Re: Ebay Pole Pigs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: tesla-at-lists.symmetric-dot-net 

On Sun, 18 Apr 2004, Tesla list wrote:

 > Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
 >
 >
 > The reason is a pole pig does not see short-circuit operation in power
 > distribution applications.
 >
 > In a TC circuit when the sparkgap fires the power xmfr is, for a short time,
 > in a direct short circuit.  External current limiting must be provided as
 > the short circuit current draw for a standard pole xmfr is 733 Amperes.

Where does this number come from? With numerology, I can figure 733 amps
with a 10kVA transformer built to 5.7%IZ that's shorted out and being fed
240 volts. Is this what we're talking about as "standard"?

KEN