Hi Bill,
Yes I am sure there are regulators and reactors between us an the substation. This is a rural town which is about an hour from the closest City. The distribution lines most likely travel far for servicing this area. There are some major industrial clients nearby (large copper mine)...
Hi Bill,
Thanks for the great response. I'm going to rent a power analyser and put it on the supply line Friday. I'll capture the phasor diagram to see if it looks reasonable. I have reached out to the utility, but no response yet.
I have a system with some submersible pumps that are fed by some Siemens Sirius soft starts. Pumps are 125HP @ 600vac. When we run the pump, the softstart gets up to speed like normal (5s ramp) and the bypass contactor pulls. Within about 10 minutes they start overloading and tripping (some trip...
