CN107039970B - Public affairs become taiwan area line loss per unit abnormal cause detection method and system - Google Patents
Public affairs become taiwan area line loss per unit abnormal cause detection method and system Download PDFInfo
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- CN107039970B CN107039970B CN201710146532.XA CN201710146532A CN107039970B CN 107039970 B CN107039970 B CN 107039970B CN 201710146532 A CN201710146532 A CN 201710146532A CN 107039970 B CN107039970 B CN 107039970B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
Abstract
The present invention relates to a kind of public change taiwan area line loss per unit abnormal cause detection methods and system, this method to include：The abnormal public basic source data for becoming taiwan area of line loss per unit is obtained from distribution production system, metering automation system and marketing system；Any one or more in taiwan area progress analysis below is become to the public of line loss per unit exception respectively according to basic source data：Measure monitor anomaly analysis, rate of load condensate analysis, Power Factor Analysis, user CT saturation analysis, three-phase imbalance analysis and the stealing analysis of causes；The abnormal public abnormal cause for becoming taiwan area of line loss per unit is shown on display interface according to analysis result.The present invention is collected by the data source to marketing management system, metering automation system and production system, line loss per unit abnormal cause is analyzed and positioned with reference to various analysis, this method is objective, true, line loss administrative staff can efficiently be assisted to carry out more accurately abnormal judgement, so as to improve the lean of Controlling line loss level.
Description
Technical field
The present invention relates to grid line loss analysis field, more particularly to a kind of public change taiwan area line loss per unit abnormal cause detection side
Method and system.
Background technology
Line loss is the general designation of power network comprehensive electric energy loss, is that enterprises of managing electric wire netting are occurred in electric energy transmission process
Whole electric energy losses.Line losses indices are to weigh planning and designing, production run and the management level of power grid enterprises and integrate real
The core index of power is talked with " International Language " with advanced level.The height of line loss directly affects the economic benefit of enterprise,
The important breakthrough mouth for improving effectiveness of operation, strengthening core competitiveness is become.At present the daily Controlling line loss of power supply enterprise only according to
By scene inspection, personal experience and technical ability discriminatory analysis, not only inefficiency, but also be susceptible to analysis mistake so that taking not
When reducing loss measure a series of problems, such as.
Invention content
The present invention provides a kind of public change taiwan area line loss per unit abnormal cause detection method and system, can become taiwan area line loss per unit to public affairs
Abnormal cause is analyzed and is positioned, and line loss administrative staff is efficiently assisted to carry out more accurately abnormal judgement, so as to improve line
The lean for damaging management is horizontal.
The embodiment of the present invention uses following technical scheme：
A kind of public change taiwan area line loss per unit abnormal cause detection method, includes the following steps：
The abnormal public change taiwan area of line loss per unit is obtained from distribution production system, metering automation system and marketing system
Basic source data；
According to any one in basic the source data respectively public change taiwan area progress analysis below abnormal to line loss per unit
It is or multinomial：Measure monitor anomaly analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance analysis and the stealing analysis of causes；
The abnormal public abnormal cause for becoming taiwan area of the line loss per unit is shown on display interface according to analysis result.
A kind of line loss per unit abnormal cause detecting system, including：
Acquisition module, it is different for obtaining line loss per unit from distribution production system, metering automation system and marketing system
The normal public basic source data for becoming taiwan area；
Analysis module, for being carried out in analysis below to the public taiwan area that becomes of line loss per unit exception respectively according to basic source data
It is any one or more：Measure monitor anomaly analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance analysis, line footpath point
Analysis and the stealing analysis of causes；
Display module, for showing that the abnormal public exception for becoming taiwan area of line loss per unit is former on display interface according to analysis result
Cause.
The present invention is by collecting the data source of marketing management system, metering automation system and production system, for going out
The abnormal public change taiwan area of existing line loss per unit, is analyzed and is positioned to its line loss per unit abnormal cause with reference to various analysis, this
Method is objective, true, line loss administrative staff can efficiently be assisted to carry out more accurately abnormal judgement, so as to improve Controlling line loss
Lean is horizontal.
Description of the drawings
Fig. 1 is that the public of the present invention becomes the flow signal of taiwan area line loss per unit abnormal cause detection method in one embodiment
Figure；
Fig. 2 is the schematic diagram of display interface in the embodiment of the present invention；
Fig. 3 is that the public flow for becoming taiwan area progress measure monitor anomaly analysis abnormal to line loss per unit in the embodiment of the present invention is shown
It is intended to；
Fig. 4 is the public flow diagram for becoming taiwan area and carrying out rate of load condensate analysis abnormal to line loss per unit in the embodiment of the present invention；
Fig. 5 is that the public flow for becoming taiwan area progress Power Factor Analysis abnormal to line loss per unit in the embodiment of the present invention is illustrated
Figure；
Fig. 6 is that the public flow for becoming taiwan area progress three-phase imbalance analysis abnormal to line loss per unit in the embodiment of the present invention is illustrated
Figure；
Fig. 7 is that the public flow for becoming the taiwan area progress stealing analysis of causes abnormal to line loss per unit in the embodiment of the present invention is illustrated
Figure；
Fig. 8 is that the public of the present invention becomes the structural representation of taiwan area line loss per unit abnormal cause detecting system in one embodiment
Figure.
Specific embodiment
Present disclosure is described in further detail below in conjunction with preferred embodiment and attached drawing.Obviously, hereafter institute
The embodiment of description is only used for explaining the present invention rather than limitation of the invention.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiments obtained without making creative work belong to what the present invention protected
Range.
It should be understood that although hereinafter describing various information using term " first ", " second " etc., these
Information should not necessarily be limited by these terms, these terms are only used for same type of information being distinguished from each other out.For example, not departing from this
In the case of invention scope, " first " information can also be referred to as " second " information, similar, and " second " information can also be claimed
For " first " information.
It also should be noted that illustrate only for ease of description, in attached drawing part related to the present invention rather than
Full content.
Fig. 1 is that the public of the present invention becomes the flow signal of taiwan area line loss per unit abnormal cause detection method in one embodiment
Figure, the public taiwan area line loss per unit abnormal cause detection method that becomes of the present embodiment can be had by computer CPU, embedded controller etc.
