Carel, what is your primary voltage there? Do you have three phase primary
power?
73,
Gerald K5GW
In a message dated 10/25/2011 1:11:15 P.M. Central Daylight Time,
pc5m@xs4all.nl writes:
Hi,
I have two identical 3 phase high voltage transformer (each around 4KVA /
50 kg/ 100 pounds). Issue is they are designed for US 3 phase voltages. (so
120 / 204V) so can't use them in Europe as is. What I would like to do is
to
put the 2 units at the primary side in serie and at the secondary side in
parallel. Primary and secondary in wye config.
Q: Would there be any benefit of connecting the secondary windings of the
two transformers first parallel and than rectify (with only one rectifier
bridge) or the other way around ? For me it is much easier to first rectify
both transformers and than put the rectified voltage parallel (only one
highvoltage interconnect between both the big/heavy transformer boxes.).
I have seen some constellations with two 3 phase transformer to gain some
benefit in creating additional phases in order to reduce the ripple voltage
even more. Don't know if I could utilize such a thing as well ? However,
if
I recall they were placed in parallel at the input.
Thanks for any idea's . Gl, Carel
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