yeah ohm'd out the motor from the substation and all was balanced at 0.27ohms respectivly
iv had a look and a smell and couldn't smell anything, the motor connections seem okay, and i have checked the switchgear apart from the contactor and everything seems fine. I think i will check the...
It is a DOL starter on a previously good system. The system has been shutdown for 2 months and now requires starting which just is not happening. The motor has been meggered and spins freely
Hi,
A motor i was working on today started, then after about 0.1 seconds trips on "start-up current" the motor FLC is 100Amps and its start up in rush is 600Amps but the overload unit doesn't give the motor a chance to get upto running speed to allow the inrush current to drop. The motor spins...
Hi,
How can you test a three phase AC motor for single phasing?
From what i understand you can check the switchgear stabbings for heat damage and also check the 3 cores for 415V between the phases.
What else can you check with just a megger or fluke?
Would checking the balance of the...
