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”
Category Archives: Case Studies
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”
Comparative Analysis of the Costs of Medium Voltage Overhead and Cable Lines Failure
Published by Katarzyna GĘBCZYK, Andrzej Ł. CHOJNACKI, Łukasz GRĄKOWSKI, Kornelia BANASIK Kielce, University of Technology, Department of Power Engineering Basics Abstract. The article presents the results of the analysis of the costs of losses at distributors and consumers of electricity, caused by failures of medium voltage overhead and cable power lines operated by domestic distributionContinue reading “Comparative Analysis of the Costs of Medium Voltage Overhead and Cable Lines Failure”
Effect of the Let-Through Energy of Overcurrent Protective Devices on the Temperature of Conductors during Short-Circuits
Published by 1. Stanislaw CZAPP, 2. Daniel KOWALAK, Gdańsk University of TechnologyORCID: 1. 0000-0002-1341-8276; 2. 0000-0001-9610-9884 Abstract. The scope of the verification of low-voltage systems covers the earth fault loop impedance measurement. This measurement is usually performed with the use of low-value current meters, which force a current many times lower than the one occurringContinue reading “Effect of the Let-Through Energy of Overcurrent Protective Devices on the Temperature of Conductors during Short-Circuits”
Classification of Measurement-Based Approaches to Load Model Identification
Published by Alexander TAVLINTSEV1, Aleksey PANKRATOV2, Ilya LIPNITSKIY3, Automated Power Systems Department of Ural Federal University, Russia (1), System Operator of the United Power System, Russia (2), HP Inc, USA (3) Abstract. The paper briefly describes existing methods for processing measuring data of voltage, active and reactive power with a view to identify the mathematicalContinue reading “Classification of Measurement-Based Approaches to Load Model Identification”
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