It's finally time to power up the ole Bridgeport!

Would I be consuming a rediculous amount of electricity cuz of its size or would it only output as much as the machine uses? I might just go ahead with this one it's a hell of a deal!
 
Sorry it was a 25kva. It's a step down but as far as I know I can back feed it? Here's the transformer in question. Will I have an issues back feeding it? ad_1535039145157.jpg
 
There would be a small amount of power loss to heat, but it wouldn't be excessive. Transformers are pretty efficient, so don't worry about that.
 
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Someone was telling me the transformer may stall the rpc due to it's size? Is that a possibility? Id hate to buy something I can't use...
 
Pretty sure it won't do that. It only takes an instant for the transformer to energize. Worst case put a switch between the RPC and the transformer. Start the RPC, then switch in the transformer.
 
Hi Izzy
Did you pick up the transformer? The transformer I have is 15KVA. I have never noticed any heat from it or any difference in my Hydro bill.
I have a 2hp 440 volt motor that could not be rewound. My electric motor guy changed it from Delta to Wye or vice versa I am not sure. It has been running on 240 volts for about 6 years now with no issues. This doesn't help you with the contactors and fuses though.

Cheers
Martin
 
no i have not yet picked it up. im arranging a time for pickup currently. hopefully this will be my last question but i found a 5HP roto phase for sale for 300bucks would that whole setup work or is that roto phase to small? i would think i need 7.5-10hp but if not ill be set!
@Martin W its good to know i wont notice much on my hydro bill that was another of my worries :)
 
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