1. Power System Stability and Control;Kundur,1994
2. Power System Analysis;Saadat,2004
3. Variable-structure-system control applied to AGC of an interconnected power system, generation, transmission and distribution;Kumar;IEEE Proceedings C,2008
4. Y.H. Moon, H.S. Ryu, B.K. Choi, H.J. Kook, Improvement of system damping by using the differential feedback in the load frequency control, in: Proceedings of the IEEE PES 1999 Winter Meeting, 1999, pp. 683–8.
5. A new robust PID load frequency controller;Khodabakhshian;Control Eng. Prac.,2008