Results 51 to 60 of about 1,556,172 (342)

Five-Megahertz PWM-Controlled Current-Mode Resonant DC–DC Step-Down Converter Using GaN-HEMTs [PDF]

, 2015
High power efficiency and high power density are required in regulated isolated dc-dc converters. In this paper, a novel pulsewidth modulation (PWM) control method that is suitable for an isolated current-mode resonant dc-dc converter operated at a ...
Matsuura, Ken, Tomioka, Satoshi, Yanagi, Hiroshige, Ishizuka, Yoichi, Ninomiya, Tamotsu, Hariya, Akinori   +5 more
core   +1 more source

Basic DC-to-DC Converters

, 2008
This paper generically classifies and unifies basic single-switch, single-inductor, DC-TO-DC converters. The boost and buck/boost flyback converters are shown to be supplementary, each being part of the same three-port terminal transfer function ...
IEEE Power Electronics Society (Funder), Williams, B.W.   +1 more
core   +3 more sources

Average Modeling of High Frequency AC Link Three-Port DC/DC/DC Converters

Electricity
The current transition towards renewable energies has led to an increased utilization of Photovoltaic (PV) sources and battery energy storage systems to complement the PV panels.
Eduardo Vasquez Mayen, Emmanuel De Jaeger   +1 more
doaj   +1 more source

Unified Fast-Dynamic Direct-Current Control Scheme for Intermediary Inductive AC-Link Isolated DC-DC Converters

IEEE Open Journal of Power Electronics, 2021
The isolated dc-dc converters with middle inductive AC links dc-dc converter have been extensively studied in modern energy conversion applications for safety and reliability, especially those featuring intermediary inductive ac-link (I2ACL ...
Nie Hou, Yuzhou Li, Zhongyi Quan, Yun Wei Li, Andrew Zhou   +4 more
doaj   +1 more source

L‐aspartate oxidase provides new insights into fumarate reduction in anaerobic darkness in Synechocystis sp. PCC6803

FEBS Letters, EarlyView.
Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil, Jeffrey A. Hawkes, Cecilia Blikstad, Pia Lindberg   +3 more
wiley   +1 more source

Current Research on Embedded DC/DC Converters

, 2021
In several energy applications, DC/DC converters are one of the most important components [...
Anna Richelli
core   +1 more source

Lyapunov-based high performance controller for modular resonant DC/DC converters for medium voltage DC grids [PDF]

, 2017
This study presents a high-performance controller based on the Lyapunov stability criterion that enhances the dynamic performance and disturbance rejection capability of resonant DC/DC converters when compared with classical PI control.
Ahmed, Khaled Hani, Finney, Stephen J., Williams, Barry W., Aboushady, Ahmed A.   +3 more
core   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

Molecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla, Christopher Dirks, Caroline Eiden, Sonja K. Fesenmayer, Femke M. Hormann, Yolande Klootsema, Ingrid Lilienthal, Si Min Zhang, Nikolas Herold, Sean G. Rudd   +9 more
wiley   +1 more source

Circulating microRNA signatures of cachexia and cancer in Canis familiaris as a comparative oncology model for human disease

Molecular Oncology, EarlyView.
Circulating microRNAs as biomarkers of cachexia and sex‐specific cancer in senior dogs. In 25 client‐owned dogs, four circulating miRNAs (miR‐15a, miR‐15b, miR‐16, miR‐140) were downregulated in cachexia, with miR‐16 the strongest individual biomarker (AUC = 0.899).
Soon‐Seok Park, Kyongman An, Gyeonghwa Kim, Soo‐Nyun Choi, Hong‐Ki Lee, Keun Hur, Kyu‐Shik Jeong   +6 more
wiley   +1 more source

Current-mode one-cycle control applied to linear–assisted DC/DC converters

, 2012
This article shows the proposal of a current-mode one-cycle control for linear-assisted DC/DC converters. Linear-assisted DC/DC converters are structures that allow to take advantages of the two classic alternatives in the design of power supply systems:
Yolanda Bolea, Martínez García, Herminio, Grau Saldes, Antoni, Bolea Monte, Yolanda, Herminio Martinez, Antoni Grau   +5 more
core   +1 more source