Amps
[Top] [All Lists]

Re: [Amps] Source for plate xfrmer

To: <k2vco.vic@gmail.com>, <amps@contesting.com>
Subject: Re: [Amps] Source for plate xfrmer
From: "DAVE WHITE" <mausoptik@btinternet.com>
Date: Thu, 16 Feb 2012 08:53:27 -0000
List-post: <amps@contesting.com">mailto:amps@contesting.com>
A howitzer to go dove hunting.  What a fantastic analogy :-)

Dave G0OIL


----- Original Message ----- 
From: "Vic, K2VCO" <k2vco.vic@gmail.com>
To: <amps@contesting.com>
Sent: Wednesday, February 15, 2012 11:21 PM
Subject: Re: [Amps] Source for plate xfrmer


> What would be the point of using it in an amplifier power supply? An arc
> would turn tubes (etc.) into plasma. It's like using a howitzer to go
> dove hunting.
>
> On the other hand, if you are building a Death Star it would be a good
> start.
>
> On 2/15/12 1:32 PM, Rob Atkinson wrote:
>> Yes it's shorted.  It's one of those Maxwell energy discharge caps
>> which means it has to be derated to 6 KV for WVDC.  I bought it on
>> eBay in a Gov't auction.  I know from a friend's experience that
>> insane amounts of filter capacitance like that can't be brought up
>> with a single step start unless you want melted relays.   It has to be
>> ramped up slowly over a 30 to 60 second period.   I have to not only
>> work out a good bleeder system but also a way to tell whether or not
>> the bleeders in service are functioning and have redundancy.   IF I
>> actually use it.
>>
>> Dave, what would YOU do with it? : )
>>
>> 73
>>
>> rob
>> k5uj
>>
>>
>>
>> On Wed, Feb 15, 2012 at 11:21 AM, Mike Andrews<mikea@mikea.ath.cx> 
>> wrote:
>>> On Wed, Feb 15, 2012 at 05:01:22PM -0000, DAVE WHITE wrote:
>>>> I can just picture the crater where St Charles, IL used to be if you
>>>> discharged that beast!  Where on earth did it come from?  If you 
>>>> weren't so
>>>> far away I'd be asking you if it was for sale....
>>>>
>>>> Dave G0OIL
>>>>
>>>> ----- Original Message -----
>>>> From: "Rob Atkinson"<ranchorobbo@gmail.com>
>>>> To: "Carl"<km1h@jeremy.mv.com>
>>>> Cc:<amps@contesting.com>
>>>> Sent: Wednesday, February 15, 2012 4:19 PM
>>>> Subject: Re: [Amps] Source for plate xfrmer
>>>>
>>>>
>>>>> I have a 10 KV 200 uF oil cap weighs 175 lbs and that's why I'm
>>>>> hesitant to use it.
>>>
>>> Hmmmmm ... .5 * C * V * V
>>>            .5 * .0002 * 10^4 * 10^4
>>>            10^-4 * 10^4 * 10^4
>>>                    10^4 Joules.
>>>
>>> That's ... hefty.
>>>
>>> You do keep it shorted when not in circuit, *YES*?
>> _______________________________________________
>> Amps mailing list
>> Amps@contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>
> -- 
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco/
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
> 


_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>