CN104535881A - Method for monitoring standardability of electricity using behavior of power consumer - Google Patents
Method for monitoring standardability of electricity using behavior of power consumer Download PDFInfo
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- CN104535881A CN104535881A CN201410749196.4A CN201410749196A CN104535881A CN 104535881 A CN104535881 A CN 104535881A CN 201410749196 A CN201410749196 A CN 201410749196A CN 104535881 A CN104535881 A CN 104535881A
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Abstract
The invention discloses a method for monitoring standardability of electricity using behavior of power consumer. The method comprises the following steps that: firstly, wirelesses current transformer CTs are arranged in the direction of a power supplying circuit, and the power supplying circuit are divided into multiple power supplying areas and power supplying sections; secondly, two CTs are selected in the direction of the power supplying circuit, a primary current value Ia returned by the two wireless current transformer CTs is compared with all high-voltage consumers current value Ib between the two wireless current transformer CTs in the direction of the power supplying circuit, and the judgment is conducted; thirdly, according to the second step, the power supplying areas and power supplying sections are restricted, comparing primary current value Ia returned by two wireless current transformer on a power supply circuit between the two CTs with the high-voltage user current value Ib between the two wireless current transformer CTis along the power supplying circuit, and the judgment is in accordance with the second step; fourthly, repeating the third step until confirming the consumers of stealing electricity or conducting abnormal electricity using behavior. The method for monitoring standardability of electricity using behavior of the power consumer has the advantages of being rapid and effective, and high in accuracy and having no destructive effect.
Description
Technical field
The present invention relates to a kind of method detecting abnormal electricity consumption behavior, be especially applicable to the method for monitoring power consumer electricity consumption behavioural norm on a large scale.
Background technology
In electric power network, all employing high voltage supplies of general more than capacity 50kW, need to install dedicated transformer to user, and set up special supply line.Nonetheless, in high voltage customer, still there is the electricity filching behavior of some.And the electricity filching behavior of high voltage customer is varied, stealing position is different, generally more difficult investigation.
Because the electricity capacity of high voltage customer is comparatively large, after there is electricity filching behavior, also larger to the infringement of power supply enterprise, meanwhile, the electricity filching behavior of high voltage customer generally all can destroy the integrality of power supply facilities and circuit, thus also very large on the impact of power network safety operation.
Summary of the invention
Technical matters to be solved by this invention there is provided a kind of convenient effectively, accuracy is high, without method that is destructive, that be easy to the power consumer of the monitoring on a large scale electricity consumption behavioural norm used on existing.
Technical scheme of the present invention is as follows:
Monitor a method for power consumer electricity consumption behavioural norm on a large scale, it comprises the steps:
(1) by installing wireless current transformer CT along supply line, being divided into multiple power supply section or power-feed section, realizing monitoring the segmentation and slicing of whole power supply area:
In high voltage supply circuit in surveyed area, except locating the high-risk user of stealing to install except wireless current transformer CT, branch location also along supply line installs wireless current transformer CT successively additional, by wireless current transformer CT, whole division of the power supply area is become multiple power supply section or power-feed section, carry out collection to the supply current of high voltage supply circuit to calculate, obtain the primary current value Ia that each wireless current transformer CT returns, and send back to monitoring system by radio communication; Meanwhile, the electric energy meter utilizing high voltage customer to install obtains the electricity consumption current value Ib of high voltage customer;
(2) choose two wireless current transformer CT successively along supply line, compare primary current value Ia that two wireless current transformer CT return and between the two along all high voltage customer electricity consumption current value Ib in supply line, judge, basis for estimation is as follows:
When both Ia and Ib are consistent substantially, then can judge user power utilization behavioural norm in power supply section between described two wireless current transformer CT or power-feed section, without stealing or improper electricity consumption behavior;
When Ia is greater than Ib, then can judge have certain user to there occurs stealing or improper electricity consumption behavior, between investigation range shorter to a two wireless current transformer CT of stealing or improper electricity consumption behavior in power supply section between described two wireless current transformer CT or power-feed section;
(3) the investigation scope reducing stealing or improper electricity consumption behavior is continued:
In the power supply section that described two the wireless current transformer CT limited in step (2) divide or power-feed section, continue to choose two wireless current transformer CT on described two wireless current transformer CT middle power supplying circuits
iprimary current value Ia and two the wireless current transformer CT returned
ibetween along all high voltage customer electricity consumption current value Ib in supply line, compare, consistent in the same step of basis for estimation (2), basis for estimation is as follows:
When both Ia and Ib are consistent substantially, then can judge at described two wireless current transformer CT
ibetween supply line on user power utilization behavioural norm, without stealing or improper electricity consumption behavior;
When Ia is greater than Ib, then can judge at described two wireless current transformer CT
ibetween supply line on have certain user to there occurs stealing or improper electricity consumption behavior, investigation range shorter is to described two wireless current transformer CT
ibetween;
(4) step (3) is repeated, until determine the user that stealing or improper electricity consumption behavior occur.
