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Groups > sci.electronics.design > #435620
| From | John S <Sophi.2@invalid.org> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Single or double pole mains switch in USA? |
| Date | 2016-11-14 17:46 -0600 |
| Organization | A noiseless patient Spider |
| Message-ID | <o0dibb$ndk$2@dont-email.me> (permalink) |
| References | (8 earlier) <MPG.329151c86d9cea08989f89@news.eternal-september.org> <o08gnb$33e$6@dont-email.me> <srhf2c9e3tl0kmb5t47u7b9655bdr5lsfq@4ax.com> <o08i16$33e$8@dont-email.me> <6ush2c173uqejf0a5kca0c04oqim5a3v1s@4ax.com> |
On 11/13/2016 5:14 PM, krw wrote: > On Sat, 12 Nov 2016 20:10:40 -0600, John S <Sophi.2@invalid.org> > wrote: > >> On 11/12/2016 7:56 PM, krw wrote: >>> On Sat, 12 Nov 2016 19:48:13 -0600, John S <Sophi.2@invalid.org> >>> wrote: >>> >>>> On 11/12/2016 3:20 PM, M Philbrook wrote: >>>>> In article <o07naa$33e$2@dont-email.me>, Sophi.2@invalid.org says... >>>>>> >>>>>> On 11/12/2016 11:03 AM, M Philbrook wrote: >>>>>>> In article <xn60nt2y7f.fsf@delorie.com>, dj@delorie.com says... >>>>>>>> >>>>>>>> John S <Sophi.2@invalid.org> writes: >>>>>>>>>>> 2 phase? Please educate me on this. I know that single phase and 3 phase >>>>>>>>>>> are common, but I have never encountered 2 phase. >>>>>>>>>> >>>>>>>>>> really? >>>>>>>>>> >>>>>>>>>> two leads 90 degree shift.. >>>>>>>>> >>>>>>>>> How often have you encountered a mains supply with 90 degree phase >>>>>>>>> shift, smart ass? >>>>>>>> >>>>>>>> Nikolas Tesla invented it long ago. Just because it isn't used for >>>>>>>> mains *now* doesn't mean he can't know what it is. >>>>>>>> >>>>>>>> Also, it's what stepper motors use, and we encounter those every day. >>>>>>>> >>>>>>>> Also, he didn't mention "mains" in that follow-up. >>>>>>>> >>>>>>>> Also, replying to pedantry with jackassery is lame. >>>>>>>> (whereas the opposite is just plain fun ;-) >>>>>>> >>>>>>> actually there is an old place near me that uses 2 phase power./ >>>>>>> >>>>>>> Jamie >>>>>>> >>>>>> >>>>>> Does the old place generate its own power? The power company does not >>>>>> provide two phase power. >>>>> >>>>> Yes, they have both a water generation plant and scott connection >>>>> transformers from commercial 3 phase to fill in when they need it. >>>>> >>>>> Jamie >>>>> >>>> >>>> So it is not 2 phase, it is 3 phase with a lame connection. >>> >>> No, he said 2-phase. The Scott-T is used to transform three-phase, as >>> supplied by the power company, into the 2-phase this old installation >>> requires. >>>> >>>> Please explain how it is used without the fill-in. Two phase motors? >>>> Note that three phase is completely different from two phase. The phases >>>> are 120 degrees apart in 3 phase (with a common reference which requires >>>> 3 wires) whereas 2 phase is 90 degrees apart (also requiring 3 wires), >>>> even according to you. Why would they use a Scott-T when 3 phase is >>>> already available. Pretty stupid -- just like you. >>> >>> Because "he" needs two-phase and only three-phase is available from >>> the power company, thus the Scott-T. He is pretty clear, here. >> >> What is the advantage of two phase power? > > It exists. Now you are just being an argumentative ass. Many things exist that we do not use because they are not practical.
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Single or double pole mains switch in USA? Syd Rumpo <usenet@nononono.co.uk> - 2016-11-08 09:41 +0000
Re: Single or double pole mains switch in USA? jrwalliker@gmail.com - 2016-11-08 06:10 -0800
Re: Single or double pole mains switch in USA? John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-08 06:29 -0800
Re: Single or double pole mains switch in USA? Martin Riddle <martin_ridd@verizon.net> - 2016-11-08 11:55 -0500
Re: Single or double pole mains switch in USA? Martin Riddle <martin_ridd@verizon.net> - 2016-11-08 11:56 -0500
Re: Single or double pole mains switch in USA? Martin Riddle <martin_ridd@verizon.net> - 2016-11-08 11:58 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-08 11:05 -0600
Re: Single or double pole mains switch in USA? krw <krw@nowhere.com> - 2016-11-08 12:48 -0500
Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-08 10:46 -0800
Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-08 17:22 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-11 20:22 -0600
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-11 20:26 -0600
Re: Single or double pole mains switch in USA? DJ Delorie <dj@delorie.com> - 2016-11-11 22:07 -0500
Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-12 12:03 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 12:34 -0600
Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-12 16:20 -0500
Re: Single or double pole mains switch in USA? pedro <me@privacy.net> - 2016-11-13 09:32 +0800
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 19:52 -0600
Re: Single or double pole mains switch in USA? Jasen Betts <jasen@xnet.co.nz> - 2016-11-13 05:11 +0000
Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-13 13:07 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-13 16:44 -0600
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-13 18:13 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 19:48 -0600
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-12 20:56 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 20:10 -0600
Re: Single or double pole mains switch in USA? Jasen Betts <jasen@xnet.co.nz> - 2016-11-13 04:57 +0000
Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-13 11:07 +0200
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-13 09:57 -0600
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-13 18:14 -0500
Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-14 21:19 +0200
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-14 19:54 -0500
Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-15 09:55 +0200
Re: Single or double pole mains switch in USA? Glen Walpert <nospam@null.void> - 2016-11-15 17:55 +0000
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-14 17:39 -0600
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-14 19:55 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-14 17:46 -0600
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-14 19:56 -0500
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-15 17:00 -0600
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-15 19:20 -0500
Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-12 20:53 +0200
Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-13 10:50 -0800
Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-13 10:58 -0800
Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 12:31 -0600
Re: Single or double pole mains switch in USA? krw <krw@nowhere.com> - 2016-11-08 12:46 -0500
Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-08 10:40 -0800
Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-08 19:13 -0500
Re: Single or double pole mains switch in USA? whit3rd <whit3rd@gmail.com> - 2016-11-08 10:50 -0800
Re: Single or double pole mains switch in USA? Syd Rumpo <usenet@nononono.co.uk> - 2016-11-09 14:06 +0000
Re: Single or double pole mains switch in USA? Jasen Betts <jasen@xnet.co.nz> - 2016-11-12 07:05 +0000
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