Results 71 to 80 of about 2,008 (171)

Simulation Analysis of DC Fault Interruption Characteristics of Superconducting Electric Aircraft Propulsion

CSEE Journal of Power and Energy Systems
Environmental issues associated with the aviation industry are getting more attention as air traffic increases. Stringent standards are imposed for fuel consumption and pollution emissions for next-generation aircraft.
Muhammad Junaid, Xiaolong Yu, Shuzhi Cao, Wenqing Yu, Dongsheng Zuo, Jianhua Wang   +5 more
doaj   +1 more source

Design and performance evaluation of low-voltage solid-state DCCB using capacitor-based surge mitigation techniques

Power Electronic Devices and Components
This article conducts practical tests on four different configurations of solid-state DC circuit breakers (SS-DCCBs), investigating fault detection and circuit interruption phenomena in DC systems.
Mehdi Moradian, Tek Tjing Lie, Kosala Gunawardane   +2 more
doaj   +1 more source

Lightning Surge Immunity of LED Road Luminaires: A Comparative Study of Hybrid SPD, EMI Filter, and TVS-Diode Protection Strategies

IEEE Access
This study presents an experimental evaluation of surge protection performance of a LED road luminaire subjected to standardized 8/ $20\mu $ s impulse stress.
Vasilios P. Androvitsaneas
doaj   +1 more source

Improvement of interface bonding of bacterial cellulose reinforced aged paper by amino-silanization [PDF]

The aging of paper seriously threatens the service life of cultural heritage documents. Bacterial cellulose (BC), which has a good fiber aspect ratio and is rich in hydroxyl groups, is suitable for strengthening aged paper. However, a single BC added was
Fan, Huiming, Ji, Xingxiang, Mou, Hongyan, Song, Helong, Wu, Ting, Wu, Xiao, Zhang, Hongjie   +6 more
core   +1 more source

System and Component Failure from Electrical Overstress and Electrostatic Discharge [PDF]

, 2017
Electrical overstress (EOS) and electrostatic discharge (ESD) have been an issue in devices, circuit and systems for electronics for many decades, as early as the 1970s, and continued to be an issue to today.
Voldman, Steven H.
core   +2 more sources

Effects of Dopants and Processing Parameters on the Properties of ZnO-V₂O₅-Based Varistors Prepared by Powder Metallurgy: A Review. [PDF]

Materials (Basel), 2023
Lungu MV.
europepmc   +1 more source

A Review of Lightning Protection System - Risk Assessment and Application [PDF]

, 2017
 A lightning strike could bring thousands mega-ampere of current in a blink of eyes. As a result, a failure of grounding the strike may cause serious damage to the home and industrial appliances and gadgets.
Azali, Noor Atiqah, Chua, Qing Shi, Goh, Hui Hwang, Goh, Kai Chen, Ling, Chin Wan, Shaari, Jamil, Sim, Sy yi   +6 more
core   +2 more sources

Devices Selection and Topology Comparison for Medium Voltage DC Solid State Circuit Breakers [PDF]

, 2017
DC grid has been treated as a viable solution to solve green-house effect and reduce the cost of fossil fuels. Compared with AC grid, DC grid shows many inherent advantages, such as high efficiency power delivery, less expensive to deploy and no need for
Zhang, Yihui
core   +1 more source

DC-SSCB Snubber for Electric Propulsion Ships With Effective Surge Voltage Reduction and Fast Dissipation of Fault Current Energy

IEEE Access
This paper proposes a snubber circuit for SSCB that performs voltage clamping operation in two stages to reduce surge voltage. The surge voltage is suppressed in the first stage using a MOV with low operating initiation and clamping voltages.
Jae-Hun Cha, Guangxu Zhou, Sung-Geun Song, Feel-Soon Kang   +3 more
doaj   +1 more source

Degradation analysis of metal oxide varistors under harmonic distortion conditions [PDF]

, 2016
A thesis submitted in ful lment of the requirements for the degree Doctor of Philosophy in Electrical Engineering May 2016Modern electrical networks provide an opportunity for inevitable interaction between metal oxide arresters and power system ...
Bokoro, Pitshou Ntambu
core