Design and performance analysis of novel multiphase induction motor with die-cast copper rotors using FEA for electric propulsion vehicles applications

Sathishkumar Kaliyavarathan, Sivakumaran T.S.

Circuit World

ISSN: 0305-6120

Article publication date: 6 April 2020 

Issue publication date: 7 October 2020

Abstract

Purpose

The purpose of this paper is to study the development of novel multiphase induction motor (MPIM) with copper die cast rotor in the drive system of electric propulsion vehicles (EPV). It is estimated that the manufacturers are concerned about high torque,Efficiency, motor life, energy conservation and high thermal tolerance. To ensure maximum torque and efficiency with multiphase winding and copper die cast technology to increasing high thermal tolerance, life, energy conversations. On other hand, it is very important of EPV application.

Design/methodology/approach

The focus of the investigation is threefold: the modified method carried out on MPIM both stator and rotor can overcome the current scenario problem facing by electric vehicles manufacture and developed perfect suitable electric motor for EPV applications. The design and simulation carried out finite element method (FEM) that was more accurate calculations. Finally developed prototype model of MPIM with copper die cast are discussed with conventional three phase Die casting Induction motor.

Findings

The paper confirmed the multiphase copper die-cast rotor induction motor (MDCrIM) is providing better performance than conventional motor. Proposed motor can bring additional advantage like heat tolerances, long life and energy conversations.

Originality/value

The experiments confirmed the MDCIM suitable for EPV Applications. The modified MDCIM of both stator and rotor are giving better result and good performance compared to conventional method.

Keywords

Figure 1 six phase induction motor
Figure 1 six phase induction motor
Figure 2 3-phase and 6 phase winding configuration
Figure 2 3-phase and 6 phase winding configuration
Figure 4 Six phase Induction Motor and Copper die casting Rotor
Figure 4 Six phase Induction Motor and Copper die casting Rotor
Figure 5 Squirrel Cage induction motor Mesh model
Figure 5 Squirrel Cage induction motor Mesh model
Figure 6 Flux plot of the 3-phase machine
Figure 6 Flux plot of the 3-phase machine
Figure 8 Flux density of the 3-phase machine
Figure 8 Flux density of the 3-phase machine
Figure 9 Flux density of the 6-phase machine
Figure 9 Flux density of the 6-phase machine
Figure 10 Current of the 6-phase Die Casting machine
Figure 10 Current of the 6-phase Die Casting machine
Figure 13 Six phase copper Die casting IM torque
Figure 13 Six phase copper Die casting IM torque
Figure 15 6-phase DCTIM Torque Ripple
Figure 15 6-phase DCTIM Torque Ripple
Figure 17 Physical structure of Load test
Figure 17 Physical structure of Load test

References
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Further reading

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Bangura, J.F. and Demerdash, N.A. (1999b), “Diagnosis and characterization of effects of broken rotor bars and connectors in squirrel-cage induction motors by a timestepping coupled finiteelement- state space modeling approach”, IEEE Transactions on Energy Conversion, Vol. 14
No. 4, pp. 1167-1175.

Bangura, J.F. and Demerdash, N.A.O. (2000), “Effects of broken bars/end-ring connectors and airgap eccentricities on Ohmic and core losses of induction motors in ASDs using a
coupled finite element-state space method”, IEEE Transactions on Energy Conversion, Vol. 15 No. 1, pp. 40-47.

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adjustable speed drives applications”, Presented at the Naval Symposium on Electric Machines, Newport, RI,

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