Results 1 to 10 of about 17,400,706 (180)
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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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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Energies, 2023 Fast and accurate fault detection is important for the long term, stable operation of the distribution network. For the resonant grounding system, the fault signal features extraction difficulties, and the existing detection method’s accuracy is not high.
Xianglun Nie +6 more
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Zhongguo dianli, 2022 Aiming at the low accuracy problem in line selection of two-point grounding faults on same phase in distribution network, a new fault feeder identification method suitable for two-point grounding faults on same phase in resonant grounding systems is ...
Yingtong LIU +3 more
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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 on Arc Grounding Fault Selection Method of Distribution Network Based on Wavelet Analysis [PDF]
Zhengzhou Daxue xuebao. Gongxue ban, 2023 Chinese urban low-voltage distribution network capacitance current rose sharply, single-phase ground fault arc was difficult to self-extinguish and easy to produce arc light ground overvoltage and lead to accidents.
LI Jingli +5 more
doaj +1 more source
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
doaj +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
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电力工程技术, 2023 Aiming at the problem of insufficient sensitivity of existing fault location methods when single-phase grounding fault occurs in resonant grounding system of active distribution network, a fault location algorithm based on Manhattan average distance and ...
TAO Weiqing +5 more
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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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