Assessment of distributed generation impacts on distribution networks using unbalanced three-phase power flow analysis

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2011 IEEE Power and Energy Society General Meeting, ISSN: 1944-9925, Page: 1-8

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Alam, Md Jan-E-; Muttaqi, Kashem; Sutanto, Danny
Institute of Electrical and Electronics Engineers (IEEE)
Energy; Engineering; Assessment; distributed; generation; impacts; distribution; networks; using; unbalanced; three; phase; power; flow; analysis; Physical Sciences and Mathematics
conference paper description
Impacts of Distributed Generation (DG) resources on distribution networks have been studied. A Newton-Raphson algorithm based three phase unbalance power flow program has been developed to incorporate the effects of system unbalance and single phase DG injection. Power flow equations have been formulated and solved in phase coordinated form. Effects of substation load-tap changer, voltage regulator, shunt capacitor and different type of load models have been considered in the development of the program. Phase asymmetry of distribution networks has been treated by modifying the Jacobian matrix. The proposed technique has been tested on IEEE 34 bus distribution test system for assessment of DG impacts in the networks and results have been presented. © 2011 IEEE.