CN106291252A - 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
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- CN106291252A CN106291252A CN201610825451.8A CN201610825451A CN106291252A CN 106291252 A CN106291252 A CN 106291252A CN 201610825451 A CN201610825451 A CN 201610825451A CN 106291252 A CN106291252 A CN 106291252A
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- 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
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- 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
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 setting up matching net wire loss Standardized Management Pattern and Controlling line loss system；The links of combing line loss work, hold the focus of Controlling line loss, form the Controlling line loss pattern with point-like, coordinated by clarification in certain roles, tacit agreement, lead the Controlling line loss pattern of integration, gradually reduce power supply enterprise's line loss per unit, reduce for the power consumption in process of distributing electricity, thus improve power supply enterprise's economic value added；By the Controlling line loss application system of Criterion, report the work such as location, high capacity improving distribution transformer, platform district sharing of load for user malfunction for repairment and aid decision support is provided, effectively reduce because of breakdown repair not in time, long-term overload cause the phenomenons such as equipment damage to occur, significantly reduce power supply enterprise's economic loss value.Can be widely used for management of power supply and power utilization and energy-saving and cost-reducing field.
Description
Technical field
The invention belongs to management domain of transmitting electricity, particularly relate to a kind of for 10kV circuit and the line loss analyzing of low-voltage platform area,
Management method.
Background technology
Line loss is power network in the conveying of electric energy, the loss that distributes, caused in the link such as management.
Line loss per unit is an important performance index of power supply enterprise, reflects the Production&Operations Management level of enterprise, directly
Affect operating cost and the economic benefit of enterprise.Effectively control line loss rate, is industry energy conservation consumption reduction, increases economic efficiency, it is achieved
The important means of sustainable development.
Along with the propelling of State Grid Corporation of China's " the last one three is excellent " Modern Corporation developing goal, Controlling line loss has incorporated confession
Electricity company important performance index category, eliminates requirements at the higher level to line loss management and control.From the point of view of management system, line loss management and control relates to crowd
Many functional departments coact, management line loss, technical loss index work in coordination with the aspects such as improvement need the most close exchange and
Coordinate.
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 above outlet
Controlling line loss two large divisions.Low-voltage platform area line loss is primarily referred to as in units of bar change, distribution transforming, the supplied region of each transformator (platform
District) line loss；10 kilovolts and above outlet line loss refer to 10 kilovolts and above special line, the line loss of non-special line.
The relevant device that 10 kilovolts and above outlet circuit Controlling line loss relate to mainly has negative control terminal, remotely manages end
End, kilowatt-hour meter, load monitoring terminal etc., various equipment mostly use the mode of wireless public affairs/private network or carrier wave to enter with master station communication
OK.
Low-voltage platform area Controlling line loss is always emphasis and the difficult point of matching net wire loss management.Owing to low-voltage platform area is large number of,
Lacking technological means, its line loss fine-grained management work relatively lags behind.
The Controlling line loss work of line loss at present has had certain level that becomes more meticulous, no matter is from system or in management
Substantially meet the needs of fine-grained management.But there is also series of problems at systems and management two aspect, mainly have following several
Aspect problem:
1, each related system and interface problem are the most prominent.
The system integration Shanghai Power Network production management system (PMS), the big information system of marketing system (CMS) 2 and electric flux
The 6 big acquisition systems such as acquisition system, Load Control Management System, centralized meter-reading system, information integrated level is high, almost covers power supply public affairs
Take charge of all of acquisition system.But because the developer of each system is different, interface and link more, in real work, run into more
Problem in terms of system and interface.
2, unified information access specification is lacked.
3, relating to department, specialty is more, lacks effective unified management.
4, communication issue restriction is bigger.Affected by many reasons, cable shielding layer carrier communication and GPRS public network without
, all there is signal and be difficult to the communication quality problems such as covering, jitter in line mode, causes shortage of data, burr, sudden change etc. existing
The generation of elephant, creates certain impact to line loss comparison.
