W. C. New, J. Berdy, P. G. Brown and L. E. Goff, “Load Shedding, Load Restoration, and Generator Protection Using Solid-State and Electromechanical Underfrequency Relays,” General Electric Co. Pub. GET-6449, 1974, pp. 1-32. http://store.gedigitalenergy.com/FAQ/Documents/489/GET-6449.pdf
 C. R. Rowland, D. W. Smaha and J. W. Pope, “Coordina tion of Load Conservation with Turbine-Generator Un derfrequency Protection,” IEEE Transaction on Power Apparatus and Systems, Vol. 99, No. 3, 1980, pp. 1137-1150.
 M. S. Baldwin and H. S. Schenkel, “Determination of Frequency Decay Rates During Periods of Generation Deficiency,” IEEE Transactions on Power Apparatus and Systems, Vol. 95, No. 1, 1976, pp. 26-36. doi:10.1109/T-PAS.1976.32074
 H. A. Bauman, G. R. Hahn and C. N. Metcalf, “The Ef fect of Frequency Reduction on Plant Capacity and on System Operation,” AIEE Transactions on Power Appa ratus and Systems, Vol. 74, 1955. pp. 1632-1637.
 T. Q. Tuan, J. Fandino, N. Hadjsaid, J. C. Sabonnadiere and H. Vu, “Emergency Load Shedding to Avoid Risks of Voltage Instability Using Indicators,” IEEE Transactions on Power Systems, Vol. 9, No. 1, 1994, pp. 341-351. doi:10.1109/59.317592
 V. V. Terzija, “Adaptive Under-Frequency Load Shed ding Based on the Magnitude of the Disturbance Estimation,” IEEE Transactions on Power Systems, Vol. 21, No. 3, 2006. pp. 1260-1266.
 X. Xiong and W. Li, “A New Under-Frequency Load Shedding Scheme Considering Load Frequency Characteristics,” International Conference on Power System Technology, Chongqing, 22-26 October 2006, pp. 1-4.
 P. Mahat, C. Zhe and B. Bak-Jensen, “Underfrequency Load Shedding for an Islanded Distribution System with Distributed Generators,” IEEE Transactions on Power Delivery, Vol. 25, No. 2, 2010. pp. 911-918. doi:10.1109/TPWRD.2009.2032327
 T. E. Del Carpio-Huayllas, D. S. Ramos and R. L. Vasquez-Arnez, “Microgrid Systems: Current Status and Challenges,” 2010 IEEE/PES Transmission and Distribu tion Conference and Exposition: Latin America, Sao Paulo, 8-10 November 2010, pp. 7-12.
 A. H. Kasem Alaboudy, H. H. Zeineldin and L. Kirtley, “Microgrid Stability Characterization Subsequent to Fault-Triggered Islanding Incidents,” IEEE Transactions on Power Delivery, Vol. 27, No. 2, 2012, pp. 658-669. doi:10.1109/TPWRD.2012.2183150
 T. E. Del Carpio-Huayllas, D. S Ramos and R. L. Vasquez-Arnez, “Microgrid Transition to Islanded Modes: Conceptual Background and Simulation Procedures Aimed at Assessing Its Dynamic Performance,” 2012 IEEE Power & Energy Society Transmission and Distri bution Conference and Exposition, Orlando, 7-10 May 2012, pp. 1-6.
 B. Delfino, S. Massucco, A. Morini, P. Scalera and F. Silvestro, “Implementation and Comparison of Different Under Frequency Load-Shedding Schemes,” Power En gineering Society Summer Meeting, Vol. 1, 2001, pp. 308-312.