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Comprehensive energy system energy use flexibility evaluation method and system

A technology for comprehensive energy system and flexibility evaluation, which is applied in resources, data processing applications, instruments, etc., and can solve problems such as the inability to accurately quantify deployable resources

Active Publication Date: 2020-09-22
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method and system for evaluating the flexibility of energy use in an integrated energy system to solve the problem that the resources that can be deployed in the integrated energy system cannot be accurately quantified

Method used

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  • Comprehensive energy system energy use flexibility evaluation method and system
  • Comprehensive energy system energy use flexibility evaluation method and system
  • Comprehensive energy system energy use flexibility evaluation method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Such as figure 1 As shown, the present invention provides a method for evaluating the energy flexibility of an integrated energy system, comprising the following steps:

[0083] Step S1, based on the physical characteristics of energy equipment and the topology of the energy network, establish a comprehensive energy system mapping model; Step S2, based on the historical operation data of the comprehensive energy system and the historical load data in the supply area, establish an uncertainty test for both ends of the supply and demand set, generate the energy demand and energy supply pairs of the demand end under all test sets; step S3, calculate the flexibility of different energy flows according to the generated energy demand and energy supply pairs; step S4, based on the fuzzy analytic hierarchy process, determine The overall energy flexibility of the integrated energy system.

[0084] combine figure 1 The implementation process of the method is described, specific...

Embodiment 2

[0150] On the basis of Example 1, such as image 3 As shown, the present invention also provides a comprehensive energy system energy flexibility evaluation system, including the following parts:

[0151] Sensing unit: responsible for real-time monitoring of the energy flow data of each interface in the integrated energy system, and providing real-time data input for the model unit, test unit and evaluation unit;

[0152] Model unit: responsible for storing the integrated energy system mapping model and its parameters. When the topology and parameters of the integrated energy system change, the model can be updated and corrected in real time. At the same time, it is responsible for storing the historical operating data of the integrated energy system and the supply area. Historical load data, providing data input for test units and evaluation units;

[0153] Test unit: responsible for connecting the integrated energy system mapping model interface and model training interface...

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Abstract

The invention relates to a comprehensive energy system energy use flexibility evaluation method and system. The method comprises the following steps: S1, establishing a comprehensive energy system mapping model based on physical characteristics of energy equipment and an energy network topology structure; s2, according to the historical operation data of the comprehensive energy system and the historical load data in the supply area, establishing an uncertainty test set of the supply end and the demand end, and generating energy demand and energy supply pairs of the demand end under all the test sets; s3, calculating the flexibility of different energy flows according to the generated energy demand and energy supply pair; and S4, determining the overall energy use flexibility of the comprehensive energy system based on a fuzzy analytic hierarchy process. According to the method, guidance can be provided for energy gradient utilization and operation scheduling optimization of the comprehensive energy system, interaction between the supply end and the demand end is enhanced, and adverse effects caused by system uncertainty are reduced.

Description

technical field [0001] The invention belongs to the field of performance analysis and evaluation of an integrated energy system, and in particular relates to an evaluation method and system for energy flexibility of an integrated energy system. Background technique [0002] The integrated energy system integrates advanced energy supply and transmission and distribution technologies to comprehensively optimize cold, heat, electricity, gas and other energy sources. Compared with the traditional decentralized single energy system, it is economical and environmentally friendly. The advantage is the trend of future energy development. [0003] However, in the development process of the comprehensive energy system, with the increase of the penetration rate of new energy and the increase of the coupling degree between various energy forms, the system must also take into account the coordination and complementarity and cascade utilization of various energy flows, and the complexity ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06393G06Q50/06Y02P90/82
Inventor 钟崴孔凡淇林小杰周懿吴燕玲
Owner ZHEJIANG UNIV
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