The device of data processing function performs.As shown in Figure 1, the public change taiwan area line loss per unit abnormal cause detection method in the present embodiment
Include the following steps：
Step S11 obtains the public affairs of line loss per unit exception from distribution production system, metering automation system and marketing system
Become the basic source data of taiwan area；
Basic source data refer to line loss electricity and the relevant data of line loss per unit, in the present embodiment, data can be passed through
Interface exports basic source data from distribution production system, metering automation system and marketing system, passes through the elementary sources number
It is detected, analyzes according to the abnormal cause to the abnormal public change taiwan area of line loss per unit.
Step S12 becomes arbitrary in taiwan area progress analysis below to the public of line loss per unit exception respectively according to basic source data
It is one or more：Measure monitor anomaly analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance analysis and stealing reason
Analysis；
After basic source data is obtained, can the abnormal public taiwan area that becomes of line loss per unit as analysis object, by corresponding
Basic source data implement analysis.In the present embodiment, analysis method includes measure monitor anomaly analysis, rate of load condensate analysis, work(
Rate factor analysis, three-phase imbalance analysis and the stealing analysis of causes in any one or more.Each analysis method
To determine whether the abnormal public change taiwan area of line loss per unit has corresponding anomalous event.Preferably, analysis all of the above can be combined
Method performs an analysis to become taiwan area to the abnormal public affairs of line loss per unit, just more accurately positions line loss per unit abnormal cause.
Wherein, measure monitor anomaly analysis is used to determining becoming taiwan area by abnormal public of line loss per unit that electric energy meter metering whether occurs to be different
Ordinary affair part, such as event of uprushing, metering anticlimax event etc. are measured, it can be judged by analysis of history electricity data,
Other methods of the prior art may be used to be judged.
Rate of load condensate analysis can pass through for determining whether the abnormal public change taiwan area of line loss per unit occurs the too low event of rate of load condensate
Analysis is public to become common transformer in taiwan area the moon, power supply volume judged, can also be carried out using other methods of the prior art
Judge.
Power Factor Analysis is used to determine whether the abnormal public change taiwan area of line loss per unit occurs the too low event of power factor, three-phase
For determining whether the abnormal public change taiwan area of line loss per unit occurs three-phase imbalance event, the stealing analysis of causes is used for for imbalance analysis
Determine that the abnormal public public change user become corresponding to taiwan area of line loss per unit whether there is stealing suspicion.
Step S13 shows the abnormal public abnormal cause for becoming taiwan area of line loss per unit according to analysis result on display interface.
After being analyzed by one or more public change taiwan areas abnormal to line loss per unit in above-mentioned analysis method, root
The abnormal public abnormal cause for becoming taiwan area of line loss per unit is shown on display interface according to corresponding analysis result, such as：Pass through metering
It monitors anomaly analysis and determines that the abnormal public taiwan area T1 that becomes of some line loss per unit occurs to measure event of uprushing, analyzed and determined by rate of load condensate
The public affairs become taiwan area T1 and the too low event of rate of load condensate occur, and determine that the public affairs become taiwan area T1 and power factor mistake occurs by Power Factor Analysis
Low event is analyzed by three-phase imbalance and determines that the public affairs become taiwan area T1 and three-phase imbalance event occurs, passes through the stealing analysis of causes
Determine that stealing event occurs for the public user U1 that becomes that the public affairs become in taiwan area T1；Then with reference to shown in Fig. 2, it can shown according to analysis result
Show that the abnormal public abnormal cause for becoming taiwan area T1 of line loss per unit is uprushed into electrical energy measurement, rate of load condensate is too low, power factor on interface
There are stealing suspicion by too low, three-phase imbalance and public change user U1.
It further, can be according to right in the abnormal cause that the abnormal public change taiwan area of line loss per unit is shown according to analysis result
The priority orders of analysis method is answered to be shown.Such as shown in Fig. 2, priority is set for each analysis method, on display circle
On face the abnormal cause corresponding to each analysis result is shown according to analysis method priority sequence from high to low.
The present invention is by collecting distribution production system, metering automation system and the basic source data of marketing system, to going out
The abnormal public taiwan area that becomes of existing line loss per unit carries out abnormal cause positioning analysis, and this method treatment effeciency is high, and objective, true,
Efficiently auxiliary line loss administrative staff carry out more accurately abnormal judgement, so as to improve the lean of Controlling line loss level.
Optionally, basic source data packet includes the abnormal public history electricity data become corresponding to taiwan area of line loss per unit and to be verified
Electricity data.A kind of method of specific measure monitor anomaly analysis is provided in the present embodiment.With reference to shown in Fig. 3, to line loss
The abnormal public process for becoming taiwan area progress measure monitor anomaly analysis of rate includes the following steps：
History electricity data is divided into four parts of data by step S31, and the maximum value in first part of data is kept to be less than the
Minimum value in two parts of data, the maximum value in second part of data are less than the minimum value in third part data, in third part data
Maximum value be less than minimum value in the 4th part of data；
Step S32 is handled according to following formula (1), (2), (3)：
IQR=Q3-Q1 (1)
Min=Q1-2IQR (2)
Max=Q3+2IQR (3)
Wherein, Q1For the average value of first part of data, Q2For the average value of second part of data, Q3For the flat of third part data
Mean value, Q4For the average value of the 4th part of data, IQR, min and max be median in calculating process；
Step S33, judges whether electricity data to be verified is more than max, if so, the public change platform that judgement line loss per unit is abnormal
Area occurs electric energy meter and measures event of uprushing, if it is not, then entering step S304；
Step S34, judges whether the electricity data to be verified is less than kmin, if so, judgement line loss per unit is abnormal
The public taiwan area that becomes electric energy meter metering anticlimax event occurs.
Wherein, k is predetermined coefficient.Optionally, k values are 0.5.History electricity data can be the abnormal public change of line loss per unit
The electricity data of taiwan area in the month before, and data to be verified are then the electricity data of one day chosen in this month.
It should be noted that the sequence of two judgment steps (step S303 and S303) can be interchanged, i.e., first judge to be tested
Whether the electricity data of card is less than kmin, then judges whether electricity data to be verified is more than max.
