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Toplam kayıt 54, listelenen: 21-40

Design of a parameter determination system for non-isolated converter topologies

Colak, Ilhami; Irmak, Erdal; Kabalci, Ersan; Yeşilbudak, Mehmet (2011)

Nowadays, power electronics systems developed need small size, reliable, high quality and efficient switch mode power supplies. However, switch mode power supplies also require determining the operating parameters accurately ...
Design of an intelligent decision making system for a travelling wave ultrasonic motor

Colak, Ilhami; Bayindir, Ramazan; Kahraman, Hamdi Tolga; Yeşilbudak, Mehmet (2009)

In this study, an intelligent decision making system which determines the compatibility of operating parameters has been designed for the travelling wave ultrasonic motor (TWUSM). The system designed converts input parameters ...
Excitation current forecasting for reactive power compensation in synchronous motors: A data mining approach

Bayindir, Ramazan; Colak, Ilhami; Sagiroglu, Seref; Yeşilbudak, Mehmet (2012)

Excitation current of a synchronous motor has a key role in reactive power compensation. For this purpose, the k-nearest neighbor (k-NN) classifier designed in this paper predicts the excitation current parameter using ...
Farklı bara sayısına sahip güç sistemlerinde yük akışı analiz metotlarının karşılaştırılması

Yeşilbudak, Mehmet; Ermiş, Salih; Bayındır, Ramazan (2017)

Günümüzde, artan enerji talebine paralel olarak üretim ve tüketim noktaları sürekli artmakta ve güç sistemleri hızla büyümektedir. Ancak, güç sistemlerinin güvenli, verimli ve devamlılığı sağlayacak bir şekilde planlanması, ...
Forecasting of daily total horizontal solar radiation using grey wolf optimizer and multilayer perceptron algorithms

Colak, Medine; Yesilbudak, Mehmet; Bayindir, Ramazan (2019)

Solar radiation data is an indispensable input for photovoltaic and solar-thermal systems. In this regard, the consistent solar radiation forecasting is a primary task in solar energy applications. In this paper, grey wolf ...
Güç sistemlerinde gerilim kararlılığını etkileyen faktörler

Bayındır, Ramazan; Yeşilbudak, Mehmet; Çetinkaya, Ümüt (2015)

Teknolojik gelişmeler sonucunda elektrik enerjisine olan talep her geçen gün artmaktadır. Arz-talep güvenliğinin sağlanabilmesi için üretim, iletim ve dağıtım sistemlerinde sürekli yeni yatırım ve yenilikler yapılmaktadır. ...
Güç sistemlerinde meta-sezgisel yöntemlerle bir optimizasyon çalışması

Ermiş, Salih; Yeşilbudak, Mehmet; Bayındır, Ramazan (2019)

Güç sistemlerinde optimizasyon, enerjinin verimli, kaliteli ve kesintisiz olarak sağlanması için üzerinde çalışılması gereken en önemli konulardan biridir. Optimizasyonda, sistemdeki yük değerine göre generatör üretim ...
Implementation of novel hybrid approaches for power curve modeling of wind turbines

Yeşilbudak, Mehmet (2018)

In wind energy conversion systems, a power curve links the wind speed to the power produced by a wind turbine and an accurate power curve model helps wind power providers to capture the performance of wind turbines. For ...
Integration challenges and solutions for renewable energy sources, electric vehicles and demand-side initiatives in smart grids

Colak, Ayse; Yeşilbudak, Mehmet (2018)

As a result of the rapid increase on electricity demand and power system expansion worldwide, smart grids have emerged as an opportunity for the modernization of traditional grids. Nevertheless, there are many technical ...
Investigation of the effects of FACTS devices on the voltage stability of power systems

Ermis, Salih; Bayindir, Ramazan; Yeşilbudak, Mehmet (2017)

In parallel with the technological advances, the electrical power demand is constantly increasing and this makes the voltage stability difficult for the electrical power systems. At this point, FACTS (Flexible AC Transmission ...
k-means partition of monthly average insolation period data for Turkey

