Published by Łukasz GRĄKOWSKI, Andrzej Ł. CHOJNACKI, Katarzyna GĘBCZYK, Kornelia BANASIK Kielce University of Technology, Faculty of Electrical Engineering, Automatic Control and Computer Science Abstract: The paper present a thorough analysis of seasonality and causes of failures of low voltage overhead lines. Such lines are mainly characteristic of rural areas. An average duration of failures,Continue reading “Statistical Analysis and Modeling of the Reliability of Overhead Low Voltage Lines”
Category Archives: Case Studies
Switching Strategies of Single Stage Battery based Microgrid
Published by Sudhakiran Ponnuru1, Ashok Kumar R1, Jothi Swaroopan NM2, Annamalai University (1), RMK Engineering College (2), India ORCID: 1. 0000-0002-5345-5709, 2. 0000-0001-6994-7591, 3. 0000-0001-7671-5190 Abstract. Renewable sources creates new opportunity when it is integrated with the microgrid increasing the energy efficiency of the system. This paper focuses on the adaptive control strategies which utilizesContinue reading “Switching Strategies of Single Stage Battery based Microgrid”
Differential Relay Protection for Prototype Transformer
Published by Bashar M. SALIH, Mohammed A. IBRAHIM, Ali N. HAMOODI, Northern Technical University Abstract. This paper represents the differential protection relay that used to protect the prototype-Terco power transformer. Matlab/Simulink is used to simulate the protection system. The power differential protection algorithm has been simulated and tested on a 2KVA power transformer under differentContinue reading “Differential Relay Protection for Prototype Transformer”
Residual Current Devices in Installations with PV Energy Sources
Published by Stanislaw CZAPP, Gdańsk University of Technology. ORCID: 0000-0002-1341-8276 Abstract. The paper presents the principles of residual current devices (RCDs) application in photovoltaic (PV) installations. Provisions of standards in this regard are commented on, in particular, attention is drawn to the lack of obligation to use of RCDs in PV installations. The issue ofContinue reading “Residual Current Devices in Installations with PV Energy Sources”
Short-Term Forecasting of Photovoltaic Power Generation
Published by Roman KORAB1, Tomasz KANDZIA2, Tomasz NACZYŃSKI3, Silesian University of Technology, Department of Power Systems and Control. ORCID: 1. 0000-0002-6844-1342; 3. 0000-0001-6271-0516 Abstract. In this article, a method for short-term forecasting of photovoltaic (PV) generation was proposed. The proposed method belongs to the group of physical methods and is based on numerical weather forecasts.Continue reading “Short-Term Forecasting of Photovoltaic Power Generation”
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”
Analysis of Faults on High Voltage Direct Current HVDC Transmissions System
Published by Alya Hamid AL-RIFAIE1, Sanabel Muhson ALHAJ ZBER2, Noha Abed-AL-Bary AL-JAWADY3, Ahmed A. Abdullah AL-KARAKCHI4, Northern Technical University, Iraq. ORCID: 1. 0000-0002-7978-2193; 2. 0000-0003-0232-9064; 3. 0000-0002-0275-2527; 4. 0000-0003-1151-3015 Abstract. High Voltage Direct Current (HVDC) Transmission with Voltage Source Converters (VSC) is gaining substantial interest from several utilities for various applications as compared to traditionalContinue reading “Analysis of Faults on High Voltage Direct Current HVDC Transmissions System”
Physical Model of Power Circuit of Three-Phase Electric Arc Furnace
Published by Mirosław WCIŚLIK, Paweł STRZĄBAŁA, Kielce University of Technology, Department of Electric Engineering, Automatic Control and Computer Science Abstract. The paper deals a model of the circuit arc furnace designed for electrotechnology or fundamentals of electrical engineering laboratory. This model works at low currents, without high temperature components. In this way, the cooling andContinue reading “Physical Model of Power Circuit of Three-Phase Electric Arc Furnace”
Inter-Turns Short Circuits in Stator Winding of Squirrel-Cage Induction Motor
Published by Maciej ANTAL, Wrocław University of Science and Technology, Department of Electrical Machines, Drives and Measurements Abstract. A physical model of a squirrel-cage induction drive, allowing to stimulate coil short circuits in the front part of the motor, was used to investigate the phenomena accompanying short circuits. Assuming that a short circuit occurs duringContinue reading “Inter-Turns Short Circuits in Stator Winding of Squirrel-Cage Induction Motor”
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”
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