基于序列二次规划法的分布式电源优化配置研究
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引用本文:汪凤月,汪芳宗,胡佳怡.基于序列二次规划法的分布式电源优化配置研究[J].计算技术与自动化,2012,(3):76-79
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汪凤月,汪芳宗,胡佳怡 (三峡大学 电气与新能源学院湖北 宜昌443002) 
中文摘要:针对分布式电源配置对配电网的影响,提出一种带二阶项配网潮流约束的方法解决分布式电源优化配置问题,以实现分布式电源价值的最大化。从降损角度出发建立优化配置的数学模型,并用序列二次规划求解优化问题。在充分发挥序列二次规划法收敛性好的基础上,提高计算精度,并适用于各种复杂的配电网络。以IEEE 33节点系统为例,验证所提方法在分布式电源优化配置问题求解中具有很强的全局搜索能力,可以有效、准确地实现分布式电源的最优配置,计算过程简单可靠,具有实用价值。
中文关键词:配电网  分布式电源  序列二次规划法  优化配置  网损
 
Optimal Placement of Distributed Generations Using Sequential Quadratic Programming
Abstract:Introduction of distributed generations impacts the structure and operation of distribution network. To solve this problem, this paper proposes a nonlinear optimization method for optimal placement of distributed generations to realize the maximal value of the distributed generations. The optimal location of distributed generations was determined by order of the sensitivities of node power losses respective to nodal loads. The proposed method took the minimization of active power loss of distribution network as optimization objective to construct mathematical model from the viewpoint of achieving minimum active power loss. Then, sequential quadratic programming was adopted to calculate the optimal capacities of distributed generations .This method has been tested on IEEE 33-bus distribution system, and the simulation results has shown that the proposed method is simple, fast, and would be applied for on-line implementation.
keywords:distribution network  distributed generation  sequential quadratic programming  optimal placement  power losses
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