[Amps] Sort Start

[Will Matney]

You can add a soft start, some do and some don't. A 10 second delay though is a little too long for the soft start on the HV transformer. You only need about 4 to 5 seconds as that's actually over the time it takes for the transformer to settle down. Some circuits are a little faster than that.

Best,

Will

*********** REPLY SEPARATOR  ***********

On 8/9/05 at 11:15 AM Rich wrote:

>Gentleman, I have started bread boarding my power supply.  So far I have
>it set for the filament transformer and fan to come on first, run for 3
>( adjustable ) min then kick in a relay for 0 to280v to the HV trans , I
>have a 50ohm 100 watt resistor in line for 10 sec then full voltage (as
>set by the autotransformer) to the HV transformer.
>The caps bank will be 33uF at 6000vdc ( 3 caps 100mF 2000vdc each ),
>transformer will be set 3000 to 40000vdc.
>Before I bolt it all down and hard wire it do I need a soft start for
>the filament?
>The tube is a 4-1000a
> 
>Rich , kd0zz
> 
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