E. Naderi,Hossein Seifi and M. S. Sepasian, “A Dynamic Approach for Distribution System Planning Considering Distributed Generation,” IEEE TRANSACTIONS ON POWER DELIVERY, VOL. 27, NO. 3, JULY 2012.  W. El-Khattam, Y. G. Hegazy, and M. M. A. Salama, “An integrated distributed generation optimization model for distribution system planning,”IEEE Trans. Power Syst., vol. 20, no. 2, pp. 1158–1165, May 2005.  Y. M. Atwa, E. F. El-Saadany, M. M. A. Salama, and R. Seethapathy, “Optimal renewable resources mix for distribution system energy loss minimization,” IEEE Trans. Power Syst., vol. 25, no. 1, pp. 360–370, Feb. 2010.  N. Khalesi, N. Rezaei, and M.-R.Haghifam, “DG allocation with application of dynamic programming for loss reduction and reliability improvement,” Int. J. Electr. Power Energy Syst., vol. 33, no. 2, pp. 288–295, Feb. 2011.  Z. Liu, F. Wen, and G. Ledwich, “Optimal siting and sizing of distributed generators in distribution systems considering uncertainties,”IEEE Trans. Power Del., vol. 26, no. 4, pp. 2541–2551, Oct. 2011.  C. Novoa and T. Jin, “Reliability centered planning for distributed generation considering wind power volatility,” Elect. Power Syst. Res., vol. 81, no. 8, pp. 1654–1661, Aug. 2011.  A. Kumar and W. Gao, “Optimal distributed generation location using mixed integer non-linear programming in hybrid electricity markets,” IET Gener. Transm.Distrib., vol. 4, no. 2, pp. 281–298, Feb. 2010.  J.-H. Teng, Y.-H.Liu, C.-Y.Chen, and C.-F. Chen, “Value-based distributed generator placements for service quality improvements,” Int..J. Elect. Power Energy Syst., vol. 29, no. 3, pp. 268–274, Mar. 2007.  W. Prommee and W. Ongsakul, “Optimal multiple distributed generation placement in microgrid system by improved reinitialized social structures particle swarm optimization,” Euro. Trans. Electr. Power, vol. 21, no. 1, pp. 489–504, Jan. 2011.  Mauricio E. Samper, and Alberto Vargas, “Investment Decisions in Distribution Networks Under Uncertainty With Distributed Generation—Part I:Model Formulation”IEEE Trans. Power Syst., vol. 28, no. 3, pp. 2331–2340, Aug. 2013.  Mauricio E. Samper, and Alberto Vargas, “Investment Decisions in Distribution Networks Under Uncertainty With Distributed Generation—Part II:Implementation and Results,”IEEE Trans. Power Syst., vol. 28,no.3,pp.2341–2351,Aug. 2013.  Haffner, S., Pereira, L.F.A., Pereira, L.A., and Barreto, L.S., Multistage model for distribution expansion planning with distributed generation—part I: problem formulation, IEEE Trans. Power Del. vol. 23, no. 2, pp. 915–923 (Apr. 2008).  Haffner, S., Pereira, L.F.A., Pereira, L.A., and Barreto, L.S., Multistage model for distribution expansion planning with distributed generation—part II: numerical results, IEEE Trans. Power Del. vol. 23, no. 2, pp. 924–929 (Apr. 2008).  Celli, G., Ghiani, E.,Mocci, S., and Pilo, F., A multi objective evolutionary algorithm for the sizing and sitting of distributed generation, IEEE Trans. Power Syst. vol. 20, no. 2, pp. 750–757 (May. 2008).  Siano, P., Ochoa, L.F., Harrison, G.P., and Piccolo, A., Assessing the strategic benefits of distributed generation ownership for DNOs, IET Gener. Transm.Distrib., 2009, vol. 3, iss. 3, pp. 225–236 (Sep. 2008).  Piccolo, A., and Siano, P., Evaluating the impact of network investment deferral on distributed generation expansion, IEEE Trans. Power Syst. vol. 24, no. 3, pp. 1559–1567, (Aug. 2009).  Favuzza, S., Graditi, G, Ippolito, M.G., and Sanseverino, E.R., Optimal electrical distribution systems reinforcement planning using gas micro turbines by dynamic ant colony search algorithm, IEEE Trans. Power Syst. vol. 22, no. 2, pp. 580–587 (May. 2007).  Gil, H.A., and Joos, G., Models for quantifying the economic benefits of distributed generation, IEEE Trans. Power Syst. vol. 23, no. 2, pp. 327–335 (May. 2008).  Wang, L., and Singh, C., Reliability-constrained optimum placement of reclosers and distributed generators in distribution networks using an ant colony system algorithm,” IEEE Trans. Power Syst. vol. 39, no. 6, pp. 757–764 (Nov. 2008).