Fault protection method of single-phase break for distribution network considering the influence of neutral grounding modes [PDF]
Protection and Control of Modern Power Systems, 2020 With the rapid development of modern distribution network and the access of distributed generation, the network structure is becoming increasingly complex.
Luo, Yongjie +4 more
core +4 more sources
Fault Characteristic Analysis of Single-Phase Grounding Fault in AC grid of Energy Router in Interacted and Interconnected Micro Grid [PDF]
E3S Web of Conferences, 2021 The energy router composed of double active bridge (DAB) can interconnect multiple voltage level AC distribution network through DC lines to form AC/DC hybrid distribution network.
Sang Zi-xia +5 more
doaj +1 more source
Feasibility analysis of neutral grounding by small reactor of HVDC converter transformer
Energy Reports, 2022 Nowadays, the scale of power grid is remarkably increasing and there is a continuous reinforcement of AC–DC hybrid systems. Thus, the single-phase grounding fault currents on the AC grid-side of rectifier and inverter stations increase significantly ...
Ensheng Zhao +5 more
doaj +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
One-mode component-based fault section location method for mine high-voltage power network
Gong-kuang zidonghua, 2021 After a single-phase grounding fault occurs in the mine high-voltage power network, it is important to identify the fault section quickly for the safe and stable operation of the mine power network.
ZHAO Jianwen, CHEN Jiali
doaj +1 more source
A novel fault location method for a cross-bonded hv cable system based on sheath current monitoring [PDF]
, 2018 In order to improve the practice in the operation and maintenance of high voltage (HV) cables, this paper proposes a fault location method based on the monitoring of cable sheath currents for use in cross-bonded HV cable systems.
Huang, Xiaojun +6 more
core +1 more source
Single-phase grounding fault line selection method based on zero-sequence current increment
Energy Reports, 2022 To address single-phase grounding fault line selection problem in small current grounding distribution network, the paper proposes a fault line selection method based on zero-sequence current (ZSC) increment.
Bai Hao
doaj +1 more source
Modelling and control of current full compensation system‐based controllable voltage source
IET Generation, Transmission & Distribution, 2023 Current active suppression technology of arc overvoltage in distribution network has small capacity of controllable voltage source and complex control and cannot flexibly adjust the zero‐sequence voltage of neutral point.
Hongwen Liu +3 more
doaj +1 more source
Application of multiple resistive superconducting fault-current limiters for fast fault detection in highly interconnected distribution systems [PDF]
, 2013 Superconducting fault-current limiters (SFCLs) offer several benefits for electrical distribution systems, especially with increasing distributed generation and the requirements for better network reliability and efficiency.
Blair, Steven Macpherson +3 more
core +1 more source
Design of a mine-used low-voltage leakage protection device
Gong-kuang zidonghua, 2020 In view of low reliability of leakage protection device of coal mine low-voltage power grid based on line selection principle of zero-sequence power direction, a hardware and software design scheme of mine-used low-voltage leakage protection device was ...
ZHENG Qingle +3 more
doaj +1 more source