PQBlog

Part 3 Power Quality: Definition and Discussion

Published by John D. Kueck and Brendan J. Kirby, Oak Ridge National Laboratory Philip N. Overholt, U.S. Department of Energy Lawrence C. Markel, Sentech, Inc. Published in Measurement Practices for Reliability and Power Quality: A Toolkit of Reliability Measurement Practices, 2004 Prepared by Oak Ridge National Laboratory Oak Ridge, Tennessee 37831-6285 managed by UT-BATTELLE, LLCContinue reading “Part 3 Power Quality: Definition and Discussion”

Part 2 Reliability: Definition and Discussion

Part 1: Introduction and Discussion of the Measurement “Toolkit”

EMI Measurements: Methodology and Techniques

Published by Vladimir Kraz, OnFILTER, Inc. 3601-B Soquel, CA 95073 USA, Tel. +1-831-824-4052, Email: vkraz@onfilter.com Abstract This paper describes some aspects of methodology, instrumentation and techniques of measuring high-frequency electrical noise (EMI) in electronic manufacturing environment. High frequency measurements are quite different from typical ESD-related measurements which this paper explores. Introduction High-frequency noise (often, albeitContinue reading “EMI Measurements: Methodology and Techniques”

Survey on Assessment of Power Quality Cost in Shanghai China

Published by Qing Zhong1, Wei Huang2, Shun Tao3, and Xiangning Xiao4 Abstract Power quality (PQ) issues cause a lot economic loss. It is very helpful for the governmental decisions of the PQ policies and supervisions to know the PQ loss from macroscopical aspects. This paper presents the procedure and some interesting findings of the surveyContinue reading “Survey on Assessment of Power Quality Cost in Shanghai China”

DC Current Sensors for Revenue-Grade Metering

Published by J&D is a world leader for high technology, high-performance current sensor that perfectly meet the needs of the metering sector. Email support@hqsensing.com Published in SMART ENERGY INTERNATIONAL ISSUE – 5 | 2018 A recent report by the US Electric Power Research Institute (EPRI) predicts that by 2020, the DC distribution market will accountContinue reading “DC Current Sensors for Revenue-Grade Metering”

Electric Power Quality and Commercial Losses in Power Distribution Networks

Published by A. Lipsky, N. Miteva, and E. Lokshin, Department of Electrical and Electronic Engineering, Ariel University Center of Samaria, Israel

Existence of Electrical Pollution

Published by Puneet Chawla, Assistant Professor, Electrical Eng. Department, Ch. Devi Lal State Institute of Eng. & Tech., Panniwala Mota (Sirsa) Rajni Bala, Lecturer, Electrical Eng. Department, Ch. Devi Lal State Institute of Eng. & Tech., Panniwala Mota (Sirsa) ABSTRACT Power Quality is deteriorating continuously in developed countries. Poor power quality, also known as dirtyContinue reading “Existence of Electrical Pollution”

Power Quality Work at the International Electrotechnical Commission

Published by Franyois Martzloff, National Institute of Standards and Technology*, Gaithersburg MD 20899 USA *Electricity Division, Electronics and Electrical Engineering Laboratory, Technology Administration, US. Department of Commerce. Abstract The paper presents an update, including a brief historical background, on the work to be undertaken at the International Electrotechnical Commission (IEC) to address power quality issues.Continue reading “Power Quality Work at the International Electrotechnical Commission”

Bruce’s Laws of PQ Problem Solving

Published by Bruce Lonie, President, POWERetc Corporation, 3350 Scott Blvd., Bldg 55 Unit 1 Santa Clara, CA 95054 USA, (408) 540-3199 | m (408) 666-6500, Email: BruceL@POWERetc.com | Website: http://www.POWERetc.com 1.Do the simple things first. 2.There is always more than one problem. There are always more than one or two problems, keep looking and youContinue reading “Bruce’s Laws of PQ Problem Solving”