Results 61 to 70 of about 3,886 (229)
A life prediction scheme for electrolytic capacitors in power converters without current sensor [PDF]
, 2010 Predicting the expected life of switching power supply is essential since unexpected failure of the subsystem can produce enormous loss. Electrolytic capacitor is the weakest among various power components in a power converter.
Pang, HM, Pong, BMH
core +1 more source
High‐Isolation LCoS‐Based Optical Switch with Phase Hologram Parameter Optimization
Advanced Photonics Research, Volume 6, Issue 9, September 2025.A 1 × 9 liquid crystal on silicon (LCoS)‐based optical switch is experimentally demonstrated, revealing that the worst‐case port isolation exceeds 37 dB within the wavelength range of 1460–1540 nm. This work offers an alternative route for the development of optical switches with a large number of ports and high isolation, applicable to large‐capacity ...
Linbojie Huang +8 more
wiley +1 more source
More general definition of energy factor and its application in isolated converters [PDF]
, 2014 Author name used in this publication: K. W. E. ChengAuthor name used in this publication: S. L.
Cheng, KWE, Ho, SL, Shi, Z, Xu, W
core
An Efficiency-Focused Design of Direct-DC Loads in Buildings [PDF]
, 2019 Despite the recent interest in direct current (DC) power distribution in buildings, the market for DC-ready loads remains small. The existing DC loads in various products or research test beds are not always designed to efficiently leverage the benefits ...
Brown, Richard +2 more
core +3 more sources
Quantitative Electron Beam‐Single Atom Interactions Enabled by Sub‐20‐pm Precision Targeting
Advanced Science, Volume 12, Issue 34, September 11, 2025.Atomic lock‐on (ALO) is a rapid, low‐dose in situ technique in scanning transmission electron microscopy (STEM) that achieves sub‐20 picometer (pm) beam positioning. A sparse annular scan collects positional information while avoiding irradiation of the target site.
Kevin M. Roccapriore +2 more
wiley +1 more source
A Review of Vertical Ga2O3 Diodes: From Fabrication to Performance Optimization and Future Outlooks
physica status solidi (b), Volume 262, Issue 8, August 2025.Gallium oxide (Ga2O3) diodes are emerging as promising components in power electronics, offering an ultrawide bandgap, high breakdown electric field, and cost‐effective growth methods. This article reviews recent advancements in Ga2O3 diodes, highlighting their fabrication techniques, performance in high‐voltage applications, and ongoing research ...
Jose Manuel Taboada Vasquez, Xiaohang Li
wiley +1 more source
Power Factor Corrector with Bridgeless Flyback Converter for DC Loads Applications
Energies, 2018 Since power systems with a DC distribution method has many advantages, such as conversion efficiency increase of about 5⁻10%, cost reducing by about 15⁻20% and so on, the AC distribution power system will be replaced by a DC distribution one.
Sheng-Yu Tseng +2 more
doaj +1 more source
A method to analysis and design for long life power converter [PDF]
, 2010 Engineers are always looking for more reliable or longer life power converters. Electrolytic capacitor is the critical component to be considered. Using the powerful calculation tools like Mathcad and Matlab and allowable life model, this paper aims at ...
Pang, HM, Pong, BMH
core +1 more source
Advanced Materials, Volume 37, Issue 26, July 3, 2025.Single‐layer magnetization switching with a small critical current density of ≈106 A cm−2 is demonstrated. The strong intrinsic spin Hall effect, causing the switching, is induced by the synergy of the inherent spin‐orbit coupling and the spontaneous oxygen octahedral rotation in SrRuO3.The findings highlight the immense potential for realizing ...
Hiroto Horiuchi +11 more
wiley +1 more source
On Dead-Time Optimization and Active Gate Driving in Flyback Converters With Synchronous Rectifiers
IEEE AccessFlyback converters with synchronous rectifiers are an important topic in power electronics, given their widespread use in various applications and the focus on efficiency improvement.
Daniel A. Philipps +2 more
doaj +1 more source