Re: pfc caps

• To: tesla-at-pupman-dot-com
• Subject: Re: pfc caps
• From: "Edward V. Phillips" <ed-at-alumni.caltech.edu>
• Date: Sat, 13 Jul 1996 10:28:44 -0700 (PDT)

P"Just a quickie -- are pfc caps in series or parallel with the
transformer?"
Parallel. Apparently commercial practice often has a primary
with the capacitor across the whole winding, and the line
tapped somewhere in the middle.  This lets you get by with less
capacitance, albeit at a higher voltage.  By the way, both
Richards keep reminding us that neon transformers are a shoddy,
cheap commercial product.
I've been "correcting" some 12 kV, 60 ma units by hooking 72
mfd, 380 VAC oil capacitors across them, and seems to work OK.
No-load line current is about the same as for PF corrected units.
Ed Phillips

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