The invention has the beneficial effects as follows:
The present invention is by adopting the method, accomplish to carry out segmentation and slicing Real-Time Monitoring to the power supply user power utilization behavior in power supply area, the emphasis of the high-risk user of stealing is monitored simultaneously, achieve multi-level, omnibearing electricity consumption behavior monitoring function, avoid power utility check personnel look for a needle in a haystack like the user in whole power supply area is generally investigated, only need to carry out emphasis inspection to the guarded region of prompting stealing, improve the work efficiency of power utility check, ensure that the effect of power utility check.Meanwhile, by the monitoring to the high-risk user of stealing, serve certain fright effect, avoid the generation of electricity filching behavior, ensure that power supply safety.
Accompanying drawing explanation
Fig. 1 is the use schematic diagram of the present invention in supply line.
Wherein, 1 main-transformer, 2 10kV supply lines, 3 first branches, 4 second branches, 5 ~ 20 high voltage customer, 21 user, 22 ~ 26 that directly powers installs the position of wireless current transformers.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly, be described in detail below in conjunction with Fig. 1 and specific embodiment.
Embodiment 1:
According to Fig. 1, wherein, 1 is main-transformer, and main-transformer 1 left side is high voltage supply circuit, is generally 110kV or 220kV, becomes 10kV supply line 2 through main-transformer 1, for high voltage customer is powered.
10kV supply line 2 is divided into again the first branch 3 and the second branch 4, and the user 21 that directly powers;
The first branch 3 that in Fig. 1,10kV powers comprises these 8 high voltage customer that label is 5,6,7,8,9,10,11,12, the second branch 4 that 10kV powers comprises these 8 high voltage supply users that label is 13,14,15,16,17,18,19,20, wherein, the high-risk user of stealing is high voltage customer 5 and high voltage customer 6.
Adopt power consumer electricity consumption behavioural norm monitoring method on a large scale in electrical network provided by the invention, wireless current transformer CT is installed in 22,23,24,25,26 positions, place in FIG, monitors the primary current value of these five positions.Achieve the Real-Time Monitoring to user power utilization behavior of powering in whole power supply area.Again emphasis monitoring has been carried out to the high-risk user 5 of stealing and user 6 simultaneously.
The detected value mod sum label being the wireless current transformer CT that 23 places install by contrast label is 5, 6, 7, 8, 9, 10, 11, the electric energy meter metering current sum of 12 these 8 high voltage customer, judge whether there is electricity filching behavior in power supply branch 3, simultaneously by directly judging that the detected value mod sum label of the wireless current transformer CT that label 25 place installs is the electrical energy meter electricity flow valuve of the user of 5, and the detected value mod sum label of the wireless current transformer CT of label 26 place installation is the current value of the electric energy meter of the user of 6, realize the real-time detection of the electricity consumption behavior to high-risk stealing user 5 and user 6.
When electricity filching behavior occurs high voltage customer 5, the current value that the wireless current transformer CT that label 25 place installs measures will be greater than user 5 electrical energy meter electricity flow valuve, and system then can directly point out user 5 to there occurs electricity filching behavior.
When there is electricity filching behavior in user 7, the current value that the wireless current transformer CT that label 23 place installs measures can be greater than the electric energy meter metering current sum of 8 high voltage customer 5,6,7,8,9,10,11,12, system can be pointed out in power supply first branch 3 and there occurs electricity filching behavior, inform that the power supply user of electric company power utility check personnel to this region carries out emphasis inspection, in this region, repeat above-mentioned action, reduce investigation scope further.