5, defect elimination problem is the most prominent.Owing to participating in a variety of causes such as integrated information system, terminal unit substantial amounts
The defect elimination pressure caused is big, and defect location difficulty is big.
So, in real work, in the urgent need to 10kV line loss and low-voltage platform area line loss management analysis method are entered
The refinement of one step, improves its technological means, quickly searches failure cause and the treatment measures of the standard of offer, finds out what present situation existed
Problem, thus tackle the problem at its root, improve the management level that line loss becomes more meticulous.
Summary of the invention
The technical problem to be solved is to provide a kind of 10kV line loss and low-voltage platform area line loss management analysis method.
It, by the research to circuit Controlling line loss related fields, proposes reasonably suggestion at technological layer system problem, formulates work
Make flow process, management method, to improve monthly integrity and the reasonability of track data, make system data more credible, reliably, for
Oppose electricity-stealing and more strong data support is provided, thus increase economic efficiency.
The technical scheme is that a kind of 10kV line loss of offer and low-voltage platform area line loss management analysis method, including platform
District's basic data is analyzed, and platform district line loss is added up, supply side data analysis, and sale of electricity side data and line loss abnormality processing is characterized in that:
In 10kV circuit As-Is analysis, carry out the circuit present situation in current electric company region summarizing and analyze, to specially
Line is analyzed one by one, and combing goes out line loss per unit abnormal cause accounting situation, and the department relating to Controlling line loss and unit carry out skill
With managerial investigation and analysis in art, sum up its problem existed both ways, for technically problem upper with management, propose to build
If the suggestion of property, it is effectively improved Controlling line loss level；
In the As-Is analysis of low-voltage platform area, carry out current electric company Nei Tai district, region present situation summarizing and analyze, combing
Go out qualified district of line loss per unit and abnormal platform district user character accounting situation, analyze the feature in line loss exception platform district, for difference
Platform district line loss present situation, be analyzed platform district line loss arranging by model, find out factor affect line loss, then the most effective
Eliminate the effects of the act, form continuous print platform district line loss changing tendency curve, be better understood by each district for electric company policymaker
The analysis of line loss situation of change and influence factor is set up the reasonable value that data basis is platform district line loss and is really customized calibration standard, for platform
District's line loss debases the standard and provides foundation, is differentiating that platform district line loss rationally provides theory on abnormal for electric company Controlling line loss person
Foundation；
Described 10kV line loss and low-voltage platform area line loss management analysis method, by setting up matching net wire loss standardized management mould
Formula, sets up and relates to the multi-specialized lines such as program plan, construction retrofit, production technology, management and running, power marketing, electric energy metrical
Damage management system；By the links of system combing line loss work, put the internal relation of work in every in order, hold Controlling line loss
Focus, formed with the Controlling line loss pattern of point-like, replace lamellar in the past, the management mode of planar, by clearly dividing
Work, tacit agreement coordinate, and lead the Controlling line loss pattern of integration, gradually reduce power supply enterprise's line loss per unit, reduce for process of distributing electricity
In power consumption, thus improve power supply enterprise's economic value added；
Described 10kV line loss and low-voltage platform area line loss management analysis method, the Controlling line loss application body of Criterion
System, provides aid decision by reporting the work such as location, high capacity improving distribution transformer, platform district sharing of load for repairment for user malfunction
Support, effectively reduce because of breakdown repair not in time, long-term overload cause the phenomenons such as equipment damage to occur, significantly reduce power supply enterprise
Economic loss value.
Concrete, described 10kV line loss and low-voltage platform area line loss management analysis method, use following method to manage
Reason is analyzed:
1) with 110kV, 35kV transformer station of electric company as sample, statistics main transformer, circuit, the electric flux with change of standing, formed
Electric energy balance is added up, and analyzes power station electric flux unbalance factor and main transformer, the relation of line load, formulates 110kV, 35kV power station
Electric energy balance standard；
2) incentive mechanism and the standard of Controlling line loss are set up, 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 proposes solution targetedly.Reducing Loss by Technology Means is utilized to drive reason
The reduction of opinion line loss per unit, utilizes suggestion on management to drive the reduction of statistical line losses rate；
4) the Controlling line loss pattern of design power supply enterprise mixed type, highlights Controlling line loss core in daily management and makees
With, make line loss strategic objective and company overall strategy target organically blend, functional department's job stream is expanded, by line loss pipe
Reason workflow solidification, institutionalization, standardization, formed through the successful exercisable model of practice test.
