CN108764501A - A kind of analysis of line loss problem and defect elimination processing method - Google Patents
A kind of analysis of line loss problem and defect elimination processing method Download PDFInfo
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Abstract
A kind of analysis of line loss problem and defect elimination processing method belong to management of power supply and power utilization field.It establishes archives data center, records each period taiwan area line loss situation, and sifting sort is carried out to unreasonable taiwan area；Standardizable diagnostic center is established, the normalized form of the diagnosis unreasonable reason of taiwan area is formulated, task is given into relevant departments and is handled；Centralization defect elimination administrative center is established, defect elimination process is recorded, to recall and statistics task disposition；Reporting system is established, it is for statistical analysis to key link, allow management level that can accurately grasp the information oneself wanted to know about.It is by taking technical measures and management measure, monthly, season, year, periodically carry out the examination of taiwan area line loss and analysis, reinforce the administrative analysis to performance assessment criteria, to existing trouble-shoots reason, it decomposes and implements step by step, trace analysis and examination are carried out to the implementation of conditions of measure, realize the closed loop control of unit-area management work.It can be widely used for management of power supply and power utilization and Controlling line loss field.
Description
Technical field
The invention belongs to management of power supply and power utilization field more particularly to a kind of analyses and defect elimination processing side for line loss problem
Method.
Background technology
China's power industry enters " fast development " stage in recent years, but due to the problems such as being unevenly distributed there are the energy, with
It is that overall development direction is runed counter to, even hinder electric power development the problem of all showed in every field.
In low-voltage power marketing link, due to the limitation of current economic technical conditions, although electric company at different levels is all
It has put into substantial contribution and large-scale construction and upgrading has been carried out to low pressure network, but since low-voltage client Population is huge,
And variation is frequent, generally existing family becomes bad ambiguity, meter reading quality, stealing, metering fault in taiwan area Controlling line loss at present
Line loss caused by equal administrative reasons is abnormal, at the same there is also detour power supply, long distance power transmission, radius of electricity supply be excessive, conductor cross-section
Line loss is abnormal caused by the technical reasons such as too small, circuit overload, reactive compensation capacity deficiency, no-load transformer and underloading.
In recent years, what domestic many power supply enterprises were different degrees of faces a common awkward situation, that is, is administering taiwan area line loss
Upper " investment is big, return is small ", for low-voltage distribution network various scrap builds continually, but income is more and more unsatisfactory,
Since its root is last decade, huge variation has occurred in the principal element for influencing taiwan area line loss, and investment for trnasforming urban land direction is constant,
It is bound to cause quick-acting drop damages to have a rebound in a short time, it is difficult to which the achievement for curing long-acting drop damage, orderly dropping damage is finally absorbed in " investment
Greatly, return it is small " awkward situation.
The online administrative taiwan area of sea market electric company of state has more than 16000 at present, and line loss qualification taiwan area is only more than 10000
A, qualification rate is less than 70%.
It is the most important thing in electric company's work around taiwan area line loss improvement, it is necessary to take row for current
Effective means targetedly administer taiwan area, fundamentally reverse the high present situation of taiwan area line loss.
Invention content
Technical problem to be solved by the invention is to provide a kind of analysis of line loss problem and defect elimination processing methods.It passes through
To with adopt operation monitoring system, marketing system initial data carries out data analysis, find unreasonable taiwan area, and targetedly carry
Go out defect elimination solution, targetedly instruction is provided for the work of taiwan area line loss defect elimination；With systematization, integration, ring-closed
Idea in management, tracing management is carried out to the electric company all taiwan areas, it is ensured that taiwan area up to standard can realize continue it is admittedly excellent, not
The sustainable tracking of taiwan area up to standard finds taiwan area line loss unusual condition, and is tracked and recorded to abnormal cause in time, and then realizes
Ring-closed taiwan area line loss fine-grained management.
The technical scheme is that：Analysis and the defect elimination processing method of a kind of line loss problem are provided, including pass through reception
With operation, the marketing data for adopting operation monitoring system, marketing system, line loss statistics and analysis is carried out；It is described with felling and transporting capable prison
Control service system provides the same period line loss of each taiwan area；The marketing system provides the basic information of user and entering an item of expenditure in the accounts for user
Electricity；It is characterized in that：
The data center for establishing archives records each period taiwan area line loss situation, and screening point is carried out to unreasonable taiwan area
Class carries out the taiwan area of data fluctuations exception to continue supervision；
Standardized diagnostic center is established, each reason for causing taiwan area line loss per unit unreasonable is all recorded in library, with platform
Area's type, line loss data value, which are used as, refers to foundation, formulates the normalized form of the diagnosis unreasonable reason of taiwan area, automatically gives task
Relevant departments are handled；
The defect elimination administrative center for establishing centralization, manages as a whole from top to bottom, with Diagnosis of Primary because of reference frame, completes to disappear
The task of lacking, records defect elimination process, to recall and statistics task disposition；
The reporting system of science is established, generation module, flexible report for statistical analysis to key link allow pipe
Reason layer can accurately grasp the information oneself wanted to know about.
