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”
Category Archives: Case Studies
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”
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”
VPN-Based Monitoring Power System Facilities
Published by Petro Baran1, Yuriy Varetsky1,2, Viktor Kidyba1, Yaroslava Pryshliak1, Іgor Sabadash1, Oleksandr Franchuk3, Lviv Polytechnic National University (1), AGH University of Science and Technology (2), Institute of Microprocessor Control Systems for Power System Objects, Lviv, Ukraine (3), Abstract. Power system substations are usually controlled from a central control point using various telemechanical systems. AtContinue reading “VPN-Based Monitoring Power System Facilities”
The Influence of Radiators Construction on Vibroacoustic Measurement of a Power Transformer
Published by Szymon BANASZAK1, Eugeniusz KORNATOWSKI2, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Katedra Elektrotechnologii i Diagnostyki (1), Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Katedra Przetwarzania Sygnałów i Inżynierii Multimedialnej (2) Abstract. The paper presents an example of transformer tested with complementary tests methods: Frequency Response Analysis and Vibroacoustic Measurement. Methods applied together allow for higher quality ofContinue reading “The Influence of Radiators Construction on Vibroacoustic Measurement of a Power Transformer”
Polish Hydropower Resources and Example of their Utilization
Published by Józef PASKA, Karol PAWLAK, Pola RONKIEWICZ, Paweł TERLIKOWSKI and Jan WOJCIECHOWSKI*Warsaw University of Technology, Institute of Electrical Power Engineering, Poland Abstract: This paper presents the analysis of Polish rivers’ potential to be employed in the construction of new electricity sources. On the basis of the hydrological data obtained in a number of years,Continue reading “Polish Hydropower Resources and Example of their Utilization”
The Effect of Cable Duct Diameter on the Ampacity of High-Voltage Power Cables
Published by Filip RATKOWSKI1,2, Michał KOŁTUN2, Stanislaw CZAPP1, Gdańsk University of Technology (1), Eltel Networks Energetyka SA (2). ORCID: 1. 0000-0002-4698-9729, 3. 0000-0002-1341-8276 Abstract. The ampacity of power cables depends, among others, on the conditions of heat dissipation from the cable to the environment. Cables are usually laid directly in the ground, but in someContinue reading “The Effect of Cable Duct Diameter on the Ampacity of High-Voltage Power Cables”
Data-Driven Fault Detection and Diagnosis for Centralised Chilled Water Air Conditioning System
Published by Noor Asyikin SULAIMAN1, Kai Wern CHUINK1, Muhammad Noorazlan Shah ZAINUDIN1, Azdiana Md YUSOP1, Siti Fatimah SULAIMAN1, Md Pauzi ABDULLAH2, Centre for Telecommunication Research & Innovation (CeTRI), Fakulti Kejuruteraan Elektronik dan Kejuruteraan Komputer (FKEKK), Universiti Teknikal Malaysia Melaka (UTeM), Hang Tuah Jaya, 76100, Durian Tunggal, Melaka, Malaysia (1), Centre of Electrical Energy Systems (CEES),Continue reading “Data-Driven Fault Detection and Diagnosis for Centralised Chilled Water Air Conditioning System”