Concrete, described 10kV line loss and low-voltage platform area line loss management analysis method, common during defect elimination is worked
Fault, formulates rational load monitoring terminal operating situation analysis method；Sum up the fault occurred, and every kind of fault is carried out point
Analysis, sets up basic treating method, forms success experience storehouse；Formulate corresponding management evaluation way, by defect elimination work and equipment
Owner links up with, and makes defect elimination woprk standardization, procedure；
Wherein, described most common failure, at least include that A, B, C three-phase voltage is put more than a day and occurred that negative value, numerical value are more than
290V or less than 150V, A, B, C three-phase current is put more than a day to be there is negative value or is zero, active-power P, power factor (PF)It is negative
Value, forward active energy, capacity of idle power numerical value are negative value, and when transformer load rate is more than 10%, meritorious comparison is being more than
10% or less than-10%, reactive power Q numerical exception, day the reverse capacity of idle power numerical value situation such as big.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase voltage one
There is negative value, numerical value more than 290V or less than the situation of 150V in it multiple spot, is carried out judgement and the defect elimination of fault by following method:
If a. phase voltage is zero
Breakdown judge: in 24 hours, A phase voltage is zero, two voltages of zero phase voltage numerical value and other are close, it is judged that on-the-spot A
Phase voltage phase place misconnection is to zero phase；
Field service: check three-phase current, voltage link situation, for phase place wrong phenomenon, correctly connects with on-the-spot phase place
Connect；
If b. phase voltage is abnormal
Breakdown judge: in 24 hours, C phase voltage is less than 150V, it is judged that on-the-spot C phase voltage wire clamp comes off or contacts the tightst；
Field service: check three-phase voltage wiring condition, for wire clamp obscission, fasten with insulating tape in time.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase current one
It multiple spot occur negative value or be zero situation, carried out judgement and the defect elimination of fault by following method:
A. electric current is negative value:
Breakdown judge: B phase current is negative value in 24 hours, belongs to current data abnormal, it is judged that current transformer connects into and out of line
Line mistake；
Place lack measure: place shortage of staff person step on bar check every 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 is zero, Zero-phase current numerical value is close with B, C phase two；Belong to current data different
Often, it is judged that current transformer damages or wiring comes off；
Place lacks measure: place shortage of staff person steps on bar and checks that current transformer is the most abnormal, changes faulty equipment；If wiring comes off,
Fasten with screwdriver, prevent fault from again occurring.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for active-power P, power
FactorFor the situation of negative value, carried out judgement and the defect elimination of fault by following method:
Breakdown judge: active-power P, power factor (PF)Being all negative value, electricity statistics exists abnormal, it is judged that load monitoring
Terminal meter device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for forward active energy, nothing
Merit SOC values is the situation of negative value, is carried out judgement and the defect elimination of fault by following method:
Breakdown judge: forward active power, reactive power are all negative value, and load monitoring terminal cannot complete normal electricity
Statistical work；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, in transformer load rate
During more than 10%, meritorious comparison, in the situation more than 10% or less than-10%, carries out the judgement of fault by following method and disappears
Lack:
Breakdown judge: it is abnormal that meritorious comparison exists multiple spot, it is judged that load monitoring terminal meter device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, different for reactive power Q numerical value
Normal situation, carries out judgement and the defect elimination of fault by following method:
Breakdown judge: negative value, numerical exception occurs in reactive power Q, electricity statistics exists abnormal, it is judged that load monitoring terminal
Metering device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status；If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, capacity of idle power reverse for day
The situation that numerical value is big, carries out judgement and the defect elimination of fault by following method:
Breakdown judge: reversely capacity of idle power numerical exception, electricity statistics exists abnormal, it is judged that load monitoring terminal meter fills
Put and break down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status；If faulty equipment cannot be repaired, directly change spare unit.
