Planning method of electricity-heat-hydrogen multi-energy system considering uncertainty

An uncertain, multi-energy technology, applied in the planning field of electric-thermal-hydrogen multi-energy system, can solve problems such as poor planning effect

Pending Publication Date: 2020-06-05
WUHAN UNIV OF TECH
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Problems solved by technology

[0006] In view of this, the present invention provides a planning method for an electric-thermal-hydrogen multi-energy system con

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  • Planning method of electricity-heat-hydrogen multi-energy system considering uncertainty
  • Planning method of electricity-heat-hydrogen multi-energy system considering uncertainty
  • Planning method of electricity-heat-hydrogen multi-energy system considering uncertainty

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Embodiment Construction

[0130] The inventors of the present application have found through a lot of research and practice that: in terms of renewable energy utilization, the existing research has not fully considered the impact of wind and wind output uncertainty on system planning, resulting in the multi-energy system planning results often being difficult to meet the actual operation requirements, resulting in More serious energy shortage or waste of energy supply. Therefore, when planning and designing a multi-energy system that supports large-scale renewable energy access, it is important to fully consider the uncertainty of renewable energy output and take into account the economics, environmental protection, and reliability of system planning. significance.

[0131] The present invention aims at the deficiencies of existing research and optimization requirements, and proposes an optimal planning method for electric-thermal-hydrogen multi-energy systems considering uncertainty, so as to achieve ...

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Abstract

The invention discloses a planning method of an electricity-heat-hydrogen multi-energy system considering uncertainty. Firstly, a multi-energy system model is established according to an energy supplyand demand relationship; aiming at the defects that an existing electricity-to-gas technology in a model is large in energy loss, a single operation mode of a combined heat and power generation unitis difficult to be matched with renewable energy output and the like, measures of preferentially supplying hydrogen generated by P2G to a fuel cell vehicle, switching a CHP operation mode according tothe renewable energy output and the like are provided. Secondly, for the influence of renewable energy output uncertainty on system planning, an uncertainty scene is described based on a scene method; thirdly, a multi-objective mathematical model is established with the minimum economic cost, the maximum renewable energy comprehensive utilization rate and the minimum energy supply as objectives,and constraint conditions are provided. Finally, the model is solved by adopting a multi-objective particle swarm algorithm and a fuzzy membership function. The method is helpful for planning and design of a multi-energy system with large-scale renewable energy access to a certain extent.

Description

technical field [0001] The invention relates to the technical field of comprehensive energy systems, in particular to a planning method for an electric-thermal-hydrogen multi-energy system considering uncertainty. Background technique [0002] With the increasing shortage of global resources and ecological environment problems, multi-energy systems, as an effective means of energy supply, have attracted widespread attention from various countries. However, it involves more conversion equipment, and the planning is often more complicated. It is necessary to optimize the equipment capacity, reduce the system economic cost, improve the utilization rate of renewable energy, and ensure the reliability of energy supply under the condition of meeting various load demands. [0003] In the process of implementing the present invention, the inventor of the present application found that the method of the prior art has at least the following technical problems: [0004] In terms of mu...

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Application Information

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IPC IPC(8): G06Q50/06G06N3/00G06F30/20H02J3/00H02J3/46H02J3/38G06F111/04G06F111/06
CPCG06Q50/06G06N3/006H02J3/008H02J3/46Y04S10/50Y02E40/70
Inventor 侯慧刘鹏吴细秀李显强薛梦雅徐焘
Owner WUHAN UNIV OF TECH
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