Arc motion and gas flow in current limiting circuit breakers operating with a low contact switching velocity [PDF]
, 2002 Arc motion in low voltage (240 VAC) high current (10/sup 3/-10/sup 4/A.) current limiting-circuit breakers is dominated by arc root mobility. The mobility is influenced by the gas flow and gas composition in the contact region, but there is little ...
Weaver, P.M. +2 more
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Arc root mobility on piezoelectrically actuated contacts in miniature circuit breakers [PDF]
, 2005 A novel contact opening mechanism has been developed using a piezoelectric actuator to open the contacts in a low contact opening velocity circuit breaker.
Weaver, P.M. +5 more
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Influence of single-phase circuit breaker tripping on inverter commutation
电力工程技术, 2022 If commutation failure does not occur when single-phase high resistance grounded in single-circuit AC line of inverter,then single-phase circuit breaker tripping may lead to commutation failure.
SONG Xinfu +4 more
doaj +1 more source
Development of non-intrusive monitoring for reactive switching of high voltage circuit breaker [PDF]
, 2014 High-voltage circuit breakers are among the most important equipments for ensuring the efficient and safe operation of an electric power system. On occasion, circuit breaker operators may wish to check whether equipment is performing satisfactorily and ...
Pater, Ryszard +6 more
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Fault Interruption Scheme for HVDC System Using SiC-MESFET and VCB Based Hybrid Circuit Breaker
IEEE Access, 2021 As high voltage DC power system is gaining popularity, power electronic switching devices are becoming increasingly advanced to overcome problems of timely fault isolation.
Waheed A. Khan +6 more
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A high-voltage circuit breaker condition assessment method using the vibration fingerprint based on VMD-EM method [PDF]
, 2020 The reliability of the operations of the high-voltage circuit breaker is the key to the stable power system, so it's fault diagnosis and condition assessment it is of great significance.
Ermidoro, Michele
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Research on the Simulation Method of Dynamic Response of High Voltage Circuit Breaker During Operation [PDF]
, 2016 High voltage circuit breaker (CB) is one of the most important components in high voltage circuit. In the process of operation, some kinds of mechanical faults such as jam fault, component deformation and component failure may occur and affect the ...
Y. Pan, K. Zhao, X. D. Liu, J. G. Yang
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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 +7 more
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Mechanism Analysis and Simulation Study of Closing Overvoltage Fault in EMU Circuit Breaker
Chengshi guidao jiaotong yanjiuObjective The overvoltage caused by circuit breaker closing will aggravate the insulation aging of high voltage equipment when EMU (electric multiple units)passes neutral section.
ZHANG Mingrui +2 more
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Experimental Modeling of Forward Recovery Characteristics of IGBT for DC Circuit Breaker
Zhongguo dianli, 2021 DC circuit breaker is the main means to clear the faults in VSC-HVDC power grid. Before action of the hybrid DC circuit breaker, the IGBT in the transfer branch is in a state of zero voltage and zero current.
Hong SHEN +4 more
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