CN105182030B - A kind of distributed photovoltaic power generation stealing mode recognition methods - Google Patents
A kind of distributed photovoltaic power generation stealing mode recognition methods Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 95
- 238000010248 power generation Methods 0.000 title claims abstract description 87
- 230000005611 electricity Effects 0.000 claims description 32
- 238000000342 Monte Carlo simulation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 4
- 238000011835 investigation Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
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Abstract
The invention discloses a kind of distributed photovoltaic power generation stealing mode recognition methods, 4 kinds of stealing mode commercial power rectification inversion methods, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic gauge table up-flow method first to distributed photovoltaic power generation carry out stealing scene analysis, then in conjunction with its stealing feature, stealing identifying schemes corresponding to providing, pass through the preliminary identification of distributed photovoltaic power generation stealing mode, reference is provided to inspector, improves the specific aim of investigation.
Description
Technical field
The present invention relates to a kind of distributed photovoltaic power generation stealing mode recognition methods, belongs to photovoltaic generation management and control technology neck
Domain.
Background technology
Important application mode of the distributed photovoltaic power generation as solar power generation, can make full use of solar energy to be widely present
The characteristics of, avoid concentrating the place limiting factor built, intensive current conditions of especially living in face of China central and east, its big model
It is extremely wide to enclose application prospect.Governments at all levels of China pay much attention to development distributed photovoltaic industry, distributed photovoltaic installed capacity
Rapid development.
Energy metering table is typically only installed from conventional electric power user and the mode of unidirectional charging is different, distributed photovoltaic owner
Energy metering table and photovoltaic electric energy meter can be provided free by State Grid Corporation of China, generated energy can be selected all to use by oneself, hair
Electricity is all surfed the Net or generated power for their own use remaining electric online pattern, and upper and lower net electricity is separately settled accounts according to relevant policy of government.
On August 26th, 2013, National Development and Reform Committee specify that distributed photovoltaic subsidy standard is 0.42 yuan/thousand in the whole country
Watt-hour, this standard improve 20% compared with the subsidy standard of 0.35 yuan/kilowatt hour in exposure draft.Photovoltaic power station
Subsidy policy one is landed, and the upsurge for building photovoltaic power station is started in various regions.Meanwhile various regions government is in order to attract more multiple enterprises
Built a power station to local investment, promote the sound development of industry, also hastened one's steps and put into effect a series of preferential policies.By distributed light
The profit temptation of volt subsidy, some illegal distributed photovoltaic owners be present and using certain technological means ammeter is measured more
Generated energy, so as to gain the possibility of subsidy by cheating.Distributed photovoltaic power generation system access power distribution network, is provided with independent in user side
Distributed photovoltaic electric energy meter, from Asset Attributes and technically, there is distributed photovoltaic power generation user's stealing.It is low
Pressing distributed photovoltaic project, operation is relatively easy, and security risk is low because voltage class is low, and the possibility of problems occurs in it should
Higher than high voltage customer.
In conventional electric power system is opposed electricity-stealing, although the gimmick of stealing is a lot, change ten thousand times without leaving the original aim or stand, be all to reduce meter
Scale measures electricity.And electric energy meter metering electricity number, depend mainly on electric current, voltage, three key elements of power factor and when
Between product, as long as therefore change any one key element or directly change metering electricity can make electric energy meter slow-speed, stop
Turn even to invert, so as to reach the purpose of stealing.Stealing gimmick nothing more than undercurrent, it is under-voltage, expand poor, phase shift, without the species of table method five
Type.
For several typical conventional electric power system stealing modes, various targetedly stealing identification technologies and scheme have compared
It is more ripe.But in recent years, to gain public subsidies by cheating constantly to expedite the emergence of in a manner of purpose distributed photovoltaic stealing, the country does not have still at present
The effective means identified for distributed photovoltaic stealing mode.
Because a variety of stealing scenes be present in distributed photovoltaic power generation, under different stealing schemes, distributed light
The generated energy, owner's power consumption, electricity volume for lying prostrate stealing user show different features.By traditional method of opposing electricity-stealing,
User is difficult to whether just in stealing.Also, distributed photovoltaic power generation amount is had a great influence by meteorological condition, during the stealing of user
Between have and be difficult to predictability, therefore, it is necessary to quickly stealing recognition methods, is identified to stealing suspicion user be present, and right
Existing stealing mode is judged in advance, to provide certain foundation to existing when stealing suspicion user checks, is carried
The accuracy of height inspection.
