Active Power Generation Pattern via Considering Voltage Stability Margin Improvement
Publish place: 20th Iranian Conference on Electric Engineering
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICEE20_121
تاریخ نمایه سازی: 14 مرداد 1391
Abstract:
A novel approach to find optimal real power generation pattern will be introduced in this study. This has been achieved by maximizing the power system voltage stabilitymargin and minimizing generation cost. The loadability limit index is used to assess static voltage stability security margin.Based on proposed algorithm, a Toolbox has been developed to recognize the loadability limit by using Lagrangian method. The mentioned problem has been modeled as a non-linear and multiobjective optimization problem along with Hybrid Genetic Algorithm Particle Swarm Optimization (HGAPSO) method toreach the optimal generation pattern. The method has been performed as a hierarchical optimization problem. In the firststage, HGAPSO method has been used to reach the securest pattern of real power. Also, mentioned voltage stability toolbox has been executed to evaluate the voltage stability marginrespectively each real power generation pattern during HGAPSO search. These simulations are performed on IEEE 30 bus test system. To validation of proposed method, obtained results have been compared with Particle Swarm Optimization (PSO) results
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Authors
Mohsen Rezaie Estabragh
Sahid Bahonar University
Mohsen Mohammadian
Assistant Professor