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A multi-scale filtering method and system for power signal filtering in energy decomposition

A power signal and energy decomposition technology, applied in the field of power signal filtering, can solve problems such as poor noise filtering effect

Inactive Publication Date: 2019-06-18
GUANGDONG UNIV OF PETROCHEMICAL TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a multi-scale filtering method and system for power signal filtering in energy decomposition, so as to solve the problem that the existing power signal filter has poor filtering effect on non-stationary and non-Gaussian noise

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  • A multi-scale filtering method and system for power signal filtering in energy decomposition
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  • A multi-scale filtering method and system for power signal filtering in energy decomposition

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[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0054] The purpose of the present invention is to provide a multi-scale filtering method and system for power signal filtering in energy decomposition, so as to solve the problem that existing power signal filters have poor filtering effect on non-stationary and non-Gaussian noise.

[0055]In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in c...

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Abstract

The invention discloses a multi-scale filtering method and system for filtering a power signal in energy decomposition, and the method comprises the steps: deleting a projection with a small value through setting a proper threshold, thereby filtering noise in a mother function domain. By adopting the multi-scale filtering method and the multi-scale filtering system provided by the invention, background noise in the power signal, especially non-stationary non-Gaussian noise (including impulse noise), can be effectively filtered, the filtering method is simple and has higher calculation speed, and the problem that the filtering effect of the existing power signal filter on the non-stationary non-Gaussian noise is poor is solved.

Description

technical field [0001] The invention relates to the technical field of power signal filtering, in particular to a multi-scale filtering method and system for power signal filtering in energy decomposition. Background technique [0002] With the development of smart grid, the analysis of household electricity load becomes more and more important. Through the analysis of electricity load, household users can obtain the electricity consumption information of each electrical appliance in a timely manner, as well as a detailed list of electricity charges; the power department can obtain more detailed user electricity consumption information, and can improve the accuracy of electricity load forecasting, Provide a basis for overall planning for the power sector. At the same time, using the electricity consumption information of each appliance, the user's electricity consumption behavior can be known, which is of guiding significance for household energy consumption assessment and ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06H02J3/00H03H17/02
Inventor 翟明岳
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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