Building Transformer & flux density

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: Building Transformer & flux density
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Sun, 14 Jun 1998 00:00:06 -0500
• Approved: tesla-at-stic-dot-net

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From:  Ed Phillips [SMTP:evp-at-pacbell-dot-net]
Sent:  Saturday, June 13, 1998 12:52 PM
To:  Tesla List
Subject:  Re: Building Transformer & flux density

"ok I measured a NST and a H&R transformer and found
for NST B = 7.34 Tesla
for H&R B = 5.86 Tesla"

	Something wrong there!  I don't like Teslas or any other SI units, but
in the "good old" units that would be 73,400 gauss and 58,600 gauss
which is around 5 times too high!  Something to do with centimeters and
inches or something?  1 in^2 = 6.45 cm^2, so if you divided the values
that you got by some factor such as this you should come down into the
region of 15,000 gauss which would be OK for some transformer steels.

Ed

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