Performance Analysis and Optimization of Carbon Capture-equipped Power Station System Under Variable Operating Conditions

YUAN Xin; LI Sarengaowa; LIU Zhan; CHEN Heng; XU Gang; WANG Xiuyan

doi:10.19805/j.cnki.jcspe.2025.240037

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Performance Analysis and Optimization of Carbon Capture-equipped Power Station System Under Variable Operating Conditions

更新时间：2025-11-28

- Performance Analysis and Optimization of Carbon Capture-equipped Power Station System Under Variable Operating Conditions
- Chinese Journal of Power Engineering Vol. 45, Issue 4, Pages: 496-504(2025)
- 作者机构：
  
  华北电力大学能源动力与机械工程学院,北京,102206
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240037
  CLC： X773;TM621
- Published Online：28 April 2025，
  
  Published：2025
- 稿件说明：
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袁鑫,李·萨仁高娃,刘战,陈衡,徐钢,王修彦. 配备碳捕集的电站系统变工况运行性能分析及优化动力工程学报, 2025, 45(4): 496-504 https://doi.

org/10.19805/j.cnki.jcspe.2025.240037
袁鑫,李·萨仁高娃,刘战,陈衡,徐钢,王修彦. 配备碳捕集的电站系统变工况运行性能分析及优化动力工程学报, 2025, 45(4): 496-504 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240037.

org/10.19805/j.cnki.jcspe.2025.240037 DOI：

摘要

为了得到合理的碳捕集电厂调峰方案并研究碳捕集电厂参与电网调节产生的经济和环境效益

对1台660 MW燃煤电厂进行碳捕集改造

对电厂各部分能量损失进行分析

得到机组的能量损失机理

分析了不同碳捕集率下机组的运行情况

并设计了碳捕集电厂的优化运行方案。在MATLAB软件中对西北某地区碳捕集电厂采用优化运行方案前后参与电网调节的情况进行模拟。结果表明:优化运行方案可以提升系统的新能源接纳能力

降低系统的弃风弃光量

其中风电机组的出力占比提升了4.82百分点

光伏机组的出力占比提升了1.62百分点

系统的弃风弃光量降低了30.57百分点;系统的度电成本降低了0.015 3 元/(kW·h)

度电碳排放量升高了94.37 g/(kW·h)。

Abstract

To obtain a reasonable peak regulation scheme for carbon capture power plants and study the economic and environmental benefits generated by carbon capture power plants participating in grid regulation

a 660 MW coal-fired power plant was retrofitted with carbon capture. Energy loss of each part of the power plant was analyzed to obtain the energy loss mechanism of the unit. Operations of the unit under different carbon capture rates were analyzed

and the optimized operation scheme of the carbon capture power plant was designed. Operation simulation was carried out in MATLAB for a carbon capture power plant in certain northwest region of China before and after adopting the optimized operation scheme to participate in grid regulation. Results show that the optimized operation scheme can improve the new energy acceptance capacity of the system and reduce the amount of wind and light abandonment of the system. The proportion of the output of wind turbines and photovoltaic turbines is increased by 4.82% and 1.62% separately

and the amount of wind and light abandonment of the system is reduced by 30.57%. The electricity cost of the system is reduced by 0.015 3 yuan/(kW·h)

and the carbon emission is elevated by 94.37 g/(kW·h).

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references

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