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A Weight-Based Mixed Integer Quadratic Programming Multi-objective Scheduling Method

A technology of mixed integer quadratic and scheduling method, which is applied in the field of power system, and can solve problems such as single optimization goal and failure to achieve the best economic benefits

Active Publication Date: 2021-03-12
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology

[0005] The present invention provides a weight-based mixed integer quadratic programming multi-objective scheduling method, which solves the technical problem in the prior art that the algorithm optimization target for optimal scheduling of unit loads is single and cannot achieve the best economic benefits

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[0062] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following 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 making creative efforts belong to the protection scope of the present invention.

[0063] The inventors of the present application found that, in actual operation scheduling, the coal consumption for power generation of a thermal power unit is easily affected by the open state of the boiler valve. When the boiler valve is opened, the change of boiler pressure will cause the coal consumption rate of thermal power unit to...

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Abstract

The invention discloses a weight-based hybrid integer quadratic programming multi-target scheduling method. According to the method, coal consumption, network loss, emission and electricity purchasingcost are taken as multiple reference targets for scheduling, from the perspective of conversion, according to the weight of the different targets, a multi-target problem is converted into a single-target problem for solution, and thereby solution complexity of an original multi-target optimization model is reduced, and stability and robustness of the single-target solution algorithm can be utilized to the large extent.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a weight-based mixed integer quadratic programming multi-objective scheduling method. Background technique [0002] As the proportion of combined heat and power units in the power grid continues to rise, it is an inevitable trend for units to participate in peak regulation. The market-oriented reform of the separation of power plants and power grids makes the combined heat and power units not only complete the peak-shaving task of the power grid, but also take into account the requirements of the unit itself to reduce the overall economic cost and environmental protection operation, optimize load distribution, and achieve the specified heat-to-power ratio, so as to improve the overall efficiency. This involves the multi-objective and multi-constraint optimization problem when cogeneration units participate in peak regulation. At present, extensive research has been carried...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00G06Q10/06G06Q10/04G06Q50/06
CPCG06Q10/04G06Q10/06312G06Q50/06H02J3/00H02J2203/20
Inventor 黄缙华刘菲唐升卫高雅顾博川代仕勇郑培文
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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