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Rüzgâr Türbinlerinde Kanatların Boyuna Kütle Dağılımının Enerji Verimliliğine Etkisi
(Abdullah Gül Üniversitesi, Fen Bilimleri Enstitüsü, 2024) Yağmur, Muhammed Yasir; Çiftci, Cihan
The purpose of this thesis is to examine the effect of mass distribution on wind turbine energy, which may occur for any reason along the length of the wind turbine blade, through experimental studies. In this regard, first of all, a wind turbine blade without any extra mass along the blade length was randomly selected, and it was determined to be used as a reference sample in the comparisons of this study. Additionally, the other four different sample types with extra mass along the blade length were also produced to be used in comparisons. All these sample types were produced three times to be used for the experimental studies. Each of these sample types was produced in three times to be used for the experimental studies. After the production of these samples, they were subjected to wind tunnel tests at the Department of Energy Systems Engineering at Erciyes University. According to the experimental results, it was revealed that the inertia of the blades in rotation is related to the number of turns of the blades under wind. In other words, the results of these tests show that the inertia in rotation is directly related to the mass distribution along the length of the blades. Therefore, lighter blades can accelerate faster against the wind force, and the maximum number of turns they can reach is higher. As a result, the industry must keep the rotational inertia of the produced blades lower in order to produce blades for wind turbines that rotate at higher speeds and maximize energy efficiency.
Elektrik Dağıtım Şirketleri Perspektifinden Blockchain Temelli Enerji Uygulamaları
(Abdullah Gül Üniversitesi, Fen Bilimleri Enstitüsü, 2022) Yağmur, Ahmet; Tonyalı, Samet
This thesis discusses blockchain-based energy applications from the distribution system operator (DSO) perspective. Blockchain has a potential impact on emerging actors, such as electric vehicles (EVs), charging facility units (CFUs), Distributed Energy Resources (DERs) and microgrids of the electricity grid. Although, blockchain offers magnificent, decentralized solutions, owing to the reality of the existing grid structure, the central management of DSOs still plays a significant, non-negligible role. Numerous studies of proposed blockchain-based EV systems have investigated the energy costs of EVs, fast and efficient charging, privacy and security, peer-to-peer energy trading, sharing economy, selection of appropriate location for CFUs, and scheduling. Additionally, blockchain in DERs, microgrids and energy market investigated in literature. However, cooperation with DSO organizations has not been adequately addressed. Blockchain-based solutions mainly suggest an entirely distributed and decentralized approach for energy trading. However, converting the entire power system infrastructure is considerably expensive. Building a thoroughly decentralized electricity network is nearly impossible in a short time, particularly at the national grid level. In this regard, the applicability of the solutions is as significant as their appropriateness, especially from the DSO perspective, and must be examined closely. The blockchain applicability of the essential DSO services such as SCADA and AMI are analyzed in this study. Time series analysis applied to forecast future peak load of the grid in a pilot region. Reducing the peak load by using BC based demand side management mechanism scenario evaluated and total saving of grid investment is analyzed. We searched and analyzed DSO-based requirements for potential blockchain applications in the energy sector.

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