General Reference – Power Quality Glossary

Published by Electrotek Concepts, Inc., PQSoft Case Study: General Reference – Power Quality Glossary, Document ID: PQS0305, January 27, 2003. Abstract: The document provides a glossary of terms related to power quality analysis and measurements. POWER QUALITY GLOSSARY Glossary Active Filter:A power electronics-based device configured with controls to provide cancellation of harmonic current components createdContinue reading “General Reference – Power Quality Glossary”

Harmonics & Waveform Measurements Low Pass Filter & Sine Wave Filter for a 460V 100HP AC Motor with VFD

Published by Dranetz™ Technologies, Inc., Case Study, Website: dranetz.com. This case study was submitted by Ing. Leopoldo Martínez Basulto, Dranetz México. INTRODUCTION Harmonics are an important PQ issue today. Variable Frequency Drives (VFD), Uninterruptible Power Systems (UPS), computers, LED lighting, electronic ballasts, etc. are widely used in all kinds of facilities. It is well knownContinue reading “Harmonics & Waveform Measurements Low Pass Filter & Sine Wave Filter for a 460V 100HP AC Motor with VFD”

Placement and Sizing Optimization for DER Based on Single Phase Wind Turbine Generator in Distribution System Using HPSO

Published by Miss Panaya Sudta, Customer Relation Division, Provincial Electricity Authority, Email: nica_pny@hotmail.com Prof. Weerakorn Ongsakul, Energy Field of Study (FoS) of SERD, Asian Institute of Technology, Email: ongsakul@gmail.com Mr.Patiphan Thupphae, Energy Field of Study (FoS) of SERD, Asian Institute of Technology, Email: sunpatiparn@gmail.com Mr. Wichian Khumwong, Customer Relation Division, Provincial Electricity Authority, Email: wichian.k@gmail.comcomContinue reading “Placement and Sizing Optimization for DER Based on Single Phase Wind Turbine Generator in Distribution System Using HPSO”

The Smart on-field Meter Accuracy Investigation System for PEA 4.0

Published by Mr.Chitchai Srithapon, Customer Service Division, Provincial Electricity Authority, Email: chichai.sri@pea.co.th Mr.Pichai Thaniwan, Customer Service Division, Provincial Electricity Authority, Email: phichi.tha08@gmail.com Mr.Weerachat Khuleedee, Customer Service Division, Provincial Electricity Authority, Email: weerachat_ee35@hotmail.com Mr.Wacharapong Rakapong, Information System Division, Provincial Electricity Authority, Email: nidpea@gmail.com Published in PEACON & INNOVATION 2018 “PEA4.0 : Road to Digital Utility” 24th–Continue reading “The Smart on-field Meter Accuracy Investigation System for PEA 4.0”

Case Studies of Harmonic Problems, Analysis, & Solutions on Transmission Systems

Published by David Mueller, Manager, Power System Studies, Electrotek Concepts Inc., Knoxville, Tennessee, USA Email: dmueller@electrotek.com Published in: 2007 9th International Conference on Electrical Power Quality and Utilisation Abstract Transmission systems around the world are increasingly applying capacitor banks on their transmission systems, primarily to support transmission systems and avoid voltage collapse issues leading toContinue reading “Case Studies of Harmonic Problems, Analysis, & Solutions on Transmission Systems”

2013 Cost of Data Center Outages

Published by Ponemon Institute LLC, December 2013. Ponemon Institute© Research Report is Sponsored by Emerson Network Power. Part 1. Executive Summary Ponemon Institute and Emerson Network Power are pleased to present the results of the 2013 Cost of Data Center Outages. First conducted in 2010, the purpose of this benchmark study is to determine theContinue reading “2013 Cost of Data Center Outages”