Copyright © Smart/Micro Grid Research Center, 2018 University of Kurdistan Dept. of Electrical Engineering Smart/Micro Grid Research Center smgrc.uok.ac.ir Intelligent Demand Response Contribution in Frequency Control of Multi- area Power Systems P. Babahajiani, Q. Shafiee, and H. Bevrani Published (to be published) in: IEEE Transactions on Smart Grid (Expected) publication date: 2018 Citation format for published version: P. Babahajiani, Q. Shafiee, and H. Bevrani ‘‘Intelligent Demand Response Contribution in Frequency Control of Multi-area Power Systems,’’ IEEE Transactions on Smart Grid, vol.9, no. 2, pp. 1282-1291, March 2018. Copyright policies:  Download and print one copy of this material for the purpose of private study or research is permitted.  Permission to further distributing the material for advertising or promotional purposes or use it for any profit- making activity or commercial gain, must be obtained from the main publisher.  If you believe that this document breaches copyright please contact us at smgrc@uok.ac.ir providing details, and we will remove access to the work immediately and investigate your claim.