The content of the invention
It is an object of the invention to provide a kind of distributed photovoltaic power generation stealing mode recognition methods, for several typical
Distributed photovoltaic stealing scene, stealing identifying schemes corresponding to design, it can quickly identify the distributed light with stealing suspicion
User is lied prostrate, and preliminary judgement is provided using which kind of stealing mode to stealing suspicion photovoltaic plant, the specific aim of inspection is improved and has
Effect property.
To reach above-mentioned purpose, the technical solution adopted by the present invention is as follows：
A kind of distributed photovoltaic power generation stealing mode recognition methods, comprises the following steps：
1) distributed photovoltaic power generation system stealing scene analysis, the distributed photovoltaic power generation system stealing scene are included
Commercial power rectification inversion method stealing scene, civil power reconfiguration method stealing scene, photovoltaic gauge table boosting method stealing scene and photovoltaic metering
Table flows up method stealing scene；
2) according to the stealing scene analysis result of the step 1), with reference to stealing feature, corresponding every kind of stealing side is provided
The stealing recognition methods of formula.
In foregoing step 1), inversion method stealing in commercial power rectification refers to directly utilize fairing by commercial power rectification Cheng Zhi
Stream, the DC side of photovoltaic generating system is parallel to, alternating current online is changed into by photovoltaic combining inverter.
In foregoing step 1), civil power reconfiguration method stealing refers to user by adjusting the mode of connection of photovoltaic generating system,
By the inlet wire that the inlet wire reconfiguration of photovoltaic gauge table is civil power, now the continuous data of photovoltaic gauge table is the power consumption of home appliance
Amount.
In foregoing step 1), the boosting method stealing of photovoltaic gauge table refers to construct a void using additional step-up transformer
High voltage is linked into photovoltaic gauge table, makes photovoltaic gauge table faster rotational speed, counts photovoltaic power generation quantity more.
In foregoing step 1), the up-flow method stealing of photovoltaic gauge table refers to, using additional pressure regulator, make to add one in primary side
The voltage of individual very little, secondary can induce very big electric current, additional one equivalent on the current loop of photovoltaic gauge table
Empty electric current, make photovoltaic gauge table faster rotational speed, count photovoltaic power generation quantity more.
In foregoing step 2), inversion method stealing recognition methods in commercial power rectification is：
The historical data base of distributed photovoltaic power generation system 1-1) is utilized, distributed photovoltaic owner's power information is divided
Analysis, photovoltaic owner's power consumption confidential interval is obtained by Monte Carlo method；
Photovoltaic power generation quantity 1-2) is obtained using the data acquisition of photovoltaic gauge table, is obtained and surfed the Net by the data acquisition of energy metering table
Electricity, the two difference are distributed photovoltaic owner-occupied electricity；
Distributed photovoltaic owner-occupied electricity 1-3) is worked as into distribution compared with photovoltaic owner's power consumption confidential interval
When photovoltaic owner-occupied electricity is more than photovoltaic owner's power consumption confidential interval upper limit, number of days is counted；Otherwise it is stored in historical data base；
The monthly accumulative number of days more than photovoltaic owner's power consumption confidential interval upper limit 1-4) is counted, when the number of days is more than 7,
Think that the photovoltaic power station has commercial power rectification inversion method stealing suspicion；Otherwise it is stored in historical data base.
In foregoing step 2), civil power reconfiguration method stealing recognition methods is：
The historical data base of distributed photovoltaic power generation system 2-1) is utilized, distributed photovoltaic owner's power information is divided
Analysis, photovoltaic owner's power consumption confidential interval is obtained by Monte Carlo method；
2-2) photovoltaic power generation quantity that the data acquisition of photovoltaic gauge table obtains and photovoltaic owner's power consumption confidential interval are carried out
Compare, if photovoltaic power generation quantity falls in photovoltaic owner's power consumption confidential interval, count number of days, be otherwise stored in historical data base；
2-3) the monthly accumulative photovoltaic power generation quantity of statistics falls the number of days in photovoltaic owner's power consumption confidential interval, if the number of days
More than 7, i.e. photovoltaic power generation quantity and photovoltaic owner's power consumption information coincide, it is believed that the photovoltaic power station has civil power reconfiguration method
Stealing suspicion；Otherwise it is stored in historical data base.