Optionally, basic source data packet includes the abnormal public moon power supply for becoming the common transformer corresponding to taiwan area of line loss per unit
Amount.A kind of public method for becoming taiwan area carrying out rate of load condensate analysis abnormal to line loss per unit is provided in the present embodiment, with reference to shown in Fig. 4,
This method comprises the following steps：
Step S51, calculate that abnormal public of line loss per unit become corresponding to taiwan area the common transformer moon power supply volume average value；
It is calculated specifically, the moon power suply data of 1 year can be chosen, i.e., public change taiwan area abnormal according to line loss per unit
Corresponding common transformer is in the moon power supply volume of previous year, the average value of calculating moon power supply volume.
Step S52, judges whether the average value of moon power supply volume is less than standard moon power supply volume, if so, entering step S503；
Wherein, the standard moon, power supply volume was preconfigured parameter.
The too low event of rate of load condensate occurs for step S53, the abnormal public taiwan area that becomes of judgement line loss per unit.
Optionally, basic source data packet includes line loss per unit abnormal public change taiwan area each calculating week in the first set period of time
The total active energy and total capacity of idle power of phase.There is provided in the present embodiment it is a kind of it is abnormal to line loss per unit it is public become taiwan area carry out power because
The method of number analysis, with reference to shown in Fig. 5, this method comprises the following steps：
Step S61 calculates the average power factor of each calculating cycle according to total active energy and total capacity of idle power；
Specifically, average power factor is calculated by following expression (5)：
In formula (4), P is total active energy of current calculation cycle, and Q is total capacity of idle power of current calculation cycle,
Average power factor for current calculation cycle.
Step S62 if the quantity for meeting the calculating cycle of first condition is more than the first setting number, judges that line loss per unit is different
Power factor seriously too low event occurs for the normal public taiwan area that becomes；
Wherein, first condition is less than first threshold for average power factor.
Step S63 if the quantity for meeting the calculating cycle of first condition is less than the first setting number, and meets second condition
The quantity of calculating cycle be more than the first setting number, then judge that the abnormal public taiwan area that becomes of line loss per unit occurs to spend in power factor
Low event；
Wherein, second condition is less than second threshold for average power factor, and second threshold is more than first threshold.
Step S64 if the quantity for meeting the calculating cycle of second condition is less than the first setting number, and meets third condition
The quantity of calculating cycle be more than the first setting number, then judge that the slight mistake of power factor occurs for the abnormal public taiwan area that becomes of line loss per unit
Low event；
Wherein, third condition is less than third threshold value for average power factor, and third threshold value is more than the second threshold.
Further, first setting between section could be provided as one month, calculating cycle could be provided as one day, thus into
During row Power Factor Analysis, on the basis of the data of one month, the power factor of every day is calculated.First setting number can be set
It it is 15 days, first threshold is set as 0.65, and second threshold is set as 0.75, and third threshold value is set as 0.85.
According to above step, calculating in one month after the power factor of every day, if having more than the power of 15 days because
Number is less than 0.65, then judges that power factor seriously too low event occurs for the abnormal public taiwan area that becomes of line loss per unit；If power factor is less than
0.65 number of days is less than 15 days, and number of days of the power factor less than 0.75 is more than 15 days, then abnormal public of line loss per unit becomes taiwan area hair
The too low event of raw power factor moderate；If number of days of the power factor less than 0.75 is less than 15 days, and power factor is less than 0.85
Number of days was more than 15 days, then power factor slightly too low event occurs for the abnormal public taiwan area that becomes of line loss per unit.It can be seen that the present embodiment
In Power Factor Analysis method, can not only analyzing abnormal public of line loss per unit, to become taiwan area too low with the presence or absence of power factor
Event, moreover it is possible to divide the severity of outgoing event.
Optionally, basic source data packet includes the abnormal public AB two-phases electricity for becoming taiwan area of the line loss per unit in the second set period of time
Flow valuve.A kind of public method for becoming taiwan area carrying out three-phase imbalance analysis abnormal to line loss per unit is provided in the present embodiment, with reference to Fig. 6
Shown, this method includes：
Step S101 calculates the public of line loss per unit exception according to the abnormal public AB biphase currents value for becoming taiwan area of line loss per unit and becomes platform
The increment rate of circuit loss of area's each calculating cycle in the second set period of time；
Specifically, increment rate of circuit loss can be calculated according to the following conditions formula：
In above formula (5), βA、βBThe abnormal public A phase currents for becoming taiwan area of line loss per unit respectively in the second set period of time
Value, B phase current values.
Step S102 if the quantity for meeting the calculating cycle of fourth condition is more than the second setting number, judges line loss per unit
Serious three-phase imbalance event occurs for the abnormal public taiwan area that becomes；
Wherein, fourth condition is more than the 4th threshold value for increment rate of circuit loss.
Step S103 if the quantity for meeting the calculating cycle of fourth condition is less than the second setting number, and meets Article 5
The quantity of the calculating cycle of part is more than the second setting number, then it is uneven to judge that moderate three-phase occurs for the abnormal public change taiwan area of line loss per unit
Weighing apparatus event；
Wherein, fifth condition is more than the 5th threshold value for increment rate of circuit loss, and the 5th threshold value is less than the 4th threshold value.
Step S104 if the quantity for meeting the calculating cycle of fifth condition is less than the second setting number, and meets Article 6
The quantity of the calculating cycle of part is more than the second setting number, then it is uneven to judge that slight three-phase occurs for the abnormal public change taiwan area of line loss per unit
Weighing apparatus event；
Wherein, Article 6 part is more than the 6th threshold value for increment rate of circuit loss, and the 6th threshold value is less than the 5th threshold value.
Further, section may be set to be one month between the second setting, and calculating cycle could be provided as one day, therefore
When carrying out three-phase imbalance analysis, on the basis of the data of one month, the increment rate of circuit loss of every day is calculated.Second setting number
It may be configured as 15 days, the 4th threshold value is set as 1.6, and the 5th threshold value is set as 1.2, and the 6th threshold value is set as 0.8.
