An electric heating comprehensive energy system scheduling method based on improved weak robustness optimization

Abstract

The invention discloses an electric heating comprehensive energy system scheduling method based on improved weak robustness optimization. According to the invention, the model description of the powerdemand response (DR) is compared and expanded to the electric heating comprehensive demand response (IDR), and the price type and excitation type comprehensive demand response is modeled; Under the low-carbon background, an electric heating comprehensive energy low-carbon dispatching model containing a combined heat and power generation unit, a pumped storage electric boiler, a heat storage electric boiler and a heat storage device is established, and the electric power constraint condition and the thermal power constraint condition are determined with the minimum comprehensive energy operation cost and the maximum benefit of a carbon emission transaction model as objective functions; Considering the uncertainty of wind power and comprehensive demand response, and the improved weak robustoptimization is utilized to process the uncertainty of the source load side to obtain an improved weak robust low-carbon scheduling model of the electric heating comprehensive energy system; And finally, an improved bacterial population drug tendency algorithm (BCC) is adopted for solving, and the effectiveness of the proposed model and algorithm is verified through examples.

Description

technical field [0001] The invention relates to the field of dispatching of large power grids, in particular to a dispatching method of an electric-thermal comprehensive energy system based on improved weak robust optimization. Background technique [0002] As an important part of the Energy Internet, the electric-thermal integrated energy system connects the power system and thermal system through coupling elements such as cogeneration units, heat storage devices, electric boilers, and heat pumps to realize the conversion of electric energy and heat energy, which can be reasonably Configure the production and conversion process of electric energy and thermal energy. With the introduction of the concept of integrated energy system, the research on the optimal operation of integrated energy system has gradually become a research hotspot of scholars at home and abroad. [0003] In the context of integrated energy, it is of far-reaching significance for the electric power indu...

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Problems solved by technology

[0006] The invention provides a low-carbon scheduling method for electric-thermal integrated energy systems based on improved weak robust optimization, aiming to overcome the problem that tolerance and slack are not limited in the traditional weak robust optimization process

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