Re: [TCML] Ammeter on three phase supply

["Binny" <binny@xxxxxxxxxxxxxxx>]

For give me if I missunderstood I was thinking you were going to put the 
toridal current transformers in series witl L-1-L-2-L-3. Worked on 3 phase 
power lines for many years with a sno making crew and if you never have seen 
a 3phase fire ball blow the top off a pole and set everything left on fire 
....well all I can say is that it would help you nurture a healthy respect 
for electricty..    Binny...True belive it or not I once blew out both my 
gaffs on  an ice covered pole with a live 440 drop. In my struggle to avoid 
all thr re-rod stickers beneath I gaffed the drop and the only wire the gaff 
pierced was the ground...Wheww....
----- Original Message ----- 
From: "Jim Lux" <jimlux@xxxxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Thursday, September 15, 2011 10:41 AM
Subject: Re: [TCML] Ammeter on three phase supply


> On 9/15/11 6:20 AM, Phil Tuck wrote:
> > All,
> >
> > I have acquired a three-phase 250v alternator that has had its three 
> > phase
> > output split to provide three single phase outlets of 240v each.
> >
> > If I put the three live wires through a current transformer, would it 
> > give a
> > reading of the total current the alternator is giving out? In other words 
> > if
> > each phase has a [say] 10 amp load, will the ammeter read the total
> > alternator output of 30 amps, or would I need three separate CT's and 
> > three
> > ammeters?  (I suspect the latter unfortunately)
>
>
> The latter.
>
> In theory, if you put all three wires through the same core, it should 
> always read zero (if you don't have a neutral).  (just like a GFCI)
>
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