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On the use of S-transform for fault feeder detection based on two phase currents in distribution power systems

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5 Author(s)
Shu Hongchun ; Fac. of Electr. Eng., Kunming Univ. of Sci. & Technol., Kunming, China ; Wang Xu ; Tian Xincui ; Wu Qianjin
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The paper presents a procedure for fault feeder detection in distribution power systems, based on the use of the amplitude-time and argument-time by S-transform of the zero-module bus voltage and two phase currents transients associated with the fault-originated traveling waves. The analysis carried out shows that the argument of currents have difference 180° between fault feeder and sound feeders at fault-originated which make fault feeder detectible. A large number of simulation results demonstrate the feasibility and validity of the procedure.

Published in:

Industrial and Information Systems (IIS), 2010 2nd International Conference on  (Volume:2 )

Date of Conference:

10-11 July 2010