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Re: "shorten the life" of a MMC cap array,
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To: tesla-at-pupman-dot-com
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Subject: Re: "shorten the life" of a MMC cap array,
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From: Terry Fritz <twftesla-at-uswest-dot-net>
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Date: Sat, 12 Feb 2000 09:38:33 -0700
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Approved: twftesla-at-uswest-dot-net
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Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme
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In-Reply-To: <6.207b2fb.25d66269-at-aol-dot-com>
Hi Leslie,
At 02:14 AM 02/12/2000 -0500, you wrote:
>Hello all:
> I have a few more questions for the group.
>1. Is it true that a small secondary coil say 3" diameter by 12" long wound
>with #28 wire, would be much harder "shorten the life" of a MMC cap array,
>then say a secondary coil say 4" by 30" wound with #20 wire?
The smaller coil would have a higher frequency. Higher frequencies cause
much greater loss in the caps so they get hotter. High break rates can
also heat caps up much faster.
http://www.peakpeak-dot-com/~terryf/tesla/misc/MMCPower4.html
has equations that deal with this.
>2. Have many people tried using the large disposable aluminum pans the kind
>used for roosting a turkey one inverted on top of the other, as a cheap
>toroid? Wouldn't look to great, but sure would save some money.
Any large smooth metal "thing" will work.
Cheers,
Terry
>Thank you all for the help,
>Leslie
>
>