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| 基于蒙特卡罗模拟的电力系统概率潮流计算 摘要 电力系统分析中概率潮流计算是一项重要内容,其有助于对整个电网在各种运行条件下的情况有一个全面、综合的评价,并对电网存在的不足环节做出量化分析, 这些信息对调度和规划部门的决策有着非常重要的参考价值。在电力市场环境下也有其特殊的研究和应用价值。本文中探讨概率潮流计算在电力系统规划设计和运行方式研究中的应用。提出了潮流计算中设置电压控制节点的概念和方法，可用来分析节点电压随机波动对系统其他节点电压和支路潮流的影响。对于电压控制节点，还可以计算出无功注入功率的随机分布，并由此确定在这些节点上应配置的无功补偿设备容量。通过计算实例结果，并与蒙特卡罗法计算结果进行可比较，验证了算法有效性和准确性。 关键词：概率潮流计算，电网规划，蒙特卡罗模拟法，算法，分析。 Abstract Probabilistic power flow calculation in power system analysis is an important content, its help for the whole power grid under various operating conditions of a comprehensive, integrated evaluation, and the deficiency existing in link of power grids to make quantitative analysis, the decision-making information for scheduling and planning department has a very important reference value. In the electric power market environment also has its special research and application value. This paper discusses the application of probabilistic power flow calculation in power system planning design and operation mode research. In this paper, the concept and method of setting voltage control node in power flow calculation are presented. For voltage control nodes, the random distribution of reactive power injection can be calculated, and the capacity of reactive power compensation equipment should be configured on these nodes. The validity and accuracy of the algorithm are verified by calculating the results of an example and comparing them with those of monte carlo method. KEY WORDS:Probabilistic current calculation，Power grid planning，Monte carlo simulation，algorithm，Analysis。 |
