Comprehensive energy park multi-energy flow system energy efficiency evaluation method

The invention discloses a comprehensive energy park multi-energy flow system energy efficiency evaluation method, and the method comprises the steps: firstly determining the cold, heat, electricity and natural gas demands of a comprehensive energy park and the energy utilization condition of the park, and determining an energy supply system and equipment needed by the comprehensive energy park; then determining energy supply data of various systems and equipment in the integrated energy park; performing calibration quantitative calculation on the energy, and calculating complete cost coefficients of various energy sources; and finally, evaluating the energy efficiency of the comprehensive energy park multi-energy flow system. According to the method, electricity is taken as a quantitative standard, a unified quantitative function is adopted to represent grade differences of different energies, depreciation and loss of energy mass in an energy conversion process are quantitatively described, energy efficiency