It according to above step, is calculating in one month after the increment rate of circuit loss of every day, if having more than the line loss of 15 days
Increment rate is more than 1.2, then judges that serious three-phase imbalance event occurs for the abnormal public taiwan area that becomes of line loss per unit；If increment rate of circuit loss is big
Number of days in 1.2 is less than 15 days, and number of days of the increment rate of circuit loss more than 1.2 is more than 15 days, then abnormal public of line loss per unit becomes taiwan area
Moderate three-phase imbalance event occurs；If number of days of the increment rate of circuit loss more than 1.2 is less than 15 days, and increment rate of circuit loss is more than 0.8
Number of days be more than 15 days, then slight three-phase imbalance event occurs for the abnormal public taiwan area that becomes of line loss per unit.It can be seen that the present embodiment
In three-phase imbalance analysis method, can not only analyze the abnormal public taiwan area that becomes of line loss per unit and whether there is three-phase imbalance thing
Part, moreover it is possible to divide the severity of outgoing event.
Optionally, basic source data packet includes the abnormal public line loss per unit for becoming taiwan area of line loss per unit and line loss electricity and line loss
The abnormal public public electricity consumption for becoming user become corresponding to taiwan area of rate.The embodiment of the present invention also provides a kind of abnormal to line loss per unit
Public affairs become the method that taiwan area carries out the stealing analysis of causes, as shown in fig. 7, this method includes：
Step S121, the public affairs abnormal from the line loss per unit, which become, filters out the line for meeting setting alternative condition in the set of taiwan area
The abnormal public change taiwan area of loss rate；
Wherein set alternative condition as：The line loss per unit that public affairs become taiwan area is more than 0, and the public affairs become taiwan area within the Evaluation: Current period
Line loss per unit be more than line loss per unit in a upper evaluation cycle.
Step S122 calculates the abnormal public line loss incrementss for becoming taiwan area of each line loss per unit for meeting setting alternative condition；
Wherein, line loss incrementss are for the public line loss electricity for becoming taiwan area within the Evaluation: Current period and in a upper evaluation cycle
Line loss electricity difference.
Step S123 calculates abnormal public public become become corresponding to taiwan area of each line loss per unit for meeting setting alternative condition and uses
The electricity consumption difference at family；
Wherein, electricity consumption difference becomes electricity consumption of the user in a upper evaluation cycle and the use within the Evaluation: Current period to be public
The difference of electricity；
Step S124 calculates abnormal public public become become corresponding to taiwan area of each line loss per unit for meeting setting alternative condition and uses
The electricity consumption difference accounting at family；
Wherein, electricity consumption difference accounting is the public electricity consumption difference for becoming user and the corresponding public line loss incrementss for becoming taiwan area
Ratio；
Step S125, judges whether electricity consumption difference accounting is more than standard accounting, if so, entering step S126；
Wherein, standard accounting is preconfigured parameter.
Step S126, there are stealing suspicion by the corresponding public change user of judgement electricity consumption difference accounting.
Specifically, evaluation cycle can be one month, i.e., evaluated with data monthly.
In view of becoming user's stealing if any public affairs, then will be reduced based on the electricity consumption that Electro-metering device is counted.Therefore,
In order to improve data-handling efficiency, in stealing analysis of causes method provided in this embodiment, electricity consumption difference can also calculated
Become user to public affairs before to screen, i.e., become corresponding to taiwan area from each the public of line loss per unit exception for meeting setting alternative condition
Public affairs become in user, filter out the public of electricity consumption decline and become user, and calculate the public electricity consumption difference for becoming user of electricity consumption decline.Its
In, the public change user that electricity consumption declines refers to that meeting the public of following condition becomes user：Public affairs become user within the Evaluation: Current period
Electricity consumption is less than the electricity consumption in a upper evaluation cycle.
By more than stealing analysis of causes method, the abnormal public public change user become corresponding to taiwan area of line loss per unit can be found out
With the presence or absence of stealing suspicion, so as to which effectively auxiliary line loss administrative staff carry out more accurately abnormal judgement, Controlling line loss is improved
Lean is horizontal.
It should be noted that for aforementioned each method embodiment, describe, it is all expressed as a series of for simplicity
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to
According to the present invention, certain steps may be used other sequences or be carried out at the same time.
Public according to the invention described above becomes taiwan area line loss per unit abnormal cause detection method, and the present invention also provides a kind of public change platforms
Area's line loss per unit abnormal cause detecting system, below in conjunction with the accompanying drawings and preferred embodiment becomes taiwan area line loss per unit exception to the public of the present invention
Reason detecting system is described in detail.
Fig. 8 is that the public of the present invention becomes the structural representation of taiwan area line loss per unit abnormal cause detecting system in one embodiment
Figure.As shown in figure 8, the public taiwan area line loss per unit abnormal cause detecting system that becomes in the embodiment includes：
Acquisition module 10, for obtaining line loss per unit from distribution production system, metering automation system and marketing system
The abnormal public basic source data for becoming taiwan area；
Analysis module 20, for being carried out in analysis below to the public taiwan area that becomes of line loss per unit exception respectively according to basic source data
It is any one or more：Measure monitor anomaly analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance are analyzed and are stolen
The electric analysis of causes；
Display module 30, for showing the abnormal public exception for becoming taiwan area of line loss per unit on display interface according to analysis result
Reason.
Specifically, in the present embodiment, acquisition module 10 can be automatic from distribution production system, metering by data-interface
Basic source data is obtained in change system and marketing system.
After acquisition module 10 obtains basic source data, analysis module 20 can the abnormal public change taiwan area work of line loss per unit
To analyze object, analysis is implemented by corresponding basic source data.In the present embodiment, analysis side used by analysis module 20
Method is included in measure monitor anomaly analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance analysis and the stealing analysis of causes
Any one or more.Each analysis method can determine whether the abnormal public change taiwan area of line loss per unit has corresponding exception
Event.Divide preferably, analysis module 20 can carry out the public change taiwan area abnormal to line loss per unit with reference to analysis method all of the above
Analysis, more accurately to position line loss per unit abnormal cause.
It is carried out in analysis module 20 by one or more public change taiwan areas abnormal to line loss per unit in above-mentioned analysis method
After analysis, display module 30 shows the different of the abnormal public change taiwan area of line loss per unit according to corresponding analysis result on display interface
Normal reason, such as display module 30 is according to showing interface abnormal cause shown in Fig. 2.
