Energy utilization efficiency weak point identification method and system of energy interconnection system

Abstract

The invention discloses an energy utilization efficiency weak point identification method and system for an energy interconnection system, and the method comprises the steps: building a physical topology model of the energy interconnection system according to an energy supply, transmission, conversion, storage and use link and equipment of a corresponding link; based on the data information collected by the energy detection points of the energy interconnection system, obtaining the energy flow quantity of the energy in the links of supply, transmission, conversion, storage and use of the energy interconnection system, calculating the energy loss of each link, and forming an energy flow diagram of the energy interconnection system; calculating the energy utilization efficiency of the energyinterconnection system according to the energy input quantity and the energy usage quantity of the supply side and the demand side of the energy interconnection system; and comparing the energy utilization efficiency of the energy interconnection system with the benchmarking value, and identifying the weak point of the energy utilization efficiency of the energy interconnection system. The methodprovided by the invention is helpful for mining system energy efficiency weak points, can comprehensively and objectively reflect the energy efficiency state of system link equipment, and can effectively locate the weak points of system energy utilization.

Description

technical field [0001] The invention belongs to the technical field of energy utilization, and relates to a method and system for identifying weak points of energy utilization efficiency in an energy interconnection system. Background technique [0002] At present, my country's energy consumption is facing a development situation of large total energy consumption and rapid growth. In the energy supply link, coal accounts for a high proportion, renewable energy consumption is difficult, and environmental pollution is serious; in the energy network transmission link, different energy systems such as electricity, heat, cold, and gas are relatively closed and isolated; in the energy use link, energy utilization efficiency Low energy consumption per unit of GDP is more than twice the average level of developed countries in Europe and America. Facing the energy development situation, my country proposes to build an energy Internet, explore energy environmental protection, green, ...

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Problems solved by technology

[0003] However, the existing electricity, gas, cooling, heating and other energy systems operate independently, and the energy efficiency analysis method is mainly to analyze the weak points of energy efficiency from the perspectives of structural energy saving, technical energy saving, management energy saving, etc., and tap the potential of energy efficiency improvement

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