Optimized Use of Flux Coupling Superconducting Fault Current Limiter to Improve the Performance of DFIG Based Wind Power Generation System

This paper proposes a nonlinear control-based flux coupling superconducting fault current limiter (NC-FC-SFCL) to enhance the transient performances of doubly fed induction generator (DFIG) based wind power system. This nonlinear control helps to utilize the fault limiting impedance of flux coupling superconducting fault current limiter (FC-SFCL) adaptively which suits the nonlinear dynamics of the power system more appropriately. This proposed NC-FC-SFCL's efficacy is compared with conventionally controlled FC-SFCL and it is found that the NC-FC-SFCL is superior in each aspect than the FC-SFCL.