Re: Batteries and mains, going solo.

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	comp.os.linux.misc, alt.comp.os.windows-11
Subject	Re: Batteries and mains, going solo.
Date	2025-09-10 20:58 +0200
Message-ID	<1bu8plx3u.ln2@Telcontar.valinor> (permalink)
References	(23 earlier) <109k35o$3le7e$1@dont-email.me> <1pt3plxjtc.ln2@Telcontar.valinor> <109rq42$1nte5$1@dont-email.me> <iu68plxvck.ln2@Telcontar.valinor> <109rvko$1pm64$1@dont-email.me>

Cross-posted to 2 groups.

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On 2025-09-10 15:49, Daniel70 wrote:
> On 10/09/2025 10:18 pm, Carlos E.R. wrote:
>> On 2025-09-10 14:14, Daniel70 wrote:
>>> On 9/09/2025 7:17 am, Carlos E.R. wrote:
>>>> On 2025-09-07 16:00, Daniel70 wrote:
>>>>> On 6/09/2025 11:41 pm, Carlos E.R. wrote:
>>>>>> On 2025-09-06 14:41, Daniel70 wrote:
>>>>>>> On 14/08/2025 11:21 pm, Carlos E. R. wrote:
>>>>>
>>>>> <Snip>
>>>>>
>>>>>>>> People were trapped in elevators, and could not phone for 
>>>>>>>> rescue. Instead they shouted, and neighbours kindly went even on 
>>>>>>>> foot to the elevator office to ask for help instead.
>>>>>>>>
>>>>>>>> I'm not demanding anything, just stating a proven fact.
>>>>>>>>
>>>>>>> By-the-by, I have Solar Panels and a Solar Battery on this house. 
>>>>>>> If the Mains is available (something for the Battery Circuitry to 
>>>>>>> reference) and the Batteries are charged, the Battery can supply 
>>>>>>> power.
>>>>>>>
>>>>>>> If the Batteries ARE charged but there's no Main reference, the 
>>>>>>> Batteries do bugger all!! There's $10,000 down the tube!!
>>>>>>
>>>>>> Yes, but that's a fault of your firmware and hardware. Very common 
>>>>>> failure; many houses in Spain discovered that as well. The system 
>>>>>> just needs to disconnect from mains and go solo. It is possible 
>>>>>> and has an extra price.
>>>>>>
>>>>> Yeap, "It is possible and has an extra price."
>>>>>
>>>>> When my system 'died' I contacted the Suppliers/Installers to find 
>>>>> out what went wrong and they said nothing was wrong, that's how the 
>>>>> system was supposed to work.
>>>>>
>>>>> HOWEVER, for a mere $1400 (I think) they could sell you a box that 
>>>>> you could connect to the battery that would allow you to draw up to 
>>>>> 1kW from the Battery (without any Mains reference) whilst it held 
>>>>> charge .... you know, for use in Life and Death situations.
>>>>
>>>> Only 1 KW? How big are your batteries?
>>>>
>>>> I think you can simply:
>>>>
>>>>    - Disconnect from the mains with a manual switch
>>>>    - Keep a bulb connected to outside to find out when electricity 
>>>> comes back.
>>>>    - Connect your batteries to a suitable inverter, and connect the 
>>>> output to the inner side of the big house switch.
>>>>
>>>> Anyone having a solar independent installation, not connected to the 
>>>> mains, does that.
>>>>
>>>> Having batteries and not being able to go solo when needed has a 
>>>> stupid system. Not saying he is stupid, but that he was tricked by 
>>>> the seller of the system.
>>>>
>>> Well, when I asked why my Battery didn't supply power when the Mains 
>>> failed even though the Battery held some power, it did seem to make 
>>> sense that the System needed something to reference to maintain the 
>>> 50Hz Frequency and also to maintain the 240V RMS Supply Voltage.
>>>
>>> If the T.V., Washing Machine and this Computer didn't need the Supply 
>>> Frequency and/or Supply Voltage to be ROCK SOLID, then yes, things 
>>> could work.
>>
>> No. An inverter doesn't need any reference to generate mains voltage 
>> at the exact voltage and frequency.
> 
> REALLY?? If it has NO references, how does it know WHAT *EXACT* voltage 
> and frequency to produce??

Configuration, or design.
In the same manner as a meter measures voltage with precision.

There are many machines designed to generate mains power without any 
reference. Think computer UPS, or gasoline generators.

> 
>> The problem is that you must ensure that you do not feed power to your 
>> neighbours.
> 
> Yes, granted.


