Published by Mohd Zamri Che Wanik1, Mohd FadzilMohd Siam1, Afida Ayob2, Subiyanto2, Azah Mohamed2, Abu HanifahAzit3, SaharuddinSulaiman3, Mohamed Azrin Mohamed Ali4, Zahrul Faizi Hussein1, Ahmad Kamil MatHussin1, 1TNB Research Malaysia, Malaysia, 2Power System Research Group, Universiti Kebangsaan Malaysia, Malaysia, 3TNB Distribution Malaysia, Malaysia, 4Malaysian Green Technology Corporation, Bandar BaruBangi, Malaysia. Email: mzamri@tnbr.com.my ABSTRACT This paperContinue reading “Harmonic Measurement and Analysis during Electric Vehicle Charging”
Category Archives: Power Quality
A Review of the Harmonic and Unbalance Effects in Electrical Distribution Networks due to EV Charging
Published by Lauri Kütt, Eero Saarijärvi, Matti Lehtonen, Department of Electrical Engineering Aalto University School of Electrical Engineering, Espoo, Finland. lauri.kutt@aalto.fi, eero.saarijarvi@aalto.fiHeigo Mõlder, Jaan Niitsoo, Department of Electrical Engineering, Tallinn University of Technology Tallinn, Estonia Abstract—For wide use of electric vehicles (EVs), there are different aspects of the electric power system to consider for makingContinue reading “A Review of the Harmonic and Unbalance Effects in Electrical Distribution Networks due to EV Charging”
Power Quality — Basics Commercial Buildings
Published by HSB, Power quality — basics Commercial property, One State Street P.O. Box 5024 Hartford, CT 06102-5024 Tel: (800) 472-1866. Website: HSB.com Introduction Power quality is a general term used to describe the compatibility between connected equipment and its electrical supply. The supply system can be affected by changes to the frequency or amplitudeContinue reading “Power Quality — Basics Commercial Buildings”
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”
Improving the Charging Technology for Electric Vehicles
Published by Peter Lutter, EE Power – Technical Articles: Improving the Charging Technology for Electric Vehicles, September 26, 2018. This article discusses the concept of universal inductive energy transmission and its possible applications and implications. With the development of a universal inductive charging system, Finepower GmbH near Munich underpins its leading position in power electronics andContinue reading “Improving the Charging Technology for Electric Vehicles”
Introduction to Energy Meter Calibration
Published by Simon Mugo, EE Power – Technical Articles: Introduction to Energy Meter Calibration, November 04, 2022. This article will guide engineers and technicians through procedures, precautions, and the importance of carrying out electrical energy meter calibration. All electrical and electronic measuring equipment is prone to errors caused by external or internal factors. The errors can be removedContinue reading “Introduction to Energy Meter Calibration”
Specifics of Hydropower Plant Management in Isolated Power Systems
Published by Sherkhon SULTONOV1 , Murodbek SAFARALIEV2 , Sergey KOKIN2 , Stepan DMITRIEV2 , Inga ZICMANE3 , Shokhin DZHURAEV1,4 Tajik Technical University, Tajikistan(1), Ural Federal University (2), Riga Technical University, Latvia (3), Branch of the National Research University ‘Moscow Power Engineering Institute’ in Dushanbe City (4)ORCID: 1. 0000-0003-2322-5272; 2. 0000-0003-3433-9742; 3. 0000-0001-7493-172X; 4. 0000-0001-8781-2383; 5.Continue reading “Specifics of Hydropower Plant Management in Isolated Power Systems”
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”
6 Techniques for Controlling Harmonic Distortion
Published by Simon Mugo, EE Power – Technical Articles: 6 Techniques for Controlling Harmonic Distortion, May 15, 2023. Harmonics–currents or voltages at a multiple of the power systems’ fundamental frequencies– originate from non-linear loads in power systems. This article will introduce six techniques necessary to reduce harmonic distortion. The earliest method of controlling problems associated withContinue reading “6 Techniques for Controlling Harmonic Distortion”
Combining Waveforms in a Power System to Cancel Harmonic Components
Published by Alex Roderick, EE Power – Technical Articles: Combining Waveforms in a Power System to Cancel Harmonic Components, August 23, 2021. Harmonics can cause transformers to fail, motors to burn out, circuit breakers to trip (nuisance tripping), and neutral conductors and other parts of a power distribution system to overheat. Severe overheating leads to electricalContinue reading “Combining Waveforms in a Power System to Cancel Harmonic Components”
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