CN104933273B - A kind of method and device of thief-proof electroanalysis - Google Patents
A kind of method and device of thief-proof electroanalysis Download PDFInfo
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- CN104933273B CN104933273B CN201410098677.3A CN201410098677A CN104933273B CN 104933273 B CN104933273 B CN 104933273B CN 201410098677 A CN201410098677 A CN 201410098677A CN 104933273 B CN104933273 B CN 104933273B
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Abstract
The invention discloses a kind of method and apparatus of thief-proof electroanalysis, wherein, this method includes：The power consumption information of the targeted customer in power information acquisition system is obtained, targeted customer is the user that current transformer loop anomalous event occurs；Electricity coefficient of variation for representing electricity fluctuating range size is calculated according to power consumption information；When electricity coefficient of variation meets default stealing condition, determine that targeted customer has stealing suspicion.The electricity coefficient of variation that this method combines reflection power consumption change severe degree carries out thief-proof electroanalysis judgement, can effectively utilize the user power utilization amount gathered in power information acquisition system, and computational methods are simple, and treating capacity is small.
Description
Technical field
The present invention relates to anti-theft electricity technology field, in particular it relates to a kind of method and device of thief-proof electroanalysis.
Background technology
Stealing is a kind of behavior of very severe, and its property has been directed to illegal.With the development of science and technology, although for
Development of the electric system in terms of power supply management so that power supply management achieves technical great progress, but also not from root
Solves the problems, such as stealing on source.Because with the reinforcement of electric power system power supply technique, the stealing mode of electricity filching person is also sent out therewith
Change is given birth to.Under new management mode, electricity filching person can find technical gaps and omissions, targetedly according to news
Change the technology and mode of stealing.So although we have put into substantial amounts of fund and skill for exposing and preventing electricity stealing
Art, but still could not fundamentally be strangled.In numerous electricity filching means, current transformer is juggled things to reach steathily
Electricity purpose be one kind therein, such as by short circuit current transformer once or secondary connection, the two of turn-off current transformer
Secondary wiring, change current transformer ratio.
State Grid Corporation of China widelys popularize and realizes all standing of power information acquisition system, the intelligent electric energy meter of installation
Possess certain anti-stealing electricity function with electricity management terminal, can be realized to some use by intelligent electric energy meter and electricity management terminal
The alarm of electrical anomaly and record, such as decompression, disconnected phase, table cover is opened and meter programmed events.But due to various event datas
Rate of false alarm that is huge, and having certain is measured, valid data utilization rate is low, and power information acquisition system does not have anti-electricity-theft in itself
The analyzing and processing function of relevant information, important stealing relevant abnormalities information is caused to be submerged in the pending data of magnanimity.
In existing power information acquisition system, when the power load for specially becoming user changes, power information collection
System can report current transformer (CT) loop anomalous event, just have among these because CT loops caused by stealing are abnormal, but use
Power utilization information collection system can only be judged as CT loops anomalous event, this can not be made and determined whether.
The content of the invention
The data user rate when present invention is to overcome existing thief-proof electroanalysis in power information acquisition system is low to be lacked
Fall into, according to an aspect of the present invention, propose a kind of method of thief-proof electroanalysis.
A kind of method of thief-proof electroanalysis according to embodiments of the present invention, including：Obtain in power information acquisition system
The power consumption information of targeted customer, targeted customer are the user that current transformer loop anomalous event occurs；Believed according to power consumption
Breath calculates the electricity coefficient of variation for being used for representing electricity fluctuating range size；When electricity coefficient of variation meets default stealing condition
When, determine that targeted customer has stealing suspicion.
In the above-mentioned technical solutions, the electricity calculated according to power consumption information for representing electricity fluctuating range size fluctuates
Coefficient, including：
Power consumption Q three times is obtained according to power consumption property information cycleN、QN-1And QN-2；
Calculate electricity coefficient of variation：
In the above-mentioned technical solutions, before the power consumption information for obtaining the targeted customer in power information acquisition system, also
Including：
Terminal power-off event record according to being obtained in power information acquisition system judges whether targeted customer has a power failure
Event；It is determined that the electricity consumption of the targeted customer in execution acquisition power information acquisition system after power-off event does not occur for targeted customer
The step of measuring information.
