ower Engineering Jour- nal , Vol. 10, No. 3, 1996, pp. 121-127. doi:10.1049/pe:19960303 [4] A. M. Shaalan, “Essential Aspects of Power System Plan- ning in Developing Countries,” Journal of King Saud , Engineering Science , Vol. 23, No. 1, 2011, pp. 28-32. [5] A. M. Shaalan, “Reliability Evaluation in Generation Expansion Planning Based on the Expected Energy Not Served,” Journal of King Saud , Engineering Science , Vol. 24, No. 1, 2012, pp. 11-18. [6] D. Despa, Y. Mitani, L. Changsong and M. Watanabe, “PMU Based Monitoring and Estimation of Intercon- nected Power Oscillation for Singapore-Malaysia Inter- connection Power Systems,” IEEE Conference on Power Engineering Society General Proceedings , Singapore City, 27-29 October 2010, pp. 476-480. Copyright ? 2013 SciRes. JPEE