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| Voltage Stability Constrained Reactive Power Optimization Based on Improved Particle Swarm Optimization |
| Hu Yaoxing1, Liu Lihua2, Ma Mingyang3 |
| 1. School of Inter-culture Studies,Jiangxi Normal University,Nanchang 330022; 2. National Electric Power Dispatching and Control Center,Beijing 100031; 3. Tianjin Electric Power Maintenance Company,Tianjin 300143 |
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Abstract Voltage stability constrained reactive power optimization model is formulated. In this model, minimizing the active power loss and enhancing voltage stability are considered as objective functions. In order to avoid the premature phenomenon and local convergence of conventional particle swarm optimization (PSO) algorithm, a improve PSO for reactive power optimization is proposed. A fitness sharing mechanism is applied to adjust particles’ fitness so as to enhance the global searching ability. Time variant acceleration coefficients strategy is introduced in order to balance the global exploration and the local exploitation ability of the population in search space. The proposed approach is carried out on the IEEE 30-bus test system, its feasibility and effectiveness are demonstrated.
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Published: 10 February 2015
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| Cite this article: |
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Hu Yaoxing,Liu Lihua,Ma Mingyang. Voltage Stability Constrained Reactive Power Optimization Based on Improved Particle Swarm Optimization[J]. Electrical Engineering, 2015, 16(02): 40-44.
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| URL: |
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http://dqjs.cesmedia.cn/EN/Y2015/V16/I02/40
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2015, Vol. 16 
