• Mokkala Chandrika
• Prof G.V.Marutheswar

A novel approach has been proposed in this paper to find out optimal position of DG units in radial distribution system. In order to find the optimal size, quantity and position of DG units for real power loss reduction and voltage profile enhancement .So a unified load flow (LF) model for AC-DC hybrid distribution systems (DSs) is proposed. The proposed model can be applied in hybrid DSs with mixed configurations for AC/DC buses and AC/DC lines. Such predictions underscore the need for the development of a unified AC-DC load flow (LF) model that can be used for the planning and operation of future hybrid DSs. A set of generic LF equations has been derived based on comprehensive analysis of the possible AC-DC hybrid system configurations. The new model has been tested IEEE 33 bus hybrid DSs that include different operational modes for the AC and DC distributed generators (DGs). As a means of evaluating the effectiveness, accuracy and voltage profile enhancement and power loss minimization in the proposed model, the LF solution was compared to the solution produced by MATLAB/SIMULINK

Load Flow Analysis, AC-DC Hybrid Distribution System, Voltage Source Converter (VSC), Distributed Generation.

"Power Loss Minimization of IEEE 33 Bus System with a Unified Approach of AC-DC Hybrid Limited Distribution Systems", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 12, page no.68-74, December-2018, Available :http://www.jetir.org/papers/JETIR1812412.pdf

"Power Loss Minimization of IEEE 33 Bus System with a Unified Approach of AC-DC Hybrid Limited Distribution Systems", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 12, page no. pp68-74, December-2018, Available at : http://www.jetir.org/papers/JETIR1812412.pdf