CN108303576B - The method of fast automatic examination and positioning stealing and wrong wiring of electric energy meter - Google Patents

The method of fast automatic examination and positioning stealing and wrong wiring of electric energy meter Download PDF

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Publication number
CN108303576B
CN108303576B CN201810088495.6A CN201810088495A CN108303576B CN 108303576 B CN108303576 B CN 108303576B CN 201810088495 A CN201810088495 A CN 201810088495A CN 108303576 B CN108303576 B CN 108303576B
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China
Prior art keywords
electric energy
energy meter
electrical equipment
stealing
power
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Expired - Fee Related
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CN201810088495.6A
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Chinese (zh)
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CN108303576A (en
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闫福录
韩海安
韩霞
曹琼
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Measurement Centre Of Guo Wang Shanxi Province Utilities Electric Co
State Grid Corp of China SGCC
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Measurement Centre Of Guo Wang Shanxi Province Utilities Electric Co
State Grid Corp of China SGCC
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Priority to CN201810088495.6A priority Critical patent/CN108303576B/en
Publication of CN108303576A publication Critical patent/CN108303576A/en
Application granted granted Critical
Publication of CN108303576B publication Critical patent/CN108303576B/en
Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/24Arrangements for avoiding or indicating fraudulent use
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/66Testing of connections, e.g. of plugs or non-disconnectable joints
    • G01R31/67Testing the correctness of wire connections in electric apparatus or circuits

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention relates to by the discriminating method of stealing electric energy meter and error connection electric energy meter, specially by the quick discriminating method of stealing electric energy meter and error connection electric energy meter.It solves the problems, such as to be found in time by stealing electric energy meter and error connection electric energy meter.This method is realized by following steps: 1) acquiring or obtain the variable quantity of active power, reactive power, power factor, load impedance, harmonic component in the case of normally measuring, and in the functional module of electric energy meter of the storage to installation at the scene;2) variable quantity of the active power, reactive power, power factor of continuous real-time measurement metering, load impedance, harmonic component;Band timestamp storage is carried out when a certain variation numerical quantity is greater than threshold value;3) variable quantity with timestamp storage that step 2 obtains is compared with the corresponding change amount that step 1) is stored in advance, when the value after comparison is higher or lower than given threshold, assert that the electric energy meter of the installation at the scene is by stealing electric energy meter or error connection electric energy meter.

