Comparison of Storage Capacity Configuration Optimization in Wind-Thermal Power-Storage Coupling System

ZHAO Pan; GOU Feifei; XU Wenpan; SHI Honghui

doi:10.7652/xjtuxb202408005

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Comparison of Storage Capacity Configuration Optimization in Wind-Thermal Power-Storage Coupling System

更新时间：2025-07-28

- Comparison of Storage Capacity Configuration Optimization in Wind-Thermal Power-Storage Coupling System
- Vol. 58, Issue 8, Pages: 38-48(2024)
- 作者机构：
  
  1. 西安交通大学能源与动力工程学院,西安,710049
  2. 国家能源集团科学技术研究院有限公司,南京,210046
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202408005
  CLC： TK02
- Online First：10 August 2024，
  
  Published：2024
- 稿件说明：
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ZHAO Pan, GOU Feifei, XU Wenpan, et al. Comparison of Storage Capacity Configuration Optimization in Wind-Thermal Power-Storage Coupling System[J]. 2024, 58(8): 38-48.
DOI：

ZHAO Pan, GOU Feifei, XU Wenpan, et al. Comparison of Storage Capacity Configuration Optimization in Wind-Thermal Power-Storage Coupling System[J]. 2024, 58(8): 38-48. DOI： 10.7652/xjtuxb202408005.

摘要

为提升风电富集区域风电消纳水平及燃煤机组的灵活性

提出了基于热电共蓄式压缩空气储能的风-火-储耦合系统及系统调度策略

建立了系统的容量配置优化框架

并对7种布局方案进行了多目标优化。优化结果表明:电锅炉将弃风电量转化为热量时

燃煤机组的运行点向电力负荷下限更低的区域移动

风电上网空间增大

燃煤机组出力水平降低; 加入热电共蓄式压缩空气储能子系统

使得燃煤机组电功率水平降低; 换热器废热的回收进一步降低了燃煤机组产热水平; 通过调整燃煤机组热出力

抽汽蓄热子系统能够实现抽汽热的时空平移

促使燃煤机组运行点向电力负荷下限更低的区域移动

可间接促进风电的消纳。综合来看

3种子系统相组合的最佳耦合方案可实现燃煤机组的热电解耦

从而提升了其深度调峰能力

在更大程度消纳风电能力的同时提升了系统的效率和环保性。

Abstract

In order to improve wind power penetration level and the coal-fired units' flexibility in wind power-rich areas

a wind-thermal power-storage coupling system based on combined heat and compressed air energy storage system and scheduling strategy are proposed

and a capacity configuration optimization framework is established. Multi-objective optimization is carried out on 7 layout schemes. The optimization results reveal that when the electric boiler converts waste wind power into heat

the operation point of coal-fired units moves towards areas with lower power limit

increasing the wind power adoption space

and reducing the output level of coal-fired units. The addition of combined heat and compressed air energy storage subsystem reduces the electrical power level of coal-fired units. In addition

the recovery of waste heat from heat exchangers further decreases the heat generation level of coal-fired units. The extraction heat storage subsystem achieves spatiotemporal translation of extraction steam heat by adjusting the thermal output of coal-fired units

and makes the operation point of coal-fired units move towards areas with lower power load limit

indirectly promoting the wind power consumption. In summary

the optimal coupling scheme combining the three subsystems can realize the heat power decoupling of coal-fired power units

promote the ability of deep peak shaving

possess greater capacity to absorb wind power and improve system efficiency and environmental friendliness.

关键词

Keywords

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