直流配电网断路器优化配置方法

WANG Xinjie

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直流配电网断路器优化配置方法

更新时间：2025-08-13

- 直流配电网断路器优化配置方法
- Automation of Electric Power Systems Vol. 41, Issue 23, Pages: 15-21(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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WANG Xinjie. [J]. Automation of electric power systems, 2017, 41(23): 15-21.
DOI：

WANG Xinjie. [J]. Automation of electric power systems, 2017, 41(23): 15-21. DOI：

摘要

直流断路器的优化配置对提高直流配电网可靠性、降低用户停电损失具有重要意义。基于最小割集法提出了直流负荷点区域划分方法，建立了计及电力电子设备功能故障的停电损失费用计算模型。以开关设备投资运行费用和停电损失费用之和最低为优化目标，配置断路器数目为阶段数，配置断路器位置组合为状态，针对直流断路器造价随技术发展下降空间较大的特点，提出了一种考虑价格变化的直流断路器配置动态规划算法。以手拉手型直流配电网为例进行了计算分析，结果表明该方法能够对直流断路器价格进行区间划分，并得到各区间所对应的最优配置方案。

Abstract

The optimal allocation of DC circuit breakers is of great significance in improving the reliability of DC distribution network and reducing outage cost. Based on the minimum-cut set

a DC load area division method is proposed

and then an outage cost calculation model considering function failure of power electronic devices is established. As the DC circuit breaker will be cheaper with the development of electronic technology

a DC circuit breaker optimization dynamic programming(DP)considering the changing price of the breaker is proposed

in which the sum of switch investment

operating cost and outage cost is designed as the optimization objective

the number and location combination of DC circuit breaker are designed as the stage and the state of DP. By taking a loop distribution network as an example

the method proposed can divide the DC circuit breaker price into several intervals and get optimal allocation schemes of different intervals.

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