I had a situation occur this weekend at our data facility. We lost utility power to the building for about 5 hours. The generator started ok and picked up the load.
Unfortunately, the UPS was not able to carry the servers during this 10-12 second ATS transfer. It was discovered both UPS battery...
During a routine IR scan of a facility's main 4000A switchboard we discovered the following abnormality.
First off, the service entrance is underground 4" PVC duct bank consisting of (10) parallel sets of (4)500 MCM,& 3/0 insulated green equipment grounding conductor for 3PH, 4W, 480/277V. The...
I was asked to review a possible upgrade of an existing standby natural gas generator at a small police station in Massachusetts. Currently the required life safety lighting and fire alarm system is battery back up and this generator was added some years later. Over the years branch circuits...
Hi, I am new to this forum and hope someone can lead me in the right direction.
I have been a service technician at a local hospital for years providing power quality monitoring, infrared inspections, energized and de-energized equipment maintenance, and troubleshooting on many aspects of the...
