Results 1 to 10 of about 11,438 (267)
Energies, 2022 This paper presents the final development of an expert system utilizing a measurement of cable screen earthing transient current. The developed system allows for identification and location of earth fault in underground cable and mixed lines (underground
Krzysztof Łowczowski, Bartosz Olejnik
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High Voltage, 2021 A bipolar short‐circuit transient fault identification method for overhead transmission lines in modular multi‐level converter‐based high voltage direct current (MMC‐HVDC) grid based on the hybrid HVDC breaker is proposed.
Botong Li +5 more
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IET Generation, Transmission & Distribution, 2021 Voltage source converter‐based DC systems face severe overcurrent problem under DC line faults, which causes significant influence on security, reliability and stability of the power system. As the theoretical basis for relay coordination and protection,
Zhengguang Xiao +6 more
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CES Transactions on Electrical Machines and Systems, 2020 To enhance the fault transient performance of aerospace multiphase permanent magnet synchronous motor (PMSM) system, an adaptive robust speed control is proposed regardless of the phase open-circuit (OC) and short-circuit (SC) fault in this paper, which ...
Jinquan Xu +3 more
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Research of characteristics of transient pulse in coal mine resonant grounding system
Gong-kuang zidonghua, 2014 By means of deduction of zero-sequence current expressions when single-phase grounding fault occurs in single substation mode and multi-substation mode of coal mine resonant grounding system, polarity relationship between transient pulse of fault line ...
WANG Jinhong
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Modelling and simulation analysis of MMC‐HVDC system based on transient energy flow
IET Renewable Power Generation, 2023 In the high voltage direct current (HVDC) transmission system composed of modular multilevel converters (MMC), considering the distribution of transient energy flow (TEF) contributes to the transient modelling and fault characteristic analysis when dc ...
Jun Yan +4 more
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Energies, 2020 Through analyzing the transient components and transient characteristics in transient zero-sequence current (TZSC), a novel fault feeder detection method based on the transient correlation of non-power frequency components (NPFCs) for the resonant ...
Kewen Wei +4 more
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电力工程技术, 2023 With the improvement of the requirements for the safe operation of distribution network lines, the harmonics injected by distributed power generation make the existing line selection methods ineffective, and the fault line selection method with a single ...
LI Yan +4 more
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Line selection method with transient state based on intrinsic mode energy
Gong-kuang zidonghua, 2013 In view of problem that fault line selection method based on wavelet analysis of coal mine power grid ca't guarantee the optimal decomposition effect due to the decomposition effect depends on choice of primary function, the paper presented a fault line ...
WANG Qing-liang +4 more
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Energies, 2021 An auto-restoration tool to minimize the impact of faults is one of the critical requirements in a power distribution system. A fault-monitoring system is needed for practical remote supervision to identify faults and reduce their impacts, and thus ...
Saidatul Habsah Asman +3 more
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