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
收藏
页码：1291 / 1296
页数：6
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