Teknolojik gelişmelere bağlı olarak elektrik enerjisine olan talep hızla artmaktadır. Buna karşın... more Teknolojik gelişmelere bağlı olarak elektrik enerjisine olan talep hızla artmaktadır. Buna karşın gerek fosil yakıtların tükenmeye yüz tutması, gerekse mevcut üretim sistemlerinin çevresel etkileri, yenilenebilir enerji kavramını çok daha önemli bir noktaya taşımıştır. Ülkemizde de yenilenebilir enerji kaynaklarının kullanımının desteklenmesi ve teşvik edilmesi adına çeşitli yasal düzenlemeler yapılmaktadır. Bu çalışmada, 21 Temmuz 2011 tarihinde kabul edilen “Elektrik Piyasasında Lisanssız Elektrik Üretimine İlişkin Yönetmelik” çerçevesinde yenilenebilir enerji kaynaklarından 500 kW’a kadar lisanssız enerji üretimi ile ilgili yasal düzenleme incelenmiştir. Buna ek olarak 500kW’lık bir rüzgâr türbinine ait fizibilite analizi gerçekleştirilmiştir. Analiz sonucunda elde edilen sonuçlar bu çalışma ile ortaya konmuştur.
Increase of demand for electrical energy and the recent energy crisis have been necessitated the ... more Increase of demand for electrical energy and the recent energy crisis have been necessitated the optimum use of energy in all fields, which proves the importance of developing the new energy usage strategies for efficiency. The studies show the importance of lighting design parameters such as indoor reflection factors on the quality of the lighting. In this study, the effect of wall, ceiling and base reflection factors as well as ceiling height on indoor illumination are studied for a room of 5×5×2,8 m. It is clear from the result that the color and the furnishing of room is very important for both energy efficiency and lighting quality.
2014 International Conference on Renewable Energy Research and Application (ICRERA), 2014
The objective of this study is to investigate storage commitment and storage placement problem fo... more The objective of this study is to investigate storage commitment and storage placement problem for island system that has intermittency of wind power generation in a diurnal wind pattern. This objective will be achieved through minimization of cost while conducting Optimal Power Flow (OPF) analysis . In addition to the methodology introduced by Fu et al. (2006) and , impact of storage will be implemented in this model to generation and demand to analysis the dispatching electric storage systems based on different intermittent generation scenarios for an island system while addressing optimal placement.
Energy has always been an important factor for socio-economic development of humans. Most of the ... more Energy has always been an important factor for socio-economic development of humans. Most of the energy is generated from fossil fuels in the world. Nevertheless, environmental aspects and depleting of fossil fuels causes increase of renewable energy utilization. The produced energy from renewable energy resources are transferred to grid or used in stand-alone systems. As energy generation depends on environmental conditions, efficiency and energy potential of renewable energy systems changes according to region of installation. In this study, introduction of the solar-wind-battery hybrid system constructed in Davutpasa Campus, YÕldÕz Technical University, and future work for the system are presented.
Every passing day wind energy becomes more indispensable part of power systems. So this increasin... more Every passing day wind energy becomes more indispensable part of power systems. So this increasing require the analysis of wind turbine impact on the grid. In this study, possible effect of wind turbine which is connected to Turkish distribution grid are analyzed. Distribution grid system is modeled with NEPLAN power system analysis simulator program. Finally, results are presented.
Nowadays, photovoltaic (PV) systems are widely used because of environmental concerns, electrical... more Nowadays, photovoltaic (PV) systems are widely used because of environmental concerns, electrical energy demand, cost of electricity generation, minimum service cost and support of governments on renewable energy conversion systems. The main drawback of PV systems is energy conversion efficiency. The two parameters that PV system output power depends on are solar radiation and temperature. Therefore, charge controllers are utilized to increase system efficiency. In this study, performance of 320 W solar panel groups which are controlled by two different charge controllers are investigated. The influence of charge controllers on system performance is presented with the analysis of obtained data. Experimental study is realized on a stand-alone energy system that is located in Davutpasa Campus of Yildiz Technical University.