Description

The method of fast automatic examination and positioning stealing and wrong wiring of electric energy meter
Technical field
The present invention relates to power supply/electricity consumption monitoring field, specially a kind of stealing and false wiring of electric energy meter quickly screened Method has the function of screening and quickly positioning automatically with stealing and false wiring of electric energy meter is directed to.
Background technique
Electricity stealing generation often brings about great losses to power supply enterprise and country.Common stealing mode passes through change The electric current of electric energy meter is accessed, voltage changes structure and mode of connection of meter etc..With the development of technology, the means of stealing and Technical level is also constantly being promoted, and shows as high-technicalization, and concealment is stronger, and opposing electricity-stealing, it is increasing to investigate and prosecute work difficulty.Surreptitiously Electricity is often modified the wiring of electric energy meter outside or inside circuit, reaches few quantity calculation, underpays the electricity charge or do not pay the electricity charge Purpose.Under conventional situation, line loss is abnormal, and electricity is lost, and often embodies in the end of month clearing Shi Caihui.Traditional is thief-proof Electric hand section relatively falls behind, and after electricity stealing occurs, cannot find and investigate and prosecute in first time, often hold in electricity stealing It is just found after having continued a period of time, as technology develops, many electricity stealings are high in technological content, and behavior is very hidden, mostly Situation cannot find that effect of opposing electricity-stealing is not fairly obvious in time.Although punishment is very big, still there are fish that has escape the net, crime point There are idea of leaving things to chance, electricity stealings to happen occasionally for son.
Wrong wiring of electric energy meter will cause measuring error, more notes or few quantity calculation, carries out remedying electricity afterwards and often causes User is discontented, it is believed that the responsibility of problem goes out in one side of power supply company, and power supply company is easy to unnecessary trouble oneself is added Resentment is generated, generally will not actively be cooperated, and then generates unnecessary economic dispute, good service is caused to be complained, to confession The economic benefit and social image of electric enterprise cause immeasurable loss.In terms of practical experience, using traditional means, electric energy meter False wiring is often after electric energy meter charges actual motion for a period of time, and after forming certain wrong electricity, being likely to can quilt It was found that coming out.
Summary of the invention
The present invention cannot have found in time and quickly position that false wiring of electric energy meter cannot after solving existing electricity stealing generation The problem of quickly finding at the first time provides the method for a kind of fast automatic examination and positioning stealing and wrong wiring of electric energy meter, pole It is big to improve working efficiency.
The present invention is achieved by the following technical scheme:
A kind of method of fast automatic examination and positioning stealing or wrong wiring of electric energy meter, includes the following steps:
(1), the electricity consumption of the user of stealing is not carried out with target area intra domain user or other known normal meterings for acquisition main website The big data source that parameter is acquired as normal value, the different electrical equipment types used according to user, generates corresponding respectively This kind of electrical equipment type has the electrical equipment benchmark model of normal electricity consumption feature;
Acquisition main website using target area intra domain user or known other have been carried out the power consumption parameter of the user of stealing as it is non-just The big data source of constant value acquisition, the different electrical equipment types used according to user generate corresponding this kind of electricity consumption respectively and set The characteristic feature model of standby type stealing or false wiring;
Wherein, power consumption parameter be active power, reactive power, power factor, load impedance, one in harmonic component or Person is multiple.
(2), acquisition main website local user's electric energy table sort into target area issues having for different type electrical equipment The electrical equipment benchmark model of normal electricity consumption feature and the characteristic feature model of stealing or false wiring, and store at the scene In electric energy meter functional module.
(3), the use that local user's electric energy meter is measured using the continuous real-time measurement electric energy meter of acquisition module in target area One or more the variation in active power, reactive power, power factor, load impedance, harmonic component in electrical parameter Amount;Band timestamp storage is carried out when changing numerical quantity and being greater than threshold value.
(4), in local user's electric energy meter, variable quantity is continuously just common with having for different type electrical equipment in real time The electrical equipment benchmark model of electrical feature and the characteristic feature model of stealing or false wiring compare;
If it is just common that the power consumption parameter variable quantity that local user's electric energy meter uses is located at having for different type electrical equipment In the range of the electrical equipment benchmark model of electrical feature, and it is located at outside the characteristic feature model of false wiring, then judges the user Electricity consumption is normal;
If it is just common that the power consumption parameter variable quantity that local user's electric energy meter uses is located at having for different type electrical equipment Outside the range of the electrical equipment benchmark model of electrical feature, or in the characteristic feature model of false wiring, then judge the use The doubtful electricity consumption in family is improper;Then collected power consumption parameter variable quantity is uploaded main website by the electric energy meter, is further analyzed for main website, And the characteristic feature library data model of abundant stealing or false wiring.
The method of the present invention principle is as follows: under normal operation, all electrical equipments of each user will not be same Moment opens simultaneously and simultaneously closes off and (have a power failure, except shut-down) same.Each electrical equipment puts into operation, will necessarily be In the total electricity consumption trend of the user, total active power, reactive power, power factor, load impedance, harmonic component etc. are shown as There is the variation of step evolution in power consumption parameter monomer or its operation combination.The variable quantity is caused by the equipment of just live line work. When the variable quantity of active power, reactive power, load impedance, harmonic component etc. is substantially equal to single such equipment isolated operation Magnitude.
