绿证-碳交易机制下热电灵活响应的园区综合能源系统优化调度

doi:10.11930/j.issn.1004-9649.202308061

摘要/Abstract

摘要：

为进一步提高园区综合能源系统的可再生能源消纳率以及系统的低碳性和经济性，提出了一种考虑绿证-碳交易机制和热电联产机组热电灵活响应的园区综合能源系统低碳经济调度策略。首先，通过绿色证书交易模型和阶梯式碳交易模型构建绿证-碳交易机制，旨在提高系统可再生能源消纳水平并降低系统碳排放量；其次，将有机朗肯循环引入系统，与传统的热电联产机组和电锅炉构建热电联产机组热电灵活响应模型，从而优化系统运行并为绿证-碳交易机制提供更大发挥空间；最后，以系统总成本最小为目标，构建考虑绿证-碳交易机制和热电联产机组热电灵活响应的园区综合能源系统优化模型。算例结果表明，该策略可提高系统的可再生能源消纳率，降低系统碳排放量和总成本。

关键词: 碳交易, 绿色证书交易, 热电灵活响应, 园区综合能源系统, 低碳经济调度

Abstract:

In order to further improve the consumption rate of renewable energy and the low carbon and economy of the park integrated energy system (PIES), this paper proposes a low-carbon economic scheduling strategy for PIES, which considers the green certificate-carbon trading mechanism and the thermoelectric flexible response of combined heat and power (CHP) units. Firstly, a green certificate-carbon trading mechanism is established using the green certificate trading model and the stepped carbon trading model to improve the consumption of renewable energy within the system and decrease carbon emissions. Secondly, a thermoelectric flexible response model for CHP units is established by introducing the organic Rankine cycle into the system in combination with the conventional CHP units and electric boilers, thereby optimizing the system operations and providing greater application scope for the green certificate-carbon trading mechanism. Finally, with the goal of minimizing the total cost of the system, an optimization model of the PIES is constructed with consideration of the green certificate-carbon trading mechanism and the thermoelectric flexible response of the CHP units. The results show that the proposed strategy can improve the consumption rate of renewable energy, and reduce the carbon emissions and the total cost of the system.

Key words: carbon emission trading, green certificate trading, thermoelectric flexible response, park integrated energy system, low-carbon economic dispatch

陈兴龙, 曹喜民, 陈洁, 刘俊, 张育超, 包洪印. 绿证-碳交易机制下热电灵活响应的园区综合能源系统优化调度[J]. 中国电力, 2024, 57(6): 110-120.

Xinglong CHEN, Ximin CAO, Jie CHEN, Jun LIU, Yuchao ZHANG, Hongyin BAO. Optimized Dispatch of Park Integrated Energy System with Thermoelectric Flexible Response under Green Certificate-Carbon Trading Mechanism[J]. Electric Power, 2024, 57(6): 110-120.

导出引用管理器 EndNote|Ris|BibTeX

链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202308061

https://www.electricpower.com.cn/CN/Y2024/V57/I6/110

图/表 15

图 1 园区综合能源系统框架

Fig.1 Park integrated energy system framework

图 2 PIES中可再生能源预测出力及各负荷曲线

Fig.2 Predicted output of renewable energy and load curves in PIES

图 3 分时电价

Fig.3 Time-of-use electricity price

表 1 设备参数

Table 1 Equipment parameters

设备	容量/kW	能量转换效率/%
设备	容量/kW	气转电	气转热
燃气轮机	1000	30	60
电锅炉	500	90
余热锅炉	600	90
有机朗肯循环	600	80
热泵	250	410
电制冷机	400	240
吸收式制冷机	500	80
风力发电	2000
光伏	800

表 2 储能参数

Table 2 Energy storage parameters

设备	容量/kW	容量下限约束/%	容量上限约束/%
蓄电池	450	20	90
蓄热罐	500	20	90

表 3 各场景运行结果

Table 3 Running results of all scenarios

场景	碳排放量/kg	经济成本/元
场景	碳排放量/kg	CET	GCT	系统运行	总计
1	15384.29	6524.44		11792.98	18317.42
2	14860.52	6380.25		10966.37	17346.62
3	14351.82	5983.46	–1439.03	10315.64	14860.07
4	13480.17	5601.97	–1528.41	9596.32	13669.88

图 4 场景4的电功率平衡

Fig.4 Electric power balance in scenario 4

图 5 场景4的热功率平衡

Fig.5 Thermal power balance in scenario 4

图 6 场景4的冷功率平衡

Fig.6 Cold power balance in scenario 4

图 7 场景4的CHP输出功率

Fig.7 CHP output power in scenario 4

图 8 场景4的GT电功率输出

Fig.8 GT electric power output in scenario 4

图 9 场景4的GT热功率输出

Fig.9 GT thermal power output in scenario 4

图 10 各场景系统可再生能源消纳率

Fig.10 Renewable energy consumption rate of each scenario system

图 11 不同绿证价格下可再生能源消纳情况

Fig.11 Consumption of renewable energy under different green certificate prices

图 12 不同配额系数影响曲线

Fig.12 Impact curves of different quota coefficients

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