Results 41 to 50 of about 6,330 (207)
High Voltage, 2019 High-voltage direct current circuit breakers (HVDC CB) are one of the key technologies of multi-terminal DC systems and DC grids. Different from other equipment that use a large number of power electronic devices, the HVDC CB cannot obtain its power from
Xiangyu Zhang +7 more
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A Real-Time IR-Fusion Switchgear Contact Monitoring System (SCMS)
IEEE Access, 2017 In this paper, a real-time monitoring system for switchgear contacts (switchgear contact monitoring system) with continuous thermal monitoring is presented instead of infrequent scanning with a handheld infrared (IR) camera or IR window.
Yunfeng Yan, Donglian Qi, Hong Gu
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Comparison of Dielectric Recovery After Arc Burning in SF6 Gas and Its Potential Alternatives
High Voltage, EarlyView.ABSTRACT Although sulphur hexafluoride (SF6) exhibits exceptional insulating properties, it is a potent greenhouse gas. Therefore, studying alternatives to SF6 is critical for developing environmentally friendly high‐voltage electrical equipment.
Ziqi Liu +4 more
wiley +1 more source
High Voltage, EarlyView.ABSTRACT To address the issue of low detection accuracy for zero‐value insulators in distribution lines, this study proposes a novel method for detecting these insulators based on the electroluminescence effect. Through theoretical analysis and experimentation, it was found that the luminescence intensity of ZnS:Cu electroluminescent material varies ...
Jianghai Geng +6 more
wiley +1 more source
PSMG switchgear seismic analysis [PDF]
, 1977 LOFT primary coolant system motor generator (PSMG) switchgear boxes were analyzed for sliding and overturning during a seismic event. Boxes are located in TAN-650, Room B-239, with the PSMG generators.
Kuehster, C. J.
core +1 more source
10 kV, 1600 A distribution switchgear panel [PDF]
, 2021 Лапшинов Є.Д. Комплектний розподільний пристрій 10 кВ, 1600 А: бакалаврська робота / Є.Д. Лапшинов. – Запоріжжя: НУ «Запорізька політехніка», 2021. – 105 с.UK: Об'єктом дослідження є Комплектний розподільний пристрій 10 кВ, 1600 А.
Лапшинов, Євгеній Дмитрович +1 more
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Applied Sciences, 2023 Mechanical defects and partial discharge (PD) defects can appear in the indoor switchgear of substations or distribution stations, making the switchgear a safety hazard. However, traditional acoustic methods detect and identify these two types of defects
Dongyun Dai +5 more
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High Voltage, EarlyView.ABSTRACT Heavy construction machinery is essential for power infrastructure construction and maintenance, making safety distance measurement crucial for ensuring operational safety. Existing methods, which rely on target space mapping, face challenges such as error accumulation and limited accuracy.
Fuqi Ma +4 more
wiley +1 more source
Seismic capacity of switchgear [PDF]
, 1989 As part of a component fragility program sponsored by the USNRC, BNL has collected existing information on the seismic capacity of switchgear assemblies from major manufacturers.
Bandyopadhyay, K. +3 more
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Study on the Power‐Frequency Arc Extinction Characteristics of Semi‐Closed Short‐Gap Device
High Voltage, EarlyView.ABSTRACT Multi‐chamber arc‐extinguishing devices have a simple structure and excellent arc‐extinguishing performance; thus, they have attracted considerable attention as lightning protection devices. However, the structural parameters of different models of the aforementioned devices vary, leading to inconsistent protection levels; therefore, the arc ...
Yeqiang Deng +4 more
wiley +1 more source