Results 81 to 90 of about 8,848 (229)

Коммутационные испытания экспериментального вакуумного выключателя [PDF]

, 2016
Актуальность работы обусловлена активно происходящим техническим перевооружением электрических сетей среднего класса напряжения на предприятиях нефтегазового комплекса Российской Федерации.
Кладько, Андрей Александрович, Лавринович, Валерий Александрович, Убиенных, Борис Иннокентьевич   +2 more
core  

Anode thermal process in high current vacuum arc under low frequency AC discharge condition

AIP Advances
Low frequency AC transmission systems exhibit extensive application prospects in scenarios such as long distance offshore wind power transmission and have garnered significant attention in developing eco-friendly power systems. Compared with conventional
Zaiqin Zhang, Xinting Guo, Chuang Wang, Qingqing Gao, Chi Chen   +4 more
doaj   +1 more source

Characteristics and Control of High Current Vacuum Arc Deflection Under the Impact of Lateral Magnetic Field

IEEE Access
In high-voltage switchgear, the external busbars and conductive rods of a handcart-type vacuum circuit breaker form a “U” shaped loop.
Jingjing Li, Xinyu Zhu, Yiping Jiang, Xu Peng, Qihan Li, Xiaolong Huang   +5 more
doaj   +1 more source

Impact of key design constraints on fault management strategies for distributed electrical propulsion aircraft [PDF]

, 2017
Electrically driven distributed propulsion has been presented as a possible solution to reduce aircraft noise and emissions, despite increasing global levels of air travel.
Flynn, Marie-Claire, Galloway, Stuart J., Jones, Catherine E., Norman, Patrick J., Rakhra, Puran   +4 more
core   +1 more source

Apollo command module mockup flammability tests [PDF]

Apollo command module mockup flammability tests using three different ...
Bricker, R. W., Crabb, J. P., Primeaux, G. R., Schomburg, C.   +3 more
core   +1 more source

Impact Assessment of Hypothesized Cyberattacks on Interconnected Bulk Power Systems

, 2018
The first-ever Ukraine cyberattack on power grid has proven its devastation by hacking into their critical cyber assets. With administrative privileges accessing substation networks/local control centers, one intelligent way of coordinated cyberattacks ...
Ginter, Andrew, Ten, Chee-Wooi, Vasilakos, Athanasios V., Yamashita, Koji, Yang, Zhiyuan   +4 more
core   +1 more source

Analysis and Research of the Electric Field in the Vacuum Arc Interrupter of a 31.5 kV Vacuum Circuit Breaker

Energies
The insulation performance of vacuum arc interrupters greatly affects the reliability of vacuum circuit breakers. Optimizing the electric field distribution of a vacuum arc interrupter can improve its insulation performance.
Naming Zhang, Siying Yang, Yuan Feng, Zechen Bai, Shuhong Wang, Shuya Ning   +5 more
doaj   +1 more source

A plasma arc jet facility for extraterrestrial atmospheric entry studies [PDF]

Test facility for simulating thermodynamic environments of planetary atmospheric ...
Moran, T. F.
core   +1 more source

Recent Trend of Vacuum Circuit Breakers

Journal of the Vacuum Society of Japan, 2009
The recent trend in the development and the application of Vacuum Circuit Breakers (VCBs) as an environmental friendly equipment for electric power transmission and distribution is described. Using VCB's for circuit breakers and switchgear and extending the range of application of VCB's lead to reduce the usage of SF6 gas, whose global warming ...
openaire   +2 more sources

Apollo experience report: Command and service module sequential events control subsystem [PDF]

The Apollo command and service module sequential events control subsystem is described, with particular emphasis on the major systems and component problems and solutions.
Johnson, G. W.
core   +1 more source