Improvements of the Starting Performance of A Novel Brushless Doubly-fed Motor Based on the Composite Coils

Zhiwei Ruan, Chaohao Kan, Chenglong Chu, Taian Ren and Qiuming Chen
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Zhiwei Ruan: College of Electrical & Automatic Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
Chaohao Kan: College of Electrical & Automatic Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
Chenglong Chu: College of Electrical & Automatic Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
Taian Ren: College of Electrical & Automatic Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
Qiuming Chen: College of Electrical & Automatic Engineering, Hefei University of Technology, Hefei 230009, Anhui, China

Energies, 2019, vol. 12, issue 6, 1-20

Abstract: Brushless doubly-fed motor (BDFM) has well applicable potentials in the speed control driving field due to its excellent speed regulation performance. However, the poor starting performance becomes a shortage that still limits the development and application of wound BDFM. To solve the problem, this paper presents a novel BDFM adopted rotor winding based on the principle of the composite coil. Both the principle of the composite coil and the designed example of the rotor winding are analyzed in detail in this content, and the stator winding designed by the change-pole method is described. The performance of the prototype was tested by simulation and experiments, both results reveal that this method can effectively improve the starting performance of BDFM, the system is simplified, and the stability of it is prompted.

Keywords: brushless doubly-fed machine (BDFM); starting performance; composite coil; change-pole method (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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