Low-Carbon Economic Dispatch of Multi-Energy Park Considering High Proportion of Renewable Energy

doi:10.16183/j.cnki.jsjtu.2021.339

Abstract

Abstract:

To improve the utilization rate of clean energy, reduce carbon emissions, and alleviate the global energy crisis and greenhouse effect, a low-carbon economic dispatch model of multi-energy park considering high proportion of new energy consumption is proposed. First, after introducing the gas storage and heat storage equipment to the park, the potential of energy coupled devices is further tapped, and the impact of electric vehicle charging mode is explored. Then, based on the stepwise price curve, a price-based integrated thermo-electric demand response model is established. Moreover, considering the low-carbon operation of the integrated energy system, a carbon capture and storage equipment model is built. Furthermore, a mixed integer linear programming model for low-carbon economic dispatch before the day of the multi-energy park is proposed. The example analysis shows that the proposed model can improve the energy utilization rate and the scheduling flexibility of the park, effectively reduce the carbon emissions of the park, increase the income of the park, and promote the consumption of high proportion of new energy.

Key words: renewable energy consumption, electric vehicles, price-based integrated thermo-electric demand response, carbon trading, economic dispatch

CLC Number:

TM73

LÜ Xiangmei, LIU Tianqi, LIU Xuan, HE Chuan, NAN Lu, ZENG Hong. Low-Carbon Economic Dispatch of Multi-Energy Park Considering High Proportion of Renewable Energy[J]. Journal of Shanghai Jiao Tong University, 2021, 55(12): 1586-1597.

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时段	时间/h	购电/[元· (kW·h)^-1]	售电/[元· (kW·h)^-1]
谷时	1:00—7:00,23:00—24:00	0.17	0.13
平时	8:00—9:00,14:00—15:00, 21:00—22:00	0.49	0.38
峰时	10:00—13:00,16:00—20:00	0.83	0.65

设备	方式1	方式2	方式3	方式4
储热设备	×	√	×	√
P2G及储气设备	×	×	√	√

运行方式	总成本	购电成本	售电收益	购气成本	机组启停成本	弃光惩罚
方式1	956.93	385.46	525.40	1025.59	4.68	66.6
方式2	807.55	322.19	606.39	1076.10	15.64	0
方式3	878.64	385.46	526.18	1014.67	4.68	0
方式4	795.96	298.62	621.52	1103.22	15.64	0

运行方式	成本/元
方式4	795.96
方式4.1	773.49
方式4.2	750.09
方式4.3	744.03

运行方式	总成本	购电成本	售电收益	购气成本	机组启停成本	需求响应收益
方式4.3	744.03	192.37	677.66	1213.68	15.64	-
方式5	598.30	266.82	637.11	1035.78	15.64	82.83
方式5.1	493.27	207.50	596.39	1045.03	15.64	178.51
方式5.2	285.10	219.24	643.91	1044.34	15.64	350.20