Browsing by Author "Wadi, M."

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Citation - Scopus: 6
Calculation Of Optimal Value Of Spinning Reserve Requirement For Unit Commitment İn Power Systems By Considering Lost Parameters;
(Gazi Universitesi Muhendislik-Mimarlik, 2019) Tür, M.R.; Ay, S.; Shobole, A.; Wadi, M.
Spinning Reserve is one of the most important sources used by system operators in response to unforeseen events such as generation discontinuities and sudden load changes. It is possible to maintain the power system against production interruptions caused by unforeseen circumstances, which can be caused by keeping the amount of reserves to be used high, in case of this process the possibility of applying the load shed decreases, but in this case reserve supply results in a very high cost. If the amount of reserves is kept low in order to reduce the cost, there will be an energy that can not be provided in the case of possible interruptions and failures, and the consumers may be left without electricity. There is a need for an economical review of these two situations in a balanced way. In this study, the requirements of the Spinning Reserve needed in the power system are determined by taking into consideration socio-economic parameters such as the amount of expected energy not supplied and value of lost load. These parameters, which are added to the cost function, are calculated for the first time in our national power system by a new method. Macroeconomic analysis has been supported for this value. Thus, considering the calculated socioeconomic parameters, a program based on benefit/cost is used to calculate the economic cost value of the reserve for the power system model. © 2019 Gazi Universitesi Muhendislik-Mimarlik. All rights reserved.
Citation - Scopus: 16
Feasibility Study of Wind Energy Potential in Turkey: Case Study of Catalca District in Istanbul
(Institute of Electrical and Electronics Engineers Inc., 2019) Wadi, M.; Kekezoglu, B.; Baysal, M.; Tur, M.R.; Shobole, A.
This paper presents a technical evaluation of the wind potential for the present and the future integration challenges into the Turkey power network. The first part evaluates the feasibility of sites, installments, operation and maintenance. The second part investigates the wind energy integration in the Turkey power network. To determine the potential availability of wind energy in Turkey, feasibility evaluation based on the hourly measured wind speed data for the three years 2008-2010 at 30 m height in Çatalca district is done. These data were obtained from the national meteorology station in Istanbul - the Republic of Turkey are analyzed in order to evaluate the feasibility of wind power potential and to assure supreme assortment of wind turbines installing for the area of interest. Furthermore, the data are extrapolated and analyzed at 60 m and 80 m regarding the variability of the roughness factor. Weibull bi-parameter probability function is used to approximate monthly and annual wind potential and power density based on three calculation methods, namely, the approximated, the graphical and the energy pattern factor methods. The annual mean wind power densities were to be 400.31, 540.08 and 611.02 W/m2 for 30, 60, and 80 m heights respectively. Simulation results prove that the analyzed area is an appropriate place for constructing large-scale wind farms. Key words: wind energy, wind speed, wind turbines, feasibility study. © 2019 IEEE.