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考虑微电网并网接入的配电网无功优化
引用本文:王斌,陈永杰. 考虑微电网并网接入的配电网无功优化[J]. 电子测试, 2017, 0(12). DOI: 10.3969/j.issn.1000-8519.2017.12.030
作者姓名:王斌  陈永杰
作者单位:1. 江苏省电力公司检修分公司,江苏苏州,215000;2. 江苏省电力公司太仓市供电公司,江苏苏州,215400
摘    要:微电网集分布式发电系统、负荷和储能于一体,提高了分布式发电系统的综合利用.微电网的并网接入对配电网的综合无功优化产生影响,因此,配电网的无功优化过程中需要考虑微电网并网接入的影响.本文在充分考虑微电网运行特性的基础上,构建考虑微电网运行特性的配电网综合无功优化,建立以系统有功网损与节点电压为目标的综合无功优化模型,把含微电网的配电网无功优化转化为一多约束的非线性混合优化数学问题,并利用粒子群算法进行求解.通过IEEE 33节点系统的仿真算法分析验证本文提出方法的有效性和正确性.

关 键 词:电力系统  配电网无功优化  微电网  改进粒子群算法

Distribution Network Reactive Power Optimization Considering The Operation of Microgrid
Wang Bin,Chen Yongjie. Distribution Network Reactive Power Optimization Considering The Operation of Microgrid[J]. Electronic Test, 2017, 0(12). DOI: 10.3969/j.issn.1000-8519.2017.12.030
Authors:Wang Bin  Chen Yongjie
Abstract:Microgrid is new concept of power system which contains distribution generations, storage system and local load. It can improve the utilization of distribution generation. However, the connection of microgrid will affect the reactive power distribution in the distribution network. A novel reactive power optimization problem is proposed in this paper, which considers the characteristics of microgrid under different operation conditions. In the new reactive power optimization model, active power loss and the voltage deviation are used for the objective function, the voltage of bus, transmission power of feeder and the output reactive of compensation capacitor are the constraints. Improved particle swarm optimization is adopted to calculate the case. Finally, the IEEE-33 bus is used to evaluate the presented model in this paper, simulation results showed that the proposed model is feasibility and effective, it can reduce the active power loss significantly and improve the voltage quality well.
Keywords:Power System  Distribution Network Reactive Power Optimization  Microgrid  Improved Particle Swarm Algorithm
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