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Re: FOUND the answer to my own question about PFC caps



Original poster: "Jonathan Peakall by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jpeakall-at-madlabs.info>

Hi,

You can get values larger than 65 uF easily. USA manufacturing sells PFC
caps dirt cheap. They have multi value caps, nice for "tuning" your PFC.

Regards,

Jonathan Peakall
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, July 31, 2002 4:58 PM
Subject: FOUND the answer to my own question about PFC caps


> Original poster: "Dan by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<toodamtall1-at-yahoo-dot-com>
>
> Capacitor Details
>
> Start Capacitor :The electrolytic start capacitor
> helps the motor achieve the most beneficial phase
> angles between start and main windings for the most
> locked-rotor torque per locked-rotor ampere. It is
> disconnected from the start circuit when the motor
> reaches about 75% of full-load speed.
>
> The start capacitor is designed for short-time duty.
> Extended application of voltage to the capacitor will
> cause permature failure, if not immediate destruction.
> Typical ratings for motor start capacitors range from
> 100 to 1,000 microfarad (uF) capacitance and 115 to
> 125 volts AC.
>
> Run Capacitor : These are constructed similarly to
> start capacitors, except for the electrolyte. They are
> designed to serve continuously in the run circuit of a
> capacitor-start /capacitor-run motor. They withstand
> higher voltages, in the range of 250 to 370 Vac. They
> also have lower capacitance, usually less than 65 uF.
>
>
>
>
>
>