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Power signal filtering method and system using Mercer projection

A power signal and projection technology, applied in the field of electric power, can solve problems such as insufficient attention

Inactive Publication Date: 2020-02-11
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current commonly used methods have not paid enough attention to this problem, and have not taken effective measures to solve this problem

Method used

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  • Power signal filtering method and system using Mercer projection
  • Power signal filtering method and system using Mercer projection
  • Power signal filtering method and system using Mercer projection

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. 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.

[0023] 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 conjunction with the accompanying drawings and specific embodiments.

[0024] figure 1 Schematic flow chart of a power signal filtering method using Mercer projection

[0025] figure 1 It is a schematic flowchart of a power signal filtering method using Mercer projection in ...

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Abstract

The embodiment of the invention discloses a power signal filtering method and system using Mercer projection. The method comprises steps of step 1, inputting an actually measured signal sequence S; and step 2, carrying out noise filtering processing of the signal sequence S according to Mercer projection, wherein the signal sequence after noise filtering is SNEW, the specific formula is as follows, SNEW=WOPTS, the WOPT is an optimal projection matrix of the Mercer.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a method and system for filtering power signals. 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 research on energy-saving strategies. [0003] At present, the...

Claims

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Application Information

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IPC IPC(8): H02J13/00H02J3/00
CPCH02J3/00H02J13/00
Inventor 翟明岳
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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