Multiphase system supplied by PWM VSI. A new technic to compute the duty cycles
Communication avec acte
Author
SEMAIL, EricHAUTIER, Jean-Paul KESTELYN, XavierAbstract
When multi-phase machines with magnetic couplings between phases are supplied by triangle intersection PWM, there are parasitic currents. To solve the problem, it is necessary to use Space Vector Modulation. A SVM extended to systems with arbitrary number of phases is proposed. Optimization of time computation and consideration of switching constraints have been considered. Experimental results are given for a vectorial control of a 5-phase machine.
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