A novel transient rotor current control scheme of a doubly-fed induction generator equipped with superconducting magnetic energy storage for voltage and frequency support
Shen Yang-Wua), Ke De-Ping†a), Sun Yuan-Zhanga), Daniel Kirschenb), Wang Yi-Shenb), Hu Yuan-Chaoa)
       
The second-order band-pass filter based stator flux component decomposition algorithm. Here, R s is the stator resistance and 1/ S presents the integrator.