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-Wu^a), Ke De-Ping†^a), Sun Yuan-Zhang^a), Daniel Kirschen^b), Wang Yi-Shen^b), Hu Yuan-Chao^a)

Control block diagram of the PI–R controller. Here, K _ip and K _ii are the proportional and integral parameters of PI controller. K _rl is the resonant parameters of resonant controller.