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Re: Repost: NST VA Rating and Power Factor
Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>
But, on the other hand, you've got the huge leakage inductance of the NST,
which I think will dominate over the primary cap. However, for a HPF NST,
there might not be much to be gained by adding PFCs.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Sent: Sunday, May 20, 2001 4:12 PM
Subject: Re: Repost: NST VA Rating and Power Factor
> Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> > I have two NSTs, both 12kv at 60ma, high power factor (rated 400va). It
> > my understanding that the HPF NSTs have a built in capacitor to correct
> > current lag due to the inductive load. Adding the PFC cap reduces the
> > current without reducing the output. See also Terry's posts on PFC
> Note that the NST power factor correction is for use with a RESISTIVE
> load on the secondary. When you connect an NST to a TC primary you have
> a capacitive load to start with, and the PFC on the line may or not
> lower the line input current to the PFC/NST in parallel. It's not
> obvious to me that PFC's make sense in that case.