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Adjustable electric energy quality evaluation device for electrical specialty

A power quality and evaluation device technology, which is applied in the direction of circuit devices, electrical components, AC network circuits, etc., can solve the problems of not being able to meet the needs of real-time evaluation and detection, unable to assist power grid maintenance personnel to judge power quality, and low detection efficiency

Pending Publication Date: 2021-06-08
CHINA UNIV OF MINING & TECH
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is: in order to solve the problem of power quality assessment, staff often carry portable instruments for mobile detection, the detection efficiency is low, and it cannot meet the needs of real-time evaluation and detection. It is speculated that it is impossible to assist power grid maintenance personnel in judging power quality, so an adjustable power quality evaluation device for electrical professionals is proposed

Method used

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  • Adjustable electric energy quality evaluation device for electrical specialty
  • Adjustable electric energy quality evaluation device for electrical specialty
  • Adjustable electric energy quality evaluation device for electrical specialty

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Embodiment approach

[0039] The implementation is specifically: after the detection unit 2 in the front-end area obtains the power quality data, the central processing submodule 6 can call the obtained data to the evaluation module 3 to evaluate the power quality of the power grid in the overall power system through a processing algorithm. The processing algorithm is preferably Python depth algorithm, through the obtained weight for the given item to be classified, solve the probability factors of the occurrence of each category under the condition that this item occurs; the algorithm verification module 303 of the evaluation module 3 is carried out after the data improved by the database module 5. Algorithm verification, after the algorithm verification, the correct grid power quality data is obtained, and at the same time, the difference is corrected through the algorithm correction module 302, and the model adjustment module 301 obtains the model of the grid power quality within the time period t...

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Abstract

The invention discloses an adjustable electric energy quality assessment device for electrical specialty, which belongs to the technical field of electric energy quality assessment, and comprises a central processing sub-module, the output end of the central processing sub-module is bidirectionally connected with a detection unit, and the output end of the central processing sub-module is also bidirectionally connected with an economic loss assessment module. The input end of the economic loss evaluation module is connected with a conditioning unit. According to the invention, correct power grid quality data can be obtained through real-time correction, and meanwhile, after the regional quality differentiation module obtains the electric energy data calculated by the evaluation module, the regional quality in the region can be subjected to grade differentiation, so that the central processing sub-module can conveniently call the detection period of the detection unit through the grade; therefore, the detection time sequence judgment requirement can be met, the electric energy quality can be quickly judged through algorithm assistance, the professional electrical overhaul and maintenance discovery benefit is improved, the algorithm correction capacity is high, and the electric energy quality evaluation requirement of an electrical system is met.

Description

technical field [0001] The invention belongs to the technical field of electric energy quality evaluation, and in particular relates to an adjustable electric energy quality evaluation device for electrical profession. Background technique [0002] Electric energy refers to the ability to use electricity to do work in various forms. Electric energy is not only an economical, practical, clean, and easy-to-control and convertible energy form, but also a special product that the power sector provides to power users with quality guaranteed by the power generation, supply, and use parties. The quality of power supply is the basis of power evaluation. An important standard, power quality refers to the quality of electric energy in the power system. The ideal power should be a perfectly symmetrical sine wave. The main indicators to measure power quality include: voltage deviation, frequency deviation, voltage three-phase unbalance, and harmonics. [0003] The existing power quali...

Claims

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Application Information

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IPC IPC(8): G06F16/28G06Q10/06G06Q50/06H02J3/00
CPCG06F16/284G06Q10/06395G06Q50/06H02J3/00H02J2203/20Y04S10/50Y02P90/82
Inventor 李林运
Owner CHINA UNIV OF MINING & TECH
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