Results 61 to 70 of about 667,624 (242)
Chemistry – An Asian Journal, Volume 21, Issue 1, January 2026.Atomically precise coinage metal nanoclusters offer an exceptional platform for probing structure–activity relationships in electrocatalysis. This review first outlines general catalyst‐design principles, emphasizing how ligand environment, morphology, doping, and surface modification govern electrocatalytic behavior.
Yingwei Li +3 more
wiley +1 more source
Recent advances in on-line PDs’detection in power conversion chains used in aeronautics. [PDF]
, 2017 At the dawn of this new millennium, transportations facing a much greener approach, the main aircrafts manufacturers have to change their paradigms: to replace the combination of hydraulic, pneumatic, electrical and mechanical power by a « More » (and ...
Abadie, Cédric +2 more
core +1 more source
电力工程技术In the conventional high voltage direct current transmission system with large-scale new energy access, when commutation failure or DC blocking occurs at the receiving end, the reactive power surplus at the sending converter station may cause overvoltage
Yongrui HUANG +5 more
doaj +1 more source
Flexible composite suppression method for ground arc in resonant grounding system
High Voltage, 2023 A current‐voltage composite controller for an arc suppression inverter is designed. The current and voltage at the fault point are reduced by injecting current and regulating the neutral point voltage to completely eliminate the risk of fire and ...
Jianzhang You +3 more
doaj +1 more source
Selective complex single-phase earth fault protection for distribution medium-voltage networks [PDF]
, 2015 This article deals with selective protection against single-phase earth faults at 6 – 10 kV electrical networks. Different kinds of earth faults, factors influencing the implementation of protection, various principles of protection implementation ...
Dobryagina, O. A. +3 more
core
AC/DC converter with DC fault suppression for aircraft +/- 270 VDC distribution systems [PDF]
, 2015 The increasing electrical demand in commercial and military aircraft justifies a growing need for higher voltage DC primary distribution systems. A DC system offers reduced power losses and space savings, which is of major importance for aircraft ...
Burt, Graeme +4 more
core +1 more source
International Journal of Ceramic Engineering &Science, Volume 8, Issue 1, January 2026.ABSTRACT When the surge arrester is subjected to the working voltage for an extended period, it undergoes alternating current (AC) aging, which degrades the arrester's parameters and affects the safety of the power grid. Ni2O3 is an important additive in the ZnO varistor formulation, and its doping ratio significantly influences the performance of the ...
Lei Wang +4 more
wiley +1 more source
Carbon Neutralization, Volume 5, Issue 1, January 2026.This review summarizes the factors contributing to voltage hysteresis in Li/Na‐ion batteries, such as transition metal migration, anion redox reactions, and incomplete cation redox reactions. It also outlines corresponding modification strategies, including ion doping, surface engineering, and heterojunction formation.
Dianwu Kang +10 more
wiley +1 more source
A hybrid modular multilevel converter for medium-voltage variable-speed motor drives [PDF]
, 2017 Modular multilevel converters (MMC) have revolutionized the voltage-sourced converter-based high-voltage direct current transmission, but not yet got widespread application in medium-voltage variable-speed motor drives, because of the large capacitor ...
Finney, Stephen J. +4 more
core +1 more source
Engineering Reports, Volume 8, Issue 1, January 2026.This article proposes an integrated design method for a 12 kV intelligent ring main unit and constructs a fault diagnosis and isolation model. Firstly, building an integrated hardware platform can significantly improve perception speed and fusion potential.
Rongrong Shan, Jieyun Qiu, Dong Han
wiley +1 more source