Further, the abnormal public abnormal cause for becoming taiwan area of line loss per unit is shown according to analysis result in display module 30
When, it can be shown according to the priority orders of corresponding analysis method.For example, each analysis method setting priority, shows mould
Block 30 shows that the exception corresponding to each analysis result is former on display interface according to the sequence of analysis method priority from high to low
Cause.
In a kind of optional embodiment, basic source data packet includes the abnormal public history become corresponding to taiwan area of line loss per unit
Electricity data and electricity data to be verified；Analysis module includes measure monitor anomaly analysis module, measure monitor anomaly analysis
Module includes：
Electricity data division module for history electricity data to be divided into four parts of data, and is kept in first part of data
Maximum value be less than minimum value in second part of data, the maximum value in second part of data is less than the minimum in third part data
It is worth, the maximum value in third part data is less than the minimum value in the 4th part of data；
Electricity data processing module, for being handled according to following formula：IQR=Q3-Q1, min=Q1-2IQR, max
=Q3+2IQR；Wherein Q1For the average value of first part of data, Q2For the average value of second part of data, Q3For the flat of third part data
Mean value, Q4For the average value of the 4th part of data, IQR, min and max be median in calculating process；
Electricity data authentication module, for when electricity data to be verified is more than max, the abnormal public affairs of judgement line loss per unit to become
Taiwan area occurs electric energy meter and measures event of uprushing；When electricity data to be verified is less than kmin, the public affairs of line loss per unit exception are judged
Become taiwan area and electric energy meter metering anticlimax event occurs；Wherein, k is predetermined coefficient.
Optionally, basic source data packet includes the abnormal public moon power supply for becoming the common transformer corresponding to taiwan area of line loss per unit
Amount, analysis module include taiwan area rate of load condensate analysis module, and taiwan area rate of load condensate analysis module includes：
Monthly power supply volume computing module, for calculating the line loss per unit abnormal public moon for becoming the common transformer corresponding to taiwan area
The average value of power supply volume；
The too low determination module of taiwan area rate of load condensate, for the moon power supply volume average value be less than the standard moon power supply volume when, judgement
The too low event of rate of load condensate occurs for the abnormal public taiwan area that becomes of line loss per unit.
Wherein, the standard moon, power supply volume was preconfigured parameter.
Optionally, basic source data packet includes line loss per unit abnormal public change taiwan area each calculating week in the first set period of time
The total active energy and total capacity of idle power of phase, analysis module include Power Factor Analysis module, and Power Factor Analysis module includes：
Average power factor computing module, for calculating each calculating cycle according to total active energy and total capacity of idle power
Average power factor；
The too low determination module of first power factor, for being set in the quantity for the calculating cycle for meeting first condition more than first
When determining number, power factor seriously too low event occurs for the abnormal public taiwan area that becomes of judgement line loss per unit；First condition is mean power
Factor is less than first threshold；
The too low determination module of second power factor, for being set in the quantity for the calculating cycle for meeting second condition less than first
Determine number, and when the quantity for meeting the calculating cycle of second condition is more than the first setting number, abnormal public of judgement line loss per unit becomes
The too low event of power factor moderate occurs for taiwan area；Second condition is less than second threshold for average power factor, and second threshold is big
In first threshold；
The too low determination module of third power factor, for being set in the quantity for the calculating cycle for meeting second condition less than first
Determine number, and when the quantity for meeting the calculating cycle of third condition is more than the first setting number, abnormal public of judgement line loss per unit becomes
Power factor slightly too low event occurs for taiwan area；Third condition is less than third threshold value for average power factor, and third threshold value is big
In second threshold.
Optionally, analysis module 20 further includes three-phase imbalance analysis module, for the abnormal public change taiwan area of line loss per unit
Carry out three-phase imbalance analysis.
Optionally, basic source data packet includes the abnormal public AB two-phases electricity for becoming taiwan area of the line loss per unit in the second set period of time
Flow valuve, three-phase imbalance analysis module include：
Increment rate of circuit loss computing module, for calculating line loss according to the abnormal public AB biphase currents value for becoming taiwan area of line loss per unit
The abnormal public increment rate of circuit loss for becoming taiwan area each calculating cycle in the second set period of time of rate；
First three-phase imbalance determination module, for being more than the second setting in the quantity for the calculating cycle for meeting fourth condition
During number, serious three-phase imbalance event occurs for the abnormal public taiwan area that becomes of judgement line loss per unit；Fourth condition is big for increment rate of circuit loss
In the 4th threshold value；
Second three-phase imbalance determination module, for being less than the second setting in the quantity for the calculating cycle for meeting fourth condition
Number, the and when quantity for meeting the calculating cycle of fifth condition is more than the second setting number, abnormal public of judgement line loss per unit become platform
Moderate three-phase imbalance event occurs for area；Fifth condition is more than the 5th threshold value for increment rate of circuit loss, and the 5th threshold value is less than the 4th
Threshold value；
Third three-phase imbalance determination module, for being less than the second setting in the quantity for the calculating cycle for meeting fifth condition
Number, the and when quantity for meeting the calculating cycle of Article 6 part is more than the second setting number, abnormal public of judgement line loss per unit become platform
Slight three-phase imbalance event occurs for area；Article 6 part is more than the 6th threshold value for increment rate of circuit loss, and the 6th threshold value is less than the 5th
Threshold value.
Optionally, basic source data packet includes the abnormal public line loss per unit for becoming taiwan area of line loss per unit and line loss electricity and line loss
The abnormal public public electricity consumption for becoming user become corresponding to taiwan area of rate, analysis module include taiwan area stealing analysis of causes module, platform
Area's stealing analysis of causes module includes：
Taiwan area screening module, for filtering out satisfaction setting alternative condition from the abnormal public set for becoming taiwan area of line loss per unit
Abnormal public of line loss per unit become taiwan area；
Wherein, set alternative condition as：The line loss per unit that public affairs become taiwan area is more than 0, and the public affairs become taiwan area in the Evaluation: Current period
Interior line loss per unit is more than the line loss per unit in a upper evaluation cycle；
Line loss incrementss computing module, for calculating the abnormal public change taiwan area of each line loss per unit for meeting setting alternative condition
Line loss incrementss；
Wherein, line loss incrementss are for the public line loss electricity for becoming taiwan area within the Evaluation: Current period and in a upper evaluation cycle
Line loss electricity difference；
Electricity consumption difference calculating module, for calculating the abnormal public change taiwan area institute of each line loss per unit for meeting setting alternative condition
The corresponding public electricity consumption difference for becoming user；
Wherein, electricity consumption difference becomes electricity consumption of the user in a upper evaluation cycle and the use within the Evaluation: Current period to be public
The difference of electricity；
Electricity consumption difference accounting computing module, for calculating the abnormal public change platform of each line loss per unit for meeting setting alternative condition
The public electricity consumption difference accounting for becoming user corresponding to area；
Wherein, the second electricity consumption difference accounting increases for the public electricity consumption difference for becoming user and the corresponding public line loss for becoming taiwan area
The ratio of amount；
Stealing event determination module, for when electricity consumption difference accounting is more than standard accounting, judging electricity consumption difference accounting pair
There are stealing suspicion by the special change user answered；
Wherein, standard accounting is preconfigured parameter.
