CN106291252B - A kind of 10kV line loss and low-voltage platform area line loss management analysis method - Google Patents
A kind of 10kV line loss and low-voltage platform area line loss management analysis method Download PDFInfo
- Publication number
- CN106291252B CN106291252B CN201610825451.8A CN201610825451A CN106291252B CN 106291252 B CN106291252 B CN 106291252B CN 201610825451 A CN201610825451 A CN 201610825451A CN 106291252 B CN106291252 B CN 106291252B
- Authority
- CN
- China
- Prior art keywords
- line loss
- platform area
- analysis method
- low
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- G01R31/088—Aspects of digital computing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of 10kV line loss and low-voltage platform area line loss management analysis method belong to for electrical domain.It is by establishing matching net wire loss Standardized Management Pattern and Controlling line loss system；Comb the links of line loss work, hold the focus of Controlling line loss, it is formed with dotted Controlling line loss mode, pass through clarification in certain roles, tacit agreement cooperation, lead integrated Controlling line loss mode, it gradually reduces power supply enterprise's line loss per unit, reduces the power consumption during power supply and distribution, to improve power supply enterprise's economic value added；By establishing standardized Controlling line loss application system, the work such as positioning, high load improving distribution transformer, platform area sharing of load are reported for repairment for user malfunction, and aid decision support is provided, effectively reduce because of breakdown repair not in time, phenomena such as overload causes equipment damage for a long time generation, significantly reduce power supply enterprise's economic loss value.It can be widely used for management of power supply and power utilization and energy-saving field.
Description
Technical field
The invention belongs to power supply management field more particularly to it is a kind of for 10kV route and the line loss analyzing of low-voltage platform area,
Management method.
Background technique
Line loss is power network loss caused in the links such as the conveying, distribution, management of electric energy.
Line loss per unit is an important performance index of power supply enterprise, and the Production&Operations Management for reflecting enterprise is horizontal, directly
Influence the operating cost and economic benefit of enterprise.Effectively control line loss per unit is industry energy conservation consumption reduction, increases economic efficiency, realizes
The important means of sustainable development.
With the propulsion of State Grid Corporation of China " the last one three is excellent " Modern Corporation developing goal, Controlling line loss has incorporated confession
The electric important performance index scope of company proposes requirements at the higher level to line loss control.From the point of view of management system, line loss control is related to crowd
More functional departments cooperate, in terms of managing line loss, the collaboration of technical loss index need exchange more closely and
Cooperation.
The Controlling line loss of power distribution network (abbreviation distribution), is broadly divided into low-voltage platform area Controlling line loss and 10 kilovolts and the above outlet
Controlling line loss two large divisions.Low-voltage platform area line loss is primarily referred to as becoming by bar, as unit of distribution transforming, and each transformer institute is for region (platform
Area) line loss；10 kilovolts and the above outlet line loss refer to the line loss of 10 kilovolts and the above special line, non-special line.
The relevant device that 10 kilovolts and the above outlet route Controlling line loss are related to mainly has negative control terminal, long-range management eventually
End, kilowatt-hour meter, load monitoring terminal etc., various equipment and master station communication mostly use greatly the mode of wireless public affairs/private network or carrier wave into
Row.
Low-voltage platform area Controlling line loss is always the key points and difficulties of matching net wire loss management.Since low-voltage platform area is large number of,
Lack technological means, line loss fine-grained management work relatively lags behind.
The Controlling line loss work of line loss has had certain fining horizontal at present, either from system or in management
Substantially meet the needs of fine-grained management.But at two aspect of systems and management, there is also a series of problems, mainly have following several
Aspect problem:
1, each related system and interface problem are more prominent.
The system integration Shanghai Power Network production management system (PMS), the big information system of marketing system (CMS) 2 and electric flux
The big acquisition system of acquisition system, Load Control Management System, centralized meter-reading system etc. 6, information integration degree is high, and it is public almost to cover power supply
Take charge of all acquisition systems.But it because the developer of each system is different, interface and link are more, in actual operation, encounters more
The problem of in terms of system and interface.
2, lack unified information access specification.
3, it is related to department, profession is more, lacks effective unified management.
4, communication issue restricts larger.Influenced by many reasons, cable shielding layer carrier communication and GPRS public network without
Line mode, there are problems that signal be difficult to cover, the communication qualities such as jitter, cause shortage of data, burr, mutation etc. existing
The generation of elephant produces certain influence to line loss comparison.
5, defect elimination problem is more prominent.Due to participating in a variety of causes such as integrated information system, terminal device substantial amounts
Caused by defect elimination pressure it is big, defect location difficulty is big.
So in actual operation, there is an urgent need to 10kV line loss and low-voltage platform area line loss management analysis method carry out into
The refinement of one step improves its technological means, quickly searches failure cause and provides the treatment measures of standard, finds out existing for status
Problem improves the management level of line loss fining to tackle the problem at its root.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of 10kV line loss and low-voltage platform area line loss management analysis methods.
