Published by Stanisław GAWRON, Jakub BERNATT, Artur POLAK,Sieć Badawcza Łukasiewicz – Instytut Napędów i Maszyn Elektrycznych KOMEL Abstract. Three variants of starting synchronous motors are presented. In simplest solution, cage winding is placed in rotor, asynchronous start-up is obtained. This method generates large surge currents adversely affecting power grid and motor (impact forces/impact torque areContinue reading “Start-up of PM Synchronous Motors”
Category Archives: Case Studies
Detection of Fault Events in Medium Voltage Grid Based on Analysis of Data from Fault Recorders
Published by Dariusz SAJEWICZ1, Augustyn WÓJCIK2, Piotr ZEGADLO3,Bialystok University of Technology (1), Warsaw University of Technology (2), Kozminski University (3)ORCID: 1.0000-0002-3488-5674; 2.0000-0003-0597-1634; 3.0000-0002-0219-297X Abstract. The aim of this paper is to demonstrate the effectiveness of newly developed fault detection methods based on a simple statistical approach encompassing linear discriminant analysis and signal processing. Fault predictionContinue reading “Detection of Fault Events in Medium Voltage Grid Based on Analysis of Data from Fault Recorders”
Applications of Supercapacitor Systems in Photovoltaic Installations
Published by Szymon ROGOWSKI1, Maciej SIBIŃSKI2, Karol GARLIKOWSKI3, Katedra Przyrządów Półprzewodnikowych i Optoelektronicznych, Politechnika Łódzka, ORCID. 1. 0000‐0002‐1279‐3592, 2. 0000‐0002‐9752‐3400 Abstract. The following article presents results of measurements and parameter comparison of energy bank based on supercapacitor batteries and a typical lead-acid solution designed for PV microinstallation. For the purposes of the research, basic measurementsContinue reading “Applications of Supercapacitor Systems in Photovoltaic Installations”
Energy Sector of Pakistan – A Review
Published by Rana Muneeb Hassan, Andrzej Bie´n, Szymon Barczentewicz, Mohammad Abu Sarha, AGH University of Science and Technology Abstract. Any country’s socio-economic growth is interlinked with number of factors, some of more significance with devastating impact whereas the others with very less impact. Amongst all such factors, energy is one of the major player inContinue reading “Energy Sector of Pakistan – A Review”
Review on Techniques of Optimal Placement and Sizing of DG in Distribution Systems
Published by Veeraraghavulu vemula1, R. Vanitha, sathyabama2, institute of science and technology , India. ORCID: 1. 0000-0001-5872-8537 2. 0000-0003-2195-7242 Abstract: Distributed generation (DG)is a term describing the generation of the electricity use on other side rather than transmitting energy over the electric grid. By using this (Distribution generation) DG in power system plays a majorContinue reading “Review on Techniques of Optimal Placement and Sizing of DG in Distribution Systems”
Protection Transformer and Transmission Line in Power System Based on MATLAB Simulink
Published by Mohammed A. IBRAHIM1, Bashar M. SALIH2, Mahmoud N. Abd3,Power Technical Engineering Department, Northern Technical University (1,2)Ninavah Electricity Distribution, Directorate General Directorate of North Distribution Electricity, Ministry of Electricity, Iraq (3)ORCID. 1. /0000-0003-3182-2771, 2. 0000-0002-2437-0765, 3. https://orcid.org/0000-0002-8018-0093 Abstract. The main objective of this research work is to build a simulation model of a powerContinue reading “Protection Transformer and Transmission Line in Power System Based on MATLAB Simulink”
Harmonic Estimation on a Transmission System with Large-Scale Renewable Energy Sources
Published by Saheed Lekan GBADAMOSI1, Nnamdi NWULU1, O.M. BABATUNDE2,Dept. of Electrical & Electronics Engineering Science, University of Johannesburg, South Africa (1), University of Lagos, Nigeria (2) Abstract. This paper presents a modelling and simulation approach using the Electrical Transient Analyzer Program software to evaluate the magnitude and effects of harmonics from varying RES into theContinue reading “Harmonic Estimation on a Transmission System with Large-Scale Renewable Energy Sources”
Reactive Power Compensation in a 6 kV Power Grid Supplying a 12-pulse Thyristor Hoisting Machine
Published by Marian HYLA, Silesian University of Technology, Department of Power Electronics, Electrical Drives and Robotics. ORCID: 0000-0001-6466-7398 Abstract. The paper presents the problems of the influence of a high power thyristor hoisting machine on the mine’s power supply grid. The results of the real object measurements when the machine is powered from a 12-pulseContinue reading “Reactive Power Compensation in a 6 kV Power Grid Supplying a 12-pulse Thyristor Hoisting Machine”
Non-Standard Solutions for Supports of High Voltage Overhead Lines in the Aspect of Landscape Protection and Electromagnetic Field Impact
Published by Marek JAWORSKI, Politechnika Wrocławska, Katedra EnergoelektrykiORCID. 0000-0002-6537-050X Abstract. The article presents issues related to choosing an overhead line route in the aspect of landscape protection. The possibility of using nonstandard supports, which task is to replace traditional electricity pylon and better integration into the surrounding landscape, was pointed out. The paper describes theContinue reading “Non-Standard Solutions for Supports of High Voltage Overhead Lines in the Aspect of Landscape Protection and Electromagnetic Field Impact”
Optimization of the Wind Farm Structure through the use of PV Installations and the use of Pumped Storage Power Plants
Published by Joanna KOZIEŁ1, Michał MAJKA1, Andrzej WAC- WŁODARCZYK1, Krzysztof NAGLAK2,Department of Electrical Engineering and Electrotechnology, Faculty of Electrical Engineering and Computer Science, Lublin University of Technology(1), Faculty of Electrical Engineering and Computer Science, Lublin University of Technology(2),ORCID: 1. 0000-0003-1682-2589, 2. 0000-0002-7153-040X 3. 0000-0002-6272-9249 Abstract. The article presents methods of wind farm optimization through the useContinue reading “Optimization of the Wind Farm Structure through the use of PV Installations and the use of Pumped Storage Power Plants”
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