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Surface Fault and Ground Damage

Surface Fault and Ground Damage
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Flexible Grounding System for Single-Phase to Ground Faults in Distribution Networks: A Systematic Review of Developments

IEEE Transactions on Power Delivery, 2022
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 devices, the application of highly controllable inverters to grounding ...
Kangli Liu, Sen Zhang, Baorun Li, Chi Zhang, Biyang Liu, Hao Jin, Jianfeng Zhao   +6 more
semanticscholar   +1 more source

Ground Faults Location in Poles of Synchronous Machines Through Frequency Response Analysis

IEEE transactions on industry applications, 2022
Synchronous generators are key pieces in any power system. Therefore, it is essential to have effective protection and diagnosis techniques for these machines.
C. M. Martín, J. M. Guerrero, Pablo Gómez Mourelo, C. Platero   +3 more
semanticscholar   +1 more source

Detection of Single-Phase to Ground Faults in Low-Resistance Grounded MV Systems

IEEE Transactions on Power Delivery, 2021
The Conventional zero-sequence (ZS) overcurrent protection method exhibits poor performance for single-phase to ground faults (SPGFs) with high impedance in low-resistance grounded systems (LRGSs), a type of medium-voltage (MV) distribution system. Hence,
Jiaquan Chen, Haifeng Li, Chengjian Deng, Gang Wang   +3 more
semanticscholar   +1 more source

A Novel Linear Optimization Method for Section Location of Single-Phase Ground Faults in Neutral Noneffectively Grounded Systems

IEEE Transactions on Instrumentation and Measurement, 2021
The existing four linear section location methods are all established based on the three-phase fault current direction. When a single-phase grounding fault occurs in a neutral noneffectively grounded system, these methods are no longer applicable.
Qiujie Wang, T. Jin, M. A. Mohamed, D. Deb   +3 more
semanticscholar   +1 more source

Performance Analysis of Synchronous Generators Under Stator Windings Ground Faults Near the Star Point - Experimental Verification

IEEE transactions on energy conversion, 2020
In this article, a comprehensive mathematical model for synchronous generators under stator winding faults near the star point is described. The model is developed using the Modified Winding Function.
K. A. Jaafari, H. Toliyat
semanticscholar   +1 more source

Research on Current-Limiting Control Strategy Suitable for Ground Faults in AC Microgrid

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
On August 9, 2019, a blackout event with significant impacts occurred in the British power grid (BPG). The technical report submitted by the BPG points out that the accident originated from multiple independent and concurrent events, resulting in a ...
Tao Li, Yongli Li, Song Li, Wei Zhang
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Sensitive ground-fault relaying

IEEE Transactions on Industry Applications, 1988
Sensitive ground-fault protection refers to the concept of detecting low levels of ground-fault current that might cause electrocution of any human that becomes part of the ground-current path and providing warnings. The concepts behind sensitive ground-fault relaying for use on AC and DC low-voltage utilization systems are covered.
T. Novak, L.A. Morley, F.C. Trutt
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A Decentralized Fault Detection Technique for Detecting Single Phase to Ground Faults in Power Distribution Systems With Resonant Grounding

IEEE Transactions on Power Delivery, 2018
This paper presents a decentralized fault detection technique for power distribution systems with resonant grounding. The aim of this paper is to detect single phase to ground faults and identify the faulty feeder within three cycles of the fault ...
Md Abdul Barik, A. Gargoom, Md. Apel Mahmud, M. Haque, H. Al-Khalidi, Amanullah Maung Than Oo   +5 more
semanticscholar   +1 more source