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Fault Tolerance Aspects in Networked Multi-area Power Systems

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3 Author(s)
Casavola, A. ; Dipt. di Elettronica, Informatica e Sistemistica, Universita degli Studi della Calabria, Rende ; Franze, G. ; Sorbara, M.

In this paper we present a supervisory strategy for load/frequency control problems in networked multi-area power systems. The scheme consists of modifying the nominal frequency set-points and adjusting offsets on the nominal Automatic Load-Frequency Control (ALFC) laws of each area in order to avoid operative constraints violations in response to unexpected load changes and/or faults/failures. This aim is accomplished via a recent predictive control approach named Parameter Governor, which joins in a general framework Reference and Offset Governors actions. The effectiveness of the strategy is demonstrated on a two-area power system subject to coordination constraints on maximum frequency deviations and generated and distributed inter-area powers.

Published in:

Emerging Technologies and Factory Automation, 2006. ETFA '06. IEEE Conference on

Date of Conference:

20-22 Sept. 2006