Published by Nijat Mammadov1, Najiba Piriyeva2, Shukufa Ismayilova3, Azerbaijan State Oil and Industry University ORCID: 1. 0000-0001-6555-3632; 2. 0000-0002-8990-1803 Abstract. The purpose of this study is to analyze the lightning protection systems of wind turbines. One of the main causes of damage to wind electric installations is lightning strikes. In order to reduce the likelihoodContinue reading “Research of Lightning Protection Systems for Wind Electric Installations”
Tag Archives: Lightning Protection System (LPS)
Analysis of Switching Overvoltages and Protection from Atmospheric Overvoltages for 400kV Switchgears in the Kosovo Power System using ATP/EMTP
Published by 1. Bahri PREBREZA, 2. Nuri BERISHA1*, 3. Bashkim STATOVCI, Faculty of Electrical and Computer Engineering, University of PrishtinaORCID: 1. 0000-0003-1950-026X; 2. 0000-0001-8615-637X; 3. 0000-0002-6840-0778 Abstract. Power systems might experience electrical problems or power outages, due to atmospheric discharges. The quality of the protection from atmospheric overvoltages will increase the life of the equipmentContinue reading “Analysis of Switching Overvoltages and Protection from Atmospheric Overvoltages for 400kV Switchgears in the Kosovo Power System using ATP/EMTP”
Semi-Analytic Calculations of Overvoltages caused by Direct Lightning Strike in Buried Coaxial Cable
Published by Karol ANISEROWICZ, Renata MARKOWSKA, Bialystok University of Technology Abstract. Results of calculations of overvoltages caused by a direct lightning strike to an underground coaxial cable are presented. Analytic formulas are used in the frequency domain. The time-domain waveforms are computed using the Inverse Discrete Fourier Transform (IDFT). Streszczenie. Przedstawiono wyniki obliczeń przepięć spowodowanychContinue reading “Semi-Analytic Calculations of Overvoltages caused by Direct Lightning Strike in Buried Coaxial Cable”
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”
Substation Shielding Methods for Lightning Strikes
Published by Lorenzo Mari, EE Power – Technical Articles: Substation Shielding Methods for Lightning Strikes, December 04, 2020. This article explains different substation shielding techniques used to reduce the chance of and damage from direct lightning strikes. Direct lightning strikes to transmission lines or substations may damage the electrical equipment and threaten any nearby personnel. This article focusesContinue reading “Substation Shielding Methods for Lightning Strikes”
Power System Grounding: Understanding Lightning Strikes
Published by Lorenzo Mari, EE Power – Technical Articles: Power System Grounding: Understanding Lightning Strikes, November 13, 2020. Learn about the fundamentals of lightning strikes and the risk they pose for electric power systems and operator safety. Lightning is an electrical discharge of the accumulation of electrostatic electricity from cloud to cloud, within a cloud, orContinue reading “Power System Grounding: Understanding Lightning Strikes”
Overvoltage Induced in Overhead Power Lines by nearby Lightning Stroke
Published by Grzegorz MASŁOWSKI, Robert ZIEMBA, Tomasz KOSSOWSKI,Rzeszow University of Technology Abstract. The results of simulations of overvoltages induced in the overhead transmission line, caused by nearby lightning stroke are presented. Calculations were made using the LIOV module implemented in the EMTP-RV program. The influence of the distance of the lightning channel from the lineContinue reading “Overvoltage Induced in Overhead Power Lines by nearby Lightning Stroke”
Understanding the Interaction between Lightning and Power Transmission Lines
Published by Lorenzo Mari, EE Power – Technical Articles: Understanding the Interaction between Lightning and Power Transmission Lines, November 21, 2020. Learn about the impact lightning strikes have on transmission lines and proper grounding’s role in lowering the chances of irreversible damage to a power system. Lightning disturbances are usually a significant issue for transmissionContinue reading “Understanding the Interaction between Lightning and Power Transmission Lines”
The Basics of Grounding Electrical Systems
Published by Lorenzo Mari, EE Power – Technical Articles: The Basics of Grounding Electrical Systems, April 10, 2020. This article breaks down the complexities found in the fundamental field of grounding for the correct, faultless operation of electrical systems. Grounding, or earthing, is a fundamental topic for the correct operation of electrical systems and devices. However,Continue reading “The Basics of Grounding Electrical Systems”
Analysis of Lightning Current Distribution in the Lightning Protection System (LPS) with using Numerical Simulations
Published by Konrad SOBOLEWSKI, Warsaw University of Technology Abstract. The paper describes the numerical model of a typical lightning protection system (LPS). This model was used to get information’s about lightning current distributions as an effect of direct lightning strike to this protection system. To perform this task was chosen software MATLAB/SIMULINK. With this toolContinue reading “Analysis of Lightning Current Distribution in the Lightning Protection System (LPS) with using Numerical Simulations”
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