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Regional comprehensive energy system site selection planning method and system based on graph theory

A comprehensive energy system and regional technology, which is applied in the field of site selection and planning of regional comprehensive energy systems based on graph theory, can solve the problems of seldom considering the capacity configuration and site selection planning of energy storage equipment, long calculation time, and high time complexity. Achieve the effects of easy simulation debugging and modification, high versatility, and high calculation speed

Pending Publication Date: 2021-04-13
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these traditional algorithm methods often have high time complexity and long calculation time, and rarely consider the capacity configuration and location planning of energy storage equipment.

Method used

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  • Regional comprehensive energy system site selection planning method and system based on graph theory
  • Regional comprehensive energy system site selection planning method and system based on graph theory
  • Regional comprehensive energy system site selection planning method and system based on graph theory

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Comparison scheme
Effect test

Embodiment 1

[0037] The embodiment of the present invention provides a graph theory-based site selection and planning method for regional comprehensive energy systems. By analyzing the field network topology of regional comprehensive energy systems, and taking the minimization of the total operating cost of the system as the optimization goal, regional Integrated energy system energy site planning and energy demand of energy storage devices in key nodes of distribution network; including:

[0038] Obtain the influencing factors of site selection, and quantify the influencing factors;

[0039] Score each candidate address according to quantified influencing factors to select candidate energy stations;

[0040] Build empowerment networks and transform the integrated energy system network into a graph theory model;

[0041] Based on the idea of ​​the minimum sum of weighted distances between the load center and the energy station, and use the multi-source shortest path and minimum spanning t...

Embodiment 2

[0087] This embodiment provides a graph theory-based site selection and planning system for regional comprehensive energy systems, including:

[0088] The influencing factor processing module is configured to: obtain the influencing factors of site selection, and quantify the influencing factors;

[0089] The candidate energy station selection module is configured to: score each candidate address according to quantified influencing factors to select candidate energy stations;

[0090] The graph theory model transformation module is configured to: construct an empowerment network, and transform the comprehensive energy system network into a graph theory model;

[0091] The location solution solution module is configured to: solve the location solution based on the idea of ​​minimum sum of weighted distances between the load center and the energy station, and use the multi-source shortest path and minimum spanning tree algorithm;

[0092] The minimum total cost acquisition modu...

Embodiment 3

[0094] An embodiment of the present invention also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and operable on the processor. When the processor executes the program, the graph theory-based Site selection and planning method for regional integrated energy system.

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Abstract

The invention discloses a regional comprehensive energy system site selection planning method and system based on a graph theory, and the technical scheme comprises the steps: obtaining influence factors of station site selection, and carrying out the quantitative processing of the influence factors; scoring each candidate address according to the quantified influence factors so as to select a candidate energy station; constructing an empowerment network, and converting the comprehensive energy system network into a graph theory model; solving a site selection scheme by using a multi-source shortest path and minimum spanning tree algorithm based on the idea that the sum of weighted distances between the load center and the energy stations is minimum; calculating the total cost of the site selection scheme, and adding an energy storage center to the candidate site; and carrying out iterative computation until the minimum total cost is solved. According to the invention, energy station site planning of the regional comprehensive energy system and energy demands of the energy storage device in the distribution network key node can be realized, and the result reliability is improved.

Description

technical field [0001] The invention relates to the technical field of regional comprehensive energy system planning, in particular to a method and system for site selection and planning of a regional comprehensive energy system based on graph theory. Background technique [0002] As an important physical carrier of the Energy Internet, the Regional Integrated Energy System (RIES) realizes the complementary advantages of multi-energy and promotes the consumption of renewable energy by coupling power, natural gas, heating and cooling systems, and has become an energy-enhancing system. An important way to utilize efficiency and deal with the energy crisis. At present, there have been many studies on equipment capacity planning in regional integrated energy systems and distribution network expansion planning considering RIES, and research on the number, location and energy supply pipeline layout planning of RIES energy stations with energy storage equipment less. Therefore, i...

Claims

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Application Information

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IPC IPC(8): G06F16/901G06F30/20G06Q10/06G06Q50/06G06F113/04
CPCG06F16/9024G06F30/20G06Q10/06393G06Q50/06G06F2113/04Y02D10/00
Inventor 曲超李珂张承慧
Owner SHANDONG UNIV