The study on wavelet coefficient behavior of simultaneous fault on the hybrid between overhead and underground distribution system

dc.contributor.authorPothisarn, Chaichan
dc.contributor.authorJettanasen, Chaiyan
dc.date.accessioned2026-08-06T10:24:34Z
dc.date.available2026-08-06T10:24:34Z
dc.date.issued2019-05-01
dc.description.abstractThis paper proposed the study on behaviour and characteristic of wavelet coefficient in case of simultaneous fault occurrence on hybrid transmission system. The ATP/EMTP software has been used to simulate 115-km hybrid transmission line that modelled after on part of PEA distribution system. The case study system is 40 km distribution line with overhead line on first 20 km section and underground cable on the second half. The Discrete Wavelet Transform (DWT) has been used to analyse fault signal. Various factor that can affect system characteristic such as inception angle, location, and type of fault has been taken into consideration. The result shown the significant change in coefficient of high frequency component when simultaneous fault occurs compared to single fault especially in hybrid distribution system when fault occur on both overhead and underground cable, thus result in problematic analysis of coefficient and complexity in design suitable algorithm. This change in system characteristic must be taken into consideration when develop protection system in order to achieve the satisfactory performance with even more complex power system in the future.
dc.identifier.citationInternational Journal of Smart Grid and Clean Energy, 8(3), 367-371, 2019
dc.identifier.doi10.12720/sgce.8.3.367-371
dc.identifier.issn23154462
dc.identifier.other2-s2.0-85065074328
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/9858
dc.sourceInternational Journal of Smart Grid and Clean Energy
dc.subjectDistribution system
dc.subjectFault
dc.subjectOverhead line
dc.subjectUnderground cable
dc.subjectWavelet transform
dc.titleThe study on wavelet coefficient behavior of simultaneous fault on the hybrid between overhead and underground distribution system
dc.typeArticle

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