单相SVA逆变器

Conference proceedings. IEEE Applied Power Electronics Conference and Exposition Pub Date : 2011-03-06 DOI:10.1109/APEC.2011.5744599

E. C. Santos

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引用次数: 0

摘要

提出了一种适用于单相电机驱动系统的基于串联电压动作(SVA)的逆变器拓扑结构。这种拓扑结构称为单相SVA逆变器。与传统逆变器相比，单相SVA逆变器具有输出电压高于直流电压、输出电压产生的电平数多、电机电压的THD较低等优点。本文对逆变器的模型、工作原理、PWM策略、直流电容电压和电流进行了全面的分析。并与传统转炉进行了比较。仿真和实验结果证实了理论研究的正确性。

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Single-phase SVA inverter

This paper presents an inverter topology based on series-voltage-action (SVA) to be employed in single-phase motor drive systems. Such topology will be called as single-phase SVA inverter. The single-phase SVA inverter presents some advantages over the traditional ones, such as output voltage higher than the dc-link voltage and lower THD of the motor voltage due to high number of levels generated at output voltage. The complete analysis presented in this paper includes the inverter model, its operation, the PWM strategy, dc-link capacitor voltage and current. Also it was carried out a comparison with conventional converters. Simulated and experimental results corroborate the theoretical study.

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Conference proceedings. IEEE Applied Power Electronics Conference and Exposition

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