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Optimal Reactive Power Flow ( Orpf ) Program for Voltage Profile Enhancement and Loss Minimization | ||
| Engineering and Technology Journal | ||
| Volume 24, Issue 6, June 2005, Pages 722-733 PDF (1.02 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.30684/etj.24.6.9 | ||
| Authors | ||
| Qais M. Alias; N. H. Selman | ||
| Dept, of Electrical &Electronic Eng, University of Technology. | ||
| Abstract | ||
| Abstract The aim of this paper is to introduce a new technique to control the voltage and reactive power in power systems based on constrained optimization techniques introduced in MATLAB optimization toolbox . These optimization techniques include linear programming ( LP ) technique and sequential quadratic programming ( SQP ) included in the fmincon function . Generator voltages , reactive power sources and transformer taps are considered as control variables , and load bus voltages and generator reactive powers as state ( dependent ) variables . The relations are derived according to sensitivity relations based on Newton - Raphson load flow equations . The system losses are chosen as objective function so that the approach minimizes system real losses and enhances voltage profile . These techniques are tested by computer simulation on modified IEEE 30 - bus power system and satisfactory results are obtained . | ||
| Keywords | ||
| Keywords: Reactive power and voltage control; Power loss minimization; Optimization problem; LP and SQP | ||
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