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Re: [Amps] Source for plate xfrmer

To: "B Osburn" <plantrunner5@msn.com>, <amps@contesting.com>
Subject: Re: [Amps] Source for plate xfrmer
From: "Carl" <km1h@jeremy.mv.com>
Date: Tue, 14 Feb 2012 09:37:54 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Thanks Brad, thats all new news to me and something to watch out for at area 
surplus shops.

Carl
KM1H


  ----- Original Message ----- 
  From: B Osburn 
  To: amps@contesting.com ; Carl 
  Sent: Monday, February 13, 2012 11:10 PM
  Subject: Re: [Amps] Source for plate xfrmer


  No, they are regular EI cores.  Plain transformers used to supply control 
power for relays, etc. on MV busses.  Not high Z.  My HV wdg measures(DC) 6.8 
ohms, LV 0.1 ohms with a Fluke 87. Here is my nameplate info but they will all 
be different.  They have pictures for most of them I think. 
  5kVA 60CPS 1 PH Type E17046
  H1-H2 2300V   X1-X7  280V  17.8A
  GE 193A6778 P38
  Electro Engineering Works    San Leandro, California
  I think mine is 40-50 years (no Zipcode) old but in good shape.  We have 
4160V switchgear that old in service today.  This stuff is built to last. 
  Brad AB0YD
     
    ----- Original Message ----- 
    From: Carl 
    To: B Osburn ; amps@contesting.com 
    Sent: Monday, February 13, 2012 8:13 PM
    Subject: Re: [Amps] Source for plate xfrmer


    Are those suitable for ham amp use or do they have old style high impedance 
(and DC resistance) windings that are not that suitable for a big C only filter?
    IE: Pole Pigs

    Carl
    KM1H



      ----- Original Message ----- 
      From: B Osburn 
      To: Al Kozakiewicz ; Steve Bookout ; amps@contesting.com ; Carl 
      Sent: Monday, February 13, 2012 9:52 PM
      Subject: Re: [Amps] Source for plate xfrmer


      I don't think this is what you are looking for but Monster Controls has 
used control power XFMRs.  I paid $950 for a 5kVA 240/2400V + Shipping. They 
only come in common medium voltage (MV) switchgear voltages 2400, 4160, 6900V.  
Sizes range from 0.75kVA to 5kVA. 
      Brad AB0YD

      http://www.monster4controls.com/parts/cat/control%20power%20transformer/


        ----- Original Message ----- 
        From: Carl 
        To: Al Kozakiewicz ; Steve Bookout ; amps@contesting.com 
        Sent: Monday, February 13, 2012 4:55 PM
        Subject: Re: [Amps] Source for plate xfrmer


        And you pay thru the nose. Id check with Heyboer Transformer if you 
Dont 
        have to have a C-Core.

        Carl
        KM1H


        ----- Original Message ----- 
        From: "Al Kozakiewicz" <akozak@hourglass.com>
        To: "Steve Bookout" <steve@dx4win.com>; <amps@contesting.com>
        Sent: Monday, February 13, 2012 1:38 PM
        Subject: Re: [Amps] Source for plate xfrmer


        > Unless something changed, Harbach Electronics now makes/sells the 
Dahl 
        > transformers.
        >
        > Al
        > AB2ZY
        >
        > ________________________________________
        > From: amps-bounces@contesting.com [amps-bounces@contesting.com] On 
Behalf 
        > Of Steve Bookout [steve@dx4win.com]
        > Sent: Monday, February 13, 2012 1:35 PM
        > To: amps@contesting.com
        > Subject: [Amps] Source for plate xfrmer
        >
        > 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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