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Development and Performance Investigation on 60kW Induction Motor for EV Propulsion
Yon-Do Chun,Byoung-Gun Park,Dong-Jun Kim,Jae-Hak Choi,Pil-Wan Han 대한전기학회 2016 Journal of Electrical Engineering & Technology Vol.11 No.3
This paper summarizes the development process and the investigation of 60kW induction motor for electric vehicle. In the traction motor, performance improvement of an induction motor using copper die-casting based on multi-gate process is presented. The copper die-casting motors can reduce the size of motors, the loss of rotor, and material costs. The electromagnetic, thermal, mechanical design and analysis results are also introduced to satisfy the design and the performance requirements. In order to analyze losses accurately of induction motor, commercial finite element analysis is done considering PWM voltage and thermal characteristics by using lumped-circuit parameters. The experimental tests are also carried out for the validity of EV traction motor design.
Development of a High Speed Induction Motor for Spindle Systems
Do-Kwan Hong,Jae-Hak Choi,Dong-Jun Kim,Yon-Do Chun,Byung-Chul Woo,Dae-Hyun Koo IEEE 2013 IEEE transactions on magnetics Vol.49 No.7
<P>This paper deals with the analysis techniques of a high speed and high efficiency 10 kW, 30 000 rpm rated induction motor. The induction motor has been analyzed by the time-varying magnetic finite element method and the test results show that there is a possibility that the motor could be used in a high speed spindle system application. All performances of the prototype are successfully verified. All analysis techniques are introduced to develop a high speed and high efficiency induction motor made by copper die casting. The analysis techniques are composed of magnetic analysis, structural analysis, critical speed analysis, unbalance response analysis and computational fluid dynamics (CFD). CFD simulation results are compared with the experiment, and are within a 5% deviation.</P>
Development and Performance Investigation on a 60kW Induction Motor for EV Propulsion
Chun, Yon-Do,Park, Byoung-Gun,Kim, Dong-Jun,Choi, Jae-Hak,Han, Pil-Wan,Um, Sukkee The Korean Institute of Electrical Engineers 2016 Journal of Electrical Engineering & Technology Vol.11 No.3
This paper introduces the development process and investigation of a 60kW induction motor for electric vehicles. We present performance improvement in the induction motor of electric vehicle using copper die-casting based on a multi-gate process. Copper die-casting motors can reduce the size of the motor, the loss of the rotor, and material costs. We also introduce electromagnetic, thermal, mechanical design and analysis results that satisfy the design and the performance requirements. In order to analyze losses accurately of induction motor, commercial finite element analysis is done considering PWM voltage and thermal characteristics by using lumped-circuit parameters. Experimental tests are also carried out to validate the traction motor design.