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Groups > sci.electronics.design > #469955
| From | jimp@specsol.spam.sux.com |
|---|---|
| Newsgroups | sci.physics.relativity, sci.physics, sci.physics.electromag, sci.electronics.design |
| Subject | Re: Question about power capacity of electrical motors. |
| Date | 2017-07-21 19:32 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <uf1a4e-a8p.ln1@mail.specsol.com> (permalink) |
| References | (8 earlier) <oktar5$f06$1@dont-email.me> <p4p94e-ebo.ln1@mail.specsol.com> <okte8q$qqu$2@dont-email.me> <cgs94e-6oo.ln1@mail.specsol.com> <oktjbb$b76$2@dont-email.me> |
Cross-posted to 4 groups.
In sci.physics.electromag rickman <gnuarm@gmail.com> wrote: > jimp@specsol.spam.sux.com wrote on 7/21/2017 2:07 PM: >> In sci.physics.electromag rickman <gnuarm@gmail.com> wrote: >>> jimp@specsol.spam.sux.com wrote on 7/21/2017 1:10 PM: >>>> In sci.physics.electromag rickman <gnuarm@gmail.com> wrote: >>>>> jimp@specsol.spam.sux.com wrote on 7/21/2017 11:26 AM: >>>>>> In sci.physics.electromag rickman <gnuarm@gmail.com> wrote: >>>>>>> jimp@specsol.spam.sux.com wrote on 7/15/2017 10:13 PM: >>>>>>>> In sci.physics.electromag Robert Clark <rgregoryclark@gmspambloackail.com> wrote: >>>>>>>>> In sci.physics Garfield Dieter <igdle@rdlge.rf> wrote: >>>>>>>>>>> jimp wrote: >>>>>>>>>>> >>>>>>>>>>>> In sci.physics.electromag Robert Clark >>>>>>>>>>>> <rgregoryclark@gmspambloackail.com> >>>>>>>>>>>> wrote: >>>>>>>>>>>>> I read that the Tesla electric motor is able to achieve its remarkable >>>>>>>>>>>>> power to weight ratio of 8.5 kW/kg, about 10 times better than a >>>>>>>>>>>>> typical gasoline engine, because it tightly winds its copper wires in >>>>>>>>>>>>> its coils therefore being able to carry more current in the same space. >>>>>>>>>>>>> If so, then we should be able to produce more power if we have a >>>>>>>>>>>>> material that can carry more current. >>>>>>>>>>>> >>>>>>>>>>>> We have such a material and it is called silver. >>>>>>>>>>> >>>>>>>>>>> Gold is much better, something you don't know. >>>>>>>>>> >>>>>>>>>> Nope. >>>>>>>>>> >>>>>>>>>> Resistivity at 20 C in Ohm meter >>>>>>>>>> >>>>>>>>>> Silver 1.59 X 10-8 >>>>>>>>>> Copper 1.68 X 10-8 >>>>>>>>>> Gold 2.44 X 10-8 >>>>>>>>>> >>>>>>>>>> https://en.wikipedia.org/wiki/Electrical_resistivity_and_conductivity >>>>>>>>>> >>>>>>>>>> Gold is only used in electrical applications because of it's corrosion >>>>>>>>>> resistance. >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> I was current density I was most interested in. >>>>>>>> >>>>>>>> Yes, because you are clueless about the real world and don't understand >>>>>>>> the limits of electrical motors is heat rise due to resistive losses. >>>>>>> >>>>>>> And what are the resistive losses in nanotube composites compared to copper? >>>>>> >>>>>> All the references I have say they are higher, do you have somthing that >>>>>> says otherwise? >>>>> >>>>> How about the original article? >>>> >>>> What about it? >>>> >>>>> Importantly, the researchers were able to achieve this high current density >>>>> tolerance without sacrificing the electrical conductivity of the material, >>>>> which is similar to that of pure copper. >>>> >>>> So what? >>>> >>>>> "This is the first such material, to the best of my knowledge, that can have >>>>> high electrical conductivity and high current density tolerance," >>>>> Subramaniam points out. >>>> >>>> So what? >>>> >>>>> Then there is this publication. >>>>> >>>>> https://www.ifam.fraunhofer.de/content/dam/ifam/en/documents/dd/Infobl%C3%A4tter/metal-carbon_nanotube_composites_fraunhofer_ifam_dresden.pdf >>>> >>>> So what? >>>> >>>>> You understand this is a *new* material they are talking about, no? The >>>>> focus of the research seems to be on uses for conductors in integrated >>>>> circuits where other aspects than conductivity are limiting. >>>> >>>> So what? >>>> >>>> The issue is temperature rise due to resistive losses, not anything else. >>> >>> You said the resistivity of the CU-CNT material is worse than copper. Just >>> setting the record straight. >> >> Where? > > See above. I notice that with selective editing you have changed the entire discussion. -- Jim Pennino
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Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-15 13:43 -0400
Re: Question about power capacity of electrical motors. Cursitor Doom <curd@notformail.com> - 2017-07-15 18:39 +0000
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-15 18:31 +0000
Re: Question about power capacity of electrical motors. Piglet <erichpwagner@hotmail.com> - 2017-07-15 20:09 +0100
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-15 19:19 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 05:44 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 15:24 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 12:17 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 17:07 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:42 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 18:05 +0000
Re: Question about power capacity of electrical motors. John S <Sophi.2@invalid.org> - 2017-07-21 13:46 -0500
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 15:07 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 19:30 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 17:31 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 22:11 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 19:04 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-22 00:22 +0000
Re: Question about power capacity of electrical motors. whit3rd <whit3rd@gmail.com> - 2017-07-15 16:13 -0700
Re: Question about power capacity of electrical motors. krw@notreal.com - 2017-07-15 18:46 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 02:00 +0000
Re: Question about power capacity of electrical motors. krw@notreal.com - 2017-07-15 22:38 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 03:07 +0000
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-16 09:20 +0200
Re: Question about power capacity of electrical motors. bill.sloman@ieee.org - 2017-07-25 03:17 -0700
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-15 21:46 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 02:13 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 05:49 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 15:26 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 12:45 -0400
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-21 12:08 -0500
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 17:10 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:43 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 18:07 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 15:10 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 19:32 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 17:32 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 22:11 +0000