The analysis of the line loss problem and defect elimination processing method, by taking technical measures and management measure, monthly, season,
Year, the examination of taiwan area line loss and analysis are periodically carried out, the administrative analysis to performance assessment criteria is reinforced, to existing trouble-shoots reason,
It decomposes and implements step by step, formulate measures to rectify and reform and time limit rectification, trace analysis and examination are carried out to the implementation of conditions of measure, realize platform
The closed loop of area's management work controls.
Further, it is described with adopt operation monitoring system system to key message carry out integrate collect, united according to taiwan area
Meter power supply volume, line loss electricity, line loss per unit, has electricity user/total user at electricity sales amount, and to line loss problem preliminary classification.
Specifically, the key message includes at least power information, line loss information, taiwan area information.
Specifically, when carrying out sifting sort to unreasonable taiwan area, type line loss and type can not be calculated according to that can calculate
Line loss is classified；
For type line loss can not be calculated, according to the line loss type provided with operation monitoring system is adopted, carry out diagnosis automatically,
Relevant departments is tasked in classification, generates defect elimination task；
The case where for that can calculate type line loss, be equal to one for the ratio of electricity amount/total amount, by the taiwan area data
Sales department specific responsibility personnel are given artificially to be diagnosed；The case where one is less than for the ratio of electricity amount/total amount, import marketing
System data recalculates idealization line loss per unit；
If recalculate idealization line loss per unit, idealization line loss per unit is reasonable, then regards the line loss problem as amount problem, hand over
With dress exterior portion door processing；
If recalculate idealization line loss per unit, line loss per unit is still unreasonable, gives sales department to specialize in the taiwan area data
Personnel are artificially diagnosed.
Further, the performance assessment criteria at least line loss per unit, reality copies rate.
Further, the key link includes at least taiwan area line loss general status, negative wire damage taiwan area defect elimination situation, bar
Become distribute-electricity transformer district disposition and taiwan area regulation situation can not be calculated.
The analysis of line loss problem of the present invention and defect elimination processing method are standardized point the result of diagnosis
Class, relevant departments corresponds to the diagnostic result that need to be handled and forms normalized aggregation, using relevant departments as classification foundation, automatically generates each
Department needs the taiwan area list of defect elimination.
The analysis of line loss problem of the present invention and defect elimination processing method become platform by taiwan area low pressure interconnection investigation, bar
The taiwan area of area's low pressure interconnection investigation, distribute-electricity transformer district low pressure interconnection investigation, summary table wiring and multiplying power investigation, acquisition failure user's investigation
Line loss investigates mode, to realize the investigation management of taiwan area line loss defect elimination.
Compared with the prior art, it is an advantage of the invention that：
1. by establishing effective data analysis system, targetedly defect elimination solution is proposed for each unreasonable taiwan area
Certainly scheme, carrying out scene for field worker, efficiently defect elimination provides technical support；Make full use of informationization technology periodic analysis and meter
Taiwan area line loss situation is calculated, the dynamics of enhancing taiwan area Controlling line loss work can effectively promote the efficiency and quality of taiwan area Controlling line loss,
The high present situation of the current taiwan area line loss qualification rate of electric company can be effectively relieved；
2. structure taiwan area line loss persistently tracks mechanism of control, with the management system of systematization, integration, it is ensured that up to standard
Area can realize admittedly excellent, the below standard sustainable tracking of taiwan area, in time find taiwan area line loss per unit unusual condition and to abnormal cause into
Line trace records, and establishes a set of fine management model；
3. by taiwan area Controlling line loss fine-grained management, power grid enterprises' Controlling line loss entirety management and control energy on the one hand can be realized
On the other hand the promotion of power can realize the maximization that corporate resources utilizes.
Specific implementation method
With reference to embodiment, the present invention will be further described.
In the power system, 1 taiwan area refers to supply district or the region of transformer, is power economy operational management
Specific term.Low voltage electric network is all carried out in national grid covering domain at present and divides unit-area management.
The active power loss generated in assigning process is transmitted in power network and energy loss is referred to as line loss, referred to as
Line loss.
At the appointed time, electric current flows through generated electric energy loss or loss amount when each electrical equipment of power network, i.e.,
The electric energy that generator issues in report period is transported to user by transmission of electricity, power transformation, controller switching equipment link, generates with the shape of thermal energy
Formula is dissipated in the management loss of electricity of loss of electricity and a part of objective reality of distribution marketing link in surrounding medium, this
Two parts electric energy loss electricity just constitutes all loss of electricity of power grid.
Power network line loss per unit：Refer to the percentage that line loss electricity accounts for power supply volume, abbreviation line loss per unit, calculation formula is：
Line loss per unit=line loss electricity/power supply volume
Line loss per unit can be divided into following several classes：
(1) economic line loss per unit：Since theory wire loss is related with electric network composition and operation conditions simultaneously, so for power grid knot
The fixed circuit of structure, theory wire loss also not be a fixed value, but with the variation of the operation conditions such as supply load size and
It changes.Existing minimum theoretical line loss per unit is known as economic line loss per unit, and corresponding electric current is known as economic current.Economic line loss per unit can be
It formulates track remodelling and drop damage scheme provides foundation.
