Results 31 to 40 of about 61,877 (349)
, 2022 Overvoltage will occur after single-phase grounding fault in distribution network, endangering system insulation. It is of great significance to find out the fault line as soon as possible to ensure the safe operation of the system.
Jing Gong
semanticscholar +1 more source
Device for limiting single phase ground fault of mining machines [PDF]
IOP Conference Series: Earth and Environmental Science, 2017 The paper shows the reasons and consequences of the single-phase ground fault. With all the variety of devices for limiting the current single-phase ground fault, it was found that the most effective are Peterson coils having different switching circuits.
R S Feduik +5 more
openaire +1 more source
An equivalent circuit for the evaluation of cross-country fault currents in medium voltage (MV) distribution networks [PDF]
, 2018 A Cross-Country Fault (CCF) is the simultaneous occurrence of a couple of Line-to-Ground Faults (LGFs), affecting different phases of same feeder or of two distinct ones, at different fault locations.
Gatta, Fabio Massimo +3 more
core +1 more source
电力工程技术, 2023 With the improvement of the requirements for the safe operation of distribution network lines, the harmonics injected by distributed power generation make the existing line selection methods ineffective, and the fault line selection method with a single ...
LI Yan +4 more
doaj +1 more source
Simulation and Experiment Analysis of 10 kV Flexible Grounding Device
Information, 2021 The traditional 10 kV distribution network grounding system has some disadvantages, such as small grounding current and poor arc extinguishing effect, thus, hindering the detection of high-resistance grounding fault.
Mengxuan Liu, Chi Zhang, Kangli Liu
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Zhejiang dianli, 2023 With its connection to distribution networks， the inverter-interfaced distributed generators （IIDGs） affect single-phase grounding detection and jeopardize their safe and stable operation. Based on the characteristics of IIDGs and sequence network theory，
JIANG Miao +3 more
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Zhongguo dianli, 2021 Considering the influence of self impedance and phase-to-phase coupling of the distribution feeders, an analysis is made on the full-compensation zero-residual-current arc-suppression algorithms for the single-phase grounding faults of active inverters ...
Zhanchun ZHU +7 more
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EnergiesThe development of a single-phase grounding fault arc is influenced by various environmental factors, which can result in the rapid extinction and reignition of the arc. This phenomenon can lead to accidents, such as resonant overvoltage.
Yan Li +3 more
semanticscholar +1 more source
Grounding Fault Protection Scheme for 0.4 kV Switchgear in Metro Substations
Chengshi guidao jiaotong yanjiu［Objective］ Single-phase grounding faults account for over 80% of the total distribution line faults, with most inter-phase faults originating from single-phase grounding faults.
ZHOU Wenwei
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Research of characteristics of transient pulse in coal mine resonant grounding system
Gong-kuang zidonghua, 2014 By means of deduction of zero-sequence current expressions when single-phase grounding fault occurs in single substation mode and multi-substation mode of coal mine resonant grounding system, polarity relationship between transient pulse of fault line ...
WANG Jinhong
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