In the above-mentioned technical solutions, determine that targeted customer has stealing suspicion, in addition to：
When electricity coefficient of variation meets default stealing condition, judge the electricity consumption degrees of comparison of targeted customer whether less than pre-
If safe class；
When the electricity consumption degrees of comparison of targeted customer is less than default safe class, determine that targeted customer has stealing suspicion.
In the above-mentioned technical solutions, presetting stealing condition includes：Electricity coefficient of variation is less than predetermined threshold value.
A kind of thief-proof electricity analytical method provided in an embodiment of the present invention, from current transformer loop anomalous event, knot
The electricity coefficient of variation for closing reflection power consumption change severe degree carries out thief-proof electroanalysis judgement.This method can effectively utilize use
The user power utilization amount gathered in power utilization information collection system, and computational methods are simple, and treating capacity is small；In combination with electricity consumption prestige etc.
Level can more accurately determine that targeted customer whether there is stealing suspicion.
The data user rate when present invention is to overcome existing thief-proof electroanalysis in power information acquisition system is low to be lacked
Fall into, according to an aspect of the present invention, propose a kind of device of thief-proof electroanalysis.
A kind of device of the thief-proof electroanalysis provided according to embodiments of the present invention, it is characterised in that including：
Acquisition module, for obtaining the power consumption information of the targeted customer in power information acquisition system, targeted customer is
The user of current transformer loop anomalous event occurs；
Computing module, the electricity for being calculated according to power consumption information for representing electricity fluctuating range size fluctuate system
Number；
Processing module, for when electricity coefficient of variation meets default stealing condition, determining that targeted customer has stealing suspicion
Doubt.
In the above-mentioned technical solutions, computing module includes：
Acquiring unit, for obtaining power consumption Q three times according to power consumption property information cycleN、QN-1And QN-2；
Computing unit, for calculating electricity coefficient of variation：
In the above-mentioned technical solutions, the device also includes：
Judge module, for judging targeted customer according to the terminal power-off event record obtained in power information acquisition system
Whether power-off event is occurred；After judge module judges that power-off event does not occur for targeted customer, acquisition module obtains power information
The power consumption information of targeted customer in acquisition system.
In the above-mentioned technical solutions, processing module is additionally operable to：
When electricity coefficient of variation meets default stealing condition, judge the electricity consumption degrees of comparison of targeted customer whether less than pre-
If safe class；
When the electricity consumption degrees of comparison of targeted customer is less than default safe class, determine that targeted customer has stealing suspicion.
A kind of anti-electricity-theft analytical equipment provided in an embodiment of the present invention, from current transformer loop anomalous event, knot
The electricity coefficient of variation for closing reflection power consumption change severe degree carries out thief-proof electroanalysis judgement.This method can effectively utilize use
The user power utilization amount gathered in power utilization information collection system, and computational methods are simple, and treating capacity is small；In combination with electricity consumption prestige etc.
Level can more accurately determine that targeted customer whether there is stealing suspicion.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the method flow diagram of thief-proof electroanalysis in the embodiment of the present invention；
Fig. 2 is the method flow diagram of thief-proof electroanalysis in embodiment one；
Fig. 3 is the primary structure figure of anti-electricity-theft analytical equipment in the embodiment of the present invention；
Fig. 4 is the detailed structure view of anti-electricity-theft analytical equipment in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
According to embodiments of the present invention, there is provided a kind of method of thief-proof electroanalysis, shown in Figure 1, this method is specifically wrapped
It is as follows to include step：
Step 101：The power consumption information of the targeted customer in power information acquisition system is obtained, the targeted customer is generation
The user of current transformer loop anomalous event.
Wherein, power information acquisition system includes intelligent electric energy meter and electricity management terminal etc., can obtain power grid user
Power consumption information and electricity consumption logout (including abnormal event alarming) etc..Power information acquisition system is prior art,
It is not detailed herein.