-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-06 22:41 +1000
  Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-06 15:41 +0200
    Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-08 00:00 +1000
      Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-08 23:17 +0200
        Re: Batteries and mains, going solo. not@telling.you.invalid (Computer Nerd Kev) - 2025-09-09 08:41 +1000
          Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-09 02:56 +0200
            Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-09 04:49 -0400
        Re: Batteries and mains, going solo. Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-10 22:14 +1000
          Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-10 14:18 +0200
            Re: Batteries and mains, going solo. Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-10 23:49 +1000
              Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-10 20:58 +0200
              Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-10 15:35 -0400
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-10 21:55 +0200
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-10 17:11 -0400
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-11 02:10 +0200
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-10 21:12 -0400
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-11 10:45 +0200
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-11 07:09 -0400
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-11 19:28 +0200
                Fridge Freezers (was: Re: Batteries and mains, going solo. "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-09-11 21:20 +0100
                Re: Fridge Freezers "Carlos E.R." <robin_listas@es.invalid> - 2025-09-12 00:51 +0200
                Re: Fridge Freezers (was: Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 02:27 -0400
                Re: Fridge Freezers (was: Re: Batteries and mains, going solo. "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-09-12 09:42 +0100
                Re: Fridge Freezers (was: Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 06:26 -0400
                Re: Fridge Freezers The Natural Philosopher <tnp@invalid.invalid> - 2025-09-12 15:39 +0100
                Re: Fridge Freezers Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-13 19:45 +1000
                Re: Fridge Freezers The Natural Philosopher <tnp@invalid.invalid> - 2025-09-13 11:22 +0100
                Re: Fridge Freezers (was: Re: Batteries and mains, going solo. Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-09-13 18:26 +0000
                Re: Fridge Freezers The Natural Philosopher <tnp@invalid.invalid> - 2025-09-12 15:29 +0100
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 01:18 -0400
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-12 12:36 +0200
                Re: Batteries and mains, going solo. Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-13 19:53 +1000
                Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-13 11:24 +0100
                Re: Batteries and mains, going solo. Farley Flud <fflud@gnu.rocks> - 2025-09-13 13:13 +0000
                Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-13 17:21 +0100
                Re: Batteries and mains, going solo. Farley Flud <ff@linux.rocks> - 2025-09-13 18:20 +0000
                Re: Batteries and mains, going solo. Daniel70 <daniel47@nomail.afraid.org> - 2025-09-14 20:06 +1000
                Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-14 17:45 +0100
                Re: Batteries and mains, going solo. Daniel70 <daniel47@nomail.afraid.org> - 2025-09-14 20:04 +1000
                Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-14 17:42 +0100
                Re: Batteries and mains, going solo. Stéphane CARPENTIER <sc@fiat-linux.fr> - 2025-09-13 14:17 +0000
                Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-11 18:20 +0000
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 02:14 -0400
              Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-11 10:45 +0100
                Re: Batteries and mains, going solo. Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-11 21:15 +1000
                Re: Batteries and mains, going solo. Graham J <nobody@nowhere.co.uk> - 2025-09-11 13:52 +0100
                Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-11 15:17 +0100
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-11 23:59 -0400
                Re: Batteries and mains, going solo. Lars Poulsen <lars@cleo.beagle-ears.com> - 2025-09-13 14:05 +0000
                Re: Batteries and mains, going solo. Daniel70 <daniel47@nomail.afraid.org> - 2025-09-14 20:14 +1000
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-11 19:31 +0200
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 01:31 -0400
                Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-12 21:07 +0000
                Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-11 18:42 +0000
                Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-12 07:21 +0100
                Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-12 12:40 +0200
                Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-12 21:02 +0000
            Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-10 15:19 -0400
              Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-11 18:34 +0000
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 02:20 -0400
                Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-12 20:55 +0000
                Re: Batteries and mains, going solo. rbowman <bowman@montana.com> - 2025-09-13 01:12 +0000
                Re: Batteries and mains, going solo. Mark Lloyd <not.email@all.invalid> - 2025-09-13 21:33 +0000
                Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-13 00:15 -0400
            Re: Batteries and mains, going solo. The Natural Philosopher <tnp@invalid.invalid> - 2025-09-12 15:20 +0100
              Re: Batteries and mains, going solo. c186282 <c186282@nnada.net> - 2025-09-12 10:43 -0400
              Re: Batteries and mains, going solo. "Carlos E.R." <robin_listas@es.invalid> - 2025-09-13 01:22 +0200
  Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-09-06 14:09 -0400
    Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-07 04:32 +0200
      Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) c186282 <c186282@nnada.net> - 2025-09-07 04:38 -0400
        Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-07 11:12 +0100
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        Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-07 12:54 +0200
  Re: Real-time OSs (Re: Microsoft Is Abandoning Windows 11 SE) Nuno Silva <nunojsilva@invalid.invalid> - 2025-09-09 10:52 +0100
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