Economic optimization scheduling method for cold, heat and electricity combined supply type miniature energy grid

A technology of micro-energy grid and cogeneration of cooling, heating and power, which is applied in the field of power system and can solve problems such as model optimization deviation

Inactive Publication Date: 2016-08-17
SOUTHEAST UNIV +2
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Problems solved by technology

However, when it subdivides the heat load into hot water load and air heat load, it does not subdivide the cooling load, and the energy storage medium of t

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  • Economic optimization scheduling method for cold, heat and electricity combined supply type miniature energy grid
  • Economic optimization scheduling method for cold, heat and electricity combined supply type miniature energy grid
  • Economic optimization scheduling method for cold, heat and electricity combined supply type miniature energy grid

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Embodiment Construction

[0107] The present invention will be further described below in conjunction with the accompanying drawings.

[0108] The present invention proposes an economically optimized dispatching method for micro-energy grids with cogeneration of cooling, heating and power, subdividing the cooling, heating and electric loads in the smart grid park into pure electric loads, hot water loads, space heat loads, refrigeration loads and space loads. 5 categories of cooling loads, analyze various energy supply and energy storage equipment in the smart grid park, establish the energy flow model of each equipment, and build the architecture of the combined cooling, heating and power micro-energy network based on the centralized and interconnected energy exchange network . Based on this framework, an economically optimal scheduling model of a combined cooling, heating and power micro-energy grid is established, and the model is solved using the interior point method based on Hessian matrix iterat...

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Abstract

The invention discloses an economic optimization scheduling method for a cold, heat and electricity combined supply type miniature energy grid. Various energy supply and energy storage devices in the cold, heat and electricity combined supply type miniature energy grid are analyzed, energy flow models of the devices are established, and a framework of the cold, heat and electricity combined supply type miniature energy grid is constructed based on energy exchange networks connected in a centralized mode; an economic optimization scheduling model of the cold, heat and electricity combined supply type miniature energy grid is established centered on the framework, and the model is solved with an interior point method based on Hessian matrix iteration according to the characteristics of the model. By scheduling the operation mode and output of all the energy supply devices in a smart grid park, economic optimization operation of the cold, heat and electricity combined supply type miniature energy grid is achieved. The energy optimization scheduling method is effective, practical and scientific, and application and popularization of energy conservation are promoted.

Description

technical field [0001] The invention relates to the technical field of electric power systems, in particular to an economically optimal scheduling method for a combined cooling, heating and power supply type micro-energy network. Background technique [0002] Under the new situation that the country is promoting energy production and consumption revolution, increasing energy conservation and emission reduction, and preventing and controlling smog, it has become the consensus of the government, enterprises and the public to improve energy utilization efficiency and reduce pollutant emissions. The CCHP (Combined Cooling Heating and Power) combined cooling, heating and power system includes three energy sources of cooling, heating and power. It uses Internet of Things technology and information technology to integrate and implement dispatching of all energy supply equipment in the region to achieve regional cooling, heating and power loads. Optimize energy supply and improve en...

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Application Information

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IPC IPC(8): G06Q50/06G06F17/50
CPCG06F30/20G06F2119/06G06Q50/06
Inventor 徐青山曾艾东王凯孙璐王迎秋赵洪磊戚艳王旭东蒋菱于建成霍现旭李国栋李志坚
Owner SOUTHEAST UNIV
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