[lug] Aging Surge Protectors
viggy at peakpeak.com
Fri Aug 27 17:31:47 MDT 2004
Like I said, some kind of filter!
MOV's are not that bad, for personal use (110V). Actually, I thought
they shunted the hot and neutral lines together (well, I guess neutral
Timothy Klein wrote:
> On Friday 27 August 2004 12:39, Mr Viggy wrote:
>>I'm not sure what high end units use, though. In my applications,
>>I used MOV's across switches attached to steppers (needed to shunt
>>off the extra current when we swithced the stepper). They probably
>>use some kind of filter
>>(just guessing here), similar to a UPS system.
> They use a capacitor bank to slowly bleed current back onto the mains,
> if I remember right. The MOVs use a massive shunt to ground, which
> opens up different problems.
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