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Transformer based grid tied inverter

sivarajan ramachandran
Prodigy 10 points

Hi,

  We used the ti design of transformerless design successfully.

The design Uses LCL filter in the output, and the 3p3z controller is used to control the inverter. 

Now i am working on transformer based grid tied inverter using the same ti 250w micro inverter. the output of transformer i am putting a C and L.

Question is how to derive the equivalent inductance of the transformer and use it as LCL in find the factor for 3p3z controller.

regards,

Sivarajan