A power signal filtering method and system utilizing noise and jitter properties

A power signal and noise technology, applied in the field of power signal filtering methods and systems, can solve problems such as insufficient attention, and achieve the effect of simple calculation and good robustness

CN112434567BActive Publication Date: 2021-11-19NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2021-11-19

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Abstract

The embodiment of the present invention discloses a power signal filtering method and system utilizing noise and jitter properties. The method includes: Step 101 to obtain the signal sequence S collected in time order; Step 102 to obtain the noise and jitter scale factor; Step 103 to obtain Noise jitter translation factor; Step 104 asks for N noise jitter factors; Step 105 asks for filtering threshold; Step 106 asks for N 2 filter weights; Step 107 obtains the signal sequence after filtering the noise.
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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...

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Embodiment Construction

[0078] 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.

[0079] 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.

[0080] figure 1 Schematic flow chart of a power signal filtering method using noise and jitter properties

[0081] figure 1 It is a schematic flow chart of a power signal filtering method utilizing noise ...