Re: power factor correction?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 7/7/03 7:37:29 PM Eastern Daylight Time, 
tesla-at-pupman-dot-com writes:

David,

I used a motor start cap as PFC for my research coil for a couple of
years.  It got warm, but didn't smoke or blow up.  But it could have,
so it's not recommended.

John


>Josh,
>
>Can you tell us what the voltage/capacitance rating of your mystery
>"black soda can" cap is? If it is a non-precise cap rating (ex: 145-210 ufd)
>as opposed to a single 35 uFD or 50 uFD rating, then it most likely is
>a non-polarized electrolytic START cap. If this is indeed the case, then
>the real mystery is why isn't your cap smoking within 15 seconds ??
>The only thing that I could figure is that the voltage rating is much
>higher than what you are using it for, so the short duty cycle design
>doesn't come into play as much (i.e. like you are applying to 120 volts to
>a start cap unit rated for 330 VAC)
>
>David Rieben
>