Power distribution decision modeling method based on relevance between transformation measures and load loss indexes

A modeling method and load loss technology, applied in the field of power system, can solve complex power flow calculation and other problems, and achieve the effect of saving time and consumption

Pending Publication Date: 2020-07-14
XIAMEN ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER +1
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Problems solved by technology

[0004] In order to solve the complex power flow calculation problem involved in the traditional distribution network investment decision-making modeling, and considering the improvement of the reliability index of the current di

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  • Power distribution decision modeling method based on relevance between transformation measures and load loss indexes
  • Power distribution decision modeling method based on relevance between transformation measures and load loss indexes
  • Power distribution decision modeling method based on relevance between transformation measures and load loss indexes

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0056] A decision-making modeling method for distribution network investment planning based on deep belief network, including:

[0057] Analyze the implicit relationship between the configuration scheme of different investment reform measures and the loss of load index of distribution network;

[0058] Describe the impact of investment decision-making schemes on the reliability of distribution system load loss and other operations;

[0059] Excavate the correlation law between the configuration of technical paths under different operating conditions and the improvement of the power grid loss load index as investment benefits;

[0060] Construct a direct mapping between distribution network transformation measures and load loss indicators;

[0061] Establish power grid loss load index;

[0062] Establish an evaluation model of distribution network los...

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Abstract

The invention relates to the technical field of power systems, and provides a multi-year investment planning decision-making modeling technology based on relevance between power distribution network reconstruction measures and power grid load loss capacity indexes in order to solve the problem of complex load flow calculation involved in traditional power distribution network investment decision-making modeling and consider improvement of operation reliability indexes of a current power distribution network. According to the modeling technology, through the data mining technology, the investment decision model has great advantages in the aspects of finding problem potential rules, improving the calculation efficiency and the like, the complex load flow calculation process can be avoided, and the calculation efficiency is effectively improved. A training sample set is formed by load loss indexes and transformation measures, and corresponding association relationship rules can be obtained through offline learning of sample data and serve as the basis of a multi-year investment decision-making model. In practical application, when a reconstruction measure configuration scheme is given, the deep belief network model can quickly give a result of a load loss index as a constraint condition of a subsequent power distribution network investment decision model.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a power distribution decision modeling method based on the correlation between renovation measures and lost load indicators. Background technique [0002] The National Energy Administration issued the "Action Plan for Construction and Transformation of Distribution Networks (2015-2020)" in August 2015, which requires my country to accelerate the construction of modern distribution networks and further improve the reliability of power supply. Therefore, how to scientifically utilize the transformation funds and formulate a reasonable transformation plan is one of the key issues in the field of power distribution today. The fundamental task of distribution network is to provide users with safe, stable and high-quality power supply. Compared with the transmission network, it has many nodes and a complex structure, which has a greater impact on the reliability of power supply....

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06G06N3/04G06N3/08
CPCG06Q10/0637G06Q10/06393G06Q50/06G06N3/08G06N3/045Y04S10/50
Inventor 刘文亮梅超林宇锋陈香龙娓莉孙明洁刘俊勇沈晓东向月柴雁欣
Owner XIAMEN ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER
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