Generalized Switch Current Stress Reduction Technique for Coupled- Inductor based Single Switch High Step-Up Boost Converter

Subhendu Bikash Santra, Debashis Chatterjee, Yam Siwakoti, Frede Blaabjerg

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Abstrakt

Coupled inductor based boost converters suffer from high switch current stress in steady state and transient due to less self-inductance value in their winding. In this work, a generalized switch current stress reduction technique is proposed by modifying circuit topology of coupled inductor based high step up boost converter (CIHBC). This is achieved by half cycle resonating branch utilizing inductance of coupled inductor. Further, applying the concept, a coupled inductor boost converter is proposed for achieving high stepup ratio with low switch current and voltage stress. The operation of the proposed converter using resonating branch is discussed in both continuous and discontinuous conduction mode. The theoretical findings are verified through simulation study in PSIM 9.1.1. A prototype converter of 100W output power is designed to prove the concept and for performance analysis of the proposed converter.
OriginalsprogEngelsk
TidsskriftI E E E Journal of Emerging and Selected Topics in Power Electronics
Sider (fra-til)1-13
Antal sider13
ISSN2168-6777
DOI
StatusE-pub ahead of print - maj 2020

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