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Güç Sistemlerinde Sistem Frekans Kayması Olduğu Durumlarda En Uygun Frekans Kestirici Seçimi
2021
Journal:  
Avrupa Bilim ve Teknoloji Dergisi
Author:  
Abstract:

Parametre tahmini, özellikle gürültü ile kirlenmiş sinüzoidal sinyallerin frekans tahmini, iletişim, enstrümantasyon, tıp ve radar gibi birçok alandaki geniş uygulamaları nedeniyle büyük önem taşımaktadır. Günümüzün güç sistemlerinde, nominal sistem frekansındaki frekans sapmaları, spektrumda sahte veya sözde hayalet frekans bileşenlerine neden olmaktadır. Bu tür frekans bileşenleri, sistemde bulunan harmoniklerin ve araharmoniklerin gerçek zamanlı izlenmesini zorlaştırmaktadır. Bu çalışmada, sistem frekans sapmalarının yan etkilerini en aza indirmek için, çeşitli frekans kestiricilerin performansları, değişen temel frekans ve gürültü koşullarına göre değerlendirilmiş ve en uygun kestirici seçilmiştir.

Keywords:

Choosing The Optimum Frequency Estimator Under System Frequency Deviations In Power Systems
2021
Author:  
Abstract:

Parameter estimation in particular the frequency estimation of sinusoidal signals contaminated with noise is of great importance due to its broad applications in many fields such as communications, instrumentation, medicine and radar. In today’s power systems, frequency deviations in the nominal system frequency would cause spurious or so-called ghost frequency components in the spectrum. Those types of frequency components complicate the real-time tracking of harmonics and interharmonics present in the system. In this study, in order to minimize the side effects of system frequency deviations the performances of various frequency estimators are evaluated against varying fundamental frequency and noise conditions and the optimum estimator is chosen.

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Avrupa Bilim ve Teknoloji Dergisi

Field :   Fen Bilimleri ve Matematik; Mühendislik

Journal Type :   Uluslararası

Metrics
Article : 3.175
Cite : 5.566
2023 Impact : 0.178
Avrupa Bilim ve Teknoloji Dergisi