FRT performance enhancement of PV/Wind/Grid Connected hybrid Network by TM-DBFCL using HBB-BC algorithm
The Fault ride through (FRT) capability and smoothing the output active power fluctuations are the significant factors to be emphasized and to be enhanced in hybrid grid networks. The Thyristor Mid-pointed Diode bridge type fault current limiter (TM-DBFCL) and superconducting magnetic energy storage (SMES) are the major components to improve these capabilities and reduce the power and voltage fluctuations. In this paper FRT capability enhancement and smoothing the output power are designed as a multi objective function in a fuzzy framework by optimizing the proportional integral (PI) gains of PV, Wind and SMES controllers in the network. For obtaining the optimized parameters of gains the Hybrid Big Bang and Big Crunch (HBB-BC) optimization algorithm is proposed. The parameters and multi objective function values obtained by this algorithm is substituted in the SIMULINK design and simulated by MATLAB/SIMULINK and proved that the FRT capability enhancement and smoothing the power output were attained.
Index Terms: TM-DBFCL, SMES, HBB-BC, Transient Stability, Fault ride through