Re: Relationship between volts and a coil?

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#486

From: bz
Date: Sat, 30 Jul 2005 00:02

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Terry Given <my_name@ieee.org> wrote in news:a5CFe.3788$PL5.352331
@news.xtra.co.nz:

> A fun thing to do is get a voltage-mode smps and heat the core up to the 
> curie point, whence the core effectively disappears, inductance 
> skyrockets and *bang* the smps self-destructs.

When they were 'charging' the new 700 MHz NMR superconducting magnet 
[slowly running the current up], the magnet 'quenched'. Boiled off 2000 Ltr 
of liquid He in just a few seconds. The fog set off the fire alarm and 
cleared the building. 

The magnet wasn't damaged. 



-- 
bz    	73 de N5BZ k

please pardon my infinite ignorance, the set-of-things-I-do-not-know is an 
infinite set.

bz+ser@ch100-5.chem.lsu.edu   remove ch100-5 to avoid spam trap

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From: bz <bz+ser@ch100-5.chem.lsu.edu>
Newsgroups: sci.electronics.repair,aus.electronics
Subject: Re: Relationship between volts and a coil?
Date: Sat, 30 Jul 2005 00:02:53 +0000 (UTC)
Organization: in search of light
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