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Power transmission network capacity planning optimization method and system considering multiple fault scenes

A capacity planning and optimization method technology, applied to electrical components, circuit devices, AC network circuits, etc., can solve problems such as taking up a lot of time and storage space, memory exhaustion, and inaccurate planning results, so as to improve the ability of computers to solve problems , comprehensive simulation operation, and the effect of improving engineering application value

Active Publication Date: 2020-03-24
RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1
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  • Claims
  • Application Information

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Problems solved by technology

This kind of planning result is not accurate. At the same time, when the number of scenes is large, the direct solution may lead to memory exhaustion, taking up a lot of time and storage space

Method used

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  • Power transmission network capacity planning optimization method and system considering multiple fault scenes
  • Power transmission network capacity planning optimization method and system considering multiple fault scenes
  • Power transmission network capacity planning optimization method and system considering multiple fault scenes

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Embodiment Construction

[0034] The present disclosure will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. 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 disclosure belongs.

[0036] It should be noted that the terminology used herein is only for describing specific embodiments, and is not intended to limit the exemplary embodiments according to the present disclosure. 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.

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Abstract

The invention provides a power transmission network capacity planning optimization method and system considering multiple fault scenes, and the method comprises the steps: taking the minimum annual comprehensive cost as an optimization target, and constructing a power transmission network robust random optimization planning model considering the multiple fault scenes and the uncertainty of the fault probability; introducing a state variable and related constraints of load shedding punishment generated by a multi-device fault scene into the power transmission network planning model to obtain apower transmission network planning robust optimization model meeting various constraint conditions; the uncertainty part in the constraint condition is determined; and converting a power transmissionnetwork into a double-layer optimization model through duality, solving a subproblem through duality, and finally solving a power transmission network robust stochastic optimization planning model considering multiple fault scenes and fault probability uncertainty by adopting a Benders decomposition algorithm and a mixed integer linear programming algorithm to obtain a planning scheme of the power transmission network.

Description

technical field [0001] The disclosure belongs to the field of power system transmission network planning, and relates to a transmission network capacity planning optimization method and system considering multiple fault scenarios. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] Transmission network planning is one of the basic contents of power system planning. Power network planning that takes into account both effectiveness and economy can not only ensure the balance of power supply and demand and the safe operation of the system, but also save certain construction costs for power companies, which is in line with the development of the power market. need. The main goal of transmission network capacity planning is to determine how much transmission capacity to expand in the planned level year and where to meet the increasing demand of l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06H02J3/00
CPCG06Q10/04G06Q50/06H02J3/00
Inventor 孙东磊王艳王明强王纬纶杨思杨金洪曹相阳王轶群付一木魏佳杨斌王男魏鑫高效海张丽娜刘冬牟颖袁振华孙毅张栋梁
Owner RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER
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