Power information acquisition system can gather current transformer (Current Transformer, CT) loop exception thing
Part, the user that current transformer anomalous event occurs is set to targeted customer in the embodiment of the present invention.
Preferably, step A1-A2 is also included before step 101：
Step A1, judge whether targeted customer sends out according to the terminal power-off event record obtained in power information acquisition system
Raw power-off event；
Step A2, it is determined that targeted customer does not occur to perform step 101 after power-off event.
Due to being also possible to cause current transformer loop anomalous event when normal power-off event occurs, it is therefore desirable to go
Except the user that normal power-off event occurs, unnecessary treating capacity can be so reduced, so as to improve treatment effeciency.
Step 102：Electricity coefficient of variation for representing electricity fluctuating range size is calculated according to power consumption information.
Specifically, the process for calculating electricity coefficient of variation can be as follows：
Power consumption Q three times is obtained according to power consumption property information cycleN、QN-1And QN-2；
Calculate electricity coefficient of variation：
Wherein, power information acquisition system is once gathered every a set time t to the power consumption of power consumer,
In general, the t of power information acquisition system is 15 minutes, i.e., gathers 4 points, 96 points of collection in one day, Ran Houyong per hour
The power consumption data storage that power utilization information collection system gathers these.QN、QN-1And QN-2Can be power information collection system respectively
Unite continuous acquisition targeted customer three power consumption data, can also be respectively targeted customer's the clock round power consumption it
With depending on actual conditions.
It should be noted that electricity coefficient of variation KNFor representing the size of electricity fluctuating range, above-mentioned calculating electricity ripple
The method of dynamic coefficient is only one kind therein.
Step 103：When electricity coefficient of variation meets preparatory condition, determine that the targeted customer has stealing suspicion.
Specifically, the default stealing condition is：Electricity coefficient of variation is less than predetermined threshold value.Still to be referred in step 102
Computational methods exemplified by, if predetermined threshold value is K, then：
WhenWhen, determine that targeted customer has stealing suspicion.
If electricity coefficient of variation is more than predetermined threshold value, be probably generation electricity fluctuation it is excessive, not as occur stealing
The basis for estimation of behavior.When electricity coefficient of variation is less than predetermined threshold value, it is believed that electricity exception occurs, preliminary judgement has stealing
Suspicion.
Further, the electricity consumption degrees of comparison that may also be combined with user carries out comprehensive descision.When electricity consumption prestige of targeted customer etc.
When level is less than default safe class, determine that targeted customer has stealing suspicion.
Power information acquisition system is counted based on historical data, and the electricity consumption degrees of comparison to user makes assessment.Use telecommunications
Praise grade original state all, whenever it is determined that a stealing (for example, can monthly count stealing occurrence frequency), degrees of comparison
One-level drops.By long-term investigation, the lower user of degrees of comparison, stealing possibility is recognized as bigger.For example, user power utilization
Degrees of comparison can divide as follows：
At the beginning, the electricity consumption degrees of comparison of certain user can be arranged to the A levels of highest level, when judging that the user has one
During secondary stealing event, user's degrees of comparison of the user is reduced to B levels；When judgement there are five stealing events, C levels are reduced to；Judge
When there are 10 stealing events, D levels are reduced to；When there are more than 10 times stealing events, E levels are reduced to.User power utilization degrees of comparison can conduct
The reference that stealing judges.Ratings above division is only used as preferred embodiment.
A kind of thief-proof electricity analytical method provided in an embodiment of the present invention, from current transformer loop anomalous event, knot
The electricity coefficient of variation for closing reflection power consumption change severe degree carries out thief-proof electroanalysis judgement.This method can effectively utilize use
The user power utilization amount gathered in power utilization information collection system, and computational methods are simple, and treating capacity is small；In combination with electricity consumption prestige etc.
Level can more accurately determine that targeted customer whether there is stealing suspicion.
The flow of the thief-proof electricity analytical method is discussed in detail below by embodiment one.
