Sandeep. Whats done here is all the 5 v (which usually have atleast 30A op) outputs are connected in series.
Except the bottom most ps all other ps's mains earth pin is left floating. perhaps a small 5 w resistor load is also connected across each 5v / 12v output for kick starting
On 4/23/2012 12:33 PM, Sandeep Lohia wrote:
It good idea to isolate earthing, but not complete information is given there, one needs to short green & black wire otherwise it won't kick start. LOL.
One can also play with TL494 feedback with a variable preset. As to change 12V to 13~
EMI filter is another one!!!!!
VU3SXT 73...........
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