A New Hybrid Cuk DC-DC Converter with Coupled Inductors

This paper proposes a new hybrid Cuk-type converter employing two inductors built on the same core which can be successfully used in applications requiring an output voltage considering higher than the input one. With few components added, in the proposed converter the static conversion ratio can be...

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Veröffentlicht in:Electronics (Basel) 2020-12, Vol.9 (12), p.2188, Article 2188
Hauptverfasser: Pop-Calimanu, Ioana-Monica, Balint, Maria, Lascu, Dan
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Balint, Maria
Lascu, Dan
description This paper proposes a new hybrid Cuk-type converter employing two inductors built on the same core which can be successfully used in applications requiring an output voltage considering higher than the input one. With few components added, in the proposed converter the static conversion ratio can be easily extended becoming wider compared to the classical Cuk topology. At the same duty cycle range the output voltage is higher than in the classical Cuk converter. The output voltage remains with negative polarity and with a reduced ripple. An advantage of the new converter is given by its two degrees of freedom. A DC and AC analysis is carried out, device stresses are evaluated and a comparative analysis of the proposed hybrid Cuk topology to other indirect converters has also been performed. All the equations necessary for designing the converter are provided. The simulations performed together with the practical experiments carried out, all results confirm that the theoretical considerations are correct and validate the features that the proposed converter can provide a higher static conversion ratio without operating at high duty cycles.
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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; MDPI - Multidisciplinary Digital Publishing Institute
subjects Computer Science
Computer Science, Information Systems
Engineering
Engineering, Electrical & Electronic
Physical Sciences
Physics
Physics, Applied
Science & Technology
Technology
title A New Hybrid Cuk DC-DC Converter with Coupled Inductors
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