[Milsurplus] More info...

[ersmar at comcast.net]

Rick:

     FWIW:  Two 30 mfd, 440 VAC caps in series will give you the equivalent of one 15 mfd, 880 VAC cap.

73 de
Gene Smar  AD3F


 -------------- Original message ----------------------
From: Rick Brashear <rickbras at airmail.net>
> After calling many, many locations I discovered a 15 mfd @ 660 vac 
> capacitor is a rarity.  Most everyone has capacitors to 440 vac, but 
> nothing higher.  CDE makes them, but they have a BIG minimum!  So, in 
> order to get the cap it will be expensive or lucky.  That being said, I 
> decided I need to know more about the transformer just in case the 
> capacitor that was mounted haphazardly is really the correct value.  It 
> was wired in with #24 hook up wire whereas everything else uses #14 
> plastic insulated wire with connectors on the ends.  I am lacking one 
> vital number, the inductance of the winding on which the capacitor 
> connects.  I can calculate the inductance using the 15 mfd capacitor, 
> but that proves nothing considering it may not be the proper one.  Also, 
> after rechecking the cap, I don't think it's shorted.  It could be it 
> gives way when the ac voltage is applied, but I don't think so.  When I 
> attach it to the transformer winding it draws in excess of 45 amps, so I 
> know that's not right.  Do you think it is  possible this is the 
> incorrect capacitor and that's why it's acting as if it were partially 
> shorted when attached since it would be out of resonance? 
> 
> I did a little more cleaning on the transformer and found the following 
> numbers:
> 
> BX 5847 A
> 15-05-0002
> 
> Except for the primary, secondary, center tap and "cap" labels that is 
> it.  Does anyone recognize these numbers as a certain manufacturer's?
> 
> Thanks for your patience and assistance.  Thanks for the considerable 
> bandwidth.
> 
> Rick
> 
> 
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