Abstract

The paper deals with the power losses of semiconductor devices of alternative multiphase topology for traction inverters in the automotive industry. Multiphase traction inverters are getting increasingly more attention due to features that make them superior to conventional three-phase topology used nowadays in the automotive industry. Based on key features of multiphase traction inverter topologies, which are enhanced per-phase power management, fault-tolerance capabilities, and decreased size of DC-Link capacitors, are getting the attention of automotive constructors and their suppliers. Power loss calculation is one of the most important aspects of evaluating the estimated efficiency of the proposed topology of the traction inverter. Power Losses are calculated by using the software PLECS.

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