Suzhou Electric Appliance Research Institute
期刊號： CN32-1800/TM| ISSN1007-3175

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高壓斷路器操動機構(gòu)用雙定子永磁電機設(shè)計

來源：電工電氣發(fā)布時間：2022-12-22 11:22 瀏覽次數(shù)：310

高壓斷路器操動機構(gòu)用雙定子永磁電機設(shè)計

李佳嬙，林莘，王俊博，劉梓超
(沈陽工業(yè)大學(xué) 電氣工程學(xué)院，遼寧 沈陽 110870)
 
    摘 要：為了減小高壓斷路器操動機構(gòu)驅(qū)動電機的體積，提高其工作可靠性，對負(fù)載側(cè)進行受力分析，設(shè)計了一種滿足 126 kV 高壓斷路器操動機構(gòu)負(fù)載特性要求的雙定子永磁無刷直流電機。對驅(qū)動電機的結(jié)構(gòu)和主要參數(shù)進行研究，包括電機主要尺寸、極弧系數(shù)、電磁負(fù)荷、定子極槽數(shù)配合、定子裂比；利用有限元方法建立驅(qū)動電機模型，得到了電機磁密云分布、磁力線分布、輸出轉(zhuǎn)矩與電流，對電機的電磁性能與動態(tài)特性進行分析，驗證了電機設(shè)計合理性。
    關(guān)鍵詞： 高壓斷路器；雙定子永磁無刷直流電機；操動機構(gòu)
    中圖分類號：TM351 ；TM561     文獻標(biāo)識碼：A     文章編號：1007-3175(2022)12-0042-05
 
Design of Double Stator Permanent Magnet Motor Operating
Mechanism for High Voltage Circuit Breaker
 
LI Jia-qiang, LIN Xin, WANG Jun-bo, LIU Zi-chao
（School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China）
 
    Abstract: This research designed an operating mechanism for a double-stator permanent magnet brushless DC motor to meet the load characteristics requirements of a 126 kV high voltage circuit breaker. The new design could help reduce the volume of the driving motor of the operating mechanism of a high voltage circuit breaker, improve operational reliability, and implement the force analysis of the load side.Besides, this paper studied the structure and main parameters of the driving motor, including the vital size of the motor, pole arc coefficient,electromagnetic load, stator slot number, and stator split ratio. In addition, it employed the finite element method to establish the driving motor model and obtain the magnetic cloud distribution, magnetic force line distribution, output torque, and current of the motor.It also analyzed the electromagnetic properties and dynamic characteristics of the motor. The result verified the rationality of the motor design.
    Key words: high voltage circuit breaker; double stator permanent magnet brushless DC motor; operating mechanism
 
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