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Elementary substance energy flow layer model and construction method thereof

A technology for constructing methods and models, applied in the field of elemental energy flow layer model and its construction, can solve the problems of unfavorable multi-energy system complementary coupling, insufficient multi-energy system description, insufficient information interaction standardization model, etc., and achieve convenient information interaction. efficient effect

Pending Publication Date: 2022-03-11
TSINGHUA UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the integrated energy system, the research on computing models is very mature, but the standardized models for information exchange are not comprehensive enough. Conducive to the realization of complementary coupling between multi-energy systems

Method used

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  • Elementary substance energy flow layer model and construction method thereof
  • Elementary substance energy flow layer model and construction method thereof
  • Elementary substance energy flow layer model and construction method thereof

Examples

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example 1

[0251] Example 1: Natural gas storage tank installation

[0252] The natural gas storage tank model is divided into three parts: the air inlet, the tank body and the gas outlet, and a container is established, which is composed of three parts: the gas load, the gas storage unit and the gas source. The gas storage unit is the gas storage tank part of the Figure 9 shown.

[0253] Among them, the gas storage tank can be used as a gas source to provide natural gas for the system when the system gas supply is insufficient, or as a gas load to store excess gas in the system when the system gas supply is sufficient. Therefore, it is a typical "gas-to-gas" (G2G) type device, that is, the gas storage tank class inherits from the G2G class. Figure 10 A modeling approach for a gas storage tank is shown.

[0254] The attribute parameters and operating variables related to the air inlet of the air storage tank are mainly described by the gas load abstracted from the air inlet, and the...

example 2

[0257] Example 2: Heat storage electric heating

[0258] Heat storage electric heating is a main equipment for electric heating in winter in the north. Its general operation mode is: use low-peak electricity to heat, store excess heat to provide heating for the whole day, and through the introduction of energy storage links, electricity can be realized. - decoupled operation of the thermal system, Figure 11 It is a schematic diagram of the structure of heat storage electric heating.

[0259] Heat storage electric heating is composed of electric load, heat storage unit and heat source. The heat storage unit is a part of electric heating. In particular, due to the close coupling between the heat storage unit and the electric heating equipment, the heat generated by the electric heating is directly stored in the tank for heating, so the heat storage is not shown in the structural diagram Source-charge properties of the element. Table 21 lists the attribute descriptions of hea...

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Abstract

The invention provides a simple substance energy flow layer model and a construction method thereof, and the method comprises the steps: constructing a cold source conveying model according to the cold source conveying characteristics; constructing a heat source conveying model according to heat source conveying characteristics; constructing a gas source conveying model according to gas source conveying characteristics; the cold source conveying model, the heat source conveying model and the air source conveying model are combined with an existing power supply conveying model to form a simple substance energy flow layer standardized model. And the information interaction among the multi-energy systems is more convenient and efficient.

Description

technical field [0001] The invention belongs to the technical field of comprehensive energy systems, and in particular relates to a single-mass energy flow layer model and a construction method thereof. Background technique [0002] The Energy Internet with the integrated energy system as the physical carrier is the development trend of the energy system. Compared with the traditional single energy system, multi-energy flow, multi-scale, and multi-agent are the important features of the integrated energy system. Different management subjects and modeling methods of different disciplines lead to the existence of information islands between different energy flows, resulting in the gap between energy flows. The multi-scale complementary and flexible capabilities cannot be fully tapped and utilized, which will affect the overall operating efficiency of the integrated energy system. Establish a standardized information interaction model, use a unified language to describe the in...

Claims

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Application Information

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IPC IPC(8): G06F30/18G06F30/20G06F119/08
CPCG06F30/18G06F30/20G06F2119/08
Inventor 王彬郭泰李强夏天刘迪段丽娟许洪华罗兴
Owner TSINGHUA UNIV
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