Comprehensive energy system optimization method considering different energy storage operation strategies

A technology that integrates energy systems and operating strategies, applied in the field of energy optimization, can solve problems that do not include solutions

Inactive Publication Date: 2019-08-09
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

However, most existing solutions focus on individual problem

Method used

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  • Comprehensive energy system optimization method considering different energy storage operation strategies
  • Comprehensive energy system optimization method considering different energy storage operation strategies
  • Comprehensive energy system optimization method considering different energy storage operation strategies

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Embodiment Construction

[0089] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention Inside.

[0090] Such as Figure 1 to Figure 18 As shown, firstly, the coupling structure of the integrated energy system is described;

[0091] The cold-heat-electric-gas structure of the integrated energy system consists of central cooling system, heating system, electric power system, natural gas system and coupling elements. And these systems are distributed in the same area as the coupling e...

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Abstract

The invention discloses a comprehensive energy system optimization method considering different energy storage operation strategies. The method comprises the following steps: S1, establishing an energy center model; S2, obtaining an energy flow equation in the energy center through the energy center model, wherein the energy flow equation comprises a power system equation, a thermodynamic system equation and a cooling system equation; S3, respectively formulating a balanced load operation strategy and a peak-valley combined operation strategy of the battery energy storage system; S4, respectively planning a cooling system, a heating system and a power supply system in the comprehensive energy system; S5, establishing an optimization model of the comprehensive energy system, wherein the optimization model comprises annual total cost and constraint conditions; and S6, calculating and solving the optimization model of the comprehensive energy system by adopting a genetic algorithm.

Description

technical field [0001] The invention relates to the field of energy optimization, in particular to a comprehensive energy system optimization method considering different energy storage operation strategies. Background technique [0002] An Integrated Energy System (IES) is a multi-energy system with cold, heat, electricity and gas. In planning models, models of the grid, heating network, gas network and power constraints must be considered simultaneously. However, most existing schemes focus on individual problems and do not include solutions to the entire set of problems. In addition, energy storage batteries play an important role in IES, and many planning problems in IES are planned based on certain boundaries without considering energy storage; The selection of energy storage and operation strategies directly affect the optimal planning results and economic costs of IES. How to select energy storage types and operation strategies is still an urgent problem to be solve...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06375G06Q50/06
Inventor 王永利王晓海李芳张福利宋福浩曾鸣马裕泽王玉东孙冬
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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