Calculation Features of Speed- torque Characteristic of Tape Winding Torque Motor with Rotor Non-uniform Magnetic Field

Antonina Dolgih, V. Martemyanov, Anton Trubachev
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Abstract

The speed-torque characteristics of a tape winding torque motor is considered in the case of distributed magnetic flux of the rotor pole. The present studies have shown the possibility of the numerical simulation in COMSOL of the simul-taneous action of both the current from the power source and the currents caused by the EMF of rotation. It is pro-posed to set the EMF of rotation indirectly using the internal current density – “Inward current flow” option. Numeri-cal studies have shown the possibility of using the superposition principle in the motor characteristics determination in the operating mode. An appropriate combination of starting mode and braking mode allows obtaining the desired motor speed-torque characteristics. Numerical studies of the motor prototype showed the linearity of the speed-torque characteristics set. A large number of calculated values given in the tables is both a proof of the correctness of the proposed ideas, and is the basis for further research, in particular, torque pulsations during rotor rotation. The re-search results allow assessing the expected characteristics of the motor model and are an integral part of the devel-oped design policy of the torque motor with the tape winding stator.
转子非均匀磁场带式绕组转矩电机转速转矩特性的计算特点
考虑了带式绕组转矩电机在转子极磁通分布情况下的速度-转矩特性。目前的研究表明,COMSOL中数值模拟电源电流和旋转电动势引起的电流同时作用的可能性。建议使用内部电流密度-“向内电流”选项间接设置旋转电动势。数值研究表明,将叠加原理应用于电机运行模式特性的确定是可行的。启动模式和制动模式的适当组合可以获得所需的电机速度-扭矩特性。对样机的数值研究表明,电机转速-转矩特性集具有良好的线性关系。表中给出的大量计算值既证明了所提思想的正确性,又为进一步研究,特别是转子旋转过程中的转矩脉动奠定了基础。研究结果可以评估电机模型的预期特性,并且是带绕组定子转矩电机开发设计策略的组成部分。
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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