In foregoing step 2), the boosting method/up-flow method stealing recognition methods of photovoltaic gauge table is：
3-1) using photovoltaic power station essential information and real time meteorological data collection information, distributed photovoltaic electricity is carried out
Theoretical generating capacity of standing calculates, and calculates the confidential interval of photovoltaic plant theoretical power generation 95%；
3-2) the photovoltaic power generation quantity actual value for obtaining photovoltaic gauge table and the step 3-1) calculate the photovoltaic electric obtained
The confidential interval upper limit of theoretical power generation of standing 95% is compared, if photovoltaic power generation quantity actual value is more than the theoretical hair of photovoltaic plant
The confidential interval upper limit of electricity 95%, count number of days；Otherwise it is stored in historical data base；
3-3) monthly accumulative photovoltaic power generation quantity actual value is counted to be more than in the confidential interval of photovoltaic plant theoretical power generation 95%
The number of days of limit, when the number of days statistical value is more than 7, judges that the photovoltaic power station has stealing suspicion, be then transferred to step
3-4), otherwise it is stored in historical data base；
Whether complete 3-4) detect the photovoltaic power station photovoltaic gauge table lead sealing, if imperfect, photovoltaic be present
Gauge table boosting method/up-flow method stealing suspicion；Otherwise, it is determined that there are other stealing suspicion in the photovoltaic power station.
The present invention provides four kinds of common distributed photovoltaic stealing scenes, and it is analyzed, for the difference of each stealing scene
Feature, corresponding stealing identifying schemes are provided, by the preliminary identification of distributed photovoltaic power generation stealing mode, carried to inspector
For reference, the specific aim of investigation is improved.
Brief description of the drawings
Fig. 1 is the normal access schematic diagram of 220V distributed photovoltaic power generations metering；
Fig. 2 is commercial power rectification inversion method stealing scene line map；
Fig. 3 is civil power reconfiguration method stealing scene line map；
Fig. 4 is photovoltaic gauge table boosting method stealing scene line map；
Fig. 5 is that photovoltaic gauge table flows up method stealing scene line map；
Fig. 6 is commercial power rectification inversion method stealing recognition methods flow chart；
Fig. 7 is civil power reconfiguration method stealing recognition methods flow chart；
Fig. 8 is photovoltaic gauge table boosting method/up-flow method stealing recognition methods flow chart.
Embodiment
The present invention is described in further detail in conjunction with the drawings and specific embodiments.
First to distributed photovoltaic power generation system stealing scene analysis.
Current common distributed photovoltaic power generation stealing mode has commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table
Boosting method, photovoltaic gauge table up-flow method.4 kinds of stealing modes of the above can make distributed photovoltaic charging electric meter count generated energy more,
Distributed photovoltaic power generation owner gains public subsidies by cheating with this.
The normal access principle of 220V distributed photovoltaic power generations metering is as shown in Figure 1.Pacify at the grid entry point of photovoltaic generating system
Photovoltaic generation gauge table is filled, the gauge table is mainly responsible for the generated energy of metering photovoltaic generating system, measured for photovoltaic power generation quantity
And subsidy.The property right separation of photovoltaic generation project and public electric wire net is installation energy metering table at electric energy tariff point, herein may be used
Installation one has the electric energy meter of bidirectional measuring function, while measures upper and lower net electricity.
Four kinds of stealing scene analysis are as follows：
1) commercial power rectification inversion method stealing scene analysis
As shown in Fig. 2 inversion method in commercial power rectification directly utilizes fairing that into direct current, commercial power rectification is parallel into photovoltaic hair
The DC side of electric system, alternating current online is changed into by photovoltaic combining inverter.Using this scheme, user even can not
Photovoltaic battery panel is installed, directly pretends to be photovoltaic cell component to generate electricity with fairing.Such a stealing mode, both can be by photovoltaic electric
Pond component is overlapped through photovoltaic combining inverter power output and commercial power rectification output power inverter, is included in gauge table；Also may be used
Gauge table is included in the rectified inverter output of direct civil power.This kind of stealing mode utilizes civil power, can increase distributed photovoltaic
Owner's power consumption, and the increased power consumption of photovoltaic owner has certain correlation with photovoltaic power generation quantity.
