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Community comprehensive energy system scheduling method considering comprehensive satisfaction

A technology that integrates energy systems and scheduling methods, which is applied in the field of optimal scheduling of energy systems, and can solve problems such as destroying the balance of heating and cooling loads and detrimental to the stable operation of multi-energy systems.

Active Publication Date: 2021-03-09
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

A single virtual energy storage model of a building may disrupt the balance between heating and cooling loads, which is not conducive to the stable operation of multi-energy systems

Method used

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  • Community comprehensive energy system scheduling method considering comprehensive satisfaction
  • Community comprehensive energy system scheduling method considering comprehensive satisfaction
  • Community comprehensive energy system scheduling method considering comprehensive satisfaction

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Experimental program
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Embodiment

[0147] Basic data:

[0148] Select residential area IES as the research object of the present invention. Take a typical summer day as an example to achieve optimal scheduling. Cooling demand accounts for the largest proportion in summer, while gas demand accounts for the smallest proportion. The operation period is 24 hours, and the optimal scheduling unit time is 1 hour. A running cycle is divided into 6 cycles according to the electricity price. Peak hours include 10:00 to 15:00 and 18:00 to 21:00, and the electricity price is 0.82￥ / kWh. Normal hours include 7:00~10:00, 15:00~18:00, 21:00~24:00, and the electricity price is 0.53￥ / kWh. The valley period includes 0:00~7:00, and the electricity price is 0.25￥ / kWh. The price of natural gas is 2.5￥ / m3.

[0149] Case settings:

[0150] Case 1: The flexible load and virtual energy storage model are not considered; the room temperature is set to a fixed value of 26°C, and the water temperature is set to a fixed value of 70°C;...

comparative example 1 and 2

[0168] Comparing Cases 1 and 2, adding the flexible electrical and gas load model, the total operating cost of the system is reduced by 2.43%. Comparing Cases 1 and 3, adding the flexible electrical and gas load and virtual energy storage model, the total operating cost of the system is reduced by 4.53%.

[0169] The present invention proposes a day-ahead optimal scheduling model based on the energy hub to reduce the operating cost of the IES. First, the virtual heating / cooling energy storage system is combined with the flexible electric / gas load model to realize the optimal operation of IES and effectively reduce the operating cost of IES. At the same time, a comprehensive satisfaction model based on comprehensive weighting method is proposed to quantify energy satisfaction and reduce the capacity redundancy of IES equipment. Finally, a case study is carried out in a residential area in summer, and the results show that when the comprehensive satisfaction rate is 0.6, the IES...

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Abstract

The invention relates to a community comprehensive energy system scheduling method considering comprehensive satisfaction. The method comprises the following steps: 1) constructing a community comprehensive energy system scheduling model considering comprehensive satisfaction in combination with the structure of a community comprehensive energy system and a demand response model; and 2) taking thecomprehensive satisfaction as a constraint, solving the community comprehensive energy system scheduling model considering the comprehensive satisfaction to obtain an optimal scheduling scheme whichis lowest in operation cost and meets the requirement of the comprehensive satisfaction, and performing scheduling operation according to the scheme. Compared with the prior art, the method has the advantages that the energy consumption cost of the system is reduced, the redundancy is reduced, and the energy satisfaction degree is ensured.

Description

technical field [0001] The invention relates to the field of energy system optimization scheduling, in particular to a community comprehensive energy system scheduling method considering comprehensive satisfaction. Background technique [0002] The excessive use of traditional fossil energy has caused continuous environmental pollution problems. Improving energy utilization and reducing pollutant emissions have become important issues that need to be considered in modern energy systems. However, traditional power systems, thermal systems and natural gas systems are independent plans , design and operation, this operation method ignores the coupling between different energy types and greatly limits the flexibility of the energy system, therefore, the integrated energy system has become an important method to solve this problem. [0003] At present, there are many researches on IES demand side management, and the regional power and heating multi-energy system based on combined...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06
Inventor 刘蓉晖孙改平马天天梁昱赫林顺富米阳赵增凯陈腾韦江川王乐凯杨涛张飞翔
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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