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A collaborative low-carbon planning method for multi-energy system based on carbon emission stream

A system planning, multi-energy technology, applied in the direction of system integration technology, information technology support system, resources, etc., can solve the problem of not being able to distinguish the carbon emission responsibility of multi-energy systems, not giving full play to the low-carbon emission reduction benefits of multi-energy systems, and less consideration Carbon emission limits and other issues

Active Publication Date: 2018-12-28
TSINGHUA UNIV
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AI Technical Summary

Problems solved by technology

[0003] At present, most of the multi-energy system planning problems use the economic optimization as the objective function, consider the constraints of the conventional energy network equations, and seldom consider the limitation of carbon emissions. Carbon emission responsibilities of regional multi-energy systems

Method used

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  • A collaborative low-carbon planning method for multi-energy system based on carbon emission stream
  • A collaborative low-carbon planning method for multi-energy system based on carbon emission stream
  • A collaborative low-carbon planning method for multi-energy system based on carbon emission stream

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Experimental program
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Embodiment 1

[0210] The following takes a 6-node system as an example for planning, and the application examples are as follows:

[0211] This example system is a 6-node multi-energy system, and the topology of the cross-regional multi-energy network is as follows image 3 shown. The system includes 4 generating units (one of which is a wind turbine), 2 gas sources and 3 regional multi-energy systems (H1~H3). The upper cross-regional multi-energy system includes a wind turbine with a capacity of 50MW to be built, 8 power transmission lines to be built and 19 natural gas pipelines to be built; each regional-level multi-energy system (energy hub) includes an existing Construction of electric boilers, 1 built gas boiler and 3 cogeneration units to be built. Consider the load profiles for two typical days in winter and summer, each with a duration of 6 months.

[0212] The overall carbon emission limit is set to be 710000 tCO2, and the planning results of the multi-energy system obtained b...

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Abstract

The invention discloses a multi-energy system cooperative low-carbon planning method based on carbon emission flow belonging to the technical field of power system optimization analysis. The method comprises the following steps of: initial allocation of a total carbon emission limit value is performed; a regional multi-energy system model is used to optimize the optimal allocation of regional multi-energy system; transmission lines, natural gas pipelines and power points in the multi-energy system are optimized by using the multi-energy system model at the cross-region level; the carbon emission of each regional multi-energy system is determined by solving the carbon emission flow distribution of the multi-energy system, and the total carbon emission limits of each regional multi-energy system are compared with those of the regional multi-energy system, and the total carbon emission limits of each regional multi-energy system are adjusted and re-planned, and the collaborative low-carbon planning of the multi-energy system is realized through iteration. The invention obtains an overall optimal multi-energy system coordinated low-carbon planning method by reasonably distributing thetotal carbon emission limit value of the overall energy system, and lays a good foundation for the low-carbon planning of the energy system.

Description

technical field [0001] The invention belongs to the technical field of power system optimization analysis, and in particular relates to a multi-energy system collaborative low-carbon planning method based on carbon emission flow. Background technique [0002] As energy issues and climate change issues become increasingly prominent, achieving low-carbon development and reducing excessive consumption of fossil energy has gradually become a common goal of human society. The core of low-carbon development is technological innovation, institutional innovation, and changes in the concept of development, which will involve the readjustment of production models, lifestyles, and values, and are closely related to national rights and interests. The multi-energy system realizes the synergistic effect of different energy systems by coupling various forms of energy such as electricity, heat, and natural gas in different time and space links, which can improve the overall utilization effi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06313G06Q50/06G06F2219/10Y04S10/50Y02E40/70
Inventor 程耀华张宁康重庆王毅杨经纬黄武靖
Owner TSINGHUA UNIV
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