Fault line selection method of DC distribution network based on transient current fault component

2020 ◽  
Author(s):  
GAO Shuping ◽  
DUAN Bicong ◽  
SONG Guobing ◽  
SHAO Mingxing
Keyword(s):  
Distribution Network ◽  
Selection Method ◽  
Transient Current ◽  
Fault Line ◽  
Fault Line Selection ◽  
Dc Distribution ◽  
Line Selection

scholarly journals A Fault Line Selection Method for DC Distribution Network Using Multiple Observers

Energies ◽  
2019 ◽  
Vol 12 (7) ◽  
pp. 1245 ◽  
Author(s):  
Xipeng Zhang ◽  
Nengling Tai ◽  
Pan Wu ◽  
Xiaodong Zheng ◽  
Wentao Huang
Keyword(s):  
Distribution Network ◽  
Initial Result ◽  
Fault Current ◽  
Fault Line ◽  
Fault Line Selection ◽  
Dc Distribution ◽  
Line Selection ◽  
Selection For ◽  
Line Network ◽  
Peak Value

This paper proposes a method of fault line selection for a DC distribution network. Firstly, the 1-mode current is calculated using the measured currents of the positive and the negative line. Then, it is time reversed and further decomposed by wavelet technology. Secondly, the lossless mirror line network is established according to the parameters and the topology of the DC distribution network. Thirdly, it is presumed that several virtual current sources are employed at the locations where the corresponding observers are, and the values of these current sources are equal to the processed 1-mode currents. Fourthly, a fault is placed at every point of the lossless mirror line network the RMS value of every assumed fault current is calculated. During this process, the phase coefficient of every lossless mirror line is set to vary along with the length of the line obeying Gaussian distribution. Finally, the line with the peak value of the RMS values of the currents is selected as the fault line. The result of fault line selection is updated using the fewest observers that are set in advance according to the initial result. A DC distribution network is simulated in PSCAD/EMDTC to verify the correctness of the proposed method.

An adaptive fault line selection method based on atomic comprehensive measure values for distribution network

2016 ◽  
Vol 27 (6) ◽  
pp. e2310 ◽  
Author(s):  
Xiangxiang Wei ◽  
Dechang Yang ◽  
Boying Wen ◽  
Xiaowei Wang ◽  
Chenhui Yin ◽  
...  
Keyword(s):  
Distribution Network ◽  
Selection Method ◽  
Fault Line ◽  
Fault Line Selection ◽  
Line Selection

scholarly journals Fault Line Selection Method for Distribution Network Based on Angle Similarity

2020 ◽  
Vol 495 ◽  
pp. 012024
Author(s):  
Guang Feng ◽  
Ming Chen ◽  
Guojie Xiang ◽  
Kun Yu ◽  
Xiangjun Zeng
Keyword(s):  
Distribution Network ◽  
Selection Method ◽  
Fault Line ◽  
Fault Line Selection ◽  
Line Selection
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