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Re: Question about power capacity of electrical motors.

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.

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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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Re: Question about power capacity of electrical motors. Garfield Dieter <igdle@rdlge.rf> - 2017-07-15 18:57 +0000
  Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-15 19:36 +0000
    Re: Question about power capacity of electrical motors. Garfield Dieter <igdle@rdlge.rf> - 2017-07-15 19:52 +0000
      Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-15 20:11 +0000
        Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-16 00:49 -0400
          Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 18:25 +0000
          Re: Question about power capacity of electrical motors. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-07-17 22:34 +0200
        Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 14:53 +0000
          Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:49 -0500
            Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 16:05 +0000
      Re: Question about power capacity of electrical motors. Sylvia Else <sylvia@not.at.this.address> - 2017-07-16 12:24 +1000
        Re: Question about power capacity of electrical motors. Garfield Dieter <igdle@rdlge.rf> - 2017-07-16 11:14 +0000
          Re: Question about power capacity of electrical motors. Garfield Dieter <igdle@rdlge.rf> - 2017-07-16 11:18 +0000
          Re: Question about power capacity of electrical motors. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-07-16 12:35 +0000
            Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 10:07 -0500
              Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:09 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 13:24 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:36 +0000
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 19:22 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 18:47 -0500
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 00:48 -0400
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 14:56 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:50 -0500
                Re: Question about power capacity of electrical motors. Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-07-17 22:37 +0200
            Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:08 +0000
              Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 13:26 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:36 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 16:55 -0500
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 01:09 -0400
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 14:59 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:51 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 16:01 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:59 -0500
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-17 16:52 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 14:33 -0500
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-17 20:05 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 18:10 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-17 23:59 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 22:33 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-18 04:03 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 18:23 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-18 00:00 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 22:33 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-18 04:04 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-19 20:03 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-20 01:14 +0000
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-18 17:08 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-18 12:38 -0500
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-18 17:44 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-18 12:47 -0500
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-18 17:54 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-19 20:25 -0400
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-19 21:19 -0500
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-19 20:22 -0400
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-20 16:55 +0000
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-18 17:36 +0000
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-18 17:55 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-18 15:36 -0500
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-18 21:36 +0000
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-19 20:21 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-19 20:32 -0400
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-20 16:52 +0000
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 14:58 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:52 -0500
              Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 18:40 +0000
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:49 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 19:13 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:03 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:53 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:53 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 16:56 -0500
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 00:57 -0400
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:11 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:55 -0500
            Re: Question about power capacity of electrical motors. "Paul B. Andersen" <relativity@paulba.no> - 2017-07-16 20:35 +0200
              Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:40 +0000
                Re: Question about power capacity of electrical motors. "Paul B. Andersen" <relativity@paulba.no> - 2017-07-16 21:19 +0200
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 19:30 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 16:59 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:14 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:56 -0500
                Re: Question about power capacity of electrical motors. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-07-17 02:02 +0000
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 02:02 -0400
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:21 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 10:59 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:17 +0000
                Re: Question about power capacity of electrical motors. moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-07-17 15:55 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:01 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 16:09 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:58 -0500
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 01:01 -0400
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:22 +0000
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 01:45 -0400
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:33 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:04 -0500
              Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 19:25 +0000
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 20:11 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 17:01 -0500
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 22:19 +0000
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 01:10 -0400
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 08:41 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:34 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:05 -0500
                Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 16:07 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:56 -0500
                Re: Question about power capacity of electrical motors. Ustin Veterre <utve@nauoe.ct> - 2017-07-17 22:06 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 18:01 -0500
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 22:27 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-17 16:58 +0000
          Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-16 18:26 +0000
            Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-16 18:47 +0000
              Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-16 17:01 -0500
            Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-17 00:46 -0400
              Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 08:43 -0500
              Re: Question about power capacity of electrical motors. Winfred Plumer <lewru@pulwr.cn> - 2017-07-17 15:35 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-17 11:06 -0500
              Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-17 16:59 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 18:15 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-18 00:02 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-17 22:35 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-18 04:05 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-19 20:04 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-20 01:15 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-19 21:43 -0400
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-19 21:23 -0500
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-20 03:42 +0000
                Re: Question about power capacity of electrical motors. benj <nobody@gmail.com> - 2017-07-20 11:29 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-20 17:27 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-20 19:17 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 00:15 +0000
                Re: Question about power capacity of electrical motors. benj <benj@nobody.net> - 2017-07-20 21:20 -0400
                Re: Question about power capacity of electrical motors. jimp@specsol.spam.sux.com - 2017-07-21 01:41 +0000
                Re: Question about power capacity of electrical motors. Serg io <invaalid@invalid.com> - 2017-07-21 09:55 -0500
    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. 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

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