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-22 10:51 -0400
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-22 17:55 -0500
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-22 17:58 -0500
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-22 18:56 -0500
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-22 21:25 -0400
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-23 20:01 -0500
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-24 05:35 -0400
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-24 08:39 -0500
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-24 20:15 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-25 11:56 +0200
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-25 20:23 -0500
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-26 20:28 -0500
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-29 18:47 -0500
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-29 21:18 -0400
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-29 23:59 -0500
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-31 17:05 -0400
Re: Question about power capacity of electrical motors. Lofty Goat <rlwatkins@gmail.com> - 2017-07-24 20:13 -0500
Re: Question about power capacity of electrical motors. David Lesher <wb8foz@panix.com> - 2017-07-17 22:29 +0000
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-21 04:18 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 15:29 +0000
Re: Question about power capacity of electrical motors. John Larkin <jjlarkin@highlandtechnology.com> - 2017-07-15 12:51 -0700
Re: Question about power capacity of electrical motors. kevin93 <kevin@whitedigs.com> - 2017-07-15 13:56 -0700
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 06:22 -0400
Re: Question about power capacity of electrical motors. Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-07-21 05:57 -0700
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:08 -0400
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-15 23:47 -0500
Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-16 00:58 -0400
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-16 09:22 +0200
Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 01:13 -0400
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 08:46 -0500
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 06:26 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 15:32 +0000
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-21 11:09 -0500
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-21 21:44 -0400
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-21 22:17 -0500
Re: Question about power capacity of electrical motors. benj <nobody@yahoo.com> - 2017-07-22 02:16 -0400
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-23 10:33 +0200
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-23 16:34 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-24 12:10 +0200
Re: Question about power capacity of electrical motors. John S <Sophi.2@invalid.org> - 2017-07-24 05:19 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-24 12:32 +0200
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-24 08:52 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-24 16:56 +0200
Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-24 12:02 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-24 23:51 +0200
Re: Question about power capacity of electrical motors. John S <Sophi.2@invalid.org> - 2017-07-24 17:16 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-25 01:12 +0200
Re: Question about power capacity of electrical motors. John S <Sophi.2@invalid.org> - 2017-07-24 18:25 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-25 11:54 +0200
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-24 17:19 -0400
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-24 17:10 -0400
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-24 23:33 +0200
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-24 21:02 -0400
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:12 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 17:25 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:45 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 18:08 +0000
Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-21 18:53 -0400
Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-22 00:23 +0000
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 06:00 -0400
Re: Question about power capacity of electrical motors. Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-07-21 06:05 -0700
Re: Question about power capacity of electrical motors. Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-07-21 08:35 -0700
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:17 -0400
Re: Question about power capacity of electrical motors. Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-07-21 09:48 -0400
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:30 -0400
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-21 17:30 +0200
Re: Question about power capacity of electrical motors. rickman <gnuarm@gmail.com> - 2017-07-21 13:34 -0400
Re: Question about power capacity of electrical motors. John S <Sophi.2@invalid.org> - 2017-07-21 13:08 -0500
Re: Question about power capacity of electrical motors. "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-07-15 19:51 -0500
Re: Question about power capacity of electrical motors. kevin93 <kevin@whitedigs.com> - 2017-07-15 18:16 -0700
Re: Question about power capacity of electrical motors. "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-07-16 00:47 -0500
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-21 06:05 -0400
Re: Question about power capacity of electrical motors. "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-07-21 19:36 -0500
Re: Question about power capacity of electrical motors. Jos Bergervoet <jos.bergervoet@xs4all.nl> - 2017-07-22 10:39 +0200
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-22 12:47 -0400
Re: Question about power capacity of electrical motors. edward.ming.lee@gmail.com - 2017-07-23 08:07 -0700
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-26 18:18 -0400
Re: Question about power capacity of electrical motors. "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-07-26 18:27 -0500
Re: Question about power capacity of electrical motors. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2017-07-22 11:40 -0400
Re: Question about power capacity of electrical motors. "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-07-23 14:32 -0500
Question about power capacity of electrical motors. pcdhobbs@gmail.com - 2017-07-15 18:14 -0700
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