Modelling of voltage transfer function of the three-phase hybrid transformers with voltage or current source matrix converter

• Autorzy: Fedyczak Z. , Szcześniak P. , Kaniewski J.

Warianty tytułu

PL

Modelowanie relacji napięciowych trójfazowego transformatora hybrydowego z przekształtnikiem matrycowym napięcia lub prądu

• Języki publikacji: EN

Abstrakty

EN

This paper deals with a three-phase power system with hybrid transformer (HT). The HT contains a conventional three-phase transformer with electromagnetic coupling and AC/AC converter integrated with the secondary windings through an electric coupling. The HT uses a three-phase Yy connected transformer with additional secondary windings and three-phase voltage or current source matrix converter (VSMC or CSMC), which give possibility to changing the value and phase shifting of the output phase voltage. The paper gives a description of such power system with passive load, as well as the modelling and comparison of voltage transfer functions for both solutions of the HT. The steady state analysis results of power systems with simplified HT mathematical models are verified by means of the simulation and experimental test results obtained for the power system with HT of about 6 kVA.

PL

Artykuł dotyczy trójfazowego systemu zasilania z transformatorem hybrydowym (TH). TH zawiera konwencjonalny transformator trójfazowy ze sprzężeniem elektromagnetycznym i przekształtnik energoelektroniczny typu AC/AC ze sprzężeniem elektrycznym, zintegrowany z uzwojeniami wtórnymi transformatora. W TH jest stosowany transformator uzwojeniami typu Yy oraz dodatkowymi uzwojeniami i trójfazowym przekształtnikiem matrycowym (PM) napięcia lub prądu, które umożliwiają zmianę przesunięcia fazowego napięcia wyjściowego. W artykule opisano działanie takiego systemu zasilania z obciążeniem pasywnym oraz jego modelowanie i porównanie relacji napięciowych dla dwóch rozwiązań TH (z PM napięcia lub prądu). Wyniki analizy właściwości w stanie ustalonym systemu zasilania z uproszczonymi modelemi matematycznymi są weryfikowane za pomocą badań symulacyjnych i eksperymentalnych systemie zasilania z TH o mocy ok. 6 kVA.

Słowa kluczowe

EN

AC/AC converter; three-phase transformer; matrix converter

PL

przekształtnik AC/AC; transformator trójfazowy; przekształtnik matrycowy prądu

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2015
• Tom: R. 91, nr 11
• Strony: 133--138
• Opis fizyczny: Bibliogr. 36 poz., rys., tab., wykr.

Twórcy

autor

Fedyczak Z.

• University of Zielona Góra, Institute of Electrical Engineering, ul Podgórna 50 65-246 Zielona Góra

autor

Szcześniak P.

• University of Zielona Góra, Institute of Electrical Engineering, ul Podgórna 50 65-246 Zielona Góra

autor

Kaniewski J.

• University of Zielona Góra, Institute of Electrical Engineering, ul Podgórna 50 65-246 Zielona Góra

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