(2) plan line loss per unit：Plan line loss per unit is also referred to as quota line loss per unit, refers to superior unit or department according to power network
Practical line loss situation, by calculating, checking and approving, the line loss per unit of routine check.
(3) synchronous line loss per unit：In power supply volume, electricity sales amount statistical work, due to by meter reading means, meter reading method, the electricity charge
The factors such as recycling influence, and the nonsynchronous situation of supply and distribution occur, therefore the final data come out, often a report number
According to really cannot objectively incuding line loss real standard.
(4) asynchronous line loss per unit：Due to the presence of asynchronous electricity, in order to which clear asynchronous electricity is to comprehensive statistics line loss
The influence that rate generates, it is therefore desirable to determine the i.e. asynchronous line loss per unit of an analysis line loss per unit.
(5) theoretical loss calculation：Refer to when certain stage power network equipment and structure are under stationary state, according to grid equipment
Parameter, the method for operation, trend distribution and load level, the line loss per unit obtained by theoretical calculation.Theoretical loss calculation is to carry out mesh
One of the important evidence that graticule loss rate determines.
(6) line loss per unit is managed：Refer in operation of power networks and marketing process, due to kwh loss caused by administrative reason with
Count the percentage of power supply volume.Management line loss per unit be also formulate wastage reducing and energy saving plan, determine target line loss per unit index it is important according to
According to.
The classification of taiwan area line loss：Line loss is generally divided into two kinds by loss property：
(1) technical loss：During power network conveys and distributes electric energy, some loss can not avoid, this is
It is determined, can be obtained by theoretical calculation by the load condition of power network and the technical parameter of power supply unit.We are this portion
Divide normal rational power consumption, referred to as technical loss.
(2) line loss is managed：During power marketing, need that metering device is installed, these metering devices are different
Phenomena such as copying is estimated in the error of degree, the leakage being likely to occur in addition, can along with there are certain defects in working in marketing management
It can cause tax evasion electricity and other unexplained loss.This kind of loss is caused by poor management mostly, therefore is referred to as to manage
Line loss.
So-called Controlling line loss, exactly by technically feasible, reasonable in economy and convenient for use in actual operation one
Measure is cut, to reduce power consumption of the electric power in transmission process, the utilization rate of electric power energy is improved, to realize " with most
The best management of the small maximum economic benefit of power consumption acquirement " is pursued.
Certain power supply branch's taiwan area in May line loss general status is as follows：
Meanwhile according to EDCM line loss data statistics, May line loss per unit situation such as following table：
As can be seen that other than reasonable line loss (- 1%-10%), line loss per unit is higher to be>10% high line loss, followed by
<- 1% negative wire damage, other are the taiwan area null for not monitoring or not counting on.
Preliminary screening line loss is classified as follows table in the EDCM line loss data：
It can be seen that (having power supply volume, electricity sales amount data) under normal circumstances, " can calculate " type line loss data account for taiwan area number
According to the overwhelming majority (99% or more), but also need according to specific line loss per unit situation particular problem make a concrete analysis of.
Other line loss problems are classified：Supply side multiplying power missing, supply side table code missing, supply side table code missing supply
Electric side meter missing, supply side meter missing, supply side multiplying power missing, supply side table code value missing, supply side electricity be less than 0,
Zero load is lightly loaded, without electricity sales amount etc..
These problems are needed according to each department's responsibility, and development more targetedly carries out investigation defect elimination.
Controlling line loss is important link of the power supply enterprise in productive technology management, management, is to weigh and examine to supply
One comprehensive economy technical indicator of electric utility power grid planning construction, production technology and management level.Do line loss pipe well
Reason is that the inherently required of self-management level and economic benefit improves in power supply enterprise.
And electric company wants to know about line loss situation now, needs manually to export data from different system, makes table,
Manual calculation, in view of taiwan area substantial amounts under electric company, the data that need to be calculated are more, and artificial treatment can not guarantee that efficiency also has can
Careless omission can be had.For there are the taiwan area of line loss problem, administrative department also is difficult to track follow-up defect elimination process.For often occurring
The problem of, the management system of the feedback neither one systematization high efficiency of defect elimination process.
Certain electric company's taiwan area Controlling line loss mechanism is currently to distribute defect elimination work according to line loss data to screen by week, respectively
Relevant departments' work can not timely feedback and the processing of collaboration in time, is held to the work of taiwan area Controlling line loss without effective means
Continuous track record and statistical analysis.
Further to promote company's Production&Operations Management efficiency and benefit, optimizes Controlling line loss flow, eliminate specialized management
Barrier makes full use of system data resource, and it is target to make with " technical loss is optimal, manages loss minimization ", with information-based hand
Section manages system for the grid line loss of support becomes particularly urgent and important.