Embodiment one
Shown in Figure 2, in embodiment one, the idiographic flow of thief-proof electricity analytical method is as follows：
Step 201：Exception record in power information acquisition system determines that current transformer loop exception thing occurs
The targeted customer of part.
Step 202：Whether terminal power-off event record according to being obtained in power information acquisition system judges targeted customer
Generation power-off event, when power-off event occurs, continue step 208, otherwise, continue step 203.
Step 203：Obtain the continuous power consumption data three times of targeted customer.
In embodiment one, power consumption data are respectively Q three times for thisN、QN-1And QN-2, wherein, QNRepresent targeted customer today one
The power consumption of all day, QN-1Represent daylong power consumption targeted customer's yesterday, QN-2Represent targeted customer's day before yesterday daylong use
Electricity.
Step 204：Calculate electricity coefficient of variation.
Wherein, electricity coefficient of variation is：
Step 205：Judge whether electricity coefficient of variation is less than predetermined threshold value, when electricity coefficient of variation is less than predetermined threshold value
When, continue step 206, otherwise continue step 208.
That is, it is judged that whether KN＜ K, in embodiment one, K=3.
Step 206：Whether the electricity consumption degrees of comparison of targeted customer is judged less than default safe class, when electricity consumption degrees of comparison
During less than default safe class, continue step 207, otherwise continue step 208.
Wherein, the electricity consumption degrees of comparison of user is set to five grades, electricity consumption degrees of comparison be respectively from high to low A, B,
C, D, E level.In embodiment one, it is A levels to preset safe class, i.e., when electricity consumption degrees of comparison is A levels, it is believed that the targeted customer is not
Stealing suspicion be present；When electricity consumption degrees of comparison is B, C, D or E level less than A levels, it is believed that there is a strong possibility deposits by the targeted customer
In stealing suspicion.
Step 207：Determine that targeted customer has stealing suspicion, and record multiplexing electric abnormality event.
Step 208：Determine that stealing suspicion is not present in targeted customer.
The method flow of thief-proof electroanalysis is described in detail above, this method can also be realized by corresponding device, under
The function and structure of the device is discussed in detail in face.
According to embodiments of the present invention, there is provided a kind of anti-electricity-theft analytical equipment.It is shown in Figure 3, the thief-proof electroanalysis dress
Put including：Acquisition module 301, computing module 302 and processing module 303.
Acquisition module 301, for obtaining the power consumption information of the targeted customer in power information acquisition system, targeted customer
For the user of current transformer loop anomalous event occurs；
Computing module 302, the electricity for being calculated according to power consumption information for representing electricity fluctuating range size fluctuate
Coefficient；
Processing module 303, for when electricity coefficient of variation meets default stealing condition, determining that targeted customer has stealing
Suspicion.
Preferably, shown in Figure 4, computing module 302 includes：
Acquiring unit 3021, for obtaining power consumption Q three times according to power consumption property information cycleN、QN-1And QN-2；
Computing unit 3022, for calculating electricity coefficient of variation：
Preferably, shown in Figure 4, the device also includes：
Judge module 304, for judging target according to the terminal power-off event record obtained in power information acquisition system
Whether user occurs power-off event；After judge module judges that power-off event does not occur for targeted customer, acquisition module obtains electricity consumption
The power consumption information of targeted customer in information acquisition system.
Preferably, processing module 303 is additionally operable to：
When electricity coefficient of variation meets default stealing condition, judge the electricity consumption degrees of comparison of targeted customer whether less than pre-
If safe class；
When the electricity consumption degrees of comparison of targeted customer is less than default safe class, determine that targeted customer has stealing suspicion.
A kind of anti-electricity-theft analytical equipment provided in an embodiment of the present invention, from current transformer loop anomalous event, knot
The electricity coefficient of variation for closing reflection power consumption change severe degree carries out thief-proof electroanalysis judgement.This method can effectively utilize use
The user power utilization amount gathered in power utilization information collection system, and computational methods are simple, and treating capacity is small；In combination with electricity consumption prestige etc.
