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Comprehensive energy system optimal configuration method considering energy storage full-life-cycle operation and maintenance

A comprehensive energy system, full life cycle technology, applied in the direction of computing, resources, data processing applications, etc., can solve problems such as unseen targeted research

Active Publication Date: 2019-12-20
STATE GRID HEBEI ELECTRIC POWER CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, research on the optimal configuration of integrated energy systems is more inclined to the complementary configuration of distributed energy and multi-energy coupling. There is still no targeted research on the key role of energy storage in integrated energy systems.

Method used

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  • Comprehensive energy system optimal configuration method considering energy storage full-life-cycle operation and maintenance
  • Comprehensive energy system optimal configuration method considering energy storage full-life-cycle operation and maintenance
  • Comprehensive energy system optimal configuration method considering energy storage full-life-cycle operation and maintenance

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Embodiment example 1

[0114] Such as figure 1 As shown in the present invention, a comprehensive energy system optimization configuration method considering the full life cycle operation and maintenance of energy storage, specifically includes the following steps:

[0115] Step 1: Construct the mathematical model of the non-energy storage system of the integrated energy system. The mathematical model of the non-energy storage system of the integrated energy system comprehensively considers the energy flow equipment and energy flow conversion equipment involved in the integrated energy system, and can be applied to equipment that includes a variety of energy flow The optimized configuration of the comprehensive energy system; specifically includes: mathematical model of internal combustion engine, mathematical model of double absorption refrigerator, mathematical model of electric compression refrigerator, mathematical model of waste heat boiler, mathematical model of gas boiler.

[0116] Among them...

Embodiment example 2

[0213] Such as figure 2 As shown, an integrated energy system is established, and the equipment includes internal combustion engines, gas boilers, waste heat boilers, electric compression refrigerators, double-effect absorption refrigerators and energy storage, including electrical networks, heating networks, cooling networks and gas networks.

[0214] 1) Construction of mathematical model of non-energy storage system for integrated energy system

[0215] As shown in step 1, establish models of multi-energy flow equipment and energy flow conversion equipment such as internal combustion engines, double absorption refrigerators, electric compression refrigerators, gas boilers, and waste heat boilers, and set model parameters as shown in Table 1.

[0216] Table 1 Mathematical model parameters of each equipment

[0217]

[0218]

[0219] 2) Construction of mathematical model of energy storage system

[0220] As shown in step 2, the mathematical model of the energy storage...

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Abstract

The invention provides an integrated energy system (IES) optimal configuration method considering energy storage full-life-cycle operation and maintenance, which comprises the following steps of: thestep 1, establishing a mathematical model for equipment except for energy storage of an IES; the step 2, constructing an energy storage mathematical model considering factors such as charge-dischargepower, charge-discharge state, capacity attenuation, charge state and power balance in the charge-discharge period; the step 3, comprehensively considering the whole life cycle cost and primary energyconsumption of the system to establish an IES optimal configuration target function; and the step 4, giving an IES optimization configuration constraint, and solving the established IES optimizationconfiguration model by using an optimization solver. According to the method, the effect of energy storage in the IES is emphasized, and the energy storage model comprehensively considers capacity attenuation and other factors, so that the method is more practical; and a comprehensive optimal result of economy and energy conservation is obtained, and the weight can be selected according to the actual situation.

Description

technical field [0001] The invention relates to the field of optimal configuration of integrated energy systems, in particular to a method for optimal configuration of integrated energy systems considering the operation and maintenance of the entire life cycle of energy storage. Background technique [0002] With the development of society and economy, people pay more and more attention to environmental issues and efficient use of energy. As far as our country is concerned, our country is relatively deficient in energy, and what is more serious is that our country's energy utilization efficiency is very low. Compared with developed countries, it only accounts for 62% of its energy utilization rate, and the phenomenon of waste is extremely serious. At the same time, my country's CO 2 China's emission ranks second in the world, exceeding 3 billion tons, accounting for almost the world's CO 2 13.6% of the total amount discharged. In order to solve the current problems of sub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q10/06G06Q50/06
CPCG06Q10/06315G06Q50/06
Inventor 耿少博顾乔根孙仲民常风然任江波赵春雷张晓宇郑超莫品豪王强孙利强何亚坤吕航李力赵青春朱晓彤文继锋张春合龚啸萧彦齐少娟魏颖莉李铁成樊锐轶曹磊张雷
Owner STATE GRID HEBEI ELECTRIC POWER CO LTD
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