ON MULTI-AREA CONTROL IN ELECTRIC POWER SYSTEMS

In this paper we study the concept of electric power system control, when the responsibility for control- ling the entire system is shared by agents controlling their assigned areas. Within this framework, we suggest to study the dynamics created by the interactions of agents. In partic- ular, we discuss the relation that exists between the informa- tion available to the different agents and their optimisation objective, and the performance of the overall power system. Simulations results, carried out on a 39-node power system voltage control problem, are provided and analyzed. They highlight, among others, the sub-optimal performance level attained by the system when the different agents exchange in- formation about their area dynamics without sharing a com- mon control objective.

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