Colak, Ilhami; Bayindir, Ramazan; Yeşilbudak, Mehmet (2016)

Solar power penetration has made the site-specific energy ratings an essential necessity for utilities, independent systems operators and regional transmission organizations. Since, it leads to the reliable and efficient ...
Kullanıcı merkezli interaktif veri madenciliği: Bir literatür taraması

Karacan, Hacer; Yeşilbudak, Mehmet (2010)

Günümüzde birçok veri madenciliği modeli, veri tabanlarında gizli kalmış örüntülerin otomatik olarak elde edilmesi ve veri analiz sürecinin verimliliğine önem vermektedir. Ancak, örüntülerin sadece veri madenciliği ...
Load and short-circuit analyses of the electricity transmission system for industry regions in Ankara

Bayindir, Ramazan; Cetinkaya, Umut; Yeşilbudak, Mehmet (2015)

In recent years, the increasing electricity demand leads energy operators to new grid investments. On the other hand, electricity grids are constantly extending and include different kinds of generation and consumption ...
Main barriers and solution proposals for communication networks and information security in smart grids

Colak, Ilhami; Yeşilbudak, Mehmet (2018)

The energy market in the world suffers from the lack of energy security and therefore the smart grids appear one of the feasible infrastructures to fill the future gap between energy supply and demand. However, there are ...
Modelling and analysing of electricity transmission infrastructure of Ankara, Turkey: A case study on the critical line scenarios

Bayindir, Ramazan; Cetinkaya, Umut; Yeşilbudak, Mehmet (2015)

The use of electricity has been increasing constantly from past to now and there is a need of reliable transmission and distribution systems in order to provide continuous and balanced energy. Besides, traditional energy ...
Monthly electrical energy consumption modeling using ant lion optimizer

Sagliyan, Ozge; Colak, Ayse; Yeşilbudak, Mehmet (2019)

This study concentrates on the application of ant lion optimizer in the monthly electrical energy consumption modeling. For this purpose, daily electrical energy consumption recorded for spring and summer seasons of Turkey ...
Multi-period prediction of solar radiation using ARMA and ARIMA models

Colak, Ilhami; Genc, Naci; Bayindir, Ramazan; Yeşilbudak, Mehmet (2015)

Due to the variations in weather conditions, solar power integration to the electricity grid at a high penetration rate can cause a threat for the grid stability. Therefore, it is required to predict the solar radiation ...
Multi-time series and multi-time scale modelling for wind speed and wind power forecasting-Part I: Statistical models, very short-term and short-term applications

Colak, Ilhami; Sagiroglu, Seref; Kabalci, Ersan; Bulbul, Halil Ibrahim; Yeşilbudak, Mehmet (2015)

This study concentrates on multi-time series and - time scale modeling in wind speed and wind power forecasting. Different statistical models along with different time horizons are analyzed and evaluated broadly and ...
Multi-time series and multi-time scale modelling for wind speed and wind power forecasting-Part II: Medium-term and long-term applications

Colak, Ilhami; Sagiroglu, Seref; Kabalci, Ersan; Bulbul, Halil Ibrahim; Yeşilbudak, Mehmet (2015)

This paper represents the second part of an entire study which focuses on multi-time series and -time scale modeling in wind speed and wind power forecasting. In the first part of the entire study [1], firstly, moving ...
Optimal power flow using artificial bee colony, wind driven optimization and gravitational search algorithms

Ermis, Salih; Bayindir, Ramazan; Yeşilbudak, Mehmet (2019)

In this study, artificial bee colony, wind driven optimization and gravitational search algorithms are employed in order to solve the optimal power flow problem. The proposed optimization approaches are tested on the ...

Toplam kayıt 54, listelenen: 21-40

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Yazar "52131" için Fakülteler / Faculties listeleme

Yazar "52131" için Fakülteler / Faculties listeleme

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