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Integration of algorithmic and heuristic techniques for transition-optimised voltage and reactive power control

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5 Author(s)
Bie, Z.H. ; Dept. of Electr. Eng., Xi''an Jiaotong Univ., China ; Song, Y.H. ; Wang, X.F. ; Taylor, G.A.
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An integrated algorithmic and heuristic technique for transition-optimised voltage and reactive power control is presented. The method seeks to provide a 'transition-optimised' voltage and reactive-power control method. Essentially it considers voltage and reactive power control as a time-based scheduling problem, with the intention of avoiding unnecessary changes in status and output of reactive control plant. The demand profile is classified adaptively using a heuristic iteration method through evaluating the standard deviation and the range of the sequence of load-demand points. Furthermore, an algorithmic transition-optimised model of the volt/VAr control is then presented based on demand-pattern classification. The solution algorithm and different control strategies are studied in the transition optimisation. Case studies illustrate that the integrated algorithmic and heuristic technique for transition-optimised voltage and reactive power control not only effectively reduces power losses, but also greatly simplifies control operations.

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Generation, Transmission and Distribution, IEE Proceedings-  (Volume:153 ,  Issue: 2 )