Results 31 to 40 of about 14,713 (296)
Zhongguo dianli, 2021 AC filter is an important equipment in DC transmission system. This paper mainly analyzes the influence of simulation model on the electrical characteristics (overvoltage, current and absorbed energy) of the arresters for AC filter, and carries out the ...
Xuemin HUANG +4 more
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International Journal of Electrochemical Science, 2021 Aimed at the corrosion caused by the ground current of the high-voltage direct current (HVDC) transmission system to adjacent buried pipelines, horizontal delamination is carried out according to different soil conductivities, and a field-circuit ...
Shan Lin +3 more
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Wavelet Analysis-Based Simulation Study Of Small-Current Ground Fault System Routing [PDF]
Journal of Physics: Conference Series, 2021 Abstract Small-current grounding is commonly used in medium-voltage distribution networks in China, including ungrounded neutral points, grounding via arc extinguishing coil and resistance grounding. In this paper, the power system modeling simulation of the grounding system via arc extinguishing coil and the transient characteristics ...
Rui Cai +3 more
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IEEE Access, 2023 Line break faults commonly occur in distribution networks and pose the risk of electric shocks to nearby individuals and animals. This study aims to address the challenge of identifying the direction of a line break fault.
Fan Yang +5 more
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Fusion fault line selection method of small current grounding fault based on VMD
Gong-kuang zidonghua, 2023 At present, the fault line selection method of coal mine distribution network has the problem of fault line selection failure when the relevant fault features are not obvious.
SUN Kongming +5 more
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Energy Reports, 2022 A fault line selection approach on the basis of modified artificial bee colony optimization deep neural network (ACB-DNN) is presented to address the difficulties in choosing a fault line in electric current grounding systems for small electric currents.
Na Wang
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Small-signal stability analysis of the asymmetrical DC operation in HVDC networks [PDF]
, 2023 The increase in High Voltage Direct Current (HVDC) projects favors their future interconnection to form regional networks, but this interconnection can be hindered by the lack of standardization in station's configuration and converter's differing ...
Moreno López de Saá, María Ángeles +1 more
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A Fault-Line Selection Method for Small-Current Grounded System Based on Deep Transfer Learning
Energies, 2022 Usually, data-driven methods require many samples and need to train a specific model for each substation instance. As different substation instances have similar fault features, the number of samples required for model training can be significantly ...
Xianxin Su, Hua Wei
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The Fault Line Selection Method of Small Current Grounding System Based on Wavelet Transformation
, 2011 In order to make full use of small current grounding system transient information and to improve the accuracy of fault line selection, a method based on wavelet transformation was proposed.
Hua Li +3 more
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Case Study on Evaluation of Regional Cathodic Protection Effectiveness and Cathodic Shielding Factors at a Specific Station Site [PDF]
Cailiao BaohuIn practical applications of regional cathodic protection (CP) technology，problems such as excessive CP current demand and cathodic shielding often occur.To address the limitations of evaluating the regional CP system effectiveness at a specific station ...
WANG Shijun, TIAN Nianpei, WANG Yanqing, XIAO Jianfeng, HU Peng, ZHAO Yunli
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