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Distribution network loss reduction method and device

A distribution network and loss reduction technology, applied in the direction of circuit devices, electrical components, AC network circuits, etc., can solve problems such as difficult loss reduction methods

Active Publication Date: 2016-09-14
海南电网有限责任公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the comprehensive influence of different loss reduction methods is not considered in the prior art. The methods proposed by them are all based on a local optimal configuration to obtain another local optimal configuration, and the results obtained are difficult to achieve a balance between various loss reduction methods. According to the characteristics of the loss reduction method, comprehensive consideration can be realized, and the global optimal configuration can be realized

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  • Distribution network loss reduction method and device
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  • Distribution network loss reduction method and device

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Embodiment Construction

[0040] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0041] Detailed exemplary embodiments are disclosed below. However, specific structural and functional details disclosed herein are merely for purposes of describing example embodiments.

[0042] It should be understood, however, that the invention is not limited to the particular exemplary embodiments disclosed, but covers all modifications, equivalents, and alternatives falling within the scope of the disclosure. Throughout the description of the figures, the same reference numerals denote the same elements.

[0043] Also, it should be understood that as used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Also it will be understood that when a component or unit is referred to as being “connected” or “coupled” to another component or unit, it can be directly connected or coupled to the other component or ...

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Abstract

Provided is a loss reduction method and device for a power distribution network. The loss reduction method for the power distribution network comprises the steps: A, coding a chromosome according to the power distribution network line switch state and the reactive compensation capacity of nodes needing reactive compensation, and constructing an initial population; B, producing a new population through an inheritance method with the power distribution network total loss serving as the fitness; C, determining the power distribution network line switch state and the reactive compensation capacity of each node needing reactive compensation according to a result chromosome of the new population when the new population meets the preset condition of convergence, and otherwise returning to the step B for continuous inheritance. By means of the power distribution network loss reduction method and device, the power distribution network line switch state and the reactive compensation capacity of the nodes needing reactive compensation can be taken into consideration of loss reduction, and the global optimal configuration is achieved.

Description

technical field [0001] The invention relates to the field of power system equipment, in particular to a control method for a distribution network system in a power system. Background technique [0002] For a long time, the focus of my country's power grid construction has been mainly concentrated on the transmission network with high technical content, which plays a key role in power supply capacity and safe and stable operation, while the terminal power distribution network with a relatively simple structure and a small impact on the entire power grid is 10kV and below. The lack of attention to the distribution network makes the network loss rate generally high during the operation of the distribution network, which seriously affects the economic operation of the power system and is not conducive to the realization of energy conservation and emission reduction goals. [0003] The main measures of the current distribution network loss reduction technology are to optimize the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00
CPCH02J3/18
Inventor 余加喜刘彬和毛安家黄昀思陈兰兰裴子霞
Owner 海南电网有限责任公司