Abstract
This study investigates economic dispatch (ED) problem and network reconfiguration of microgrid (MG) which is integrated with distribution generator (DG) and battery energy storage (BES). ED problem considers the objective problem of DGs' generation cost and distribution losses minimizing. The network configuration solves the problem of unbalance power generation and load demand under emergency situations and considers the objective problem of minimizing outage cost and customer's interruption. The test existing MG is located on Mae Sariang district, Thailand, which is included renewable and fossil fuel DGs, and BES. Artificial bee colony (ABC) algorithm is applied with BES coordinating to solve the problems of ED and network reconfiguration of MG. ABC algorithm searches for real and binary numbers of generation power and switch's status, respectively. The final outcomes of ABC algorithm are generation scheduling and MG's topology which provides high income for utility and low generation and outage cost. Finally, the result of the study can be implemented to operation and planning of MG which is consisted of renewable generators and energy storage systems.
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