Compared with the prior art, the invention have the advantage that
1. by setting up matching net wire loss Standardized Management Pattern, set up relate to program plan, construction retrofit, production technology,
The multi-specialized Controlling line loss systems such as management and running, power marketing, electric energy metrical；Each ring by the work of system combing line loss
Joint, puts the internal relation of work in every in order, holds the focus of Controlling line loss, forms the Controlling line loss pattern with point-like, takes
The lamellar in past in generation, the management mode of planar, coordinated by clarification in certain roles, tacit agreement, lead the Controlling line loss pattern of integration, come
Gradually reduce power supply enterprise's line loss per unit, reduce for the power consumption in process of distributing electricity, thus improve power supply enterprise's economic value added
(EVA)。
2., by the comparing to anomalous line, the fault of metering device can be found in time, improve ability of opposing electricity-stealing,
The raising of economic benefit is played directly, active influence.
3. carrying out by the technical program, can improve integrity and the reasonability of data, and raising can carry out data ratio
To number of, lines and quality, thus advantageously in increasing economic efficiency.
Accompanying drawing explanation
Fig. 1 is that platform district of the present invention basic data analyzes schematic diagram；
Fig. 2 is platform district of the present invention line loss statistics schematic diagram；
Fig. 3 is supply side data analysis schematic diagram of the present invention；
Fig. 4 is that sale of electricity side data of the present invention analyzes schematic diagram；
Fig. 5 is line loss abnormality processing schematic diagram of the present invention.
Detailed description of the invention
The present invention will be further described below.
The line loss platform that becomes more meticulous is a huge informationization integration project, and it 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 relevant with generated energy acquisition such as management system, provide foundation for Controlling line loss.
Load monitoring management work is the important step guarantee of electric power enterprise unit-area management and lean production management, and
Time, correctly include and analyze 10 kilovolts of distribution transformer load data, ask for planning, design and work and correct effective foundation be provided, really
Protect safe and stable, the reliability service of power supply branch's distribution.
Distribution transformer load monitoring system is mainly the line loss comparison of platform district and provides supply side data, installs in load monitoring terminal and covers
After having covered, can be that common line provides sale of electricity side data.
Electric Energy Acquisition System is designed as the preamble part of integrated data platform, and the electric energy data of collection enters comprehensive number
According to platform, the function such as data statistic analysis, user's inquiry is all based on integrated data platform and realizes.
There are K-type (switchyard), p-type (looped network station) and three kinds of W type (open air station) in Shanghai Power Network 10 KV distribution station, also simultaneously
It is configured with bar to become.Distribution SCADA system (hereinafter referred to as D-SCADA) is the system of the information gathering to all kinds 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 gathers the electric energy information of power distribution station, for line loss become more meticulous in platform 10 kilovolts and more than
Circuit provides data.
Negative Ore-controlling Role 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 that a whole set of is to Shanghai master
Large power customers is wanted to carry out Real-time Load monitoring, dynamic equilibrium control, load data collection, remote automatic meter reading, the quality of power supply
Monitor and the integrated system of dsm.The means of communication of system be 230 wireless dedicated communications networks be main, wireless public network is
Auxiliary.
Negative Ore-controlling Role is as one of the main source of 10 kilovolts and Above Transmission Lines sale of electricity side data, in line loss fine-grained management
In play great effect.
