Re: NST Power Factor?
From: Thomas McGahee[SMTP:tom_mcgahee-at-sigmais-dot-com]
Sent: Friday, January 09, 1998 9:29 AM
To: Tesla List
Subject: Re: NST Power Factor?
> From: Thornton, Russ #CSR2000[SMTP:ThorntoR-at-rc.pafb.af.mil]
> Sent: Thursday, January 08, 1998 6:03 AM
> To: 'Tesla discussion Group'
> Subject: RE: NST Power Factor?
> >Subject: Re: NST Power Factor?
> >Using these will not save you any money, but they will draw substantially
> >less current and help you extend your variac's capability to drive
> >multiple transformers. Also, with a 660VAC oil cap of appropriate value,
> >any "normal PF" neon can be similarly corrected.
> How would one calculate the appropriate value for this correction cap?
> Russ Thornton
> CSR 2040,
> Building 989, Rm. A1-N20
> Phone: (407) 494-6430
> Email: thorntor-at-rc.pafb.af.mil
Gary Weaver posted experimental results on use of PFCs awhile back.
It seems that about 50 mfd is the best for a single 12KV -at- 30 ma NST.
He was using 150 mfd for three 12KV -at- 30 ma in parallel.
The values are not overly critical, and even as low as 40 mfd worked
Hope this helps.
Fr. Tom McGahee