Yazar "Tören, Murat" için listeleme
-
Comparative analysis of the magnet effects on the permanent magnet BLDC motor performance used in electric vehicles
Tören, Murat (Springer, 2022)The importance of electric vehicles has increased in recent years due to their environmental friendliness and the growing need for clean energy. The main traction power that provides the movement of these vehicles is ... -
Comparative implementation of graphene sheet insulation heat effect in dry-type transformers
Tören, Murat; Çelebi, Mehmet (Elsevier, 2021)Since the distribution transformers are widely used in industry, many variables, including materials, methods, and manufacturing processes directly affect its lifetime. The dry-type transformers are usually used in inner ... -
Comparative implementation of thermoelectric coolers in transformer cooling
Tören, Murat; Mollahasanoğlu, Hakkı (Taylor & Francis Ltd., 2023)In this study, using a comprehensive experimental methodology, thermoelectric coolers (TECs) are used for transformer cooling in contrast to classical methods such as air, oil, and water. The effects of this operation are ... -
Comparison of heuristic approaches in weight optimization of different power levels transformers
Tören, Murat; Mollahasanoğlu, Hakkı (Taylor & Francis Ltd., 2022)In this study, the weight of distribution type transformers and power transformers, which are used extensively in the industry, is optimized. A heuristic approach that uses the Firefly algorithm, Ant Colony algorithm, and ... -
Comparison of reduction methods for peak-to-average-power-ratio (PAPR) in MIMO-OFDM systems with a new approach
Tören, Murat; Çiflikli, Cebrail (Polish Acad Sciences Inst Physics, 2016)This study is based on the comparison of the results of an analysis recommended for the peak-to-average-power-ratio (PAPR) reduction methods. This is one of the most significant problems in the multiple input-multiple ... -
Determination of the performance parameters of a gearless direct-drive inner-rotor PMBLDC motor via different slot-magnet combinations
Tören, Murat (Springer, 2023)This study primarily includes the electromagnetic and parametric design and performance analysis of a gearless direct-drive permanent magnet brushless direct current motor (IPMBLDC-DD) with an inner-rotor structure designed ... -
Efficiency improvement for a DC-DC quadratic power boost converter by applying a switch turn-off lossless snubber structure based on zero voltage switching
Ghaderi, Davood; Çelebi, Mehmet; Minaz, Mehmet Recep; Tören, Murat (Kaunas Univ Technology, 2018)So as to keep the converter in small size, high switching frequencies are normally used. As a result, in higher frequencies, switching losses seriously affect the efficiency. Current and voltage stresses on power switch ... -
Elektrikli ve hibrit araçlardaki elektrik motorlarının içten yanmalı motorlarda oluşan 〖CO〗_2 emisyonunda meydana getireceği değişimin tahmini ve verimliliğe etkisi: Türkiye örneklemesi
Tören, Murat; Mollahasanoğlu, Hakkı (TUBİTAK Scientific & Technical Research Council Turkey, 2022)Günümüzde, artan hava kirliliği sorunu, iklim değişikliği, petrol rezervlerinin hızlı tükenmesi ve pahalı olması, ulaşım sektöründe çevre dostu, verimli ve sürdürülebilir çalışmaların artmasına neden olmaktadır. Bu sebeple, ... -
Evaluation of the exposure of 4.5g mobile phone base stations in different band radio frequencies in urban center and rural areas in Turkey
Tören, Murat; Ulutaşdemir, Nilgün (2024)Mobile phone base stations (MPBS) are electronic communication equipment, the number of which is rapidly increasing with the increasing need for mobile data use with developing technology. Since the middle of the 21st ... -
Generative adversarial network based contrast enhancement: synthetic contrast brain magnetic resonance imaging
Solak, Merve; Tören, Murat; Asan, Berkutay; Kaba, Esat; Beyazal, Mehmet; Çeliker, Fatma Beyazal (Elsevier, 2024)Rationale and Objectives: Magnetic resonance imaging (MRI) is a vital tool for diagnosing neurological disorders, frequently utilising gadolinium-based contrast agents (GBCAs) to enhance resolution and specificity. However, ... -
