Re-energization of an upstream circuit breaker fails to ground.

Persona

Technologies

Technologies
Reference number
II-751517-2018 (#8849)

Location: Saanich

Regulated industry sector: Electrical - High voltage electrical system (greater than 750V)
 

Impact

Injury
 

Injuries: 0

Injury description: NA

Injury rating: NA

Incident rating: Moderate
 

Incident overview

During a site re-energization of an upstream circuit breaker, the main 25KV to 600V 3 phase 1000KVA transformer failed to ground.

Attachment Size
B 8849-751517 2020-NO-03.pdf 503.45 KB