Preliminary Design of Ironless Linear Induction Motors for ITER MSE Shutter Actuators

IF 1.3 4区 物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS
J. Fang;A. Khodak;P. Titus
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引用次数: 0

Abstract

The shutters need to be closed or opened during the operation and calibration period time for the fusion diagnostic systems, such as the International Thermonuclear Experimental Reactor (ITER) motional stark effect (MSE). Standard electric motors and actuators will not work in a strong magnetic field environment due to the presence of the magnetic field of fusion reactors. The innovative linear induction motor (LIM) with an ironless feature overcomes this kind of challenge and can be used for any application that requires controlled motion with a large stroke in the magnetic field environment. It consists of a high-electrical conductivity plate like copper and three-phase motor windings with nonferrous or stainless-steel stators. The conductor plate attached with the shutter is simply driven by the underneath three-phase linear windings to achieve linear motion. The motor drive can be controlled remotely by a controller using the electrical connection, so no sensitive electronic components are located in the harsh environment where the motor itself is located. The design requirements and test facility have been described. Several 3-D transient Maxwell electromagnetic (EM) models with different locations of three-phase linear motor windings and shutter stators have been analyzed and evolved to meet any applications allowed in the harsh environment inside the vacuum vessel of fusion reactors. The preliminary design results are presented in this article.
ITER MSE快门执行器无铁线性感应电机初步设计
在国际热核实验反应堆(ITER)运动stark效应(MSE)等聚变诊断系统的运行和校准期间,需要关闭或打开百叶窗。由于核聚变反应堆的磁场存在,标准的电动机和致动器将不能在强磁场环境中工作。创新的线性感应电机(LIM)具有无铁特性,克服了这类挑战,可用于任何需要在磁场环境中控制大行程运动的应用。它由高导电性的铜板和带有色金属或不锈钢定子的三相电机绕组组成。附在百叶窗上的导体板仅仅是由下面的三相线性绕组驱动来实现直线运动。电机驱动可以通过电气连接由控制器远程控制,因此在电机本身所在的恶劣环境中没有敏感的电子元件。介绍了设计要求和试验设备。分析和发展了几种具有三相直线电机绕组和快门定子不同位置的三维瞬态麦克斯韦电磁(EM)模型,以满足聚变反应堆真空容器内恶劣环境的任何应用。本文给出了初步设计结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Transactions on Plasma Science
IEEE Transactions on Plasma Science 物理-物理:流体与等离子体
CiteScore
3.00
自引率
20.00%
发文量
538
审稿时长
3.8 months
期刊介绍: The scope covers all aspects of the theory and application of plasma science. It includes the following areas: magnetohydrodynamics; thermionics and plasma diodes; basic plasma phenomena; gaseous electronics; microwave/plasma interaction; electron, ion, and plasma sources; space plasmas; intense electron and ion beams; laser-plasma interactions; plasma diagnostics; plasma chemistry and processing; solid-state plasmas; plasma heating; plasma for controlled fusion research; high energy density plasmas; industrial/commercial applications of plasma physics; plasma waves and instabilities; and high power microwave and submillimeter wave generation.
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