Power Factor Correction

Published by Electrotek Concepts, Inc., PQSoft Case Study: Power Factor Correction, Document ID: PQS0312, Date: April 16, 2003. Abstract: Low power factor because it means that you are using the facility’s electrical system inefficiently. It can also cause equipment overloads, low voltage conditions, and greater line losses. Most importantly, low power factor can increase totalContinue reading “Power Factor Correction”

Power Quality Issues in Smart Grid Environment – Serbian Case Studies

Published by ALEKSANDAR JANJIĆ, Department of renewable energy sources, R&D Center “Alfatec” Ltd. Bul. Nikole Tesle 63/5,18000 Niš, SERBIA, aleksandar.janjic@alfatec.rs ZORAN P. STAJIĆ, Faculty of Electronic Engineering, University of Niš, Aleksandra Medvedeva 14, 18000 Niš, SERBIA, zoran.stajic@alfatec.rs IVAN RADOVIĆ, ED “Elektrošumadija” Kragujevac, ED “Centar” d.o.o. Kragujevac, Slobode 7, 34000 Kragujevac, SERBIA, ivan.radovic@eskg.rs Abstract: – TheContinue reading “Power Quality Issues in Smart Grid Environment – Serbian Case Studies”

General Reference – Power Factor Correction

Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Power Factor Correction, Document ID: PQS0311, Date: April 16, 2003. Abstract: Simply stated, power factor is a measurement of how efficiently a facility uses electrical energy. A high power factor means that electrical power is being utilized effectively, while a low power factor indicates poorContinue reading “General Reference – Power Factor Correction”

A guide: Nuclear power in Ukraine

Published by World Nuclear News (WNN), 24th February 2022.Website: world-nuclear-news.org With the attention of the world focused on events in Ukraine, one of the questions people are asking is about the country’s nuclear power industry. Here is a brief overview. How big is Ukraine’s nuclear power industry? Ukraine is heavily dependent on nuclear energy, withContinue reading “A guide: Nuclear power in Ukraine”

K-factor & Transformers

Published by Pacific Crest Transformers, 300 West Antelope Road – Medford, Oregon 97503 Tel : (541) 826 – 2113 Fax : (541) 826 – 8847. March, 2015. Transformers serving heavy nonlinear loads are subject to increased winding temperatures due to the harmonic currents generated by those loads. This overheating can result in a shortened serviceContinue reading “K-factor & Transformers”

Electric Arc Furnace Flicker and Harmonic Control

Published by Electrotek Concepts, Inc., PQSoft Case Study: Electric Arc Furnace Flicker and Harmonic Control, Document ID: PQS0314, Date: April 16, 2003. Abstract: A steel manufacturer plans to construct an electric arc furnace-based steel making facility using a thin slab casting machine directly coupled to a hot strip rolling mill. The planned melt shop contains twoContinue reading “Electric Arc Furnace Flicker and Harmonic Control”

Where to Go For Help

Published by CEA Technologies Inc. (CEATI), POWER QUALITY Energy Efficiency Reference Guide, Chapter 5 – Where to Go For Help. Web Resources IEEE Standards Information Home of the IEEE standards; in particular 446; 519; 1100 (“The Emerald Book”, considered the key IEEE reference on power quality); 1159; 1250 and 1346. Copper.org A site by theContinue reading “Where to Go For Help”

Electric Arc Furnace Modeling for Voltage Flicker Evaluation

Published by Electrotek Concepts, Inc., PQSoft Case Study: Electric Arc Furnace Modeling for Voltage Flicker Evaluation, Document ID: PQS0313, Date: April 16, 2003. Abstract: A steel manufacturer is planning to add a second arc furnace to their existing facility. Concerns are raised as to whether the additional furnace will cause levels of voltage flicker that mightContinue reading “Electric Arc Furnace Modeling for Voltage Flicker Evaluation”

Solving and Mitigating Electrical Power Problems

Published by CEA Technologies Inc. (CEATI), POWER QUALITY Energy Efficiency Reference Guide, Chapter 4 – Solving and Mitigating Electrical Power Problems. 4.1 Identifying the Root Cause and Assessing Symptoms Power quality technologists employ technical instrumentation. This instrumentation can range from simple digital multi-metering through to sophisticated waveform analysis instruments. True power quality monitoring requires full-timeContinue reading “Solving and Mitigating Electrical Power Problems”

Wind Plant Voltage Flicker Data Analysis

Published by Electrotek Concepts, Inc., PQSoft Case Study: Wind Plant Voltage Flicker Data Analysis, Document ID: PQS1202, Date: January 26, 2012. Abstract: This case study presents the results for a wind plant voltage flicker data analysis. The characteristics of voltage flicker are mainly determined by load characteristics and the short-circuit capacity. The wind plant substationContinue reading “Wind Plant Voltage Flicker Data Analysis”