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”

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”

Distributed Photovoltaic Integration as Complementary Energy: Consideration of Solutions for Power Loss and Load Demand Growth Problems

Published by Salama MANJANG1, Yuli Asmi RAHMAN2,University of Hasanuddin (1), University of Tadulako (2), Indonesia Abstract. The purpose of this study is to optimize the location and capacity of PV in the feeder distribution system 20 kV of Central Sulawesi, Indonesia. The proposed method uses the optimization method of development from the genetic algorithm, namelyContinue reading “Distributed Photovoltaic Integration as Complementary Energy: Consideration of Solutions for Power Loss and Load Demand Growth Problems”

Excitation Type and Results of Simulated Electric Field Distribution in MV Cable Termination

Published by Maciej CIUBA1, Michał WOJCIECHOWSKI1, Maciej OWSIŃSKI2, Michał BORECKI1,Warsaw University of Technology, Koszykowa 75, 00-662 Warszawa, Poland (1)Institute of Power Engineering – Research Institute, Mory 8, 01-330 Warszawa, Poland (2) Abstract. The presented article discusses the differences in the results of the electric field simulation in a medium voltage heat-shrinkable cable termination with theContinue reading “Excitation Type and Results of Simulated Electric Field Distribution in MV Cable Termination”

Analysis of Selected Power Quality Indicators at Non-Measured Distribution Network Points Based on Measurements at Other Points

Published by Andrzej FIRLIT, Bogusław ŚWIĄTEK, Zbigniew HANZELKA, Krzysztof PIĄTEK, Mateusz DUTKA, Tomasz SIOSTRZONEK, AGH University of Science and Technology, Krakow, Poland Abstract. The article presents a method enabling estimation of the selected power quality indicators at a given point of a power network, on the basis of the power quality indicators recorded at theContinue reading “Analysis of Selected Power Quality Indicators at Non-Measured Distribution Network Points Based on Measurements at Other Points”

Statistical Analysis and Modeling of the Reliability of Overhead Low Voltage Lines

Published by Łukasz GRĄKOWSKI, Andrzej Ł. CHOJNACKI, Katarzyna GĘBCZYK, Kornelia BANASIK Kielce University of Technology, Faculty of Electrical Engineering, Automatic Control and Computer Science Abstract: The paper present a thorough analysis of seasonality and causes of failures of low voltage overhead lines. Such lines are mainly characteristic of rural areas. An average duration of failures,Continue reading “Statistical Analysis and Modeling of the Reliability of Overhead Low Voltage Lines”

Impact of EV Charging Stations Integration on Power System Performance

Published by Wisam Mohamed Najem1, Shaker M. Khudher2, Omar Sh. Alyozbaky3, Department of Electrical Engineering, College of Engineering, University of Mosul, Iraq (1,2,3) ORCID: 1.0000‐0002‐9611‐6416; 2.0000‐0003‐3158‐7900; 3.0000‐0002‐9735‐1469 Abstract. Electric vehicles partner with clean energy to prevent carbon emissions attributed to internal combustion engine-powered traditional vehicles, gas-based power plants, and other environmental pollution sources. At theContinue reading “Impact of EV Charging Stations Integration on Power System Performance”

Comparing Harmonics Mitigation Techniques

Published by Jonas Persson Comsys AB Fältspatvägen 4, SE-224 78 Lund, Sweden. jonas.persson@comsy, Comparing Harmonics Mitigation Techniques – Revision 3 – 2014-04-08 Abstract— the document at hand compares harmonic mitigation techniques in a range of applications and settings. Theoretical and practical comparisons are made between active and passive series and shunt filters. The overall contextContinue reading “Comparing Harmonics Mitigation Techniques”

Analysis of the Influence of Unequal Current Distribution on the Heating of Parallel Connected LV MOV Surge Arresters

Published by Bartłomiej SZAFRANIAK, Paweł ZYDROŃ, and Łukasz FUŚNIK, AGH University of Science and Technology, Krakow, Poland Abstract. In low-voltage (LV) electrical networks metal-oxide varistor (MOV) surge arresters connected in parallel are often used against overvoltages. The paper presents the results of laboratory experiments, during which pairs of parallel connected MOV surge arresters were subjectedContinue reading “Analysis of the Influence of Unequal Current Distribution on the Heating of Parallel Connected LV MOV Surge Arresters”

Thailand Integrates Large-Scale Wind Farms

Published by C. MADTHARAD, Provincial Electricity Authority (PEA), Thailand. and J. WARMAN, Senergy Econnect Australia. T&D World – Renewables: Thailand Integrates Large-Scale Wind Farms, Sept. 28, 2015. Provincial Electricity Authority address power-quality issues that arise from increasing penetration of renewable energy. In the Kingdom of Thailand, power-quality regulations applicable to small power producers and veryContinue reading “Thailand Integrates Large-Scale Wind Farms”