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[Amps] Fw: Source for plate xfrmer

To: "Al Kozakiewicz" <akozak@hourglass.com>, "Amps reflector" <amps@contesting.com>
Subject: [Amps] Fw: Source for plate xfrmer
From: "Carl" <km1h@jeremy.mv.com>
Date: Tue, 14 Feb 2012 13:04:41 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>

> There are no 4 prong outlets in my house so I guess I am doomed and also 
> damned as Im not going to rewire anything but the new appliance when and 
> if I need it.
>
> Carl
> KM1H
>
>
> ----- Original Message ----- 
> From: "Al Kozakiewicz" <akozak@hourglass.com>
> To: <TexasRF@aol.com>; <km1h@jeremy.mv.com>; <ranchorobbo@gmail.com>; 
> <steve@dx4win.com>
> Cc: <amps@contesting.com>
> Sent: Tuesday, February 14, 2012 11:08 AM
> Subject: RE: [Amps] Source for plate xfrmer
>
>
> First off, NEC codes end at the outlet.  An amp is an "appliance" and 
> would be covered by UL, which is entirely optional.  There is nothing that 
> forbids such a practice - an electric range is a good example as the overn 
> elements are typically 240v, while the burners, controls and lamps are 
> 120v.
>
> The issue is that a range uses a 4 prong outlet - 2 x hot, neutral and 
> ground, while your typical amp/AC outlet is missing the neutral.  You may 
> NOT connect your fan between a hot and the chassis ground, even though it 
> would be electrically rational.  If the safety ground failed, the chassis 
> would then be at 120v with respect to ground.
>
> Al
> AB2ZY
>
> ________________________________________
> From: amps-bounces@contesting.com [amps-bounces@contesting.com] On Behalf 
> Of TexasRF@aol.com [TexasRF@aol.com]
> Sent: Tuesday, February 14, 2012 10:54 AM
> To: km1h@jeremy.mv.com; ranchorobbo@gmail.com; steve@dx4win.com
> Cc: amps@contesting.com
> Subject: Re: [Amps] Source for plate xfrmer
>
> I guess there is some electrical code that forbids connecting the 120vac
> blower between one side of the 240ac line and neutral?
>
> I hope this doesn't start another round of ground vs neutral wiring  sins.
>
> 73,
> Gerald K5GW
>
>
>
>
>
>
>
> In a message dated 2/14/2012 9:41:22 A.M. Central Standard Time,
> km1h@jeremy.mv.com writes:
>
> You can  get more benefit with primary taps and not bothering with a pair
> of
> 120V  windings; use a seperate 120V line for blowers, LV supplies,  etc.
>
> Tapping the secondary limits your KVA as you go to lower voltages  and who
> the heck needs a CT in a big  amp?
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From:  "Rob Atkinson" <ranchorobbo@gmail.com>
> To: "Steve Bookout"  <steve@dx4win.com>
> Cc: <amps@contesting.com>
> Sent: Monday,  February 13, 2012 10:10 PM
> Subject: Re: [Amps] Source for plate  xfrmer
>
>
>> In addition EPD makes a good product but plan on  spending at least
>> $400, perhaps more.
>>
>>  http://epd-inc.com/
>>
>> How much are you prepared to  spend?   Because of the price of copper
>> any custom plate  iron you get that has some muscle is going to
>> probably cost some  coin.  More if you want it potted and several taps.
>> Even if you  don't need them if you are paying for a custom job it's a
>> good idea to  get a CT on the secondary and of course one on the
>> primary, plus a few  more taps on the secondary.   You may decide 4.25
>> KV DC with  a cap input filter is a bit high, or if not, extra taps
>> afford  different supply voltages and increase the versatility of the
>>  transformer and its resale value if you ever decide to let it  go.
>>
>> 73
>>
>> Rob
>> K5UJ
>>
>> On  Mon, Feb 13, 2012 at 12:35 PM, Steve Bookout <steve@dx4win.com>
> wrote:
>>> Hello all,
>>>
>>> Where do you look for a  new HV plate transformer these days?
>>>
>>> I understand  Peter Dahl is no longer around.
>>>
>>> I'm looking for 3000  VAC secondary @ 1+ amp CCS.
>>>
>>>  TIA
>>>
>>> 73 de Steve, NR4M
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>
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