Technical scheme, it is provided that a kind of 10kV line loss and low-voltage platform area line loss management analysis method, its invention
Point is:
In 10kV circuit As-Is analysis, carry out the circuit present situation in current electric company region summarizing and analyze, to specially
Line is analyzed one by one, and combing goes out line loss per unit abnormal cause accounting situation, and the department relating to Controlling line loss and unit carry out skill
With managerial investigation and analysis in art, sum up its problem existed both ways, for technically problem upper with management, propose to build
If the suggestion of property, it is effectively improved Controlling line loss level；
In the As-Is analysis of low-voltage platform area, carry out current electric company Nei Tai district, region present situation summarizing and analyze, combing
Go out qualified district of line loss per unit and abnormal platform district user character accounting situation, analyze the feature in line loss exception platform district, for difference
Platform district line loss present situation, be analyzed platform district line loss arranging by model, find out factor affect line loss, then the most effective
Eliminate the effects of the act, form continuous print platform district line loss changing tendency curve, be better understood by each district for electric company policymaker
The analysis of line loss situation of change and influence factor is set up the reasonable value that data basis is platform district line loss and is really customized calibration standard, for platform
District's line loss debases the standard and provides foundation, is differentiating that platform district line loss rationally provides theory on abnormal for electric company Controlling line loss person
Foundation；
Described 10kV line loss and low-voltage platform area line loss management analysis method, by setting up matching net wire loss standardized management mould
Formula, sets up and relates to the multi-specialized lines such as program plan, construction retrofit, production technology, management and running, power marketing, electric energy metrical
Damage management system；By the links of system combing line loss work, put the internal relation of work in every in order, hold Controlling line loss
Focus, formed with the Controlling line loss pattern of point-like, replace lamellar in the past, the management mode of planar, by clearly dividing
Work, tacit agreement coordinate, and lead the Controlling line loss pattern of integration, gradually reduce power supply enterprise's line loss per unit, reduce for process of distributing electricity
In power consumption, thus improve power supply enterprise's economic value added；
Described 10kV line loss and low-voltage platform area line loss management analysis method, the Controlling line loss application body of Criterion
System, provides aid decision by reporting the work such as location, high capacity improving distribution transformer, platform district sharing of load for repairment for user malfunction
Support, effectively reduce because of breakdown repair not in time, long-term overload cause the phenomenons such as equipment damage to occur, significantly reduce power supply enterprise
Economic loss value.
Concrete, described 10kV line loss and low-voltage platform area line loss management analysis method, use following method to manage
Reason is analyzed:
1) with 110kV, 35kV transformer station of electric company as sample, statistics main transformer, circuit, the electric flux with change of standing, formed
Electric energy balance is added up, and analyzes power station electric flux unbalance factor and main transformer, the relation of line load, formulates 110kV, 35kV power station
Electric energy balance standard；
2) incentive mechanism and the standard of Controlling line loss are set up, 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 proposes solution targetedly.Reducing Loss by Technology Means is utilized to drive reason
The reduction of opinion line loss per unit, utilizes suggestion on management to drive the reduction of statistical line losses rate；
4) the Controlling line loss pattern of design power supply enterprise mixed type, highlights Controlling line loss core in daily management and makees
With, make line loss strategic objective and company overall strategy target organically blend, functional department's job stream is expanded, by line loss pipe
Reason workflow solidification, institutionalization, standardization, formed through the successful exercisable model of practice test.
