Residental electrical load [was Re: Who's rewired their house for this hobby?]

drlegendre . drlegendre at
Sat Nov 29 22:14:56 CST 2014


That's what I was wondering - whether it was as sensitive to an
open-circuit as to an excessively short one.

Do you know what the open-circuit concerns are? Is it one of those supplies
that just can't tolerate being unloaded?

On Sat, Nov 29, 2014 at 9:41 PM, Christian Kennedy <chris at>

> On 29 Nov 2014, at 19:20, drlegendre . <drlegendre at> wrote:
> > Any sense of why it shut-down? One might immediately assume it's due to
> an
> > over-current situation, but it would be worth knowing exactly what
> > happened, for sure.
> I suspect it’s just the opposite; the fault is the same as if one removed
> a ferrous pot from the cooktop for more than a handful of seconds while
> running; from what I’ve observed it looks like it decides that there’s
> *insufficient* current being drawn, throws the fault display and shuts down
> the coil in question.
> > Did you try reducing the coupling, by placing a thin sheet of glass
> between
> > the cooktop and the alum. foil?
> I did with no change in the results but it did lead to the obvious
> follow-on; It turns out that for a 10” Al-Clad pan I can distance it from
> the surface by about 8mm before it decides to tell me to sod off.
> --
> Christian Kennedy, Ph.D.
> chris at     AF6AP | DB00000692 | PG00029419
>        PGP KeyID 108DAB97
> PGP fingerprint: 4E99 10B6 7253 B048 6685 6CBC 55E1 20A3 108D AB97
> "Mr. McKittrick, after careful consideration…"

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