Minimal power to energize the transformed one

Thread Starter

JRVV

Joined Sep 26, 2006
3
I need to energize only a transformer of 20 MVA in the side of 13.8 kV (connection Y, grounding), across a system of provisional generation. My question is, all the power of generation do I need?, especially to free the inrush
 

subtech

Joined Nov 21, 2006
123
Hello JRVV
Energising that transformer from a single generator may not be possible.
There are many factors involved. The inrush to the transformer could be anywhere from 8 to 30 times the fla of that unit. Duration of the inrush depends on the L/R ratio of the transformer itself and the cable/conductors that tie the gen to the transformer.
You might try posting your question here:http://www.eng-tips.com/index.cfm
but be prepared to provide alot of details such as protection for the generator and transformer.
 

Thread Starter

JRVV

Joined Sep 26, 2006
3
Thank you for your attention. But it seems to me that adding the curves of contribution there are faults of the generators give me a good index of all the generators I need.

Regards
 
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