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Tür, Mehmet Rıda

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Tur, Mehmet Rıda
Mehmet Rıda Tür
Tur, Mehmet Rida
Mehmet Rtda T.U.R.
Tür, M.R.
Tur, Melunet Rida
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Department of Electricity and Energy / Elektrik ve Enerji Bölümü
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Scholarly Output

21

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12

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2014 - 2019172020 - 20254
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Now showing 1 - 10 of 21
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    Article
    Citation - Scopus: 5
    Mppt Control for PV Systems with Analytical Analysis Fractional Open Circuit Voltage Method
    (IEEE, 2022) Çakmak, Fevzi; Tür, Mehmet Rıda; Tür, Mehmet Rıda; Department of Electricity / Elektrik Bölümü; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    Abstract— In this study, analytical resolved fractional open circuit voltage (FOCV) maximum power point tracking (MPPT) method is presented. The proposed method is obtained by calculating it by utilizing the single diode circuit of the PV module, while measuring the open circuit voltage (Voc) by interrupting the power of other open circuit voltage methods. Vmpp is obtained by multiplying the obtained Voc voltage with the coefficient. The voltage variation (E) is obtained by the subtraction between the panel voltage (Vpv) and the Vmpp voltage. It is applied as an input to the PI controller by multiplying the Ki factor to limit the voltage variation (E). The PI Controller generates the required duty cycle for the DC-DC converter. The most important advantage of this method is acquaring open circuit voltage without power interruption. The proposed method operated effectively at different radiation and temperature values. For the proposed method, it has simulated in Matlab/Simulink program using SHARP NDQ295 model PV panel.
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    Article
    Citation - WoS: 11
    Citation - Scopus: 19
    Impact of Demand Side Management on Spinning Reserve Requirements Designation
    (Int Journal Renewable Energy Research, 2017) Tür, Mehmet Rıda; Ay, Selim; Erduman, Ali; Shobole, Abdulfetah; Wadi, Mohammed; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    The most important responsibility of power system operators is to ensure the reliability of the system. Protecting the load-generator balance is an important part of reliability. There are some uncertainties in the power systems in this regard. In Turkey, the fact that renewable (both solar and wind) penetration, changing peak loads and production results can change unexpectedly must be taken into consideration. The country has more difficulty in operating the energy system, so there is a greater need for system reserves to be created. The demand side needs to be well examined to ensure that the amount of reserves to be kept is at optimum cost. The socioeconomic parameters affecting this cost are added to the account and the minimum cost is created. For this reason, this study shows that the support reserves must maintain the required amount, depending on the demand side conditions.
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    Conference Object
    Citation - WoS: 5
    Citation - Scopus: 12
    Valuation of Reliability Assessment for Power Systems in Terms of Distribution System, a Case Study
    (Ieee, 2017) Tür, Mehmet Rıda; Shobole, Abdulfetah; Wadi, Mohammed; Bayindir, Ramazan; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    Supplying electrical energy to the load on demand, economically and with acceptable levels of reliability and service quality is the main task of a distribution system. Energy distribution reliability is important in the competition conditions in electricity markets because consumers directly supply energy. Therefore, it is not enough to estimate how reliable the distribution system is at present and to estimate the future reliability change in order to make optimum planning decisions, but also to provide the necessary amount of spinning reserve. The past reliability performance of distribution system can be quantified using a wide range of indices. This study is concerned with evaluating the reliability indices for only part of a network. Even though this study is limited due to unavailability as well as the inaccessibility of full and correct data over a sufficient period for analysis, it can give a clue and motive for further evaluation of the reliability of network.
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    Article
    Citation - WoS: 1
    Protection Coordination Practice in Electrical Substation Part-1 Overcurrent and Earth Fault Protection - Case Study of Siddik Kardesler Substation (SKS), Istanbul, Turkey
    (GAZI UNIV, 2017) Tür, Mehmet Rıda; Baysal, Mustafa; Wadi, Mohammed; Tur, Mehmet Rida; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    Protection coordination is the heart of all power systems. To ensure a quality and reliable operation of the power systems, an electrical fault must be cleared within a short time. This can be achieved by proper coordination between the protection relays. In Siddik Kardesler Substation the MV voltage feeders' protection is provided by overcurrent relays. This paper is principally concerned with practical protection coordination of the electrical substation by using Siddik Kardesler Substation substation as a case study. In the Part-2, distance and differential protection will be discussed. Finally, after test and commissioning, the substation is successfully energized without a problem.
