[Amps] Too much filtering

[Richard]

>Hello,
>
>     Interesting discussion on glitch resistors...
>    I have a HV ps with 10   1800 uf  @ 450 volt filter caps.     So I
>am assuming that the total capacitance for the B+ is  180UF
>
>   Question
>    I am using a variac to bring the HV up to 3000 vdc slowly.  Is this
>too much capacitance for a stepstart circuit?  

€  no.  I used the step-start circuit shown in Figure 1 on my Web site to 
step-start a 14kW amplifier.  Since this circuit's step-point is 
principally determined by the HV filter capacitor, it will work with 
virtually any amplifier.  As a rule of thumb, the resistance chosen 
should limit the mains startup current to <that of the relay contacts.  

> ...

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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