While performing maintenance on a UPS we run our gens and do a wrap around feed to a distribution board. The power going through the bypass breaker and the power for the wrap around is coming from the same Emergency buss. When 1 of the 2 paralleled feeds is energized, current readings are...
I have a power panel that is fed by 208 3 phase coming from a UPS and a second or alternate power feed from the city utility line, they are synced and within a fraction of a volt of each other. Does anyone know why if the load is measured with a clamp on meter, why when the feeds are sharing the...
