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Decision method of three-level distribution network investment decision system

A decision-making method and distribution network technology, applied in resources, information technology support systems, instruments, etc., can solve problems such as solution accuracy deviation and judgment uncertainty

Active Publication Date: 2019-03-19
STATE GRID CORP OF CHINA +1
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Problems solved by technology

However, when the AHP method performs a pairwise comparison, if the information is incomplete, the judgment will be uncertain, resulting in a large deviation in the solution accuracy.
The second category is the research on distribution network investment allocation under the constraints of a certain investment amount, which involves multi-objective optimization problems

Method used

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  • Decision method of three-level distribution network investment decision system
  • Decision method of three-level distribution network investment decision system
  • Decision method of three-level distribution network investment decision system

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Embodiment 1

[0114] see figure 1 , a decision-making method of a three-level distribution network investment decision-making system, the decision-making system includes an investment scale decision-making module, an investment direction decision-making module and an investment project decision-making module;

[0115] The decision-making method is based on the data of the State Grid Corporation of China's distribution network from 2014 to 2017 on the operating data of 11 prefectural companies in a province and the year-end summary statistics as the basic data, and the distribution network of the province in 2018 is set The total investment is 18 billion yuan, and the statistics and calculation software are MATLAB and SPSS. Follow the steps below:

[0116] Step 1. Establish an evaluation index system for distribution network investment effectiveness, and divide each index in the system into three categories: positive index, negative index, and moderate index. The index system includes power ...

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Abstract

The invention relates to a decision method of a three-level distribution network investment decision system, the investment scale decision-making module firstly adopts Logistic growth model to fit therelationship between comprehensive evaluation of distribution network construction status and cumulative investment, and to forecast the target annual electricity consumption for each region, using polynomial to fit the relationship between electricity consumption and cumulative investment, to get the corresponding cumulative investment, and then the regional optimal allocation of distribution network investment is carried out according to the cumulative investment amount, then the investment direction decision module takes the result of regional optimal allocation as the investment constraint of distribution network, according to the attributes of each investment project to the importance of the distribution network construction, the project attributes optimization allocation, investmentproject decision-making module then take the project attributes optimization allocation results as attribute investment constraints, according to the comprehensive evaluation results of each investment project to determine the project optimization model of distribution network investment, and finally the project optimization can be carried out. This design not only guarantees the integrity, coordination and network of the distribution network investment, but also accords with the engineering practice.

Description

technical field [0001] The invention belongs to the field of distribution network automation, and in particular relates to a decision-making method for a three-level distribution network investment decision-making system. Background technique [0002] In recent years, with the rapid growth of my country's national economy, the demand for electricity in the whole society has continued to increase, and the investment in power grid companies has also continued to increase. Issues of focus. However, at present, problems such as unreasonable capital allocation and poor investment balance of prefecture-level power grid companies in China's provincial-level power grid companies are common. There are problems with arrangements and so on. There is a lot of room for improvement in the investment efficiency of the distribution network. A complete and reasonable distribution network investment decision-making system is very important for power grid enterprises to achieve intensive and...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q40/06G06Q50/06
CPCG06Q10/06315G06Q10/0637G06Q10/0639G06Q40/06G06Q50/06Y04S10/50
Inventor 汪颖翔方仍存张籍周玉洁陈峰雷何杨洁黄敬择
Owner STATE GRID CORP OF CHINA
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