Results 111 to 120 of about 108,307 (312)
Review of dc-dc converters for multi-terminal HVDC transmission networks [PDF]
, 2016 This study presents a comprehensive review of high-power dc-dc converters for high-voltage direct current (HVDC) transmission systems, with emphasis on the most promising topologies from established and emerging dc-dc converters.
Ased, Grain Philip +4 more
core +1 more source
Advanced Functional Materials, EarlyView.In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du +4 more
wiley +1 more source
Photoswitchable Conductive Metal–Organic Frameworks
Advanced Functional Materials, EarlyView.A conductive material where the conductivity can be modulated remotely by irradiation with light is presented. It is based on films of conductive metal–organic framework type Cu3(HHTP)2 with embedded photochromic molecules such as azobenzene, diarylethene, spiropyran, and hexaarylbiimidazole in the pores.
Yidong Liu +5 more
wiley +1 more source
High reliability megawatt transformer/rectifier [PDF]
The goal of the two phase program is to develop the technology and design and fabricate ultralightweight high reliability DC to DC converters for space power applications.
Ashe, Harry +2 more
core +1 more source
Push-Pull DC-DC converter with planar transformer for PV applications
IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, 2013 There is a trend toward increasing the performance of power electronics converters used in photovoltaic (PV) systems. This paper presents the design and implementation of a Push-Pull DC-DC converter prototype. This power converter typically integrates systems for photovoltaic applications due to high voltage conversion ratio.
Filipe Pereira +4 more
openaire +2 more sources
Advanced Functional Materials, EarlyView.This study investigates H4TBAPy‐based metal–organic frameworks (MOFs) ‐ NU‐1000, NU‐901, SrTBAPy, and BaTBAPy ‐ for multiphoton absorption (MPA) performance. It observes topology‐dependent variations in the 2PA cross‐section, with BaTBAPy exhibiting the highest activity.
Simon N. Deger +10 more
wiley +1 more source
Power Electronic Transformer Using DC-DC Converter Based on Energy Injection Control
Kongzhi Yu Xinxi Jishu, 2017 In order to improve the power density and efficiency of power electronic transformer, this paper presented a power electronic transformer using DC-DC converter based on energy injection control.
ZHAO Ziyi, SU Mei, ZHU Qi, WANG Hui
doaj
IEEE Access, 2019 An isolated modular multilevel dc-dc converter (IMMDCC) consisting of two modular multilevel converters (MMCs) coupled via a medium-frequency transformer is competitive for medium- and high-voltage applications because of its high modularity and high ...
Changjiang Sun +3 more
doaj +1 more source
Theoretical and experimental study of AC loss in HTS single pancake coils
, 2008 The electromagnetic properties of a pancake coil in AC regime as a function of the number of turns is studied theoretically and experimentally. Specifically, the AC loss, the coil critical current and the voltage signal are discussed.
Clem J R +13 more
core +1 more source
Demonstration of an All‐Optical AND Gate Mediated by Photochromic Molecules
Advanced Functional Materials, EarlyView.A logic AND gate that runs on photons is demonstrated. It relies on two spatially separated photochromic molecules that work in tandem. Abstract The realization of a photonic logic AND gate, i.e. a logic AND gate that runs on photons rather than electrons, and where all steps are controlled by light, is demonstrated. In a proof‐of‐principle experiment,
Heyou Zhang +7 more
wiley +1 more source