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Multi-energy system optimization scheduling method and device considering supply and demand two-way demand response

A technology for demand response and system optimization, applied in the field of optimal scheduling methods and devices for multi-energy systems, can solve problems such as neglect, achieve supply-demand balance and economic operation, promote multi-energy flow complementarity, and increase energy supply diversity. Effect

Pending Publication Date: 2022-04-15
STATE GRID SHANDONG ELECTRIC POWER +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, more consideration is given to demand response on the energy side, and less consideration is given to the response characteristics of the energy supply side, ignoring the comprehensive consideration of the role of supply-demand bidirectional demand response characteristics in improving the flexibility and economy of multi-energy system optimal dispatching

Method used

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  • Multi-energy system optimization scheduling method and device considering supply and demand two-way demand response
  • Multi-energy system optimization scheduling method and device considering supply and demand two-way demand response
  • Multi-energy system optimization scheduling method and device considering supply and demand two-way demand response

Examples

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Embodiment

[0222] The multi-energy system optimal scheduling method proposed in this example, considering the two-way demand response of supply and demand, is based on the modified IEEE 33-node power distribution system and 6-node thermal system to form an integrated energy system example, as shown in figure 2 shown. The system includes combined heat and power units, wind turbines, gas turbine pure generators, etc. The heating network performs energy conversion with the power grid through cogeneration units and gas boilers. The system electric load, thermal load, hydrogen load, and wind power output curves are as follows: image 3 shown. The main parameters of each device are shown in Table 1.

[0223] Table 1 Equipment parameters

[0224]

[0225] This program is modeled through the YALMIP toolbox, and the above problems are solved through Cplex12.8.0. Based on the comparative simulation analysis for the six types of scenarios given above, as shown in Table 2. "√" and "×" in t...

Embodiment 2

[0236]This embodiment provides a multi-energy system optimization scheduling device that takes into account the two-way demand response of supply and demand, including:

[0237] The parameter acquisition module is used to determine and acquire the basic operating parameters of the integrated energy system;

[0238] An integrated energy system model building block for building an integrated energy system model considering electric-thermal multi-energy flows;

[0239] The energy-side comprehensive demand response model building block is used to construct the energy-side comprehensive demand response model considering electric load and heat load;

[0240] The energy supply side demand response model building block is used to construct the energy supply side demand response model considering wind power, electric hydrogen production and hydrogen storage tanks;

[0241] The objective function building block is used to construct the objective function of energy satisfaction and the ...

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Abstract

The invention discloses a multi-energy system optimization scheduling method considering supply and demand two-way demand response. The method comprises the following steps: determining and acquiring basic operation parameters of a comprehensive energy system; modeling the comprehensive energy system considering the electric-thermal multi-energy flow; constructing an energy consumption side comprehensive demand response model considering the electric load and the thermal load; constructing an energy supply side demand response model considering wind power, electric hydrogen production and a hydrogen storage tank; constructing a target function with the lowest energy consumption satisfaction degree and the lowest operation cost of the comprehensive energy system; constructing constraint conditions of an energy balance constraint, a system network constraint and an equipment model constraint; and solving to obtain a day-ahead optimal scheduling scheme of the integrated energy system. According to the method, the supply-demand balance and economic operation of the comprehensive energy system can be realized through multi-energy-flow complementation on the premise of meeting the requirements of the electric load and the thermal load.

Description

technical field [0001] The invention relates to an optimal scheduling scheme of an integrated energy system, in particular to a multi-energy system optimal scheduling method and device taking into account supply and demand two-way demand response. Background technique [0002] The Energy Internet takes the power system as the core and link to build an interconnected network of various types of energy. Realizing the deep integration of the energy system and the Internet has become an important energy strategic demand and the development trend of related industries in China. Mastering the dynamic response characteristics of resources plays an important role in giving full play to the flexible adjustment of resources and promoting the safe and stable operation of the Energy Internet. In the prior art, more consideration is given to demand response on the energy side, and less consideration is given to the response characteristics of the energy supply side, ignoring the role of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
Inventor 董帅苗骁健刘宏波菅学辉孙丰杰刘舜超周生奇李昊王杉张媛撖奥洋于洋钟世民
Owner STATE GRID SHANDONG ELECTRIC POWER
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