Abstract
Airport is a typical integrated energy system in a park with various energy requirements. In this paper, a multi-dimensional quantitative analysis of system performance indicators was conducted by using a comprehensive weighting method based on the analytic hierarchy process (AHP) and anti-entropy weight method. A distributed energy system evaluation matrix model was used to evaluate and compare different integrated energy designs. The results showed that electric boilers would increase the primary energy ratio and primary energy consumption than the ones caused by gas boilers. Also, energy storage devices could significantly decrease pollutant emissions of integrated energy systems but would increase investment costs and reduce the economic indicators of system solutions. In a word, the configuration with ice storage, combined cooling, heating and power (CCHP), gas boiler, ground source heat pump (GSHP), air source heat pump (ASHP), and absorption chiller had the best evaluation indicators.
Highlights
With the development of the Energy Internet, integrated energy systems will become more complex and intelligent with the in-depth integration of equipment, energy, and internet information
Heat is mainly provided by ground source heat pump (GSHP) and CCHP and purchased from heat networks, and the remaining heat demand is provided by electric boilers
Cooling is mainly provided by GSHP, absorption chiller units, air source heat pump (ASHP), and ice storage units
Summary
With the development of the Energy Internet, integrated energy systems will become more complex and intelligent with the in-depth integration of equipment, energy, and internet information It involves various energy subsystems of power, heating, cooling, and gas, and multiple energy conversion systems and is closely related to economic, environmental, reliability, meteorological parameters, energy resources, and topographic environment. Integrated energy systems break the existing pattern that planning, design, and operation of various energy supply systems such as power, gas, heating, and cooling systems are separated. Design, construction, and operation stages of the integrated energy systems, a new regional energy supply system that makes full use of renewable energy is formed through the coordination and optimization of various sectors, including the production, transmission, distribution, conversion, storage, and consumption of various types of energy [1,2]. It is necessary to establish a comprehensive evaluation model through an evaluation index system and corresponding quantitative evaluation method for comprehensive multi-energy utilization so as to make a comprehensive evaluation of the energy system
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