Technical scheme of the present invention provides analysis and the defect elimination processing method of a kind of line loss problem, including passes through to receive and use
Operation monitoring system, the operation of marketing system, marketing data are adopted, line loss statistics and analysis is carried out；It is described with felling and transporting capable monitoring
Service system provides the same period line loss of each taiwan area；The marketing system provides the electricity of entering an item of expenditure in the accounts of the basic information and user of user
Amount；Its inventive point is：
The data center for establishing archives records each period taiwan area line loss situation, and screening point is carried out to unreasonable taiwan area
Class carries out the taiwan area of data fluctuations exception to continue supervision；
Standardized diagnostic center is established, each reason for causing taiwan area line loss per unit unreasonable is all recorded in library, with platform
Area's type, line loss data value, which are used as, refers to foundation, formulates the normalized form of the diagnosis unreasonable reason of taiwan area, automatically gives task
Relevant departments are handled；
The defect elimination administrative center for establishing centralization, manages as a whole from top to bottom, with Diagnosis of Primary because of reference frame, completes to disappear
The task of lacking, records defect elimination process, to recall and statistics task disposition；
The reporting system of science is established, generation module, flexible report for statistical analysis to key link allow pipe
Reason layer can accurately grasp the information oneself wanted to know about.
The analysis of the line loss problem and defect elimination processing method, by taking technical measures and management measure, monthly, season,
Year, the examination of taiwan area line loss and analysis are periodically carried out, the administrative analysis to performance assessment criteria is reinforced, to existing trouble-shoots reason,
It decomposes and implements step by step, formulate measures to rectify and reform and time limit rectification, trace analysis and examination are carried out to the implementation of conditions of measure, realize platform
The closed loop of area's management work controls.
Further, it is described with adopt operation monitoring system system to key message carry out integrate collect, united according to taiwan area
Meter power supply volume, line loss electricity, line loss per unit, has electricity user/total user at electricity sales amount, and to line loss problem preliminary classification.
Specifically, the key message includes at least power information, line loss information, taiwan area information.
Specifically, when carrying out sifting sort to unreasonable taiwan area, type line loss and type can not be calculated according to that can calculate
Line loss is classified；
For type line loss can not be calculated, according to the line loss type provided with operation monitoring system is adopted, carry out diagnosis automatically,
Relevant departments is tasked in classification, generates defect elimination task；
The case where for that can calculate type line loss, be equal to one for the ratio of electricity amount/total amount, by the taiwan area data
Sales department specific responsibility personnel are given artificially to be diagnosed；The case where one is less than for the ratio of electricity amount/total amount, import marketing
System data recalculates idealization line loss per unit；
If recalculate idealization line loss per unit, idealization line loss per unit is reasonable, then regards the line loss problem as amount problem, hand over
With dress exterior portion door processing；
If recalculate idealization line loss per unit, line loss per unit is still unreasonable, gives sales department to specialize in the taiwan area data
Personnel are artificially diagnosed.
Further, the performance assessment criteria at least line loss per unit, reality copies rate.
Further, the key link includes at least taiwan area line loss general status, negative wire damage taiwan area defect elimination situation, bar
Become distribute-electricity transformer district disposition and taiwan area regulation situation can not be calculated.
The analysis of line loss problem of the present invention and defect elimination processing method are standardized point the result of diagnosis
Class, relevant departments corresponds to the diagnostic result that need to be handled and forms normalized aggregation, using relevant departments as classification foundation, automatically generates each
Department needs the taiwan area list of defect elimination.
The analysis of line loss problem of the present invention and defect elimination processing method become platform by taiwan area low pressure interconnection investigation, bar
The taiwan area of area's low pressure interconnection investigation, distribute-electricity transformer district low pressure interconnection investigation, summary table wiring and multiplying power investigation, acquisition failure user's investigation
Line loss investigates mode, to realize the investigation management of taiwan area line loss defect elimination.
The existing power information acquisition system of technical solution of the present invention combination electric company and operating charges system have base
Plinth data find out unreasonable taiwan area, and from data source and data integrality aspect, various dimensions analyze unreasonable taiwan area,
It gradually finds taiwan area unreasonable factor, and the defect elimination sequence of all kinds of influence factors is arranged by influence degree, disappear for scene
It is scarce that pointedly instruction is provided.
The technology of the present invention side from macroscopically in electric company's compass of competency all taiwan areas carry out data tracking management, and
Shi Faxian taiwan area line loss unusual conditions, and abnormal cause is tracked and recorded, the defect elimination process of below standard taiwan area is persistently tracked,
Ensure that taiwan area up to standard can be realized admittedly excellent.
The technology of the present invention side records each period taiwan area line loss situation by establishing the data centers of archives, can be to not
Reasonable taiwan area carries out sifting sort, can be supervised to the taiwan area of data fluctuations exception.
The technology of the present invention side is by establishing standardized diagnostic center, the reason that cause taiwan area line loss per unit unreasonable each
It is all recorded in library, using taiwan area type, line loss data value as foundation is referred to, the standard for formulating the diagnosis unreasonable reason of taiwan area is public
Task can be given relevant departments automatically and handled by formula.
The technology of the present invention side is managed as a whole from top to bottom by establishing the defect elimination administrative center of centralization, with Diagnosis of Primary because
Defect elimination task is completed for reference frame, defect elimination process is recorded, to recall and statistics task disposition.
The technology of the present invention side is by establishing the reporting system of science, to carrying out statistical for the key link during electricity consumption
Analysis, for taiwan area line loss general status, negative wire damages taiwan area defect elimination situation, and bar becomes distribute-electricity transformer district disposition and can not calculate taiwan area
Situation is renovated, the report of generation module allows management level that can accurately grasp the information oneself wanted to know about.
