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

Fan ZHANG; Tian JING; Shenghai MAO; Yang YU; Pei SUN; Xu FU; Lei WANG; Jiaqi TAO

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

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Distributed Energy ›› 2024, Vol. 9 ›› Issue (4) : 69-77. DOI: 10.16513/j.2096-2185.DE.2409408

Application Technology

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

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History +

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.

Key words

new energy bases / collection engineering / levelized cost of energy / send out demand

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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

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