Modern Electronics (was Re: List charter mods & headcount... ;

From: Davison, Lee <Lee.Davison_at_merlincommunications.com>
Date: Wed Jun 23 04:33:46 2004

>> wired the fan and magnetron together ... and controlled it with
>> an ordinary wall light switch

> I wouldn't have done this.

I would have used an egg timer switch (one that turns off after a
pre set time) but otherwise it sounds a reasonable fix.

> I know how, just about every part of, a microwave oven works and

Then you'll know why the HV supply is almost invariably voltage
doubled AC and not rectified and smothed DC.

> Also, I doubt that a normal wall light switch is rated for that
> large of an inductive load.

A microwave oven is a resistive load and most light switches (in the
uk at least) are rated adequately to switch a microwave (1.2KW for a
600W rated oven).

Lee.






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Received on Wed Jun 23 2004 - 04:33:46 BST

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