Segmentation Algorithm for Maximum Hosting Capacity of Distributed Generator Accessing to Distribution Network Considering Multiple Constraints

Xiao TAN; Zhuding WANG; Qiang LI; Xianglu PANG

doi:10.7500/AEPS20190610004

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Segmentation Algorithm for Maximum Hosting Capacity of Distributed Generator Accessing to Distribution Network Considering Multiple Constraints

Basic Research | 更新时间：2025-06-16

- Segmentation Algorithm for Maximum Hosting Capacity of Distributed Generator Accessing to Distribution Network Considering Multiple Constraints
- Automation of Electric Power Systems Vol. 44, Issue 4, Pages: 72-80(2020)
- 作者机构：
  
  1. 重庆大学电气工程学院，重庆市 400044
  2. 国网湖北省电力有限公司武汉供电公司，湖北省武汉市 430012
  3. 重庆星能电气有限公司，重庆市 400039
- 作者简介：
- 基金信息：
- DOI：10.7500/AEPS20190610004
  CLC：
- Received：10 June 2019，
  
  Revised：2019-09-17，
  
  Published Online：24 December 2019，
  
  Published：25 February 2020
- 稿件说明：
移动端阅览
谭笑,王主丁,李强等.计及多约束的多分布式电源接入配电网最大承载力分段算法[J].电力系统自动化,2020,44(04):72-80.

TAN Xiao,WANG Zhuding,LI Qiang,et al.Segmentation Algorithm for Maximum Hosting Capacity of Distributed Generator Accessing to Distribution Network Considering Multiple Constraints[J].Automation of Electric Power Systems,2020,44(04):72-80.
谭笑,王主丁,李强等.计及多约束的多分布式电源接入配电网最大承载力分段算法[J].电力系统自动化,2020,44(04):72-80. DOI： 10.7500/AEPS20190610004.

TAN Xiao,WANG Zhuding,LI Qiang,et al.Segmentation Algorithm for Maximum Hosting Capacity of Distributed Generator Accessing to Distribution Network Considering Multiple Constraints[J].Automation of Electric Power Systems,2020,44(04):72-80. DOI： 10.7500/AEPS20190610004.

摘要

分布式电源（DG）大量并网给电能质量带来风险，评估DG接入配电网的最大承载力对DG规划具有指导意义。建立了多DG接入配电网承载力评估的优化模型：目标为DG并网容量最大，约束涉及电压偏移、电压波动、短路电流和继电保护的相关技术标准。针对该模型，提出了基于约束指标相对于DG容量灵敏度的单约束和多约束协调分段计算方法。基于不同的DG初始值，分段计算可分别采用倒推和顺推2种计算流程进行。最后计算分析了辐射型配电网在多约束多个不同类型DG情况下的系统最大承载力，表明了所提方法在计算精度和效率方面的优越性。

Abstract

The integration of large number of distributed generators (DGs) brings risks to the power quality of the network which they are connected to. Thus it is instructive for DGs planning to evaluate the maximum hosting capacity of DGs accessing to a distribution network. An optimization model for evaluating the hosting capacity of the distribution network with DGs access is established. In the model

the objective is to maximize the grid-connected capacity of DGs

and the constraints involve the technical standards of voltage deviation

voltage fluctuation

short-circuit current and relay protection. Based on the sensitivity of a constraint index to DG capacity

a single-constraint segmentation algorithm and a multi-constraint coordination segmentation algorithm are proposed for the model. Based on different initial values of DG capacities

the segmentation algorithms can be carried out in backward and forward methods

respectively. Finally

the maximum hosting capacity of a radial distribution network is computed and analyzed with multiple constraints

multiple sources and multiple DG types

which shows the superiority of the proposed algorithms in the calculation accuracy and efficiency.

关键词

Keywords

references

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