Published by Lidiya Kovernikova, Melentiev Energy Systems Institute of the Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russian Federation. Email: kovernikova@isem.irk.ru Abstract. The power quality in Russian electrical networks does not meet the requirements of regulatory documents. Big problems occur in all areas of people’s lives for this reason. Economic damage is oneContinue reading “Problems of the Current State of Power Quality and Proposals for their Solution”
Category Archives: Case Studies
Application of Electronic Load Circuit for Electrical Safety by using a Serial Mode Comparator
Published by Saktanong WONGCHAROEN1, Sansak DEEON1, Narong MUNGKUNG2, Pathumwan Institute of Technology, Thailand (1), King Mongkut’s University of Technology Thonburi, Thailand (2) Abstract. This research presented an electronic load circuit for electrical safety by using a serial mode comparator as a protection device against surges caused by electrical power lacking stability and quality. The applicationContinue reading “Application of Electronic Load Circuit for Electrical Safety by using a Serial Mode Comparator”
Impact of Harmonics on Power Quality and Losses in Power Distribution Systems
Published by M. Jawad Ghorbani, H. Mokhtari**, Dept. of CSEE, West Virginia University, Morgantown, WV, USA, ** Dept. of EE, Sharif University of Technology, Tehran, Iran. ABSTRACT – This paper investigates the harmonic distortion and losses in power distribution systems due to the dramatic increase of nonlinear loads. This paper tries to determine the amountContinue reading “Impact of Harmonics on Power Quality and Losses in Power Distribution Systems”
Case Study for Obtaining Power Quality Grid-Code Compliance
Published by Dirk A. J. van der Bank, and Kyle Lass, Energize, July 2018 The practical implications of obtaining power quality (PQ) grid-code compliance for category C photovoltaic (PV) renewable power plants (RPP) are described in this article. Successful harmonic mitigation was implemented via means of the installation of active harmonic filters (AHF) at lowContinue reading “Case Study for Obtaining Power Quality Grid-Code Compliance”
Comparison of Two Concepts for Modeling of Lightning Strike into Overhead Line
Published by Karol ANISEROWICZ, Politechnika Białostocka, Wydział ElektrycznyORCID: 0000-0001-8895-3954 Abstract. The paper presents a comparison of results of determining the lightning current flow in the shield wires of a high voltage line, using the model of lightning in the form of a lumped current generator and the antenna model, which takes the electromagnetic coupling intoContinue reading “Comparison of Two Concepts for Modeling of Lightning Strike into Overhead Line”
Impedance Correction Method of Distance Relay on High Voltage Transmission Line
Published by Samira SEGHIR, Tahar BOUTHIBA, Université des Sciences et de la Technologie d’Oran Mohamed BOUDIAF, USTO-MB, Faculté de Génie Electrique, Laboratoire LGEO, BP 1505 El M’Naouer, 31000 Oran, Alegria Abstract. A distance protection relay plays a major role in faults detection in the electric transmission line. The fault resistance has an effect on theContinue reading “Impedance Correction Method of Distance Relay on High Voltage Transmission Line”
Analysis of Thermal Field in 110 kV Cable Systems
Published by Janusz TYKOCKI1, Yong YUE2, Andrzej JORDAN3, The State College of Computer Science and Business Administration in Łomża (1), University of Bedfordshire (2), Visiting professor at University of Bedfordshire (UK), The State College of Computer Science and Business Administration in Łomża (3) Abstract. The paper presents the distribution of temperature field in high voltageContinue reading “Analysis of Thermal Field in 110 kV Cable Systems”
Voltage Sag Mitigation Using Direct Converter Based DVR without Error Signal
Published by 1. S. Abdul Rahman, 2. Estifanos Dagnew Mitiku, 3. Shumye Birhan Mule, 4. Gebrie Teshome Aduye, 5. Mekete Asmare Huluka, 6. Solomon Mesfin Institute of Technology, University of Gondar, Ethiopia Abstract – Dynamic voltage restorer is considered to be one of the best device to compensate voltage sag and swell. Recently the DVRsContinue reading “Voltage Sag Mitigation Using Direct Converter Based DVR without Error Signal”
Power Quality Survey in a Distribution System, Standard Procedures and Limitations
Publishd by H. Mokhtari1, S. Hasani and M. Masoudi2, 1Associate Professor Department of Electrical Engineering, Sharif University of Technology, Azadi Ave., Tehran, Iran. Email: mokhtari@sharif.edu, 2Project Engineer and Management, West Azarbayjan Utility, Oroumieh, Iran. Email: sh592b@yahoo.com Abstract ⎯ This paper presents the results of a power quality survey in a distribution system. More than fiftyContinue reading “Power Quality Survey in a Distribution System, Standard Procedures and Limitations”
The Analysis of the Wind Generation Impact on the Power System Stability
Published by Michał PIEKARZ, Politechnika Warszawska, Instytut ElektroenergetykiORCID: 0000-0003-1500-2634 Abstract. The article discusses the issues related to the influence of connecting wind turbines on the angular stability of the power system. Current plans for Poland’s energy transition, climate issues, and the most popular types of wind turbines used in the world were discussed. In theContinue reading “The Analysis of the Wind Generation Impact on the Power System Stability”
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