Published by Bashar M. SALIH, Mohammed A. IBRAHIM, Ali N. HAMOODI, Northern Technical University Abstract. This paper represents the differential protection relay that used to protect the prototype-Terco power transformer. Matlab/Simulink is used to simulate the protection system. The power differential protection algorithm has been simulated and tested on a 2KVA power transformer under differentContinue reading “Differential Relay Protection for Prototype Transformer”
Tag Archives: Safety/Protection
Residual Current Devices in Installations with PV Energy Sources
Published by Stanislaw CZAPP, Gdańsk University of Technology. ORCID: 0000-0002-1341-8276 Abstract. The paper presents the principles of residual current devices (RCDs) application in photovoltaic (PV) installations. Provisions of standards in this regard are commented on, in particular, attention is drawn to the lack of obligation to use of RCDs in PV installations. The issue ofContinue reading “Residual Current Devices in Installations with PV Energy Sources”
The Effect of Cable Duct Diameter on the Ampacity of High-Voltage Power Cables
Published by Filip RATKOWSKI1,2, Michał KOŁTUN2, Stanislaw CZAPP1, Gdańsk University of Technology (1), Eltel Networks Energetyka SA (2). ORCID: 1. 0000-0002-4698-9729, 3. 0000-0002-1341-8276 Abstract. The ampacity of power cables depends, among others, on the conditions of heat dissipation from the cable to the environment. Cables are usually laid directly in the ground, but in someContinue reading “The Effect of Cable Duct Diameter on the Ampacity of High-Voltage Power Cables”
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”
Negative Sequence Current as a Breaker Failure Protection for Medium Voltage Grids
Published by 1. Tomáš ŠKUMÁT1, 2. Žaneta ELESCHOVÁ2,Západoslovenská distribučná, a. s. (1). Slovak University of Technology in Bratislava (2)ORCID. 2. 0000-0002-7596-108X Abstract. This paper focuses on situations in Medium Voltage (MV) grids where a feeder´s breaker failure occurred. This type of fault is quite severe but well handled in higher voltage systems (high voltage, extraContinue reading “Negative Sequence Current as a Breaker Failure Protection for Medium Voltage Grids”
Transformer Inspection and Testing
Published by Alex Roderick, EE Power – Technical Articles: Transformer Inspection and Testing, December 17, 2021. Installing a transformer is more than just connecting the wires, according to the wiring diagram. The first part of the installation process includes an initial inspection and testing of the transformer when it is received from the factory or warehouse.Continue reading “Transformer Inspection and Testing”
Voltage withstand Tests and PD Measurements on Cable Accessories with Assembly Mistakes
Published by Maciej OWSIŃSKI1, Paweł KLUGE1, Andrzej ŁASICA2, Przemysław SUL2, Tomasz SALAK2, Bartosz ZAJĄC2, Institute of Power Engineering (1), Warsaw University of Technology (2) Abstract. The paper presents the results of voltage withstand tests and partial discharges measurements made on MV cable accessories made with assembly errors. The tested equipment was subjected to tests developedContinue reading “Voltage withstand Tests and PD Measurements on Cable Accessories with Assembly Mistakes”
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”
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”
Energy Storage Systems in Electrified Transportation
Published by Anushree Ramanath, EE Power – Technical Articles: Energy Storage Systems in Electrified Transportation, November 08, 2021. This article explains how battery packs utilize an energy management system for protection, control, and estimation. Electrification is the most promising solution to enable a more sustainable and environmentally friendly transportation system. Traditionally, electrical energy storage forContinue reading “Energy Storage Systems in Electrified Transportation”
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