Specifically, evaluation cycle can be one month, i.e., evaluated with data monthly.
In view of becoming user's stealing if any public affairs, then will be reduced based on the electricity consumption that Electro-metering device is counted.Therefore,
In order to improve data-handling efficiency, in taiwan area stealing analysis of causes module provided in this embodiment, public become can also be included and used
Family screening module is screened for becoming user to public affairs before electricity consumption difference is calculated, i.e., meets setting alternative condition from each
Abnormal public of line loss per unit become corresponding to taiwan area it is public become in user, become user's screening module by public affairs and filter out electricity consumption and decline
The public public electricity consumption difference for becoming user for becoming user, and calculating electricity consumption decline.Wherein, the public change user that electricity consumption declines refers to
Meet the public of following condition and become user：Public affairs become electricity consumption of the user within the Evaluation: Current period and are less than in a upper evaluation cycle
Electricity consumption.
Above-mentioned line loss per unit abnormal cause detecting system can perform the line loss per unit abnormal cause inspection that the embodiment of the present invention is provided
Survey method has the corresponding function module of execution method and advantageous effect, as wherein each its function of Implement of Function Module
Specific method can refer to the description in above-mentioned line loss per unit abnormal cause detection method embodiment, and details are not described herein again.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Above example only expresses the several embodiments of the present invention, and description is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of public change taiwan area line loss per unit abnormal cause detection method, which is characterized in that include the following steps：
The abnormal public basis for becoming taiwan area of line loss per unit is obtained from distribution production system, metering automation system and marketing system
Source data；
Analysis below is carried out to the public taiwan area that becomes of line loss per unit exception according to basic source data respectively：Measure monitor divides extremely
Analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance analysis and the stealing analysis of causes；
The abnormal public abnormal cause for becoming taiwan area of the line loss per unit is shown on display interface according to analysis result；
The basis source data packet includes:
The abnormal public history electricity data become corresponding to taiwan area of line loss per unit and electricity data to be verified；
The abnormal public moon power supply volume for becoming the common transformer corresponding to taiwan area of line loss per unit；
The abnormal public change taiwan area of line loss per unit total active energy of each calculating cycle and total idle electricity in the first set period of time
Amount；
The abnormal public AB biphase current values for becoming taiwan area of line loss per unit in second set period of time；
The abnormal public line loss per unit for becoming taiwan area of line loss per unit and the public public affairs become corresponding to taiwan area of line loss electricity and line loss per unit exception
Become the electricity consumption of user；
The measure monitor anomaly analysis includes the following steps：
The history electricity data is divided into four parts of data, and the maximum value in first part of data is kept to be less than second part of data
In minimum value, the maximum value in second part of data is less than the minimum value in third part data, the maximum value in third part data
Less than the minimum value in the 4th part of data；
It is handled according to following formula：IQR=Q3-Q1, min=Q1-2IQR, max=Q3+2IQR；Wherein Q1For the first number
According to average value, Q3For the average value of third part data, IQR, min and max be intermediate quantity in calculating process；
If the electricity data to be verified is more than max, judge that electric energy meter occurs for the abnormal public taiwan area that becomes of the line loss per unit
Event of uprushing is measured, if the electricity data to be verified is less than kmin, judges that the abnormal public taiwan area that becomes of the line loss per unit is sent out
Raw electric energy meter metering anticlimax event；Wherein, k is predetermined coefficient.
2. public change taiwan area line loss per unit abnormal cause detection method according to claim 1, which is characterized in that different to line loss per unit
The normal public process for becoming taiwan area progress rate of load condensate analysis includes the following steps：
Calculate that abnormal public of the line loss per unit become the common transformer corresponding to taiwan area the moon power supply volume average value；
If the average value of the moon power supply volume is less than standard moon power supply volume, judge that the abnormal public affairs of the line loss per unit become taiwan area
The too low event of rate of load condensate.
3. public change taiwan area line loss per unit abnormal cause detection method according to claim 1, which is characterized in that the line loss
The abnormal public process for becoming taiwan area progress Power Factor Analysis of rate includes the following steps：
The average power factor of each calculating cycle is calculated according to total active energy and total capacity of idle power；
If the quantity for meeting the calculating cycle of first condition is more than the first setting number, the abnormal public change of the line loss per unit is judged
Power factor seriously too low event occurs for taiwan area；The first condition is less than first threshold for average power factor；
If the quantity for meeting the calculating cycle of first condition is less than the first setting number, and meet the calculating cycle of second condition
Quantity is more than the first setting number, then judges that the too low event of power factor moderate occurs for the abnormal public taiwan area that becomes of the line loss per unit；
The second condition is less than second threshold for average power factor, and the second threshold is more than the first threshold；
If the quantity for meeting the calculating cycle of second condition is less than the first setting number, and meet the calculating cycle of third condition
Quantity is more than the first setting number, then judges that power factor slightly too low event occurs for the abnormal public taiwan area that becomes of the line loss per unit；
The third condition is less than third threshold value for average power factor, and the third threshold value is more than the second threshold.
