Electricity-larceny-preventing method and system for power distribution line

A technology for power distribution lines and anti-stealing electricity, which is applied in the field of anti-stealing electricity monitoring, can solve the problem that the inspection method cannot detect and deal with events in time, and achieve simple and reliable implementation, high alarm timeliness, and simple implementation

CN107991527AInactive Publication Date: 2018-05-04XINING POWER SUPPLY CO OF STATE GRID QINGHAI ELECTRIC POWER CO +3
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2018-05-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an electricity-larceny-preventing method and system for a power distribution line. The system comprises a plurality of electricity-larceny-preventing devices and a monitoringcenter and is characterized in that the electricity-larceny-preventing devices are arranged on the power distribution line and used for collecting currents at the positions where the electricity-larceny-preventing devices are located and outputting real-time current values, and the power distribution line includes F branch-free power distribution lines; the monitoring center is used for receivingand processing the real-time current values and comprises an input device, a receiving module and a judging module; the input device is used for inputting the total number of the branch-free power distribution lines; the receiving module is used for receiving the real-time current value output by each electricity-larceny-preventing device; the judging module sequentially compares the real-time current values of every two adjacent electricity-larceny-preventing devices from the Kth branch-free power distribution line and gives out an alarm when the two real-time current values are not equal toeach other; when the real-time current values output by all the electricity-larceny-preventing devices on the Kth branch-free power distribution line are compared, the judging module starts comparingthe real-time current values of the adjacent electricity-larceny-preventing devices on the next branch-free power distribution line; when K< / =F, the circulation is started from the Kth branch-free power distribution line again. The electricity-larceny-preventing method and system is scientific and simple and reliable to implement.
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Description

technical field

[0001] The invention relates to the field of electricity-stealing prevention monitoring, in particular to a method and system for monitoring electricity-stealing prevention of power distribution lines. Background technique

[0002] Due to the wide distribution of power distribution lines and the complex power supply network, it has brought certain difficulties to the supervision of daily power consumption. It is often illegally stolen by criminals, which has brought huge losses to power supply companies. It has always been the power supply management department. An indefensible problem.

[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 methods are all aimed at anti-...

Examples

Embodiment 1

[0059] A kind of anti-stealing detection method for distribution lines, referring to figure 1 and figure 2 shown, including the following steps:

[0060] S1. Enter the total number of unbranched distribution lines F, and the number of anti-theft devices installed on each unbranched distribution line section D 1 、D 2 …D F assignment;

[0061] S2. Select the K segment without branch power distribution line, and start to judge whether there is electricity stealing behavior;

[0062]S3. Start to compare the real-time current value output by the adjacent anti-theft device on the K section line;

[0063] S4. Obtain the current I of the jth anti-theft device on the Kth line j And the current I of the adjacent j+1 anti-stealing devices j+1 ;

[0064] S5. Judging whether the currents of two adjacent anti-theft devices are equal, if they are equal, enter S7, if they are not equal, enter S6;

[0065] S6. Alarm, and enter S7;

[0066] S7. Assign j=j+1, and judge jk Enter step S...

Embodiment 2

[0070] An anti-stealing detection system for power distribution lines, the system is based on cellular narrowband Internet of Things communication technology, such as figure 2 As shown, a distribution line is set in a certain area, and the distribution line includes a number of distribution lines without branches. electrical device, taking one of the unbranched distribution circuits as an example, which includes K 1 ...K j , K j+1 ...an anti-stealing device, through the NB-loT communication method, the signal output by the anti-stealing device is output to the monitoring center, and the monitoring center judges whether to send a GSM alarm message, and notifies the electricity inspector for on-site disposal.

[0071] More specifically, see image 3 As shown, the anti-stealing device includes a power supply module, a current transformer, a signal conditioning unit, an A / D conversion unit, a processor, and a communication unit, wherein the current transformer adopts a double-...