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Electric energy monitoring data optimizing device and optimizing method thereof

A technology for optimizing devices and power monitoring, applied in circuit devices, electrical components, information technology support systems, etc., can solve the problems of very high hardware requirements, huge amount of power quality data, and high cost, achieving powerful data processing functions and saving energy. The effect of data storage space and fast update speed

Active Publication Date: 2015-05-27
STATE GRID CORP OF CHINA +2
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AI Technical Summary

Problems solved by technology

Some large and medium-sized non-linear load user lines have begun to adopt online power quality monitoring technology to implement all-weather real-time monitoring; and through theoretical calculations such as complex Fourier transform, instantaneous reactive power theory, and harmonic subgroup algorithm, the real-time calculation of the power grid The data of various power quality indicators can be monitored in real time, but the amount of power quality data is huge. The sampling frequency of each cycle of the monitoring equipment is greater than 512 times, and the amount of data per day is as high as 17M. Conventional equipment needs to save data for more than 6 months. At least 1.26G of flash is required, so the hardware requirements are very high and the cost is very high

Method used

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  • Electric energy monitoring data optimizing device and optimizing method thereof

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Embodiment Construction

[0039] Refer to attached figure 1 A device for optimizing electric energy monitoring data includes a voltage / current transformer, an acquisition and analysis module, a data processing optimization module, a memory database, a central processing unit, a display module and an alarm module, the device is connected to the power grid through the voltage / current transformer, Collect the basic signals of the power grid; the basic signals include A-phase voltage, B-phase voltage, C-phase voltage, A-phase current, B-phase current and C-phase current; the input terminal of the collection and analysis module and the output terminal of the voltage / current transformer The input end of the data processing optimization module is connected with the output end of the acquisition and analysis module, the memory database is respectively connected with the output end of the data processing optimization module and the central processing unit, and the output end of the central processing unit is con...

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Abstract

The invention discloses an electric energy monitoring data optimizing device and an optimizing method thereof. The electric energy monitoring data optimizing device can monitor electric energy quality of non-linear load user circuits in real time, can display, analyze and optimize data in real time, effectively saves data storage space and improves transmission efficiency. The optimizing device comprises a voltage / current transformer, a collecting and analyzing module, a data processing and optimizing module, a main memory database, a central processing unit, a displaying module and an alarming module, wherein the voltage / current transformer is used for collecting basic signals of a power grid, the basic signals are converted into digital signals through an analog-digital converter installed in the collecting and analyzing module to calculate all electric energy quality index data, the data processing and optimizing module is used for receiving all electric energy quality index data and compressing and optimizing all electric energy quality index data to be stored in the main memory database, the displaying module can display monitored electric energy quality index data, and the alarming module is used for giving out alarm.

Description

technical field [0001] The invention relates to a device for optimizing electric energy monitoring data and its optimization method, which relates to a device for optimizing electric energy monitoring data, which monitors the power quality of non-linear load user lines in real time, and displays, analyzes and optimizes data in real time, thereby effectively saving data The storage space improves the transmission efficiency. Background technique [0002] Electric energy involves rights and interests in all aspects of generation, supply, and use. High-quality electric energy is of great significance to ensure the safe and economical operation of power grids and electrical equipment for the majority of users, to ensure the normal production and product quality of all walks of life in the national economy, and to improve the quality of people's lives. [0003] With the continuous development of the national economy, more and more attention has been paid to electric energy, and h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
CPCY04S10/40
Inventor 戴绍勇张少云王洪寅李晓萌张勇张越
Owner STATE GRID CORP OF CHINA
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