Methodology for Overheating Identification on Induction Motors under Voltage Unbalance Conditions in Industrial Processes

Abstract

100-107<span style="font-size:9.0pt;font-family: " times="" new="" roman","serif";mso-fareast-font-family:"times="" roman";mso-bidi-font-family:="" mangal;mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:="" hi"="" lang="EN-US">This paper presents a new methodology to assist the preventive maintenance through the identification and diagnosis of undesired overheating conditions in multiple induction motors installed in industrial facilities. The identification is performed by monitoring the voltage in the electrical system and the temperature characteristic curve of the motor obtained through infrared (IR)-thermography in the presence of voltage unbalance</span