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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Grand Apagon - Electricity (not) in Spain
Date: Fri, 2 May 2025 23:20:57 +0200
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On 2025-05-02 03:40, Don Y wrote:
> On 5/1/2025 5:56 PM, Carlos E.R. wrote:
>> On 2025-05-02 01:38, Don Y wrote:
>>>
>>> I noted that some induction cooktops had design limitations
>>> restricting how many "burners" could be active.  One would have
>>> hoped they would be able to time-division multiplex the
>>> application of power to allow for all heat sources to be in use.
>>
>> Some do. I have seen some stoves that limit the total load, and allow 
>> the user to configure that limit. Not the number of burners.
> 
> I was under the impression (without investigating) that some
> key bit of electronics was multiplexed between the burners,
> based on actual usage.

They convert the input AC to DC. That part can be shared.

> 
> Here, we often use the entire stovetop (4 burners plus warmer)
> AND have something in at least one of the ovens.  I have assumed
> that the software "schedules" power distribution to meet the
> current (no pun) demands placed on the appliance.
> 
> It would be interesting to test that limit and see if the
> stove is aware of it and what (if anything) it does to
> convey that limitation to us!

In my case, I have to be aware of everything that is using electricity 
in the house, and then select the power at the burner, and whether I can 
use both or not, or the microwave simultaneously.

If I hit the limit, the electricity to the house is cut off, and the 
procedure to restore is a bit cumbersome.

So far, I have never hit the limit.

-- 
Cheers, Carlos.