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    Conference Object
    Citation - WoS: 18
    Citation - Scopus: 30
    Effect of Faults in Solar Panels on Production Rate and Efficiency
    (IEEE, 2018) Tür, Mehmet Rıda; Colak, Ilhami; Bayindir, Ramazan; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    The economic life of Solar Power Plants (SPP) is accepted for more than 20 years and this point is taken into account in financial analysis. The cumulative effect of very small changes in the efficiency of a system that will generate energy for 20 years increases significantly over the years. SPP efficiency determines the losses in the generated energy. The failures in SPPs have a serious impact on the reliability of the system and the energy balance. Because of this, the energy losses produced by the SPP plant directly depend on two major factors. These factors are plant failures and production inefficiencies in photovoltaic (PV) panels. To know the negative impact of energy losses in PV plants, contributes to optimization in maintenance and design and increases efficiency in power production. In this study, probable losses in SPPs are classified and examined and the possible consequences of these losses and their effects on SPP performance are explained. In addition, by using the actual data in the operation and maintenance follow-up of many power plants, error rates grouped by the deficiencies in energy balance are achieved. According to these results, the process in the system under test, 67415 MW of power plant and 59211 MW of power plant has been obtained, resulting in a total 87.83 percent difference.
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    Article
    Citation - WoS: 4
    Güç sistemlerinde ünite tahsisi için döner rezerv gereksinimi optimal değerinin kayıp parametrelerin dikkate alınarak hesaplanması
    (Gazi Üniversitesi, 2019) Tür, Mehmet Rıda; Ay, Selim; Shobole, Abdulfetah; Wadi, Mohammed; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    Döner Rezerv, üretim kesintileri ve ani yük değişimleri gibi öngörülemeyen olaylara yanıt olarak sistem operatörleri tarafından kullanılan en önemli kaynaklardan biridir. Kullanılacak rezervlerin miktarını yüksek tutarak doğabilecek beklenmedik durumların sebep olduğu üretim kesintilerine karşı güç sistemini korumak mümkün olur, bu işlem karşısında yük atma işleminin uygulanma olasılığı azalır, fakat bu durumda rezerv sağlama oldukça yüksek bir maliyet ile sonuçlanır. Maliyeti düşürmek amacıyla rezerv miktarını düşük tutma durumunda ise olası kesinti ve arıza durumlarında sağlanamayan bir enerji söz konusu olur ve tüketiciler enerjisiz kalabilir. Bu iki durumu dengeleyici şekilde bir ekonomik incelemeye gerek duyulmaktadır. Geleneksel Ünite Tahsis formülasyonlarında, Döner Rezerv gereksinimini ayarlamak için en büyük çevrimiçi jeneratörün kapasitesi olarak belirleme yapan deterministik kriterler ile sabit bir rezerv miktarı benimsenir. Bu çalışmada, güç sisteminde tahsis edilmesi gerek Döner Rezerv gereksinimi, sağlanamayan enerji miktarı ve kayıp yük değeri gibi sosyo ekonomik parametreler dikkate alınarak elde edilir. Bu değer için fayda maliyet temeline dayalı bir yöntem ile hesaplama yapılmaktadır.
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    Article
    Mikro Şebeke Sistemlerine Dayalı Elektrik Piyasasında Fiyat Oluşturulma Senaryosu
    (2019) Tür, Mehmet Rıda; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    Mikro şebeke piyasasını rekabetçi bir hale getirmek için çoklu güç üreteci sağlayıcıları da düşünülebilir. Rekabetçi elektrik piyasasının asıl amacı, tüketicilere en uygun fiyatlarda enerji sağlamaktır. Bu çalışmanın temel amacı, rekabetçi elektrik piyasasında Mikro şebeke enerjisinin fiyatlandırma mekanizmasını farklı enerji kaynakları kullanılarak analiz etmek ve sunmaktır. Mikro şebekenin merkezi kontrolörü, pazardaki sistem marjinal fiyatı (SMF) ve piyasa takas fiyatının (PTF) oluşması için ihaleye katılımı gerçekleşen tüm enerji yönetim sistemi faaliyetlerinin arkasındaki ana denetimdir. Bu makalede, fiyat oluşturmada iki önemli pazar uzlaştırma tekniği- Gün öncesi ve Gün içi piyasası- kısaca tartışılmıştır. Ayrıca, PV ve rüzgar gücünün pazarlanması için kısa bir kılavuz sunularak, yenilenebilir DEK'lerin Pazar fiyatlandırmasında stratejileri dikkate alınmıştır. Mikroşebeke sistemindeki tüketiciler, öncelikleri gereği, atılabilir veya zorunlu yük olarak sınıflandırılarak bu yüklerin talep eğrisini nasıl etkilediği de tartışılmıştır. Böylece, talep ve arz yönlü teklif stratejilerine dayalı olarak fiyat teklifi konusunda bir durum çalışması incelemesi sunularak, mikro şebeke kapsamında enerji yönetimi, fiyat volatilitesi ve yük alma-yük atma talimatlarının fiyatlandırma üzerindeki etkileri de tartışılmıştır.
