Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: comp.os.linux.misc,alt.comp.os.windows-11
Subject: Re: Electicity Supply (Re: Pickup trucks for city boys)
Date: Thu, 4 Sep 2025 18:02:22 +0200
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Xref: csiph.com comp.os.linux.misc:73383 alt.comp.os.windows-11:23803

On 2025-09-04 14:42, Daniel70 wrote:
> On 3/09/2025 10:59 pm, Carlos E.R. wrote:
>> On 2025-09-03 14:41, Daniel70 wrote:
>>> On 3/09/2025 7:02 pm, The Natural Philosopher wrote:
>>>> On 03/09/2025 06:45, c186282 wrote:
>>>>> Re-check your calculations. SO many ways to define "power".
>>>>>
>>>>> 120vac, in practice, delivers almost the same power as 90vdc.
>>>>> Voltages are close enough so there are no insulation/heat
>>>>> concerns.
>>>> Total bollox
>>>>
>>>> 120VAC is DEFINED to deliver the same power as 120v DC.
>>>>
>>>> That's what RMS is all about
>>>>
>>> IF and only *IF* the 120VAC is defined as RMS.
>>
>> It is.
>>
>>>
>>> A 120VAC PEAK Waveform only delivers the same power as 90VDC (approx).
>>
>> But it is 170 peak.
>>
> How??
> 
> I specifically stated *A 120VAC PEAK Waveform* so how could it possibly 
> have a 170V peak value??

You said "IF and only *IF* the 120VAC is defined as RMS". I said "It is".

The Natural Philosopher said "120VAC is DEFINED to deliver the same 
power as 120v DC. / That's what RMS is all about"

I don't see "120VAC PEAK" in the text here.

When you say "120VAC" it means "120V AC rms". It doesn't mean "peak". If 
you mean "peak" you have to write it down.




-- 
Cheers, Carlos.