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Tim Wyatt 20th March 2004 02:52 PM

choke winding
 
I am wanting to wind my own 10H choke. Any good info on the web as far as gauge and number of turns ect that you know of? Thanks.

Sherman 20th March 2004 03:27 PM

Try this-

http://lalena.com/audio/calculator/inductor/

audiobot 20th March 2004 04:48 PM

cool
 
Hi Tim,

I've been thinking about trying this too. Just sort of practice to trying output transformers. There is a good section in RDH4 that walks you through all of the calculations. I don't remember any good web sources, but will check some of my links.

Sherman-That calculator is for an air core inductor not an iron core choke. Good for RF or speaker crossovers, not so good for filter chokes.

Michael

Tim Wyatt 20th March 2004 05:21 PM

Re: cool
 
Quote:

Originally posted by audiobot
Sherman-That calculator is for an air core inductor not an iron core choke. Good for RF or speaker crossovers, not so good for filter chokes.

Michael


I wonderd why I was coming up with a 15 pound monster choke

:)

Fuling 20th March 2004 07:03 PM

If a german link i OK, have a look at this page:
http://www.jogis-roehrenbude.de/

Scroll the sidebar all the way down (almost)

tom1356 20th March 2004 07:10 PM

Are there any guidelines or calculators for winding fine silver wire chokes or inductors?

Sch3mat1c 20th March 2004 07:48 PM

Silver is almost the exact same as copper except for color and price. Nothing changes, except maybe a slight increase in current capacity. Much more benefit using say, GOSS as opposed to a NOSS core.

Hey Tim, I'd go with 2 or 3000 turns of wire adequate for the current draw, on a gapped core of sufficient size to hold the wire. You can use SWAG's to find such things as winding area needed, based on turns and wire diameter. I happen to have a table for all those figures though. :D

If it's for a pi filter, you can space (random) wind, just put the wire on evenly in semi-layers. If choke input, you'll need to wind even layers and insulate between each with a strip of plastic or paper.

Tim

fdegrove 21st March 2004 01:57 AM

Hi,

Quote:

Silver is almost the exact same as copper except for color and price. Nothing changes, except maybe a slight increase in current capacity.
If you use silver wire as hook-up wire etc. in your system it does make alot of sense to use it throughout.

Cheers,;)


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