Method and system for monitoring electricity larceny prevention of distribution lines

A technology for power distribution lines and monitoring systems, applied in the field of electricity theft prevention and alarm, can solve problems such as the inability of inspection methods to detect and process events in time, achieve comprehensive cellular data connection coverage, use security, and overcome time-consuming and labor-intensive effects.

Inactive Publication Date: 2019-04-02
XINING POWER SUPPLY CO OF STATE GRID QINGHAI ELECTRIC POWER CO +3
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AI Technical Summary

Problems solved by technology

The manual inspection method cannot detect and deal with incidents in time, giving criminals an opportunity
Electronic technology detection methods are all aimed at anti-stealing monitoring of metering equipment such as electric energy meters, metering transformers, and metering boxes. There is no anti-stealing monitoring equipment for power distribution lines in large and wide areas

Method used

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  • Method and system for monitoring electricity larceny prevention of distribution lines
  • Method and system for monitoring electricity larceny prevention of distribution lines
  • Method and system for monitoring electricity larceny prevention of distribution lines

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Embodiment Construction

[0052] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0053] refer to figure 1 , which is a distribution line anti-stealing electricity monitoring method disclosed by the present invention, comprising the following steps:

[0054] S1. Enter the total number of anti-theft monitoring devices in the same station area, and assign a value N, install the anti-theft monitoring device at the head end of each unbranched distribution line, and match the corresponding terminal anti-theft monitoring device, to monitor the anti-theft at the head end. The flag bit of the electrical monitoring device is assigned the value F.

[0055] S2. Obtain the active power W measured in real time by the anti-stealing monitoring devices at the first and last ends of the same unbranched distribution line star and W end ,details as follows:

[0056] S2-1. Obtain the relevant attributes of the i-th anti-stealing monitoring device, the initi...

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Abstract

The invention relates to a method and system for monitoring electricity larceny prevention of distribution lines. According to the method, electricity larceny prevention monitoring devices are arranged at the first and last ends of each branchless distribution line in a station area to collect active power at the first and last ends of the branchless distribution line, thereby monitoring whether an electricity stealing phenomenon exists in the distribution line by the manner of comparing reactive power at the first and last ends of the branchless distribution line. At the same time, the electricity larceny prevention monitoring device communicates with a monitoring center through a cellular narrow-band Internet of Things communication manner. The technology of the method and the system isscientific, simple and reliable to implement, and has the characteristics of timely monitoring and accurate positioning of monitoring points.

Description

technical field [0001] The present invention relates to the technical field of electricity theft prevention and alarming, in particular to a monitoring method and system for electricity theft prevention of distribution lines. Background technique [0002] Due to the large number, wide distribution, and complex power supply network of low-voltage distribution stations, it has brought certain difficulties to the supervision of daily electricity consumption, and is often illegally stolen by criminals, causing huge losses to power supply companies. It has always been a difficult problem for the power supply management department. [0003] Aiming at the problem of anti-stealing electricity, at present, the domestic power industry generally adopts two methods of manual inspection and electronic technology detection and alarm. Manual inspection methods cannot detect and deal with incidents in a timely manner, giving criminals an opportunity. Electronic technology detection method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R21/00
CPCG01R21/002
Inventor 蔡耀年李贤靓王明琪许兴祥刘加马海燕许海英郑海婷
Owner XINING POWER SUPPLY CO OF STATE GRID QINGHAI ELECTRIC POWER CO
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