Suppression of undesired attractors in a self-oscillating H-bridge parallel resonant converters under zero current switching control
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hdl:2117/125959
Tipus de documentArticle
Data publicació2018-11-08
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Abstract
Resonant converters under zero current switching control strategy can exhibit coexistence of attractors, making it difficult the startup of the system from zero initial conditions. In this paper, the problem of multiple coexisting attractors in parallel resonant converters is addressed. Appropriate modifications of the switching decision with the aim of converting undesired attractors into virtual ones are proposed. A suitable control signal is generated from the state variables of the system and used to adjust the switching decision. Numerical simulations corroborate the proposed solutions and the simplest one was finally verified by measurements from a laboratory prototype.
CitacióEl Aroudi, A., Benadero, L., Ponce, E., Olalla, C., Torres, F., Martínez, L. Suppression of undesired attractors in a self-oscillating H-bridge parallel resonant converters under zero current switching control. "IEEE transactions on circuits and systems II: express briefs", 8 Novembre 2018.
ISSN1549-7747
Versió de l'editorhttps://ieeexplore.ieee.org/document/8527540
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IEEE-CAS-II-postprint-1.pdf | 751,3Kb | Visualitza/Obre |