Small-Signal Analysis of Single-Phase and Three-phase DC/AC and AC/DC PWM Converters with the Frequency-Shift Technique

Frede Blaabjerg, A. Dell’ Aquila, Marco Liserre, Remus Teodorescu, F. Vacca, S. Vergura

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Abstract

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 systems. The study of dc/ac and of ac/dc converters is reported to the study of dc/dc converters via a 50 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.
OriginalsprogEngelsk
TitelProceedings of ISIE 2004
Vol/bind2
ForlagIEEE Signal Processing Society
Publikationsdato2004
Sider1291-1296
ISBN (Trykt)0-7803-8304-4
DOI
StatusUdgivet - 2004
Begivenhed2004 IEEE International Symposium on Industrial Electronics - Ajjacio, Frankrig
Varighed: 4 maj 20047 maj 2004

Konference

Konference2004 IEEE International Symposium on Industrial Electronics
Land/OmrådeFrankrig
ByAjjacio
Periode04/05/200407/05/2004

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