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Economic load dispatch for piecewise quadratic cost function using Hopfield neural network

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4 Author(s)
Park, J.H. ; Dept. of Electr. Eng., Pusan Nat. Univ., South Korea ; Kim, Y.S. ; Eom, I.K. ; Lee, K.Y.

The authors present a new method to solve the problem of economic power dispatch with piecewise quadratic cost function using the Hopfield neural network. Traditionally one convex cost function for each generator is assumed. However, it is more realistic to represent the cost function as a piecewise quadratic function rather than one convex function. In this study, multiple intersecting cost functions are used for each unit. Through case studies, the possibility of the application of the Hopfield neural network to the economic load dispatch problem with general nonconvex cost functions was shown. The proposed approach is much simpler and the results are very close to those of the numerical method

Published in:

Power Systems, IEEE Transactions on  (Volume:8 ,  Issue: 3 )