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A Mechanical Defect Localization and Identification Method for High-Voltage Circuit Breakers Based on the Segmentation of Vibration Signals and Extraction of Chaotic Features [PDF]
Sensors, 2023 To address the problem of mechanical defect identification in a high-voltage circuit breaker (HVCB), this paper studies the circuit breaker vibration signal and proposes a method of feature extraction based on phase-space reconstruction of the vibration ...
Shi Cao +7 more
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Investigation on the fault monitoring of high-voltage circuit breaker using improved deep learning. [PDF]
PLoS ONE, 2023 Mechanical faults are the main causes of abnormal opening, refusal operation, or malfunction of high-voltage circuit breakers. Accurately assessing the operational condition of high-voltage circuit breakers and delivering fault evaluations is essential ...
Hao Chen +5 more
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Optimal circuit breaker allocation strategy in DC transmission-connected systems [PDF]
Scientific ReportsThe purpose of this study is to provide data for the best possible circuit breaker allocation in power grids with HVDC transmission while taking circuit breaker failure into account. The lack of a suitable selection of HVDC circuit breakers is one of the
Beopsoo Kim, Insu Kim
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, 2015 The U.S. has had market-wide circuit breakers in place since the late 1980s, and individual stock circuit breakers were put in place more recently. Given the increasing volatility in Chinese markets, they are now following suit.
Dolvin, Steven D.
openaire +3 more sources
Applied Sciences, 2021 This paper deals with circuit breakers (CBs) used in direct current microgrids (DCMGs) for protection against electrical faults, focusing on their evolution and future challenges in low voltage (
Bayron Perea-Mena +4 more
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Insulation Resistance and Tracking Index of Circuit Breaker According to the Accelerated Aging Test
IEEE Access, 2023 This study examined insulation resistance and tracking index characteristics through the accelerated aging test of low-voltage circuit breakers. The leakage current was found to be influenced by external factors rather than the internal structure ...
Sin-Dong Kang, Jae-Ho Kim
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Results in Engineering, 2022 High-voltage circuit breakers are among the most critical elements of the switching nodes of the power system. The localization of failures and the restoration of the normal operational mode of the power system are largely determined by the reliable ...
Illia Diahovchenko +2 more
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Innovative X-ray control technology of high-voltage circuit breaker technical condition [PDF]
E3S Web of Conferences, 2020 The paper presents the results of practical application of an instrumentation and analytical system (IAS) for X-ray control of minimum oil and SF6 circuit breakers. The capabilities of IAS are described and the technology for its implementation is given.
Darian Leonid +2 more
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Transient Characteristics Analysis of 500kV Parallel Circuit Breaker Based on Highly Coupled Split Reactor [PDF]
E3S Web of Conferences, 2019 With the continuous expansion of power system capacity, parallel high-voltage circuit breakers with a Highly Coupled Split Reactor (HCSR) have a potential application for limitation of high short-circuit current. However, as the parallel circuit breakers
Xiang Changyuan +3 more
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