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Comprehensive energy system energy efficiency analysis method and system considering energy flow links

A technology of integrated energy system and energy flow, applied in the field of energy efficiency analysis of integrated energy system, can solve problems such as incomplete consideration of flow relationship, and achieve the effect of improving long-term stability and optimal configuration operation

Pending Publication Date: 2021-12-21
STATE GRID JIANGSU ELECTRIC POWER CO LTD MARKETING SERVICE CENT
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Problems solved by technology

[0004] The existing comprehensive energy system energy efficiency analysis is mostly based on the first law and the second law of thermodynamics, and the comprehensive description of the comprehensive energy system and the flow relationship of each link of energy are not fully considered.

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  • Comprehensive energy system energy efficiency analysis method and system considering energy flow links
  • Comprehensive energy system energy efficiency analysis method and system considering energy flow links
  • Comprehensive energy system energy efficiency analysis method and system considering energy flow links

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Embodiment Construction

[0089] The application will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present application.

[0090] Such as figure 1 As shown, an energy efficiency analysis method of a comprehensive energy system considering the energy flow link of the present invention specifically includes the following steps:

[0091] S1: Analyze the electricity, heat and cold energy flow paths of the integrated energy system, divide the energy flow links of the integrated energy system, establish the energy coupling and flow channels of the integrated energy system, and obtain the energy flow model of the integrated energy system;

[0092] During specific implementation, in order to consider the versatility of the model, the present invention divides the energy flow of the integrated energy system into five links: en...

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Abstract

The invention discloses a comprehensive energy system energy efficiency analysis method and system considering energy flow links, and the method comprises the steps: S1, analyzing the electric, hot and cold energy flow paths of a comprehensive energy system, dividing the energy flow links of the comprehensive energy system, and obtaining an energy flow model of the comprehensive energy system; S2, based on the energy flow model, analyzing the energy utilization efficiency of the integrated energy system from each energy flow link of the integrated energy system; S3, based on an analysis result, obtaining an energy utilization efficiency analysis calculation expression of the integrated energy system; and S4, analyzing the energy efficiency of the integrated energy system by adopting the calculation expression. Energy supply, conversion, transmission, storage and demand links of the comprehensive energy system are considered, flow of electric / hot / cold energy in the comprehensive energy system is analyzed, then the energy utilization efficiency of the comprehensive energy system is obtained, and the energy efficiency of the comprehensive energy system can be completely analyzed.

Description

technical field [0001] The invention belongs to the technical field of integrated energy systems, and relates to an energy efficiency analysis method and system for an integrated energy system considering energy flow links. Background technique [0002] With the rapid development of society, how to solve the depletion of traditional fossil energy and the aggravation of environmental pollution is a major challenge facing mankind. The efficient utilization of energy is a hot issue discussed by all walks of life. The concept of integrated energy system provides a new perspective for improving energy utilization efficiency. [0003] The comprehensive energy system includes all kinds of energy systems including electricity, gas, heat, and cold. It is deeply coupled in all aspects of energy production, conversion, transmission, storage, and demand, and provides users with electricity / heat / cooling in an efficient and environmentally friendly way. Load demand protection. Consideri...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0639G06Q50/06Y02E40/70Y02P90/82Y04S10/50
Inventor 陈铭明杨世海苏慧玲孔月萍陆婋泉
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD MARKETING SERVICE CENT
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