4 Aug
2006
4 Aug
'06
12:30 p.m.
Michael K. Smith wrote:
It was a breaker in the main bypass from city power to the generators. The breaker failed to close so the generators happily fed power to nowhere. Then, everyone's UPS failed and down we/they went. The outage lasted approximately 26 minutes.
Nobody checked to make sure that at least one of the UPSs showed a status of "ONLINE" instead of "ONBATTERY"? Were there no UPSs configured to alert during continued and extended PF? Surely people didn't just trust the sound/vibration of the running generator. -Jim P.