Low-carbon planning of a park-level integrated electric and heating system considering carbon trading and green certificate trading

doi:10.3969/j.issn.2097-0706.2023.02.003

Abstract

Abstract:

As a typical form of integrated energy systems，electro-thermal coupling systems have to be comprehensively and rationally planned， in order to meet the low-carbon transformation demands under the "dual carbon" target. Thus， a low-carbon planning model of a park-level integrated electric and heating system （PIEHS） with photovoltaic system is formulated which takes the carbon emission trading and green certificate trading costs as the optimization objectives. The model comprehensively considers the coupling characteristics of electric and thermal heterogeneous energy flows and the operating characteristics of distributed photovoltaic and energy storage devices. A P6H10 system is utilized to simulate and verify the proposed model in 3 scenarios. The results demonstrate that the carbon trading and green certificate trading mechanisms can effectively promote the planning of low-carbon devices such as distributed photovoltaic， energy storage， and CHP units， which facilitates the low-carbon transformation of the PIEHS. Finally， a sensitivity analysis is carried out on the carbon trading price and green certificate trading price， and the results show that the reasonable prices will reduce the total cost of the PIEHS.

Key words: "dual carbon" target, integrated energy system, combined heat and power system, photovoltaic, energy storage, CHP, carbon emission trading, green certificate trading, low-carbon park

CLC Number:

TK019

ZENG Hui, DU Yuan, LI Tao, XUE Yixun, SUN Kaiyuan, XIA Tian, SUN Hongbin. Low-carbon planning of a park-level integrated electric and heating system considering carbon trading and green certificate trading[J]. Integrated Intelligent Energy, 2023, 45(2): 22-29.

Figures/Tables 7

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设备	安装位置	容量/kW	单位运行成本/ [元·(kW·h)^-1]	单位投资成本/(元·kW^-1)
G1	B1	500	0.30	6 000
G2	B5	1 000	0.30	6 000
C1	B3	500	0.25	8 000
C2	B6	1 000	0.25	8 000
PV1	B2	500		9 000
PV2	B4	1 000		9 000
ES	B2	500		780

场景	G1	G2	C1	PV1	ES
1	第1年	第7年	第11年		第6年
2	第1年	第7年	第6年		第1年
3	第1年	第8年	第7年	第1年	第1年

项目		场景1	场景2	场景3
投资成本		889.92	989.33	1 391.16
运行成本	机组燃料成本	4 674.74	4 601.24	4 355.93
	购电成本	574.73	550.10	506.69
	弃光成本	0	0	0
	碳交易成本	70.22	5.49	-15.48
	绿证交易成本	363.23	363.23	216.48
设备残值		119.27	84.20	110.67
总成本		6 453.57	6 425.19	6 344.11