大型新能源基地汇集工程合理送出需求研究

张凡; 景天; 毛生海; 于洋; 孙沛; 傅旭; 王雷; 陶嘉琦

doi:10.16513/j.2096-2185.DE.2409408

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分布式能源 ›› 2024, Vol. 9 ›› Issue (4) : 69-77. DOI: 10.16513/j.2096-2185.DE.2409408

应用技术

大型新能源基地汇集工程合理送出需求研究

张凡 ¹ ,
景天 ² ,
毛生海 ³ ,
于洋 ² ,
孙沛 ¹ ,
傅旭 ¹ ,
王雷 ¹ ,
陶嘉琦 ¹

作者信息 +

Research on Reasonable Send out Demand of Collection Engineering for Large-Scale New Energy Bases

Fan ZHANG ¹ ,
Tian JING ² ,
Shenghai MAO ³ ,
Yang YU ² ,
Pei SUN ¹ ,
Xu FU ¹ ,
Lei WANG ¹ ,
Jiaqi TAO ¹

Author information +

文章历史 +

摘要

大型新能源基地汇集工程配套建设的输变电容量，一般是按照新能源装机同等容量或略大于新能源装机容量进行配置。考虑到新能源出力具有间歇性、波动性和能量密度低的特点，传统的汇集工程容量配置方法可能造成电网投资的浪费。以新能源基地整体的度电成本最低为目标，根据新能源实际出力特性，考虑发电企业和电网企业整体效益最大化，对大型新能源基地汇集工程各电压等级的合理送出需求进行了研究。对西北地区两种新能源基地汇集场景的送出需求研究表明，所提方法可有效节省电网投资，降低大型新能源基地整体度电成本，且风光互补汇集站的最优送出容量显著小于纯风电/纯光伏汇集站。该研究结果可为后续大型新能源基地的汇集工程容量选取提供参考。

Abstract

The transmission and transformation capacity of large-scale new energy bases is usually equal to or slightly larger than the capacity of new energy units. Considering the intermittency, fluctuation and low energy density of new energy units' output, traditional methods for capacity allocation may result in investment waste of power grid. This paper studies reasonable send out demand of collection engineering for large-scale new energy bases in various voltage levels based on optimal levelized cost of energy considering the actual characteristics of new energy units and overall benefits of power generation enterprises and power grid. The research of two scenes in northwest region shows that the new method proposed in this paper can effectively reduces the levelized cost of energy for large-scale new energy bases and saves power grid investment compared to previous methods while the optimal transmission and transformation capacity of complementary collection stations can be significantly smaller than pure wind or photovoltaic collection stations. Research in this paper can provide reference for capacity selection of collection engineering in subsequent large-scale new energy bases.

导出引用

张凡, 景天, 毛生海, 等. 大型新能源基地汇集工程合理送出需求研究[J]. 分布式能源. 2024, 9(4): 69-77 https://doi.org/10.16513/j.2096-2185.DE.2409408

Fan ZHANG, Tian JING, Shenghai MAO, et al. Research on Reasonable Send out Demand of Collection Engineering for Large-Scale New Energy Bases[J]. Distributed Energy Resources. 2024, 9(4): 69-77 https://doi.org/10.16513/j.2096-2185.DE.2409408

中图分类号： TK01

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