Elektrik - Elektronik Mühendisliği Bölümü Koleksiyonu by Institution Author "Onen, Ahmet"
Now showing items 1-18 of 18
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Artificial Intelligence Based Intrusion Detection System for IEC 61850 Sampled Values Under Symmetric and Asymmetric Faults
Ustun, Taha Selim; Hussain, S. M. Suhail; Yavuz, Levent; Onen, Ahmet (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC445 HOES LANE, PISCATAWAY, NJ 08855-4141, 2021)Modern power systems require increased connectivity to implement novel coordination and control schemes. Wide-spread use of information technology in smartgrid domain is an outcome of this need. IEC 61850-based communication ... -
Artificial neural networks based harmonics estimation for real university microgrids using hourly solar irradiation and temperature data
Yarar, Nurcan; Yagci, Mustafa; Bahceci, Serkan; Onen, Ahmet; Ustun, Taha Selim (ELSEVIER, 2023)The need for renewable energy is increasing day by day due to different factors such as increasing energy demand, environmental considerations as well as the will to decrease the share of fossil fuel-based generation. ... -
Configurable, Hierarchical, Model-based, Scheduling Control with photovoltaic generators in power distribution circuits
Jung, Jaesung; Onen, Ahmet; Russell, Kevin; Broadwater, Robert P.; Steffel, Steve; Dinkel, Alex (PERGAMON-ELSEVIER SCIENCE LTD, 2015)Existing distribution systems and their associated controls have been around for decades. Most distribution circuits have capacity to accommodate some level of PV generation, but the question is how much can they handle ... -
Efficiency and Cost Evaluation of Distribution Systems based on Multiple Time Points
Onen, Ahmet (IEEE, 2015)Phase balancing can offer planning engineers a low-cost means of reducing operating costs, improving efficiency in electric power systems. In general, utilities make phase balancing based on peak load by thinking that is ... -
Empirical Wavelet Transform Based Method for Identification and Analysis of Sub-synchronous Oscillation Modes Using PMU Data
Philip, Joice G.; Jung, Jaesung; Onen, Ahmet (IEEE-SGEPRI(State Grid Electric Power Research Institute), 2024)This paper proposes an empirical wavelet transform (EWT) based method for identification and analysis of sub-synchronous oscillation (SSO) modes in the power system using phasor measurement unit (PMU) data. The phasors ... -
Energy Saving of Conservation Voltage Reduction Based on Load-Voltage Dependency
Onen, Ahmet (MDPI AG, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2016)Reducing voltage to reduce energy consumption, referred to as conservation voltage reduction (CVR), can lead to energy savings. Calculating the effects of reducing voltage requires accurate load models. This paper investigates ... -
Enhancing Cybersecurity in Smart Grids: False Data Injection and Its Mitigation
Unsal, Derya Betul; Ustun, Taha Selim; Hussain, S. M. Suhail; Onen, Ahmet (MDPIST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2021)Integration of information technologies with power systems has unlocked unprecedented opportunities in optimization and control fields. Increased data collection and monitoring enable control systems to have a better ... -
Enhancing smart grid with microgrids: Challenges and opportunities
Yoldas, Yeliz; Onen, Ahmet; Muyeen, S. M.; Vasilakos, Athanasios V.; Alan, Irfan (PERGAMON-ELSEVIER SCIENCE LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2017)The modern electric power systems are going through a revolutionary change because of increasing demand of electric power worldwide, developing political pressure and public awareness of reducing carbon emission, incorporating ... -
A hybrid agent-based secondary control for microgrids with increased fault-tolerance needs
Bintoudi, Angelina D.; Zyglakis, Lampros; Apostolos C. Tsolakis; Ioannidis, Dimosthenis; Al-Agtash S.; Martinez-Ramos, Jose L.; Onen, Ahmet; Azzopardi, Brian; Hadjidemetriou, Lenos; Martensen, Nis; Mounir, Khiat; Borg, Nicholas; Fragale, Nunziatina; Demoulias, Charis; Tzovaras, Dimitrios (Institution of Engineering and Technology, 2018)This paper proposes a hybrid secondary control architecture for microgrids with AC-coupled droop-controlled units, based on both centralised and distributed control principles. The proposed secondary control is based on a ... -
Is the Smart Grid A Good Investment?
