Publication:
Calculation of fundamental power frequency for digital relaying algorithms

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dc.contributor.authorTERZİ, ÜMİT KEMALETTİN
dc.contributor.authorsKocaman C., Ozgonenel O., Ozdemir M., Terzi U.K.
dc.date.accessioned2022-03-15T01:57:46Z
dc.date.available2022-03-15T01:57:46Z
dc.date.issued2010
dc.description.abstractThis paper describes two different measuring methodology for calculating fundamental power system frequency (50 - 60 Hz) with high accuracy for numeric protection algorithms. Especially in distance protection, to measure the fundamental power frequency is a vital fact to locate the fault correctly. The problem is complex because the power frequency changes from 49.0 Hz to 51.0 Hz over a wide range for 50 Hz systems. Assuming the frequency of only 50 Hz or 60 Hz may cause under or over reach problem in distance relaying algorithms. Therefore the aim of this paper is to present a high accuracy, with a wide range frequency estimation algorithm for either sinusoid or non-sinusoid signals. The experimental results reported prove that the first method is more accurate than the second one. In this paper, two different calculation procedures are introduced. The first one is curve fitting approach and needs only six samples of the current or voltage signal. The second one is based on auto correlation function of sampled data. The proposed methods are robust for a wide range of sampling frequency, Fs and give more accurate results than the traditional ones.
dc.identifier.doi10.1049/cp.2010.0327
dc.identifier.isbn9781849192125
dc.identifier.urihttps://hdl.handle.net/11424/247000
dc.language.isoeng
dc.relation.ispartofIET Conference Publications
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectauto correlation function (ACF)
dc.subjectcurve fitting (CF)
dc.subjectFast Fourier Transform (FFT)
dc.subjectFrequency estimation
dc.subjectnon-sinusoidal
dc.titleCalculation of fundamental power frequency for digital relaying algorithms
dc.typeconferenceObject
dspace.entity.typePublication
local.avesis.id2837d177-793b-45d5-b5ee-581f6d40ccd2
local.conference.title10th IET International Conference on Developments in Power System Protection, DPSP 2010
local.import.packageSS21
local.import.sourceScopus
local.indexed.atSCOPUS
oaire.citation.issue558 CP
oaire.citation.titleIET Conference Publications
oaire.citation.volume2010
relation.isAuthorOfPublication0be06641-7d3d-4a7a-8e8c-7f32391e173b
relation.isAuthorOfPublication.latestForDiscovery0be06641-7d3d-4a7a-8e8c-7f32391e173b

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