Increase of demand for electrical energy and the recent energy crisis have been necessitated the ... more Increase of demand for electrical energy and the recent energy crisis have been necessitated the optimum use of energy in all fields, which proves the importance of developing the new energy usage strategies for efficiency. The studies show the importance of lighting design parameters such as indoor reflection factors on the quality of the lighting. In this study, the effect of wall, ceiling and base reflection factors as well as ceiling height on indoor illumination are studied for a room of 5×5×2.8 m. It is clear from the result that the color and the furnishing of room are very important for both energy efficiency and lighting quality.
The importance of renewable energy sources has increased rapidly due to run out of fossil fuels a... more The importance of renewable energy sources has increased rapidly due to run out of fossil fuels and environmental effects of conventional energy production systems. As one of the renewable energy sources, wind energy has considered to be a leading alternative energy source by reason of vast energy potential of wind. Due to random characteristics of wind speed, electric generation reliability of wind energy system is affected considerably both in stand-alone and grid connected configurations. The disadvantage could be minimized by making use of the additional wind energy potential. For this purpose, there are three basic methods i.e. increasing the hub height, rotor diameter and generator rated power, which can be utilized. In this study, reliability indices are calculated based on the measured field wind and load data for Bandırma, Turkey. As a result, the effects of hub heights for different types of wind turbines on reliability are examined. Eventually, the most appropriate options for the Bandırma region are presented.
The aim of this work is the experimental study of the electric field distribution around a line m... more The aim of this work is the experimental study of the electric field distribution around a line model in high voltage laboratory. Thereby study and knowledge of the electric field around a line at different voltage levels can be purposive for safety, settlements and design procedures of power lines. The measurements were carried out by using HOLADAY/HI-3604 electromagnetic field survey meter. Additionally, to compare the results obtained from the measurements, Finite Element Method Magnetics (FEMM) packaged program is used. The results show that the electric field intensity around a distribution line is changing with the distance in any direction. The electric field under and also near the distribution line is influenced with the increasing voltage levels.
In recent years, sustainable and clean renewable energy resources are widely used instead of foss... more In recent years, sustainable and clean renewable energy resources are widely used instead of fossil fuel energy resources in electrical energy generation systems. Especially, wind and solar energy conversion systems are utilized together in stand-alone systems. In this study, reliability analysis of a hybrid system installed in Davutpasa Campus of Yildiz Technical University is investigated. The system includes a wind turbine, PV panels, a hybrid charge regulator, a MPPT charge controller, an inverter, battery group and loads. Reliability indexes are calculated for analyzed system. The obtained results are examined and presented in this paper.
Energy has always been an important factor for socio-economic development of humans. Most of the ... more Energy has always been an important factor for socio-economic development of humans. Most of the energy is generated from fossil fuels in the world. Nevertheless, environmental aspects and depleting of fossil fuels causes increase of renewable energy utilization. The produced energy from renewable energy resources are transferred to grid or used in stand-alone systems. As energy generation depends on environmental conditions, efficiency and energy potential of renewable energy systems changes according to region of installation. In this study, introduction of the solar-wind-battery hybrid system constructed in Davutpasa Campus, YÕldÕz Technical University, and future work for the system are presented.
In this study, wind energy potential of Çatalca in Marmara region is analyzed by using hourly ave... more In this study, wind energy potential of Çatalca in Marmara region is analyzed by using hourly average wind speed data which has measured 10 m height from ground level in 2010. The wind speed distribution is modeled by using Weibull distribution. Weibull parameters, shape and scale parameters, are calculated by using two different methods which are graphical method and approximated method. After the calculation of Weibull parameters three wind turbines are selected from different manufacturers. Capacity factor of turbines are determined and also economic analysis is added to this study for choosing the most economical and efficient wind turbine.