Onen, Ahmet; Broadwater, Robert (IEEE, 2015)Electric distribution design and operational goals include meeting customer reliability requirements at the lowest cost. Smart Grid investments have the potential for helping meet these goals, and this paper presents a ... -
Local steady-state and quasi steady-state impact studies of high photovoltaic generation penetration in power distribution circuits
Jung, Jaesung; Onen, Ahmet; Russell, Kevin; Broadwater, Robert P. (ELSEVIER, 2015)Both steady-state and quasi steady-state impact studies in high Photovoltaic (PV) penetration distribution circuits are presented. The steady-state analysis evaluates impacts on the distribution circuit by comparing ... -
Machine Learning-Based Intrusion Detection for Achieving Cybersecurity in Smart Grids Using IEC 61850 GOOSE Messages
Ustun, Taha Selim; Hussain, S. M. Suhail; Ulutas, Ahsen; Onen, Ahmet; Roomi, Muhammad M.; Mashima, Daisuke (MDPIST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2021)Increased connectivity is required to implement novel coordination and control schemes. IEC 61850-based communication solutions have become popular due to many reasons-object-oriented modeling capability, interoperable ... -
Model-centric Distribution Automation: Capacity, Reliability, and Efficiency
Onen, Ahmet; Jung, Jaesung; Dilek, Murat; Cheng, Danling; Broadwater, Robert P.; Scirbona, Charlie; Cocks, George; Hamilton, Stephanie; Wang, Xiaoyu (TAYLOR & FRANCIS INC530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106, 2016)A series of analyses along with field validations that evaluate efficiency, reliability, and capacity improvements of model-centric distribution automation are presented. With model-centric distribution automation, the ... -
Network cost allocation methods for pay-as-bid peer-to-peer energy trading: A comparison
Noorfatima N.; Choi, Yunjeong; Onen, Ahmet; Jung, Jaesung (ELSEVIER, 2022)In pay-as-bid peer-to-peer (P2P) energy trading, various types of prosumers and consumers can participate, regardless of their offers. Thus, various types of participants impact the network differently. However, very few ... -
Novel Hybrid Design for Microgrid Control
Bintoudi, Angelina D.; Zyglakis, Lampros; Apostolos, Tsolakis; Ioannidis, Dimosthenis; Al-Agtash, Salem; Martinez-Ramos, Jose L.; Onen, Ahmet; Azzopardi, Brian; Hadjidemetriou, Lenos; Martensen, Nis; Demoulias, Charis; Tzovaras, Dimitrios (IEEE345 E 47TH ST, NEW YORK, NY 10017 USA, 2017)This paper proposes a new hybrid control system for an AC microgrid. The system uses both centralised and decentralised strategies to optimize the microgrid energy control while addressing the challenges introduced by ... -
Optimal Location and Sizing of Electric Bus Battery Swapping Station in Microgrid Systems by Considering Revenue Maximization
Kocer, Mustafa Cagatay; Onen, Ahmet; Jung, Jaesung; Gultekin, Hakan; Albayrak, Sahin (Institute of Electrical and Electronics Engineers Inc.(IEEE), 2023)The radical increase in the popularity of electric vehicles (EVs) has in turn increased the number of associated problems. Long waiting times at charging stations are a major barrier to the widespread adoption of EVs. ... -
PSO Supported Ensemble Algorithm for Bad Data Detection Against Intelligent Hacking Algorithm
Yavuz, Levent; Soran, Ahmet; Onen, Ahmet; Muyeen, S. M. (FRONTIERS MEDIA SAAVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE CH-1015, SWITZERLAND, 2021)Power system cybersecurity has recently become important due to cyber-attacks. Due to advanced computer science and machine learning (ML) applications being used by malicious attackers, cybersecurity is becoming crucial ... -
Rooftop Solar PV Penetration Impacts on Distribution Network and Further Growth Factors-A Comprehensive Review
Uzum, Busra; Onen, Ahmet; Hasanien, Hany M.; Muyeen, S. M. (MDPIST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2021)In order to meet the electricity needs of domestic or commercial buildings, solar energy is more attractive than other renewable energy sources in terms of its simplicity of installation, less dependence on the field and ...