Results 21 to 30 of about 15,869 (290)
Gong-kuang zidonghua, 2018 In view of problems of low accuracy and poor reliability of line selection methods for single phase ground fault in existing coal mine power supply system, a line selection method for single phase ground fault in coal mine power supply system based on ...
LUO Chao +6 more
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Gong-kuang zidonghua, 2016 Characteristics of mine distribution network and difficulties of singlephase grounding fault line selection and location were analyzed. A new type of singlephase grounding fault line selection and location method for mine distribution network was ...
ZONG Weilin +5 more
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Journal of Electrical and Computer Engineering, 2021 With the continuous development of artificial intelligence technology, the value of massive power data has been widely considered. Aiming at the problem of single-phase-to-ground fault line selection in resonant grounding system, a fault line selection ...
Haixia Zhang, Wenao Cheng
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Fault line selection method for distribution network based on measurement of characteristic atom
Gong-kuang zidonghua, 2017 For problems that fault feature extraction was not enough and fault line selection criterion needs samples with long training time in existing fault line selection methods for distribution network, a fault line selection method for distribution network ...
ZHAO Liang, ZHOU Nuoying, WANG Xiaowei
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Zhongguo dianliAddressing the challenges posed by the subtle characteristics of single-phase grounding faults in resonant grounding systems, which lead to decreased sensitivity and reliability in fault line selection methods reliant on these characteristics, an ...
Xiaowei WANG +6 more
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Research on fault line selection method of mine power network
Gong-kuang zidonghua, 2018 In view of characteristics of DC component of transient zero-sequence current in fault lines is larger than that of normal lines when additional DC source system of mine power network occurrs single-phase earth fault, a fault line selection method of mine power network based on least-square matrix pencil algorithm and Romanovsky criterion was presented.
LI Ke +5 more
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Gong-kuang zidonghua, 2012 For the deficiency of single line selection principle, the paper proposed integrative line selection strategy, namely zero sequence admittance method, zero sequence susceptance increment method and zero sequence conductance method based on steady-state ...
LI Hui, TANG Yi, SUN Chang-qing
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电力工程技术When the earth faults occur in different phases of two feeders connected to the same bus in the resonant grounding system, the conventional fault line selection devices are inaccurate.
HAN Jie +5 more
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EnergiesReliable fault line selection technology is crucial for preventing fault range expansion and ensuring the reliable operation of distribution networks.
Shi Su +7 more
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Zhongguo dianliCarrying out rapid fault selection of PV power station collection lines is of great significance to ensure the stable operation of the system. A fault method for PV power station collection lines based on the zero-sequence current gradient Teager energy ...
Ran ZHENG +3 more
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