Teknolojik gelişmelere bağlı olarak elektrik enerjisine olan talep hızla artmaktadır. Buna karşın... more Teknolojik gelişmelere bağlı olarak elektrik enerjisine olan talep hızla artmaktadır. Buna karşın gerek fosil yakıtların tükenmeye yüz tutması, gerekse mevcut üretim sistemlerinin çevresel etkileri, yenilenebilir enerji kavramını çok daha önemli bir noktaya taşımıştır. Ülkemizde de yenilenebilir enerji kaynaklarının kullanımının desteklenmesi ve teşvik edilmesi adına çeşitli yasal düzenlemeler yapılmaktadır. Bu çalışmada, 21 Temmuz 2011 tarihinde kabul edilen “Elektrik Piyasasında Lisanssız Elektrik Üretimine İlişkin Yönetmelik” çerçevesinde yenilenebilir enerji kaynaklarından 500 kW’a kadar lisanssız enerji üretimi ile ilgili yasal düzenleme incelenmiştir. Buna ek olarak 500kW’lık bir rüzgâr türbinine ait fizibilite analizi gerçekleştirilmiştir. Analiz sonucunda elde edilen sonuçlar bu çalışma ile ortaya konmuştur.
Increase of demand for electrical energy and the recent energy crisis have been necessitated the ... more Increase of demand for electrical energy and the recent energy crisis have been necessitated the optimum use of energy in all fields, which proves the importance of developing the new energy usage strategies for efficiency. The studies show the importance of lighting design parameters such as indoor reflection factors on the quality of the lighting. In this study, the effect of wall, ceiling and base reflection factors as well as ceiling height on indoor illumination are studied for a room of 5×5×2,8 m. It is clear from the result that the color and the furnishing of room is very important for both energy efficiency and lighting quality.
2014 International Conference on Renewable Energy Research and Application (ICRERA), 2014
The objective of this study is to investigate storage commitment and storage placement problem fo... more The objective of this study is to investigate storage commitment and storage placement problem for island system that has intermittency of wind power generation in a diurnal wind pattern. This objective will be achieved through minimization of cost while conducting Optimal Power Flow (OPF) analysis . In addition to the methodology introduced by Fu et al. (2006) and , impact of storage will be implemented in this model to generation and demand to analysis the dispatching electric storage systems based on different intermittent generation scenarios for an island system while addressing optimal placement.
Energy has always been an important factor for socio-economic development of humans. Most of the ... more Energy has always been an important factor for socio-economic development of humans. Most of the energy is generated from fossil fuels in the world. Nevertheless, environmental aspects and depleting of fossil fuels causes increase of renewable energy utilization. The produced energy from renewable energy resources are transferred to grid or used in stand-alone systems. As energy generation depends on environmental conditions, efficiency and energy potential of renewable energy systems changes according to region of installation. In this study, introduction of the solar-wind-battery hybrid system constructed in Davutpasa Campus, YÕldÕz Technical University, and future work for the system are presented.
Every passing day wind energy becomes more indispensable part of power systems. So this increasin... more Every passing day wind energy becomes more indispensable part of power systems. So this increasing require the analysis of wind turbine impact on the grid. In this study, possible effect of wind turbine which is connected to Turkish distribution grid are analyzed. Distribution grid system is modeled with NEPLAN power system analysis simulator program. Finally, results are presented.
Nowadays, photovoltaic (PV) systems are widely used because of environmental concerns, electrical... more Nowadays, photovoltaic (PV) systems are widely used because of environmental concerns, electrical energy demand, cost of electricity generation, minimum service cost and support of governments on renewable energy conversion systems. The main drawback of PV systems is energy conversion efficiency. The two parameters that PV system output power depends on are solar radiation and temperature. Therefore, charge controllers are utilized to increase system efficiency. In this study, performance of 320 W solar panel groups which are controlled by two different charge controllers are investigated. The influence of charge controllers on system performance is presented with the analysis of obtained data. Experimental study is realized on a stand-alone energy system that is located in Davutpasa Campus of Yildiz Technical University.
