Analysis of DC current ripple in six-legs twelve-devices inverters

2012 International Conference on Power Engineering and Renewable Energy (ICPERE) Pub Date : 2012-07-03 DOI:10.1109/ICPERE.2012.6287239

P. Dahono, Andri Satria, Dadan Nurafiat

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引用次数: 8

Abstract

Analysis method for input current ripple in several configuration of six-legs twelve-devices inverters is proposed in this research. It begins with deriving the expression for the rms value of six-phase PWM inverters as a function of reference signal. Based on its load, there are two kinds of inverters that is used in this research, which are double winding (dual stator) and dual fed. Double winding configuration has been analyzed for two type of winding configuration, 0° and 30° split, with single and double carrier modulation. While in dual fed configuration, analysis has been done for two modulation technique, which are phase shifted double carrier and level shifted double carrier. The research found that 0° split configuration with double carrier modulation has the lowest input current ripple among its kind. While in double fed configuration, the results divided based on its load power factor. Phase shifted double carrier modulation has the lowest input current ripple for low power factor, and for the high one level shifted double carrier has the lowest. Simulations and experiments has been done and the results verified the analysis method that is used in this research.

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六脚十二器件逆变器直流纹波分析

本文提出了六脚十二器件逆变器几种配置下输入电流纹波的分析方法。首先推导出六相PWM逆变器的均方根值随参考信号的函数表达式。根据其负载，本研究中使用的逆变器有双绕组(双定子)和双馈两种。对0°和30°分路、单载波和双载波调制两种绕组配置进行了双绕组配置分析。在双馈结构下，分析了相移双载波和电平移双载波两种调制技术。研究发现，双载波调制的0°分路结构具有最低的输入纹波。而在双馈结构下，结果根据其负载功率因数进行划分。相移双载波调制在低功率因数时具有最低的输入电流纹波，在高功率因数时具有最低的输入电流纹波。通过仿真和实验验证了本文所采用的分析方法。

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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2012 International Conference on Power Engineering and Renewable Energy (ICPERE)

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