Yearly Archives: 2021

Encore Series UPS Monitoring

Application Note WHERE EVERY MILLISECOND COUNTS! The digital economy has redefined business operations and is setting new standards for electric power reliability and quality. Downtime – undesirable for any business – is catastrophic for Data Centers and other high reliability facilities where even the smallest power quality issue can cause equipment failure, data corruption, andContinue reading “Encore Series UPS Monitoring”

A Comprehensive Review of Power Quality Issues & Measurement for Grid-integrated Wind Turbines

Published by Ahmed F. Zobaa and Ibrahim Ahmed, Department of Electronic and Computer Engineering, Brunel University London, Uxbridge, UB8 3PH, UK. Shady H.E. Abdel Aleem, Mathematical and Physical Sciences, 15th of May Higher Institute of Engineering, Cairo, Egypt. Journal Article: Recent Advances in Electrical & Electronic Engineering, 2019, 12, 210-222 (Volume 12, Issue 3 ,2019)Continue reading “A Comprehensive Review of Power Quality Issues & Measurement for Grid-integrated Wind Turbines”

Power Quality – A Worldwide Problem

Published by Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. January, 2001 E-mail: terryc@powerquality.org, terryc@powerquality.co.th What is Power Quality? The characteristics of the supply voltage and the electrical system that affect the performance of the load. The characteristics of the load that affect the electrical system or other loads. ITIC Curve CBEMA Curve Power QualityContinue reading “Power Quality – A Worldwide Problem”

Evaluating Rapid Voltage Changes & its Propagation Effect using Multipoint Measurement Technique

Published by Muhammad Imam Sudrajat, University of Twente Enschede, The Netherlands, Indonesian Institute of Sciences, South Tangerang, Indonesia    m.i.sudrajat@utwente.nl Niek Moonen, University of Twente Enschede, The Netherlands niek.moonen@utwente.nl Hans Bergsma, Thales Nederland B.V. Hengelo, The Netherlands hans.bergsma@nl.thalesgroup.com Rob Bijman, Thales Nederland B.V. Hengelo, The Netherlands rob.bijman@nl.thalesgroup.com Frank Leferink, University of Twente Enschede, The NetherlandsContinue reading “Evaluating Rapid Voltage Changes & its Propagation Effect using Multipoint Measurement Technique”

PQ Monitoring Standards – What You Need To Know

DESCRIPTION There’s an age-old problem in the Power Quality (PQ) monitoring industry – measure the same circuit with instruments from different manufactures at the same time, and you could get different results! Which one do you believe? Do you trust any of them? There have been electrical energy monitoring standards for many years that defineContinue reading “PQ Monitoring Standards – What You Need To Know”

Voltage Tolerance Boundary

Published by Pacific Gas and Electric Company (PG&E), January 1999. The only national standard for utilization voltage regulation is ANSI C84.1. Its title is American National Standard for Electric Power Systems and Equipment – Voltage Ratings (60 Hertz). The first version in 1954 was a combination of two standards, one from the Edison Electric InstituteContinue reading “Voltage Tolerance Boundary”

Interpretation & Analysis of Power Quality Measurements

Published by Christopher J. Melhorn, Electrotek Concepts, Inc. Knoxville, Tennessee Mark F. McGranaghan, Electrotek Concepts, Inc. Knoxville, Tennessee ABSTRACT This paper describes advances in power quality monitoring equipment and software tools for analyzing power quality measurement results. Power quality monitoring has advanced from strictly problem solving to ongoing monitoring of system performance. The increased amountContinue reading “Interpretation & Analysis of Power Quality Measurements”

Simple Rules for Solving Power Quality Mysteries

Published by Richard P. Bingham, Dranetz Technologies, Inc., USA Prepared for the Conference on Protecting Electrical Networks and Quality of Supply, Heathrow, UK, 22-23 January 1997 ABSTRACT The typical power quality problem starts with a frantic call to the facility’s engineer or electric shop supervisor concerning some malfunction that has either shut down production orContinue reading “Simple Rules for Solving Power Quality Mysteries”