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Method and system for predicting line loss rate of power distribution network

A technology of distribution network and line loss rate, applied in forecasting, information technology support systems, instruments, etc.

Active Publication Date: 2018-10-23
CHINA ELECTRIC POWER RES INST +6
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a method and system for predicting the line loss rate of the distribution network to solve the problem of predicting the line loss rate of the distribution network

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  • Method and system for predicting line loss rate of power distribution network
  • Method and system for predicting line loss rate of power distribution network
  • Method and system for predicting line loss rate of power distribution network

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[0088] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0089] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses a method for predicting a line loss rate of a power distribution network. The method comprises the steps of determining multiple electrical characteristic parameters, influencing the line loss rate, of the power distribution network, performing standardization processing on parameter values of the electrical characteristic parameters, and performing normalization processingon the line loss rate; by taking the parameter values of the electrical characteristic parameters as inputs of an input layer, and taking the value of the line loss rate as an output of an output layer, building an initial neural network model, wherein the initial neural network model comprises at least one hidden layer; determining the number of hidden layer nodes; by dynamically adjusting an inertial factor and a learning factor of a particle swarm algorithm, improving the particle swarm algorithm; by utilizing the improved particle swarm algorithm, optimizing a weight value and a thresholdvalue of the initial neural network model to determine an optimized neural network model; and inputting the electrical characteristic parameters of a power distribution network line to the optimizedneural network model, and predicting the line loss rate corresponding to the electrical characteristic parameters by utilizing the optimized neural network model.

Description

technical field [0001] The invention relates to the technical field of distribution network lines, and more specifically, to a method and system for predicting the line loss rate of a distribution network. Background technique [0002] With the development of the national economy and social productivity, my country's demand for energy has also greatly increased. Electric energy has become the most widely used secondary energy in my country's national economy and people's life by virtue of its high efficiency of transmission and conversion, convenient control, use, and cleanliness. With the increase of power demand, my country's power distribution network becomes increasingly large and complex. However, due to the serious loss of lines, the outdated management of medium and low voltage distribution network equipment in underdeveloped areas, the serious loss of medium and low voltage distribution network, and low power utilization efficiency. [0003] The 10kV medium-voltage...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y04S10/50
Inventor 刘丽平张义涛刘道新易俊胡航海邓春宇孙云超蒋蕾郭丽霍成军韩笑王新迎黄东敏
Owner CHINA ELECTRIC POWER RES INST
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