Temperature Analysis of Three-Phase 15kW Switched Reluctance Motor Based on Motor_CAD ANSYS Software
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Abstract
An electrical motor that utilizes the principle of magnetic reluctance to generate motion is called a Switched Reluctance Motor (SRM). It has a simple structure with a stator and rotor having salient poles and winding only in the stator. SRMs don’t have permanent magnets on the rotor, unlike traditional motors. This paper introduces the temperature analysis of a three-phase, 15kW, 18/12 stator/rotor poles SRM using RMXprt (analytical software, and Motor_CAD software, which is based on LPTN (Lumped Parameter Thermal Network). Cooling strategies, such as water, fins, and spray, are examined to mitigate temperature rise. The analysis encompasses varying load conditions, which are also considered, allowing for a comprehensive evaluation of their temperature effects on the SRM. Motor losses, such as mechanical losses, copper losses, and core losses, are considered the source of SRM heat, which was determined by RMXprt software. Furthermore, this paper presents the efficiency analysis of SRM by changing the number of phases. The temperature analysis by Motor_CAD presents the distribution of temperature on various parts of the motor, such as housing, shaft, rotor yoke, rotor poles, stator yoke, stator poles, and stator winding. The results of this analysis aim to contribute valuable information for optimizing the design and operation of SRM, particularly in terms of thermal management, efficiency, and overall reliability.
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