It proposes reasonable suggestion by the research to route Controlling line loss related fields, in technological layer system problem, formulates work
Make process, management method, to improve the monthly integrality and reasonability of track data, keeps system data more credible, reliably, be
It opposes electricity-stealing and more strong data support is provided, to increase economic efficiency.
The technical scheme is that providing
A kind of 10kV line loss and low-voltage platform area line loss management analysis method, including the analysis of platform area basic data, platform area line loss
Statistics, power supply side data analysis, sale of electricity side data and line loss abnormality processing, it is characterized in that:
The 10kV line loss and low-voltage platform area line loss management analysis method, by establishing matching net wire loss standardized management mould
Formula is established and is related to the multi-specialized line loss of program plan, construction retrofit, production technology, management and running, power marketing, electrical energy measurement
Management system；The links that line loss work is combed by system, clear the inner link of work in every, hold Controlling line loss
Focus, formed with dotted Controlling line loss mode, replace past sheet, the management mode of planar, by clarification in certain roles,
Tacit agreement cooperation, leads integrated Controlling line loss mode, to gradually reduce power supply enterprise's line loss per unit, during reducing power supply and distribution
Power consumption, to improve power supply enterprise's economic value added；
The 10kV line loss and low-voltage platform area line loss management analysis method, for the most common failure in defect elimination work, system
Fixed reasonable load monitoring terminal operating situation analysis method；The failure occurred is summarized, and every kind of failure is analyzed, is established
Basic treating method forms success experience library；Corresponding management evaluation method is formulated, defect elimination work is hung with equipment owner
Hook makes defect elimination woprk standardization, procedure；
Wherein, the most common failure, put more than a day including at least A, B, C three-phase voltage there is negative value, numerical value is greater than
290V is less than 150V, and A, B, C three-phase current, which are put more than a day, negative value is occurred or be zero, and active-power P, power factor (PF) cos φ are
Negative value, positive active energy, capacity of idle power numerical value are negative value, and when transformer load rate is greater than 10%, active comparison is being greater than
10% or be less than -10%, reactive power Q numerical exception, day the reversed big situation of capacity of idle power numerical value；
The 10kV line loss and low-voltage platform area line loss management analysis method, establishes standardized Controlling line loss application body
System, by for user malfunction report for repairment positioning, high load improving distribution transformer, platform area sharing of load work assistant decision making support is provided
It holds, effectively reduces because of breakdown repair not in time, for a long time that overload causes equipment damage phenomenon to occur, significantly reduce power supply enterprise's economy
Penalty values.
Specifically, the 10kV line loss and low-voltage platform area line loss management analysis method, carry out pipe using following method
Reason analysis:
1) using power supply company 110kV, 35kV substation as sample, statistics main transformer, route are stood with the electric flux become, formation
Electric energy balance statistics, the relationship of analysis power station electric flux unbalance factor and main transformer, line load formulate the power station 110kV, 35kV
Electric energy balance standard；
2) incentive mechanism and standard of Controlling line loss are established, it is fair and reasonable to adapt to multi-level demand, and focusing on actual effects property,
To transfer the work incentive of power supply enterprise employee；
3) analysis causes all kinds of factors of line loss, and targetedly proposes solution, is driven and is managed using Reducing Loss by Technology Means
By the reduction of line loss per unit, the reduction of statistical line losses rate is driven using suggestion on management；
4) the Controlling line loss mode for designing power supply enterprise's mixed type highlights core of the Controlling line loss in daily management and makees
With making line loss strategic objective organically blend with company overall strategy target, expand functional department's job stream, by line loss pipe
Workflow solidification, institutionalization, standardization are managed, formation is through the successful operable model of practice test.
