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A combined cooling heating and power system capacity configuration method and system in a local area energy internet

A technology of combined cooling, heating and power, energy internet, applied in neural learning methods, biological neural network models, instruments, etc., can solve the problems of difficult to achieve ideal configuration, limited distribution of natural resources, low economic benefits, etc. The effect of safe and stable operation

Inactive Publication Date: 2019-05-17
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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  • Application Information

AI Technical Summary

Problems solved by technology

Limited by the distribution of natural resources at this stage, the introduction of new energy power generation has certain limitations
The economic benefits that can be improved by adjusting the parameter matching are not high, because the actual parameters are subject to various conditions, and it is difficult to achieve the ideal configuration.
[0004] To sum up, in the local energy Internet, the existing configuration method of combined cooling, heating and power supply system will be difficult to meet the needs of actual operation

Method used

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  • A combined cooling heating and power system capacity configuration method and system in a local area energy internet
  • A combined cooling heating and power system capacity configuration method and system in a local area energy internet
  • A combined cooling heating and power system capacity configuration method and system in a local area energy internet

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Embodiment

[0082] Taking a smart park with distributed power sources such as gas turbines, wind turbines, photovoltaic cells, and energy storage batteries in Taixing, Jiangsu Province, my country as an example, the energy storage batteries that have been configured will operate in a profit-making mode, and the combined cooling, heating, and power supply system will operate In the grid-connected grid mode, determine the configuration results, and compare and analyze its economics with the traditional mode.

[0083] According to the above load forecast results, factors such as production shifts of heat users are considered, and the current load simultaneous rate is referred to. The maximum heat load of steam is considered to be a simultaneous rate coefficient of 0.75, and the average and minimum heat load is considered to be reduced by a factor of 0.85, which are respectively converted to the energy station outlet parameters. The loss of the pipe network is considered to be 5%, and the heat ...

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Abstract

The invention belongs to the technical field of combined cooling heating and power systems, and particularly relates to a combined cooling heating and power system capacity configuration method and system in a local area energy internet, which comprises a load prediction module, a configuration module of the combined cooling heating and power system and a result output module. The method is characterized by predicting the load through a long-short-term memory neural network prediction algorithm, and processing data obtained through load prediction; taking the minimum annual cost of the systemas an objective function, establishing a mathematical model of optimal configuration, outputting an optimal configuration scheme of the system by considering the conditions of load balance constraint,equipment operation constraint, safety stability constraint and the like, and determining the application range of the capacity configuration method under the specific load condition. The capacity configuration and load prediction results formed by the method are of great significance to guidance of system scheduling operation, acquisition of potential risks of the system, formulation of a control scheme and guarantee of safe and stable operation of the system.

Description

technical field [0001] The invention belongs to the technical field of combined cooling, heating and power supply systems, and in particular relates to a capacity configuration method and system for a combined cooling, heating and power supply system in a local energy Internet. Background technique [0002] Local energy internet refers to a new energy independent supply model based on the distribution network of the park, with gas as the core energy, efficient utilization of energy such as wind power and distributed photovoltaics, and multi-energy collaborative optimization as the main form, and for a large-scale development park. , to meet the multi-energy needs of users as the basic goal of local energy Internet. However, there are multi-energy flow couplings between gas turbines, wind power, distributed photovoltaics, and energy storage, so that the combined cooling, heating, and power supply system cannot be considered separately from the local energy Internet, and multi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06G06N3/04G06N3/08
Inventor 马静周晓东吴羽翀王瑞峰李智张健朱青梁广平
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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