm offers robust and simple current regulation with maximum torque capability for permanent magnet AC machines despite significant changes in the voltage source and machine parameters. The algorithm identifies when the machine enters field-weakened...
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