Application of Gravitational Search Algorithm for Planning Distribution Networks with Multiple Dg Units Based On Their Real and Reactive Power Delivering Capability
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 5
Abstract
One of the major developments in the Current Distribution Network is the integration of Distributed Generation (DG). Planning the distribution systems without considering the site and size of multiple DG units could result in constraining the network, unpredictable network flows and greater variations in voltage. This paper focuses on planning the distribution network by determining the optimal placements and estimation of multiple DG capacities based on their real and reactive power delivering capability for grid support. For this study, Gravitational Search (GSA) algorithm is applied for optimization. To validate the proposed approach, simulations are performed on IEEE 34 bus radial distribution system. Comparisons are made in terms of Active Power loss deviations, Reactive Power loss deviations and the voltage deviations for all considered four types of DGs. The simulation result obtained indicates that by optimal location and size of Type C DG (delivering both real and reactive power) using GSA minimizes the network losses and voltage deviations than the other three types of DG. To conclude, for enhancing the grid support for the given radial distribution network, Optimal placement of DG with the capability of delivering real and reactive power by using GSA will be more effective.
Authors and Affiliations
K. Siva Sankari, S. Nagalakshmi
Keywords
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