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Method and device for calculating line loss of distribution network

A technology of power distribution network and line loss, which is applied in computing, electrical digital data processing, instruments, etc., can solve the problems of inaccurate line loss and large deviation, and achieve the effect of accurate line loss

Active Publication Date: 2014-10-29
UTOPUS INSIGHTS INC
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

This method uses the root mean square of a limited number of current measurements as the current value of the distribution network, which has a large deviation from the actual current value, so the calculated line loss is not accurate

Method used

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  • Method and device for calculating line loss of distribution network
  • Method and device for calculating line loss of distribution network
  • Method and device for calculating line loss of distribution network

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Embodiment Construction

[0020] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0021] Those skilled in the art know that the present invention can be implemented as a system, method or computer program product. Therefore, the present disclosure can be specifically implemented in the following forms, namely: it can be complete hardware, it can also be complete software (including firmware, resident software, microcode, etc.), and it can also be a combination of hardware and software. Called a "circuit", "module" or "sy...

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Abstract

The invention discloses a method and device for calculating the line loss of a distribution network. The distribution network comprises at least one branch line and at least one load point. The method comprises the steps that a reference load curve of the load point is adjusted based on the power measurement value of the load point to generate a predicted load curve of the load point, wherein the reference load curve is a curve of the consumed power of the load point relative to time; the line loss of the distribution network is calculated based on the predicted load curve of the load point. By means of the method and device, the line loss of the distribute network can be calculated more accurately.

Description

technical field [0001] The present invention relates to power distribution networks, and in particular to a method and device for calculating line losses of power distribution networks. Background technique [0002] In the power grid, electricity is transmitted through the backbone network, and the electricity is distributed to end users through the distribution network after transformation. When electricity is transmitted in the power distribution network, due to the impedance of the lines in the network, power loss will occur, that is, the line loss of the power distribution network, which will bring economic losses to the power company. Therefore, managing and reducing line loss has become a problem that power companies need to solve. In order to solve this problem, it is necessary to calculate the line losses of the distribution network. [0003] Two line loss calculation methods have been proposed, namely, a statistical line loss calculation method and a theoretical l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCY02E60/00
Inventor 赵大溥高峰初祥祥田启明尹文君马君华
Owner UTOPUS INSIGHTS INC
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