Flexible grounding system for single-phase to ground faults in distribution networks: a systematic review of developments

K Liu, S Zhang, B Li, C Zhang, B Liu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The neutral grounding method is one of the crucial technologies used to ensure the safe and
stable operation of distribution networks. With the development of power electronics-based …

[HTML][HTML] Fault location method combining transient mutation and dynamic time warping algorithm for grounding system

K Liu, C Zhang, W Chen, J Zhao - Energy Reports, 2023 - Elsevier
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 …

An intelligent fault analysis and diagnosis system for electromagnet manufacturing process based on fuzzy fault tree and evidence theory

J Pang, J Dai, Y Li - Mathematics, 2022 - mdpi.com
Because an electromagnet has a complex structure and manufacturing process, it is difficult
to analyze the overall failure of the electromagnet. In order to solve this problem, a fault …

[HTML][HTML] Fault line selection of power distribution system via improved bee colony algorithm based deep neural network

N Wang - Energy Reports, 2022 - Elsevier
A fault line selection approach on the basis of modified artificial bee colony optimization
deep neural network (ACB-DNN) is presented to address the difficulties in choosing a fault …

Reliability-enhanced hybrid grounding system based on active neutral-point voltage regulator and low-resistance

K Liu, S Zhang, J Zhao, C Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
-In urban distribution networks, due to its strong reliability and simple operation, the low-
resistance grounding system has gradually replaced the resonance grounding system …

Fault type identification of arc grounding based on time-frequency domain characteristics of zero sequence current

H Liu, Q Yang, L Tang, T Yuan, T Zhou - Electric Power Systems Research, 2023 - Elsevier
Different types of faults pose different degrees of threat to the distribution network. Accurate
identification of fault types is essential for distribution network maintenance and hazard …

[HTML][HTML] Research on the countermeasures of the single-phase-to-earth faults in flexibly grounded distribution networks

X Ren, Y Bai, Y Dai, R Liang, H Gao, L Su… - Alexandria Engineering …, 2024 - Elsevier
In a neutral, flexible, grounded distribution network, the phenomenon that a single-phase
ground fault with high impedance connected in parallel with a low resistance can result in a …

Determining the location of damage in electrical networks 35-10-6 kV by an analytical method based on matrix equations of the 3rd degree with respect to voltages

V Soldatov, N Klimov, A Yablokov - E3S Web of Conferences, 2023 - e3s-conferences.org
The article investigates an analytical method for determining the fault location in 35 kV, 10
kV and 6 kV networks based on thirddegree matrix equations for voltages. The method is …

A new fault location method for high‐voltage transmission lines based on ICEEMDAN‐MSA‐ConvGRU model

T Jia, L Yao, G Yang - IET Generation, Transmission & …, 2024 - Wiley Online Library
Given the complex form of distribution line faults, the accuracy of fault location using
traditional artificial intelligence networks needs to be further improved. Here, a combined …

Single-phase grounding fault types identification based on multi-feature transformation and fusion

M Fan, J Xia, X Meng, K Zhang - Sensors, 2022 - mdpi.com
The frequent occurrence of single-phase grounding faults affects the reliable operation of
power systems. When a single-phase grounding fault occurs, it is difficult to accurately …