Results 251 to 260 of about 253,400 (298)
The effects of normal fault movement on the failure mechanism of water conveyance tunnels considering multi-field interaction. [PDF]
Sci RepXinwei Z, Zhanxiang C, Weiheng L.
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PumpSpectra: An MCSA-Based Platform for Fault Detection in Centrifugal Pump Systems. [PDF]
Sensors (Basel)Adaika H, Tir Z, Sahraoui M, Laadjal K.
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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 occurrence. In the proposed technique, faults are first detected based on the neutral voltage displacement.
Md Abdul Barik +2 more
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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 occurrence. In the proposed technique, faults are first detected based on the neutral voltage displacement.
Md Abdul Barik +2 more
exaly +2 more sources
Detection of Single-Phase to Ground Faults in Low-Resistance Grounded MV Systems
IEEE Transactions on Power Delivery, 2021The 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, in this study, a novel SPGF detection methodology, designed specifically for LRGSs, is proposed ...
Jiaquan Chen +3 more
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Identification of Feeder with Single-Phase Ground Fault
2019 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM), 2019Single-phase ground fault in overhead power lines is one of the most usual types of fault in power grids of 6-35 kV. The arc fault generate a spectrum of higher harmonics of voltage and current. This higher harmonics can be the indication of the fault mode. Illegible higher harmonics can be appearing after removing the main harmonic (50 Hz).
Aleksander Fedotov +2 more
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A fault location method for single-phase grounding fault in distribution network
The 27th Chinese Control and Decision Conference (2015 CCDC), 2015The single-phase grounding fault is the most common fault among all types of faults in distribution network. It is of great importance to locate the single phase grounding fault accurately and quickly for reducing economic losses. Aiming at the location of single-phase grounding fault in distribution network, this paper puts forward a new fault ...
Kang Zhongjian, Liu Ruiying, Cao Yang
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Transient processes at single phase-to-ground faults in combined grounded networks
2012 Electric Power Quality and Supply Reliability, 2012This paper deals with the combined method of neutral grounding when a high-value resistor is continuously connected to a neutral in parallel with a Petersen coil. Monitoring of processes at single phase-to-ground faults was organized in the 6 kV network of the large-scale iron and steel plant.
Andrey Shirkovets +3 more
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2020 5th International Conference on Power and Renewable Energy (ICPRE), 2020
The fault characteristics of the small current grounding system are not obvious when the fault occurs. Currently, it is hard to accurately select and locate the ground fault in the small current grounding system. Therefore, in this paper, a scheme of fault grounding line selection and location is proposed based on the characteristic of the zero ...
Kaiji Liao +4 more
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The fault characteristics of the small current grounding system are not obvious when the fault occurs. Currently, it is hard to accurately select and locate the ground fault in the small current grounding system. Therefore, in this paper, a scheme of fault grounding line selection and location is proposed based on the characteristic of the zero ...
Kaiji Liao +4 more
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A new single-phase-to-ground fault-detecting relay
Electrical Engineering, 1942In the application of differential relays the need for a supervising relay which will detect the existence of a single-phase-to-ground fault condition to the exclusion of all others has frequently arisen. Heretofore, the only scheme available has been to utilize a relay energized by zero-sequence quantities. Generally, the relay has been energized by a
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