Results 21 to 30 of about 10,924 (312)

A fast LVDC vacuum hybrid circuit breaker: Dielectric recovery and design consideration

IET Generation, Transmission & Distribution, 2021
Aiming at the fast protection requirements of electrical ships LVDC distribution system, this paper studies a topology of unidirectional vacuum hybrid circuit breaker.
Siqi Liu, Pengfei Hu, Daozhuo Jiang, Yiqiao Liang, Jinwu Zhuang   +4 more
doaj   +1 more source

PENGEMBANGAN MEDIA OBYEK 3D VACUUM CIRCUIT BREAKER MEMANFAATKAN PIRAMIDA HOLOGRAM

Jurnal Kajian Teknologi Pendidikan, 2019
Media obyek 3 dimensi digital vacuum circuit breaker memanfaatkan pirmida hologram adalah media yang menampilkan obyek tiruan yaitu vacuum circuit breaker berbentuk digital grafis memanfaatkan piramida hologram.Tujuan penelitian ini untuk menghasilkan ...
Dana Kurniawan, Susilaningsih Susilaningsih, Yerry Soepriyanto   +2 more
doaj   +1 more source

Successful fault current interruption on DC circuit breaker [PDF]

, 2016
This study focus on the interruption capability of the DC circuit breaker employing a current commutation approach and evaluates the two main factors that determine the success rate for breaker current interruption, namely the current slope di/dt before ...
Finney, Stephen J., Lim, Tee C., Shan, Yunhai, Williams, Barry W.   +3 more
core   +1 more source

Investigation of the work of the electromagnetic actuator of the vacuum circuit breaker as a object diagnostis [PDF]

, 2019
В роботі запропоновано спосіб визначення вебер-амперної характеристики електромагніту у процесі роботи вакуумного вимикача. Проведено натурний експеримент із вимірюванням електричних параметрів та розрахунком магнітної характеристики обмоток ...
Грабко, Володимир Віталійович, Дідушок, Олег Васильович   +1 more
core   +1 more source

Breakdown performance of vacuum circuit breakers using alternative CF3I-CO2 insulation gas mixture [PDF]

, 2016
In this paper, sulphur hexafluoride (SF6) insulated vacuum interrupter circuit breakers have been used to explore replacing SF6 gas with a trifluoroiodomethane and carbon dioxide (CF3I-CO2) gas mixture.
Griffiths, H., Haddad, A., Widger, P.
core   +1 more source

Design and Implementation of an Auto-Oriented Bidirectional ZCS Hybrid Circuit Breaker

IEEE Access, 2021
To protect power systems from severe short circuit faults, the zero-current switching (ZCS) technique is widely accepted due to its fast interruption speed.
Zhuangxian Jiang, Chao Guo, Chengjin Ye, Yi Ding, Xueyong Tang, Youtong Fang   +5 more
doaj   +1 more source

Investigations on the safe stroke of mechanical HVDC vacuum circuit breaker

The Journal of Engineering, 2019
Here, a DC vacuum arc interruption test based on the hybrid high-speed actuator and the method of commutation is carried out in the synthetic loop system. The safe stroke is one of the basic breaking parameters.
Ning Xia, Jiyan Zou, Deshi Liang, Yang Gao, Zhihui Huang, Yongxing Wang   +5 more
doaj   +1 more source

DC vacuum circuit breaker

CIRED - Open Access Proceedings Journal, 2017
In the last years the progressive increase of distributed and non-programmable energy sources arise the interest in the use of DC for medium-voltage distribution systems. The study focuses on the design considerations of the apparatus required to support the management and protection of these applications.
Lars Liljestrand, Magnus Backman, Lars Jonsson, Marco Riva, Edgar Dullni   +4 more
openaire   +1 more source

Simulation Analysis for Opening Performance of Medium Voltage Vacuum Circuit Breaker Based on ADAMS and Maxwell

MATEC Web of Conferences, 2017
The circuit breakers play a important role in control and protect the power systemand the vacuum circuit breaker has beenwidely used in the field of medium voltage with its excellent opening performance.Virtual prototyping technology is alsobecamemore ...
Ding Xianliang, Wang Zhiming, Yin Qinlin, Chen Pengwei, Zhou Shijin, Yang Yang   +5 more
doaj   +1 more source

Research status and expectation of on-line monitoring technologies of mechanical characteristics of high-voltage vacuum circuit breaker

Gong-kuang zidonghua, 2016
Basic contents of on-line monitoring technologies of mechanical characteristics of high-voltage vacuum circuit breaker were introduced, and various kinds of methods of on-line monitoring were reviewed.
ZHAO Yang
doaj   +1 more source