Author Archives: PQBlog

Transient Issues Related to Power Factor Correction

Published by Electrotek Concepts, Inc., PQSoft Case Study: Transient Issues Related to Power Factor Correction, Document ID: PQS0605, Date: April 1, 2006. Abstract: Power factor correction is an important facet of power quality. Capacitors may be installed on customer systems to minimize charges for poor power factor on their electric bill. These installations may create problemsContinue reading “Transient Issues Related to Power Factor Correction”

Power Factor Correction and Harmonic Control for dc Drive Loads

Published by Electrotek Concepts, Inc., PQSoft Case Study: Power Factor Correction and Harmonic Control for dc Drive Loads, Document ID: PQS0410, Date: December 31, 2004. Abstract: This case history describes the design of power factor correction and harmonic control equipment for loads at a plastic film manufacturing plant. Measurements were performed to characterize the harmonic generationContinue reading “Power Factor Correction and Harmonic Control for dc Drive Loads”

Wind Turbine Operation in Power Systems & Grid Connection Requirements

Published by K. B. Mohd. Umar Ansari1, Manjeet Singh2, Sandeep Kumar3 B.E (EEE), M.Tech (Electrical Power & Energy Systems), Ex- Engineer – GET, Tata Motors Pvt. Ltd., Sector 11,Udham Singh Nagar, Pantnagar, UK, India. 1B.Tech (EN), Ex-Electrical Engineer, Flowmore Limited, Sahibabad, Ghaziabad, U.P., India2B.Tech (EE), M.Tech (Power Systems*), Lecturer, Department of Electrical Engg, Sri RamSwaroopContinue reading “Wind Turbine Operation in Power Systems & Grid Connection Requirements”

Flywheel Size Design Considerations and Experimental Verification Using a 50-kW System for Voltage Sag Compensator with Flywheel Induction Motor

Published by Shuhei Kato, Miao-miao Cheng, Hideo Sumitani and Ryuichi Shimada,Integrated Research Institute, Tokyo Institute of Technology, Japan SUMMARY Flywheel energy storage systems can be used as an uninterrupted power supply system because they are environmentally friendly and have high durability. The use of a simple voltage sag compensator with a low-speed heavy flywheel andContinue reading “Flywheel Size Design Considerations and Experimental Verification Using a 50-kW System for Voltage Sag Compensator with Flywheel Induction Motor”

Supraharmonics–The Next Big PQ Concern

Published by Mirus International Inc., Harmonic and Energy Saving Solutions: Supraharmonics–The Next Big PQ Concern, Sept. 2020 Mirus International Inc., 31 Sun Pac Blvd., Brampton, Ontario, CanadaL6S 5P6, Tel: (905) 494-1120, Fax: (905) 494-1140, Toll Free: 1-888 TO MIRUS (1-888-866-4787), Website: http://www.mirusinternational.com, E-mail: mirus@mirusinternational.com

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”