When there is electricity filching behavior in certain user in power supply second branch 4, the current value that the wireless current transformer CT that label 24 place installs measures can be greater than 8 high voltage customer 13,14,15,16,17,18,19,20 electric energy meter metering current sum, system can be pointed out in power supply second branch 4 and there occurs electricity filching behavior, inform that the power supply user of electric company power utility check personnel to this region carries out emphasis inspection, above-mentioned action is repeated in this region, reduce investigation scope further, until determine the user that stealing or improper electricity consumption behavior occur.
The principle of work of the present embodiment is as follows:
By installing wireless current transformer CT additional in high voltage supply circuit, collection being carried out to the supply current of high voltage supply circuit and calculates, and sending back to monitoring system by radio communication.
The electric energy meter simultaneously utilizing high voltage customer to install obtains the electricity consumption current value of user.
The user power utilization current value of the actual metered relatively returned in the primary current value that returns of wireless current transformer CT and user's electric energy meter, if the two is consistent substantially, then can judge this zone user electricity consumption behavioural norm, without stealing or improper electricity consumption behavior.
If certain user there occurs electricity filching behavior in monitored area, then the electric energy meter that user installs will inevitably measure electricity less, and the current value that namely user's electric energy meter measures must be less than actual electricity consumption current value.And the primary current that wireless current transformer CT monitors is the actual primary current of supply line, can actual response user with power consumption, namely measured current value is current value accurately.Relatively, then there will be the phenomenon that current value that wireless current transformer CT calculates is greater than the current value in user's electric energy meter, can judge that user there occurs electricity filching behavior with this.
But owing to having many high voltage customer in whole supply network, consider the problem of installation cost, Real-Time Monitoring cannot be carried out to this monitoring system of each user installation.
The feature of this method with except while monitoring the high-risk user of stealing, can also by installing wireless current transformer CT to the branch location of supply line, be multiple power-feed section or power supply section by a large division of the power supply area, realize monitoring the segmentation and slicing of whole power supply area.Gather the current value in the electric energy meter of all power supply users in whole region, the primary current value monitored with installed wireless current transformer CT compares, when the two occur comparatively big difference time, can judge that in this region, certain or multiple user there occurs electricity filching behavior, and then power utility check is carried out to the power supply user in this region, check electricity filching behavior.
The course of work of the present invention is as follows:
The electricity consumption behavioural norm of the power consumer in a supply line region is monitored, there is stealing or improper electricity consumption behavior in the power consumer once certain scope found in this region or certain power supply branch road, namely the change by line loss judges, and power supply department can be notified immediately, power utility check is carried out to this region or this user, investigate and prosecute electricity filching behavior or improper electricity consumption behavior, the harm that minimizing stealing or improper electricity consumption behavior bring to supply network, ensures power supply safety.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.
Claims (1)
1. monitor a method for power consumer electricity consumption behavioural norm on a large scale, it is characterized in that step is as follows:
(1) by installing wireless current transformer CT along supply line, being divided into multiple power supply section or power-feed section, realizing monitoring the segmentation and slicing of whole power supply area:
In high voltage supply circuit in surveyed area, except locating the high-risk user of stealing to install except wireless current transformer CT, branch location also along supply line installs wireless current transformer CT successively additional, by wireless current transformer CT, whole division of the power supply area is become multiple power supply section or power-feed section, carry out collection to the supply current of high voltage supply circuit to calculate, obtain the primary current value Ia that each wireless current transformer CT returns, and send back to monitoring system by radio communication; Meanwhile, the electric energy meter utilizing high voltage customer to install obtains the electricity consumption current value Ib of high voltage customer;
(2) choose two wireless current transformer CT successively along supply line, compare primary current value Ia that two wireless current transformer CT return and between the two along all high voltage customer electricity consumption current value Ib in supply line, judge, basis for estimation is as follows:
