Simplified Formula for the Load Losses of Active Power in Power Lines taking into Account Temperature

Published by Stanislav S. GIRSHIN, Oleg V. KROPOTIN, Vladislav M. TROTSENKO, Aleksandr O. SHEPELEV, Elena V. PETROVA, Vladimir N. GORYUNOV, Omsk State Technical University, Omsk, Russia Abstract. The use of a simplified formula for calculation of active power losses in transmission lines taking into account the temperature in the stationary thermal regime is considered. TheContinue reading “Simplified Formula for the Load Losses of Active Power in Power Lines taking into Account Temperature”

Power Flow and Stability Analyses of a UPQC System Integrated into a Distribution Network

Published by Rachid Dehini1, Ryma Berbaoui, Othmane Abdelkhalek, Electrical engineering Department, University of Tahri Mohamed. B.P 417 BECHAR (08000), Algeria. ORCID: 1 https://orcid.org/0000-0002-8769-218X Abstract. This paper deals with the active and reactive power flow analysis inside the unified power quality conditioner (UPQC) during several cases. The UPQC is a combination of shunt and series activeContinue reading “Power Flow and Stability Analyses of a UPQC System Integrated into a Distribution Network”

Analysis of Development Directions of Online Diagnostics of Synchronous Generator

Published by Olena RUBANENKO1, Sree Lakshmi GUNDEBOMMU2, Iryna HUNKO3, Zdenek PEROUTKA1, Regional Innovational Center at the Faculty of Electrical Engineering University of West Bohemia (1), Plzen, Czech Republic CVR College of Engineering Mangalpalli (2), Hyderabad, India Vinnytsia National Technical University (3), Vinnytsia, Ukraine Abstract. In this paper the analysis of online diagnostics of synchronous generationsContinue reading “Analysis of Development Directions of Online Diagnostics of Synchronous Generator”

A Case Study of Sharing the Harmonic Voltage Distortion Responsibility between the Utility and the Consumer

Published by F. H. Costa, I. N. Santos, S. F. P. Silva and J. C. de Oliveira, Group of Power Quality Faculty of Electrical Engineering Federal University of Uberlandia Campus Santa Monica – Av. João Naves de Ávila, 2100 Uberlandia (Brazil). Phone/Fax number:+55 (34) 3239-4733, e-mail: fernandahein@hotmail.com, ivan.ufu@gmail.com, sergio@qes.com.br, jcoliveira@ufu.br Abstract. The aim of thisContinue reading “A Case Study of Sharing the Harmonic Voltage Distortion Responsibility between the Utility and the Consumer”

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”

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”

Impedance Models of Multi-Circuit Multi-Voltage Overhead Power Lines

Published by Henryk KOCOT1, Agnieszka DZIENDZIEL1,2, Silesian University of Technology, Institute of Power Engineering and Control Systems (1), PSE Innovations (2) Abstract. The paper discusses aspects related to the modeling of multi-circuit overhead power lines (HV, EHV), in particular their zero models. The article presents a mathematical model of two-voltage three-circuit overhead line in powerContinue reading “Impedance Models of Multi-Circuit Multi-Voltage Overhead Power Lines”

EDP Distribuição’s Development of Support Tools and Platforms for Power Quality Management and Analysis

Published by Fabrice GONÇALVES, António LEBRE, Pedro VELOSO, Fernando BASTIÃO, Nuno MELO, DP Distribuição – Portugal. Emails: fabrice.goncalves@edp.pt, antoniojose.lebrecardoso@edp.pt, pedro.veloso@edp.pt, fernando.bastiao@edp.pt, nuno.melo@edp.pt 24th International Conference & Exhibition on Electricity Distribution (CIRED). 12-15 June 2017. ABSTRACT EDP Distribuição, as distribution system operator (DSO), has been developing an ambitious Power Quality (PQ) monitoring program. This paper aimsContinue reading “EDP Distribuição’s Development of Support Tools and Platforms for Power Quality Management and Analysis”

Power Flow Control Algorithm in a Microgrid with Energy Storage

Published by 1.Dominika KACZOROWSKA, 2.Przemysław JANIK, 3.Łukasz JASIŃSKI, 4.Jacek REZMER, 5.Vishnu SURESH, Wroclaw University of Science and TechnologyORCID: 1. 0000-0002-2312-2903; 2. 0000-0001-5300-7845; 3. 0000-0002-7484-9424; 4. 0000-0002-2822-7595; 5. 0000-0003-2891-9206 Abstract. This paper discusses power flow control algorithm in a microgrid with battery energy storage system. Depending on the state of charge of the storage and theContinue reading “Power Flow Control Algorithm in a Microgrid with Energy Storage”

Selection Criteria and Analysis of Wind Turbines for DHW

Published by Artur NEMŚ, Magdalena NEMŚ, Adam RUZIEWIC, Wroclaw University of Science and Technology, Poland Abstract. The article describes the method and criteria of selecting wind turbines used to heat domestic hot water (DHW). The authors describe a method of choosing turbines based on power characteristics, climatic conditions and heating demands of a building. PowerContinue reading “Selection Criteria and Analysis of Wind Turbines for DHW”