4. public change taiwan area line loss per unit abnormal cause detection method according to claim 1, which is characterized in that the line loss
The abnormal public process for becoming taiwan area progress three-phase imbalance analysis of rate includes：
The abnormal public taiwan area that becomes of the line loss per unit is calculated according to the abnormal public AB biphase currents value for becoming taiwan area of the line loss per unit to exist
The increment rate of circuit loss of each calculating cycle in second set period of time；
Increment rate of circuit loss is calculated according to the following conditions formula：
Wherein βA、βBThe abnormal public A phase current values for becoming taiwan area of line loss per unit, B phase currents respectively in the second set period of time
Value；
If the quantity for meeting the calculating cycle of fourth condition is more than the second setting number, the abnormal public change of the line loss per unit is judged
Serious three-phase imbalance event occurs for taiwan area；The fourth condition is more than the 4th threshold value for increment rate of circuit loss；
If the quantity for meeting the calculating cycle of fourth condition is less than the second setting number, and meet the calculating cycle of fifth condition
Quantity is more than the second setting number, then judges that moderate three-phase imbalance event occurs for the abnormal public taiwan area that becomes of the line loss per unit；Institute
It states fifth condition and is more than the 5th threshold value for increment rate of circuit loss, and the 5th threshold value is less than the 4th threshold value；
If the quantity for meeting the calculating cycle of fifth condition is less than the second setting number, and meet the calculating cycle of Article 6 part
Quantity is more than the second setting number, then judges that slight three-phase imbalance event occurs for the abnormal public taiwan area that becomes of the line loss per unit；Institute
It states Article 6 part and is more than the 6th threshold value for increment rate of circuit loss, and the 6th threshold value is less than the 5th threshold value.
5. public change taiwan area line loss per unit abnormal cause detection method according to claim 1, which is characterized in that according to elementary sources
The data public process that becomes the taiwan area progress stealing analysis of causes abnormal to line loss per unit includes：
The public affairs for the line loss per unit exception for meeting setting alternative condition are filtered out in the public set for becoming taiwan area abnormal from the line loss per unit
Become taiwan area；It is described set alternative condition as：The line loss per unit that public affairs become taiwan area is more than 0, and the public affairs become taiwan area within the Evaluation: Current period
Line loss per unit be more than line loss per unit in a upper evaluation cycle；
Calculate the abnormal public line loss incrementss for becoming taiwan area of each line loss per unit for meeting the setting alternative condition；The line loss increases
Dosage is the public difference for becoming line loss electricity of the taiwan area within the Evaluation: Current period and the line loss electricity in a upper evaluation cycle；
Calculate the abnormal public public electricity consumption for becoming user become corresponding to taiwan area of each line loss per unit for meeting the setting alternative condition
Difference；The electricity consumption difference becomes electricity consumption of the user in a upper evaluation cycle and the electricity consumption within the Evaluation: Current period to be public
Difference；
Calculate the abnormal public public electricity consumption for becoming user become corresponding to taiwan area of each line loss per unit for meeting the setting alternative condition
Difference accounting；The electricity consumption difference accounting is the public electricity consumption difference for becoming user and the corresponding public line loss incrementss for becoming taiwan area
Ratio；
If the electricity consumption difference accounting is more than standard accounting, judges that the corresponding public change user of the electricity consumption difference accounting exists and steal
Electric suspicion.
6. a kind of public change taiwan area line loss per unit abnormal cause detecting system, which is characterized in that including：
Acquisition module, for obtaining line loss per unit exception from distribution production system, metering automation system and marketing system
Public affairs become the basic source data of taiwan area；
Analysis module, for carrying out analysis below to the public taiwan area that becomes of line loss per unit exception respectively according to basic source data：Meter
Amount monitoring anomaly analysis, rate of load condensate analysis, Power Factor Analysis, three-phase imbalance analysis and the stealing analysis of causes；
Display module, for showing the abnormal public abnormal cause for becoming taiwan area of line loss per unit on display interface according to analysis result；
The basis source data packet includes：
The abnormal public history electricity data become corresponding to taiwan area of line loss per unit and electricity data to be verified；
The abnormal public moon power supply volume for becoming the common transformer corresponding to taiwan area of line loss per unit；
The abnormal public change taiwan area of line loss per unit total active energy of each calculating cycle and total idle electricity in the first set period of time
Amount；
The abnormal public AB biphase current values for becoming taiwan area of line loss per unit in second set period of time；
The abnormal public line loss per unit for becoming taiwan area of line loss per unit and the public public affairs become corresponding to taiwan area of line loss electricity and line loss per unit exception
Become the electricity consumption of user；
The analysis module includes measure monitor anomaly analysis module, and measure monitor anomaly analysis module includes：
Electricity data division module for the history electricity data to be divided into four parts of data, and is kept in first part of data
Maximum value be less than minimum value in second part of data, the maximum value in second part of data is less than the minimum in third part data
It is worth, the maximum value in third part data is less than the minimum value in the 4th part of data；
Electricity data processing module, for being handled according to following formula：IQR=Q3-Q1, min=Q1-2IQR, max=Q3+
2IQR；Wherein Q1For the average value of first part of data, Q3For the average value of third part data, IQR, min and max be to calculate
Intermediate quantity in journey；
Electricity data authentication module, for when electricity data to be verified is more than max, the abnormal public affairs of judgement line loss per unit to become taiwan area
Electric energy meter occurs and measures event of uprushing, when electricity data to be verified is less than kmin, the abnormal public change platform of judgement line loss per unit
Electric energy meter metering anticlimax event occurs for area；Wherein, k is predetermined coefficient.
7. public change taiwan area line loss per unit abnormal cause detecting system according to claim 6, which is characterized in that the analysis mould
Block includes Power Factor Analysis module, and the Power Factor Analysis module includes：
Average power factor computing module, for calculating each calculating cycle according to total active energy and total capacity of idle power
Average power factor；
The too low determination module of first power factor, for being more than the first setting in the quantity for the calculating cycle for meeting first condition
During number, judge that power factor seriously too low event occurs for the abnormal public taiwan area that becomes of the line loss per unit；The first condition is average
Power factor is less than first threshold；
The too low determination module of second power factor, for being less than the first setting in the quantity for the calculating cycle for meeting first condition
Number, the and when quantity for meeting the calculating cycle of second condition is more than the first setting number judges that abnormal public of the line loss per unit becomes
The too low event of power factor moderate occurs for taiwan area；The second condition is less than second threshold, and described for average power factor
Two threshold values are more than the first threshold；
The too low determination module of third power factor, for being less than the first setting in the quantity for the calculating cycle for meeting second condition
Number, the and when quantity for meeting the calculating cycle of third condition is more than the first setting number judges that abnormal public of the line loss per unit becomes
Power factor slightly too low event occurs for taiwan area；The third condition is less than third threshold value, and described for average power factor
Three threshold values are more than the second threshold.
