Energy efficiency evaluation method for composite energy system

• Main Authors: LIU QIMING, ZHOU CHANGKUAN, WEI JUNHUI, ZHANG ZHIYAO, ZHOU HONGLEI, GAO PENG, XU KANGWU, SUN LINNA, NIU XIAOCHEN, BAO CHAO, CHU SAI
• Format: Patent
• Language: Chinese; English
• Published: 26.04.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR

The invention discloses an energy efficiency evaluation method for a composite energy system, and the method comprises the steps: collecting the operation parameters of the composite energy system, the composite energy system comprises a ground source heat pump system and an auxiliary coupling system, and the auxiliary coupling system comprises a water chilling unit system, an air source heat pump system and a gas-fired boiler system; respectively calculating energy efficiency indexes of the ground source heat pump system, the water chilling unit system, the air source heat pump system and the gas-fired boiler system according to the collected operating parameters; calculating the operation energy efficiency and the operation cost efficiency of the composite energy system; according to the energy efficiency index obtained through calculation, comprehensive system operation energy efficiency of the composite energy system is calculated; calculating an energy-saving rate according to the operation energy effici