计及需求侧响应能力的受端电网储能优化配置方法

An optimal allocation method of receiving-end power grid energy storage considering demand-side response capability

受端电网负荷量大,需求侧响应能力较强,在储能配置阶段考虑需求侧响应能力,可降低储能的配置容量,进一步提高储能配置的经济性与可行性。以受端电网储能为主要研究对象,提出了一种计及受端电网需求侧响应能力的储能配置方法,用于分析需求侧响应对储能的替代作用。以储能配置成本、弃风弃光成本、需求响应补偿成本和切负荷成本最小为目标函数,实现多元储能的优化配置;通过控制需求侧响应的容量和价格参数,分析需求侧响应对储能容量配置的影响。通过算例分析发现,需求侧响应对磷酸铁锂储能替代作用明显,且需求侧响应的价格参数对储能容量配置影响更大。

Receiving-end power grids are characterized by substantial loads and demand-side responsiveness.Con⁃sidering demand-side response during energy storage allocation can reduce allocation capacity,thereby enhancing the economy and feasibility of the allocation.The paper focuses on energy storage within the receiving-end grid and introduces an energy storage allocation method that takes account of the grid’s demand-side response capacity.This method aims to analyze the potential for replacing energy storage with demand-side response.The optimal allocation of multiple energy storage is achieved by minimizing the storage allocation cost,cost of wind and solar PV genera⁃tion curtailment,demand response compensation cost,and load shedding cost as the objective functions.The im⁃pact of demand-side response on energy storage capacity allocation is analyzed by controlling the capacity and pric⁃ing parameters of demand-side response.It is revealed through a numerical analysis that the demand-side response plays a significant role in substituting lithium iron phosphate battery energy storage,and that the pricing parameter of demand-side response exerts a more substantial impact on energy storage capacity allocation.