A novel transient rotor current control scheme of a doubly-fed induction generator equipped with superconducting magnetic energy storage for voltage and frequency support |
Current control references during fault period: (a) stator voltage profile; (b) RSC current; (c) GSC current. Here, U s and U srated are the actual stator voltage and rated stator voltage of the DFIG, respectively; i r is the rotor current, i rd1, i rq1, and i rdem are the active current component, reactive current component, and demagnetizing current component of i r, respectively; i sr and i srrated are the actual current and rated current of grid side converter, respectively; i srd and i srq are the d -axis component and q -axis component of i sr, respectively. |
![]() |