5 Feb
2006
5 Feb
'06
5:54 p.m.
All wise precautions. Many others recommend also using
a variac to bring up
the voltage slowly, in stages, letting the capacitors reform for a few
hours at each stop. That also affords more chances to check for smoke
leakage. If you have an ammeter in line, you can watch for outrageous
current draw once you get closer to design voltage.
Unless the uVax hasn't been powered up since the day it left the factory,
the capacitors will not need to be reformed. It take quite a long time for
modern (i.e. post-1950) electrolytics to even start thinking about going
bad.
William Donzelli
aw288 at osfn.org