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Electricity monitoring method for three-phase power source

A technology for power monitoring and three-phase power supply, applied in measuring devices, instruments, etc., can solve the problems of not considering other environmental factors, incomplete signal monitoring, and large impact on the results, and achieve improved accuracy, high withstand voltage strength, The effect of high frequency response

Inactive Publication Date: 2015-12-30
CHENGDU BILSUM SCI & TECH DEVCO
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  • Abstract
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Problems solved by technology

[0004] The existing monitoring methods do not monitor the signal comprehensively. When analyzing the signal, they only analyze the abnormal signal, without considering the influence of other environmental factors, and do not analyze the data within one minute before and after the abnormal signal. The results have a greater impact

Method used

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  • Electricity monitoring method for three-phase power source

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Embodiment Construction

[0029] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0030] Such as figure 1 As shown, a power monitoring method for a three-phase power supply, including a data collection step S1, a real-time analysis and processing step S2, a data upload step S3 and a monitoring center analysis step S4;

[0031] Described step S1 comprises the following sub-steps:

[0032] S11. The front-end monitoring equipment collects various signals in the three-phase circuit;

[0033] S12. The front-end monitoring equipment sends the collected signal to the intelligent power monitoring device.

[0034] Described step S2 comprises the following sub-steps:

[0035] S21. The intelligent power monitoring device will store the received signal and the time of signal reception in the storage area in real time and compare ...

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Abstract

The invention discloses an electricity monitoring method for a three-phase power source. The electricity monitoring method includes the steps of data collecting, real-time analysis and treatment, data uploading and monitoring center analysis. Signals are comprehensively collected and analyzed in combination with all factors, data a minute earlier or later than an abnormal signal are extracted for reference, and a monitoring result is accurate; in the process of monitoring voltage, a capacitive voltage divider is adopted, voltage-withstanding strength is high, response frequency is high, data collection is accurate under normal conditions, and accurate data can also be collected in voltage abnormality caused by thunder and lightning.

Description

technical field [0001] The invention relates to a power monitoring method of a three-phase power supply. Background technique [0002] Power equipment is widely used in various fields in today's society. In order to ensure the safety of power lines, it is very important to monitor power lines or return grid nodes. [0003] Three-phase power supply is widely used in industrial power supply, and the safety of industrial power consumption is very important, so a monitoring method with comprehensive functions and high efficiency is very much needed. [0004] The existing monitoring methods do not monitor the signal comprehensively. When analyzing the signal, they only analyze the abnormal signal, without considering the influence of other environmental factors, and do not analyze the data within one minute before and after the abnormal signal. The results have a greater impact. Contents of the invention [0005] The purpose of the present invention is to overcome the deficie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02
Inventor 黄华林郑敏张达
Owner CHENGDU BILSUM SCI & TECH DEVCO
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