Results 1 to 10 of about 103,085 (257)
A new approach to fault-line selection of small current neutral grounding system [PDF]
Systems Science & Control Engineering, 2018 In this paper, a new approach combining BP neural network with fuzzy Petri net (FPN) is developed to deal with the issue of fault-line selection of the small current neutral grounding system.
Yujie Chen +4 more
doaj +5 more sources
Research on Fault Line Selection of Small Current Neutral Grounding System Based on Improved Fuzzy Petri Net [PDF]
, 2023 With the complexity of distribution network structure, the traditional fault line selection method of small current earthing system can not meet the current power grid requirements, and can not guarantee the accuracy of fault location. Therefore, for the problem of fault line selection of small current neutral grounding system, it is an important ...
Jie, Yibing +6 more
openaire +2 more sources
Study on safety operation of medium voltage distribution network [PDF]
E3S Web of Conferences, 2021 Aiming at the problem of safe operation in the medium voltage distribution network with neutral point grounding through small resistance, the distribution network model was built, and on this basis, MW-level photovoltaic (PV) system, doubly fed Induction
Chen Xiaofang +3 more
doaj +1 more source
Energy Reports, 2022 In order to enhance the security of ±800 kV High-Voltage DC (HVDC) system, it is needed to consider and analyze the grounding mode of the neutral point of converter transformer.
Jiaqing Fu +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
doaj +1 more source
Evaluation of lightning overvoltage at neutral point of HVDC converter transformer based on EMTP
Energy Reports, 2022 In order to ensure the safe and stable operation of high voltage direct current (HVDC) systems, this paper studies the lightning overvoltage at the neutral point of the HVDC converter transformer.
Zhe Hu +4 more
doaj +1 more source
Energies, 2022 With the rapid development of cities and the increasing complexity of distribution network systems, the cableization of transmission lines and the diversification of power users have brought new challenges to the supply reliability of distribution ...
Zhi Xu +6 more
doaj +1 more source
Energies, 2022 A flexible grounding system is a system in which the neutral point of the power supply is grounded via the arc suppression coil in parallel with a low-resistance resistor.
Yu He +6 more
doaj +1 more source
Research on automatic location of single-phase leakage fault zone in coal mine power network
Gong-kuang zidonghua, 2021 The necessity of automatic single-phase leakage fault zone location is analyzed in this paper from two aspects, namely, the need for leakage detection and the value of leakage fault zone location.
GAO Hongjie1 +2 more
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