A. Feshin, E. Popkov, A. S. Adalev, V. Kuchinskiy, L. A. Koshcheev
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The Macromodel of a Six-Phase Synchronous Machine with Combined Excitation for Electric Power Systems Processes Study
A macromodel of a six-phase synchronous machine has been developed in the phase coordinate system, which is excited by a magnetic flux from both the field winding and permanent magnets. Equations are presented that describe the electromagnetic and electromechanical processes in such a machine. The effect of permanent magnets on the phase windings is taken into account by a harmonic approximation of the induced EMF. A short circuit simulation at the field winding terminals of a six-phase synchronous motor with combined excitation is carried out. The results obtained prove the efficiency of the proposed macromodel.