Management is investigated about the taiwan area line loss defect elimination in the technical program, is described below respectively：
A, taiwan area line loss investigates mode：
The Various types of data provided using Utilities Electric Co.'s information system carries out investigation defect elimination work according to such as under type：
According to taiwan area line loss factor is influenced, such as the interconnection of taiwan area low pressure, taiwan area summary table multiplying power and wiring, the acquisition of taiwan area user
Success rate, when three big key factors of a taiwan area were all investigated but the line loss per unit of taiwan area does not still restore reasonable situation,
Consider the possibility of the metering device failure of user's stealing and user under taiwan area.
(1) taiwan area low pressure interconnection investigation：
Taiwan area is divided into bar and becomes taiwan area and distribute-electricity transformer district.It is most of since taiwan area cutover leads to the power supply model of taiwan area that bar becomes taiwan area
It encloses and is changed, so that the taiwan area ownership of user is changed under former taiwan area.Exist in distribute-electricity transformer district a large amount of double
Power supply power supply region so that the taiwan area ownership investigation of user becomes more complicated.Since bar change taiwan area and distribute-electricity transformer district low pressure are mutual
Join situation difference, the investigation mode of use is also just different.
(2) bar becomes taiwan area low pressure interconnection investigation：
Rough analysis first is carried out to the interconnection of taiwan area low pressure with system data, then goes live investigation, both promotes working efficiency
A large amount of man power and material can be saved again.Two line loss analysis systems with the most use are with felling and transporting row monitor supervision platform at work
(EDCM) and line loss refines platform.The taiwan area topological structure of user is come by PMS system synchronizations in the two systems, together
When PMS systems taiwan area topological structure also in synchronized push to CMS system.The taiwan area user attaching of power information acquisition system
It is synchronized by CMS system, but the taiwan area ownership of power information acquisition system user is real in long-term acquisition maintenance work
Border has happened variation.Taiwan area user's topological relation of PMS systems：Taiwan area-supply terminals-user.Power information acquisition system
Taiwan area user's topological relation of system：Taiwan area-concentrator-user.By comparing PMS systems and with extraction system user low-voltage platform area
The otherness of interconnection, the user attaching for finding out taiwan area is inconsistent, forms user's taiwan area and belongs to inconsistent difference inventory.These
The taiwan area need for affiliation of user goes to scene to investigate on difference inventory.Due to the taiwan area of the non-resident user of the low pressure of 50kW or more
Ownership exists only in CMS system, cannot be belonged to by the comparing taiwan area of system.
It can be the non-resident user of low pressure of 50kW or more while with the investigation low pressure interconnection of taiwan area user's difference inventory
Taiwan area ownership also together investigate.Live investigation is carried out by belonging to uncertain user to taiwan area, is changed in PMS systems
The taiwan area of user belongs to so that the taiwan area ownership of user in systems is consistent with scene.
(3) distribute-electricity transformer district low pressure interconnection investigation
Comprising two transformers in most of power distribution room in distribution transforming, and two transformer-supplieds have identical power supply
Point, such distribution transforming are known as double distribution transformings.As soon as powering simultaneously there are two transformer in cell, it is total that also there are two different taiwan areas
May be in practice to be powered by No.1 distribution transforming, and this high level is then there are one the low layer of high-rise door with power supply
It is to be powered by No. two distribution transformings.Elevator in power distribution station in Gongjian may be powered by No.1 distribution transforming, and the water pump in Gongjian is by two
Number distribution transforming power supply.One cell is also possible to comparing verification by the transformer-supplied not in the same power distribution room, that is, matches
The plyability for becoming supply terminals in the region of power supply is high.
By being found to the analysis of distribute-electricity transformer district line loss per unit, the line loss per unit of the single taiwan area in many double distribute-electricity transformer districts is unreasonable
, but total ledger line of the two damage is reasonable.So-called total ledger line damage is reasonable, is exactly that two transformers in double distribution transformings are supplied
The sum of power supply volume of electricity is used as power supply volume, the sum of electricity sales amount of sale of electricity to be used as electricity sales amount, the electricity sales amount obtained according to adduction and confession
Range of the line loss per unit that electricity obtains in -1%~10% (requirement of Shanghai Power Company).It is drawn from backstage in EDCM systems
Go out the unreasonable distribute-electricity transformer district of all line losses per unit, being found out in conjunction with PMS systems has overlapping supply terminals in neighbouring taiwan area, be classified as double
Distribute-electricity transformer district.Judgment rules are substantially rationally waited according to the total ledger line damage in double distribute-electricity transformer districts, filter out key area distribute-electricity transformer district investigation
Inventory.The thinking that the investigation of the distribute-electricity transformer district low pressure interconnection of non-double distribution transformings becomes investigation low pressure interconnection according to bar carries out.
(4) summary table wiring and multiplying power investigation
Week same period line loss by damaging taiwan area to negative wire in EDCM systems carries out trace analysis and investigates situation to scene
Macro or mass analysis is carried out, taiwan area generates the major part of negative wire damage the reason is that since the wiring issue of total table side and the multiplying power of CT are not allowed to draw
It rises.Negative wire damage taiwan area can obtain in batches in EDCM systems, can be in distribution load supervision before distributing summary table defect elimination inventory
Summary table related data is checked in system.
