基于路径描述的馈线分区N-1可装容量计算方法

SUN Ming

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基于路径描述的馈线分区N-1可装容量计算方法

更新时间：2025-08-13

- 基于路径描述的馈线分区N-1可装容量计算方法
- Automation of Electric Power Systems Vol. 41, Issue 16, Pages: 123-129(2017)
- 作者机构：
  
  浙江大学电气工程学院,浙江省,杭州市,310027
- 作者简介：
- 基金信息：
- DOI：
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- Published：2017
- 稿件说明：
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SUN Ming. [J]. Automation of electric power systems, 2017, 41(16): 123-129.
DOI：

SUN Ming. [J]. Automation of electric power systems, 2017, 41(16): 123-129. DOI：

摘要

评估馈线供电能力是保障馈线可靠运行的重要手段。文中提出了一种基于路径描述的馈线分区N-1可装容量计算方法。首先

将同一电压等级配电网以自动/手动开关装置为边界划分馈线分区

视为负荷节点;采用所有负荷节点及其所有可能供电路径的集合描述配电网拓扑结构。随后

以路径状态为变量

建立了馈线N-1安全校验的0-1线性规划模型。针对电网营销部门的实际数据需求

以路径状态和馈线分区可装容量为变量

进一步建立了用于馈线分区N-1可装容量计算的混合整数线性规划模型。最后

以某省会城市实际运行的某一10 kV馈线组为例

验证了所提算法的实用性和有效性。

Abstract

Evaluation of feeder capacity is an important means to guaranteeing reliable operation of feeder. A method is proposed to calculate the available capacity of feeder partition satisfied with N-1 security criterion. Firstly

distribution networks at the same voltage level are divided into feeder partitions with automatic/manual switching devices as the boundary

which can be regarded as load nodes. The topology of the distribution network is described by all load nodes and all sets of power supply paths associated with load nodes. Taking path states as variables

the 0-1 linear programming model is developed to analyze N-1 security verification of feeders. To meet the practical marketing demand of the power supply company

by taking path states and the available capacity of feeder partition as variables

the mixed integer linear programming model is proposed to calculate the available capacity of feeder partition satisfied with N-1 security criterion. Finally

the calculation results of a practical 10 kV feeder group in a provincial capital show that the proposed method is practicable and effective. This work is supported by National High Technology Research and Development Program of China(863 Program)(No. 2014AA051901).

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