If i turn off the high Frequency plasma cutter and added ((Electronic circuit i have high voltage 5.5kV and ,250 mA )) and some change ,to make the 5.5kv work before or During voltage of plasma cutter ???

I've dismantling and test of plasma from the inside, I do not know if I can do vindicated, and whether the amendment process market destroy my machine plasma
I need help from electronic Expert