PT question

[kagliostro]

If a transformer has two identical voltage and current windings

is correct to assume that it can be used as a CT transformer ?

see this one as an example

http://www.antekinc.com/details.php?p=730

I think this can be done, on the contrary a CT transformer can't be used as a two separate windings transformer, correct ??

Thanks

K

[sluckey]

If a transformer has two identical voltage and current windings is correct to assume that it can be used as a CT transformer ?

Yes, but phasing is important. Hook it up wrong and you'll have zero volts end to end rather than twice the voltage end to end.

[kagliostro]

Thanks Steve

and is correct that a CT transformer can't be used as a double winding transformer ?

in other words, having a CT transformer is or is not possible to use two different diode bridges to rectify each single branch independently ?

Thanks

Franco

[PRR]

Not.

[drgonzonm]

My two cents.
Provide a schematic of what you are proposing. 
Also, do you have the model number of the p/t you are proposing? 

(I just can't get out of my mind polyphase applications).  My question, is how much different is K asking if I were to put bridge rectifiers on the two 120 legs of power going into my house, as that transformer feeding the house is a 120-0-120, (240 volts between legs)  (USA) If I live in an apartment, I could conceivably have 120-0-120 and 208 between legs.   

My brain is in broken mode.  After reviewing getting 12 phases out of a three phase input,  (y-input, delta and y-outputs)

[kagliostro]

I was thinking to some absurd rectify like this

K

[drgonzonm]

I with the center tap, only two diodes are needed.  Only reason for adding diodes in a series is to increase the voltage rating. 

[PRR]

In all three plans, half the diodes stay reverse-biased all the time. Useless.

[kagliostro]

Useless

For sure, they are absurd

K