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A Single-Phase to Ground Fault Location Method Based on Last-Squares Parameter Estimation in Arc-Suppression-Coil Grounding System

2023 IEEE International Conference on Advanced Power System Automation and Protection (APAP), 2023
The accuracy of the distribution network fault location is important to guarantee the safety and reliability of the power system. There are many achievements in the research of fault location technology for the distribution network, but it is still ...
Kun Liu, Bin Wang, Yeyan Qin
semanticscholar   +1 more source

A LSTM Line Selection Method of Single-phase Ground Fault Based on Big-data Platform

2021 3rd Asia Energy and Electrical Engineering Symposium (AEEES), 2021
Due to the complex structure of the distribution network, a large number of power supply branches, and various neutral grounding modes, there is a problem with inaccurate fault line selection results.
Zheng-Yi Liu   +3 more
semanticscholar   +1 more source

Faulty Feeder Detection for Single-Phase-to-Ground Fault in Distribution Networks Based on Transient Energy and Cosine Similarity

IEEE Transactions on Power Delivery, 2022
When a single-phase-to-ground (SPG) fault occurs in distribution networks, the existing faulty feeder detection techniques do not present reliable detection results.
Xiang-Xiang Wei   +5 more
semanticscholar   +1 more source

A Fast Faulty Phase Selection Method Considering Fault Tolerance for Single Phase to Ground Fault in Distribution Networks

IEEE Transactions on Instrumentation and Measurement, 2023
Faulty phase selection (FPS) methods are used to solve the problem of single phase to ground fault (SPGF) in the distribution network. When a false FPS (FFPS) issue occurs, the short-circuit current in the faulty line suddenly increases. It is crucial to
Wanqi Yuan   +4 more
semanticscholar   +1 more source

Faulty Feeders Identification for Single-Phase-to-Ground Fault Based on Multi-Features and Machine Learning

IEEE transactions on industry applications, 2023
The identification of single-phase-to-ground (SPG) faults in power distribution networks is crucial for ensuring the reliability of power supply. However, the traditional identification methods based on a single feature lack accuracy and robustness in ...
Bao-Hong Li   +5 more
semanticscholar   +1 more source

Single Phase to Ground Fault Line Selection in Distribution Network Based on EMD Clustering Algorithm

2023 3rd Asian Conference on Innovation in Technology (ASIANCON), 2023
The EMD clustering algorithm based single-phase grounding fault line selection in distribution networks is an effective method to solve the problem of single-phase grounding fault line selection in distribution networks.
Hongyu Zhao
semanticscholar   +1 more source

Single-phase ground fault location method for distribution network based on traveling wave time-frequency characteristics

Electric power systems research, 2020
The traditional traveling wave fault location methods only consider the information about time domain or frequency domain characteristics, so it is difficult to ensure the location accuracy.
Jian-Wen Zhao   +5 more
semanticscholar   +1 more source

Single-Phase to Ground Fault Line Identification for Medium Voltage Islanded Microgrids With Neutral Ineffectively Grounded Modes

IEEE Transactions on Smart Grid, 2022
Considering single-phase to ground (SPG) faults accounting for more than 80% of all faults, neutral ineffectively grounded mode (NIGM) is the most promising choice for medium voltage (MV) islanded microgrids (MGs) to enhance operation reliability.
Li-Li He   +5 more
semanticscholar   +1 more source

Synthetic Zero-Sequence Signal-Based Intelligent Location Method for Single-Phase Ground Fault in Distribution Networks

IEEE Transactions on Instrumentation and Measurement
Distribution system structures are intricate and variable, with single-phase ground (SPG) fault occurring frequently. Existing section location methods for SPG faults are often influenced by manually set thresholds, resulting in low accuracy.
Mou-Fa Guo   +3 more
semanticscholar   +1 more source

Zero-Sequence Current and Voltage Control Strategy of Multiple MMCs for Single-Phase Ground Fault Protection in AC–DC Hybrid Distribution Networks

IEEE transactions on power electronics
The ac/dc hybrid distribution network (HDN) is facing great challenges under single-phase ground (SPG) fault. To ensure the continuous and stable operation of ac/dc HDNs, it is essential that the converters have fault control and relay protection ...
Youwen Zhang   +6 more
semanticscholar   +1 more source

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