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Re: Ferrite chokes & saturation - why toroids?
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To: "'Tesla List'" <tesla@poodle.pupman.com>
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Subject: Re: Ferrite chokes & saturation - why toroids?
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From: Tesla List <tesla@stic.net>
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Date: Fri, 28 Nov 1997 22:31:14 -0600
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Approved: tesla@stic.net
From: RODERICK MAXWELL[SMTP:tank@mail.magnolia.net]
Reply To: tank@mail.magnolia.net
Sent: Thursday, November 27, 1997 10:15 AM
To: Tesla List
Subject: Re: Ferrite chokes & saturation - why toroids?
> Right. But what is their inductance at the peak currents you are
> pushing through them?
>
> Malcolm
Also since I'm using Iron powder in the toroid it can handle much
higher current without saturating. I am using ferrite toroid chokes
before the bridge rectifier for filtering, and to prevent high surge
current when power is first applied to the large capacitor bank I'm
using( >20,000uf). Also I have a 1.5mH air core choke immediately after
the bridge to aid in filtering, and to limit the rate of charge to the
banked caps.
Frankensteins Helper
Max