Published by Marian HYLA, Silesian University of Technology, Department of Power Electronics, Electrical Drives and Robotics Abstract. The paper presents the braking process of a large-power salient-pole synchronous motor forced by field current. The motor control was carried out using a microprocessor block for the excitation of large-power synchronous motors. Cases of free retardation andContinue reading “Large-Power Synchronous Motor Braking by Field Current”
Category Archives: Case Studies
Influence of Environmental Exposures on Electrical Parameters of Low Voltage Surge Arresters
Published by Piotr PAJĄK1, Bartłomiej SZAFRANIAK1, Anna DĄDA2, AGH University of Science and Technology, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering (1), MGGP S.A., Krakow Branch (2) Abstract. Low voltage surge arresters work in a very different environmental conditions. During the exploitation, under the influence of environmental exposures, the structure of metalContinue reading “Influence of Environmental Exposures on Electrical Parameters of Low Voltage Surge Arresters”
Application of Multi-Stage Window Comparator Circuit with Safety Mode for Swell Voltage Control in Low Voltage Systems
Published by Saktanong WONGCHAROEN, Sansak DEEON, Pathumwan Institute of Technology, Thailand Abstract. This article presents the application of a multi-stage window comparator circuit with safety mode for swell voltage control in low voltage systems that lack stability and electrical quality. High-voltage transistors were used to build a simple voltage detecting circuit with multi-stage functions andContinue reading “Application of Multi-Stage Window Comparator Circuit with Safety Mode for Swell Voltage Control in Low Voltage Systems”
Faults Detection in PMSM Drive using Artificial Neural Network
Published by Konrad URBAŃSKI, Dariusz MAJCHRZAK,Poznań University of Technology Abstract. In this paper, simulation research results of PMSM drive with open phase fault detection are presented. Proposed fault detection system is implemented using two artificial neural networks. One of them is neural model of healthy PMSM and another one generates diagnostic signals. When the faultContinue reading “Faults Detection in PMSM Drive using Artificial Neural Network”
Storage Electric Multiple Units on Partially Electrified Suburban Railway Lines
Published by Aleksander JAKUBOWSKI1, Natalia KARKOSIŃSKA–BRZOZOWSKA2, Krzysztof KARWOWSKI1, Andrzej WILK1, Gdańsk University of Technology, Faculty of Electrical and Control Engineering (1), Civil and Environmental Engineering (2) Abstract. The paper presents possible environmental, energy and economical gains implied by replacing conventional traction vehicles with independently powered electric multiple units (IPEMU) on partially electrified suburban railways. IPEMUsContinue reading “Storage Electric Multiple Units on Partially Electrified Suburban Railway Lines”
Hybrid Energy Storage System in Hybrid Vehicles: Design of Energy Management Strategy and Comparative Analysis
Published by Piotr WOŹNIAK, Politechnika Łódzka, Instytut Systemów Inżynierii Elektrycznej Abstract. This article presents simulation tests showing the benefits of using an additional energy storage device in the form of a supercapacitor in a hybrid car. An original power flow control system was proposed. The main emphasis was placed on determining the driving characteristics, emissionsContinue reading “Hybrid Energy Storage System in Hybrid Vehicles: Design of Energy Management Strategy and Comparative Analysis”
Memristive Devices In Three-Phase Systems
Published by Piotr ZEGARMISTRZ, Bartłomiej GARDA, AGH University of Science and Technology Abstract. The aim of the research presented in a paper was to provide trustworthy simulation results for symmetrical three-phase systems with memristive load. The memristors in the system are combined with linear resistors in order to limit the current in the element. LinearContinue reading “Memristive Devices In Three-Phase Systems”
Power Exchange in Smart Grids Integrating Renewable Energy
Published by MEKKAOUI Ali1, LAOUER Mohammed2, YOUNES Mimoun1, University of Sidi Belabes, Algeria (1), University Center of Naama, Algeria (2) Abstract. Smart grids are essentially characterized by reliability and energy efficiency so we can optimize the performance of the electrical system to ensure safe and reliable operation. This paper discusses smart grids in a futureContinue reading “Power Exchange in Smart Grids Integrating Renewable Energy”
Comparative Analysis of the Indicators that Concern Power Supply Interruptions for Electricity Consumers for the Selected Distribution System
Published by Małgorzata ŁATKA, Marek NOWAK, Rzeszow University of Technology Abstract. The article presents the results of a comparative analysis of the basic indicators characterizing the interruptions in the supply of electricity. On the basis of generally available reports of selected DSOs, a list of selected indicators was prepared over the years. A comparison ofContinue reading “Comparative Analysis of the Indicators that Concern Power Supply Interruptions for Electricity Consumers for the Selected Distribution System”
Incheon Airport Maglev Line
Published by Doh-Young PARK1, Jacek F. GIERAS2,3Korea Institute of Machinery and Materials, Daejeon, Korea (1), UTP University of Science and Technology, Bydgoszcz, Poland (2), Korea Electrotechnology Research Institute, Changwon, Korea (3), Abstract. The paper presents the Incheon Airport Maglev Line (IAML) in South Korea connecting Incheon Airport with Yeongjong Island. The paper focuses on constructionContinue reading “Incheon Airport Maglev Line”
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