Joint optimization algorithm for active distribution network based on mixed integer linear programming

An active distribution network, mixed integer technology, used in electrical components, circuit devices, AC network circuits, etc.

Inactive Publication Date: 2020-06-19
STATE GRID SHANDONG ELECTRIC POWER +1
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Problems solved by technology

[0007] In order to solve the deficiencies of the prior art, the purpose of the present invention is to provide a joint optimization algorithm for active distribution networks based on mixed integer linear programming. The present invention uses a mixed integer linear programming method to reduce the complexity and difficulty of solving optimization problems. The global optimal solution can be obtained, which improves the solution efficiency and accuracy of the active distribution network planning problem, and can realize the planning of the active distribution network line selection and DG constant capacity at the same time

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  • Joint optimization algorithm for active distribution network based on mixed integer linear programming
  • Joint optimization algorithm for active distribution network based on mixed integer linear programming
  • Joint optimization algorithm for active distribution network based on mixed integer linear programming

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[0093] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0094] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0095] As introduced in the background technology, there is a problem that the active distribution network optim...

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Abstract

The invention discloses an active power distribution network joint optimization algorithm based on mixed integer linear programming. The algorithm comprises the steps that modeling is carried out on uncertain factors in active power distribution network programming; basic data in active power distribution network programming are input; an active power distribution network comprehensive programmingmodel which satisfies each constraint condition is constructed, and the objective function is the minimum composite cost; the nonlinear active power distribution network comprehensive programming model is linearized; and a mixed integer linear optimization algorithm is used to solve the model. According to the invention, the complex large-scale mixed integer nonlinear programming problem of active power distribution network programming is converted into a mixed integer linear programming problem through a linearization method; a mature MILP commercial solver can be used for solving; the solving difficulty of the active power distribution network programming problem is greatly simplified; and the efficiency and reliability of model solving are improved.

Description

technical field [0001] The invention relates to the technical field of power system distribution network, in particular to a joint optimization algorithm for active distribution network distributed generation (distributed generation, DG) capacity and line selection based on mixed integer linear programming. Background technique [0002] The active distribution network is a power distribution system that manages the power flow through a flexible network topology for active control and active management of distributed energy. It can increase the system's ability to accept distributed energy, improve the system's ability to accommodate renewable energy, improve the asset utilization efficiency of the power distribution system and slow down its upgrade investment, while improving the quality and reliability of power supply. [0003] Distribution network planning is to meet the requirements of future annual load growth and power grid development, and determine when, where, and wh...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38H02J3/28
CPCH02J3/003H02J3/28H02J3/381H02J2203/20
Inventor 吴衍达陈波涛李晓王明强徐珂侯广松王洋踪凯邓帅
Owner STATE GRID SHANDONG ELECTRIC POWER
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