套筒式电磁混合调速器传动特性研究

IF 1.1 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Gang Cheng, Donghua Song
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引用次数: 0

摘要

针对传统永磁调速器气隙调速的缺点,提出了一种以控制电流代替调节气隙的套筒式电磁混合调速器,介绍了该调速模型的结构特点和工作原理,基于等效磁路法推导了电磁转矩数学表达式,得到了影响调速器传动性能的关键参数,并利用有限元分析方法建立了套筒式电磁混合调速器的仿真模型,分析了调速器在瞬态场下的电磁场变化规律。得到了不同电流下气隙磁感应强度的变化曲线,揭示了不同电流下转速差对输出转矩的影响,最后搭建了实验平台进行测试,通过分析结果得到了转矩仿真与测试的最大误差,验证了仿真方法的准确性、在此基础上,提出了两种结构方案来改善电流对调速器转矩的调节幅度,在方案一的结构下,转矩的调节幅度由原结构的35%提高到96%,改善效果理想。其规律和结论可为套筒式电磁混合调速器的进一步设计和优化提供参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on transmission characteristics of sleeve type electromagnetic hybrid governor
Aiming at the shortcomings of the traditional permanent magnet governor air gap speed regulation, a sleeve-type electromagnetic hybrid governor is proposed by controlling the current instead of adjusting the air gap, the structural characteristics and working principle of the speed regulation modelare introduced, and the electromagnetic torque mathematical expression is derived based on the equivalent magnetic circuit method, and the key parameters affecting the transmission performance of the governor are obtained, and the simulation model of the sleeve electromagnetic hybrid governor is established by using the finite element analysis method to analyze the electromagnetic field change law in the governor under the transient field. The change curve of air gap magnetic inductance intensity under different currents was obtained, and the influence of speed difference under different currents on the output torque was revealed, and finally, an experimental platform was built for testing, and the maximum error of torque simulation and the test was obtained by analyzing the results to verify the accuracy of the simulation method, on this basis, two structural schemes were proposed to improve the amplitude of the torque regulation of the governor by the current, under the structure of scheme 1, the adjustment amplitude of the torque increased from 35% of the original structure to 96%, and the improvement effect was ideal. Its laws and conclusions can provide a reference for the further design and optimization of sleeve electromagnetic hybrid governor.
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来源期刊
CiteScore
1.70
自引率
0.00%
发文量
100
审稿时长
4.6 months
期刊介绍: The aim of the International Journal of Applied Electromagnetics and Mechanics is to contribute to intersciences coupling applied electromagnetics, mechanics and materials. The journal also intends to stimulate the further development of current technology in industry. The main subjects covered by the journal are: Physics and mechanics of electromagnetic materials and devices Computational electromagnetics in materials and devices Applications of electromagnetic fields and materials The three interrelated key subjects – electromagnetics, mechanics and materials - include the following aspects: electromagnetic NDE, electromagnetic machines and devices, electromagnetic materials and structures, electromagnetic fluids, magnetoelastic effects and magnetosolid mechanics, magnetic levitations, electromagnetic propulsion, bioelectromagnetics, and inverse problems in electromagnetics. The editorial policy is to combine information and experience from both the latest high technology fields and as well as the well-established technologies within applied electromagnetics.
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