Open Delta Primary Wye Secondary

[VicBSEE]

Hello everyone.

I would like know someone that could please help me to figure out some of the calculations of what would happen to the secondary outputs of a Delta Wye Transformer. I know that at the input, one of the windings would get 100% of the input voltage, and the other two windings would get 57.7%, I believe, but I am not 100% sure. On the secondary, one winding would get 100% of the voltage, but the total output power on the secondary would be 57.7% of the power. How could I simulate this?

Thank you

Victor

 

[NewtonLaw]

Please clarify, is the primary side of the transformers connected to two phases of a Delta? Or is the primary connected to two phases of a Wye primary but the transformers are connected as an open delta on the primary side?

The secondary side is to be operated as an Open Wye? Since you said "...the secondary outputs of a Delta Wye Transformer." I assumed the primary side is connected as a Delta and the secondary is Wye. Is this correct? It would be better to show me a connection diagram if you could.

I can show you how connect open Wye to open Wye, open Wye to open Delta but I need more information.

 

[gar]

220527-0901 EDT

VicBSEE:

I really don't know what is your question.

The thread title is "Open Delta Primary", this implies to me you are talking about two single phase transformers connected as an open delta input fed from a three phase source, wye or delta.

From these two input phases you want to generate a three phase wye output. This can be done with two secondaries on each of the transformers, but not with one secondary on each transformer. With just one secondary on each of the two transformers you can only produce an open wye output. In other words the only output is two phases of a three phase system.

If you look at a real three phase transformer, then you need to study the flux linkages.

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