Level can more accurately determine that targeted customer whether there is stealing suspicion.
The present invention can have a variety of various forms of embodiments, above by taking Fig. 1-Fig. 4 as an example with reference to accompanying drawing to this hair
Bright technical scheme explanation for example, this is not meant to that the instantiation that the present invention is applied can only be confined to specific flow
Or in example structure, one of ordinary skill in the art is it is to be appreciated that specific embodiment presented above is a variety of
Some examples in its preferred usage, any embodiment for embodying the claims in the present invention all should be wanted in technical solution of the present invention
Within the scope of asking protection.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (5)
- A kind of 1. method of thief-proof electroanalysis, it is characterised in that including：The power consumption information of the targeted customer in power information acquisition system is obtained, the targeted customer is generation current transformer The user of loop anomalous event；Electricity coefficient of variation for representing electricity fluctuating range size is calculated according to the power consumption information；When the electricity coefficient of variation meets default stealing condition, determine that the targeted customer has stealing suspicion；The electricity coefficient of variation calculated according to the power consumption information for representing electricity fluctuating range size, including：Power consumption Q three times is obtained according to property power consumption information cycleN、QN-1And QN-2；Calculate the electricity coefficient of variation：Wherein, it is described to determine that the targeted customer has stealing suspicion, including：When the electricity coefficient of variation meets default stealing condition, judge whether the electricity consumption degrees of comparison of the targeted customer is low In default safe class；When the electricity consumption degrees of comparison of the targeted customer is less than default safe class, determine that the targeted customer has stealing suspicion Doubt.
- 2. according to the method for claim 1, it is characterised in that the targeted customer obtained in power information acquisition system Power consumption information before, in addition to：Terminal power-off event record according to being obtained in power information acquisition system judges whether the targeted customer has a power failure Event；It is determined that the target that the targeted customer does not occur to perform after power-off event in the acquisition power information acquisition system is used The step of power consumption information at family.
- 3. method according to claim 1 or 2, it is characterised in that the default stealing condition includes：The electricity fluctuation Coefficient is less than predetermined threshold value.
- A kind of 4. device of thief-proof electroanalysis, it is characterised in that including：Acquisition module, for obtaining the power consumption information of the targeted customer in power information acquisition system, the targeted customer is The user of current transformer loop anomalous event occurs；Computing module, the electricity for being calculated according to the power consumption information for representing electricity fluctuating range size fluctuate system Number；Processing module, for when the electricity coefficient of variation meets default stealing condition, determining that the targeted customer is present and stealing Electric suspicion；The computing module includes：Acquiring unit, for obtaining power consumption Q three times according to property power consumption information cycleN、QN-1And QN-2；Computing unit, for calculating the electricity coefficient of variation：The processing module is additionally operable to：When the electricity coefficient of variation meets default stealing condition, judge whether the electricity consumption degrees of comparison of the targeted customer is low In default safe class；When the electricity consumption degrees of comparison of the targeted customer is less than default safe class, determine that the targeted customer has stealing suspicion Doubt.
- 5. device according to claim 4, it is characterised in that also include：Judge module, for judging the targeted customer according to the terminal power-off event record obtained in power information acquisition system Whether power-off event is occurred；After judge module judges that power-off event does not occur for the targeted customer, the acquisition module obtains The power consumption information of targeted customer in power information acquisition system.
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| CN106022951A (en) * | 2016-05-09 | 2016-10-12 | 北京智芯微电子科技有限公司 | Electricity consumption abnormity analysis method and apparatus |
| CN109447496B (en) * | 2018-11-08 | 2020-06-26 | 国网河北省电力有限公司电力科学研究院 | Electricity stealing behavior judgment method and terminal equipment |
| CN110298996B (en) * | 2019-05-06 | 2021-02-26 | 国网浙江省电力有限公司嘉兴供电公司 | Electricity consumption information acquisition system and method |
| CN110568238B (en) * | 2019-10-15 | 2021-07-02 | 长沙理工大学 | Street lamp special transformer electricity stealing detection analysis method based on electricity consumption behavior characteristics |
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