Results 51 to 60 of about 4,889,609 (256)

Maturation of Dynamic Power Convertors for Radioisotope Power Systems [PDF]

open access: yes, 2019
Dynamic Radioisotope Power Systems (DRPS) are being developed by NASA's RPS Program in collaboration with the U.S. Department of Energy (DOE) for space science and exploration missions.
Oriti, Sal, Wilson, Scott
core   +2 more sources

Active Capacitor Voltage Balancing Strategy for Stacked Flying Capacitor Half‐Bridge Five‐Level LLC Resonant Converter

open access: yesIET Power Electronics
A multilevel DC–DC converter is a promising solution to save cost and promote the power density of DC solid‐state transformers. Among the multilevel DC–DC topologies, the stacked flying capacitor half‐bridge five‐level LLC resonant converter can ...
Daoxin Tong   +5 more
doaj   +1 more source

Architecture of urban rail transit power supply based on PET braking energy feedback

open access: yesThe Journal of Engineering, 2019
In recent years, the urban rail transit has a great development in many cities of China. It is important to keep the DC transit grid strong and the power transmitted/power transmission high quality.
Hao Liu, Zedong Zheng, Zheng Xu
doaj   +1 more source

Optimal trajectory control of a CLCC resonant power converter

open access: yes, 2015
A CLCC resonant converter to be used in an isolated power supply is operated using optimal trajectory control (OTC). As a consequence, the converter's inner loop behavior is changed to that of a controlled current source. The controller is implemented in
Visser, de, I.   +7 more
core   +1 more source

Quantitative MRI Uncovers Subtle Cortical Damage in Myelin Oligodendrocyte Glycoprotein Antibody‐Associated Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To determine whether myelin‐sensitive quantitative MRI reveals microstructural abnormalities in normal‐appearing cortex (NACtx) in myelin oligodendrocyte glycoprotein antibody–associated disease (MOGAD), indicating that conventional MRI underestimates remission residual cortical injury.
Valentina Camera   +20 more
wiley   +1 more source

New modelling of photovoltaic power integration system and its control strategy for medium-voltage DC distribution network

open access: yesThe Journal of Engineering, 2019
Here, a novel photovoltaic power integration system based on LLC resonant converters is proposed for medium-voltage DC distribution network, which exhibits a feasible and efficient solution for large-scale solar energy integrating into DC grids.
Jiaxi Chen   +3 more
doaj   +1 more source

Baseline Neuroinflammation Stratifies TSPO‐PET Response to Disease‐Modifying Therapy in Multiple Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate which baseline clinical and imaging characteristics best predict TSPO‐PET‐measurable reduction in glial activation following treatment of multiple sclerosis (MS), to utilize this information for designing more efficient biomarker‐based clinical trials targeting glial activation.
Marlene T. Morch   +5 more
wiley   +1 more source

LLC series resonant high-frequency sinusoidal power supplier

open access: yes, 2012
[[abstract]]This paper presents an LLC series resonant highfrequency sinusoidal power supplier for contactless power transmission system utilizing the magnetizing inductance and the leakage inductance of contactless coupled transformer.
Chen, Liang‐Rui; Young, Chung-Ming; Chang, Hai-Wen; Yang, Wen-Ren; Chu, Neng-Yi
core   +1 more source

FEA‐Based Optimisation of an Inserted‐Shunt Integrated Planar Transformer for a Bidirectional CLLLC Resonant Converter

open access: yesIET Power Electronics
This paper presents an optimisation method for an inserted‐shunt integrated planar transformer based on 3D simulation in Ansys Maxwell. The optimisation objective is enhanced efficiency and power density for the transformer. Thermal analysis verifies the
Sajad A. Ansari   +2 more
doaj   +1 more source

State-variable and cyclic-averaging analysis of bidirectional CLLC resonant converters

open access: yesThe Journal of Engineering, 2019
The study proposes the application of state variable and cyclic-averaging modelling techniques for analysis of bidirectional, dual active bridge, CLLC resonant converters.
Lais Farias Martins   +2 more
doaj   +1 more source

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