| 基于半不变量法的随机潮流计算模型及方法 |
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| 引用本文： | 范宏,张艺,金义雄.基于半不变量法的随机潮流计算模型及方法[J].上海电力学院学报,2012,28(4):313-316. |
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| 作者姓名： | 范宏 张艺 金义雄 |
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| 作者单位： | 上海电力学院电力与自动化工程学院,上海,200090 |
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| 基金项目： | 上海市高校选拔培养优秀青年教师科研专项基金（B01022）;上海市教育委员会重点学科建设项目（J51301）. |
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| 摘 要： | 提出了一种线性化随机潮流的计算模型,在牛顿-拉夫逊法的基础上,利用半不变量法对随机变量进行卷积运算,并运用Gram-Charlier级数展开式计算随机变量的分布,得到节点电压概率密度函数.通过节点电压概率分析为运行分析提供指导,以及对IEEE-14节点系统进行计算,验证了所提模型和方法的有效性.
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| 关 键 词： | 电力系统 随机潮流 半不变量 概率密度函数 |
| 收稿时间： | 7/4/2011 12:00:00 AM |
Study on Electric Power Stochastic PowerFlow Model and Method |
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| FAN Hong,ZHANG Yi and JIN Yi-xiong.Study on Electric Power Stochastic PowerFlow Model and Method[J].Journal of Shanghai University of Electric Power,2012,28(4):313-316. |
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| Authors: | FAN Hong ZHANG Yi and JIN Yi-xiong |
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| Affiliation: | (School of Electric Power and Automation Engineering, Shanghai University of Electric Power,Shanghai 200090, China) |
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| Abstract: | The linear stochastic power flow method is proposed based on Newton Raphson power flow calculation method. With the use of semi-invariant method, the convolution operation between random variables and Gram-Charlier series expansion calculation of the distribution of random variables, the probability density function is obtained. By computing on IEEE-14 bus system analysis, the results of numerical example show that the method is right. |
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| Keywords: | power system stochastic flow semi-invariant probability density function |
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