Specifically, the 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase voltage one day
The case where negative value occurs in multiple spot, numerical value is greater than 290V or is less than 150V, the judgement and defect elimination of failure are carried out by following methods:
If a. phase voltage is zero
Breakdown judge: A phase voltage is zero in 24 hours, and zero phase voltage numerical value and other two voltages are close, judges live A
Phase voltage phase misconnection is to zero phase；
Field service: check that three-phase current, voltage link situation are correctly connected for phase wrong phenomenon with live phase
It connects；
If b. phase voltage is abnormal
Breakdown judge: C phase voltage is lower than 150V in 24 hours, judges that live C phase voltage wire clamp falls off or contacts not close；
Field service: check that three-phase voltage wiring condition is fastened with insulating tape in time for wire clamp obscission.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase current one
The case where its multiple spot negative value occurs or is zero carries out the judgement and defect elimination of failure by following methods:
A. electric current is negative value:
Breakdown judge: B phase current 24 hours are negative value, belong to current data exception, judge that current transformer connects into and out of line
Line mistake；
Locate lack measure: place shortage of staff person step on bar check items current transformer into and out of line direction, wiring of righting the wrong；
B. electric current is zero for a long time:
Breakdown judge: A phase current 24 hours are zero, and Zero-phase current numerical value is close with B, C phase two；It is different to belong to current data
Often, judge that current transformer damage or wiring fall off；
Locate to lack measure: place shortage of staff person steps on bar and checks whether current transformer is abnormal, replaces faulty equipment；If wiring falls off
It is fastened with screwdriver, prevents failure from occurring again.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for active-power P, power
The case where factor cos φ is negative value carries out the judgement and defect elimination of failure by following methods:
Breakdown judge: active-power P, power factor (PF) cos φ are negative value, and electricity statistics has exception, judge that load is supervised
Terminal meter device is surveyed to break down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for positive active energy, nothing
The case where function SOC values are negative value carries out the judgement and defect elimination of failure by following methods:
Breakdown judge: positive active power, reactive power are all negative value, and load monitoring terminal is unable to complete normal electricity
Statistical work；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Further,
The 10kV line loss and low-voltage platform area line loss management analysis method, for being greater than 10% in transformer load rate
When, it is active to compare the case where being greater than 10% or being less than -10%, the judgement and defect elimination of failure are carried out by following methods:
Breakdown judge: it is active to compare there are multiple spot exception, judge that load monitoring terminal meter device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Further,
The 10kV line loss and low-voltage platform area line loss management analysis method, the case where for reactive power Q numerical exception,
The judgement and defect elimination of failure are carried out by following methods:
Breakdown judge: there is negative value, numerical exception in reactive power Q, and electricity statistics has exception, judges load monitoring terminal
Metering device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, capacity of idle power reversed for day
The big situation of numerical value carries out the judgement and defect elimination of failure by following methods:
Breakdown judge: there is exception in reversed capacity of idle power numerical exception, electricity statistics, judge that load monitoring terminal meter fills
Set failure；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Compared with the prior art, the invention has the advantages that
1. by establishing matching net wire loss Standardized Management Pattern, foundation be related to program plan, construction retrofit, production technology,
The multi-specialized Controlling line loss system such as management and running, power marketing, electrical energy measurement；Each ring of line loss work is combed by system
Section, clears the inner link of work in every, holds the focus of Controlling line loss, is formed with dotted Controlling line loss mode, is taken
For past sheet, the management mode of planar, is cooperated by clarification in certain roles, tacit agreement, lead integrated Controlling line loss mode, come
Power supply enterprise's line loss per unit is gradually reduced, the power consumption during power supply and distribution is reduced, to improve power supply enterprise's economic value added
(EVA)。
2. the failure of metering device can be found in time, improves ability of opposing electricity-stealing by the comparing to anomalous line,
Direct, active influence is played to the raising of economic benefit.
3. the integrality and reasonability of data can be improved by the development of the technical program, raising can carry out data ratio
Pair number of, lines and quality, to be more conducive to increasing economic efficiency.
Detailed description of the invention
Fig. 1 is platform area of the present invention basic data analysis schematic diagram；
Fig. 2 is platform area of the present invention line loss statistics schematic diagram；
Fig. 3 is present invention power supply side data analysis schematic diagram；
Fig. 4 is sale of electricity side data analysis schematic diagram of the present invention；
Fig. 5 is line loss abnormality processing schematic diagram of the present invention.
Specific embodiment
The present invention will be further described below.
It is a huge informationization integration project that line loss, which refines platform, is integrated with production management system (PMS), battalion
Pin system (CMS), integrated data platform, Electric Energy Acquisition System, SCADA system, D-SCADA system, centralized meter-reading system and load
All systems related with generated energy acquisition such as management system, provide foundation for Controlling line loss.
Load monitoring management work is the important link guarantee of electric power enterprise unit-area management and lean production management, and
When, correctly include and analyze 10 kilovolts of distribution transformer load data, provide correct effective foundation for the inquiry of planning, design and work, really
Protect safe and stable, the reliability service of power supply branch's distribution.
Distribution transformer load monitoring system is mainly that platform area line loss compares offer power supply side data, is covered in the installation of load monitoring terminal
After the completion of lid, sale of electricity side data can be provided for common line.
Electric Energy Acquisition System is designed as the preamble part of integrated data platform, and the electric energy data of acquisition enters comprehensive number
According to platform, the functions such as data statistic analysis, user query are all based on integrated data platform realization.
There are three kinds of K-type (switchyard), p-type (looped network station) and W type (open air station) in 10 KV distribution station of Shanghai Power Network, simultaneously also
Become configured with bar.Distribution SCADA system (hereinafter referred to as D-SCADA) is the system of the information collection to various types power distribution station,
D-SCADA system has data-interface by Real-time Data Center and power transmission and distribution production management system.
D-SCADA system mainly acquires the electric energy information of power distribution station, refines in platform 10 kilovolts or more for line loss
Route provides data.
