Application note for the Dranetz automatic characterizer in HDPQ portable instruments. Overview The RMS variation characterizer analyzes cyclic records saved in the database and determines which of those records constitute an event based on a selected criterion. The result is a database record that contains the description of the event, detail of the event, andContinue reading “IEC Characterize Events Overview”
Author Archives: PQBlog
Effect of Harmonics from DC Arc Furnace on 115kV Capacitor
Published by Phongphat Waraphok, Provincial Electricity Authority (PEA), Thailand.
The Challenges of Harmonic Measurements to Identify the Source of Harmonic Distortion in a Network
Published by Terry Chandler, A Power Quality Practitioner ™ for 30 years, Director of Engineering Power Quality Thailand LTD/Power Quality Inc. USA,Consultant for Dranetz Corporation USA (Asia business unit General manager) Harmonics defined by multiple standards around the world. IEC 61000-4-7 Class I defines harmonics and how to measure them. IEEE 519-2014 defines harmonic limits.Continue reading “The Challenges of Harmonic Measurements to Identify the Source of Harmonic Distortion in a Network”
Power Quality Causes & Effects with Biomass Power Plant
Published by Danaisak Tangsakha, Provincial Electricity Authority (PEA), Thailand.
Solar Plant in Thailand & its Impact on Power Quality
Published by Panida Boonyaritdachochai, Power Quality Engineer, Power Quality (Thailand) Co., Ltd.
The Study of Medium Voltage Source Change Effect to Voltage Sag in Low Voltage Customer in Distribution System
Published by Nat Songkram, Power Quality Section, Provincial Electricity Authority (PEA), Thailand.
Energy Usage Report for A Small Office Facility
Published by Thaweesak Aranchot, Electrical Engineer, Power Quality (Thailand) Co., Ltd. Plan Measure actual usage of each load for recording a consumption. Then determine a way to reduce the usage without impacting a business efficiency Investigate the actual data comparing with Electricity bill Introduction The energy consumption at PQT was studied to determine\how much energyContinue reading “Energy Usage Report for A Small Office Facility”
Electric Vehicle Charger
Published by Terry Chandler, Director of Engineer, Power Quality Inc. Power Quality study for EV charger post• Manufacturer of EV has experienced several internal battery charger failures in new EV’s• 2 sites, 1 in Arizona USA, 1 in Seoul, Korea. The plan for USA site and Korea site• Monitor the voltage quality supplying the chargerContinue reading “Electric Vehicle Charger”
PQSynergy™ Papers 2019
PQSynergy™ is an international forum to share experiences, requirements, questions, information, customer requirements, problems and solutions in the fast growth area of quality of supply requirements of sensitive loads, energy conservation and management and power quality monitoring and solutions. For more information, you can visit the website: www.pqsynergy.com View and download papers: PQSynergy™ Papers Publishers AContinue reading “PQSynergy™ Papers 2019”
PQSynergy™ Papers 2018
PQSynergy™ is an international forum to share experiences, requirements, questions, information, customer requirements, problems and solutions in the fast growth area of quality of supply requirements of sensitive loads, energy conservation and management and power quality monitoring and solutions. For more information, you can visit the website: www.pqsynergy.com View and download papers: PQSynergy™ Papers Publishers 30Continue reading “PQSynergy™ Papers 2018”
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