Easy peasy
Advanced Member level 6
for your new ckt choke needed only in the neg line, you diodes will have to be 1200V at least due to rev rec spikes - 2 x 800V in series recommended- snubbers across each.
split up you feedback resistors - so that if one fails short it won't kill every thing else, e.g. 220k x 5 at 1W each ( or higher )
you need another volt feedback loop for safety if one fails.
a 5 sec soft start would be useful - and a lot safer
I cannot see where the power comes from to drive the opto led ...? from the o/p is a bad idea - put another isolated wdg on the tx - or another small tx driven of the fet drains - to supply o/p aux power ...
split up you feedback resistors - so that if one fails short it won't kill every thing else, e.g. 220k x 5 at 1W each ( or higher )
you need another volt feedback loop for safety if one fails.
a 5 sec soft start would be useful - and a lot safer
I cannot see where the power comes from to drive the opto led ...? from the o/p is a bad idea - put another isolated wdg on the tx - or another small tx driven of the fet drains - to supply o/p aux power ...