其二是基于流图分析法的一种配电网潮流计算新方法。
The other is a new power flow method based on stream-graph for distribution systems.
为了减少大规模配电网潮流分析的计算量，探讨了电压降和线损的简化计算方法。
To reduce the calculation amount of power flow in large-scale distribution networks, a simplified calculation method for voltage drop and line losses are researched.
把线索二叉树和本文改进的前推法结合起来形成了一种新的辐射状配电网潮流计算方法。
A new method of power flow is coming into being when combining threaded binary tree and forward sweeping method.
配电网潮流是配电网无功优化的基础和工具，其计算速度和收敛性将直接影响优化的效果。
Power flow method of a distribution system is the base and tool of reactive power optimization, whose convergence and computation speed is very important to the efficiency of optimization.
确定性潮流计算在反映配电网运行时的波动情况时存在着缺陷，引入了概率潮流计算理论进行配电网潮流分析。
Because there is limitation in calculating load flow by using determinate method, this paper introduce probabilistic load flow (PLF) to analyze distribution system.
该算法将网络节点按层次进行分类，并分层并行计算各层次的功率损耗和节点电压，因而可大幅度提高配电网潮流的计算速度。
In this algorithm, the nodes of network are sorted by layers and the loss of voltage and power of speed of power flow can be increased greatly.
由此提出了一种新的配电系统不良数据检测及校正的方法，并给出了一种基于配电网匹配潮流状态估计方法。
Based on this, it is presented to a new method on bad data of distribution systems monitored and modified and a distribution state estimation based on matching power flow.
潮流计算采用配电网广泛使用的前推回代法。
The forward-backward sweep method is adopted in power flow calculation.
第二章建立了配电网络各种元件的三相数学模型，这是三相潮流计算的基础。
In the second chapter, three-phase models for distribution system elements are established, which is the basis of three-phase power flow.
根据不同置信度的期望负荷为配电网匹配潮流提供负荷数据，在进一步利用冗余信息修正负荷的基础上，得到了理论线损计算结果。
In addition, the obtained expected loads with different confidence provide load data for matching power flow method, on the basis of further modifying the load the theoretical line loss is calculated.
利用补偿原理对配电网网络重构的最优流模式算法进行改进，以减少潮流计算次数，降低计算量。
This article reports an improved optimal flow pattern algorithm based on compensation principle for distribution network reconfiguration for loss minimization.
在潮流计算的基础上，以配电网年运行纯效益最大为目标函数，建立了无功补偿优化数学模型。
Based on the power flow calculation, an optimization model of reactive power compensation is established, in which the maximum of annual pure efficiency is taken as objective function.
针对传统潮流算法在配电网中难以收敛的缺陷，采用了适合配电网且原理简单的交替迭代算法。
The trend in the traditional method of distribution network convergence to the defects, using the appropriate distribution network and the principle of a simple turn of iterative algorithm.
利用补偿原理对配电网网络重构的最优流模式算法进行改进，以减少潮流计算次数，降低计算量。
An improved optimal flow pattern algorithm for the network reconfiguration to minimize line losses is presented.
利用补偿原理对配电网网络重构的最优流模式算法进行改进，以减少潮流计算次数，降低计算量。
An improved optimal flow pattern algorithm for the network reconfiguration to minimize line losses is presented.
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