Görüntü i̇şleme ve derin öğrenme teknikleriyle çay bitkisinde fitofag akar kaynaklı hasarın tespit edilmesi
Tören, Murat; Akıner, Muhammet Mustafa; Kaba, Bengisu; Yazıcı, Feyza; Asan, Berkutay; Beriş, Fatih Şaban (IEEE, 2024)The objective of this study is to ascertain the structural variations resulting from the detrimental impact of invertebrates on tea plant leaves. To this end, image processing and deep learning techniques were employed to ... -
Gri Kurt optimizasyon algoritması ile güç ve dağıtım türü transformatörlerin ağırlık optimizasyonu
Tören, Murat; Mollahasanoğlu, Hakkı (2023)Elektromanyetik alan yoluyla elektrik enerjisinin aktarılması prensibine göre çalışan transformatörler, yüksek verimliliğe sahip elektrik makinalarıdır. Transformatörün verimliliğini etkileyen ağırlık ve boyut parametreleri, ... -
Heuristic algorithm-based estimation of rotor resistance of an induction machine by slot parameters with experimental veri cation
Çelebi, Mehmet; Tören, Murat (2017)The estimations of induction machine equivalent circuit parameters are still being widely used in the analysis and in determining the characteristics of the machine. Since the most important part of the machine is the rotor ... -
Impact on efficiency of core materials in dry type transformers
Tören, Murat; Çelebi, Mehmet (Ieee, 2016)Transformers have an important place in electric transmission and distribution systems. Transmission and distribution efficiency of transformers should be high in regard to energy efficiency. Efficiency is one of important ... -
Investigation of the effect of different power degree NdFeB magnets used in interior permanent magnet brushless direct current motor (IPMBLDC) on motor performance
Tören, Murat; Mollahasanoğlu, Hakkı (Gazi Üniversitesi, 2023)Purpose: In this study, it is aimed to determine the effects of magnets used in BLDC motors on the motor performance of NdFeB type magnets with different power densities at different temperatures. Theory and Methods: The ... -
Investigation of thermoelectric cooler system effect on induction motor performance
Tören, Murat; Mollahasanoğlu, Hakkı (Institute of Electrical and Electronics Engineers Inc., 2021)Induction motors are generally cooled by the fan connected to the motor shaft, as the cooling of electrical machines is important. In this study, an alternative method is proposed for cooling of induction motors. Thermoelectric ... -
Optimization of transformer parameters at distribution and power levels with hybrid Grey wolf-whale optimization algorithm
Tören, Murat (Elsevier, 2023)Oil-type transformers (OTT) are used more than dry-type transformers, based on cost in the transmission and distribution of electrical energy. Therefore, this usage density increases the importance of cost in OTT. Weight ... -
Peak-to-average-power-ratio (PAPR) reduction methods with wavelet transform in MIMO-OFDM
Tören, Murat; Çiflikli, Cebrail (Taylor & Francis Ltd, 2018)This study is based on the comparison of the results with an analysis method recommended for the Peak-to-Average-Power-Ratio (PAPR) reduction methods. This is one of the most significant problems in the Multiple Input-Multiple ... -
Termoelektrik soğutucuların yağlı tip dağıtım transformatörlerinin faydalı ömürlerine etkisinin incelenmesi
Tören, Murat (2022)Elektrik enerjisinin iletim ve dağıtım sistemleri içerisinde aktif rol alan transformatörlerin, endüstriyel sahada sayıca fazla kullanım alanına sahip türü, dağıtım transformatörleridir. Bu transformatörler kullanıldıkları ... -
Yağlı tip transformatörlerde hibrit bir soğutma sistem tasarımının FEM ve CFD analizleri
Tören, Murat (Niğde Üniversitesi, 2022)Yağlı tip transformatörler(YTT), elektrik enerjisinin iletim ve dağıtım sürecinde yüksek kullanıma sahip elektrik makineleridir. Bu transformatörler üretim maliyetlerinin düşük olması ve kullanım alanının geniş olması ...