Negative control system original name Shanghai City power load control system, after be renamed as Shanghai City power load management system.System
System applies computer technology, telecommunication technology, network technique and automatic control technology, is a whole set of to Shanghai master
Large power customers are wanted to carry out real-time load monitoring, dynamic equilibrium control, load data acquisition, remote automatic meter reading, power quality
The integrated system of monitoring and demand side management.The means of communication of system is based on 230 wireless dedicated communications networks, and wireless public network is
It is auxiliary.
Negative control system is as 10 kilovolts and one of the main source of Above Transmission Lines sale of electricity side data, in line loss fine-grained management
In play great effect.
Technical solution of the present invention provides a kind of 10kV line loss and low-voltage platform area line loss management analysis method, invention
Point is:
In 10kV route As-Is analysis, summary analysis is carried out to the route status in current power supply company region, to special
Line is analyzed one by one, combs out line loss per unit abnormal cause accounting situation, and the department be related to Controlling line loss and unit carry out skill
With managerial investigation and analysis in art, the problem of it exists both ways is summarized, for the upper problem of technical and management, proposes to build
If the opinion of property, Controlling line loss level is effectively improved；
In the As-Is analysis of low-voltage platform area, summary analysis is carried out to current power supply company, the area Nei Tai, region status, is combed
Line loss per unit qualification platform area and abnormal platform area user property accounting situation out, analyze the feature in line loss exception platform area, for difference
Platform area line loss status, by model to platform area line loss carry out analysis and arrangement, find out influence line loss factor, then rationally effectively
Eliminate the effects of the act, form continuous platform area line loss changing tendency curve, be better understood by each area for power supply company policymaker
The analysis of line loss situation of change and influence factor establishes the reasonable value that data basis is platform area line loss and customizes calibration standard really, is platform
Area's line loss, which debases the standard, provides foundation, rationally and in exception provides theory in differentiation platform area line loss for power supply company's Controlling line loss person
Foundation；
The 10kV line loss and low-voltage platform area line loss management analysis method, by establishing matching net wire loss standardized management mould
Formula, foundation are related to the multi-specialized line such as program plan, construction retrofit, production technology, management and running, power marketing, electrical energy measurement
Damage management system；The links that line loss work is combed by system clear the inner link of work in every, hold line
The focus of management is damaged, is formed with dotted Controlling line loss mode, replaces the management mould of past sheet, planar
Formula is cooperated by clarification in certain roles, tacit agreement, leads integrated Controlling line loss mode, to gradually reduce power supply enterprise's line loss per unit, subtract
Power consumption during few power supply and distribution, to improve power supply enterprise's economic value added；
The 10kV line loss and low-voltage platform area line loss management analysis method, establishes standardized Controlling line loss application body
System, provides aid decision by reporting the work such as positioning, high load improving distribution transformer, platform area sharing of load for repairment for user malfunction
Support, effectively reduce because of breakdown repair not in time, phenomena such as overload causes equipment damage for a long time generation, significantly reduce power supply enterprise
Economic loss value.
Specifically, the 10kV line loss and low-voltage platform area line loss management analysis method, carry out pipe using following method
Reason analysis:
1) using power supply company 110kV, 35kV substation as sample, statistics main transformer, route are stood with the electric flux become, formation
Electric energy balance statistics, the relationship of analysis power station electric flux unbalance factor and main transformer, line load formulate the power station 110kV, 35kV
Electric energy balance standard；
2) incentive mechanism and standard of Controlling line loss are established, it is fair and reasonable to adapt to multi-level demand, and focusing on actual effects property,
To transfer the work incentive of power supply enterprise employee；
3) analysis causes all kinds of factors of line loss, and targetedly proposes solution.It is driven and is managed using Reducing Loss by Technology Means
By the reduction of line loss per unit, the reduction of statistical line losses rate is driven using suggestion on management；
4) the Controlling line loss mode for designing power supply enterprise's mixed type highlights core of the Controlling line loss in daily management and makees
With making line loss strategic objective organically blend with company overall strategy target, expand functional department's job stream, by line loss pipe
Workflow solidification, institutionalization, standardization are managed, formation is through the successful operable model of practice test.
