28 Apr
2005
28 Apr
'05
5:02 p.m.
>>>> "Eric" == Eric Smith
<eric at brouhaha.com> writes:
Eric> Jim wrote:
> If they are switcher power supplies, they tend not
to react very
> nicely to having a solid state inverter feed them.
Eric> May depend on the switcher. Many of them just rectify the
Eric> input, so they don't really care what the input frequency or
Eric> waveform is, so long as it's not too fast for the rectifier.
Eric> So many 50/60 Hz switchers work fine on DC, 400 Hz, "modified
Eric> sine wave" 50/60 Hz, or even square wave 50/60 Hz.
Eric> But the ones that support exactly two voltage ranges (and
Eric> nothing in the middle) apparently use a voltage doubler, which
Eric> won't work on DC, and I don't know how it will react to higher
Eric> frequencies or strange waveforms.
Doublers won't work with DC, indeed. But they should work fine on
the other waveforms you mentioned.
paul