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Shunts?
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From: Mark S Graalman [SMTP:wb8jkr-at-juno-dot-com]
Sent: Sunday, January 25, 1998 7:22 AM
To: tesla-at-pupman-dot-com
Subject: Re: Shunts?
Greg,
The shunts don't limit primary current, they
limit secondary current by bypassing some of
the lines of flux around the secondary winding,
in a sense its a lossy core, a core with a
built in loss in regards to coupling power to the
secondary.
Mark Graalman
On Sat, 24 Jan 1998 22:49:51 -0600 Tesla List <tesla-at-pupman-dot-com> writes:
>
>----------
>From: Gregory R. Hunter [SMTP:ghunter-at-mail.enterprise-dot-net]
>Sent: Saturday, January 24, 1998 12:37 PM
>To: Tesla List
>Subject: Shunts?
>
>Dear Readers,
>
>I have a question that's bugging me. How do current limiting
>magnetic shunts work? I don't have any reading material on power
>transformers, and I can't figure out how current limiting
>transformers work.
>
>I've been examining some old microwave oven transformers. They are
>current limited, as I can clearly see the shunts. The primary is
>bundled on the bottom, and the secondary is bundled on top. The
>shunts are sandwiched in between. They form a bridge between the
>center and outer legs of the core. They look exactly like the core
>material. I have a good grip on power transformer fundamentals, but
>I don't see how the shunts can clamp both primary and secondary
>current. Any body have a clue?
>
>Greg
>
>
>