Autor(en)
Vakacharla, Venkata R; Rathore, Akshay Kumar
Titel
Isolated Soft Switching Current Fed LCC-T Resonant DC-DC Converter for PV/Fuel Cell Applications
Teil von
  • IEEE transactions on industrial electronics (1982), 2019-09, Vol.66 (9), p.6947-6958
Ort / Verlag
PISCATAWAY: IEEE
Links zum Volltext
Quelle
IEEE Electronic Library (IEL) Journals
Beschreibungen
This paper proposes an "isolated soft switching current fed LCC-T resonant dc-dc converter for PV/fuel cell applications." This converter is able to achieve zero voltage switching for front-end inverter switches and zero-current switching for voltage doubler diodes. The majority of dc-dc converters have compact capacitive (C) filter in output, but high harmonic currents through transformer makes them bulky. The proposed converter attempts to improve harmonic content through a transformer under wide load and input variations as well as it can significantly reduce required turns ratio of transformer to achieve required output voltage. For the above reasons, the proposed converter can offer better footprints and therefore it can be a potential candidate for PV/fuel cell applications. This paper presents basic operating principal, detailed analysis, control, and design of the proposed converter with the help of an example. This converter operates in two modes, i.e., constant duty cycle mode and constant frequency mode, depending on load demand, and is explained through operating curves. Finally, experimental results are included for justifying the proposed theory.
Format
Sprache(n)
Englisch
Identifikator(en)
ISSN: 0278-0046
ISSN: 1557-9948
DOI: 10.1109/TIE.2018.2877085

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