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: Surge Arrester
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”
Extra High Voltage Transmission Line Lightening Protection using Surge Arrester
Published by Ali HAMOODI, Rasha MOHAMMED, Bashar SALIH, Northern Technical University, Engineering technical college Abstract. The objective of this work was to protect the transmission line (T.L.) from the lightning effect. In the last decades, several methodologies have been employed for the rise of lightning performance on the T.L Lightning with high values of currentContinue reading “Extra High Voltage Transmission Line Lightening Protection using Surge Arrester”
An Analysis of Power Quality Problems and its Mitigation
Published by Shafqat Mughal, Neeten Sharma, Pankhuri Kishore Abstract—Power Quality is a major concern of our modern industries and other consumers. Poor quality of supply will affect the performance of customer equipment such as computers, microprocessors adjustable speed drives, power electronic devices, life saving equipment in hospitals, etc. and result in heavy financial losses toContinue reading “An Analysis of Power Quality Problems and its Mitigation”
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”
Medium Voltage Switching Transient Induced Potential Transformer Failures; Prediction, Measurement and Practical Solutions
Published by Daniel McDermit1, David D. Shipp2, Thomas J. Dionise3, Visuth Lorch4,1Sr. Project Manager Turner Construction Company Chicago, IL2PE Eaton Electrical Group Power Systems Engineering Warrendale, PA Fellow, IEEE3PE Eaton Electrical Group Power Systems Engineering Warrendale, PA Senior Member, IEEE4Eaton Electrical Group Power Systems Engineering Warrendale, PA Abstract— During commissioning of a large data center,Continue reading “Medium Voltage Switching Transient Induced Potential Transformer Failures; Prediction, Measurement and Practical Solutions”
Influence of Environmental Exposures on Electrical Parameters of Low Voltage Surge Arresters
Published by Piotr PAJĄK1, Bartłomiej SZAFRANIAK1, Anna DĄDA2, AGH University of Science and Technology, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering (1), MGGP S.A., Krakow Branch (2) Abstract. Low voltage surge arresters work in a very different environmental conditions. During the exploitation, under the influence of environmental exposures, the structure of metalContinue reading “Influence of Environmental Exposures on Electrical Parameters of Low Voltage Surge Arresters”
Overvoltage Assessment of Point-to-Point VSC-Based HVDC Systems
Published by Jose A. JARDINI1, Ricardo L. VASQUEZ-ARNEZ2, Marcos T. BASSINI1, Marco A.B. HORITA1, Gerson Y. SAIKI2 and Marcos R. CAVALHEIRO3 Polytechnic School of the University of Sao Paulo (1), Foundation for the Technological Development of the Engineering Sciences (2), CTEEP Sao Paulo State Power Transmission Company (3). Abstract. The application of voltage source convertersContinue reading “Overvoltage Assessment of Point-to-Point VSC-Based HVDC Systems”
Types of Surge Arresters
Published by Lorenzo Mari, EE Power – Technical Articles: Types of Surge Arresters, December 18, 2020. Learn about the most common types of surge arresters used to protect against transient overvoltages and lightning strikes. Surge arresters introduce shunting resistance to the ground when a surge appears, absorbing energy from the surge without the voltage becoming excessive.Continue reading “Types of Surge Arresters”
Substation Protection Against Transient Overvoltages and Lightning Strikes
Published by Lorenzo Mari, EE Power – Technical Articles: Substation Protection Against Transient Overvoltages and Lightning Strikes, December 11, 2020. Learn how surge arresters protect power substations against lightning and switching overvoltages. Transient overvoltages are typical of power systems. The sources of overvoltages are direct or nearby lightning strikes, switching operations, electromagnetic pulses, and electrostatic discharges.Continue reading “Substation Protection Against Transient Overvoltages and Lightning Strikes”
Power Quality Blog 