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# Re: [femm] total losses in the conductor

- To: femm@yahoogroups.com
- Subject: Re: [femm] total losses in the conductor
- From: David Meeker <dmeeker@ieee.org>
- Date: Mon, 26 May 2003 16:01:43 -0400
- In-reply-to: <web-46627070@california.com>
- References: <web-46627070@california.com>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3.1) Gecko/20030425

`robert Macy wrote:`

> `I have a copper wire going through a core material. At DC
> the total losses in the conductor are as expected and
> represent i2r losses.`
> `BUT when I run the analysis at 1MHz the total losses in the
> conductor drops to about 1/2 that value. Losses in the core
> appear as expected.`

>     Doesn't seem intuitively correct. It seems the losses
>     should go up slightly due to "crowding" of the conduction.

> `
> Note the losses in the core are about 100 times what the
> loss was in the conductor.`
> `Any ideas?`
> `- Robert -`

`
FEMM uses an amplitude, rather than an RMS convention for AC problems.`

    --
    David Meeker
    dmeeker@ieee.org
    http://femm.berlios.de/dmeeker

``

- References:
  - total losses in the conductor
    - From: "robert Macy" <macy@california.com>

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