Elektrik Elektronik Mühendisliği Bölümü Yayın Koleksiyonu by Institution Author "Bayrak, Gökay"
Now showing items 1-16 of 16
-
Assesment of Power Quality Disturbances For Grid Integration of PV Power Plants
Bayrak, Gökay; Yılmaz, Alper (2019)Power Quality problems, which have become an important consumer issue in recent years, are defined as changes in voltage, current, or frequency in the power system. Among the factors affecting energy quality in grid-connected ... -
A Consistent Power Management System Design for Solar and Wind Energy-Based Residential Applications
Esen, M.; Bayrak, Gökay; Cakmak, O.; Celikdemir, S.; Ozdemir, M. (Institute of Electrical and Electronics Engineers Inc., 2019)The solar and wind energy-based systems are directly dependent on the weather conditions for power generating. Thus a reliable system that is not affected by environmental conditions is required for residential applications. ... -
A Demand Side Management Controller Configuration for Interleaved DC-DC Converters Applicable for Renewable Energy Sources
Ertekin, Davut; Bayrak, Gökay; Subramaniam, Umashankar (Wiley, 2021)In Micro-grid applications, accuracy and sensitivity of the Demand Side Management (DSM) process decrease when the load impedance changes. In this study, the impact of the DSM is analyzed and the interleaved structure is ... -
Design and Validation of an Effective Temperature Compensated-Based FBG Sensor Package for Air Vehicle Applications
Arslan, Mehmet Mücahit; Bayrak, Gökay (Institute of Electrical and Electronics Engineers Inc., 2021)The use of Fiber Bragg Gratings (FBGs) sensors is increasing day by day because of its unique properties such as lightness, immunity to EM and RF signals, minimized harness complexity, and suitability to array manufacturing. ... -
The effects on stability region of the fractional-order PI controller for one-area time-delayed load-frequency control systems
Celik, Vedat; Ozdemir, Mahmut Temel; Bayrak, Gökay (Sage Publications Ltd, 2017)One of the controllers used in load-frequency control systems is the PI controller, taking account of time delay originating from measurement and communication. In control systems, along with the use of the fractional-order ... -
Evsel güç sistemleri için akıllı bir güç yönetim sisteminin tasarımı
Bayrak, Zehra Ural; Bayrak, Gökay (2017)Bu çalışmada, evsel hibrit bir güç sistemi içindeki lokal bir yüke, sürekli güç akışının sağlanması amaçlanmıştır. Bu amaçla akıllı bir enerji yönetim sistemi geliştirilerek bir solar-hidrojen hibrit güç sistemi modellenmiştir. ... -
Fault ride-through (FRT) capability and current FRT methods in photovoltaic-based distributed generators
Bayrak, Gökay; Ghaderi, Davood; Sanjeevikumar P. (Elsevier, 2020)In this chapter, current methods used for fault ride-through (FRT) capability are examined by researching studies on the capacity of FRT in grid-connected photovoltaic (PV) systems after any failures. These methods have ... -
An improved automated PQD classification method for distributed generators with hybrid SVM-based approach using un-decimated wavelet transform
Yılmaz, Alper; Kucuker, Ahmet; Bayrak, Gökay; Ertekin, Davut; Shafie-Khah, Miadreza; Guerrero, Josep M. (Elsevier, 2021)Artificial intelligence (AI) approaches are usually coupled with the wavelet transform (WT) for feature extraction to classify the power quality disturbances (PQDs). Therefore, selecting a useful WT-based signal processing ... -
An improved step-up converter with a developed real-time fuzzy-based MPPT controller for PV-based residential applications
Bayrak, Gökay; Ghaderi, Davood (Wiley, 2019)Residential photovoltaic power plants (RPVPPs) have a wide area of utilization in PV applications. Thus, low-voltage penetration of these plants to the grid is a crucial issue for the high efficient operation of a photovoltaic ... -
Influence of a Proposed Switching Method on Reliability and Total Harmonic Distortion of the Quasi Z-Source Inverters
Hang, Liu; Subramaniam, Umashankar; Bayrak, Gökay; Moayedi, Hossein; Ghaderi, Davood; Minaz, Mehmet Recep (Ieee-Inst Electrical Electronics Engineers Inc, 2020)An Improved Sinusoidal Pulse Width Modulation (ISPWM) technique carried out to obtain pure sine waves for voltage and current signals in Quasi Z-Sourc Inverters (QZSIs) in the load side is given in this study. This switching ... -
A low-cost power management system design for residential hydrogen & solar energy based power plants
Bayrak, Zehra Ural; Bayrak, Gökay; Ozdemir, Mahmut Temel; Gencoglu, Muhsin Tunay; Cebeci, Mehmet (Pergamon-Elsevier Science Ltd, 2016)This study focuses on developing a low-cost power management system for residential solar hydrogen power plants. The proposed power management system is designed as a hybrid control system consisting of a microcontroller ... -
A new signal processing-based islanding detection method using pyramidal algorithm with undecimated wavelet transform for distributed generators of hydrogen energy
Yılmaz, Alper; Bayrak, Gökay (PERGAMON-ELSEVIER SCIENCE LTD, 2022)Machine learning-based fault detection methods are frequently combined with wavelet transform (WT) to detect an unintentional islanding condition. In contrast to this condition, these methods have long detection and ... -
A real-time energy management system design for a developed pv-based distributed generator considering the grid code requirements in Turkey
Bayrak, Gökay; Ertekin, Davut; Alhelou H.H.; Siano P. (MDPI, 2021)Each country must determine the Grid Code conditions and apply these criteria to integrate distributed generation (DG) systems into the existing electricity grid and to ensure a stable power system. Thus, experimental ... -
Signal processing-based automated fault detection methods for smart grids
Bayrak, Gökay; Yılmaz, Alper (Springer Science and Business Media Deutschland GmbH, 2020)Automated fault detection methods (AFDMs) are required to provide a more reliable and stable power system operation and protection. The faults in distributed generators (DGs) connected to the grid must be cleared on time ... -
A Smart Energy Management System Design for Residential Power Plants
Bayrak, Zehra Ural; Bayrak, Gökay (Gazi Univ, 2017)In this study, a solar-hydrogen hybrid power generation system is modeled by developing a smart energy management system (EMS) to sustain a continuous power flow for a local load in a constituted residential hybrid power ... -
Wavelet transform-based fault detection method for hydrogen energy-based distributed generators
Bayrak, Gökay (Pergamon-Elsevier Science Ltd, 2018)Integration of hydrogen energy-based distributed generators (HEBDGs) to the main grid causes some power quality (PQ) problems. The conventional fault detection methods fail to detect some PQ disturbances, thus intelligent ...
