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A Study on an Airgap Control System in a Rotary-Small-Scaled Linear Induction Motor for Railway Vehicles

机译:铁路车辆用小型旋转直线感应电动机气隙控制系统的研究

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摘要

In general, it is important to operate the airgap length uniformly for improving the system efficiency independent of the flatness of the reaction plate in a railway propulsion system by a linear induction motor (LIM). And it is possible to operate the LIM propulsion system efficiently without a change of the LIM capacity through the airgap length control on the sloped rail. So, in this research, the authors introduce an airgap control system to control the airgap length which depends on the flatness of the secondary reaction plate when the LIM is operated, and design a rotary small-scaled LIM and its airgap control system before manufacturing the real system. Then, the authors analyze some characteristics of the LIM (thrust and normal force, input current, efficiency and power factor), and through the LIM control modeling, the authors finally analyze an effect of the airgap-length control of the LIM by the airgap control system.
机译:通常,重要的是均匀地操作气隙长度,以提高系统效率,而与线性感应电动机(LIM)在铁路推进系统中的反应板的平坦度无关。通过斜轨上的气隙长度控制,可以在不改变LIM容量的情况下有效地运行LIM推进系统。因此,在这项研究中,作者引入了一种气隙控制系统来控制气隙长度,该长度取决于LIM操作时取决于副反应板的平面度,并设计了旋转式小型LIM及其气隙控制系统,然后再制造LIM。真实系统。然后,作者分析了LIM的一些特性(推力和法向力,输入电流,效率和功率因数),并通过LIM控制模型,最终分析了气隙对LIM气隙长度控制的影响。控制系统。

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