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Attribute interval identification method for intelligent power distribution network efficiency evaluation

A smart distribution network and attribute interval technology, applied in the direction of electrical digital data processing, instruments, calculations, etc., can solve the problem of distributed power output stability and poor adjustability and controllability, unpredictable changes in load characteristics, and grid security and stability High risk of operation and other issues

Active Publication Date: 2013-12-25
HOHAI UNIV +5
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Problems solved by technology

The output stability and adjustable controllability of distributed power generation are poor, and the higher the penetration rate, the greater the risk of safe and stable operation of the power grid
User interaction is spontaneous and random, making it difficult to predict changes in load characteristics, and without reasonable guidance will affect the safe and stable operation of the power grid

Method used

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  • Attribute interval identification method for intelligent power distribution network efficiency evaluation
  • Attribute interval identification method for intelligent power distribution network efficiency evaluation
  • Attribute interval identification method for intelligent power distribution network efficiency evaluation

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Embodiment Construction

[0037]The attribute interval identification scheme for the efficiency evaluation of the smart distribution network is to establish a three-layer attribute measurement matrix between the basic data of the smart distribution network and the efficiency. According to the collected basic data of the smart distribution network, on the basis of data standardization, based on the maximum The entropy principle calculates the attribute measurement interval and comprehensive attribute measurement value of the performance index, criterion index and comprehensive index, and automatically identifies the attribute interval of the efficiency of the smart distribution network. The specific evaluation process is as follows:

[0038] Step 1: Read the information required for assessment, including power grid construction and structure information, power grid operation information, user reliability demand information, distributed power supply capacity and operation information, electromagnetic / nois...

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Abstract

The invention relates to an attribute interval identification method for intelligent power distribution network efficiency evaluation. A three-layer attribute measuring matrix between intelligent power distribution network basic data and efficiency is built, intelligent power distribution network efficiency attribute intervals are identified automatically on the basis of index data standardization, and attribute measuring interval and comprehensive attribute measurement value of maximum entropy principle calculating performance index, standard index and comprehensive index. The method includes the steps of firstly, reading information required by the evaluation; secondly, building an attribute measuring matrix of comprehensive index, standard index and performance index; thirdly, standardizing index data; fourthly calculating attribute measuring intervals of comprehensive index, standard index and performance index; fifthly, calculating comprehensive attribute measurement of efficiency index, and identifying attribute intervals of intelligent power distribution network efficiency so as to realize intelligent power distribution network efficiency evaluation.

Description

technical field [0001] The invention relates to an attribute interval identification method for the high efficiency of an intelligent distribution network, and belongs to the cross-technical application field of the theory of an intelligent distribution network and attribute mathematics. Background technique [0002] Smart grid is the development trend of the future power grid. It has the characteristics of safety, self-healing, interaction, compatibility, cleanliness, high efficiency, and high quality. It plays an important role, and its core driving force is to solve energy security and environmental protection issues and address climate change. The essential difference between the smart grid and the traditional grid is that the energy balance mode has changed. The traditional power grid is regulated according to the power demand of users, so as to achieve real-time balance. In the smart grid, the power supply and load are widely distributed in the power grid. To achieve...

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Application Information

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IPC IPC(8): G06F19/00
Inventor 陈星莺余昆陈楷李子韵徐石明黄建勇王晓晶廖迎晨王平
Owner HOHAI UNIV
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