A Novel Parallel Hybrid Excited Machine With Enhanced Flux Regulation Capability

被引：21
作者：
Cai, Shun [1 ]
Zhu, Z. Q. [1 ]
Mipo, Jean-Claude [2 ]
Personnaz, Sophie [2 ]
机构：
[1] Univ Sheffield, Elect Machines & Drives Grp, Sheffield S10 2TN, S Yorkshire, England
[2] Valeo Powertrain Elect Syst, F-94017 Creteil, France
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2019年 / 34卷 / 04期
关键词：
Coils; Windings; Stator windings; Couplings; Rotors; Magnetic flux; Flux regulation; hybrid excited (HE) machine; parallel excitation; permanent magnet (PM); open-winding; ELECTROMAGNETIC PERFORMANCE; COGGING TORQUE; FIELD; DESIGN; GENERATOR; MOTOR;
D O I：
10.1109/TEC.2019.2930150
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A novel parallel hybrid excited (HE) machine with wide flux regulation range is proposed in this paper. The flux paths of permanent magnet (PM) and field winding are separated to avoid irreversible demagnetization and achieve improved flux regulation capability. Since the field winding and armature winding are located in the same stator slots, open-winding drive circuit can be employed to feed biased ac excitation in one set of winding and solve the spatial confliction of conventional hybrid excited machine. Finite element (FE) method is utilized to analyze the electromagnetic performances of the proposed HE machine, in comparison with the original HE machine. It is revealed that the proposed HE machine exhibits lower PM excited back-electromotive force (EMF), which is beneficial to high speed fault tolerant operation. Besides, the torque density can be higher with flux enhancing, albeit with reduced PM usage. Finally, a prototype is manufactured and tested to validate the FE predictions.
引用
收藏
页码：1938 / 1949
页数：12
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