Consumed when the operation of each electrical equipment active power and reactive power numerical value and its relative ratio (power because Number) and load impedance and the harmonic component of generation all follow certain rule, numerical value is all in certain reasonable interval range Interior, close to some percentage of rated power, minimum operation power is greater than some threshold value (can be according to reality to threshold value for such as performance Border situation is set).The power factor of inductive load impedance and the power factor of capacitive load impedance have significant difference etc..Electricity When energy table correctly measures, the electric parameter measured defers to above-mentioned rule.Generally than more covert, electricity filching person will not be complete for electricity stealing Turn-off current circuit can also make electric energy meter ins and outs continue to change.When electricity stealing occurs, although electricity stealing is generally compared More covert, electricity filching person will not be fully disconnected current loop, also electric energy meter ins and outs can be made to continue to change.Before no longer following All or part of rule is stated, off-note, such as main parameters: proportional decline of active power, reactive power etc. is presented.Example Such as, the electric light of a 15W, when it is lighted, active power value added that the electric energy meter normally measured measurespFor 15W.If hair Raw electricity stealing, then the active power changing value that electric energy meter measurespWill often it be less than or much smaller than 15W.When stealing occurs, All electric appliances of the user can all show as the features such as active power is relatively low.In addition, will appear same feature when wrong line.
So features described above is exactly utilized in the method for the present invention, installed at the scene in the case of acquisition or the normal metering of acquisition Electric energy meter metering the power consumption parameters such as active power, reactive power, power factor, load impedance, harmonic component in it is a kind of or A variety of variable quantities, and store into the functional module for installing electric energy meter at the scene;The electric energy meter of installation at the scene can connect The active power of the continuous local a certain user of real-time measurement metering, reactive power, power factor, load impedance or harmonic component Variable quantity;Band timestamp storage is carried out when a certain variation numerical quantity is greater than threshold value;In the electric energy meter of installation at the scene, will To the variable quantity with timestamp storage be compared with the corresponding change amount (electrical equipment benchmark model) being stored in advance, work as comparison When value afterwards is higher or lower than model scope, tentatively doubtful it can assert that the electric energy meter of the installation at the scene is by stealing electric energy meter Or error connection electric energy meter;This is identified as issuing prompt or alarm signal to main website by stealing electric energy meter or error connection electric energy meter; The variable quantity parameter with timestamp storage of generation is uploaded into main website simultaneously, is further analyzed for main website, abundant stealing or mistake connect The characteristic feature library data model of line.In this way, power supply personnel can in time, quickly know the letter that specifically which electric energy meter issues Breath, manually checks doubtful user, further determines whether to cause with electricity stealing or route misconnection, makes in time Only.
Rationally, novel, unique, clear principle, judgement quick and precisely, can specifically navigate to a certain use for the method for the present invention design The a certain piece of electric energy meter at family, opposes electricity-stealing and finds false wiring ultrahigh in efficiency, has good application value.
Specific embodiment
Specific embodiments of the present invention are described in detail below.
A kind of method of fast automatic examination and positioning stealing or wrong wiring of electric energy meter, includes the following steps:
(1), the electricity consumption of the user of stealing is not carried out with target area intra domain user or other known normal meterings for acquisition main website The big data source that parameter is acquired as normal value, the different electrical equipment types used according to user, generates corresponding respectively This kind of electrical equipment type has the electrical equipment benchmark model of normal electricity consumption feature.For example, to the different electrical equipments of household (electric appliance) classifies, and 100W or less electric appliance is set to minimal-power consumers, 500W-1000W electric appliance is set to middle power electricity consumption Equipment is set to high power electrical equipment higher than 1000 W electric appliances, can produce the electrical equipment benchmark model of three types in this way (also can have other different types of classification), the variable quantity range of the benchmark model i.e. power consumption parameter, that is to say, that When a certain user connects a high power power load, active power variable quantity can be reasonable at one in power consumption parameter In range.
Acquisition main website using target area intra domain user or known other have been carried out the history power consumption parameter of the user of stealing as Outlier acquisition big data source, the different electrical equipment types used according to user, generate respectively this corresponding kind with The characteristic feature model of the stealing of electric equipment type or false wiring.
Wherein, power consumption parameter be active power, reactive power, power factor, load impedance, one in harmonic component or Person is multiple.Generally for domestic consumer, active power and/or reactive power in power consumption parameter are acquired;Corresponding factory etc. Commercial user, can acquire active power in power consumption parameter, reactive power, power factor, load impedance, in harmonic component One or more.
(2), acquisition main website local user's electric energy table sort into target area issues having for different type electrical equipment The electrical equipment benchmark model of normal electricity consumption feature and the characteristic feature model of stealing or false wiring, and store at the scene In electric energy meter functional module.
(3), in target area, local user's electric energy meter utilizes the use of the continuous real-time measurement electric energy meter metering of acquisition module One or more the variation in active power, reactive power, power factor, load impedance, harmonic component in electrical parameter Amount;Band timestamp storage is carried out when changing numerical quantity and being greater than threshold value;The setting electric power personnel of threshold value set according to the actual situation It is fixed, as long as being able to detect that the Significant Change amount of power consumption parameter, invalid fluctuation is filtered off, for example, can be set as electricity consumption The average value of equipment benchmark model range or 1/2 average value.
(4), in local user's electric energy meter, variable quantity is continuously just common with having for different type electrical equipment in real time The electrical equipment benchmark model of electrical feature and the characteristic feature model of stealing or false wiring compare.
If it is just common that the power consumption parameter variable quantity that local user's electric energy meter uses is located at having for different type electrical equipment In the range of the electrical equipment benchmark model of electrical feature, and it is located at outside the characteristic feature model of false wiring, then judges the user Electricity consumption is normal.
If it is just common that the power consumption parameter variable quantity that local user's electric energy meter uses is located at having for different type electrical equipment Outside the range of the electrical equipment benchmark model of electrical feature, or in the characteristic feature model of false wiring, then judge the use The doubtful electricity consumption in family is improper;Then collected power consumption parameter variable quantity is uploaded main website by the electric energy meter, is further analyzed for main website, And the characteristic feature library data model of abundant stealing or false wiring.
It should be pointed out that for the those skilled in the art of the art, without departing from the principle of the present invention, Several improvement and application can also be made, these are improved and application is also considered as protection scope of the present invention.

