Results 71 to 80 of about 506,427 (304)
A 100-MESFET planar grid oscillator [PDF]
, 1991 A 100-MESFET oscillator which gives 21 W of CW effective radiated power (ERP) with a 16-dB directivity and a 20% DC-to-RF conversion efficiency at 5 GHz is presented. The oscillator is a planar grid structure periodically loaded with transistors.
Kim, Moonil +3 more
core +1 more source
Advanced Functional Materials, EarlyView.Lithium‐ion batteries (LIBs) remain central to energy storage but suffer from slow ion transport and degradation. Here, we present a binder‐free Ti3C2Tx MXene/GnR hybrid electrode with a porous 3D architecture formed via freeze casting. The structure enhances conductivity, ion transport, and stability, delivering 401 mAh/g, ∼97% efficiency, and 92 ...
Sara Mohseni Taromsari +10 more
wiley +1 more source
Legislative History of the Fair Labor Standards Act [PDF]
, 1939 With recent advances in power electronic technology, High-Voltage Direct Current (HVDC) transmission system has become an alternative for transmitting power especially over long distances.
Forsythe, John S.
core +1 more source
, 2017 Power electronic converters enable wind turbines, operating at variable speed, to generate electricity more efficiently. Among variable speed operating turbine generators, permanent magnetic synchronous generator (PMSG) has got more attentions due to low
akhlaghi, Shahrokh +3 more
core +1 more source
Advanced Functional Materials, EarlyView.The hidden role of Cd segregation at grain boundaries is revealed in p‐type Mg3Sb2 by atom probe tomography and other advanced characterizations. Grain boundary Cd enrichment suppresses the SbMg+ hole‐killer formation and lowers potential barriers, enhancing electrical conductivity.
Zhou Li +12 more
wiley +1 more source
Optimal interleaving angle determination in multi paralleled converters considering the DC current ripple and grid Current THD [PDF]
, 2015 A typical application for parallel connected converters is in multi megawatt wind turbine systems. Manipulating the interleaving angle between the Pulse Width Modulated (PWM) carrier waves of each converter can result in reduced grid and DC link current ...
Bede, L. +3 more
core +2 more sources
Advanced Functional Materials, EarlyView.Overdoping high temperature superconductors, such as YBa2Cu3O7‐δ (YBCO), is expected to maxime the critical current density by optimising the condensation energy for a given defect landscape, providing new thrust for the development of fusion enabling coated conductors. Here, precise oxygen control is achieved via an electrochemical method allowing for
Alexander Stangl +7 more
wiley +1 more source
Design of a High-Performance High-Pass Generalized Integrator Based Single-Phase PLL
, 2016 Grid-interactive power converters are normally synchronized to the grid using phase-locked loops (PLLs). The performance of the PLLs is affected by the non-ideal conditions in the sensed grid voltage such as harmonics, frequency deviations and dc offsets
John, Vinod, Kulkarni, Abhijit
core +1 more source
Realization of a 10 kW MES power to methane plant based on unified AC/DC converter [PDF]
, 2018 This paper presents a galvanic isolated multi output AC/DC topology that is suitable for Microbial electrosynthesis (MES) based Power to Methane energy storage systems.
Bosch, Pau +4 more
core +1 more source
Advanced Functional Materials, EarlyView.A fluorine‐rich acrylate monomer (PFHEA) was solvent‐free applied to NCM90 and thermally decomposed under Ar to convert residual lithium into LiF and form a pre‐built LiF/fluorinated amorphous carbon (LiF/FC) interphase. The LiF/FC layer suppresses NiO rock‐salt reconstruction and microcrack propagation, lowers interfacial resistance, and improves Li ...
Pangyu Kim +6 more
wiley +1 more source