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Re: Capacity Value Transformation
I'd use em (I do...).. They'll still draw roughly 8 Amps at 110V each,
though.. just the current will be in phase with the voltage now.
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> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Capacity Value Transformation
> Date: Sunday, April 23, 2000 12:21 AM
>
> Original Poster: ajones-at-pointlink-dot-net
>
> In <4.1.20000422111654.00a46aa0-at-pop.dnvr.uswest-dot-net>, on 04/22/00
> at 11:16 AM, Tesla List <tesla-at-pupman-dot-com> said:
>
> >Original Poster: "Jim Lux" <jimlux-at-jpl.nasa.gov>
>
> >This is actually pretty common. Those 4500V illumination
> >transformers from C&H, Herbach and Rademan, etc. have shunts and are
> >current limited by leakage inductance. They have a 600 V tertiary
> >winding across which a 10 uF 660V cap is placed for PFC. (instead of
> >the 360 uF cap you'd need at 110V)
>
> I wondered what these caps were for. Some folks said not to use them
> so I didn't. Is it safe to do so? Two transformers pull about 18 - 20
> amps, so I would like to get it down but don't have the usual pfc caps
> that are used and since my variac is a 25amp unit, I never really
> worried about it.
>
> Later,
> Alan
> _____________________________
> ajones-at-pointlink-dot-net
> ICQ #21057220
>
>