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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 5 Issue 5, May 2016
A Hybrid Switching Inverter for High -Efficiency Traction Motor Drives
Juluri Shiva Prasad, Narra Narender Reddy
This paper presents a hybrid switch which parallels a power MOSFET and an insulated-gate bipolar transistor (IGBT) as the main switch of a zero-voltage switching (ZVS) inverter. In this combination MOSFET is conducting in the low-current region and the IGBT conducting in the high-current region, and the soft switching avoids the reverse recovery problem during the device turn-on. A custom hybrid switch module has been developed for a variable-timing-controlled coupled-magnetic-type ZVS inverter with a nominal input voltage of 325 V and the continuous output power of 30 kW for a traction motor drive. The results of the hybrid-switch-based inverter with the total loss shows that the inverter achieves 99 % efficiency at the nominal condition and demonstrate ultrahigh-efficiency operation over a wide load range. At 375-V input, the maximum measured efficiency through temperature projection and loss separation analysis is 99.3 %.
Keywords: High efficiency, Electric vehicles, hybrid switch, motor drives, soft-switching inverter
Edition: Volume 5 Issue 5, May 2016
Pages: 222 - 226
How to Cite this Article?
Juluri Shiva Prasad, Narra Narender Reddy, "A Hybrid Switching Inverter for High -Efficiency Traction Motor Drives", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV163285, Volume 5 Issue 5, May 2016, 222 - 226
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