Published by Marcin KOPYT, Warsaw University of Technology, Electrical Power Engineering Institute Abstract. Electricity demand predictions are one of the most important tools used for Power System work planning. However, a departure from traditional solutions seems to be inevitable in the light of ever-increasing RES share. This paper is the second of a two-part extensiveContinue reading “Power Flow Forecasts: A Status Quo Review. Part 2: Electricity Demand and Power Flow Prediction”
Category Archives: Power Quality
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”
Electric Power Quality Measurement
Published by Alessandro Ferrero, Dipartimento di Elettrotecnica – Politecnico di Milano – Piazza Leonardo da Vinci 32 – 20133 Milano – Italy Abstract – The proliferation of non-linear and time-variant loads is causing a number of disturbances on the electric network, from a more and more significant distortion of both currents and voltages, to transientContinue reading “Electric Power Quality Measurement”
Electric Power Quality Evaluation in the Presence of Electromagnetic Emissions
Published by Giovanni Cipriani, Rosario Miceli, Member, IEEE, Ciro Spataro Member, IEEE DEIM University of Palermo Palermo, Italy rosario.miceli@unipa.it; ciro.spataro@unipa.it , Giovanni Tinè, Member, IEEE ISSIA National Council of Research (CNR) Palermo, Italy Abstract— The measurements for the assessment of the electric power quality are often carried out in hostile electromagnetic environments. The aim ofContinue reading “Electric Power Quality Evaluation in the Presence of Electromagnetic Emissions”
Transformer Losses and Efficiency
Published by Alex Roderick, EE Power – Technical Articles: Transformer Losses and Efficiency, June 16, 2021 In this article we will learn about the four main types of transformer losses and calculations for finding the efficiency of a transformer. Transformers, like all devices, are not perfect. While ideal transformers do not have losses, real transformers haveContinue reading “Transformer Losses and Efficiency”
Power Quality Issues and It’s Mitigation Techniques
Published by Tejashree G. More, Pooja R. Asabe,Prof. Sandeep Chawda, (Department of Electrical Engineering, Bhivarabai Sawant Institude Of Technology and Research(w), Wagholi, Pune, India) ABSTRACT In this paper the main power quality (PQ) problems are presented with there associated causes and consequences. The economic impact associated with PQ are characterized. Also this paper tries toContinue reading “Power Quality Issues and It’s Mitigation Techniques”
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”
Transformer Maintenance: Planning for Failure
Published by Ahmed Sheikh, EE Power – Technical Articles: Transformer Maintenance: Planning for Failure, September 26, 2023. This article examines transformer maintenance, including simple checks involving temperature and sound that indicate potential issues, maintenance procedures for energized and de-energized dry transformers, and assessments for energized liquid-cooled transformers. Because transformers are so reliable and most of theirContinue reading “Transformer Maintenance: Planning for Failure”
Frequency Control in a Power System
Published by Pietro Tumino, EE Power – Technical Articles: Frequency Control in a Power System, October 15, 2020. Learn about the primary, secondary and tertiary frequency control in a power system. An electric power system is characterized by two main important parameters: voltage and frequency. In order to keep the expected operating conditions and supply energyContinue reading “Frequency Control in a Power System”
Various and Sundry PQ Ruminations
Published by Bill William Howe, Sr. Program Manager, Power Quality, Electric Power Research Institute (EPRI), USA. Email: BHowe@epri.com Presented at 21st Annual PQSynergyTM International Conference & Exhibition, Sept 18th – 19th 2023. Mövenpick Hotel Sukhumvit 15 Bangkok, Thailand. Website: pqsynergy.com Author: Bill Howe, Sr. Program Manager, Power Quality, Electric Power Research Institute (EPRI), USA. Email: BHowe@epri.com Bill Howe is the Program Manager for PowerContinue reading “Various and Sundry PQ Ruminations”