Distribution Lightning Protection Pilot Projects Reliability Engineering Team Lightning Arrester Initiative Presented by Tim Constanzo, PE. Where it all started. Corporate initiative to improve reliability Reliability Summit Root cause analysis methodology Relay philosophy/settings
Corporate initiative to improve reliability
Lightning arresters (LAs) are believed to be the cause of an unacceptable frequency and duration of customer interruptions and outages.
39,000 35kV line LAs
300,000 35kV equipment LAs
Total 35kV LAs: 339,000
TFlash modeling cases: