Abstract
Permanent magnet synchronous motors (PMSMs) have superior features such as less volume and weight, long-life, high performance compared to induction motors. In this study, a comparative design of PMSMs is provided by considering a 2.2 kW induction motor nameplate parameters which is commonly used in industrial applications. A parametric analysis is used in order to design stator slot and magnet geometries of Surface-Mounted Permanent Magnet Synchronous (SPM) and Interior Permanent Magnet (IPM) Motors to get the high efficiency, low torque ripple. Ansys@Maxwell-2D software using time stepping finite element method is utilized to verify the advantages of designed motors compare to induction motors. In addition, material consumptions of both PMSMs and induction motor are compared to show the effectiveness of proposed motors in mechanically. It is shown that designed SPM and IPM motors have higher efficiency, lower torque ripple and volume than that of induction motors.
Highlights
THE IDEA of obtaining the required flux from magnets to produce the necessary torque in electrical machines is based on the 20th century [1,2,3]
The objective of this paper is to present permanent magnet synchronous motors (PMSMs) advantages compared to induction motor for low-power industrial applications
In order to see the performance of designed motors compared to reference induction motor, both permanent magnets (PMs) motors and induction motor have been analyzed through the ANSYS@ Maxwell software in transient time step
Summary
THE IDEA of obtaining the required flux from magnets to produce the necessary torque in electrical machines is based on the 20th century [1,2,3]. The high performance PMSMs which have a higher torque/power ratio can be designed using highly energy intensive magnets such as Neodymium-Iron-Boron (NdFeB) and Samarium-Cobalt (SmCo) magnets [5]. The permanent magnet synchronous motors (PMSMs) have superior features compared to induction motors such as high efficiency, less mechanical noise, direct drive, high https://orcid.org/0000-0002-3173-5611. The rotor has permanent magnets (PMs) to produce the required torque as well as flux instead of excitation windings in PMSMs; the efficiency do increase due to elimination of copper losses and the operation and maintain costs reduces in PMSMs. That’s why they are highly preferred in industrial applications [11,12]
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