Small-Signal Analysis of single-phase and three-phase dc/ac and ac/dc PWM converters with the frequency-shift technique

被引：0

作者：

Blaabjerg, F ^{[1
]}

Dell'Aquila, A ^{[1
]}

Liserre, A ^{[1
]}

Teodorescu, R ^{[1
]}

Vacca, F ^{[1
]}

Vergura, S ^{[1
]}

机构：

[1] Univ Aalborg, Inst Energy Technol, DK-9220 Aalborg, Denmark

来源：

Proceedings of the IEEE-ISIE 2004, Vols 1 and 2 | 2004年

关键词：

small-signal analysis; converter; PWM;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A systematic approach to study dc/ac and ac/dc converters without the use of synchronous transformation is proposed. The use of a frequency-shift technique allows a straightforward analysis of single-phase and three-phase system S. The study of dc/ac and of ac/dc converters is reported to the study of dc/dc converters via a 550 Hz frequency-shift. The input admittance is calculated and measured for two study examples (a three-phase active rectifier and a single-phase photovoltaic inverter). These examples show that the purpose of a well designed controller for grid-connected converters is to minimize the input admittance in order to make the grid converter more robust to grid disturbance.

引用

页码：1291 / 1296

页数：6

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