Hi,
Could anyone help me understand why this is a 277V configuration across the heaters instead of 480V? The incoming power is 480V, delta - so no neutral, while the heaters are 277V, single phase. My guess is that you can get 277V from a 480V only between phase and neutral -which is not the...
Hi
I have to install 12ea 277V/2.5KW baseboard heaters into a tunnel (that's how we call it)that is feed by 480/3Ph line.
6ea will have to go on left wall and the other 6 on the right wall.
I plan to use 1st and 4th heater from phase A, 2nd and 5th from B, and 3rd with 6th from C phase for...
Hi everyone,
I just got into this issue and I'll like some help:
I had a 7.5 HP motor driven by Solid State Relay and I replace the SSR with PLC. Now my question is that it should require to change parameters on the drive or the motors should run fine with same parameters (considering that we...
Hi, I'm working as industrial electrician tech support and I'm kind of new in this type of work so here is my question:
The machinery I was troubleshooting today is PLC operated with a VFD controlled motor. Is a 480V AC, 5 HP with a brake rectifier that has 4 terminals. The motor just quit...
