Results 1 to 10 of about 395,883 (248)
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
doaj +1 more source
Meikuang AnquanThe mine power supply system usually adopts the neutral point ungrounded mode or the arc suppression coil grounded mode, due to the particularity and complexity of underground environment, the problem of single-phase grounding fault line selection has ...
Zhanshe YANG, Cheng ZHANG, Xiang RONG
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Energy Reports, 2022 The fault current characteristics of wind turbine based on doubly fed induction generator (DFIGWT) is complicated. The conventional superimposed phase selectors cannot meet the requirements of phase selection in the interconnection line based on DFIGWT’s
Fan Xiao +4 more
doaj +1 more source
Protection technology of coal mine power based on GOOSE network with information sharing
Gong-kuang zidonghua, 2015 For problems of override trip in short-circuit fault and fault line selection in single-phase earth fault of coal mine power system, a protection technology of coal mine power based on GOOSE network with information sharing was proposed.
YAO Fuqiang, BAI Meng, ZOU Wenbing
doaj +1 more source
Gong-kuang zidonghua, 2013 In view of problem of difficult fault line selection for small current grounding system, the paper proposed a fault line selection method for small current grounding system based on multi-source information fusion.
HE Jin-peng, TIAN Shu, YANG Xin-ping
doaj
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
doaj
Study on fault line detection methods based on multi‐feature fusion in distribution systems
IET Generation, Transmission & Distribution, 2021 Faulted line detection is used for locating faults and restoring service after the occurrence of a single line‐to‐ground fault in a non‐effectively earthed network.
Jiawei Yuan +4 more
doaj +1 more source