Claims (1)

1. a kind of method of fast automatic examination and positioning stealing or wrong wiring of electric energy meter, characterized by the following steps:
(1), the power consumption parameter of the user of stealing is not carried out with target area intra domain user or other known normal meterings for acquisition main website As the big data source of normal value acquisition, the different electrical equipment types used according to user generate this corresponding kind respectively Electrical equipment type has the electrical equipment benchmark model of normal electricity consumption feature;
The big data source that acquisition main website is acquired using other known power consumption parameters for having been carried out the user of stealing as outlier, The different electrical equipment types used according to user generate corresponding this kind of electrical equipment type stealing or false wiring respectively Characteristic feature model;
Wherein, power consumption parameter is active power, reactive power, power factor, load impedance, one in harmonic component or more It is a;
(2), it is normal to issue having for different type electrical equipment for acquisition main website local user's electric energy table sort into target area With the electrical equipment benchmark model of electrical feature and the characteristic feature model of stealing or false wiring, and it is stored in field electric energy In table function module;
(3), local user's electric energy meter is joined using the electricity consumption of the continuous real-time measurement electric energy meter metering of acquisition module in target area One or more the variable quantity in active power, reactive power, power factor, load impedance, harmonic component in number;When Change when numerical quantity is greater than threshold value and carries out band timestamp storage;
(4), in local user's electric energy meter, variable quantity is continuously special with normal electricity consumption with different type electrical equipment in real time The electrical equipment benchmark model of sign and the characteristic feature model of stealing or false wiring compare;
If the power consumption parameter variable quantity that local user's electric energy meter uses is located at the special with normal electricity consumption of different type electrical equipment In the range of the electrical equipment benchmark model of sign, and it is located at outside the characteristic feature model of false wiring, then judges the user power utilization Normally;
If the power consumption parameter variable quantity that local user's electric energy meter uses is located at the special with normal electricity consumption of different type electrical equipment Outside the range of the electrical equipment benchmark model of sign, or in the characteristic feature model of false wiring, then judge that the user doubts It is improper like electricity consumption;Then collected power consumption parameter variable quantity is uploaded main website by the electric energy meter.
CN201810088495.6A 2018-01-30 2018-01-30 The method of fast automatic examination and positioning stealing and wrong wiring of electric energy meter Expired - Fee Related CN108303576B (en)

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Publication number Priority date Publication date Assignee Title
CN113567719A (en) * 2021-06-21 2021-10-29 齐宜泽 Electricity stealing behavior judgment method and system based on current harmonic waves and waveforms

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CN109782111B (en) * 2019-03-06 2021-01-15 国网湖北省电力有限公司黄石供电公司 Three-phase three-wire system electric energy metering system wrong wiring analysis method
CN110082577B (en) * 2019-04-18 2022-06-21 中国电力科学研究院有限公司 Diagnosis method and system for judging electricity stealing behavior of electricity saver
CN112114175A (en) * 2020-08-10 2020-12-22 国网河北省电力有限公司沧州供电分公司 Block chain-based user electricity stealing behavior detection method
CN112884002B (en) * 2021-01-18 2022-07-01 四川大学 Intelligent electric meter version classification method

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