Comparative Analysis of 12/16 Conventional and Proposed C-core Radial Flux SRM Topologies for In-wheel Electric Vehicle Application

In in-wheel Electrical Vehicle (EV) applications, Axial Flux Switched Reluctance Motor (AFSRM) is a more suitable solution compared to Radial Flux Switched Reluctance Motor (RFSRM); due to higher outer diameter to axial length ratio with, lower flux length and higher flux density. Switched Reluctance Motor (SRM) attract more attention due to its Permanent Magnet (PM) free structure. In view of this, C-core RFSRM is proposed; which offers combined advantages of radial and axial flux SRM. In this paper, based on a 12/16 pole three-phase structure, C-core RFSRM is compared with conventional RFSRM. Average torque and phase inductance are calculated with mathematical modeling. Computer Added Design (CAD) is verified with 2D and 3D Finite Element (FE) analysis. Based on simulation result, it has been observed that C-core RFSRM offers higher torque compared to conventional RFSRM; with removable wheel/rotor facility, without disturbing the stator. Prototype hardware is designed for feasibility testing of the proposed C-core RFSRM for in-wheel EV applications.