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Air core transformer question -- help

Started by Unknown January 5, 2016
On Sun, 10 Jan 2016 08:08:36 -0500, DecadentLinuxUserNumeroUno
<DLU1@DecadentLinuxUser.org> wrote:

>On Sun, 10 Jan 2016 04:53:23 -0600, John S <Sophi.2@invalid.org> Gave >us: > >>On 1/7/2016 9:03 AM, DecadentLinuxUserNumeroUno wrote: >>> On Thu, 07 Jan 2016 09:58:04 -0500, legg <legg@nospam.magma.ca> Gave us: >>> >>>> On Mon, 4 Jan 2016 20:36:18 -0800 (PST), dakupoto@gmail.com wrote: >>>> >>>> >>>>> I replaced the transformer with an air core >>>>> transformer, obtained by carefully removing >>>>> the iron core of the transformer used above, >>>>> The winding is completely intact, tested by >>>>> measuring the winding resistance of both >>>>> the primary and secondary, with the transformer >>>>> not connected. I am fully aware of the reluctance >>>>> issues but this time the transformer output >>>>> is just about 0.5 Volts - 1.0 Volts AC. So >>>>> what is going wrong ? All hints/suggestions >>>>> are welcome. Thanks in advance for your help. >>>> >>>> For your own benefit, instead of removing the core, >>>> you might instead reconfigure it so that an adjustible gap is >>>> possible. >>>> >>>> EI stampings can be grouped with 'all E' and 'all I' groupings. >>>> >>>> Gradually increasing the gap in paper-width-thick increments will show >>>> you what's happening as you change the effective permeability of the >>>> magnetic core from the initially high value of silicon steel, to that >>>> of free space. ( uo = 4 x pi x E-7 ) >>>> >>>> RL >>> >>> Can we really ever put a price on space? >>> >> >>Of course. Just ask NASA. > > I DLd a pic of part of the hifi IPAC probe the other day. I used to >make some pretty elaborate and refined SMA runs in some of my rack gear, >but these guys are deep into it! > >http://www.mpifr-bonn.mpg.de/776874/zoom.jpg
Now there's some pricey real estate. RL