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Re: [TCML] induction cooktop as TC primary?
On 7/4/12 9:40 AM, David Sharpe wrote:
I've not seen an actual schematic, however the typical topologies used are
either a derivative of a Half Bridge (cheap, low cost, up to 2-3kVA output
with 240VAC in), or quasi resonant (one switch, but complex controls).
Typical resonant frequencies are 25-100Khz, but could be changed I'd
think easily by changing value of resonant capacitor.
Tank voltage is monitored, if V exceeds some value (no load, high Q),
gating is disabled. Would be an interesting low cost SSTC / DRSSTC
that's sort of what I was thinking.. nice flat pancake coil, wound of
Litz wire, kilowatt driver, etc.
OBTW, at last RV Rally wife and I attended, there was a single
burner induction heating "hot plate" being offered for sale from several
vendors, that IIRC was $129.
Yeah.. that's probably the brother of the Aroma brand one sold by Target
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