Concrete, described 10kV line loss and low-voltage platform area line loss management analysis method, common during defect elimination is worked
Fault, formulates rational load monitoring terminal operating situation analysis method；Sum up the fault occurred, and every kind of fault is carried out point
Analysis, sets up basic treating method, forms success experience storehouse；Formulate corresponding management evaluation way, by defect elimination work and equipment
Owner links up with, and makes defect elimination woprk standardization, procedure；
Wherein, described most common failure, at least include that A, B, C three-phase voltage is put more than a day and occurred that negative value, numerical value are more than
290V or less than 150V, A, B, C three-phase current is put more than a day to be there is negative value or is zero, active-power P, power factor (PF)It is negative
Value, forward active energy, capacity of idle power numerical value are negative value, and when transformer load rate is more than 10%, meritorious comparison is being more than
10% or less than-10%, reactive power Q numerical exception, day the reverse capacity of idle power numerical value situation such as big.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase voltage one
There is negative value, numerical value more than 290V or less than the situation of 150V in it multiple spot, is carried out judgement and the defect elimination of fault by following method:
If a. phase voltage is zero
Breakdown judge: in 24 hours, A phase voltage is zero, two voltages of zero phase voltage numerical value and other are close, it is judged that on-the-spot A
Phase voltage phase place misconnection is to zero phase；
Field service: check three-phase current, voltage link situation, for phase place wrong phenomenon, correctly connects with on-the-spot phase place
Connect；
If b. phase voltage is abnormal
Breakdown judge: in 24 hours, C phase voltage is less than 150V, it is judged that on-the-spot C phase voltage wire clamp comes off or contacts the tightst；
Field service: check three-phase voltage wiring condition, for wire clamp obscission, fasten with insulating tape in time.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for A, B, C three-phase current one
It multiple spot occur negative value or be zero situation, carried out judgement and the defect elimination of fault by following method:
A. electric current is negative value:
Breakdown judge: B phase current is negative value in 24 hours, belongs to current data abnormal, it is judged that current transformer connects into and out of line
Line mistake；
Place lack measure (place lack be process defect abbreviation, lower with): place shortage of staff person step on bar check every current transformer enter,
Outlet direction, wiring of righting the wrong；
B. electric current is zero for a long time:
Breakdown judge: A phase current 24 hours is zero, Zero-phase current numerical value is close with B, C phase two；Belong to current data different
Often, it is judged that current transformer damages or wiring comes off；
Place lacks measure: place shortage of staff person steps on bar and checks that current transformer is the most abnormal, changes faulty equipment；If wiring comes off,
Fasten with screwdriver, prevent fault from again occurring.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for active-power P, power
FactorFor the situation of negative value, carried out judgement and the defect elimination of fault by following method:
Breakdown judge: active-power P, power factor (PF)Being all negative value, electricity statistics exists abnormal, it is judged that load monitoring
Terminal meter device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, for forward active energy, nothing
Merit SOC values is the situation of negative value, is carried out judgement and the defect elimination of fault by following method:
Breakdown judge: forward active power, reactive power are all negative value, and load monitoring terminal cannot complete normal electricity
Statistical work；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, in transformer load rate
During more than 10%, meritorious comparison, in the situation more than 10% or less than-10%, carries out the judgement of fault by following method and disappears
Lack:
Breakdown judge: it is abnormal that meritorious comparison exists multiple spot, it is judged that load monitoring terminal meter device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, different for reactive power Q numerical value
Normal situation, carries out judgement and the defect elimination of fault by following method:
Breakdown judge: negative value, numerical exception occurs in reactive power Q, electricity statistics exists abnormal, it is judged that load monitoring terminal
Metering device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status；If faulty equipment cannot be repaired, directly change spare unit.
Further, described 10kV line loss and low-voltage platform area line loss management analysis method, capacity of idle power reverse for day
The situation that numerical value is big, carries out judgement and the defect elimination of fault by following method:
Breakdown judge: reversely capacity of idle power numerical exception, electricity statistics exists abnormal, it is judged that load monitoring terminal meter fills
Put and break down；
Place lacks measure: after place shortage of staff person steps on bar, joins by data wire connected load monitoring terminal and each data of computer check
Number, by entering the operating instructions change equipment running status；If faulty equipment cannot be repaired, directly change spare unit.
In Fig. 1, the platform district basic data of the technical program is analyzed, and is primarily directed to electricity system information and the user of low-voltage platform area
The Back ground Information of the aspects such as information is collected, arranges and analyzes, and to guarantee the accuracy of platform district Back ground Information, these is carried out
The accurate data processed is as the basic data of platform district line loss analyzing.Specifically include that the electricity system to Ge Tai district analyzes, to platform district
Carry out the comparison of PMS and CMS user profile and Ge Tai district is carried out customer analysis etc..
