Published by Grzegorz KOMARZYNIEC1, The Lublin University of Technology, Institute of Electrical Engineering and Electrotechnologies (1) Abstract. The HTS transformer inrush current may lead to thermal damage its windings made of HTS 2G tapes. The parameters affecting the value and duration of the inrush current are: the impedance of the transformer windings and the impedanceContinue reading “The Influence of Power Supply Network Inductance on the HTS Transformer Inrush Current”
Category Archives: Case Studies
Improved Control Strategy of Wind Energy Conversion System with PMSG during Low Voltage Sags
Published by Piotr GAJEWSKI, Wrocław University of Science and Technology, Department of Electrical Machines, Drives and Measurements Abstract. The paper presents the improved control strategy for Wind Energy Conversion System (WECS) during voltage sags. The considered back-to-back converter system includes: Ma-chine Side Converter (MSC) and Grid Side Converter (GSC) with control circuits. To the windContinue reading “Improved Control Strategy of Wind Energy Conversion System with PMSG during Low Voltage Sags”
Example of Inrush Current Elimination After Connection of High Input DC Voltage
Published by Jakub KELLNER1, Michal PRAZENICA2, Department of Mechatroncs and Electronics, Faculty of Electrical and Information Technology, University of Zilina, Slovakia Abstract. This article deals with the problem of elimination inrush currents. The document proposes an active method for limiting the inrush currents during circuit switching when high inrush currents occur. The proposed system limitsContinue reading “Example of Inrush Current Elimination After Connection of High Input DC Voltage”
A Case Study on Wired and Wireless Charger Standards in India for Electric Vehicle Application
Published by Shivanand M N1, Y. Maruthi1 Phaneendra Babu Bobba2, Sandeep Vuddanti11GRIET, EEE Department, Hyderabad, Telangana, India2CUK, Electrical Engineering Department, Kalburgi, Karnataka, India*Corresponding author: shivanandnaduvin@gmail.com Abstract. India has taken major step in adopting the electric vehicle by means of FAME Scheme (Fast Adoption and Manufacturing of Electric Vehicles), a government initiative. ARAI (Automotive Research AuthorityContinue reading “A Case Study on Wired and Wireless Charger Standards in India for Electric Vehicle Application”
Investigating Electric Vehicle (EV) Charging Station Locations for Agartala, India
Published by Somudeep Bhattacharjee1, Saima Batool2, Champa Nandi1 and Udsanee Pakdeetrakulwong3,* , 1Tripura University, 2School of Information Systems, Curtin Business School, Curtin University, 3Nakhon Pathom Rajabhat University*Corresponding author; e-mail: udsanee@webmail.npru.ac.th Abstract. Selecting the location for installing electric vehicles charging stations is important to ensure EV adoption and also to address some of the inherent risksContinue reading “Investigating Electric Vehicle (EV) Charging Station Locations for Agartala, India”
Harmonics Produced by Traction Substations – Computer Modelling and Experimental Verification
Published by Robert KOWALAK, Stanislaw CZAPP, Krzysztof DOBRZYNSKI, Jacek KLUCZNIK, Zbigniew LUBOSNY Gdansk, University of Technology, Faculty of Electrical and Control Engineering Abstract. Voltage and current harmonics have a detrimental effect on the components of a power system. Current harmonics may result in the overload and damage to power transformers. Voltage harmonics may result in,Continue reading “Harmonics Produced by Traction Substations – Computer Modelling and Experimental Verification”
The Influence of Distributed Power Sources on Active Power Loss in the Microgrid
Published by Petro D. LEZHNIUK1, Iryna O. HUNKO1, Sergiy V. KRAVCHUK1, Paweł KOMADA2,Konrad GROMASZEK2, Assel MUSSABEKOVA2, Nursanat ASKAROVA3, Abenar ARMAN2Vinnytsia National Technical University, Chair of Electric Stations and Systems (1), Lublin University of Technology, Faculty of Electrical Engineering and Computer Science (2), Kazakh National Research Technical University after K.I. Satpaeva (3) Abstract. One of methodsContinue reading “The Influence of Distributed Power Sources on Active Power Loss in the Microgrid”
Critical Electrical Loads – How to Supply and the Use of UPS Units
Published by Prof. Silviu Darie, PhD (EE), Technical University Cluj Napoca, Romania, Honorary Member of the Romanian Technical Sciences Academy. Email: silviu.darie@enm.utcluj.ro. Abstract: Based on the author’s experience in designing power systems for critical loads, the paper presents the ways of supplying essential loads, the distribution system layout configuration, the uninterruptible power supply sources (UPS), theContinue reading “Critical Electrical Loads – How to Supply and the Use of UPS Units”
Earth Fault Protection Supported with Adaptive Admittance Criteria
Published by Józef LORENC, Krzysztof ŁOWCZOWSKI, Bogdan STASZAKPolitechnika Poznańska, Instytut Elektroenergetyki Abstract. In this paper possibilities for improvement of earth fault protection by adjustment of protective relay settings due to change of neutral point impedance in medium voltage networks are presented. Streszczenie. W artykule przedstawiono zagadnienia dotyczące możliwości poprawy skuteczności działania zabezpieczeń ziemnozwarciowych typu YY0Continue reading “Earth Fault Protection Supported with Adaptive Admittance Criteria”
Wind Farm and System Modelling Evaluation in Harmonic Propagation Studies
Published by G. A. Mendonça1, H. A. Pereira1,2 and S. R. Silva1,1 Graduate Program in Electrical Engineering – Universidade Federal de Minas Gerais Av. Antônio Carlos 6627, 31270-901, Belo Horizonte, MG, Brazil. Phone: +55-31-3409-4842, e-mail: gforti@gmail.com, heverton.pereira@ufv.com.br, selenios@dee.ufmg.br2 Department of Electrical Engineering, Universidade Federal de Viçosa Av. P.H.Rolfs S/N,36570-000, Viçosa, MG, Brazil Abstract. Wind powerContinue reading “Wind Farm and System Modelling Evaluation in Harmonic Propagation Studies”
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