Results 11 to 20 of about 5,952 (245)
Design of a mine-used low-voltage leakage protection device
Gong-kuang zidonghua, 2020 In view of low reliability of leakage protection device of coal mine low-voltage power grid based on line selection principle of zero-sequence power direction, a hardware and software design scheme of mine-used low-voltage leakage protection device was ...
ZHENG Qingle +3 more
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The Journal of Engineering, 2018 The modelling of tower grounding device is the key for calculation of lightning strike response and lightning withstand level. In order to solve this problem, this study proposes a method to calculate the lightning response of transmission line grounding
Huaifei Chen +6 more
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Application Study of Distributed Grounding Line Selection Method Based on GOOSE Communication
Zhongguo dianli, 2020 A GOOSE communication-based distributed grounding line selection method is introduced and implemented in the relay protection device. When a single-phase grounding fault happens in the small current grounding system, the fault current is quite small due ...
Hongshan CHEN +4 more
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A Method for Calculating Grounding Resistance of Reinforced Concrete Foundation Grounding Systems
Energies, 2022 Tower foundations have been used as grounding electrodes to reduce the area of the grounding devices. However, it is difficult to calculate the grounding resistance due to the complex structure of the reinforced concrete foundation.
Bowen Dou, Rui Liu, Youping Tu, Bo Zhang
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Study on the Influence of OVPD on Pipeline Interference [PDF]
Cailiao Baohu, 2021 A buried steel pipeline paralleled with the subway line has been seriously interfered by the metro stray current.The rail ground potential protection device inside the subway station was frequently switched on.Through synchronous monitoring of the rail ...
WANG Lei-lei, GE Cai-gang, MOU Xiao-liang, JIANG Ka-ke, LIU Guo, DU Yan-xia
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Frontiers in Energy Research, 2021 There is a large number of grounding switches along the isolated ground wire for the de-icing in the large-scale wind farm. If any of these grounding switches are left open by accident, this can create an unexpected abnormal grounding point in the ...
Yunlong Wang +3 more
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Analysis of Propeller Hub Bolt Corrosion and Suggestions for Improvement [PDF]
Cailiao Baohu, 2021 Corrosion always occurs to propeller hub bolts of adjustable pitch propeller for one ship.This paper analyzed the causes of corrosion through the analysis means of material quality and mechanical properties and found that the shaft current was the main ...
WANG Jun-jun, KANG Jing-yuan, YAN Wen-chao
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Non-Abelian geometric phases in ground-state Josephson devices [PDF]
Physical Review B, 2010 5 pages, 3 figures; added references and clarified discussion about earlier research on the ...
Solinas, Paolo +4 more
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Electrical engineering & Electromechanics, 2019 Purpose. The purpose of the work is to analyze the modern methods of control and determine the most effective ones for monitoring the state of grounding of existing energy objects in operation. Methodology.
D. G. Koliushko, S. S. Rudenko
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A new type of lightning protection and grounding method for coal mine gas drainage statio
Gong-kuang zidonghua, 2014 In view of present status that current coal mine gas drainage station using independent lightning rod for direct lightning stroke protection, problems and hidden troubles of the status were analyzed, and a new type of lightning protection and grounding ...
CHEN Jinlin +3 more
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