Title:
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Demonstration of ripple-based index for predicting fast-scale instability in switching power converters
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Author:
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Rodríguez Vilamitjana, Enric; Alarcón Cot, Eduardo José; El Aroudi, Abdelali
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Other authors:
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Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. EPIC - Energy Processing and Integrated Circuits |
Abstract:
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In this paper a simplified model based on the exact discrete-time map of a buck switching power converter with proportional control, which captures all its dynamics, allows deriving a closed-form stability condition for predicting fast-scale
instability boundary. This condition analytically demonstrates the validity of the recently proposed ripple-based index to
predict fast-scale period-doubling, hitherto based on an a priori hypothesis and simulation validation, thereby demonstrating the use of the ripple index as a design-oriented tool. The equivalence of the ripple index to the condition derived from the discrete-time map endorses its use as a means to characterize the complete design space against fast-scale instabilities. |
Abstract:
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Peer Reviewed |
Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència -Telecommunication switching systems equipment industry -Convertidors continu-continu |
Rights:
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Document type:
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Article - Published version Conference Object |
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