Enhancing Fault Location Accuracy in Transmission Lines Using Transient Frequency Spectrum Analysis: An Investigation into Key Factors and Improvement Strategies

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dc.contributor.authorAkdag, Mustafa
dc.contributor.authorMamis, Mehmet Salih
dc.contributor.authorAkmaz, Duzgun
dc.date.accessioned2026-04-04T13:31:08Z
dc.date.available2026-04-04T13:31:08Z
dc.date.issued2024
dc.departmentİnönü Üniversitesi
dc.description.abstractFault location estimation in transmission lines is critical for power system reliability. Various methods have been developed for this purpose, among which transient frequency spectrum analysis (TFSA) stands out as a recent method based on travelling wave (TW) theory. TFSA determines the fault location by analyzing the frequency spectrum of transient currents and/or voltages at the instant of the fault, offering advantages such as independence from fault impedance and the ability to locate faults with one-side measurements. Despite its success in fault location, TFSA has several considerations that warrant detailed investigation. This study explores the effects of source inductance, series compensation, fault arc, and current transformer (CT) characteristics on transient frequencies. Additionally, the impact of noise on TFSA results is examined. The new proposed source inductance compensation method can reduce the error of 6.55% to 0.88%, where the same error can be reduced to 3.45% with the compensation method given in previous study. Strategies to enhance accuracy are discussed and compared to previous studies, including a proposed detection approach providing appropriate data size and precise wave propagation speed calculations. These findings contribute to a deeper understanding of TFSA's limitations and inform practical improvements for fault location accuracy in power transmission systems.
dc.identifier.doi10.3390/electricity5040043
dc.identifier.endpage876
dc.identifier.issn2673-4826
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85213440663
dc.identifier.scopusqualityQ2
dc.identifier.startpage861
dc.identifier.urihttps://doi.org/10.3390/electricity5040043
dc.identifier.urihttps://hdl.handle.net/11616/108595
dc.identifier.volume5
dc.identifier.wosWOS:001386621500001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofElectricity
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250329
dc.subjectoverhead transmission line (OTL)
dc.subjectfault location
dc.subjecttravelling wave (TW)
dc.subjectfrequency spectrum
dc.subjectfast Fourier transform (FFT)
dc.titleEnhancing Fault Location Accuracy in Transmission Lines Using Transient Frequency Spectrum Analysis: An Investigation into Key Factors and Improvement Strategies
dc.typeArticle

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