Online monitoring and diagnosis of high voltage circuit breaker faults: feature extraction analysis of vibration signals [PDF]
International Journal of Metrology and Quality Engineering, 2019 The development of power grid system not only increases voltage and capacity, but also increases power risk. This paper briefly introduces the feature extraction method of the vibration signal of high voltage circuit breaker and support vector machine ...
Li Long +4 more
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CFD Simulation of Transonic Flow in High-Voltage Circuit Breaker [PDF]
International Journal of Chemical Engineering, 2012 A high-voltage circuit breaker is an indispensable piece of equipment in the electric transmission and distribution systems. Transonic flow typically occurs inside breaking chamber during the current interruption, which determines the insulating ...
Xiangyang Ye, Mahesh Dhotre
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Research status and expectation of on-line monitoring technologies of mechanical characteristics of high-voltage vacuum circuit breaker [PDF]
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
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Research on transient insulation numerical analysis method of circuit breaker in GIS under lightning impulse voltage [PDF]
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
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Research of Fault Diagnosis Method for High-voltage Circuit Breaker Based on Data Fusio [PDF]
Gong-kuang zidonghua, 2010 In order to improve fault diagnosis level of high-voltage circuit breaker, the method of using D-S evidence theory to fuse data obtained by different types of sensors was researched and it was used in fault diagnosis for high-voltage circuit breaker ...
MIAO Hong-xia, WANG Hong-hua
doaj +1 more source
Deep auto-encoder network for mechanical fault diagnosis of high-voltage circuit breaker operating mechanism [PDF]
Paladyn, 2023 To improve the accuracy of the mechanical fault diagnosis of the operating mechanism and fully exploit the characteristic information in the vibration signal of the high-voltage circuit breaker, a mechanical fault diagnosis method of the operating ...
Yang Qiuping, Hao Fang
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A Neural Network Based Response Model for High Voltage Circuit-Breaker Testing [PDF]
Advances in Electrical and Electronic Engineering, 2018 Innovative test methods for circuit breakers are constantly sought after to reduce maintenance time and costs, yet still provide accurate assessment of this critical substation equipment.
Wesley Doorsamy, Pitshou Bokoro
doaj +3 more sources
Application of Multiscale Entropy in Mechanical Fault Diagnosis of High Voltage Circuit Breaker. [PDF]
Entropy (Basel), 2018 Mechanical fault diagnosis of a circuit breaker can help improve the reliability of power systems. Therefore, a new method based on multiscale entropy (MSE) and the support vector machine (SVM) is proposed to diagnose the fault in high voltage circuit ...
Dou L, Wan S, Zhan C.
europepmc +2 more sources
Structural diagram of high-voltage circuit breaker. [PDF]
, 2023 Structural diagram of high-voltage circuit breaker.
Yucheng Zhang (136327) +5 more
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Research on the Reliability Test and Life Assessment Methods of Relays Used in Circuit Breaker Operating Mechanism [PDF]
, 2023 As one of the key components of the circuit breaker operating mechanism, the relay can experience performance degradation due to harsh environmental factors, such as salt spray, during operation, which can ultimately affect the normal operation of the ...
Chao Gao +5 more
core +1 more source