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Introduction
Kerim Karabacak currently works at the technical sciences vocational school, Dumlupinar Üniversitesi. Kerim does research in Electrical Engineering and Electronic Engineering.
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November 2011 - January 2016
Publications
Publications (18)
Bu bölümde öncelikle diferansiyel denklemler hakkında temel bilgiler verilmiştir. Sonrasında, elektrik sistemlerin diferansiyel denklemler kullanılarak modellenmesi konusu işlenmiştir. Akabinde, örnek bir elektrik devresi diferansiyel denklemler yardımı ile modellenmiştir. Matematiki modeli oluşturulan örnek elektrik devresi Simulink programı ile s...
This study investigates the performance of a Permanent Magnet Synchronous Generator (PMSG) wind turbine system under varying wind speed conditions, a critical factor in optimizing energy production for renewable power systems. By simulating the dynamic response of the PMSG wind turbine to fluctuating wind inputs, it's analyzed the key performance m...
![Figure 2. Internal structure of EDLC [2].](profile/Kerim-Karabacak/publication/379692091/figure/fig2/AS:11431281235303415@1712685059738/nternal-structure-of-EDLC-2_Q320.jpg)
![Figure 3. Electron micrograph view of activated carbon electrode [3].](profile/Kerim-Karabacak/publication/379692091/figure/fig3/AS:11431281235303416@1712685059893/Electron-micrograph-view-of-activated-carbon-electrode-3_Q320.jpg)
The integration of supercapacitors in photovoltaic (PV) energy systems holds immense potential for enhancing energy storage, reliability, and efficiency. This article provides a comprehensive overview of recent advancements, challenges, and opportunities in the utilization of supercapacitors within PV systems. Fundamental principles of supercapacit...
Tis paper presents a grey-box model of a DC/DC boost converter for PV energy systems. Te proposed model contains a white-box model part and a black-box model part together to prepare a better model for the PV boost converter. Te white-box model part is used for knowledge of the circuit by mathematical equations since the black-box model part is use...
Enerji talebinin sürekli bir artış gösterdiği bir dönemde, sürdürülebilir enerji kaynaklarına olan ilgi ve ihtiyaç giderek artmaktadır. Bu kapsamda, güneş enerjisi temelli fotovoltaik (PV) enerji sistemleri, dünya genelinde enerji portföylerinde daha etkili bir rol oynamakta ve çevre dostu bir enerji üretimi sağlamaktadır. Bu bölüm, özellikle Türki...
Photovoltaic energy systems stand out as an important alternative energy production system against fossil fuel-based energy production systems due to their clean energy production processes. However, it is important to conduct a clear economic feasibility analysis before installing a photovoltaic power system. The return period of the investment to...
Today, photovoltaic energy systems play an important role in meeting energy needs. The share of renewable energy systems in electrical energy production is increasing day by day with the installation of roof and land type photovoltaic energy systems. However, difficulties are encountered in the establishment of agricultural irrigation systems due t...
Günümüzde, fosil kaynaklara bağımlı enerji üretiminin sebep olduğu çevre sorunları göz önüne alındığında, yenilenebilir enerji sistemleri kullanımı ön plana çıkmaktadır. Özellikle güneş enerjisi çevrim sistemleri ve rüzgâr enerjisi çevrim sistemleri, kolay ulaşılabilir olmaları nedeniyle popüler olarak kullanılmaktadırlar. Güneş enerjisi ve rüzgâr...
Due to their clean energy generation process, PV energy systems are an important alternative energy production system against fossil fuel-based energy production systems. However, it is important to make a clear and brief economic feasibility analysis before the installation of a PV energy system. The return time of the investment should have been...
Kırsal bölgelerdeki evlerde kullanılan enerji ihtiyacı, elektrikli cihazların hayatımızdaki yerlerinin artması ile birlikte gün geçtikçe artmaktadır. Buna karşın, teknoloji geliştikçe daha az enerji harcayarak çalışabilen elektrikli cihazlar tasarlanmakta ve piyasaya sürülmektedir. Bunun bir sonucu olarak, daha fazla miktarda elektrikli cihaz, daha...
