Results 21 to 30 of about 253,400 (298)
A double end fault location technique for distribution systems based on fault-generated transients [PDF]
, 2017 This paper presents a fault location technique for distribution systems. It is a two end impedance based technique that uses the fault generated transients to estimate the fault distance over a broad range of frequencies.
Aboshady, F.M. +2 more
core +1 more source
Research on Single-Phase Grounding Fault Location Technology
Journal of Physics: Conference Series, 2019 Abstract In view of the complex structure, large scale and high failure rate of distribution network, as well as many branch lines, large transition resistance, difficult to detect fault signals and difficult to locate accurately., A single-phase grounding fault location method based on single-terminal measurement for distribution ...
Zhang Xiping +6 more
openaire +1 more source
Gong-kuang zidonghua, 2018 In view of problems of low accuracy and poor reliability of line selection methods for single phase ground fault in existing coal mine power supply system, a line selection method for single phase ground fault in coal mine power supply system based on ...
LUO Chao +6 more
doaj +1 more source
IEEE Access, 2021 Accurate and fast fault detection in transmission lines is of high importance to maintain the reliability of power systems. Most of the existing methods suffer from false detection of high-impedance faults.
Hamid Teimourzadeh +4 more
doaj +1 more source
Modeling of HVDC System to Improve Estimation of Transient DC Current and Voltages for AC Line-to-Ground FaultAn Actual Case Study in Korea [PDF]
, 2019 A new modeling method for high voltage direct current (HVDC) systems and associated controllers is presented for the power system simulator for engineering (PSS/E) simulation environment.
Kim, Chanki +3 more
core +1 more source
Continuous comprehensive line selection technology based on D-S evidence theory
Energy Reports, 2022 Aiming at the single-phase grounding fault in 380 V three-phase AC power system with ungrounded neutral, a fault line selection method considering zero sequence current ratio method, zero sequence current phase ratio method and dual frequency method is ...
Kechang Dai, Zhihao Ye, Liang Chen
doaj +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
Simulation and Research of Non-effectively Grounding Network of Single-phase Ground-fault
IOP Conference Series: Earth and Environmental Science, 2020 Abstract When the non-effectively grounding network of single-phase ground fault happens, the voltage, the current, the zero-sequence voltage and the zero-sequence current have a special change and this problem has been the focus of research attention.
Yunhai Hou, Haoxin Sun, Shuhan Zhang
openaire +1 more source
Frontiers in Energy Research, 2023 The traditional method of detecting fault current based on threshold judgment method is limited by the current size and is easily disturbed by noise, and it is difficult to adapt to the arc ground fault detection of the distribution network.
Yihui Wu +5 more
doaj +1 more source
Transient fault area location and fault classification for distribution systems based on wavelet transform and Adaptive Neuro-Fuzzy Inference System (ANFIS) [PDF]
, 2018 A novel method to locate the zone of transient faults and to classify the fault type in Power Distribution Systems using wavelet transforms and Adaptive Neuro-Fuzzy Inference Systems (ANFIS) has been developed.
Ghazizadeh-Ahsaee, Mahdi +3 more
core +2 more sources