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Showing 1 to 8 of 8 for “"Cuk"”.
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Analysis, design, and evaluation of the optimum topology Cuk converter in comparison with the conventional Buck-Boost converter
… the comparison of the conventional BuckBoost and Cuk converters. Detailed comparisons are made with respect to the loss and weight breakdowns. of the optimum design of the two converters for a given set of performance specifications. The comparison shows that the Cuk converter outperforms the …
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A High efficiency high power led driver with fault tolerance and multiple led load driving using a coupled Cuk converter
Lighting consumes approximately 20-25% of the energy produced worldwide. LED based lighting is rapidly becoming the preferred choice over incandescent and fluorescent based lighting. LEDs have advantages such as high efficacy, long operating lifetime and excellent lumen maintenance. Therefore, to …
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Alternative topologies for the low-voltage buck converter
… buck, Resonant Switch Capacitor (ResSC), and Cuk-Buck2 were selected to be studied further based on the fact that they contain few components and were discovered in this work to have the possibility of operating at fixed frequency while smoothly regulating output voltage over the entire …
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Identification of Differentially Expressed Genes in a Rat Unilateral Ureteral Obstruction Model
… 않은 우측 신장을 대조군인 contralateral unobstructed kidney(CUK)로 하여 24시간 후, 이들 신장에서 나타난 유전자 변화를 annealing control primer(ACP)를 이용한 GeneFishingTM polymerase chain reaction(PCR)으로 관찰하였다. 그 결과, 발현 차이가 나는 총 37개의 유전자를 확인 할 수 있었으며, BLAST search를 통한 염기서열 분석 결과 총 37개 중 18개가 rat의 유전정보를 가지고 있었다. 그 중 retinol binding …
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A Novel DC-DC Converter for Photovoltaic Applications
… known as the Coupled Inductors Combined Cuk-SEPIC' (CI-CCS) converter is explored, which is particularly attractive for these photovoltaic applications. A topological modification is investigated which provides several benefits, including increased power density, efficiency, and …
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Der Einfluß der standardisierten Diagnostik und Therapie auf den Heilungsverlauf chronischer Wunden an der unteren Extremität: Eine Untersuchung zum Ulcus cruris an der Chirurgischen Universitätsklinik Würzburg
… Poliklinik der Universität Würzburg (CUK) institutionalisierte am 01.01.1996 eine spezielle Wundsprechstunde (WWS) für die Diagnostik und Behandlung chronischer Wunden. Diese Studie stellt eine Übersicht über die Ulcera cruris dar, die in der Klinik von 1994 an therapiert wurden. Dazu …
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High-frequency multi-resonant power conversion techniques
… converter topologies: buck, boost, buck-boost, Cuk, Zeta, and SEPIC. The analysis is performed using a generalized multi-resonant switch concept. The forward ZVS-MRC topology is employed to develop a state-of-the-art, high-density, on-board dc/dc power converter. The converter operates with a …