[Amps] Re: Step-start calculation
Joe Subich, K4IK
k4ik at subich.com
Sat Nov 20 15:00:20 EST 2004
> Thanks for the numbers, its educational. The program assumes mains
> resistance of zero. Since you know the value, it adds to primary
> winding resistance.
>
> Results at 240V in, 2.2M RL, parallel 2 x 93 uFd= 186 uFD
> Vout = 4435V
> Ipk turnon = 70A
>
> Loading the output (knowing what you like to run)
> RL = 2K Vout = 4050 to 3985V (65V ripple)
> RL=1.5K Vout = 3960 to 3878V (82V ripple)
> That's a nice supply.
Problem is the rectifier is a Full Wave Doubler - not a Full Wave
Bridge. Effective capacitance is 93/2 = 46.5 uF.
73,
... Joe, K4IK
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