Results 81 to 90 of about 1,432 (200)

Tower Air-gaps discharge characteristics and insulation coordination for UHV AC double-circuit line

The Journal of Engineering, 2019
In order to give out inverse V-type insulator tower air-gaps configuration of double-circuit UHV AC power transmission line, different distance air-gaps from high-voltage electrode to tower frame discharge tests of inverse V-string are carried out ...
Huo Feng, Nan Jing, Ye Qiming, Ma Yeming
doaj   +1 more source

Switchable Photoelectrochemistry in Thin Films of SbSI Microrods

Solar RRL, Volume 10, Issue 7, 15 April 2026.
Thin film electrodes consisting of SbSI microrods demonstrate photoelectrochemical properties that can be tuned by adjusting the film thickness, pH of electrolyte, and O2 concentration. The performance of SbSI electrodes can also be switched by changing the temperature and thus employing the ferroelectric transition.
Hanna Maltanava, Nikita Belko, Dmitry Semenov, Andrei Beliaev, Jari T. T. Leskinen, Sari Suvanto, G. Krishnamurthy Grandhi, Paola Vivo, Polina Kuzhir   +8 more
wiley   +1 more source

Efficient Control of IGBT Transistor as Part of Overvoltage Protection

, 2017
The paper analyzes the phenomena of appearance of overvoltage during the switching-off of the IGBT transistor which arecaused by the presence of parasitic inductance in the switching circuit.
Jovančić, Nenad, Hadžimejlić, Nijaz, Ćeklić, Pero   +2 more
core   +2 more sources

Recent advances in boosting interfacial bubble dynamics with external fields

Droplet, Volume 5, Issue 2, April 2026.
External physical fields, including acoustic, magnetic, thermal, mechanical, and optical stimuli, accelerate the entire bubble‐dynamics sequence of nucleation, growth, and detachment. Abstract The efficiency of industrial electrocatalytic reactions depends not only on generating gaseous products but also on their detachment from the catalyst surface ...
Wenlu Xie, Yanwei Zhang, Yi Liu, Yiming Wei, Jing‐Li Luo, Chenyu Xu   +5 more
wiley   +1 more source

Impact Factor Identification for Switching Overvoltage in an Offshore Wind Farm by Analyzing Multiple Ignition Transients

IEEE Access, 2019
This paper investigates the impact factors of switching transient overvoltage (SOV) in an offshore wind farm (OWF) by analyzing multiple ignitions of a vacuum circuit breaker.
Jiujiang Zhou, Yanli Xin, Wenhu Tang, Gang Liu, Qinghua Wu   +4 more
doaj   +1 more source

Series Connection of LCC and Full Bridge MMC With DC Fault Ride‐Through Capability for Lightweight HVDC Transmission

Engineering Reports, Volume 8, Issue 4, April 2026.
In this work, we investigate a lightweight HVDC converter topology that combines the strengths of line‐commutated converters (LCC) and full‐bridge modular multilevel converters (MMC) to address the high cost and large footprint of conventional HVDC stations.
Yang Wang, Yuchao Zheng, Qian Wu, Linyuan Wang, Meng Ruan, Yixin Pan, Xiangjun Quan, Fei Zhang   +7 more
wiley   +1 more source

Hierarchical Game‐Theoretic Defense Strategy for Coordinated Attacks in Hybrid AC/DC Cyber‐Physical Power Systems

Energy Internet, Volume 3, Issue 1, Page 52-65, April 2026.
ABSTRACT This paper proposes a game‐theoretic optimisation framework for designing attack and defence strategies in hybrid AC/DC cyber‐physical power systems (CPPS). The proposed framework employs a three‐layer planning hierarchy. The upper layer introduces a novel target importance index combining complex network theory and power flow entropy.
Kaishun Xiahou, Xiaomin Lu, Yuchen Zeng, Wei Du, Jiehui Zheng, Zhaoxi Liu   +5 more
wiley   +1 more source

Output Overvoltage in DC-DC Switching Converters in Case of Sudden Unloading

, 2021
In present time the high efficiency switching DC/DC converters, e.g. buck and boost are often used. This work describes some problems of DC-DC converters, which can occur, when the load is suddenly disconnected or simultaneous disconnection of ...
Hammerbauer, Jiří, Štork, Milan
core   +1 more source

Prediction Method of Closing Action Time of Vehicle Pneumatic Main Circuit Breaker Based on PCA and GBDT Algorithm

World Electric Vehicle Journal
The switching action of the main circuit breaker of the train will produce switching overvoltage. In order to suppress the switching overvoltage, the phase selection control of the circuit breaker is required.
Ruoyu Li, Qingfeng Wang, Jianqiong Zhang, Xiangqiang Li   +3 more
doaj   +1 more source

A comprehensive review of coordinated operation of transmission‐distribution networks: Frameworks, problems and future trends

Energy Conversion and Economics, Volume 7, Issue 2, Page 69-86, April 2026.
Abstract The rapid growth of distributed energy resources (DERs) is reshaping the operational landscape of transmission and distribution networks, creating new challenges for maintaining system‐wide security, economic efficiency and flexibility. Transmission‐distribution (T‐D) coordination has emerged as an essential paradigm for facilitating multi ...
Yining Yang, Zechun Hu, Ninghui Yang, Alexis P. Zhao, Chenghong Gu   +4 more
wiley   +1 more source