Larry,
Sure they can, you just have to watch the phasing of the windings. In other
words, for a series connection like the primary, the end of one winding has to
connect to the start of the other and you have a start of a winding and an end
of a winding available for the line connection. In parallel it's the opposite.
All start winding connections connect together and all end winding connections
connect together. These are generally shown on a schematic by a black dot at
the top of a winding (coil). There's tests you can do to get the phasing
correct, but if they're not you'll know it quickly as if they're identical
windings, they'll act as a short and you'll have 0 voltage coming out of the
transformer (out of phase windings have a subtractive effect on the voltage).
You can use a variac or low voltage transformer to apply a low voltage to the
primary to check this without damaging anything. 12 Vac would probably work so
you can see that they are connected correctly.
Best,
Will
*********** REPLY SEPARATOR ***********
On 8/18/06 at 2:50 PM Larry Carman wrote:
>Can a pair of HV transformers having 110 primaries be hooked up in series
>to
>220 and there 2000 secondary ran in parallel? I would assume you would
>still
>need secondary inductance to equalize the currents through each
>transformer?
>
>
>
>
>Larry N5BIP
>
>------------------------------------------------------
>
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>
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>
> Will Rogers
>
>
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