In distribution load monitor system, the correlative of a summary table is acquired per 15min, shares within one day one 96 points
Value.Search the multiplying power of taiwan area summary table, three-phase voltage, three-phase current, power factor (PF) data substantially judge whether the summary table occurs
Situations such as decompression, defluidization, bridging.According to the comparing in distribution load monitor system, hair inventory is used for live summary table in batches again
Defect elimination.Summary table defect elimination includes：Bridging, anti-phase, electric current phase shortage, voltage phase shortage, electric current virtual connection, voltage virtual connection, system no-load voltage ratio
Mistake, electric meter fault and site inspection are normally not necessarily to defect elimination.Wherein, bridging refers to A, B, C three-phase electricity galvanic electricity in summary table wiring
Compression bonded line group error connection, such as：A phase current wiring mistakes take B phase voltage wiring.It is summarized in terms of summary table wiring defect elimination a set of effective
And the substantially general method of inspection：After defect elimination, first, check whether three-phase voltage has restored normal；Second, watch three-phase current
Whether it is just；Whether third, three-phase cos φ are all higher than 0.8；4th, whether ammeter does not show negative phase sequence；5th, verification three
Whether phase no-load voltage ratio is equal to rheology no-load voltage ratio in system.Collect statistics are carried out to the result of live summary table investigation, are asked for all kinds of total table sides
Topic is accumulated experience, to promote the accuracy of distribution load monitor system data analysis summary table.
(5) acquisition failure user investigation：
The user that failure is acquired in taiwan area causes the electricity sales amount of taiwan area to reduce so that the line loss per unit of taiwan area is higher.Divide below
Analyse the formation of batch capture failure defect elimination taiwan area inventory.
1) specially become user and acquire defect elimination：Specially become user's defect elimination inventory unsuccessfully to use by power information acquisition system acquisition acquisition
Family and from CMS system obtain acquisition failure specially become user's taiwan area obtain.This is become greatly and specially by the electricity consumption of special transformer terminals user
What the particularity of terminal defect elimination O&M determined.
2) collection plagiarizes family acquisition defect elimination：Platform is refined using EDCM systems and line loss, week same period line loss per unit is unreasonable
And moon marketing enters an item of expenditure in the accounts and freezes taiwan area of the ratio more than 1.1 arrangement in batches of electricity sales amount electricity/moon, when ratio is more than 1.1 just probably
Think that the taiwan area acquires unsuccessful factor and is affected to taiwan area line loss, then by needing the taiwan area for acquiring defect elimination to compare electricity consumption
The taiwan area of information acquisition system obtains acquisition defect elimination user's inventory.
According to the above two principle be respectively formed batch specially become user acquire defect elimination inventory sum aggregate plagiarize family acquisition defect elimination it is clear
It is single.
B, taiwan area line loss investigates case：
(1) taiwan area low pressure interconnection problem：
Scene investigation is pinpointed the problems：Taiwan area association is verified according to PMS Information Fields not pinpoint the problems；This time investigation is found
Taiwan area related question is (the comparison power information acquisition that do not adjusted on PMS after being split in a distribution transforming by 1 building early period
System and EDCM system users are found) caused by, it is missed in construction team's investigation.
Roadmap：Taiwan area is associated with, mainly the multiple taiwan areas of distribution transforming or the positive and negative damage situation of adjacent taiwan area are integrated
Analysis；In conjunction with EDCM and power information acquisition system, concentrator low pressure acquires user and is associated with directive property effect to taiwan area, for
Acquisition system acquire unsuccessful user and EDCM user it is inconsistent need selective analysis.
(2) summary table wiring issue：
Scene investigation is pinpointed the problems：Find that 2 negative damage taiwan area summary table power factors are abnormal in distribution load monitor system,
The power factor (PF) of two taiwan area summary tables is all relatively low, is below 0.8.
Roadmap：Whether summary table quantitative relation is accurate to taiwan area power supply volume, and handling negative damage taiwan area will confirm that summary table measures
With the accuracy of no-load voltage ratio.
(3) stealing problem：
Scene investigation is pinpointed the problems：It has found that there are user's stealings for 3 taiwan areas in current 6 taiwan areas, is related to user 19 altogether
Electricity 851.59 is lost at family；Being worth larger taiwan area to 3 positive damages influences big, and is entered an item of expenditure in the accounts electricity reduction electricity by CMS system user
It is qualified that line loss per unit is calculated after amount.
Roadmap：The analytic function of opposing electricity-stealing in power information acquisition system is first passed through, doubting in a taiwan area is positioned
Like stealing user, scene is again by slapping machine copy controller, clamp on amperemeter realization to stealing user power-off stealing number, nearest stealing
The accurate measurement of time, stealing loss electricity.The common stealing mode in scene has：Firewire inlet-outlet line short circuit, at switch, at fuse
Inlet-outlet line short circuit.
After technical solution using the present invention, certain electric company is by taiwan area line loss data in May (scheme implement before) and August platform
Area's line loss data are compared (after scheme is implemented), are substantially carried out taiwan area line loss per unit and are compared and taiwan area defect elimination efficiency comparative.
