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International Journal of Advanced Engineering, Management and Science

BPSO&1-NN algorithm-based variable selection for power system stability identification

( Vol-6,Issue-9,September 2020 )

Author(s): N. N. Au, V. V. Cuong, T. T. Giang, L. T. Nghia, T. V. Hien

Total View : 199
Downloads : 19
Page No: 432-437
ijaems crossref doiDOI: 10.22161/ijaems.69.3


Identification, Power system, BPSO, Variable selection, K-NN.


Due to the very high nonlinearity of the power system, traditional analytical methods take a lot of time to solve, causing delay in decision-making. Therefore, quickly detecting power system instability helps the control system to make timely decisions become the key factor to ensure stable operation of the power system. Power system stability identification encounters large data set size problem. The need is to select representative variables as input variables for the identifier. This paper proposes to apply wrapper method to select variables. In which, Binary Particle Swarm Optimization (BPSO) algorithm combines with K-NN (K=1) identifier to search for good set of variables. It is named BPSO&1-NN. Test results on IEEE 39-bus diagram show that the proposed method achieves the goal of reducing variables with high accuracy.

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