Specifically, the 10kV line loss and low-voltage platform area line loss management analysis method, for common in defect elimination work
Failure formulates reasonable load monitoring terminal operating situation analysis method；The failure occurred is summarized, and every kind of failure is divided
Basic treating method is established in analysis, forms success experience library；Corresponding management evaluation method is formulated, by defect elimination work and equipment
Owner's hook, makes defect elimination woprk standardization, procedure；
Wherein, the most common failure, put more than a day including at least A, B, C three-phase voltage there is negative value, numerical value is greater than
290V is less than 150V, and A, B, C three-phase current, which are put more than a day, negative value is occurred or be zero, active-power P, power factor (PF)It is negative
Value, positive active energy, capacity of idle power numerical value are negative value, and when transformer load rate is greater than 10%, active comparison is being greater than
10% or be less than -10%, reactive power Q numerical exception, day reversed capacity of idle power numerical value it is big situations such as.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase voltage one
The case where negative value occurs in its multiple spot, numerical value is greater than 290V or is less than 150V, the judgement and defect elimination of failure are carried out by following methods:
If a. phase voltage is zero
Breakdown judge: A phase voltage is zero in 24 hours, and zero phase voltage numerical value and other two voltages are close, judges live A
Phase voltage phase misconnection is to zero phase；
Field service: check that three-phase current, voltage link situation are correctly connected for phase wrong phenomenon with live phase
It connects；
If b. phase voltage is abnormal
Breakdown judge: C phase voltage is lower than 150V in 24 hours, judges that live C phase voltage wire clamp falls off or contacts not close；
Field service: check that three-phase voltage wiring condition is fastened with insulating tape in time for wire clamp obscission.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase current one
The case where its multiple spot negative value occurs or is zero carries out the judgement and defect elimination of failure by following methods:
A. electric current is negative value:
Breakdown judge: B phase current 24 hours are negative value, belong to current data exception, judge that current transformer connects into and out of line
Line mistake；
Locate lack measure (place lack be handle defect abbreviation, similarly hereinafter): place shortage of staff person step on bar check items current transformer into,
Outlet direction, wiring of righting the wrong；
B. electric current is zero for a long time:
Breakdown judge: A phase current 24 hours are zero, and Zero-phase current numerical value is close with B, C phase two；It is different to belong to current data
Often, judge that current transformer damage or wiring fall off；
Locate to lack measure: place shortage of staff person steps on bar and checks whether current transformer is abnormal, replaces faulty equipment；If wiring falls off
It is fastened with screwdriver, prevents failure from occurring again.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for active-power P, power
FactorThe case where for negative value, passes through judgement and defect elimination that following methods carry out failure:
Breakdown judge: active-power P, power factor (PF)It is all negative value, electricity statistics has exception, judges load monitoring
Terminal meter device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status.If faulty equipment can not be repaired, spare unit are directly replaced.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, for positive active energy, nothing
The case where function SOC values are negative value carries out the judgement and defect elimination of failure by following methods:
Breakdown judge: positive active power, reactive power are all negative value, and load monitoring terminal is unable to complete normal electricity
Statistical work；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status.If faulty equipment can not be repaired, spare unit are directly replaced.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, in transformer load rate
It is active to compare the case where being greater than 10% or being less than -10% when greater than 10%, the judgement of failure is carried out by following methods and is disappeared
It lacks:
Breakdown judge: it is active to compare there are multiple spot exception, judge that load monitoring terminal meter device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status.If faulty equipment can not be repaired, spare unit are directly replaced.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, it is different for reactive power Q numerical value
Normal situation carries out the judgement and defect elimination of failure by following methods:
Breakdown judge: there is negative value, numerical exception in reactive power Q, and electricity statistics has exception, judges load monitoring terminal
Metering device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Further, the 10kV line loss and low-voltage platform area line loss management analysis method, capacity of idle power reversed for day
The big situation of numerical value carries out the judgement and defect elimination of failure by following methods:
Breakdown judge: there is exception in reversed capacity of idle power numerical exception, electricity statistics, judge that load monitoring terminal meter fills
Set failure；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal with data line connected load and each data of computer check are joined
Number, by inputting operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
In Fig. 1, the platform area basic data of the technical program is analyzed, primarily directed to the electricity system information of low-voltage platform area and user
The basic information of information etc. is collected, arranges and analyzes, and to ensure the accuracy of platform area basic information, these are carried out
Basic data of the processed accurate data as platform area line loss analyzing.Specifically include that the electricity system analysis to each area, to platform area
It carries out the comparison of PMS and CMS user information and customer analysis etc. is carried out to each area.
In Fig. 2, the platform area line loss statistical analysis of the technical program mainly obtains the data of platform area supply side and sale of electricity side
Line loss per unit is calculated, and for statistical analysis for these line losses per unit.It specifically includes that and obtains platform area line loss statistical data, Tai Qu
Line loss per unit calculates, abnormal platform area's line loss per unit alarm, platform area line loss per unit compares and the unit line loss data statistics of electricity system.
In Fig. 3, the power supply side data analysis of the technical program refers to occur abnormal platform area for line loss per unit, is powered
The analysis of measured data analyses whether it is since the exception of power supply measured data results in the exception of line loss per unit.Specifically include that acquisition is different
Chang Taiqu power supply measured data, the alarm of supply side abnormal data and abnormal electrical power supply data reparation.
In Fig. 4, the sale of electricity side data of the technical program is analyzed, and is referred to occur abnormal platform area for line loss per unit, is sold
The analysis of electric side data analyses whether it is since the exception of sale of electricity side data results in the exception of line loss per unit.Specifically include that acquisition
Abnormal platform area sale of electricity side data, sale of electricity side Electricity customers situation, zero power situation in electricity sales amount, assorted item electricity feelings in electricity sales amount
It is moved back in condition, electricity sales amount and mends meter reading quality condition in charge condition and electricity sales amount.