1, the reasonable rate comparison of taiwan area：
May taiwan area line loss general status：
Each all taiwan area line loss general statuses of August：
Comparative analysis：
May, the reasonable rate average value of taiwan area was 50.09%, and the reasonable rate average value of August taiwan area is 56.19%.August compares May
The reasonable rate of taiwan area line loss rises 6.1%.
May, each all reasonable rates of taiwan area were 50% or so, floated up and down 1%, each all reasonable rates of taiwan area of August 56% or so,
Float up and down 1%.
By May, each all reasonable rate rings of taiwan area of August than comparison it is found that the overall week reasonable rate more each than May of August has one
Fixed promotion.
2, taiwan area line loss per unit compares：
EDCM line loss data statistics line loss per unit in May situations such as following table：
EDCM line loss data statistics August line loss per unit situations such as following table：
Comparative analysis：
According to EDCM data, May, August are as follows by line loss type comparative analysis.
Reasonable line loss (- 1%-10%) May is 51%, and August 56%, August promotes 5% than May.
Negative wire damage (<- 1%), May 32%, August 31%, August reduce by 1% than May.
High line loss (>10%), May 13%, August 9%, August reduce by 4% than May.
Line loss can not be calculated, in May 4%, August 4%, August maintains an equal level than May.
3, taiwan area defect elimination efficiency comparative：
(1) situation before implementation the technical program：
Certain electric company's taiwan area line loss defect elimination work is due to multiple departments, including sales department, transport inspection department, acquisition class, capital construction
Portion and correlation engineering team etc., line loss investigate Coordination Treatment working condition complexity, and there is no establish related defect elimination rate statistical mechanism.
Each all line loss defect elimination work can count and summarize and next week preliminary project arrangement by sales department at present.General line loss
Problem and situation were completed and were summarized by 1 week work period after all work plans, and unfinished is extended to next week.Disappear
Lack work distributes circulation also without effective management supervision mechanism, and the work of part line loss defect elimination may continued over many weeks.
(2) situation after implementation the technical program：
It establishes after unit-area management persistently manages follow-up mechanism, realizes and carry out analyzing processing, line based on system line loss data
Damage work management mode can carry out distributing processing in real time by platform, and the Preliminary Practice to be worked by August line loss, every line loss is asked
Topic processing promptness can be shorten to 2 days or so from 7 days or so.Line loss data analysis and defect elimination task realize fine-grained management, root
Rationally circulate timely processing and closed loop according to operation flow.According to August it was verified that overall defect elimination efficiency is promoted than original
30%.
Due to technical scheme of the present invention, the unreasonable taiwan area of line loss data is found by data analysis, and targetedly
Proposition defect elimination solution, for taiwan area line loss defect elimination work provide targetedly instruction.By establishing having for row
The data analysing method of effect proposes targetedly defect elimination solution for each unreasonable taiwan area, is showed for field worker
Efficiently defect elimination provides technical support, is effectively relieved that the current taiwan area line loss qualification rate of each electric company is high to be showed
Shape；Building taiwan area line loss persistently tracks mechanism of control simultaneously, ensures taiwan area energy up to standard with the idea in management of systematization, integration
It is enough to realize solid excellent, the below standard sustainable tracking of taiwan area, find taiwan area line loss per unit unusual condition in time, and to abnormal cause carry out with
Track records, and then defect elimination processing, the management mode of " closed loop " are realized to the feedback of defect elimination process.
It the method can be widely used in management of power supply and power utilization and Controlling line loss field.
Claims (8)
1. analysis and the defect elimination processing method of a kind of line loss problem, including by receiving with adopting operation monitoring system, marketing system
Operation, marketing data, carry out line loss statistics and analysis；It is described to provide the same of each taiwan area with adopting operation monitoring system system
Phase line loss；The marketing system provides the electricity of entering an item of expenditure in the accounts of the basic information and user of user；It is characterized in that：
The data center for establishing archives records each period taiwan area line loss situation, and sifting sort is carried out to unreasonable taiwan area, right
The taiwan area of data fluctuations exception carries out continuing supervision；
Standardized diagnostic center is established, each reason for causing taiwan area line loss per unit unreasonable is all recorded in library, with taiwan area class
Type, line loss data value, which are used as, refers to foundation, formulates the normalized form of the diagnosis unreasonable reason of taiwan area, task is given correlation automatically
Department is handled；
The defect elimination administrative center for establishing centralization, manages as a whole from top to bottom, with Diagnosis of Primary because of reference frame, completes defect elimination and appoints
Business, records defect elimination process, to recall and statistics task disposition；
The reporting system of science is established, generation module, flexible report for statistical analysis to key link allow management level
The information oneself wanted to know about can accurately be grasped.
The analysis of the line loss problem and defect elimination processing method, by taking technical measures and management measure, monthly, season, year, it is fixed
Phase carries out the examination of taiwan area line loss and analysis, reinforces the administrative analysis to performance assessment criteria and divides step by step existing trouble-shoots reason
Solution is implemented, and measures to rectify and reform and time limit rectification are formulated, and is carried out trace analysis and examination to the implementation of conditions of measure, is realized unit-area management
The closed loop of work controls.
