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Transformer Testing & Maintenance


Strategies for Accurate Vibro-Acoustic Monitoring of OLTCs

Vibro-acoustic diagnostics have emerged as a rapid and non-invasive method to monitor and assess the health of On Load Tap Changers (OLTCs) in electrical power systems. This technology detects and analyzes the vibrations and sound patterns generated by OLTCs during operation, helping to identify...

Testing & Maintenance

Safe Electrical Maintenance Checklist

Reduce the risk of arc flash hazards with CSA Z462

BY ROBERT BURGESS, Lineman’s Testing Laboratories

Safe electrical maintenance practices and on-going personnel training can minimize the likelihood of electrical injuries and fatalities due to electrical shock, electrocution, arc flash and arc blast. At risk are employees who work on or near exposed energized electrical conductors or circuit parts including electrical maintenance personnel, operators, troubleshooters, electricians, linemen, supervisors, site safety personnel or anyone exposed...

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