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Re: PFC Question
- To: tesla@xxxxxxxxxx
- Subject: Re: PFC Question
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Fri, 04 Nov 2005 11:55:30 -0700
- Delivered-to: chip@pupman.com
- Delivered-to: tesla@pupman.com
- Old-return-path: <vardin@twfpowerelectronics.com>
- Resent-date: Fri, 4 Nov 2005 11:56:26 -0700 (MST)
- Resent-from: tesla@xxxxxxxxxx
- Resent-message-id: <yanG2C.A.kFD.E76aDB@poodle>
- Resent-sender: tesla-request@xxxxxxxxxx
Original poster: "Dmitry (father dest)" <dest@xxxxxxxxxxx>
> Original poster: "Gerry Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
> PFC caps can also be placed upstream of the variac as well to correct for
> the inductance added by the variac itself. However, the variac
> inductance will be a function of the variac setting (zero inductance
> when variac_out = variac_in)
it`s wrong - when "variac_out = variac_in" the coil "sees" zero
inductance from the mains side, but the mains "sees" the full variac
inductance.