MTLBO Algorithm for DG Placement in RDS to Improve Voltage Stability Index and Minimize Losses

The proportion of Distributed Generations (DGs) in distribution system has been increasing due to growing electrical energy demand, economic growth and environmental reasons. In distribution system, the challenging issue for obtaining positive benefits for system with DG integration is its allocation. In this paper, a relatively new optimization method named Modified Teaching Learning Based Optimization (MTLBO) method for DG allocation in Radial Distribution System (RDS) is presented. The multiobjective optimization problem is considered. The objectives include voltage stability and active power loss issues. The optimization problem solved using MTLBO algorithm was tested on IEEE 33-bus RDS to demonstrate its efficacy and simulation studies were carried out using MATLAB software. The results obtained using MTLBO algorithm are compared with those using Particle Swarm Optimization (PSO) and Genetic Algorithm (GA) techniques.