Research on economic operation method of multi energy complementary systems

doi:10.3969/j.issn.2097-0706.2022.11.011

Abstract

Abstract:

To achieve the "dual carbon" target，we coordinately utilize multiple energies to improve the comprehensive energy efficiency. Demand sides of different energy systems are usually designed and operated separately. A multi-energy complementary system integrating a water-cooled air conditioning system， an air source heat pump hot water system， a PV system，a wind power system and an energy（cold，heat and electricity）storage system is constructed，which couples different subsystems at user ends. Making simulation calculation on the complementary system and apply it to the optimal design and scheduling of actual projects. In the actual project， taking the lowest comprehensive economic index as the only objective， the calculation results show that the comprehensive cost of the complementary system can be reduced by 18% under the typical working condition by increasing the capacity of electric energy storage system， reducing the capacities of the water-cooled air conditioning system， air source heat pump hot water system， chilled water storage system and heat storage tank and removing the photovoltaic system and wind power system. The simulation on the multi-energy complementary system can provide guidance for the design and operation of related projects.

Key words: multi energy complementation, integrated energy system, system modeling, optimized scheduling, economic calculation, "dual carbon" target, energy storage, coordinate scheduling

CLC Number:

TK01

ZHANG Huifu. Research on economic operation method of multi energy complementary systems[J]. Integrated Intelligent Energy, 2022, 44(11): 79-86.

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