Increase of demand for electrical energy and the recent energy crisis have been necessitated the ... more Increase of demand for electrical energy and the recent energy crisis have been necessitated the optimum use of energy in all fields, which proves the importance of developing the new energy usage strategies for efficiency. The studies show the importance of lighting design parameters such as indoor reflection factors on the quality of the lighting. In this study, the effect of wall, ceiling and base reflection factors as well as ceiling height on indoor illumination are studied for a room of 5×5×2.8 m. It is clear from the result that the color and the furnishing of room are very important for both energy efficiency and lighting quality.
The importance of renewable energy sources has increased rapidly due to run out of fossil fuels a... more The importance of renewable energy sources has increased rapidly due to run out of fossil fuels and environmental effects of conventional energy production systems. As one of the renewable energy sources, wind energy has considered to be a leading alternative energy source by reason of vast energy potential of wind. Due to random characteristics of wind speed, electric generation reliability of wind energy system is affected considerably both in stand-alone and grid connected configurations. The disadvantage could be minimized by making use of the additional wind energy potential. For this purpose, there are three basic methods i.e. increasing the hub height, rotor diameter and generator rated power, which can be utilized. In this study, reliability indices are calculated based on the measured field wind and load data for Bandırma, Turkey. As a result, the effects of hub heights for different types of wind turbines on reliability are examined. Eventually, the most appropriate options for the Bandırma region are presented.
The aim of this work is the experimental study of the electric field distribution around a line m... more The aim of this work is the experimental study of the electric field distribution around a line model in high voltage laboratory. Thereby study and knowledge of the electric field around a line at different voltage levels can be purposive for safety, settlements and design procedures of power lines. The measurements were carried out by using HOLADAY/HI-3604 electromagnetic field survey meter. Additionally, to compare the results obtained from the measurements, Finite Element Method Magnetics (FEMM) packaged program is used. The results show that the electric field intensity around a distribution line is changing with the distance in any direction. The electric field under and also near the distribution line is influenced with the increasing voltage levels.
In recent years, sustainable and clean renewable energy resources are widely used instead of foss... more In recent years, sustainable and clean renewable energy resources are widely used instead of fossil fuel energy resources in electrical energy generation systems. Especially, wind and solar energy conversion systems are utilized together in stand-alone systems. In this study, reliability analysis of a hybrid system installed in Davutpasa Campus of Yildiz Technical University is investigated. The system includes a wind turbine, PV panels, a hybrid charge regulator, a MPPT charge controller, an inverter, battery group and loads. Reliability indexes are calculated for analyzed system. The obtained results are examined and presented in this paper.
Energy has always been an important factor for socio-economic development of humans. Most of the ... more Energy has always been an important factor for socio-economic development of humans. Most of the energy is generated from fossil fuels in the world. Nevertheless, environmental aspects and depleting of fossil fuels causes increase of renewable energy utilization. The produced energy from renewable energy resources are transferred to grid or used in stand-alone systems. As energy generation depends on environmental conditions, efficiency and energy potential of renewable energy systems changes according to region of installation. In this study, introduction of the solar-wind-battery hybrid system constructed in Davutpasa Campus, YÕldÕz Technical University, and future work for the system are presented.
In this study, wind energy potential of Çatalca in Marmara region is analyzed by using hourly ave... more In this study, wind energy potential of Çatalca in Marmara region is analyzed by using hourly average wind speed data which has measured 10 m height from ground level in 2010. The wind speed distribution is modeled by using Weibull distribution. Weibull parameters, shape and scale parameters, are calculated by using two different methods which are graphical method and approximated method. After the calculation of Weibull parameters three wind turbines are selected from different manufacturers. Capacity factor of turbines are determined and also economic analysis is added to this study for choosing the most economical and efficient wind turbine.
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