Comprehensive Matching Evaluation Method for Integration of Distributed Generator into Urban Distribution Network

Jun XIAO; Hang LI; Bo WANG; Chenhui SONG

doi:10.7500/AEPS20200210003

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Comprehensive Matching Evaluation Method for Integration of Distributed Generator into Urban Distribution Network

Basic Research | 更新时间：2025-06-16

- Comprehensive Matching Evaluation Method for Integration of Distributed Generator into Urban Distribution Network
- Automation of Electric Power Systems Vol. 44, Issue 15, Pages: 44-51(2020)
- 作者机构：
  
  1. 智能电网教育部重点实验室(天津大学)，天津市 300072
  2. 国网天津市电力公司电缆分公司，天津市 300170
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China
- DOI：10.7500/AEPS20200210003
  CLC：
- Received：10 February 2020，
  
  Revised：2020-04-06，
  
  Published Online：06 June 2020，
  
  Published：10 August 2020
- 稿件说明：
移动端阅览
肖峻,李航,王博等.分布式电源接入城市配电网的综合匹配评价方法[J].电力系统自动化,2020,44(15):44-51.

XIAO Jun,LI Hang,WANG Bo,et al.Comprehensive Matching Evaluation Method for Integration of Distributed Generator into Urban Distribution Network[J].Automation of Electric Power Systems,2020,44(15):44-51.
肖峻,李航,王博等.分布式电源接入城市配电网的综合匹配评价方法[J].电力系统自动化,2020,44(15):44-51. DOI： 10.7500/AEPS20200210003.

XIAO Jun,LI Hang,WANG Bo,et al.Comprehensive Matching Evaluation Method for Integration of Distributed Generator into Urban Distribution Network[J].Automation of Electric Power Systems,2020,44(15):44-51. DOI： 10.7500/AEPS20200210003.

摘要

分布式电源（DG）的大量接入对配电网的安全运行和输电系统的合理利益带来了挑战。为了在消纳DG的同时保障配电网的安全、效率以及输电系统的利益，文中提出了一种城市配电网DG接入的综合匹配评价与改善方法。首先，提出了包含负荷与DG匹配、净负荷与馈线容量匹配以及输配匹配的综合匹配评价指标，能从总量上评价配电网DG接入的综合匹配水平。其次，分析了综合匹配的影响因素，以找到制约综合匹配的主导因素。再次，通过综合匹配评价指标与影响因素指标间的敏感性分析，找到高性价比的改善因素，指导负荷或DG功率曲线的改善，以达到更高的综合匹配水平。最后，通过算例验证了所提方法并得出规划建议：要达到较高的综合匹配水平，需保证能量匹配度为正且净负荷曲线趋于平稳。

Abstract

A large number of distributed generators (DGs) are integrated to the distribution network

which brings challenges to the safe operation of the distribution network and the reasonable interests of the transmission system. In order to ensure the security， efficiency of distribution network and the interests of transmission system while accommodating DG

this paper proposes a comprehensive matching evaluation and improvement method for urban distribution network integrated with DG. Firstly

the comprehensive matching evaluation indices are proposed

including load and DG matching

net load and feeder capacity matching

and transmission and distribution matching

which can evaluate the comprehensive matching level of distribution network integrated with DG from the aggregate perspective. Secondly

the influence factors of comprehensive matching are analyzed to find the dominant factors restricting the comprehensive matching. Thirdly

the sensitivity analysis between the comprehensive matching evaluation indices and the influence factor indices is used to find the cost-effective improvement factors and guide the improvement of load or DG power curve to achieve higher comprehensive matching level. Finally

a case study is presented to demonstrate the effectiveness of the proposed method and the proposals for distribution network planning are concluded. In order to achieve a high comprehensive matching level

the energy matching degree should be positive and the curve of net load should be stable.

关键词

Keywords

references

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