PQBlog

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”

Effect of Solar Radiation on Power Losses and Capacity of Insulated and Non-Insulated Wires of Overhead Power Lines

Published by Stanilav S. Girshin1, Igor A. Sorokin2, Aleksandr N. Smerdin3, Aleksandr AY. Bigun1, Elena V. Petrova1, Vladislav M. Trotsenko1, Vladimir N. Goryunov1, George S. Smorodin1, Omsk State Technical Univercity, Omsk, Russia (1)Public Join Stock «Interregional Distribution Grid Company of Siberia» (2)Omsk State Transport University, Omsk, Russian (3) Abstract. The influence of solar radiation onContinue reading “Effect of Solar Radiation on Power Losses and Capacity of Insulated and Non-Insulated Wires of Overhead Power Lines”

Mathematical Modelling of Battery Energy Storage Systems in the Additional Service Market of the United Electric Power System of Ukraine

Published by 1. Petro LEZHNIUK, 2. Yulia MALOGULKO, 3. Ihor PROKOPENKO, Vinnitsa National Technical University, Ukraine. ORCID. 1. 0000-0003-0338-2131, 2. 0000-0002-6637-7391, 3. 0000-0001-6050-9413 Abstract. The paper considers the possibility of providing services from the automatic reserve of frequency recovery and the provision of balancing services. Determined the relationship between the price indices of additional serviceContinue reading “Mathematical Modelling of Battery Energy Storage Systems in the Additional Service Market of the United Electric Power System of Ukraine”

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”

Static Synchronous Compensator and Superconducting Fault Current Limiter for Power Transmission System Transient Stability Regulation Including Wind Generator

Published by Abdelkrim ZEBAR, Department of Electrical Engineering, Faculty of technology, Ferhat Abbas Setif 1 University, Setif, Algeria Abstract. The increase of environmental pollution and the decreasing of the energy is extremely related to social progress. The resolution of the environment pollution depends on renewable energy such as wind energy system. Though, that system isContinue reading “Static Synchronous Compensator and Superconducting Fault Current Limiter for Power Transmission System Transient Stability Regulation Including Wind Generator”

Wind Power Forecasting Based on Meteorological Data Using Neural Networks

Published by 1. Yuriy SAYENKO1, 2. Ryszard PAWEŁEK2, 3. Vadym LIUBARTSEV1,Pryazovskyi State Technical University (1), Lodz University of Technology, Institute of Electrical Power Engineering (2) ORCID. 1. 0000-0001-9729-4700, 2. 0000-0002-1023-8210, 3. 0000-0003-1243-9101 Abstract. The growing share of renewable energy sources in the structure of energy systems causes many problems related to the correct operation ofContinue reading “Wind Power Forecasting Based on Meteorological Data Using Neural Networks”

An Application of Facility Location Problem for Electricity Supply Cost Minimization at the Stage of Preliminary High Voltage Network Development Planning

Published by Piotr KAPLER, Warsaw University of Technology, Faculty of Electrical Engineering, Power Engineering Institute Abstract. The article deals with minimizing the costs of electricity supply at the preliminary network planning stage. It presents selected information on costs in power engineering. The facility location problem and Mixed-Integer Linear Programming has been also described. A computationalContinue reading “An Application of Facility Location Problem for Electricity Supply Cost Minimization at the Stage of Preliminary High Voltage Network Development Planning”

Methods of Calculating Solar Insolation for the Assessment of Energy Efficiency of Solar Power Plants

Published by Sergey CHIZHMA, Artyom ZAKHAROV, Immanuel Kant Baltic Federal University (Kaliningrad, Russia) Abstract. The authors explore a number of methods of calculating insolation on a tilted arbitrarily oriented surface and choose the most efficient one for conducting the performance and efficiency analysis of solar power plants. The validity of the method is tested usingContinue reading “Methods of Calculating Solar Insolation for the Assessment of Energy Efficiency of Solar Power Plants”

The Problem of Determining the Coefficient of Flicker in Accordance to Normative Regulations

Published by Marta BĄTKIEWICZ-PANTUŁA, Wrocław University of Science and Technology, Institute of Electrical Power Engineering Abstract. The article presents an analysis of the selected parameter of the power quality. The analysis was done in accordance with the applicable normative regulations. The results presented in the article were made on the basis of actual measurements ofContinue reading “The Problem of Determining the Coefficient of Flicker in Accordance to Normative Regulations”

Analysis of Transient Waveforms in a Power System at Asymmetrical Short-Circuits

Published by Piotr PRUSKI, Stefan PASZEK, Silesian University of Technology Abstract. In the paper, there is presented the analysis of disturbance waveforms of a synchronous generator operating in a single-machine power system consisting of a generating unit connected by a high-voltage power line to a bus. There are considered disturbances in the form of symmetricalContinue reading “Analysis of Transient Waveforms in a Power System at Asymmetrical Short-Circuits”