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”
Tag Archives: Safety/Protection
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”
Enclosure-Less Six-Phase Induction Motor
Published by Maciej GWOZDZIEWICZ1, Piotr KISIELEWSKI2, Wroclaw University of Science and Technology (1), KISIELEWSKI Sp. z o.o. (2) Abstract. The papers deals with six-phase 2 kW 2-pole induction motor without enclosure. The motor is made of laser-cut construction steel , electrical steel and copper sheets. Shaft, two flange cartridge bearing units are machined by theContinue reading “Enclosure-Less Six-Phase Induction Motor”
Resource-Saving Protection of Powerful Electric Motors
Published by Mark KLETSEL1, Abdulla KALTAYEV2, Bauyrzhan MASHRAPOV2,National Research Tomsk Polytechnic University (1), Pavlodar State University (2) Abstract.The article presents the disadvantages of traditional and some new electric protections of powerful electric motors. It is proposed to eliminate these drawbacks by constructing phase-sensitive protection that does not use current transformers, with a majority circuit andContinue reading “Resource-Saving Protection of Powerful Electric Motors”
The New Design of the Vacuum Circuit Breaker Mounted on the Roof of Electric Traction Units
Published by Piotr BORKOWSKI1, Łukasz NOWAK1, Stanisław SZYMAŃSKI2,Department of Electrical Apparatus of the Technical University of Lodz(1), Factory of Electrical Apparatus Woltan(2) Abstract. This article presents the research on new design of a vacuum breaker type DCU-800M mounted on the roof of Electric Traction Units. The impact of one circuit breaker on another one wasContinue reading “The New Design of the Vacuum Circuit Breaker Mounted on the Roof of Electric Traction Units”
Dissecting Electric Motor Malfunctions
Published by Alex Roderick, EE Power – Technical Articles: Dissecting Electric Motor Malfunctions, October 20, 2021. Learn about the important electric motor parameters, such as voltage rating, acceleration time, overcycling, and insulation resistance, that should be taken into account to avoid electric motor malfunctions. Electric motors are designed and sized to operate in HVAC systems forContinue reading “Dissecting Electric Motor Malfunctions”
Troubleshooting Electric Motor Power Circuits
Published by Alex Roderick, EE Power – Technical Articles: Troubleshooting Electric Motor Power Circuits, October 15, 2021. The two major parts of a motor circuit are the motor power circuit and the motor control circuit. Learn some basic troubleshooting tips for these kinds of motor circuits. A motor power circuit is the section of an electricalContinue reading “Troubleshooting Electric Motor Power Circuits”
Safety Standards for Testing Instruments
Published by Alex Roderick, EE Power – Technical Articles: Safety Standards for Testing Instruments, November 24, 2021. IEC standards reduce safety hazards that can occur from unpredictable circumstances when using electrical test equipment such as test instruments and meters. The International Electrotechnical Commission (IEC) is an organization that develops international safety standards for electrical equipment. TheContinue reading “Safety Standards for Testing Instruments”
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