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From: John Fields
Organization: Austin Instruments,Inc.
X-Mailer: Mozilla 4.01 [en] (Win95; U)
Subject: Re: Higher loads on triac light dimmer ???
NNTP-Posting-Date: Wed, 18 Sep 2002 13:35:01 CDT
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Date: Wed, 18 Sep 2002 18:35:01 GMT
Fred Bloggs wrote:
> Yes you can make any number of modifications but you will end up
> building an entirely new coffee maker. The coffee maker is much more
> than a resistive heater. For one thing you have thermal regulators and
> safety cut-outs that are designed to operate at maximum duty cycles,
> voltages, and interrupt current ratings. Every bit of this will be
> operating beyond design and approval ratings at 220Vrms and the
> resulting peak currents. The dimmer idea is out, the new coffee maker
> idea is in.
Au contraire, Bloggsy!
The proper TRIAC, a DIAC, an R and a C will do it:
The choice of R and C for the proper firing angle is left as an exercise
for the interested!^)
Professional circuit designer
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