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Multi-transformer primary-side regulated flyback converter for supplying isolated IGBT and MOSFET drivers
Abstrakt
This paper presents primary-side voltage regulated multi-transformer quasi-resonant flyback converter (MTFC) for supplying isolated power switch drivers. The proposed topology offers distinct advantages over frequently used flyback converter possessing one high frequency transformer with isolated multiple outputs. Particularly, when a large number of separate dc supply units is required, then MTFC enables improved regular distribution of magnetic coupling between the common primary and the multiple secondary transformers' windings providing high degree of galvanic and electromagnetic isolation between multiple outputs. Primary side voltage regulation is based on the average value of output voltages estimation using auxilliary RDC circuit mounted across the primary windings. Operation principles of MTFC are enhanced with analytical study of cross regulation of multiple output voltages at unbalanced load conditions, indicating reduced voltage deviation of multiple outputs by applying the primary-side average voltage regulation. Experimental results of prototype 2, 3, and 6-transformer quasi-resonant flyback converters confirmed their cross regulation quality and application potential for independent multiple output supplies.
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- Wersja publikacji
- Accepted albo Published Version
- Licencja
- Copyright (2019 IEEE)
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
nr 67,
strony 1005 - 1012,
ISSN: 0278-0046 - Język:
- angielski
- Rok wydania:
- 2020
- Opis bibliograficzny:
- Kolincio M., Chrzan P., Musznicki P.: Multi-transformer primary-side regulated flyback converter for supplying isolated IGBT and MOSFET drivers// IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS -Vol. 67,iss. 2 (2020), s.1005-1012
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tie.2019.2898592
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 210 razy
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