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Power loss analysis for switched reluctance motor converter by using electrothermal model

By: Xu, Y.; Gu, J.; Chen, H.;

2015 / IEEE


This item from - IEE Periodical - Power, Energy and Industry Applications - The power converter loss in switched reluctance motor system is one of the main reasons affecting system reliability. Therefore a practical electrothermal model is established to calculate the losses based on lookup tables of motor flux linkage and device switching losses. It utilises the thermal RC network to estimate the junction temperature rise. Then, the influences of system factors on the losses are investigated with different control strategies. At last, the device junction temperature rises are present at different rotor speed, and verified by experiments.