Heavy Power Transformer
Heavy Power Transformer
(OP)
Last week, I have seen a heavy power transformer { with iron-silicon core ) , I noticed that between every one or two layers of the primary and secondary windings there is a small bar of fiberglass.
I asked the designer about the purpose of these bars separating the layers, he said "in my head" and waked away.
I am curious to know about the purpose of those bars, is it for air cooling or something else ?
I asked the designer about the purpose of these bars separating the layers, he said "in my head" and waked away.
I am curious to know about the purpose of those bars, is it for air cooling or something else ?





RE: Heavy Power Transformer
I would say that the designer was a bit unhelpful too, don't invite him onto eng-tips.
RE: Heavy Power Transformer
But you can also steer the leakage inductance by reducing the coupling between primary and secondary winding and create a larger short-circuit impedance to reduce Isc.
It may also be a means of reducing forces between windings when an external short circuit occurs.
But, I think that improved cooling is the main reason.
Was sex was the designer?
Gunnar Englund
www.gke.org