2) civil power reconfiguration method stealing scene analysis
As shown in figure 3, civil power reconfiguration method be user by adjusting its back panel wiring mode, the inlet wire of photovoltaic gauge table is changed
The inlet wire of civil power is connected in, now the continuous data of photovoltaic gauge table is the power consumption of home appliance.Under this kind of stealing mode, when negative
When lotus consumption power is more than photovoltaic generation power, load consumption electric energy is more, and the electric energy that distributed photovoltaic power user steals is just
It is more；When load consumption power is less than photovoltaic generation power, photovoltaic generation power can flow to civil power side, now stealing failure,
Economic loss can be brought to distributed photovoltaic power user on the contrary.Such a stealing mode, the metering of photovoltaic generation gauge table is negative
Carrying capacity, with distributed photovoltaic owner's power consumption information height correlation.
3) photovoltaic gauge table boosting method stealing scene analysis
As shown in figure 4, the voltage that a virtual height is constructed using additional step-up transformer is linked into photovoltaic generation gauge table,
Make gauge table faster rotational speed, it is count photovoltaic power generation quantity to gain national electricity price subsidy by cheating more.The power-steeling quantity of boosting method and voltage difference correlation,
Pressure difference is bigger, and power-steeling quantity is more, and directly proportional to photovoltaic actual power generation.Which must move photovoltaic generation metering when implementing
Table lead sealing, it is easy to check.
4) photovoltaic gauge table up-flow method stealing scene analysis
As shown in figure 5, the pressure regulator that photovoltaic gauge table up-flow method utilizes only needs equivalent to the transformer of a secondary short circuit
In the voltage of primary side plus a very little, secondary can induce larger current, be returned equivalent to the electric current in photovoltaic generation gauge table
An empty electric current is added on road, makes gauge table faster rotational speed, it is count photovoltaic power generation quantity to gain national electricity price subsidy by cheating more.Which exists
Photovoltaic generation gauge table lead sealing must be moved during implementation, is easy to check.
For above-mentioned four kinds typical distributed photovoltaic stealing scenes, with reference to its stealing feature, provide corresponding stealing and know
Other scheme is as follows.
1) commercial power rectification inversion method stealing identifying schemes
For distributed photovoltaic commercial power rectification inversion method stealing mode, distributed photovoltaic owner utilizes the rectified inversion of civil power
Device can substantially increase civil power disguise as distributed photovoltaic power generation, owner's power consumption.The present invention is by analyzing owner's power consumption
Information is screened to this kind of stealing mode.Two pieces of gauge tables are installed, one of is light in distributed photovoltaic power generation system
Generating gauge table is lied prostrate, measures the generated energy of distributed photovoltaic power generation system；Other one piece is energy metering table, measures distributed light
The electricity volume of photovoltaic generating system, energy metering table are bidirectional measuring table, and power taking can flow to electricity by distributed photovoltaic power generation system
Net is positive direction.For the distributed photovoltaic owner using remaining electricity online grid-connect mode of generating power for their own use, its own demand is equal to light
The difference of photovoltaic generating system generated energy and electricity volume, when photovoltaic generating system generated energy is more than local load power consumption, online electricity
Measure on the occasion of；When photovoltaic generating system generated energy is not enough to be supplied to local load, electric energy flows to distributed photovoltaic by power network
Electricity generation system, now electricity volume is negative value.
The present invention utilizes historical data base, and distributed photovoltaic owner's power information is analyzed, passes through Monte Carlo
(Monte Carlo) method obtains owner's power consumption fiducial interval range.The present invention provides the confidence of photovoltaic owner power consumption 95%
Section, i.e., when confidential interval is [a, b], it can be understood as we have 95% confidence say the average value of sample between a to b it
Between, and the probability to make a mistake is 5%.When obtaining estimation Distribution value using monte carlo method, first to all estimate samples
Originally it is ranked up, lower limit of confidence interval：A is lower% percentiles after sequence；The confidential interval upper limit：B is after sequence the
Upper% percentiles.When asking for 90% confidential interval, lower=5, upper=95；When asking for 95% confidential interval,
Lower=2.5, upper=97.5；When asking for 99% confidential interval, lower=0.5, upper=99.5.
Photovoltaic power generation quantity is obtained as shown in fig. 6, being gathered using photovoltaic generation meter data, is adopted by energy metering table data
Collection obtains electricity volume, and the two difference is distributed photovoltaic owner-occupied electricity.By photovoltaic power generation quantity, the difference and industry of electricity volume
Primary electricity confidential interval is compared, when the difference of photovoltaic power generation quantity and electricity volume is more than photovoltaic owner's power consumption confidential interval
During the upper limit, number of days is counted；Otherwise it is stored in historical data base.Count monthly to add up to exceed photovoltaic owner's power consumption confidential interval upper limit
Number of days, when characteristics are more than 7, it is believed that the photovoltaic power station has commercial power rectification inversion method stealing suspicion；Otherwise deposit
Enter historical data base.
