A modified negative selection algorithm applied in the diagnosis of voltage disturbances in distribution electrical systems

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Lima, Fernando P. A. [UNESP]
Minussi, Carlos R. [UNESP]
Bessa, Ricardo B.
Fidalgo, José N.

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This paper presents a modified negative selection algorithm for the diagnosis of disturbance in distribution electrical systems. This study analyzes voltage disturbances and high-impedance faults, based on three phase current and voltage electric measures, which are obtained at the substations. The principal application is to support operation decision aid during faults, as well as to supervise the protection system. To evaluate the performance of the proposed method, simulations were executed using the EMTP software for a distribution test system containing 134 bus. The results obtained were compared with the specialized literature.



Artificial Immune Systems, Electrical Distribution Systems, High-Impedance Fault, Modified Negative Selection Algorithm, Voltage Disturbance

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2015 18th International Conference on Intelligent System Application to Power Systems, ISAP 2015.