Design and Optimization of a High Performance Yokeless and Segmented Armature Electrical Machine on Flywheel Energy Storage System

被引：0

作者：

Zhang, Xinmiao ^{[1
]}

Yu, Jiaqiang ^{[1
]}

Zhou, Jinyang ^{[1
]}

Wu, Shaopeng ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150080, Peoples R China

来源：

PROCEEDINGS OF THE 3RD INTERNATIONAL SYMPOSIUM ON NEW ENERGY AND ELECTRICAL TECHNOLOGY | 2023年 / 1017卷

关键词：

Yokeless and segmented armature; Flywheel energy storage system; Soft magnetic composite; High power density;

D O I：

10.1007/978-981-99-0553-9_38

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：

In this paper, a 50 kW stator yokeless modular axial flux motor with strong overload capacity, wide operating speed range and high operating efficiency is designed for the high torque and high speed requirements of the M/G motor in the flywheel energy storage system. Considering the overload capacity and the operating speed domain, three operating conditions of high efficiency, high speed and overload are determined, and the magnetic circuit calculation of the motor and the selection of the pole slot are carried out to determine the motor structure. Considering the influence of the stator material on the motor performance, the motor torque performance and loss characteristics under the three materials of silicon steel sheet, SMC and AMM were compared. A three-dimensional motor electromagnetic field model is established and combined with the finite element method to improve the torque performance. The YASA motor is optimized for the purpose of suppressing losses. After optimization, the maximum efficiency of the motor exceeds 98%, and the peak power density exceeds 5 kW/kg.

引用

页码：349 / 365

页数：17

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