Power Quality, Electronic Motor Drives, & Other Sensitive Loads

Published by Power Quality (Thailand) Co., Ltd. http://www.powerquality.co.th Classes of Sensitive Loads Electronic motor drives Computers Computerized equipment Automated machines that have PLC’s Automatic test equipment Electronic scales Electronic Motor Drives Types of drives Basic electrical operations Understanding electric motors DC drives AC drives Harmonics and power factor Future What is an Electronic Drive? TheContinue reading “Power Quality, Electronic Motor Drives, & Other Sensitive Loads”

Examples of Capabilities of Class A PQ Instruments vs Dranetz Instruments with Beyond Class A Capability

Published by Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. E-mail: terryc@powerquality.org, terryc@powerquality.co.th Please feel free to leave a question in the comments section or contact Terry Chandler, terryc@powerquality.org, terryc@powerquality.co.th

Energy Terminology

Glossary of terms are used within the Energy Sector Compliments of the Australian Energy Market Commission (AEMC) is an independent statutory body with two key roles: making and amending rules for the National Electricity Market, elements of the natural gas market and related retail markets; and providing strategic and operational advice to the COAG EnergyContinue reading “Energy Terminology”

Power Quality (PQ) & Quality of Supply (QOS)

Published by Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. E-mail: terryc@powerquality.org, terryc@powerquality.co.th Please feel free to leave a question in the comments section or contact Terry Chandler, terryc@powerquality.org, terryc@powerquality.co.th

Frequency Measurements & Data Recorded of PQ Instruments that meet the IEC 61000-4-30 Class A

Published by Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. E-mail: terryc@powerquality.org, terryc@powerquality.co.th An example is the Dranetz HDPQ family, the PX-5 family and the 61K family. The IEC standard for frequency measurement calculation and accuracy is This specifies the time of the reference channel is measured for 10 seconds. That value isContinue reading “Frequency Measurements & Data Recorded of PQ Instruments that meet the IEC 61000-4-30 Class A”

Power Quality Monitoring System at the Consolidated Edison Company of New York

Published by Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. E-mail: terryc@powerquality.org Brian Todd, Global Vice President of Sales for Dranetz Technologies, Inc. and General Manager at Electrotek Concepts, Inc. E-mail: btodd@electrotek.com Kevin Kittredge, Senior Power Systems Engineer, Electrotek Concepts, Inc. E-mail: kkittredge@electrotek.com