Published by Marta BĄTKIEWICZ-PANTUŁA, Wrocław University of Science and Technology, Institute of Electrical Power Engineering Abstract. The article presents an analysis of the selected parameter of the power quality. The analysis was done in accordance with the applicable normative regulations. The results presented in the article were made on the basis of actual measurements ofContinue reading “The Problem of Determining the Coefficient of Flicker in Accordance to Normative Regulations”
Category Archives: Case Studies
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”
Arc Plasma Energy Evolvement in 60 kV Network Circuit Breakers
Published by Salah Belkhir1, Abderrahmane Ziani1, Hakim Azizi2, Hocine Moulai1,University of Science and Technology Houari Boumediene, Algiers, Algeria (1), University Ziane Achour, Djelfa, Algeria (2) ORCID: 1. 0000-0002-5106-2821 Abstract. The evolvement of the electric and energetic properties of electric arcs at the poles opening of a circuit breaker (CB) is described by nonlinear mathematical models.Continue reading “Arc Plasma Energy Evolvement in 60 kV Network Circuit Breakers”
Comparison of the Results of Simulation Modeling of an Asynchronous Electric Motor with the Calculated Electrodynamic and Energy Characteristics
Published by 1. Oleg GUBAREVYCH1, 2. Svitlana GOLUBIEVA1, 3. Inna MELKONOVA2, State University of Infrastructure and Technologies (1), Volodymyr Dahl East Ukrainian National University (2)ORCID: 1. 0000-0001-7864-0831; 2. 0000-0001-8285-7566; 3. 0000-0001-6173-1470 Abstract. The paper presents the results of a comparison of the electrodynamic and energy characteristics and parameters of an asynchronous motor, obtained by simulationContinue reading “Comparison of the Results of Simulation Modeling of an Asynchronous Electric Motor with the Calculated Electrodynamic and Energy Characteristics”
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”
Effective Implementation of Mitigation Measures against Voltage Collapse in Distribution Power Systems
Published by 1. Ayodeji Olalekan SALAU1, 2. John N. NWEKE2, 3. Uche C. OGBUEFI3,Department of Electrical/Electronics and Computer Engineering, Afe Babalola University Ado-Ekiti, Nigeria (1), Department of Electrical Engineering Technology, Federal Polytechnic Kaura-Namoda (2), Department of Electrical Engineering, University of Nigeria, Nsukka, Nigeria (3)ORCIOD. 1. 0000-0002-6264-9783, 2. 0000-0002-4996-7197, 3. 0000-0002-3694-0358 Abstract. The frequent problem ofContinue reading “Effective Implementation of Mitigation Measures against Voltage Collapse in Distribution Power Systems”
Investigation of the Line-Reactor Influence on the Active Power Filter and Hybrid Active Power Filter Efficiency: Practical Approach
Published by Chamberlin Stéphane Azebaze Mboving, Andrzej Firlit, AGH University of Science and Technology, Department of Power Electronics and Energy Control Systems Abstract. The shunt active power filter (SAPF) and hybrid active power filter (HAPF) efficiency does not only depends on their designed control system, but also on the parameters of the electrical system inContinue reading “Investigation of the Line-Reactor Influence on the Active Power Filter and Hybrid Active Power Filter Efficiency: Practical Approach”
PQ & DQ Based Shunt Active Power Filter with PWM & Hysteresis Techniques
Published by 1. Mahmood T. Alkhayyat1, 2. Mohammed Y. Suliman2, 3. Faisal Falah Aiwa3, Northern Technical University (1), (2), (3) IraqORCID: 1. 0000-0001-6119-7845, 2. 0000-0002-1250-6362, 3. 0000-0003-1974-6614 Abstract. Power quality is mainly affected by any deviation in voltage, current, or frequency that results in damage, upset, or failure of end-use equipment. Non-linear loads like powerContinue reading “PQ & DQ Based Shunt Active Power Filter with PWM & Hysteresis Techniques”
Influence of the Position of the Electrical Contact on the Size of the Temperature Distribution
Published by Dušan MEDVEĎ1, Ján ZBOJOVSKÝ2, Technical University of Košice. ORCID: 1. 0000-0002-8386-0000; 2. 0000-0003-4383-3996 Abstract. This paper deals with the investigation of temperature field distribution around the high-current electric contact. The analyses of temperature field were realised in simulation environment ANSYS and provide better understanding why the electrical contact position influences the heat dissipation.Continue reading “Influence of the Position of the Electrical Contact on the Size of the Temperature Distribution”
Loss of Energy in Electrical Networks with Capacitor Banks under Optimal Reactive Power Control
Published by Stanilav S. Girshin1, Aleksandr AY. Bigun1, Nikolay А. Mel’nikov1, Elena V. Petrova1, Vladislav M. Trotsenko1, Dmitry S. Osipov2, Vladimir N. Goryunov1, Omsk State Technical University (1), Yugra State University (2) Russian Federation Abstract. One of the key indicators of the energy efficiency of electrical power systems should include the level of electric powerContinue reading “Loss of Energy in Electrical Networks with Capacitor Banks under Optimal Reactive Power Control”
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