一种用于中压同步电机驱动的模块化多电平级联逆变器电容电压平衡能力的增强

2015 IEEE Energy Conversion Congress and Exposition (ECCE) Pub Date : 2015-10-29 DOI:10.1109/ECCE.2015.7310550

Y. Okazaki, H. Matsui, M. M. Muhoro, M. Hagiwara, H. Akagi

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引用次数: 6

摘要

本文讨论了用于中压大功率同步电机驱动的模块化多电平级联逆变器(MMCI-DSCC)中所有浮动电容的直流电压平衡和交流电压最小化。它提出了理论和数值设计考虑的幅度和三相电机电流的相位。设计并构建了一种带移相载波脉宽调制(PWM)的三相DSCC逆变器，用于驱动搭载离心压缩机的370 v、15 kw、75 hz、六极内置永磁同步电机。实验结果表明，所有电容器在直流电压平衡和交流电压最小化方面都具有良好的性能。

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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Enhancement on capacitor-voltage-balancing capability of a modular multilevel cascade inverter for medium-voltage synchronous-motor drives

This paper discusses both dc-voltage balancing and ac-voltage minimizing of all the floating capacitors in a modular multilevel cascade inverter (MMCI-DSCC) intended for medium-voltage high-power synchronous-motor drives. It presents theoretical and numerical design considerations on both amplitude and phase of three-phase motor currents. A three-phase DSCC inverter with phase-shifted-carrier pulsewidth modulation (PWM) is designed and constructed to drive a 370-V, 15-kW, 75-Hz, six-pole, interior-permanent-magnet synchronous motor loaded with a hypothetical centrifugal compressor. Experimental results show satisfactory performance in dc-voltage balancing and ac-voltage minimizing of all the capacitors.

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2015 IEEE Energy Conversion Congress and Exposition (ECCE)

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