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Groups > comp.os.linux.misc > #73384
| 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 | 2025-09-04 18:06 +0200 |
| Message-ID | <e0qoolxqi8.ln2@Telcontar.valinor> (permalink) |
| References | (21 earlier) <9kojolxgnh.ln2@Telcontar.valinor> <1099boq$14pk5$1@dont-email.me> <6rOcnT-ikrnKpSX1nZ2dnZfqn_adnZ2d@giganews.com> <1099pev$18dit$2@dont-email.me> <109c2ms$1pa17$1@dont-email.me> |
Cross-posted to 2 groups.
On 2025-09-04 15:03, Daniel70 wrote: > On 4/09/2025 2:13 am, The Natural Philosopher wrote: >> On 03/09/2025 13:44, c186282 wrote: >>> On 9/3/25 8:20 AM, Daniel70 wrote: >>>> On 3/09/2025 4:11 am, Carlos E.R. wrote: >>>>> On 2025-09-02 14:28, c186282 wrote: >>>>>> On 9/2/25 8:07 AM, Daniel70 wrote: >>>>>>> On 1/09/2025 11:34 pm, The Natural Philosopher wrote: >>>>>>>> On 01/09/2025 14:02, Daniel70 wrote: >>>>>>> >>>>>>> <Snip> >>>>>>> >>>>>>>>> And, as I've mentioned before, here in Australia, our "Mains" >>>>>>>>> is 240V RMS so peaks out at about 340V between the Active wire >>>>>>>>> and the Neutral/Earth. >>>>>>>> >>>>>>>> Everywhere it's R.M.S. Which is why mains reservoir caps in an >>>>>>>> SMPS are 400V rated as are the diodes feeding them... >>>>>>> >>>>>>> Somewhere here I read where someone refered to a 120V supplied >>>>>>> that they typed was 90V effective. To me, 120V peak would be >>>>>>> about 90V RMS (or effective). >>>>>> >>>>>> Roughly, yes. It's sort of the REASON for 120vac - because >>>>>> the effective energy is about the same as Edison's old 90vcd >>>>>> service. >>>>> >>>>> There is something wrong with that. 120ac rms aka 170ac *ptp* has >>>>> the same thermal effect as 120 dc. >>>> >>>> Sorry, Carlos, but is that "ptp" supposed to mean "Peak to Peak" >>>> i.e. from Most Positive Value to Most Negative Value?? i.e. Double >>>> the Peak Value and almost TRIPLE the RMS value?? >>>> >>>>>> "AC/DC" appliances, "universal motors", work because 120vac >>>>>> and 90vdc are very similar in some important ways. >>>>>> >>>>>> USA had to support competing systems for quite awhile. >>> >>> >>> Just look at what you get if you put the 120vac through >>> a full-wave rectifier with a load. It's close, though >>> not exactly of course, equiv to 90vdc. >>> >> No., with capacitative smoothing its nearly 168V DC >> Its still 120V RMS, even though the waveform is kooky. >> Its never equivalent to 90V DC in any universe I know of. > > Sorry!! WHAT?? By feeding in a 120V RMS waveform, how the hell do you > get anywhere near 168V DC?? > > The 120V RMS waveform has a Peak Positive Value of +170V and a Peak > Negative Value of -170V. > > How could you possibly expect to get an AVERAGE (smoothed) value of 168V > DC?? > > If you Full wave rectified the Sine Wave (so you had two Positive bumps > per Cycle) and you then Filtered that (to produce DC), sure, you might > get an UNLOADED 170V DC'ish ..... but not very useful!! Actually, you also get nearly 170V dc under some load, with a good LC filter. If the load is higher, you need a transistor to smooth it out at a lower voltage. -- Cheers, Carlos.
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Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-01 23:02 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-01 14:34 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-02 22:07 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-02 14:13 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-02 08:28 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-02 20:11 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-02 19:34 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-02 22:06 +0200
Re: Electicity Supply Nuno Silva <nunojsilva@invalid.invalid> - 2025-09-02 23:00 +0100
Re: Electicity Supply Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-09-02 23:55 +0000
Re: Electicity Supply Nuno Silva <nunojsilva@invalid.invalid> - 2025-09-03 10:10 +0100
Re: Electicity Supply Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-09-03 11:00 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 22:30 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-03 14:57 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) Mark Lloyd <not.email@all.invalid> - 2025-09-05 20:20 +0000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-06 04:45 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-03 01:45 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-03 10:02 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-03 05:57 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-03 11:37 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Mark Lloyd <not.email@all.invalid> - 2025-09-05 20:25 +0000
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 22:45 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) Mark Lloyd <not.email@all.invalid> - 2025-09-05 20:27 +0000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-06 10:30 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Graham J <nobody@nowhere.co.uk> - 2025-09-06 10:54 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-06 11:48 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-06 13:54 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-07 23:48 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-06 21:29 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-06 12:37 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-03 14:22 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 22:41 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-03 14:59 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-04 22:42 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-04 18:02 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-05 23:38 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-05 18:45 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 19:35 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 22:34 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-03 08:53 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) rbowman <bowman@montana.com> - 2025-09-03 21:02 +0000
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-04 22:45 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-03 17:09 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 22:20 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-03 08:44 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-03 17:13 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-04 23:03 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) "Carlos E.R." <robin_listas@es.invalid> - 2025-09-04 18:06 +0200
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-04 19:25 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-05 04:03 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 09:22 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-05 08:09 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-05 23:57 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 19:44 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-05 05:10 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 10:33 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-05 05:46 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 11:14 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-05 06:44 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 12:02 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-05 23:44 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 19:36 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-06 21:35 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-06 12:57 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-06 22:26 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-06 17:01 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-04 19:16 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-05 03:45 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-05 09:12 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-06 00:12 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-06 00:10 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) Mark Lloyd <not.email@all.invalid> - 2025-09-05 20:37 +0000
Re: Electicity Supply (Re: Pickup trucks for city boys) Graham J <nobody@nowhere.co.uk> - 2025-09-02 15:30 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) The Natural Philosopher <tnp@invalid.invalid> - 2025-09-02 15:35 +0100
Re: Electicity Supply (Re: Pickup trucks for city boys) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-09-02 21:22 +0000
Re: Electicity Supply (Re: Pickup trucks for city boys) c186282 <c186282@nnada.net> - 2025-09-03 01:08 -0400
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 23:03 +1000
Re: Electicity Supply (Re: Pickup trucks for city boys) Daniel70 <daniel47@somewhere.someplaceelse> - 2025-09-03 23:00 +1000
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