OPTIMAL DISTRIBUTED GENERATION PLACEMENT AND SIZING TO REDUCE ACTIVE POWER LOSS USING GA AND ACO ALGORITHM

Document Type : Original Article

Authors

1 Power andMachines 1Engineering Department , Faculty of Engineering, Arab Academy for Science, Technology& Maritime Transport, Cairo, gypt.

2 Electrical Power andMachines 1Engineering Department, Faculty of Engineering, Ain Shams University, Cairo, Egypt

Abstract

In this paper, Genetic Algorithm (GA) and Ant colony Algorithm (ACO) optimization techniques
are proposed to find optimal sizing and location for distributed generation in electrical networks.
The objective function of the work relies upon a linearized model to compute the active power
losses as a function of power generators. This strategy based on a strong coupling between active
power and power flow taking into consideration the voltage angles. With the end goal to exhibit
the adequacy of the proposed method, the proposed strategy is applied on IEEE 30-bus standard
systems. Different maximum penetration level capacity of DG units with three ranges such as,
10%, 20% and 30% of maximum power load and various possible places of DG units among
several types of DG (active, reactive or active and reactive power) are considered. Results show
that the optimization tools employing GA and ACO are effective in reducing active power losses
and cost loss by finding the optimal placement and sizing of DG units.

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