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Energies 2018, 11(12), 3383; https://doi.org/10.3390/en11123383

Winding Design and Analysis for a Disc-Type Permanent-Magnet Synchronous Motor with a PCB Stator

1
School of Electrical Engineering and Information, Tianjin University, No. 92 Weijin Road, Tianjin 300072, China
2
Substation Operation and Maintenance Room of State Grid Shenyang Electric Power Supply Company, No. 94 Eight Jing Street, Shenyang 110000, China
*
Author to whom correspondence should be addressed.
Received: 5 October 2018 / Revised: 27 November 2018 / Accepted: 29 November 2018 / Published: 3 December 2018
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Abstract

The stator structure of a disc-type permanent-magnet synchronous motor is a printed circuit board (PCB). The design of stator windings has a direct influence on motor performance and the utilization rate of the stator. However, in some respects, PCB processing technology limits the development of the disc-type electric motor with a PCB stator. For example, the wiring of the stator winding and the connections of the ends are single. In this paper, an improved winding was designed to improve the output power. The analytic expressions for the back electromotive force (EMF) and other parameters such as power, winding resistance, and eddy loss are established, respectively. According to finite-element theory, the characteristics of the improved winding and distributed winding under no load and load were simulated and analyzed. It is concluded that the improved winding not only improves no-load back EMF, along with output power and efficiency under load, but also the utilization rate of the stator was greatly improved. Finally, a prototype was made to verify the design that has a certain reference value for the design of a disc-type permanent-magnet motor with a PCB stator. View Full-Text
Keywords: disc-type electric motor; PCB stator; improved winding; stator utilization rate; finite-element analysis disc-type electric motor; PCB stator; improved winding; stator utilization rate; finite-element analysis
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Wang, X.; Lu, H.; Li, X. Winding Design and Analysis for a Disc-Type Permanent-Magnet Synchronous Motor with a PCB Stator. Energies 2018, 11, 3383.

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