Results 101 to 110 of about 17,163 (306)

55% Efficient High-Power Multijunction Photovoltaic Laser Power Converters for 1070 nm

Photonics
High-efficiency multijunction laser power converters are demonstrated for the first time at high power for optical inputs around 1070 nm. The InP-based photovoltaic power-converting III–V heterostructures are designed with eight lattice-matched InGaAsP ...
Simon Fafard, Denis Masson
doaj   +1 more source

Organic Photoelectrochemical Cells Beyond Performance: Interface and Catalyst Engineering for Durability

Advanced Energy Materials, EarlyView.
Organic photoelectrochemical cells based on π‐conjugated semiconductors offer a versatile platform for solar fuel generation. This review outlines operating principles, device architectures, and key metrics, and highlights advances in p‐ and n‐type photoelectrodes, interfacial engineering, and catalyst integration.
Jaehyeong Kim, Jung Min Ha, Yeonjeong Lee, Seung Won Oh, Wangyeon Lee, Munsu Kwon, Soonyong Lee, Jin Young Kim, Han Young Woo   +8 more
wiley   +1 more source

Space Vector Modulation Technique to Reduce Leakage Current of a Transformerless Three-Phase Four-Leg Photovoltaic System

Iranian Journal of Electrical and Electronic Engineering, 2017
Photovoltaic systems integrated to the grid have received considerable attention around the world. They can be connected to the electrical grid via galvanic isolation (transformer) or without it (transformerless).
F. Hasanzad, H. Rastegar, G. B. Gharehpetian, M. Pichan   +3 more
doaj  

A GaN-Integrated Galvanically Isolated Data Link Based on RF Planar Coupling With Voltage Combining for Gate-Driver Applications

IEEE Access
In this paper the design of a galvanically isolated data link for gate-driver applications in GaN technology is presented. The isolation channel exploits the near-field RF planar coupling between micro-antennas placed on two side-by-side co-packaged ...
Simone Spataro, Egidio Ragonese, Nunzio Spina, Giuseppe Palmisano   +3 more
doaj   +1 more source

Towards Advanced Intelligent and Perceptive Soft Grippers

Advanced Intelligent Systems, EarlyView.
Implementing soft yet strong and intelligent soft grippers request innovative and creative solutions in designing soft bodies and seamlessly integrating actuated systems with hierarchical sensing. This review systematically analyses soft grippers with a deep understanding of core components, from fundamental design principles to actuation and sensing ...
Haneul Kim, Hayeon Shin, Seik Park, Changbeom Shim, Seonggun Joe   +4 more
wiley   +1 more source

Power supply of the SDS1102 oscilloscope from the mains and external battery

Известия Томского политехнического университета: Промышленная кибернетика
In technical cybernetic systems, it is impossible to do without exchanging information between devices. To analyze signals inside systems and devices, specialized devices – oscilloscopes – are used. They allow observation of signal shape over time.
Kirill A. Volobuev, Violetta M. Moskaleva, Igor V. Trubin, Vitaly G. Trubin   +3 more
doaj   +1 more source

Inductive Sensor for measuring partial discharges in electrical machines [PDF]

, 2009
The research group 'Diagnosis of Electrical Machines and Insulation Materials (DIAMAT) of the University Carlos III of Madrid, has developed an inductive sensor that can detect and measure partial discharge that are characteristic in electrical machines (
Martínez Tarifa, Juan Manuel, Robles Muñoz, Guillermo, Sanz Feito, Javier   +2 more
core   +1 more source

Cerebrospinal Fluid from Restless Legs Syndrome Patients Reduces Iron Uptake in Blood–Brain Barrier Endothelial Cells by Disrupting the Regulation of Transferrin Receptors

Annals of Neurology, EarlyView.
Model figure of BBBECs TfR1 regulation in control and RLS: Graphical representation of TfR1 regulation in ECs by IRPs and representing it can be dysregulated by miR‐124‐3p in ECs of RLS. FPN1, ferroportin; BBBEC, blood‐brain barrier endothelial cells; IRP, iron regulatory proytein1/2; TfR1, Transferrin receptor; IRE, Iron responsive elements; Tf ...
Kondaiah Palsa, Aurosman Pappus Sahu, David B. Rye, Lynn Marie Trotti, Irina A. Elcheva, Vladimir S. Spiegelman, James R. Connor   +6 more
wiley   +1 more source

67.5% Efficient InP-Based Laser Power Converters at 1470 nm at 77 K

Photonics
Recent developments in long wavelength and cryogenic laser power converters have unlocked record performances in both areas. Here, devices for an optical input at ~1470 nm are studied for cryogenic applications, combining these cryogenic and long ...
Simon Fafard, Denis Masson
doaj   +1 more source

Impact of Repair Joints in Fencing Wire on Data Communications: How to Receive Radio and Block Data using No. 8 Wire [PDF]

, 2014
Modern electric fences have remote controls and remote monitors that communicate with the energizer through the active fence wire. This manuscript looks at the impact of repair joints on the data communications between energizer and remotes.
McMullan, Jonathon, Scott, Jonathan B.
core   +1 more source