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Overhaul plan optimization method containing distributed power distribution network

A distributed power supply and distribution network technology, applied in the direction of calculation, data processing application, forecasting, etc., can solve the problems of distribution network maintenance planning problems such as stagnation and failure to reflect multi-objective and multi-constraints

Inactive Publication Date: 2016-05-11
STATE GRID CORP OF CHINA +2
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Most of the literature at home and abroad on the distribution network maintenance planning problem only stays in the single-objective optimization stage, and does not reflect its multi-objective and multi-constraint nature.

Method used

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  • Overhaul plan optimization method containing distributed power distribution network
  • Overhaul plan optimization method containing distributed power distribution network
  • Overhaul plan optimization method containing distributed power distribution network

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0026] The present invention first comprehensively considers the start time of equipment maintenance and the load transfer path, establishes the following multi-objective mathematical model and gives the objective function:

[0027] (1) The total power outage is the smallest

[0028] min f 1 = Σ i = 1 N Σ ...

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Abstract

The invention provides an overhaul plan optimization method containing a distributed power distribution network. According to the overhaul plan optimization method provided by the invention, an equipment overhaul start time and a load transfer path are comprehensively considered from the angle of a network side of the power distribution network, and an NSGAII algorithm is used for processing the overhaul plan problem of the power distribution network. On the respect of chromosome encoding form, the overhaul start time and a switch action combination are jointly encoded, and meanwhile, the relation of overhaul variable sets within an entire overhaul time period is coordinated by use of multi-period overall encoding. Therefore, multi-objective and multi-constraint optimization can be realized, and the actual needs of power supply enterprises are better satisfied.

Description

technical field [0001] The invention proposes a method for optimizing a maintenance plan of a distributed power distribution network, which belongs to the field of distribution network maintenance. Background technique [0002] Distribution network equipment maintenance is an important link in the operation of the power system, and equipment maintenance planning affects the safety and economy of the power system and the entire society. Therefore, according to the actual needs of power supply enterprises, it is necessary to consider various constraints and conduct research on the optimization of distribution network maintenance plans, so as to select the optimal maintenance plan. Distribution network maintenance planning problem is a multi-objective and multi-constraint optimization problem, and its objective function mainly includes: reliability objective, economical objective, management objective and multi-objective synthesis. In the prior art, there is a method of taking...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y04S10/50
Inventor 沈培锋罗兴周冬旭陈星莺余昆梅睿
Owner STATE GRID CORP OF CHINA
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