Results 11 to 20 of about 4,011 (301)
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
Restrike characteristics of vacuum circuit breaker in its opening process under DC voltage
IET Science, Measurement & Technology, 2023 The restrike of vacuum circuit breaker during the breaking process causes overvoltage and intensifies the insulation deterioration of high‐voltage equipment. To solve this problem, the vacuum breaker aging test method and the restrike characteristics are
Jixing Sun +8 more
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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
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Environmental Compatible Circuit Breaker Technologies [PDF]
, 2021 Recent research and development in the field of high-current circuit breaker technology are devoted to meeting two challenges: the environmental compatibility and new demands on electrical grids caused by the increasing use of renewable energies ...
core +1 more source
Simulation of supersonic flow in high-voltage circuit breakers
IET Conference Proceedings, 2023 High-voltage circuit breakers (HVCB) are critical protection and control equipment in the electric transmission and distribution system. Analysis of the arc quenching process in the nozzle through modelling and simulation is a key stage in the development process of the HVCB.
Qiao, Yujiao +2 more
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Energy Reports, 2023 An essential piece of equipment for the protection and management of the electricity grid is a high voltage(HV) circuit breaker. The reliability and stability of the electricity grid are directly affected by the condition of operation of a high voltage ...
Kuan Zhang +3 more
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Parameters design of voltage sharing components for the series multi‐break mechanical switch
IET Science, Measurement & Technology, 2022 Series multi‐break mechanical switch is one of the critical components of high‐voltage hybrid DC circuit breakers. However, due to the existence of distributed capacitance, the voltage distribution between the breaks is not balanced.
Daochun Huang +5 more
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IEEE Access, 2020 The direct current (DC) circuit breaker based on semiconductor power devices is one of the critical components in multiterminal flexible high voltage DC transmission technology.
Xin Liu +3 more
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Real-Time Monitoring of High Voltage Switch Based on CAD
Advances in Multimedia, 2022 In the process of online real-time monitoring of intelligent digital filter high-voltage switchgear, the mechanical state diagnosis of high-voltage circuit breaker is based on fully understanding the mechanical characteristics of each component of ...
Long Di +5 more
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IEEE Open Journal of Power Electronics, 2021 This paper presents a design and performance evaluation of three different overvoltage suppression circuits employed in a solid-state circuit breaker for medium- to high-power and low- to medium-voltage DC grids.
Andreas Giannakis, Dimosthenis Peftitsis
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