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定子电励磁无刷同步电机设计及其电感参数计算

Stator Electrically-excited Brushless Synchronous Machine and Its Inductance Calculation
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摘要 针对传统电励磁同步电机存在电刷滑环降低可靠性问题,研究了一种新型结构电励磁同步电机——定子电励磁无刷同步电机(SEBSM),并介绍其结构、运行原理;通过气隙磁场分析,进一步揭示了SEBSM磁场调制机理和机电能量转换机理;基于绕组函数法和气隙比磁导函数叠加法,建立了SEBSM电感参数模型,并对一台(8+4)极样机的电感参数进行了计算,其计算值与测量值误差在±2.5%以内,验证了该电感参数计算模型的正确性。 It is known that the reliability of electrically excited synchronous machine with brush is reduced. It proposed a new type of electrically excited synchronous machine, the stator electrically-excited brushless synchronous machine(SEBSM). In this paper, the structure characteristic and working principles of the SEBSM were introduced, the air-gap magnetic field of the machine was analyzed, and its magnetic field modulation principle and mechanism of electromechanical energy conversion were further revealed. Based on winding function and superposition method, inductance parameter calculation model of the SEBSM was set up, the inductance parameters of the SEBSM prototype with 8+4 poles were calculated, and the error between the calculated and tested inductances is within ±2.5%, which justified the correctness of the inductance calculation model.
作者 贾广隆 陈致初 胡勇峰 李伟业 JIA Guanglong, CHEN Zhichu, HU Yongfeng, LI Weiye ( CRRC Zhuzhou Institute Co., Ltd., Zhuzhou, Hunan 412001, China )
出处 《控制与信息技术》 2018年第4期27-31,共5页 HIGH POWER CONVERTER TECHNOLOGY
基金 国家自然科学基金重点资助项目(51277125)
关键词 无刷电机 同步电机 混合转子 电机电感 brushless motor synchronous machine hybrid rotor motor inductance
作者简介 贾广隆(1987-),男,博士,工程师,研究方向为轨道交通和新能源汽车驱动电机。
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