An Application of Facility Location Problem for Electricity Supply Cost Minimization at the Stage of Preliminary High Voltage Network Development Planning

Published by Piotr KAPLER, Warsaw University of Technology, Faculty of Electrical Engineering, Power Engineering Institute Abstract. The article deals with minimizing the costs of electricity supply at the preliminary network planning stage. It presents selected information on costs in power engineering. The facility location problem and Mixed-Integer Linear Programming has been also described. A computationalContinue reading “An Application of Facility Location Problem for Electricity Supply Cost Minimization at the Stage of Preliminary High Voltage Network Development Planning”

Analysis of Transient Waveforms in a Power System at Asymmetrical Short-Circuits

Published by Piotr PRUSKI, Stefan PASZEK, Silesian University of Technology Abstract. In the paper, there is presented the analysis of disturbance waveforms of a synchronous generator operating in a single-machine power system consisting of a generating unit connected by a high-voltage power line to a bus. There are considered disturbances in the form of symmetricalContinue reading “Analysis of Transient Waveforms in a Power System at Asymmetrical Short-Circuits”

Determination of Electrical and Efficiency Parameters of Air Cooling of Low-Temperature PEM Fuel Cell Stack with Power of 5kW

Published by Andrzej RAŹNIAK1, Magdalena DUDEK1, Tomasz SIWEK1, Piotr DUDEK2, Wojciech KALAWA1, AGH – Akademia Górniczo – Hutnicza im. Stanisława Staszica w Krakowie, Wydział Energetyki i Paliw (1) AGH – Akademia Górniczo – Hutnicza im. Stanisława Staszica w Krakowie, Wydział Inżynierii Mechanicznej i Robotyki (2) Abstract: The possibilities of using low-temperature hydrogen-oxygen fuel cells withContinue reading “Determination of Electrical and Efficiency Parameters of Air Cooling of Low-Temperature PEM Fuel Cell Stack with Power of 5kW”

Wind Farms in the Process of Voltage Regulation in the Power System

Published by Ľubomír BEŇA1, Paweł KUT2,Rzeszow University of Technology, Faculty of Electrical and Computer Engineering (1)Rzeszow University of Technology, Faculty of Civil and Environmental Engineering and Architecture (2) Abstract. The large number of wind farms in the power system makes it possible to use them in the process of voltage regulation in the nodes toContinue reading “Wind Farms in the Process of Voltage Regulation in the Power System”

Impacts of Fault Diagnosis Schemes on Distribution System Reliability

Published by Shahram Kazemi, Member, IEEE, Matti Lehtonen, and Mahmud Fotuhi-Firuzabad, Senior Member, IEEE.IEEE TRANSACTIONS ON SMART GRID, VOL. 3, NO. 2, JUNE 2012 Abstract—Design and development of fault diagnosis schemes (FDS) for electric power distribution systems are major steps in realizing the self-healing function of a smart distribution grid. The application of the FDSContinue reading “Impacts of Fault Diagnosis Schemes on Distribution System Reliability”

Practical Experiences and Mitigation Methods of Harmonics in Wind Power Plants

Published by Babak Badrzadeh, Senior Member, IEEE, and Manoj Gupta IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, VOL. 49, NO. 5, SEPTEMBER/OCTOBER 2013 Abstract—This paper discusses practical experiences and mitigation methods of harmonics in wind power plants. Traces obtained from harmonic measurements of actual wind turbines are presented for the type 3 and type 4 turbines, andContinue reading “Practical Experiences and Mitigation Methods of Harmonics in Wind Power Plants”

Analysis of Interactions in the Circuit of the Power System with Nonlinear Load and LC Passive Filter

Published by Mirosław WCIŚLIK, Paweł STRZĄBAŁA,Kielce University of Technology, Department of Electric Engineering, Automatic Control and Computer Science Abstract. The paper deals with an AC circuit containing the nonlinear load and a LC passive filter. Nonlinear load voltage at the power terminals proportional to the signum function of current is considered. The current-voltage characteristic ofContinue reading “Analysis of Interactions in the Circuit of the Power System with Nonlinear Load and LC Passive Filter”

Impact of EV Charging Stations Integration on Power System Performance

Published by Wisam Mohamed Najem1, Shaker M. Khudher2, Omar Sh. Alyozbaky3, Department of Electrical Engineering, College of Engineering, University of Mosul, Iraq (1,2,3) ORCID: 1.0000‐0002‐9611‐6416; 2.0000‐0003‐3158‐7900; 3.0000‐0002‐9735‐1469 Abstract. Electric vehicles partner with clean energy to prevent carbon emissions attributed to internal combustion engine-powered traditional vehicles, gas-based power plants, and other environmental pollution sources. At theContinue reading “Impact of EV Charging Stations Integration on Power System Performance”

Laboratory Research of Non-Overvoltage Transistors Control Method in AC Voltage PWM Controller

Published by Andrzej KANDYBA1, Marian HYLA2, Igor KURYTNIK3, The Polish Engineers and Technicians Association SIMP Group Silesia (1), Silesian University of Technology, Faculty of Electrical Engineering (2), State School of Higher Education in Oświęcim (3) Abstract. Method of controlling transistors in AC voltage PWM controller aimed at eliminating commutation overvoltages is presented in the paper.Continue reading “Laboratory Research of Non-Overvoltage Transistors Control Method in AC Voltage PWM Controller”

Accurate Fault Detection and Location in Power Transmission Line Using Concurrent Neuro Fuzzy Technique

Published by Patrick S. Pouabe Eboule, & Ali N. Hasan, University of Johannesburg, South Africa Abstract. In this paper a new approach for the detecting and locating different kinds of faults on power transmission lines using the concurrent neurofuzzy technique (CNF) is introduced. This approach relies on the advantages of combining fuzzy logic (FL) andContinue reading “Accurate Fault Detection and Location in Power Transmission Line Using Concurrent Neuro Fuzzy Technique”