Most of conventional power systems, especially fossil fuel plants harms the environment. Their poisoning and toxic gas emission levels are dangerous for our future. In recent years, renewable energy sources are in demand for clean energy production. One of the most using renewable energy generation style is photovoltaic power systems have increasin...
ABSTRACT: In this paper, a hybrid renewable energy system is proposed which includes PV, wind generator and batteries. Cost functions of whole system is determined. Power-cost relations for each renewable energy module (PV, wind generator, battery) are inspected. Genetic algorithm is used to minimize the total cost of proposed renewable energy syst...
Rüzgâr ve güneş enerjisi günümüzde en çok kullanılan yenilenebilir enerji kaynaklarıdır. Güneş enerjisi; güneş ışınımı, sıcaklık, bulutlanma vb. parametrelerin sürekli değişmesi nedeni ile süreksiz bir enerji kaynağıdır. Bunun yanında, rüzgâr enerjisi de rüzgâr hızı ve rüzgâr esme yönü parametrelerinin anlık olarak sürekli değişmesi nedeniyle sürek...
Power transformers are very expensive entities of electrical power systems. Since repairing and maintaining health of a transformer is very difficult and time consuming, their failure will have big negative impact on the system. Thus, any information regarding incipient faults in the transformer is very important. In this study, an electronic nose...
A system for monitoring and predicting indoor air quality level is proposed in this paper. The system comprises a computer with a monitoring program and a sensor cell, which has an array of metal oxide gas sensors along with a temperature and humidity sensor. The gas sensors in the cell have been chosen to detect only hydrogen, methane, and carbon...
![Fig. 1. Biological neuron model [2].](profile/Kerim-Karabacak/publication/269168110/figure/fig1/AS:621073108320258@1525086776200/Biological-neuron-model-2_Q320.jpg)
![Fig. 2. A biological neural network with layers [2].](profile/Kerim-Karabacak/publication/269168110/figure/fig5/AS:621073108328464@1525086776349/A-biological-neural-network-with-layers-2_Q320.jpg)
![Fig. 3. Generation of nerve impulse [2].](profile/Kerim-Karabacak/publication/269168110/figure/fig6/AS:621073108307969@1525086776388/Generation-of-nerve-impulse-2_Q320.jpg)
![Table 3 Error between the actual and the predicted values [41].](profile/Kerim-Karabacak/publication/269168110/figure/tbl1/AS:668772381761548@1536459169670/Error-between-the-actual-and-the-predicted-values-41_Q320.jpg)
![Fig. 4. Nerve impulse [2].](profile/Kerim-Karabacak/publication/269168110/figure/fig2/AS:621073108328458@1525086776245/Nerve-impulse-2_Q320.jpg)
Nowadays, renewable energy systems are taking place than the conventional energy systems. Especially, PV systems and wind energy conversion systems (WECS) are taking a big role in supplying world's energy necessity. Efficiency of such types of renewable energy systems is being tried to be improved by using different methods. Besides conventional me...
Considering the rapid consumption of fossil energy, renewable sources are about to have great share in future’s energy supply. However, their applications are limited due to high initial cost and availability and reliability issues. An easy and effective solution to overcome the energy crises is to directly convert solar energy to electricity using...
Trafolarda meydana gelen arızalar, ciddi miktarda can ve mal kaybına neden olmaktadır. Bu nedenle, trafolarda meydana gelebilecek arızaları önceden tahmin edecek mekanizmalar geliştirilmesi gerekmektedir. Bu çalışmada, trafolarda zaman içerisinde meydana gelebilecek arızaları, ciddi seviyeye ulaşmadan tespit etmeye yönelik yeni bir cihaz tasarlanmı...
