Results 11 to 20 of about 22,137 (279)
Flexible composite suppression method for ground arc in resonant grounding system
High Voltage, 2023 A current‐voltage composite controller for an arc suppression inverter is designed. The current and voltage at the fault point are reduced by injecting current and regulating the neutral point voltage to completely eliminate the risk of fire and ...
Jianzhang You +3 more
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Faulty Section Location Method Based on Dynamic Time Warping Distance in a Resonant Grounding System
Energies, 2022 When a single-phase grounding fault occurs in a resonant grounding system, the determination of the fault location remains a significant challenge due to the small fault current and the instability of the grounding arc.
Yu He +6 more
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A novel approach for high impedance fault detection in resonant grounding systems based on statistical characteristics [PDF]
Scientific ReportsHigh impedance faults (HIF) in the resonant grounding system of distribution networks pose significant challenges for traditional protection devices, which often fail to detect and eliminate these faults promptly. The difficulty in setting an appropriate
Qinglin Meng +4 more
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Simulation Analysis of Single-phase Grounding Fault of Resonant Grounding System
Gong-kuang zidonghua, 2012 For problem of difficult line selection caused by small current of fault line with uncertain direction when single-phase grounding fault happens in resonant grounding system, the paper theoretically analyzed change law of zero-sequence voltage and zero ...
LI Hui, TANG Yi, SUN Chang-qing
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MATLAB Power System Simulation of Resonant Grounding Fault
Energy Procedia, 2012 AbstractIn order to handle the situation of power system grounding fault better, this paper built the mathematical model of power system resonance grounding fault based on the resonance grounding principle. And simulated the resonance processes by using MATLAB/SIMULINK/ SIMPOWERSYSTEM (SPS) software.
Chun-wen, Yang +3 more
openaire +3 more sources
Energies, 2019 The identification of faulty feeder for single-phase high impedance faults (HIFs), especially in resonant grounding distribution system (RGDS), has always been a challenge, and existing faulty feeder identification techniques for HIFs suffer from some ...
Tao Tang +3 more
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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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Single-Line-to-Ground Fault Location in Resonant Grounded Systems Based on Fault Distortions [PDF]
IEEE Access, 2021 Under single-line-to-ground (SLG) faults, the voltages and currents in resonant grounded systems will inevitably be distorted. To locate the faults quickly and accurately, this paper proposes a location method based on fault distortions. The faulty phase is firstly detected according to the first SLG fault feature below, and then the faulty feeder and ...
Yougen Chen +3 more
openaire +2 more sources
CES Transactions on Electrical Machines and Systems, 2023 Magnetically coupled resonant technology is a novel method for solving the breakpoint locating of power grounding grid. But the method can only detect breakpoints of a single mesh grounding grid at present.
Weihua Chen +3 more
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Energy Reports, 2023 In the urban distribution network, due to the wide application of underground cables, the traditional resonant grounding system has gradually been unable to match the increasing fault current amplitude, real-time compensation and harmonic component ...
Kangli Liu +3 more
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