PQBlog

Detection of Fault Events in Medium Voltage Grid Based on Analysis of Data from Fault Recorders

Published by Dariusz SAJEWICZ1, Augustyn WÓJCIK2, Piotr ZEGADLO3,Bialystok University of Technology (1), Warsaw University of Technology (2), Kozminski University (3)ORCID: 1.0000-0002-3488-5674; 2.0000-0003-0597-1634; 3.0000-0002-0219-297X Abstract. The aim of this paper is to demonstrate the effectiveness of newly developed fault detection methods based on a simple statistical approach encompassing linear discriminant analysis and signal processing. Fault predictionContinue reading “Detection of Fault Events in Medium Voltage Grid Based on Analysis of Data from Fault Recorders”

Applications of Supercapacitor Systems in Photovoltaic Installations

Published by Szymon ROGOWSKI1, Maciej SIBIŃSKI2, Karol GARLIKOWSKI3, Katedra Przyrządów Półprzewodnikowych i Optoelektronicznych, Politechnika Łódzka, ORCID. 1. 0000‐0002‐1279‐3592, 2. 0000‐0002‐9752‐3400 Abstract. The following article presents results of measurements and parameter comparison of energy bank based on supercapacitor batteries and a typical lead-acid solution designed for PV microinstallation. For the purposes of the research, basic measurementsContinue reading “Applications of Supercapacitor Systems in Photovoltaic Installations”

Energy Sector of Pakistan – A Review

Published by Rana Muneeb Hassan, Andrzej Bie´n, Szymon Barczentewicz, Mohammad Abu Sarha, AGH University of Science and Technology Abstract. Any country’s socio-economic growth is interlinked with number of factors, some of more significance with devastating impact whereas the others with very less impact. Amongst all such factors, energy is one of the major player inContinue reading “Energy Sector of Pakistan – A Review”

Improving the Charging Technology for Electric Vehicles

Published by Peter Lutter, EE Power – Technical Articles: Improving the Charging Technology for Electric Vehicles, September 26, 2018. This article discusses the concept of universal inductive energy transmission and its possible applications and implications. With the development of a universal inductive charging system, Finepower GmbH near Munich underpins its leading position in power electronics andContinue reading “Improving the Charging Technology for Electric Vehicles”

Review on Techniques of Optimal Placement and Sizing of DG in Distribution Systems

Published by Veeraraghavulu vemula1, R. Vanitha, sathyabama2, institute of science and technology , India. ORCID: 1. 0000-0001-5872-8537 2. 0000-0003-2195-7242 Abstract: Distributed generation (DG)is a term describing the generation of the electricity use on other side rather than transmitting energy over the electric grid. By using this (Distribution generation) DG in power system plays a majorContinue reading “Review on Techniques of Optimal Placement and Sizing of DG in Distribution Systems”

Protection Transformer and Transmission Line in Power System Based on MATLAB Simulink

Published by Mohammed A. IBRAHIM1, Bashar M. SALIH2, Mahmoud N. Abd3,Power Technical Engineering Department, Northern Technical University (1,2)Ninavah Electricity Distribution, Directorate General Directorate of North Distribution Electricity, Ministry of Electricity, Iraq (3)ORCID. 1. /0000-0003-3182-2771, 2. 0000-0002-2437-0765, 3. https://orcid.org/0000-0002-8018-0093 Abstract. The main objective of this research work is to build a simulation model of a powerContinue reading “Protection Transformer and Transmission Line in Power System Based on MATLAB Simulink”

Introduction to Energy Meter Calibration

Published by Simon Mugo, EE Power – Technical Articles: Introduction to Energy Meter Calibration, November 04, 2022. This article will guide engineers and technicians through procedures, precautions, and the importance of carrying out electrical energy meter calibration. All electrical and electronic measuring equipment is prone to errors caused by external or internal factors. The errors can be removedContinue reading “Introduction to Energy Meter Calibration”

Vehicle-to-Grid Technology Employing DC Fast Charging System in Microgrid

Published by Payal jangilwar1, Prof. Balram Yadav2, 1M-tech scholar, Department of Electrical and Electronics Engineering, Scope College of Engineering, Bhopal, 2HOD, Department of Electrical and Electronics Engineering, Scope College of Engineering, Bhopal. Abstract – Electric Vehicles plays an important role in energy storage management in microgrid. This mechanism is managed by grid to vehicle technologyContinue reading “Vehicle-to-Grid Technology Employing DC Fast Charging System in Microgrid”

Specifics of Hydropower Plant Management in Isolated Power Systems

Published by Sherkhon SULTONOV1 , Murodbek SAFARALIEV2 , Sergey KOKIN2 , Stepan DMITRIEV2 , Inga ZICMANE3 , Shokhin DZHURAEV1,4 Tajik Technical University, Tajikistan(1), Ural Federal University (2), Riga Technical University, Latvia (3), Branch of the National Research University ‘Moscow Power Engineering Institute’ in Dushanbe City (4)ORCID: 1. 0000-0003-2322-5272; 2. 0000-0003-3433-9742; 3. 0000-0001-7493-172X; 4. 0000-0001-8781-2383; 5.Continue reading “Specifics of Hydropower Plant Management in Isolated Power Systems”

Substation Grounding Basics: Step, Touch, and Transferred Voltages

Published by Lorenzo Mari, EE Power – Technical Articles: Substation Grounding Basics: Step, Touch, and Transferred Voltages, October 09, 2020. Learn about Earth potential gradients and shock situations in substations. The conduction of high currents to ground in substations due to atmospheric disturbances or equipment failures generates potential gradients on Earth’s surface that are a threatContinue reading “Substation Grounding Basics: Step, Touch, and Transferred Voltages”