Abstract
With the promotion of energy internet, the development of integrated energy system and the emergence of various energy storage modes, the establishment of the operation mode of integrated energy station with multiple energy storage modes of electricity, gas, cooling, and heating can improve the utilization rate of distributed new energy. Based on the infrastructure and model of regional integrated energy system, this paper studied the collaborative optimal allocation of electricity storage, electricity to gas (P2G) technology, cooling storage and heating storage under the multi energy complementary coupling operation of CCHP units. And a multi energy storage and low-carbon economic optimal allocation model of regional integrated energy system was put forward. Finally, the benefits of energy storage equipment in regional integrated energy system were quantitatively analyzed through economic indicators and carbon emission indicators. The example results showed that the regional integrated energy system with four energy storage modes of electricity, gas, cooling and heating can absorb more distributed wind and solar new energy, improve economic benefits and reduce carbon emissions.
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