背靠背柔性直流互联的有源配电网合环优化运行

GE Le

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背靠背柔性直流互联的有源配电网合环优化运行

更新时间：2025-08-13

- 背靠背柔性直流互联的有源配电网合环优化运行
- Automation of Electric Power Systems Vol. 41, Issue 6, Pages: 135-141(2017)
- 作者机构：
  
  南京工程学院电力工程学院,江苏省,南京市,211167
- 作者简介：
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- Published：2017
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GE Le. [J]. Automation of electric power systems, 2017, 41(6): 135-141.
DOI：

GE Le. [J]. Automation of electric power systems, 2017, 41(6): 135-141. DOI：

摘要

高可靠性供电和大规模分布式电源友好接入推动了有源配电网采取合环运行方式。为满足合环运行的安全性和经济性要求，实现满额消纳清洁能源，提出了基于背靠背柔性直流的配电网安全合环和潮流优化控制方法。分析了背靠背柔性直流的注入功率模型和控制方式，考虑配电网与主网最优运行的差异，建立了以售电企业综合供电成本最低为目标，以网络潮流、分布式能源出力和柔性直流功率平衡等为约束的配电网合环最优运行模型。基于修改的IEEE 33节点系统，多种运行方式下的仿真算例验证了背靠背柔性直流实现配电网安全合环、环网潮流经济分布和规模化分布式电源满额消纳等目标的可行性和有效性。

Abstract

The high reliability power supply and friendly access to large-scale distributed power promotes the closed loop operation of active distribution network. To satisfy the safety and economic requirements of closed loop operation and make full use of clean energy

the safe closed loop operation and power flow optimization control method of distribution network based on back-to-back VSC-HVDC is studied. By analyzing the injected power model and control method of large-scale distributed power supply and referring to the distribution loop system

we make the minimum integrated cost of power supply enterprises the objective and build the active distribution loop optimization operation model

with the network power flow

distributed energy output

VSC-HVDC power balance

etc as the constraints. Based on an improved IEEE 33-node system

simulation examples of various operation modes have verified that the back-to-back VSC-HVDC can attain the goal of safe closed loop operation of distribution network

economical distribution of power loop and full use of large-scale distributed power supply.

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