New Electric Drive System for Loss Reduction by Changing Motor Winding Connection

This paper proposes a new electric drive system that achieves both loss reduction and a wide range of speed-torque characteristics by switching the number of winding turns equivalently in low- and high-speed regions with the use of a single semiconductor switch. Through simulation, the efficiency of...

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Bibliographic Details
Main Authors: Hashizume, Ryoya, Kinjo, Hirofumi, Okamoto, Ryotaro, Hayashi, Yuji, Akama, Sadahiro
Format: Report
Language:English
Online Access:Request full text
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Summary:This paper proposes a new electric drive system that achieves both loss reduction and a wide range of speed-torque characteristics by switching the number of winding turns equivalently in low- and high-speed regions with the use of a single semiconductor switch. Through simulation, the efficiency of the system is verified in comparison with that of a conventional system in WLTC mode in a 200 kW system. In addition, the operational and control validity of the system is verified through an experiment in the 19 kW prototype system.
ISSN:0148-7191
2688-3627