低成本单相到三相PWM AC/DC/AC转换器，无源电压传感器

2002 IEEE International Conference on Industrial Technology, 2002. IEEE ICIT '02. Pub Date : 2002-12-11 DOI:10.1109/ICIT.2002.1189268

Dong-Choon Lee, Tae-Yun Kim, G.-Myoung Lee, J. Seok

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引用次数: 9

摘要

本文提出了一种低成本的实现方法，使用单相半桥PWM整流器和2腿逆变器，将单相到三相PWM变换器用于低功率三相感应电动机驱动。此外，用状态观测器消除了源电压传感器，该观测器控制模型电流和之间的偏差。系统电流为零。尽管该变换器的拓扑结构本身比传统的变换器成本低，但它具有输入电流正弦、单位功率因数、输出电压控制、双向潮流和VVVF输出电压等功能。给出了3Hp感应电机驱动V/F控制的实验结果。

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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Low-cost single-phase to three-phase PWM AC/DC/AC converters without source voltage sensor

In this paper, a low cost implementation using a single-phase to three-phase PWM converter for low power three-phase induction motor drives is proposed, where a single-phase half-bridge PWM rectifier and a 2-leg inverter are used. In addition, the source voltage sensor is eliminated with a state observer which controls the deviation between the model current and. the system current to be zero. Even though the converter topology itself is of lower cost than the conventional one, it has such functions as sinusoidal input current, unity power factor, do output voltage control, bidirectional power flow and VVVF output voltage. The experimental results for V/F control of 3Hp induction motor drives have been shown.

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来源期刊

2002 IEEE International Conference on Industrial Technology, 2002. IEEE ICIT '02.

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