可再生能源为主体的农业能源互联网碳循环建模与优化

doi:10.12204/j.issn.1000-7229.2022.10.001

摘要/Abstract

摘要：

“双碳”目标对能源领域和农业领域的节能减排提出了更高要求。农业能源互联网作为能源与农业深度耦合的产物,是实现碳中和的重要手段。提出一种面向农业能源互联网碳循环的核算方法以及计及农业柔性负荷及碳交易的农业能源互联网优化运行策略。首先,构建了农业园区内光伏、热电联产等碳排放核算模型。其次,以园区日运行成本最低为目标函数,考虑等式及不等式约束,构建优化调度模型。最后,以某园区农业能源互联网为研究对象对优化模型进行仿真,详细核算园区内碳排放情况,并通过与其他农业园区对比验证碳模型的正确性。结果表明,该优化调度策略可有效降低农业园区碳排放,实现碳中和。

关键词: 农业能源互联网, 碳排放, 运行优化调度, 农业碳中和

Abstract:

In the context of the “double carbon” goal, higher requirements have been put forward for energy conservation and emission reduction in the energy and agricultural fields. As a product of the deep coupling of energy and agriculture, the Agricultural Energy Internet is an important means to achieve “carbon neutrality”. This paper proposes an accounting method for the carbon cycle of the Agricultural Energy Internet and an optimal operation strategy for the Agricultural Energy Internet that takes into account agricultural flexible loads and carbon trading. Firstly, this paper constructs an accounting model for carbon emissions of photovoltaic generation and cogeneration in agricultural parks. Secondly, taking the lowest daily operating cost of the park as the objective function, considering the constraints of equality and inequality, an optimal scheduling model is constructed. Finally, the optimization model is simulated by taking the agricultural energy internet of a certain park as the research object, the carbon emissions in the park are calculated in detail, and the correctness of the carbon model is verified by comparing with other agricultural parks. The results show that the optimal scheduling strategy can effectively reduce the carbon emissions of agricultural parks and achieve “carbon neutrality”.

Key words: agricultural energy internet, carbon emission, optimized scheduling operation, agriculture carbon neutral

中图分类号:

TM732

牛浩森, 付学谦. 可再生能源为主体的农业能源互联网碳循环建模与优化[J]. 电力建设, 2022, 43(10): 1-15.

NIU Haosen, FU Xueqian. Modeling and Optimization of Carbon Cycle of Agricultural Energy Internet Based on Renewable Energy[J]. ELECTRIC POWER CONSTRUCTION, 2022, 43(10): 1-15.

图/表 18

图1 碳核算内容

Fig.1 Content of carbon accounting

图2 农业能源互联网及碳循环框架

Fig.2 Agricultural energy internet and carbon cycle framework

表1 部分能源设备参数

Table 1 Parameters of some energy equipment

表2 碳排放及碳配额核算参数

Table 2 Accounting parameters of carbon emissions and carbon allowance

表3 青岛市分时电价

Table 3 Time-of-use electricity price in Qingdao, Shandong province

图3 夏至日功率曲线

Fig.3 Daily power curve in summer solstice

图4 冬至日功率曲线

Fig.4 Daily power curve in winter solstice

图5 过渡季典型日功率曲线

Fig.5 Typical daily power curve in transition season

图6 夏至日优化前后结果

Fig.6 The results before and after the optimization in summer solstice

表4 夏至日碳排放量优化结果对比

Table 4 Optimized results of carbon emissions in summer solstice

表5 夏至日运行成本优化结果对比

Table 5 Optimized results of operating costs in summer solstice 元

图7 冬至日优化前后结果

Fig.7 The results before and after the optimization in winter solstice

表6 冬至日碳排放量优化结果对比

Table 6 Optimized results of carbon emissions in winter solstice t

表7 冬至日运行成本优化结果对比

Table 7 Optimized results of operating costs in winter solstice 元

图8 过渡季典型日优化前后结果

Fig.8 The results before and after the typical day optimization in transition season

表8 过渡季典型日碳排放量优化结果对比

Table 8 Optimized results of typical daily carbon emissions in transition season t

表9 过渡季典型日运行成本优化结果对比

Table 9 Optimized results of typical daily operating costs in transition season 元

表10 园区全年碳排放总量分析

Table 10 Analysis of the total carbon emissions of the park throughout the year

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