电压型直流潮流控制器优化配置方法

WANG Dicheng

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电压型直流潮流控制器优化配置方法

更新时间：2025-08-13

- 电压型直流潮流控制器优化配置方法
- Automation of Electric Power Systems Vol. 40, Issue 21, Pages: 78-83(2016)
- 作者机构：
  
  哈尔滨工业大学电气工程及自动化学院,黑龙江省,哈尔滨市,150006
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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WANG Dicheng. [J]. Automation of electric power systems, 2016, 40(21): 78-83.
DOI：

WANG Dicheng. [J]. Automation of electric power systems, 2016, 40(21): 78-83. DOI：

摘要

直流潮流控制器可提高线路潮流的可控性

针对多点电压下垂控制的直流电网

提出了一种电压型直流潮流控制器的优化配置及变比计算方法。建立了含潮流控制器的直流电网数学模型

采用灵敏度方法研究控制器对网络潮流分布的影响

从整个电网的角度得到直流潮流控制器最佳配置位置。针对加权潮流熵无法突出反映线路过负荷的情况

提出直流电网改进加权潮流熵

并将其作为目标函数

对系统潮流进行优化控制

由此得到对应的直流潮流控制器变比。以海上六端直流电网模型为例

验证了所提方法的有效性。

Abstract

DC power flow controller(DCPFC)can improve the controllability of line power flow. This paper presents an optimal locating and ratio calculating method of voltage-type DCPFC in the DC grid operating under the multi-point voltage droop control strategy. A mathematical model of DC grid including DCPFC is developed. The sensitivity analysis method is used to study the influences of the controller on the power flow distribution in DC grid. And the best placement of the controller is obtained from the perspective of the whole DC grid. In view of the inability of power flow entropy to highlight the overload situation

an improved weighted power flow entropy of the DC grid is proposed. Meanwhile

by setting the improved weighted power flow entropy as the objective to optimize the system power flow

the transformer ratio of the DCPFC can be obtained. An offshore six-terminal DC grid model has been used to validate the effectiveness of the proposed method.

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