Y. Abdel-Rady, I. Mohamed and E. F. El-Saadany “A Control Scheme for PWM Voltage-Source Distributed- Generation Inverters for Fast Load-Voltage Regulation and Effective Mitigation of Unbalanced Voltage Disturbances” IEEE Transactions on Industrial Electronics, Vol. 55, No. 5, May 2008, pp. 2072-2084.
 P. M. S. Carvalho, P. F. Correia and L. A. F. M. Ferreira, “Distributed Reactive Power Generation Control for Vol- tage Rise Mitigation in Distribution Networks,” IEEE Transactions on Power Systems, Vol. 23, No. 2, 2008, pp. 766-772.
 P. N. Vovos, A. E. Kiprakis, A. R. Wallace and G. P. Harrison, “Centralized and Distributed Voltage Control: Impact on Distributed Generation Penetration,” IEEE Transactions on Power Systems, Vol. 22, No. 1, 2007, pp. 476-483.
 F. A. Viawan and D. Karlsson, “Coordinated Voltage and Reactive Power Control in the Presence of Distributed Generation,” PES General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, IEEE, 2008.
 A. Gandelli, S. Leva and A. P. Morando, “Topological Considerations on the Symmetrical Components Transformation”, IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, Vol. 47, No. 8, August 2000, pp. 1202-1211.
 H. M. Ayres, L. C. P. da Silva, W. Freitas, M. C. de Alm- eida and V. F. da Costa, “Evaluation of the Impact of Distributed Generation on Power Losses by Using a Sensitivity-Based Method,” IEEE PES General Meeting, 2009.
 A. Kishore and E. F. Hill, “Static optimization of Reactive Power Sources by use of Sensitivity Parameters”, IEEE Transactions on Power Apparatus and Systems, Vol. PAS-90, No. 3, 1971, pp. 1166-1173.