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2019 IEEE International Conference on Information Technologies

Can the Synthesis of DC Motor Cascade Control Parameters be the Same as for the Field-Oriented Controlled Induction Motor

Prof. Goran Rafailovski
Ss. Cyril and Methodius University in Skopje
SRH Hochschule Berlin
Nord Macedonia
Germany
Abstract:

In induction motors, the spatial angle between the stator and rotor flux changes with the load, which creates more complex relations between currents, voltages and fluxes in the machine, as well as oscillatory dynamic responses. Controlling this space angle can ideally be carried out by converting the input stator current into direct id1 - component, responsible for the excitation flux and quadrature component iq1, responsible for the developed electromagnetic torque. This can be achieved by a vector control method that allows for a relatively simple solution to the problem of "coupling" between axes d and q, thus bringing the dynamic IM model closer to the separately-excited DC motor model.

Key words:
induction motor
coupling
decoupling
synthesis
control circuit