Abstract
In this paper, a novel electric machine, Induction Switched Reluctance Machine (US patent-US20170370296A1) is introduced, and its preliminary performance is evaluated. The innovation is based on placing windings on the rotor, in order to create short magnetic flux paths in the rotor and stator core of the electric machine. As a result, a higher torque with lower copper and iron losses is generated. Like other ideas, there are unknown aspects of this electric machine, such as thermal and mechanical properties, that should be studied. A comprehensive research program is required to analyze and design an Induction Switched Reluctance Machine with an optimized configuration. This electric machine could be designed with different pole numbers and various winding strategies, and it is not possible to consider all configurations and aspects of it in this paper. Moreover, the size and the rated power of the machine can affect its properties. The purpose of this paper is to introduce, simulate and prototype a simple Induction Switched Reluctance Machine. This electric machine has an excellent potential to be implemented in the propulsion system of electric vehicles.
Highlights
Internal combustion engines have been operating as traction motors in different vehicles for decades
The results show that Induction Switched Reluctance Machine (ISRM) produces more torque, compared to the conventional SRM
EXPERIMENTAL RESULTS In order to evaluate the performance of the ISRM for EV application, a high power version of the machine should be developed and tested
Summary
Internal combustion engines have been operating as traction motors in different vehicles for decades. Because of the drawbacks of these engines, such as having low efficiency and being the primary source of air pollution, they will be replaced by electric machines [1]. Designing electric motors for electric vehicle propulsion systems, can profoundly affect the properties of the vehicle. The power, torque, speed, efficiency, noise, vibration, speed range, reliability, robustness, fault tolerance and cost of the electric traction motor can determine the overall properties of the vehicle [2]. There are several candidates to be implemented as traction motor in electric vehicles. The most popular option is Interior Permanent Magnet Synchronous Machine (IPMSM), which has high efficiency and excellent torque density [3]-[7]
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