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The induction motor has been proven to be one of the most suitable motors for the modern electric vehicle. Nevertheless, there is still an issue for its wider application to electric vehicle propulsion which is the difficulty in providing constant power operation for wide speed range of electric vehicle. Thus the inverter fed multi-phase multi-pole induction motor (MPMPIM) is becoming an attractive option for modern electric vehicle.
This paper presents a way to develop an inverter fed MPMPIM drive for electric propulsion which fulfils its crucial requirements like high starting torque, high power density, high reliability, high efficiency, etc. One of the important features of MPMPIM drive, due to higher number of phases and subsequent decrease in phase current, conduction losses are reduced considerably resulting in cost reduction and cooling with better mileage. With the use of MPMPIM drive technology fault tolerance capability of the electric propulsion system also improves.
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