Ferroresonance results in major damage to multiple facilities electrical service gear
Incident Investigation
Ferroresonance results in major damage to multiple facilities electrical service gear
January 1, 2021
Electrical
Reference Number:
II-1126869-2021 (#20405)
Location: Chilliwack
Regulated industry sector: Electrical - Low voltage electrical system (30V to 750V)
Incident overview:
A massive ferroresonant voltage surge occurred from a high voltage short circuit causing extensive damage to various electrical equipment at multiple facilities fed from the utility high voltage service system.