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A novel application of Naïve Bayes classifier in photovoltaic energy prediction

Bayindir, Ramazan; Colak, Medine; Genc, Naci; Yeşilbudak, Mehmet (2017)

Solar energy is one of the most affordable and clean renewable energy source in the world. Hence, the solar energy prediction is an inevitable requirement in order to get the maximum solar energy during the day time and ...
A review of data mining and solar power prediction

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

Solar energy is one of the clean and renewable energy sources that are mostly available in the world. As a result of this situation, there are many research studies done on the solar energy in order to get the maximum solar ...
Ankara ilinin uzun dönem global güneş ışınım şiddeti, güneşlenme süresi ve hava sıcaklığı verilerinin analizi ve eğri uydurma metotlarıyla modellenmesi

Yeşilbudak, Mehmet; Çolak, Medine; Bayındır, Ramazan (2018)

Güvenli, çevre dostu ve sürdürülebilir olan fotovoltaik enerji sistemlerinin kurulumlarında solar parametreler hakkındaki bilgiler önemlidir. Bu çalışmada, öncelikle, Ankara ilinin uzun dönem global güneş ışınım şiddeti, ...
Daily photovoltaic power prediction enhanced by hybrid GWO-MLP, ALO-MLP and WOA-MLP models using meteorological information

Colak, Medine; Yesilbudak, Mehmet; Bayindir, Ramazan (2020)

Solar energy is a safe, clean, environmentally-friendly and renewable energy source without any carbon emissions to the atmosphere. Therefore, there are many studies in the field of solar energy in order to obtain the ...
Design and simulation of a drive system for speed control of travelling wave ultrasonic moto

Colak, Ilhami; Demirtas, Mehmet; Bayindir, Ramazan; Yeşilbudak, Mehmet (2010)

This paper presents a low cost, user friendly and effective drive system for the speed control of travelling wave ultrasonic motor (TWUSM). Driving frequency and voltage were used as control inputs in the speed control. ...
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 ...
Development of Matlab/GUI based analysis tool for wind turbines

Bayındır, Ramazan; Kabalcı, Ersan; Keven, Gökhan; Can, Celal (European Conference And Workshop On Renewable Energy Systems, 2012-09-17)

Developing countries are tending to alternative energy resources to generate the required energy since fossil-based fuel reserves are decreasing. Wind, which is one of the alternative energy resources, is preferred at the ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Peak point detection of phase-to-phase effective voltages for smart grids: A comparative study

Colak, Alperen Mustafa; Shibata, Yuichiro; Kurokawa, Fujio; Ermis, Salih; Bayindir, Ramazan; Yeşilbudak, Mehmet (2017)

Smart grid systems include many different power sources such as renewable and fossil energy basis. While collecting all type of energy on the grid, phase order, frequency, maximum voltage value and synchronization time of ...
Standards-based investigation of voltage dips and voltage imbalances in an organized industrial zone

Bayindir, Ramazan; Ermis, Salih; Yeşilbudak, Mehmet (2016)

The measurement, monitoring and evaluation of power quality have a great importance for avoiding grid- and device-based problems in the stages of generation, transmission, distribution and consumption of electrical energy. ...