2. analysis and the defect elimination processing method of line loss problem described in accordance with the claim 1, it is characterized in that described with felling and transporting row
Monitoring system system to key message carry out integrate collects, according to taiwan area count power supply volume, electricity sales amount, line loss electricity, line loss per unit,
There is electricity user/total user, and to line loss problem preliminary classification.
3. the analysis of line loss problem and defect elimination processing method according to claim 2, it is characterized in that the key message
Including at least power information, line loss information, taiwan area information.
4. analysis and the defect elimination processing method of line loss problem described in accordance with the claim 1, it is characterized in that unreasonable taiwan area
When carrying out sifting sort, classify according to that can calculate type line loss and type line loss can not be calculated；
For type line loss can not be calculated, according to the line loss type provided with operation monitoring system is adopted, diagnose automatically, divides
Class tasks relevant departments, generates defect elimination task；
The case where for that can calculate type line loss, be equal to one for the ratio of electricity amount/total amount, which is given
Sales department specific responsibility personnel are artificially diagnosed；The case where one is less than for the ratio of electricity amount/total amount, import marketing system
Data recalculate idealization line loss per unit；
If recalculate idealization line loss per unit, idealization line loss per unit is reasonable, then regards the line loss problem as amount problem, give dress
The processing of exterior portion door；
If recalculate idealization line loss per unit, line loss per unit is still unreasonable, gives sales department to specialize in personnel the taiwan area data
Artificially diagnosed.
5. analysis and the defect elimination processing method of line loss problem described in accordance with the claim 1, it is characterized in that the performance assessment criteria
At least line loss per unit, reality copy rate.
6. analysis and the defect elimination processing method of line loss problem described in accordance with the claim 1, it is characterized in that the key link
Become distribute-electricity transformer district disposition including at least taiwan area line loss general status, negative wire damage taiwan area defect elimination situation, bar and platform can not be calculated
Area renovates situation.
7. analysis and the defect elimination processing method of line loss problem described in accordance with the claim 1, it is characterized in that the line loss problem
Analysis and defect elimination processing method, classification is standardized for the result of diagnosis, relevant departments corresponds to the diagnosis knot that need to be handled
Fruit shape is at normalized aggregation, and using relevant departments as classification foundation, automatically generating each department needs the taiwan area list of defect elimination.
8. analysis and the defect elimination processing method of line loss problem described in accordance with the claim 1, it is characterized in that the line loss problem
Analysis and defect elimination processing method, by taiwan area low pressure interconnection investigation, bar become taiwan area low pressure interconnection investigation, distribute-electricity transformer district low pressure it is mutual
Townhouse is looked into, summary table wiring and multiplying power investigation, the taiwan area line loss of acquisition failure user's investigation investigate mode, to realize that taiwan area line loss disappears
Lack investigation management.
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| CN109670641A (en) * | 2018-12-18 | 2019-04-23 | 国网山东省电力公司青岛市黄岛区供电公司 | Line loss based on acquisition success rate does not cover platform area prediction alarm method |
| CN109670641B (en) * | 2018-12-18 | 2023-04-07 | 国网山东省电力公司青岛市黄岛区供电公司 | Line loss uncovered transformer area prediction alarm method based on acquisition success rate |
| CN109726986A (en) * | 2018-12-24 | 2019-05-07 | 国网江苏省电力有限公司扬州供电分公司 | A kind of management method of same period line loss |
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| CN111984629A (en) * | 2020-08-31 | 2020-11-24 | 南京工程学院 | Method for constructing platform area line loss rate standard library based on data mining under multidimensional scene |
| CN112308732A (en) * | 2020-10-21 | 2021-02-02 | 国网冀北电力有限公司计量中心 | Intelligent management platform for line loss of transformer area based on artificial intelligence and data interaction simulation technology |
| CN112330225A (en) * | 2020-12-02 | 2021-02-05 | 国网江苏省电力有限公司常州供电分公司 | Method, server and medium for obtaining influence degree of line loss influence factor through server |
| CN112330225B (en) * | 2020-12-02 | 2022-08-30 | 国网江苏省电力有限公司常州供电分公司 | Method, server and medium for obtaining influence degree of line loss influence factor through server |
| CN113159339A (en) * | 2021-04-20 | 2021-07-23 | 国网江西省电力有限公司信息通信分公司 | One-region one-index line loss management method and system based on big data |
| CN113159339B (en) * | 2021-04-20 | 2023-08-04 | 国网江西省电力有限公司信息通信分公司 | One-area one-index line loss management method and system based on big data |
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| CN114236283B (en) * | 2021-12-15 | 2024-02-13 | 广东电网有限责任公司 | Method and device for determining line loss reason of power supply network |
| CN116703368A (en) * | 2023-08-08 | 2023-09-05 | 国网信通亿力科技有限责任公司 | Synchronous line loss intelligent closed-loop monitoring method based on data mining |
| CN116703368B (en) * | 2023-08-08 | 2023-10-13 | 国网信通亿力科技有限责任公司 | Synchronous line loss intelligent closed-loop monitoring method based on data mining |
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