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Distributed gridding electric energy quality on-line monitoring and treatment system

A power quality and grid technology, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problems of inability to realize power quality data collection, comprehensive analysis, early warning and governance functions.

Pending Publication Date: 2020-11-27
河南赛贝电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a distributed grid power quality online monitoring and management system to solve the problem that the data collection, comprehensive analysis, early warning and governance functions of power quality in the whole area cannot be realized

Method used

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  • Distributed gridding electric energy quality on-line monitoring and treatment system
  • Distributed gridding electric energy quality on-line monitoring and treatment system

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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.

[0023] Embodiments of the invention:

[0024] Such as Figure 1-Figure 2 As shown, a distributed grid-based online monitoring and management system for power quality includes a power acquisition system, a communication unit, a back-end monitoring system, and a power acquisition system. The power acquisition system includes a primary distribution acquisition and control unit, multiple secondary The power distribution acquisition and control unit and multiple three-level power distribution acquisition and control units are used for online monitoring and processing of power parameters, and are arranged in a three-level grid.

[0025] The first-level power distribution acquisition and control unit is set at the general low-voltage distribution outlet to detect and suppress the po...

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Abstract

The invention relates to a distributed gridding electric energy quality online monitoring and treatment system, which comprises an electric power acquisition system, a communication unit and a rear-end monitoring system, wherein the electric power acquisition system comprises a primary power distribution acquisition and control unit, a plurality of secondary power distribution acquisition and control units and a plurality of tertiary power distribution acquisition and control units; the primary power distribution acquisition and control unit is arranged at a power distribution low-voltage mainoutlet, the secondary power distribution acquisition and control units are respectively arranged at branch boxes, and the tertiary power distribution acquisition and control unit is arranged at a power utilization terminal; the electric power acquisition system is used for monitoring and processing electric power parameters on line; the power acquisition system is connected with the communicationunit, and the communication unit is connected with the background monitoring system; the background monitoring system comprises a cloud platform and a monitoring terminal. According to the system disclosed in the invention, functions of online real-time monitoring and treatment of electric energy quality are realized, and a plurality of devices are used in a networking manner, thereby facilitating intelligent monitoring and management.

Description

technical field [0001] The invention relates to the field of power quality monitoring and management in a low-voltage distribution network, in particular to a distributed grid-based online power quality monitoring and management system. Background technique [0002] In the power supply system, more and more load devices have nonlinear and time-varying characteristics. They act as harmonic sources to inject harmonics into the power grid, which seriously affects the power quality of the power supply network. Such as electrolysis, electroplating, and intermediate frequency furnaces in the metallurgical industry; welding machines, cranes, and punches in the machining industry; elevators and pumping units in energy industries such as mines and oil fields; As well as widely used frequency conversion air conditioners, these are non-linear loads that generate harmonics. They will inject harmonic power into the power grid or generate harmonic voltage on the public grid, causing the g...

Claims

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Application Information

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IPC IPC(8): H02J13/00G01R31/08
CPCH02J13/00022H02J13/00002G01R31/086Y04S10/52Y04S40/126Y02E60/00Y02B90/20
Inventor 冯玉平张力阵职为梅
Owner 河南赛贝电子科技有限公司
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