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智能电网教育部重点实验室(天津大学),天津市 300072
王莹(1991—),女,博士研究生,主要研究方向:智能配电系统规划与运行。E-mail:wangyingpoppy@163.com
肖峻(1971—),男,通信作者,博士,教授,博士生导师,主要研究方向:智能配电系统规划与运行。E-mail:xiaojun@tju.edu.cn
曹严(1997—),男,硕士研究生,主要研究方向:智能配电系统规划与运行。E-mail:yan221@tju.edu.cn
收稿日期:2021-08-31,
修回日期:2021-11-16,
网络出版日期:2022-03-01,
纸质出版日期:2022-07-10
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王莹,肖峻,曹严.柔性配电网间歇性分布式发电消纳能力分析[J].电力系统自动化,2022,46(13):74-83.
WANG Ying,XIAO Jun,CAO Yan.Analysis on Accommodation Capability of Intermittent Distributed Generation in Flexible Distribution Network[J].Automation of Electric Power Systems,2022,46(13):74-83.
王莹,肖峻,曹严.柔性配电网间歇性分布式发电消纳能力分析[J].电力系统自动化,2022,46(13):74-83. DOI: 10.7500/AEPS20210831004.
WANG Ying,XIAO Jun,CAO Yan.Analysis on Accommodation Capability of Intermittent Distributed Generation in Flexible Distribution Network[J].Automation of Electric Power Systems,2022,46(13):74-83. DOI: 10.7500/AEPS20210831004.
文中从源-网-荷的匹配性角度分析柔性配电网(FDN)对间歇性分布式电源(DG)的消纳作用。首先,提出了DG与负荷匹配度的概念,可以衡量二者的功率平衡程度。为了更好地解释消纳结果,将消纳率分为源-荷匹配消纳率和源-网-荷匹配消纳率,前者忽略了网络约束。其次,提出了由匹配度计算源-荷匹配消纳率的方法,给出了基于直流的时序生产模拟模型,以及电压校验和结果修正方法计算源-网-荷匹配消纳率。最后,根据DG与负荷的匹配关系设计了3个典型场景,对比分析了FDN和传统刚性配电网(RDN)的消纳率,得到FDN的消纳机理及运行和规划的建议。
This paper analyzes the effect of the flexible distribution network (FDN) on the accommodation of intermittent distributed generator (DG) from the perspective of source-grid-load matching. Firstly
the concept of DG and load matching is proposed to measure the degree of power balance between them. In order to better explain the accommodation results
the accommodation ratio is divided into source-load matching accommodation ratio and source-grid-load matching accommodation ratio. The source-load matching accommodation ratio ignores the network constraint. Secondly
a method to calculate the source-load matching accommodation ratio from the matching degree is proposed. This paper presents a DC-based time-series production simulation model
and a voltage calibration and result correction method to calculate the source-grid-load matching accommodation ratio. Finally
three typical scenarios are designed based on the matching relationship between DG and load
and the accommodation ratios of FDN and traditional rigid distribution network (RDN) are compared and analyzed to obtain the accommodation mechanism of FDN and suggestions for operation and planning.
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