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Fault identification using wavelet transform and Petri networks
Author(s) -
Fang Liu,
Jian Hangli,
Qian Sun,
Zhi Wang,
Fan Chen,
Kai Liu,
Shanshan Yuan,
Jia Mengqing,
Jiang Li
Publication year - 2021
Publication title -
iop conference series earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/645/1/012033
Subject(s) - phasor , fault (geology) , phasor measurement unit , computer science , wavelet transform , petri net , identification (biology) , transient (computer programming) , units of measurement , outlier , wavelet , electronic engineering , fuzzy logic , real time computing , algorithm , engineering , artificial intelligence , electric power system , power (physics) , physics , botany , quantum mechanics , seismology , biology , geology , operating system
This paper proposes the fault identification methods by using fuzzy Petri networks for the advanced application of the micro phasor measurement unit (μPMU) in the distribution network. Firstly, μPMUs are placed at multi buses of the radial distribution network, and the measured impedance is obtained by μPMU. Then, the transient characteristics of the three-phase fault current are extracted by the wavelet transform and Petri networks. Finally, the simulation verifies the effectiveness of the proposed method in 10kV distribution networks.

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