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Double-layer optimization method for fire storage capacity of multi-energy pooling center considering flexibility

A double-layer optimization and flexibility technology, applied in resources, data processing applications, forecasting, etc., can solve problems such as optimization configuration without considering operating costs, lack of flexibility in scheduling optimization, lack of feedback on operation optimization goals, etc., to reduce flexibility in down-regulation Poor performance coefficient, improved utilization efficiency, and improved flexibility

Active Publication Date: 2022-07-15
YUNNAN POWER GRID
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Problems solved by technology

Existing research focuses on multi-energy access scenarios such as wind, light, and water, and studies the initial optimal configuration, operation optimization, and flexibility of power systems for multi-energy access systems. However, operating costs are not considered in the optimal configuration. In terms of operation optimization, there is a lack of research on feeding back the operation optimization goal to the optimization configuration stage, and there is a lack of research on taking scheduling optimization flexibility as the configuration goal in security analysis

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  • Double-layer optimization method for fire storage capacity of multi-energy pooling center considering flexibility
  • Double-layer optimization method for fire storage capacity of multi-energy pooling center considering flexibility
  • Double-layer optimization method for fire storage capacity of multi-energy pooling center considering flexibility

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Embodiment Construction

[0104] The present invention will be further described in detail below in conjunction with the embodiments.

[0105] Those skilled in the art will understand that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. If no specific technique or condition is indicated in the examples, the technique or condition described in the literature in the field or the product specification is used. The materials and equipment used without specifying the manufacturer are all conventional products that can be obtained through purchase.

[0106] Based on the multi-scenario optimal scheduling simulation method, the present invention formulates a flexibility index evaluation and integration scheme considering the multi-scenario running process. And according to the operating cost and flexibility index of the optimal dispatch simulation, combined with the outer planning and configuration cost, the cap...

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Abstract

The invention relates to a double-layer optimization method for the fire storage capacity of a multi-energy collection center considering flexibility, and belongs to the technical field of multi-energy collection center optimization. Based on the multi-scenario optimal scheduling simulation method, the present invention formulates a flexibility index evaluation and integration scheme considering the multi-scenario running process. And according to the operating cost and flexibility index of the optimal dispatch simulation, combined with the outer planning and configuration cost, the capacity of two types of flexible resources, thermal power unit and battery energy storage, is used as the configuration variable to construct a multi-purpose system with dual goals of economy and flexibility. The two-dimensional optimization model of the energy collection center adopts the method of combining NSGAII, linear programming and quadratic optimization. On the basis of fully considering the dispatching scenario, the above optimization model is solved to realize the optimal configuration. The invention can reduce the abandonment rate and load shedding rate of clean energy, ensure the flexibility demand of power users, reduce pollutant discharge, and improve the service quality provided by the power grid.

Description

technical field [0001] The invention belongs to the technical field of optimization of a multi-energy collection center, and in particular relates to a double-layer optimization method for the fire storage capacity of a multi-energy collection center considering flexibility. Background technique [0002] In recent years, multi-energy integrated power supply has become an important part of current power development. The large-scale access of clean energy such as wind, light and water has reduced the pollution emissions of the original power system dominated by thermal power, and improved the low-carbon nature of the power system. However, the power generation capacity of wind, light, water and other resources fluctuates with seasonal changes, which brings important challenges to the operation and management of the power grid. Existing research focuses on multi-energy access scenarios such as wind, light, and water, and studies the initial optimal configuration, operation opt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06313G06Q10/06315G06Q50/06
Inventor 李玲芳游广增高孟平朱欣春
Owner YUNNAN POWER GRID
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