In Fig. 5, the abnormal line loss of the technical program is handled, and refers to that the platform area for line loss per unit exception has carried out data analysis
After work, the reason for leading to the possibility of line loss per unit exception is formed, related personnel is arranged targetedly to be worked, eliminates line loss per unit
Abnormal situation.It specifically includes that form the possible reason of line loss, internal field work disposal, outfield work disposal and line loss defect elimination
Technical solution of the present invention, by establishing matching net wire loss Standardized Management Pattern, system combs each of line loss work
A link clears the inner link of work in every, holds the focus of Controlling line loss, is formed with dotted Controlling line loss mould
Formula replaces past sheet, the management mode of planar, is cooperated by clarification in certain roles, tacit agreement, leads integrated Controlling line loss mould
Formula reduces the power consumption during power supply and distribution to gradually reduce power supply enterprise's line loss per unit.
It invention can be widely used in management of power supply and power utilization and energy-saving field.
Claims (9)
1. a kind of 10kV line loss and low-voltage platform area line loss management analysis method, including the analysis of platform area basic data, platform area line loss system
Meter, power supply side data analysis, sale of electricity side data and line loss abnormality processing, it is characterized in that:
The 10kV line loss and low-voltage platform area line loss management analysis method, by establishing matching net wire loss Standardized Management Pattern,
It establishes and is related to the multi-specialized Controlling line loss of program plan, construction retrofit, production technology, management and running, power marketing, electrical energy measurement
System；The links that line loss work is combed by system, clear the inner link of work in every, hold the work of Controlling line loss
Emphasis forms with dotted Controlling line loss mode, replaces past sheet, the management mode of planar, pass through clarification in certain roles, tacit agreement
Cooperation, leads integrated Controlling line loss mode, to gradually reduce power supply enterprise's line loss per unit, reduces the electric energy during power supply and distribution
Consumption, to improve power supply enterprise's economic value added；
The 10kV line loss and low-voltage platform area line loss management analysis method is formulated and is closed for the most common failure in defect elimination work
The load monitoring terminal operating situation analysis method of reason；The failure occurred is summarized, and every kind of failure is analyzed, is established basic
Treating method, formed success experience library；Corresponding management evaluation method is formulated, defect elimination work is linked up with equipment owner, is made
Defect elimination woprk standardization, procedure；
Wherein, the most common failure, put more than a day including at least A, B, C three-phase voltage occur negative value, numerical value be greater than 290V or
Less than 150V, A, B, C three-phase current, which are put more than a day, to be there is negative value or is zero, and active-power P, power factor (PF) cos φ are negative value, just
It is negative value to active energy, capacity of idle power numerical value, when transformer load rate is greater than 10%, active compare is being greater than 10% or small
In -10%, reactive power Q numerical exception, day the reversed big situation of capacity of idle power numerical value；
The 10kV line loss and low-voltage platform area line loss management analysis method, establishes standardized Controlling line loss application system, leads to
Cross for user malfunction report for repairment positioning, high load improving distribution transformer, platform area sharing of load work provide aid decision support, have
Effect, which reduces to overload not in time, for a long time because of breakdown repair, causes the generation of equipment damage phenomenon, significantly reduces power supply enterprise's economic loss
Value.
2. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
10kV line loss and low-voltage platform area line loss management analysis method are managed analysis using following method:
1) using power supply company 110kV, 35kV substation as sample, statistics main transformer, route are stood with the electric flux become, formation electric energy
Balance statistics is measured, the relationship of analysis power station electric flux unbalance factor and main transformer, line load formulates the power station 110kV, 35kV electric energy
Measure tension metrics；
2) incentive mechanism and standard of Controlling line loss are established, it is fair and reasonable to adapt to multi-level demand, and focusing on actual effects property, to adjust
The work incentive of dynamic power supply enterprise employee；
3) analysis causes all kinds of factors of line loss, and targetedly proposes solution, drives Molded Line using Reducing Loss by Technology Means
The reduction of loss rate drives the reduction of statistical line losses rate using suggestion on management；
4) the Controlling line loss mode for designing power supply enterprise's mixed type, highlights central role of the Controlling line loss in daily management, makes
Line loss strategic objective organically blends with company's overall strategy target, expands functional department's job stream, by Controlling line loss work
Make stream solidification, institutionalization, standardization, formation is through the successful operable model of practice test.
3. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
10kV line loss and low-voltage platform area line loss management analysis method, A, B, C three-phase voltage are put more than a day there is negative value, numerical value is greater than
290V or be less than 150V the case where, pass through following methods carry out failure judgement and defect elimination:
If a. phase voltage is zero
Breakdown judge: A phase voltage is zero in 24 hours, and zero phase voltage numerical value and other two voltages are close, judges live A phase electricity
Press phase misconnection to zero phase；
Field service: check that three-phase current, voltage link situation are correctly connected for phase wrong phenomenon with live phase；
If b. phase voltage is abnormal
Breakdown judge: C phase voltage is lower than 150V in 24 hours, judges that live C phase voltage wire clamp falls off or contacts not close；
Field service: check that three-phase voltage wiring condition is fastened with insulating tape in time for wire clamp obscission.
4. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
10kV line loss and low-voltage platform area line loss management analysis method put more than a day A, B, C three-phase current and negative value occur or be zero
Situation carries out the judgement and defect elimination of failure by following methods:
A. electric current is negative value:
Breakdown judge: B phase current 24 hours are negative value, belong to current data exception, judge that current transformer is wrong into and out of line wiring
Accidentally；
Locate lack measure: place shortage of staff person step on bar check items current transformer into and out of line direction, wiring of righting the wrong；
B. electric current is zero for a long time:
Breakdown judge: A phase current 24 hours are zero, and Zero-phase current numerical value is close with B, C phase two；Belong to current data exception,
Judge that current transformer damage or wiring fall off；
Locate to lack measure: place shortage of staff person steps on bar and checks whether current transformer is abnormal, replaces faulty equipment；Spiral shell is used if wiring falls off
Silk knife fastening, prevents failure from occurring again.
5. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
10kV line loss and low-voltage platform area line loss management analysis method, for active-power P, power factor (PF)The case where for negative value, leads to
Cross judgement and defect elimination that following methods carry out failure:
Breakdown judge: active-power P, power factor (PF)It is all negative value, electricity statistics has exception, judges load monitoring terminal
Metering device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal and each data parameters of computer check with data line connected load, lead to
It crosses and inputs operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
6. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
The case where 10kV line loss and low-voltage platform area line loss management analysis method are negative value for positive active energy, capacity of idle power numerical value,
The judgement and defect elimination of failure are carried out by following methods:
Breakdown judge: positive active power, reactive power are all negative value, and load monitoring terminal is unable to complete normal electricity statistics
Work；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal and each data parameters of computer check with data line connected load, lead to
It crosses and inputs operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
7. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
10kV line loss and low-voltage platform area line loss management analysis method, for when transformer load rate is greater than 10%, active comparison is big
In 10% or be less than -10% the case where, pass through following methods carry out failure judgement and defect elimination:
Breakdown judge: it is active to compare there are multiple spot exception, judge that load monitoring terminal meter device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal and each data parameters of computer check with data line connected load, lead to
It crosses and inputs operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
8. 10kV line loss described in accordance with the claim 3 and low-voltage platform area line loss management analysis method, it is characterized in that described
10kV line loss and low-voltage platform area line loss management analysis method, the case where for reactive power Q numerical exception, by following methods into
The judgement and defect elimination of row failure:
Breakdown judge: there is negative value, numerical exception in reactive power Q, and electricity statistics has exception, judges load monitoring terminal meter
Device breaks down；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal and each data parameters of computer check with data line connected load, lead to
It crosses and inputs operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
9. 10kV line loss described in accordance with the claim 1 and low-voltage platform area line loss management analysis method, it is characterized in that described
In the case of 10kV line loss and low-voltage platform area line loss management analysis method, reversed for day capacity of idle power numerical value are big, pass through following sides
The judgement and defect elimination of method progress failure:
Breakdown judge: there is exception, judge that load monitoring terminal meter device goes out in reversed capacity of idle power numerical exception, electricity statistics
Existing failure；
Locate to lack measure: after place shortage of staff person steps on bar, monitoring terminal and each data parameters of computer check with data line connected load, lead to
It crosses and inputs operation instruction change equipment running status；If faulty equipment can not be repaired, spare unit are directly replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825451.8A CN106291252B (en) | 2016-09-14 | 2016-09-14 | A kind of 10kV line loss and low-voltage platform area line loss management analysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825451.8A CN106291252B (en) | 2016-09-14 | 2016-09-14 | A kind of 10kV line loss and low-voltage platform area line loss management analysis method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291252A CN106291252A (en) | 2017-01-04 |
| CN106291252B true CN106291252B (en) | 2019-09-10 |
Family
ID=57712561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610825451.8A Active CN106291252B (en) | 2016-09-14 | 2016-09-14 | A kind of 10kV line loss and low-voltage platform area line loss management analysis method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106291252B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132410B (en) * | 2017-03-13 | 2018-09-25 | 广东电网有限责任公司信息中心 | 10kV circuits line loss per unit abnormal cause detection method and system |
