不同计量方法对燃气机组碳排放监测的影响分析

王健, 焦洋, 张蕾, 王华冬, 徐冬仓, 郭婷婷, 成艳亭, 叶心语, 曹蕃, 董磊, 孟凡钦, 黄忠源, 殷爱鸣, 张歆怿

分布式能源 ›› 2025, Vol. 10 ›› Issue (2) : 81-89.

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PDF(1935 KB)
分布式能源 ›› 2025, Vol. 10 ›› Issue (2) : 81-89. DOI: 10.16513/j.2096-2185.DE.(2025)010-02-0081-09
应用技术

不同计量方法对燃气机组碳排放监测的影响分析

作者信息 +

Analysis of the Influence of Different Measurement Methods on Carbon Emission Monitoring of Gas-Fired Units

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文章历史 +

摘要

燃气机组在新型电力系统中将长期发挥重要的支撑和调节作用。为推动燃气机组碳排放的精准监测,在常规碳排放计量方法的基础上,提出了基于机器学习与在线监测的数字化监测方法,以及基于电厂厂级实时信息监控系统(supervisory information system,SIS)进行在线数据与排放因子的核算方法。以某燃气机组为例,对比分析了统计期内通过4类计量方法(包括基于指南的人工核算、在线核算、基于冷干法和稀释法的在线监测以及数字化监测)所获得二氧化碳排放量的准确性。 结论如下:碳排放在线核算与人工核算之间相对误差控制在1%以内,两者可互为参考,以实现厂内数据校验;稀释法和冷干法所采用的在线监测技术均能获取准确的碳排放量,但稀释法需定期校准以维持其测量精度;通过大量机组运行数据建立起来的数字化监测模型能够实现碳排放量的实时预测,其准确度较高。在缺失二氧化碳在线监测数据时,该模型仍可为机组运行提供指导,并有望推广至同类型机组。

Abstract

Gas turbine units will play an important supporting and regulating role in the new power system for a long time. Conducting precise monitoring of carbon emissions from gas turbine units can not only optimize the operation and management of these units but also support their participation in the carbon market trading. Based on the common carbon emission measurement methods (monitoring method and emission factor method), a digital monitoring method based on machine learning and online monitoring and an online calculation method based on supervisory information system (SIS) online data and emission factors of power plants are proposed. Taking a gas unit as the research object, CO2 emission are obtained through four measurement methods (manual accounting based on guidelines, online accounting, online monitoring based on cold and dry method and dilution method, and digital monitoring) during the statistical period. The accuracy of data from different monitoring methods is compared, and the conclusions are as follows: Carbon emission online accounting based on SIS online data and emission factor method is comparable with manual accounting CO2 emission amount, with an error rate of less than 1%. They can be used as references to achieve internal data verification within the factory; Both dilution and cold-dry online monitoring technologies can obtain accurate carbon emission volumes, but dilution need regular calibration to maintain measurement accuracy; A digital monitoring model established by a large number of operational data of the unit achievs real-time prediction of carbon emissions with high accuracy. When online monitoring data miss, it can provide guidance for unit operation and is expected to be promoted to similar types of units.

关键词

燃气机组 / 碳排放 / 多源数据 / 对比分析 / 技术路线

Key words

gas-fired unit / carbon emission / multi-source data / comparison analysis / technology roadmap

引用本文

导出引用
王健, 焦洋, 张蕾, . 不同计量方法对燃气机组碳排放监测的影响分析[J]. 分布式能源. 2025, 10(2): 81-89 https://doi.org/10.16513/j.2096-2185.DE.(2025)010-02-0081-09
Jian WANG, Yang JIAO, Lei ZHANG, et al. Analysis of the Influence of Different Measurement Methods on Carbon Emission Monitoring of Gas-Fired Units[J]. Distributed Energy Resources. 2025, 10(2): 81-89 https://doi.org/10.16513/j.2096-2185.DE.(2025)010-02-0081-09
中图分类号: TK29   

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基金

中国大唐集团有限公司科技项目(DTJJ-2022-10344)

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