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(low input high output)Forward converter

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Thread Starter

chnpp

Joined Oct 1, 2011
1
how to design a low input, high output forward converter?
say: 50V input, 100v output

I have tried this circuit, use LTspice simulation
http://i.imgur.com/meVMb.png

whatever I change the ratio of primary winding and secondary winding, the output can only achieve 50v, just as the input(can't be 2 times over input).
http://i.imgur.com/kGUNJ.png

sorry, I am just the newbie of learning power electronics.
Hope anyone could help,give some suggestion. Thankyou.
 
Last edited:
O

oldtech33709

Joined Sep 24, 2011
26
Keep in mind that this is a power converter. Pin=Pout-circiut losses. You have a 100A load at 50V or a 5kw load. This means your input has to rated better than 5kw.
 
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