Multi-Time Scale Optimization of Integrated Energy Systems with P2G-CCS Coupling
In order to enhance the consumption of renewable energy in integrated energy systems(IES)and achieve low-carbon emissions,this paper proposes a low-carbon scheduling strategy for integrated energy systems that considers demand response and power to gas and carbon capture system(P2G-CCS)coupling at multiple time scales.Firstly,an IES mathematical model with P2G-CCS coupling and considering load side demand response was established.Secondly,a tiered carbon trading model was established to constrain carbon emissions.Finally,a multi-time scale low-carbon scheduling strategy for IES with complementary sources and loads is proposed,and a daily intraday real-time scheduling model is constructed with gas and coal consumption costs,carbon storage costs,carbon trading costs,unit start-up and shutdown costs,and wind and solar curtailment costs as objective functions.The calculation results show that the proposed model effectively improves the economic benefits,low-carbon benefits,and energy utilization efficiency of IES.
power to gasintegrated energy systemmultiple time scalesdemand response
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