Results 21 to 30 of about 10,323 (170)
Fusion fault line selection method of small current grounding fault based on VMD
Gong-kuang zidonghua, 2023 At present, the fault line selection method of coal mine distribution network has the problem of fault line selection failure when the relevant fault features are not obvious.
SUN Kongming +5 more
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Zhongguo dianli, 2022 Aiming at the low accuracy problem in line selection of two-point grounding faults on same phase in distribution network, a new fault feeder identification method suitable for two-point grounding faults on same phase in resonant grounding systems is ...
Yingtong LIU +3 more
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Comparison and analysis of the fault arc characteristics of flexible DC transmission lines
The Journal of Engineering, 2019 VSC-HVDC grid is one of the important development directions of the smart grid in the future. The arc characteristics of transient fault on the transmission line are the theoretical basis for determining reclosing time and reclosing strategy of DC ...
Botong Li +3 more
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Transient synchronization stability analysis of PV grid-tied systems considering whole LVRT process
International Journal of Electrical Power & Energy SystemsLarge-scale photovoltaic power generation makes the transient characteristics of power grid under severe faults particularly complicated. Different from the traditional synchronous generator, the transient stability condition and evolution law of the PV ...
Qihao Shen, Meng Zhan
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IEEE Access, 2020 We present a numerical methodology to estimate the transient fault currents and to simulate the remote sensing of transient fault information embedded in the magnetic field emissions caused by inter-turn shorts in 60 Hz air-core reactors, thru a magneto ...
Ata Zadehgol +2 more
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Transient Voltage Unit Protection Based on Fault Information Fusion
IEEE AccessTransient protection has the advantage of ultra-fast operation. However, traditional transient protection is susceptible to the influences of transitional resistance and the initial fault angle, resulting in issues with sensitivity and reliability under ...
Zhenwei Guo +3 more
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Optimal discrimination between transient and permanent faults [PDF]
Proceedings Third IEEE International High-Assurance Systems Engineering Symposium (Cat. No.98EX231), 2002 An important practical problem in fault diagnosis is discriminating between permanent faults and transient faults. In many computer systems, the majority of errors are due to transient faults. Many heuristic methods have been used for discriminating between transient and permanent faults; however, we have found no previous work stating this decision ...
M. Pizza +3 more
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EntropyTransient protection has the advantage of ultra-high-speed action, but traditional transient protection is susceptible to the influence of two fault condition attributes, namely, transition resistance and initial angle of fault, and there are the ...
Zhenwei Guo +5 more
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Identification Method for Pulse Wave Resulted From Fault Transient of Overhead Transmission Line
IEEE Access, 2023 This paper presents a simple and effective method to extract the identification quantity of transient pulse waveform produced by the overhead transmission line short-circuit fault.
Yue Yu +4 more
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MathematicsTo address the low accuracy of faulty feeder detection methods based on single-fault characteristics, we propose a faulty feeder detection method for resonant grounding systems that fuses multiple transient characteristics.
Ruihao Ma, Qingle Pang
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