8. the public change taiwan area line loss per unit abnormal cause detecting system described according to claim 6 or 7, which is characterized in that described point
It analyses module and includes three-phase imbalance analysis module, the three-phase imbalance analysis module includes：
Increment rate of circuit loss computing module, described in being calculated according to the abnormal public AB biphase currents value for becoming taiwan area of the line loss per unit
The abnormal public increment rate of circuit loss for becoming taiwan area each calculating cycle in second set period of time of line loss per unit；
Increment rate of circuit loss is calculated according to the following conditions formula：
Wherein βA、βBThe abnormal public A phase current values for becoming taiwan area of line loss per unit, B phase currents respectively in the second set period of time
Value；
First three-phase imbalance determination module, for being more than the second setting number in the quantity for the calculating cycle for meeting fourth condition
When, judge that serious three-phase imbalance event occurs for the abnormal public taiwan area that becomes of the line loss per unit；The fourth condition increases for line loss
Rate is more than the 4th threshold value；
Second three-phase imbalance determination module, for being less than the second setting in the quantity for the calculating cycle for meeting fourth condition
Number, the and when quantity for meeting the calculating cycle of fifth condition is more than the second setting number judges that abnormal public of the line loss per unit becomes
Moderate three-phase imbalance event occurs for taiwan area；The fifth condition is more than the 5th threshold value, and the 5th threshold for increment rate of circuit loss
Value is less than the 4th threshold value；
Third three-phase imbalance determination module, for being less than the second setting in the quantity for the calculating cycle for meeting fifth condition
Number, the and when quantity for meeting the calculating cycle of Article 6 part is more than the second setting number judges that abnormal public of the line loss per unit becomes
Slight three-phase imbalance event occurs for taiwan area；The Article 6 part is more than the 6th threshold value, and the 6th threshold for increment rate of circuit loss
Value is less than the 5th threshold value.
9. the public change taiwan area line loss per unit abnormal cause detecting system described according to claim 6 or 7, which is characterized in that described point
It analyses module and includes taiwan area stealing analysis of causes module, the taiwan area stealing analysis of causes module includes：
Taiwan area screening module, for filtering out satisfaction setting alternative condition from the abnormal public set for becoming taiwan area of the line loss per unit
Abnormal public of line loss per unit become taiwan area；It is described set alternative condition as：The line loss per unit that public affairs become taiwan area is more than 0, and the public affairs become taiwan area
Line loss per unit within the Evaluation: Current period is more than the line loss per unit in a upper evaluation cycle；
Line loss incrementss computing module, for calculating the abnormal public change taiwan area of each line loss per unit for meeting the setting alternative condition
Line loss incrementss；The line loss incrementss are public line loss electricity of the taiwan area within the Evaluation: Current period that become with evaluating week upper one
The difference of line loss electricity in phase；
Electricity consumption difference calculating module, for calculating the abnormal public change taiwan area institute of each line loss per unit for meeting the setting alternative condition
The corresponding public electricity consumption difference for becoming user；The electricity consumption difference is public electricity consumption of the user in a upper evaluation cycle that become with working as
The difference of electricity consumption in preceding evaluation cycle；
Electricity consumption difference accounting computing module, for calculating the abnormal public change platform of each line loss per unit for meeting the setting alternative condition
The public electricity consumption difference accounting for becoming user corresponding to area；The electricity consumption difference accounting for the public electricity consumption difference for becoming user with it is corresponding
The public line loss incrementss for becoming taiwan area ratio；
Stealing event determination module, for when the electricity consumption difference accounting is more than standard accounting, judging that the electricity consumption difference accounts for
Than corresponding public change user, there are stealing suspicion.
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| CN107543989B (en) * | 2017-09-14 | 2020-01-07 | 国家电网公司 | Method for judging line loss abnormity based on voltage loss and phase loss of electric energy meter |
| CN107832855B (en) * | 2017-09-14 | 2020-08-21 | 北京中恒博瑞数字电力科技有限公司 | Line loss multi-source diagnosis method and system based on correlation analysis |
| CN107863770B (en) * | 2017-09-30 | 2021-06-15 | 国网上海市电力公司 | Method for judging abnormal reason of line loss rate of low-voltage transformer area |
| CN109683059B (en) * | 2018-12-30 | 2021-06-22 | 国网北京市电力公司 | Method and device for determining line loss abnormity, storage medium and processor |
| CN109946640B (en) * | 2019-04-11 | 2020-07-03 | 广东电网有限责任公司 | Special transformer terminal voltage and current loss judgment method based on metering automation system data |
| CN111080474A (en) * | 2019-12-03 | 2020-04-28 | 江和顺 | Distribution network reliability analysis method based on big data visualization technology |
| CN112986750A (en) * | 2019-12-13 | 2021-06-18 | 国网辽宁省电力有限公司沈阳供电公司 | Method for rapidly judging field metering abnormality based on fault tree |
| CN111384714B (en) * | 2020-03-12 | 2023-10-31 | 深圳供电局有限公司 | Multi-factor state distribution-based low-voltage transformer area line loss problem searching method |
| CN111047226A (en) * | 2020-03-13 | 2020-04-21 | 广东电网有限责任公司佛山供电局 | Intelligent analysis method for abnormal loss of power distribution network line |
| CN111679112B (en) * | 2020-06-18 | 2022-06-28 | 杭州炬华科技股份有限公司 | Electric energy meter electricity stealing type judging method and device, computer equipment and storage medium |
| CN111931342B (en) * | 2020-07-08 | 2023-03-31 | 贵州电网有限责任公司 | Method for evaluating extra line loss caused by station area power quality |
| CN112990500B (en) * | 2021-04-01 | 2022-12-23 | 国网山东省电力公司营销服务中心(计量中心) | Transformer area line loss analysis method and system based on improved weighted gray correlation analysis |
| CN113361983B (en) * | 2021-08-11 | 2022-02-08 | 国网江西省电力有限公司电力科学研究院 | High-loss transformer area technology cause diagnosis method and system |
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