Re: Strange Current Flow

• To: tesla-at-pupman-dot-com
• Subject: Re: Strange Current Flow
• From: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 28 Feb 2000 18:48:37 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi Ross,
             No great mystery.....

> Original Poster: "ross andrews" <sflourine-at-home-dot-com> 
> 
> 
> 	Hi all,
> 
> 	I wired an ammeter up to my coil today, and something strange happens -
> 	The tranny (a 15 kV, 25 mA NST), draws about 3A on the primary when
> shorted, but when used in my coil, the meter jumps from 3 to 5A,
> sometimes even going off the scale of the thing.  Since the NST is
> current limiting by itself, the only thing I can think of is that
> perhaps only actual power is limited by the NST, and at times a large
> reactive component is induced somewhere, allowing the NST to spit out
> more current as purely reactive power.

Always remember that charging capacitors through a "current 
limiting" inductance (which is what a NST is) is really hooking a 
tuned circuit to the mains. Things will not behave as one might 
expect with purely inductive or resistive loads. 

Regards,
Malcolm

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