电池储能运行经济性分析

 2022-05-22 20:29:26

论文总字数:32230字

摘 要

储能电源具有平抑可再生能源发电波动、参与系统调峰调频的作用。电池储能具有响应速度快,短时功率吞吐能力强,且调节方向易改变的特性。随着电池储能技术的发展,电池储能与常规调频电源相结合,可作为辅助调频的有效手段。

本文整理了锂电池和铅碳电池的主要性能参数和经济参数。在储能站设定为不同的储电池类型时,针对储能站在主能量市场和辅助服务市场这两个典型储能应用场景中的全寿命周期运行收益,进行经济性对比分析,得出锂电站和铅碳电站的投资和收益区别。接着模拟建设一个虚拟电站,结合储能策略的设计,采用控制变量法,比较不同电池类型在日充放一次和日充放两次两种运行方式下的度电成本 ,投资利润率,全寿命周期收益。总结出两种电池电站的收益数学模型并验证其可行性。

锂电池作为新型主流电池,性能优越,市场潜力大,锂电池成本偏高的问题有望在未来解决,适用于规模大,投资大的储能电站建设。铅碳电池作为传统储能电池,技术成熟,成本低廉,可是性能较弱,适用于低投资,小规模的储能电站。在未来储能行业的发展中,锂电池将会扮演越来越重要的角色,为电力市场结构优化和改善做出巨大贡献。

关键词:电池;成本分析;全寿命周期;经济性评价

Abstract

The energy storage power source has the function of suppressing fluctuations in renewable energy generation and participating in system peaking and frequency modulation. The battery energy storage has the characteristics of fast response, short-time power throughput, and easy adjustment of the adjustment direction. With the development of battery energy storage technology, battery energy storage combined with conventional frequency modulation power supply can be used as an effective means of auxiliary frequency modulation.

This thesis collates the main performance parameters and economic parameters of lithium batteries and lead carbon batteries. When the energy storage station is set to different storage battery types, the economic life comparison analysis is carried out for the energy storage station in the two main energy storage application scenarios of the main energy market and the auxiliary service market. The difference between investment and income of lithium power plants and lead carbon power plants. Then simulate the construction of a virtual power station, combined with the design of the energy storage strategy, using the control variable method to compare the power cost, investment profit rate, and full life of different battery types in the two modes of daily charging and daily charging and discharging. Cycle income. The mathematical model of the revenue of the two battery power stations is summarized and the feasibility is verified.

As a new mainstream battery, lithium battery has superior performance and great market potential. The problem of high cost of lithium battery is expected to be solved in the future, and it is suitable for the construction of large-scale and large-capacity energy storage power station. As a traditional energy storage battery, lead carbon battery is mature in technology and low in cost, but its performance is weak. It is suitable for low-investment, small-scale energy storage power stations. In the future development of the energy storage industry, lithium batteries will play an increasingly important role, making great contributions to the optimization and improvement of the power market structure.

KEY WORDS:Battery; Cost analysis; Life cycle; Economic evaluation

目 录

摘 要 I

Abstract II

第一章 绪论 1

1.1电池储能相关理论和概念 1

1.1.1储能电站的相关性能参数 1

1.1.2储能站电池经济性评估相关参数 2

1.2电池储能经济性运行研究现状及前景 3

1.2.1电池储能经济性运行现状 3

1.2.2电池在储能市场应用前景 5

1.3研究目的和主要内容 6

第二章 不同电池类型对储能站经济运行的分析 7

2.1储能电池工作原理 7

2.2数据统计与分析 7

2.2.1电池性能参数及成本统计 7

2.2.2储能站运行经济收益计算方法 9

2.2.3 锂电池储能电站全寿命周期收益计算 10

2.2.4 铅碳电池储能电站全寿命周期收益计算 11

2.3不同电池类型收益对比 12

2.3.1 国家补贴对电站收益影响 12

2.3.2 储能电站考虑补贴后的收益计算方法 14

2.3.3 锂电池电站修正后收益计算 14

2.3.4 铅碳电池修正后收益计算 15

2.3.5 不同电池类型电站补贴前后收益对比分析 16

2.4本章小结 17

第三章 基于不同典型负荷进行电池经济性分析 18

3.1典型工业类型用电负荷概况 18

3.1.1纺织业负荷特性分析 18

3.1.2 纺织业储能策略设计 19

3.1.3 工业园区负荷特性分析 22

3.1.4 工业园区储能策略设计 23

3.2不同类型工业用电负荷在运行方案下的储能收益 25

3.2.1 纺织业设计储能策略收益计算 25

3.2.2 工业园区设计储能策略收益计算 26

3.2.3 储能策略收益分析 27

3.3考虑储能策略影响下的两种电池储能站经济分析 27

3.3.1两种电池类型储能电站模型的数学模拟建立 27

3.3.2收益数学模型校验 28

3.4 本章小结 29

第四章 总结与展望 30

参考文献 31

致 谢 33

第一章 绪论

1.1电池储能相关理论和概念

1.1.1储能电站的相关性能参数

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