Constrained load/frequency control problems in networked multi-area power systems |
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Authors: | G Franzè F Tedesco |
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Institution: | DEIS - Università degli Studi della Calabria, Via P. Bucci, Cubo 42 C, 87036 Rende (CS), Italy |
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Abstract: | In this paper, we present a supervisory discrete-time predictive control strategy for load/frequency control problems in networked multi-area power systems subject to coordination constraints. Coordination between the control center and the spatially distributed areas is accomplished via data networks subject to communication latency modeled by time-varying time-delay. The aim here is finding supervising strategies able to reconfigure, whenever necessary in response to unexpected load changes and/or faults, the nominal set-points on frequency and generated power to the generators of each area so that viable evolutions would arise for the overall power system and a new sustainable equilibrium is reached. In order to demonstrate the effectiveness of the strategy, examples on a four-area power system are presented. |
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