基于载波移相控制的无变压器高压并网逆变器

Proceedings of The 7th International Power Electronics and Motion Control Conference Pub Date : 2012-06-02 DOI:10.1109/IPEMC.2012.6259071

G. Liu, Hui Zhang, Xiangyang Luo

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引用次数: 0

摘要

针对风电高压变电问题，提出了一种基于载波移相控制策略的无变压器高压并网变流器模块。阐述了级联电源模块的工作状态，并对四种工作状态进行了分析。此外，利用单极双频载波移相PWM调制技术(CPS-SPWM)，对三台级联变换器进行了相应的仿真和实验，验证了该控制方法的效果。

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Transformerless high voltage grid-connected inverter based on carrier phase-shifted control

As far as the problem of high voltage transformation in wind power concerned, a module of transformerless high voltage grid-connected converter based on carrier phased-shift control strategy is proposed. The working condition of cascaded power modules is elaborated, and the analysis of four operating states is introduced as well in this paper. Furthermore, with the technology of unipolar dual-frequency Carrier Phase shift PWM modulation (CPS-SPWM), the corresponding simulation and experiments for three units cascaded converter confirm the control method's effects.

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Proceedings of The 7th International Power Electronics and Motion Control Conference

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