2) civil power reconfiguration method stealing identifying schemes
For distributed photovoltaic civil power reconfiguration method stealing mode, distributed photovoltaic owner pretends to be photovoltaic using load power consumption
Generated energy, its generated energy information are identical with owner's power consumption information.As shown in fig. 7, in the identification method, also with
Historical data base, distributed photovoltaic owner's power information is analyzed, obtaining owner's power consumption by monte carlo method puts
Believe interval range.The photovoltaic power generation quantity that the collection of photovoltaic generation meter data obtains is compared with owner's power consumption confidential interval
Compared with, if photovoltaic power generation quantity falls in owner's power consumption confidential interval, count number of days, be otherwise stored in historical data base.Count monthly
Accumulative photovoltaic power generation quantity falls the number of days in owner's power consumption confidential interval, if the number of days is more than 7, i.e. photovoltaic power generation quantity and owner
Power consumption information is relatively coincide, it is believed that the photovoltaic power station has civil power reconfiguration method stealing suspicion；Otherwise it is stored in history number
According to storehouse.
3) photovoltaic gauge table boosting method/up-flow method stealing identifying schemes
For photovoltaic gauge table boosting method/up-flow method stealing mode of distributed photovoltaic, because it is in stealing, can destroy
Photovoltaic gauge table lead sealing, is easy to check.But if periodicity investigation, workload are carried out to all distributed photovoltaic power generation systems
Greatly, and inspection target is indefinite.The present invention provides corresponding stealing recognition methods for this kind of stealing mode, first determines whether to be distributed
Formula photovoltaic generating system whether there is stealing suspicion, then be checked to the photovoltaic power station of stealing suspicion progress emphasis be present
Look into, improve operating efficiency.
As shown in figure 8, the present invention is carried out using photovoltaic power station essential information and real time meteorological data collection information
Photovoltaic power station theory generating capacity calculates, and calculates the confidential interval of photovoltaic plant theoretical power generation 95%.Photovoltaic is sent out
In confidential interval of the photovoltaic power generation quantity actual value that electric gauge table obtains with calculating the photovoltaic plant theoretical power generation 95% obtained
Limit is compared, if photovoltaic power generation quantity actual value is more than the photovoltaic plant theoretical power generation confidential interval upper limit, counts number of days, no
Then it is stored in historical data base.When monthly statistics number of days is more than 7, judge that the photovoltaic power station has stealing suspicion；Then
Whether complete detect the photovoltaic power station photovoltaic generation gauge table lead sealing, if imperfect, photovoltaic gauge table liter be present
Platen press/up-flow method stealing suspicion；Otherwise, it is determined that there are other stealing suspicion in the photovoltaic power station.
Claims (5)
1. a kind of distributed photovoltaic power generation stealing mode recognition methods, it is characterised in that comprise the following steps：
1) distributed photovoltaic power generation system stealing scene is analyzed, the distributed photovoltaic power generation system stealing scene includes
Commercial power rectification inversion method stealing scene, civil power reconfiguration method stealing scene, photovoltaic gauge table boosting method stealing scene and photovoltaic metering
Table flows up method stealing scene；
2) according to the stealing scene analysis result of the step 1), with reference to stealing feature, corresponding every kind of stealing scene is provided
Stealing recognition methods；
The stealing recognition methods of the commercial power rectification inversion method stealing scene is：
The historical data base of distributed photovoltaic power generation system 1-1) is utilized, distributed photovoltaic owner's power information is analyzed,
Photovoltaic owner's power consumption confidential interval is obtained by Monte Carlo method；
Photovoltaic power generation quantity 1-2) is obtained using the data acquisition of photovoltaic gauge table, online electricity is obtained by the data acquisition of energy metering table
Amount, the two difference is distributed photovoltaic owner-occupied electricity；
Distributed photovoltaic owner-occupied electricity 1-3) is worked as into distributed photovoltaic compared with photovoltaic owner's power consumption confidential interval
When owner-occupied electricity is more than photovoltaic owner's power consumption confidential interval upper limit, number of days is counted；Otherwise it is stored in historical data base；
The monthly accumulative number of days more than photovoltaic owner's power consumption confidential interval upper limit 1-4) is counted, when the number of days is more than 7, it is believed that