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    Conference Object
    Citation - Scopus: 25
    Real time active power control in smart grid
    (Institute of Electrical and Electronics Engineers Inc., 2017) Tür, Mehmet Rıda; Wadi M.; Mehmet Rtda T.U.R.; Baysal M.; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    A power balance between supply and demand is essential for reliable and stable operation of power grids. The mismatch between supply and demand causes the frequency deviations which results in malfunction of most of the electrical devices. Moreover, it affects the system stability resulting in system blackouts as that of USA, in 2003. For decades the balancing of supply and demand was based on generation side control of power systems through ahead of time generation dispatch scheduling. The smart grid is being used today to describe technologies and methods that automatically and rapidly isolate faults, restore power, monitor demand, and maintain and restore stability for more reliable electric power. Thus, in this study, a method of controlling active power (balancing demand and supply) in real time is proposed. This method is feasible in smart grid as communication and advanced information technologies are used for real time data exchange about the generation, demand, storage, market, environmental conditions, and other necessary data. These data are important in making decisions about real-time supply and demand balancing in the smart grid. Additionally, in smart grid, taking the advantage of demand response and storage systems, it is possible to balance demand and supply in realtime. The simulation is done by the DigSilent Power Factory simulation tool for verification of the proposed method. In addition to an electric network modeling part of the simulation tool, the DigSilent Programming Language (DPL) feature is used for coding the decision making program. © 2017 IEEE.
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    Article
    Citation - WoS: 0
    Citation - Scopus: 0
    Analyses of Po-Based Fuzzy Logic-Controlled Mppt and Incremental Conductance Mppt Algorithms in Pv Systems
    (Mdpi, 2025) Tür, Mehmet Rıda; Aydogmus, Zafer; Tur, Mehmet Rida; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    This manuscript aims to increase the utilization of solar energy, which is both environmentally friendly and easily accessible, to satisfy the energy needs of developing countries. In order to achieve this goal, maximum power generation should be provided from photovoltaic panels. Several maximum power point tracking (MPPT) methods are utilized for maximum power generation in photovoltaic panel systems under different weather conditions. In this paper, a novel intelligent hybrid fuzzy logic-controlled maximum power point tracking algorithm founded on the perturb and observe (PO) algorithm is presented. The proposed fuzzy logic controller algorithm and the incremental conductivity maximum power point tracking algorithm were simulated in a MATLAB(2018b version)/Simulink environment and evaluated by comparing the results. Four Sharp ND-F4Q295 solar panels, two in series and two in parallel, were used for the simulation. In this study, the voltage ripple of the proposed hybrid method was measured at 1% compared to the classical incremental conductivity method, while it was 8.6% in the IncCon method. Similarly, the current ripple was 1.08% in the proposed hybrid FLC method, while the current ripple was 9.27% in the IncCon method. It is observed that the proposed smart method stabilizes the system voltage faster, at 25 ms, in the event of sudden weather changes.
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    Conference Object
    Citation - WoS: 9
    Citation - Scopus: 24
    Reliability Evaluation in Smart Grids Via Modified Monte Carlo Simulation Method
    (IEEE, 2018) Tür, Mehmet Rıda; Baysal, Mustafa; Shobole, Abdulfetah; Tur, Mehmet Rida; Department of Electricity and Energy / Elektrik ve Enerji Bölümü
    Operation of closed-ring power distribution systems has various advantages over both meshed-operated and radially-operated systems. Closed-ring system unlike to radial system, the voltage drop is less, achieves high reliability of power on demand since the power is supplied from both ends, and reduces the voltage fluctuation in high loaded areas by using a tie power line. However, the reliability assessment of closed-ring power grids is not a trivial task. Monte Carlo Simulation (MCS) is one of the most famous methods to assess the availability of any power system. However, the most proposed methods are able to evaluate the reliability of radial and open-ring grids. This paper developed the best known MCS method to assess the reliability of closed-ring grids by integrating the total loss of continuity (TLOC) definition into the MCS. The developed method is called modified Monte Carlo Simulation (MMCS) method. The MMCS is tested by using Roy Billinton Test System (RBTS) buses 2 and 4. The obtained results confirm the correctness of the proposed method. Therefore, MMCS method is appropriate to assess the reliability of both simple and complicated closed-ring systems.