Experimental Analysis of the dq0 Stator Current Component Spectra of a 42V Fault-Tolerant Six-Phase Induction Machine Drive with Opened Stator Phases

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives Pub Date : 2007-12-04 DOI:10.1109/DEMPED.2007.4393070

G. Aroquiadassou, H. Henao, G. Capolino

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引用次数: 12

Abstract

This paper presents the spectral analysis of the stator phase current and its dq0 components, in a 42V fault-tolerant six-phase induction machine (6PIM) fed by a voltage source inverter (VSI). This machine has symmetrical 60 degrees displacement winding allowing fault-tolerant modes for an electric power steering (EPS) application. The influence of the loss of stator phases in the stator current spectrum is analyzed by studying the behavior of some frequency components which depend on the speed. The fluctuation of these frequencies is examined to evaluate the effect of the torque ripple generated by the negative sequence components in the machine behavior with the loss of one or several stator phases. For this experimental analysis, a six-phase squirrel-cage induction machine of 90W, 17V, 2-poles, fed by VSI, in closed-loop, in normal operation and in faulted mode with the loss of one and two opposite and consecutive phases, has been used.

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定子开相42V容错六相感应电机dq0电流分量谱的实验分析

本文研究了电压源逆变器(VSI)供电的42V容错六相感应电机(6PIM)定子相电流及其dq0分量的频谱分析。该机器具有对称的60度位移绕组，允许电动助力转向(EPS)应用的容错模式。通过研究一些频率分量随转速变化的特性，分析了定子相位损耗对定子电流谱的影响。检查这些频率的波动，以评估在失去一个或几个定子相位时，由负序分量在机器行为中产生的转矩脉动的影响。本实验分析采用了一台六相鼠笼式感应电机，功率为90W，电压为17V，两极，由VSI馈电，在闭环、正常工作和故障模式下损耗一相和两相相反且连续的两相。

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

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives

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