When both Ia and Ib are consistent substantially, then can judge user power utilization behavioural norm in power supply section between described two wireless current transformer CT or power-feed section, without stealing or improper electricity consumption behavior;
When Ia is greater than Ib, then can judge have certain user to there occurs stealing or improper electricity consumption behavior, between investigation range shorter to a two wireless current transformer CT of stealing or improper electricity consumption behavior in power supply section between described two wireless current transformer CT or power-feed section;
(3) the investigation scope reducing stealing or improper electricity consumption behavior is continued:
In the power supply section that described two the wireless current transformer CT limited in step (2) divide or power-feed section, continue to choose two wireless current transformer CT on described two wireless current transformer CT middle power supplying circuits
iprimary current value Ia and two the wireless current transformer CT returned
ibetween along all high voltage customer electricity consumption current value Ib in supply line, compare, consistent in the same step of basis for estimation (2), basis for estimation is as follows:
When both Ia and Ib are consistent substantially, then can judge at described two wireless current transformer CT
ibetween supply line on user power utilization behavioural norm, without stealing or improper electricity consumption behavior;
When Ia is greater than Ib, then can judge at described two wireless current transformer CT
ibetween supply line on have certain user to there occurs stealing or improper electricity consumption behavior, investigation range shorter is to described two wireless current transformer CT
ibetween;
(4) step (3) is repeated, until determine the user that stealing or improper electricity consumption behavior occur.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410749196.4A CN104535881A (en) | 2014-12-10 | 2014-12-10 | Method for monitoring standardability of electricity using behavior of power consumer |
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| CN201410749196.4A CN104535881A (en) | 2014-12-10 | 2014-12-10 | Method for monitoring standardability of electricity using behavior of power consumer |
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| CN104535881A true CN104535881A (en) | 2015-04-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107991527A (en) * | 2017-11-21 | 2018-05-04 | 北京普锐电子有限公司 | A kind of anti-electricity-theft monitoring method of distribution line and system |
| CN109932585A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院沈阳自动化研究所 | Adaptive Binary Search Algorithm for Malicious User Location in Smart Grid Neighborhood Area Network |
| CN114371438A (en) * | 2021-12-30 | 2022-04-19 | 国网河北省电力有限公司营销服务中心 | Measuring equipment misalignment judgment method based on Internet of things |
| CN117147959A (en) * | 2023-08-23 | 2023-12-01 | 广东电网有限责任公司佛山供电局 | Electricity larceny prevention analysis method and device |
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| JP2004340767A (en) * | 2003-05-16 | 2004-12-02 | Hitachi Ltd | Power trading method and power trading system to prevent power theft |
| CN202676777U (en) * | 2012-07-19 | 2013-01-16 | 鹿波 | Anti-electricity-theft remote monitoring and management system |
| CN202710676U (en) * | 2012-04-26 | 2013-01-30 | 北京新源绿网节能科技有限公司 | Monitoring system for high loss line branch |
| CN203350314U (en) * | 2013-05-19 | 2013-12-18 | 国家电网公司 | High-tension line metering system having electricity stealing prevention function |
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2014
- 2014-12-10 CN CN201410749196.4A patent/CN104535881A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004340767A (en) * | 2003-05-16 | 2004-12-02 | Hitachi Ltd | Power trading method and power trading system to prevent power theft |
| CN202710676U (en) * | 2012-04-26 | 2013-01-30 | 北京新源绿网节能科技有限公司 | Monitoring system for high loss line branch |
| CN202676777U (en) * | 2012-07-19 | 2013-01-16 | 鹿波 | Anti-electricity-theft remote monitoring and management system |
| CN203350314U (en) * | 2013-05-19 | 2013-12-18 | 国家电网公司 | High-tension line metering system having electricity stealing prevention function |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991527A (en) * | 2017-11-21 | 2018-05-04 | 北京普锐电子有限公司 | A kind of anti-electricity-theft monitoring method of distribution line and system |
| CN109932585A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院沈阳自动化研究所 | Adaptive Binary Search Algorithm for Malicious User Location in Smart Grid Neighborhood Area Network |
| CN109932585B (en) * | 2017-12-18 | 2021-06-29 | 中国科学院沈阳自动化研究所 | Adaptive Binary Search Algorithm for Malicious User Location in Smart Grid Neighborhood Area Network |
| CN114371438A (en) * | 2021-12-30 | 2022-04-19 | 国网河北省电力有限公司营销服务中心 | Measuring equipment misalignment judgment method based on Internet of things |
| CN114371438B (en) * | 2021-12-30 | 2022-09-06 | 国网河北省电力有限公司营销服务中心 | A method for judging the inaccuracy of metering equipment based on the Internet of Things |
| CN117147959A (en) * | 2023-08-23 | 2023-12-01 | 广东电网有限责任公司佛山供电局 | Electricity larceny prevention analysis method and device |
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Application publication date: 20150422 |
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