Synchronisation method for three-phase PWM converters under unbalanced and distorted grid

被引：26

作者：

de Camargo, R. F.

Pinheiro, H.

机构：

[1] Univ Fed Santa Maria, CT, NUPEDEE, GEPOC, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Reg Noroeste Estado Rio Grande do Sul UNIJUI, Ijui, Brazil

来源：

IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS | 2006年 / 153卷 / 05期

关键词：

D O I：

10.1049/ip-epa:20060010

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new open-loop synchronisation method for three-phase PWM converters connected to the utility grid is proposed, which gives good performance under distorted and highly unbalanced grid voltages. Moreover, it has a better performance in terms of distortion in the synchronisation signals when compared with other open-loop methods. It has a good transient performance for frequency, phase and amplitude disturbances when compared with closed-loop methods. In addition, a frequency adaptation algorithm is proposed for applications where large frequency variations are expected, such as in weak grids. Experimental results using a DSP TMS320F2812 are given to demonstrate the good performance of the proposed synchronisation method.

引用

页码：763 / 772

页数：10

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