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Transient Component-Based Distribution Network Single-Phase Ground Fault Location
Applied Mechanics and Materials, 2013The paper study the single-phase ground Fault Location. Which analysis neutral non-effectively grounded distribution network transient characteristics of single-phase. and verify the HHT method accuracy that through the actual system simulation of single-phase ground fault experiments .It proposed the fault localization criterion which is based on ...
Zeng Ping Wang, Jia Liu, Wei Hua Luo
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2021 5th International Conference on Power and Energy Engineering (ICPEE), 2021
Aiming at the problem that it is difficult to select the fault line correctly when a single-phase grounding fault occurs in the coal mine power grid, this paper proposes a new line selection method based on smooth decomposition modified threshold ...
Weijian Cheng +2 more
semanticscholar +1 more source
Aiming at the problem that it is difficult to select the fault line correctly when a single-phase grounding fault occurs in the coal mine power grid, this paper proposes a new line selection method based on smooth decomposition modified threshold ...
Weijian Cheng +2 more
semanticscholar +1 more source
Single-phase grounding test sequence fault location method for small current grounding system
2020 4th International Conference on HVDC (HVDC), 2020A method for Single-phase grounding test sequence fault location method for small current grounding system is proposed, which aims to compensate for the incomplete or faulty signal of the line ground fault signal when the fault area in the line is located in the prior art.
Zhao Haifeng +5 more
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IEEE International Conference on Power and Renewable Energy, 2021
In the low-resistance grounding system with inverter interfaced distributed generator (IIDG), the IIDG widely uses the neutral point through the low-resistance grounding method.
Tonghua Wu +3 more
semanticscholar +1 more source
In the low-resistance grounding system with inverter interfaced distributed generator (IIDG), the IIDG widely uses the neutral point through the low-resistance grounding method.
Tonghua Wu +3 more
semanticscholar +1 more source
Single phase grounding fault location based on frequency domain characteristics of fault current
2011 International Conference on Advanced Power System Automation and Protection, 2011This paper studies the fault current frequency spectrum characteristics of single phase ground fault in ungrounded distribution networks, and the fault location method based on it. Firstly, it analyzes the production mechanism of 2nd major frequency component, and the relationship between the 2nd major frequency component and series resonance frequency
Bo Jiang +3 more
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2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2), 2021
Single-phase grounding fault of neutral un-effectual grounding systems have been a major concern of the public safety in distribution system. Under the background of the high-quality development of energy internet promoted by State Grid Corporation of ...
Ziling Wang +6 more
semanticscholar +1 more source
Single-phase grounding fault of neutral un-effectual grounding systems have been a major concern of the public safety in distribution system. Under the background of the high-quality development of energy internet promoted by State Grid Corporation of ...
Ziling Wang +6 more
semanticscholar +1 more source
Fault detection system of single-phase grounding based on electric field sensor
2022 IEEE Industrial Electronics and Applications Conference (IEACon), 2022In order to ensure the safety of power workers, the electric field strength value around the transmission line can be obtained in real time, and the ground fault line can be found at the first time.
Xianmin Mu +4 more
semanticscholar +1 more source
2022
Zero-sequence voltage and current based single-phase grounding (SPG) fault detection and location methods in non-effectively grounded distribution network have limitations in practical use due to lack of zero-sequence CT and PT in some cases. To deal with this problem, the phase current characteristics under SPG fault are analysed and the SPG fault ...
zhongxue chang +7 more
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Zero-sequence voltage and current based single-phase grounding (SPG) fault detection and location methods in non-effectively grounded distribution network have limitations in practical use due to lack of zero-sequence CT and PT in some cases. To deal with this problem, the phase current characteristics under SPG fault are analysed and the SPG fault ...
zhongxue chang +7 more
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Diagnosis of Single-phase Grounding Fault Section in Distribution Network on Zero Sequence Energy
China International Conference on Electricity Distribution, 2022In the engineering application of distribution network fault location system, it is necessary to determine the fault section firstly. According to the gradual attenuation characteristics of fault signal energy in transmission, the paper puts forward a ...
Chen Wenjun +5 more
semanticscholar +1 more source
2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia), 2019
It is difficult to select fault line accurate when single phase grounding faults occur in small-current ground system. The manuscript proposed a novel fault line selection scheme base on reactive current. According to theoretical analysis, the variation of current after the occurrence of single phase short circuit is mainly composed of capacitive ...
Li Shilong +4 more
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It is difficult to select fault line accurate when single phase grounding faults occur in small-current ground system. The manuscript proposed a novel fault line selection scheme base on reactive current. According to theoretical analysis, the variation of current after the occurrence of single phase short circuit is mainly composed of capacitive ...
Li Shilong +4 more
openaire +1 more source