[TCML] Discharging series caps: an experiment
dave_p at comcast.net
Thu Feb 3 07:53:14 MST 2011
Following on on the discussion of discharging series caps,
i wandered into the shop and started rooting about. Came up
with 3 more or less identicalish 6uFd, 600v, ac caps, which,
if memory serves came out of old ferroresonant supplies.
For convenience, safety, etc, used a 40VDC, variac adjustable,
supply, with 50,000 odd uFd filter.
wire caps in series.
discharge all, individually.
set PSU to 30vish(DC).
verify 10VDC across center cap.
short _ends_ of string.
STILL 10VDC, maybe a bit less across 'center' cap.
Repeat until bored.
That was using a random DVM: older fluke. Trying an
older yet moving coil VOM, the voltage dropped 'fast'.
Yes, the voltages are low, however I'd think the results
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