Why back-to-back converter of the dfig have bidirectional power flow and how?

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Mohamed Benbouzid

Dear Khaled,

Bidirectional flow in a DFIG-based wind turbine is almost typical as it is related to the sub-and super-synchronous modes operation of the DFIG (see the attached paper).

Regards,

Mohamed

Kouider Khaled

@Mohamed Benbouzid · thanks a lot.....I appreciated your effort

Houssam Nahilia

Hi Khaled,

I agree with the answer of Mohamed Benbouzid. DFIG can operate in super or sub synchronous modes. In each mode, the power transit through the back to back converter differs from the other mode .

You can check the schematics in the attached link, page 94.

Cordially,

https://tel.archives-ouvertes.fr/tel-00011383/document

yes it's clear now...thanks a lot brother