The distributed photovoltaic power generation system has commercial power rectification inversion method stealing suspicion；Otherwise it is stored in historical data base；
The stealing recognition methods of the civil power reconfiguration method stealing scene is：
The historical data base of distributed photovoltaic power generation system 2-1) is utilized, distributed photovoltaic owner's power information is analyzed,
Photovoltaic owner's power consumption confidential interval is obtained by Monte Carlo method；
2-2) by the photovoltaic power generation quantity of photovoltaic gauge table data acquisition acquisition compared with photovoltaic owner's power consumption confidential interval,
If photovoltaic power generation quantity falls in photovoltaic owner's power consumption confidential interval, number of days is counted, is otherwise stored in historical data base；
2-3) the monthly accumulative photovoltaic power generation quantity of statistics falls the number of days in photovoltaic owner's power consumption confidential interval, if the number of days is more than
7, i.e. photovoltaic power generation quantity and photovoltaic owner's power consumption information coincide, it is believed that the distributed photovoltaic power generation system has civil power reconfiguration method
Stealing suspicion；Otherwise it is stored in historical data base；
The stealing recognition methods of photovoltaic gauge table boosting method/up-flow method stealing scene is：
3-1) using distributed photovoltaic power generation system essential information and real time meteorological data collection information, distributed photovoltaic hair is carried out
Electric system theory generating capacity calculates, and calculates the confidential interval of photovoltaic plant theoretical power generation 95%；
3-2) the photovoltaic power generation quantity actual value for obtaining photovoltaic gauge table and the step 3-1) calculate the photovoltaic plant reason obtained
It is compared by the confidential interval upper limit of generated energy 95%, if photovoltaic power generation quantity actual value is more than photovoltaic plant theoretical power generation
The 95% confidential interval upper limit, count number of days；Otherwise it is stored in historical data base；
3-3) count monthly accumulative photovoltaic power generation quantity actual value and be more than the confidential interval upper limit of photovoltaic plant theoretical power generation 95%
Number of days, when the number of days statistical value is more than 7, judges that the distributed photovoltaic power generation system has stealing suspicion, be then transferred to step
3-4), otherwise it is stored in historical data base；
Whether complete 3-4) detect the distributed photovoltaic power generation system photovoltaic gauge table lead sealing, if imperfect, photovoltaic be present
Gauge table boosting method/up-flow method stealing suspicion；Otherwise, it is determined that there are other stealing suspicion in the distributed photovoltaic power generation system.
A kind of 2. distributed photovoltaic power generation stealing mode recognition methods according to claim 1, it is characterised in that the step
It is rapid 1) in, inversion method stealing in commercial power rectification refers to directly utilize fairing that into direct current, commercial power rectification is parallel into photovoltaic generation
The DC side of system, alternating current online is changed into by photovoltaic combining inverter.
A kind of 3. distributed photovoltaic power generation stealing mode recognition methods according to claim 1, it is characterised in that the step
It is rapid 1) in, civil power reconfiguration method stealing refers to user by adjusting the mode of connection of photovoltaic generating system, by entering for photovoltaic gauge table
Line reconfiguration is the inlet wire of civil power, and now the continuous data of photovoltaic gauge table is the power consumption of home appliance.
A kind of 4. distributed photovoltaic power generation stealing mode recognition methods according to claim 1, it is characterised in that the step
It is rapid 1) in, the voltage that the boosting method stealing of photovoltaic gauge table refers to construct a virtual height using additional step-up transformer is linked into light
Gauge table is lied prostrate, makes photovoltaic gauge table faster rotational speed, counts photovoltaic power generation quantity more.
A kind of 5. distributed photovoltaic power generation stealing mode recognition methods according to claim 1, it is characterised in that the step
It is rapid 1) in, the up-flow method stealing of photovoltaic gauge table refers to, using additional pressure regulator, make the voltage for adding a very little in primary side, secondary
Very big electric current can be induced, equivalent to an empty electric current is added on the current loop of photovoltaic gauge table, measures photovoltaic
Table faster rotational speed, counts photovoltaic power generation quantity more.
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| CN104345192A (en) * | 2014-11-25 | 2015-02-11 | 国家电网公司 | Photovoltaic power generation subsidy cheating prevention device based on neural network algorithm |
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