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”

Stalled Motors

In this case study, we look at an industrial customer with two 1250hp motors on a 4kV circuit, whose motors would not start. To determine the problem, we installed a Dranetz – BMI PP4300 at the motor input. The power monitoring instrument quickly identified the motor itself as the source of the problem. In fact,Continue reading “Stalled Motors”