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Re: Capacitor C/Peek



You asked...

> From pierson-at-msd26.enet.dec-dot-comWed Oct 23 22:20:11 1996
> Date: Wed, 23 Oct 96 20:54:06 EDT
> From: pierson-at-msd26.enet.dec-dot-com
> To: mail11:  ;
> Cc: pierson-at-msd26.enet.dec-dot-com
> Subject: Capacitor C/Peek
> 
> 
> I was pondering something exceedingly basic, and getting phunny numbers.
> Specifically, what energy is in the cap in the primary tank?
> 
> I keep getting a number which seems small, someone check my math:
> 
> 
>     Joules == watt-seconds == (C(Ve2))/2
> 
> right?

Right! 1.25J for your example.

> 
>     C= 0.025 uFd (for the CP caps, just to pick a number...
>     V=10,000 V (to pick another)
> 
> Rolling this together:
>     ((2.5)*(10e-8)*(10e4)e2))/2= 1.25 Joules
> 
> Izzat right?

Yep.
Regards,
Malcolm