| CN107024641A (en) * | 2017-03-29 | 2017-08-08 | 国网上海市电力公司 | A kind of platform area line loss per unit exception monitoring system |
| CN107831350B (en) * | 2017-09-14 | 2019-06-04 | 国家电网公司 | The method of line loss exception is judged based on electrical energy meter fault and typical fault wiring |
| CN107807344B (en) * | 2017-09-14 | 2019-07-09 | 国家电网公司 | The method of line loss exception is judged based on electric energy meter abnormal current |
| CN107817396B (en) * | 2017-09-14 | 2019-06-04 | 国家电网公司 | Method based on electric energy meter phase angle false judgment line loss exception |
| CN107831379B (en) * | 2017-09-14 | 2019-06-04 | 国家电网公司 | The method of line loss exception is judged based on acquisition electricity unusual fluctuations |
| CN108229087A (en) * | 2017-09-30 | 2018-06-29 | 国网上海市电力公司 | A kind of destructed method of low-voltage platform area typical scene |
| CN108573350B (en) * | 2018-04-19 | 2021-07-16 | 国网湖北省电力有限公司电力科学研究院 | Distribution network line loss synchronization calculation and multidimensional analysis method |
| CN108764501A (en) * | 2018-05-30 | 2018-11-06 | 国网上海市电力公司 | A kind of analysis of line loss problem and defect elimination processing method |
| CN108805429A (en) * | 2018-05-30 | 2018-11-13 | 国网上海市电力公司 | " one continuous line " hardware and software platform fine-grained management method for taiwan area line loss |
| CN109507536A (en) * | 2018-12-12 | 2019-03-22 | 国家电网有限公司 | A kind of low-voltage platform area line loss electricity intelligent measure analytical equipment |
| CN110703019A (en) * | 2019-10-12 | 2020-01-17 | 国网北京市电力公司 | Power consumption abnormity accurate positioning method based on collected information of power transmission line |
| CN110927480B (en) * | 2019-11-02 | 2022-06-21 | 国网上海市电力公司 | Low-voltage transformer area loss reduction method for HPLC application environment |
| CN110889466B (en) * | 2019-12-14 | 2020-12-25 | 贵州电网有限责任公司 | Transformer area line loss analysis method based on line loss classifier |
| CN112435448A (en) * | 2020-11-11 | 2021-03-02 | 广东电网有限责任公司广州供电局 | Low-voltage transformer area maintenance method and system, electronic equipment and storage medium |
| CN112685885A (en) * | 2020-12-25 | 2021-04-20 | 青岛鼎信通讯股份有限公司 | Transformer area line loss analysis method for comprehensive big data analysis |
| CN113469486A (en) * | 2021-04-19 | 2021-10-01 | 国网河北省电力有限公司电力科学研究院 | Line negative loss and high loss analysis method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637288A (en) * | 2012-03-31 | 2012-08-15 | 上海市电力公司 | Method for analysis of line loss in distribution-room area of power supply enterprise |
-
2016
- 2016-09-14 CN CN201610825451.8A patent/CN106291252B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106291252A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106291252B (en) | A kind of 10kV line loss and low-voltage platform area line loss management analysis method | |
| CN109683059B (en) | Method and device for determining line loss abnormity, storage medium and processor | |
| CN105096207B (en) | Important power user power supply reliability assessment method based on analytic hierarchy process | |
| CN105356461B (en) | A kind of accounting method of the load unbalanced administration project carbon emission reduction amount of low voltage electric network | |
| CN110298056A (en) | A kind of power distribution network contact efficiency assessment method | |
| CN213750303U (en) | Electric energy metering abnormity diagnosis system based on electricity consumption information acquisition system | |
| CN104361452A (en) | Big consumer abnormal electricity consumption pre-warning system with multiple networks integrated | |
| CN113063997A (en) | Distribution transformer area line loss abnormity problem monitoring method | |
| Zhichun et al. | Topology identification method of low voltage distribution network based on data association analysis | |
| CN110348597A (en) | A kind of power grid 110kV main transformer short term curve prediction method | |
| CN112001686A (en) | Overhead line power failure studying and judging system | |
| CN107732902B (en) | Power distribution network economic operation monitoring and evaluation method | |
| CN112766738B (en) | Optimal configuration method for distribution network automation terminal | |
| CN104063757B (en) | Transformer substation main electrical connection assessment method suitable for different development stages of power grids | |
| CN105335824B (en) | Distribution network failure repairing command methods and system based on data center | |
| CN113890013A (en) | Method and system for automatically identifying low-voltage line topology by utilizing network terminal power failure data | |
| CN112865321A (en) | Distribution transformer area line loss abnormity user positioning analysis system | |
| WO2021109519A1 (en) | Smart power distribution box applicable to alternating-current communication base station | |
| Fan et al. | Design and application of integrated distribution network line loss analysis system | |
| CN111985794A (en) | Line loss management method based on marketing and distribution information integration platform | |
| Wang et al. | On distribution system planning method for reliability and its application | |
| CN114168662A (en) | Power distribution network problem combing and analyzing method and system based on multiple data sources | |
| CN112926187A (en) | Method for analyzing and optimizing economic operation of power distribution network | |
| Zhao et al. | Research on the influence of microgrid on power supply mode of medium-voltage distribution network considering reliability and economy | |
| HAIZHU et al. | Research and implementation of intelligent analysis system for comprehensive outage management based on big data technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |