2022
DOI: 10.1109/ojpel.2022.3157200
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Reliability Evaluation of Isolated Buck-Boost DC-DC Series Resonant Converter

Abstract: This paper investigates the reliability of an isolated buck-boost DC-DC converter (IBBC) based on the configuration of a series resonant converter (SRC). Two approaches are employed to predict the IBBC reliability, which are based on the MIL-HDBK-217F handbook and FIDES guide. The latter approach can take into account how the failure rate of the converter components based on the physics of failure is influenced by a varying yearly mission profile. To do this, the thermal loading of each IBBC component is obtai… Show more

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Cited by 18 publications
(3 citation statements)
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“…It is caused by the overlap between the drain current and the drain-source voltage during the turn-on or turn-off moment. The switching losses include turn-on loss and turn-off loss which can be calculated by Equation (15) [25]:…”
Section: Switching Lossmentioning
confidence: 99%
“…It is caused by the overlap between the drain current and the drain-source voltage during the turn-on or turn-off moment. The switching losses include turn-on loss and turn-off loss which can be calculated by Equation (15) [25]:…”
Section: Switching Lossmentioning
confidence: 99%
“…The constant phase of the diagram, placed in the middle part of the curve, describes the useful lifetime of a product. This stage contains random failures which are typically caused by random fluctuations and transients of stresses exceeding the strength of the component or mishandling of the product [61].…”
Section: A Component Level Lifetime Predictionmentioning
confidence: 99%
“…It is possible to find some works concerning reliability of power electronic converters in the literature. The reliability of an isolated buck-boost DC-DC converter (IBBC), designed with a series resonant converter (SRC) configuration, is investigated in [11]. Reference [12] proposes a new method to assess the reliability of fault-tolerant power converters, considering wear-out failure.…”
Section: Introductionmentioning
confidence: 99%