Fig. 16From: Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategyDynamic responses of LFC and AVR combined model considering CTDs, without and with IPFC and RFBs: a Δf1; b ΔPtie12; c Δf2; d V1; e V2Back to article page