基于电压源型换流器的多端直流配电网潮流计算

WU Hongbin

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基于电压源型换流器的多端直流配电网潮流计算

更新时间：2025-08-13

- 基于电压源型换流器的多端直流配电网潮流计算
- Automation of Electric Power Systems Vol. 42, Issue 11, Pages: 79-85(2018)
- 作者机构：
  
  合肥工业大学电气与自动化工程学院,安徽省,合肥市,230009
- 作者简介：
- 基金信息：
- DOI：
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- Published：2018
- 稿件说明：
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WU Hongbin. [J]. Automation of electric power systems, 2018, 42(11): 79-85.
DOI：

WU Hongbin. [J]. Automation of electric power systems, 2018, 42(11): 79-85. DOI：

摘要

随着分布式电源及电力电子技术的发展，基于电压源型换流器(VSC)的直流配电网具有接入灵活、可靠性高、经济性好等优点。在详细分析了VSC稳态潮流模型的基础上，计及直流配电网的运行控制策略，研究了基于VSC的多端直流配电网潮流计算。在潮流计算过程中，采用节点关联矩阵对网络结构进行自动搜索和自动开环处理，提出了针对环网和下垂节点的统一功率修正方法，并考虑了VSC的功率限制及其控制方式的转换。最后，利用修改后的 IEEE 14节点直流配电网算例，验证了所提直流配电网潮流计算方法的有效性和正确性。

Abstract

With the development of distributed generation and power electronic technology

DC distribution network based on voltage source converter(VSC)has many advantages

such as flexible access

high reliability and good economic efficiency. Based on the detailed analysis of the VSC steady-state power flow model

the power flow calculation of multi-terminal DC distribution network is studied through taking into account the operation control strategy of the DC distribution network. In the process of power flow calculation

it uses the node correlation matrix to search automatically the network structure and open automatically the looped network. It proposes a unified power correction method for looped network and droop node

and takes into account the power limitation and control mode conversion of VSC. With the modified IEEE 14-node DC distribution example system

it verifies the correctness and validity of the proposed power flow calculation method.

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