Results 21 to 30 of about 646,489 (284)
The energetics of gas flow and contact erosion during short circuit arcing [PDF]
, 2004 The processes governing the movement of short circuit arcs in circuit breakers are complex and variable and the detailed understanding of these processes is incomplete.
Weaver, P.M. +2 more
core +1 more source
Fault diagnosis of circuit breaker based on improved dynamic time warping algorithm
Gong-kuang zidonghua, 2016 In order to accurately diagnose the fault of circuit breaker according to its condition monitoring data, a fault diagnosis method of circuit breaker based on improved dynamic time warping algorithm was proposed.
JIANG Zhihao, YU Qun, DONG Li
doaj +1 more source
Design of ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker
IET Generation, Transmission & Distribution, 2022 This paper proposes a ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker. In this paper, the interruption processes of the main branch, transferring branch, and MOV (metal oxide varistors) branch are studied by PSCAD/EMTDC computer ...
Chenyang Liu +4 more
doaj +1 more source
Energies, 2022 In this paper, a new design is provided so that the Z-source circuit breaker with a mechanical switch operates quickly at a low-impedance fault. When the fault occurs, the Z-source circuit breaker uses an impedance network to generate forced current zero
Hyeon-Seung Lee +3 more
doaj +1 more source
Energies, 2022 We proposed a superconducting DC circuit breaker that can reliably cut off the fault currents in preparation for the DC system. It consists of a superconducting element and a mechanical DC circuit breaker.
Sang-Yong Park +3 more
doaj +1 more source
Key stress extraction and equivalent test method for hybrid DC circuit breaker
Global Energy Interconnection, 2018 Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application environment and topological ...
Chong Gao +4 more
doaj +1 more source
, 2020 The low-voltage circuit breakers are widely used to protect loads in the distribution system. Interruption reliability of circuit breakers is important because they are a protective device close to the customer.
Kun-A Lee, Young-Maan Cho
core +1 more source
Determination of protection system requirements for DC UAV electrical power networks for enhanced capability and survivability [PDF]
, 2011 A growing number of designs of future Unmanned Aerial Vehicle (UAV) applications utilise dc for the primary power distribution method. Such systems typically employ large numbers of power electronic converters as interfaces for novel loads and generators.
Burt, Graeme +3 more
core +4 more sources
A short circuit current evaluation method based on the branch fault current of the circuit breaker
Zhejiang dianli, 2023 With the rapid load growth and the increasing density of power grids， the overrun short-circuit current becomes increasingly aggravated. To accurately assess the short-circuit current level of the system is crucial to ensure the safe and stable operation
DONG Wei +5 more
doaj +1 more source
The Journal of Engineering, 2019 In order to reveal the process of insulation destruction of circuit breaker in GIS under lightning impulse voltage, a new method of transient insulation numerical analysis is described in this paper.
Wu Qi +3 more
doaj +1 more source