In Fig. 2, the platform district line loss statistical analysis of the technical program mainly obtains platform district supply side and the data of sale of electricity side
Calculate line loss per unit, and statistical analysis is carried out for these line losses per unit.Specifically include that acquisition platform district line loss statistical data, Tai Qu
Line loss per unit calculates, the line loss per unit warning of abnormal platform district, the line loss per unit comparison of platform district and the unit line loss data statistics of electricity system.
In Fig. 3, the supply side data analysis of the technical program refers to abnormal platform district occur for line loss per unit, is powered
Survey the analysis of data, analyse whether it is the exception owing to result in line loss per unit for the exception of electrical measurement data.Specifically include that acquisition is different
Chang Taiqu reports to the police and the reparation of abnormal electrical power supply data for electrical measurement data, supply side abnormal data.
In Fig. 4, the sale of electricity side data of the technical program is analyzed, and refers to abnormal platform district occur for line loss per unit, sells
The analysis of electricity side data, analyses whether it is owing to the exception of sale of electricity side data result in the exception of line loss per unit.Specifically include that acquisition
Assorted item electricity feelings in zero charge condition, electricity sales amount in abnormal platform district sale of electricity side data, sale of electricity side Electricity customers situation, electricity sales amount
Condition, electricity sales amount move back quality condition of checking meter in benefit charge condition and electricity sales amount.
In Fig. 5, the abnormal line loss of the technical program processes, and refers to that the platform district for line loss per unit is abnormal has carried out data analysis
After work, form the possible reason causing line loss per unit abnormal, arrange related personnel to work targetedly, eliminate line loss per unit
Abnormal situation.Specifically include that and form reason, internal field work disposal, outfield work disposal and the line loss defect elimination that line loss is possible.
Technical scheme, by setting up matching net wire loss Standardized Management Pattern, it is each that system combing line loss works
Individual link, puts the internal relation of work in every in order, holds the focus of Controlling line loss, forms the Controlling line loss mould with point-like
Formula, replaces lamellar in the past, the management mode of planar, is coordinated by clarification in certain roles, tacit agreement, leads the Controlling line loss mould of integration
Formula, gradually reduces power supply enterprise's line loss per unit, reduces for the power consumption in process of distributing electricity.
The method can be widely used in management of power supply and power utilization and energy-saving and cost-reducing field.
Claims (10)
1. 10kV line loss and a low-voltage platform area line loss management analysis method, including the basic data analysis of platform district, platform district line loss is united
Meter, supply side data analysis, sale of electricity side data and line loss abnormality processing, it is characterized in that:
In 10kV circuit As-Is analysis, the circuit present situation in current electric company region is carried out summarize analyze, to special line by
Bar is analyzed, and combing goes out line loss per unit abnormal cause accounting situation, and the department relating to Controlling line loss and unit are carried out technically
With managerial investigation and analysis, sum up its problem existed both ways, for technically problem upper with management, propose constructive
Suggestion, be effectively improved Controlling line loss level；
In the As-Is analysis of low-voltage platform area, carry out current electric company Nei Tai district, region present situation summarizing and analyze, combing outlet
Qualified district of loss rate and abnormal platform district user character accounting situation, analyze the feature in line loss exception platform district, for different platforms
District's line loss present situation, is analyzed arranging to platform district line loss by model, finds out the factor affecting line loss, then rationally effectively disappear
Except impact, form continuous print platform district line loss changing tendency curve, be better understood by each district's line loss for electric company policymaker
The analysis of situation of change and influence factor is set up the reasonable value that data basis is platform district line loss and is really customized calibration standard, for platform district line
Damage debases the standard and provides foundation, is differentiating that platform district line loss rationally provides theory to depend on abnormal for electric company Controlling line loss person
According to；
Described 10kV line loss and low-voltage platform area line loss management analysis method, by setting up matching net wire loss Standardized Management Pattern,
Set up and relate to the multi-specialized line loss pipes such as program plan, construction retrofit, production technology, management and running, power marketing, electric energy metrical
Reason system；By the links of system combing line loss work, put the internal relation of work in every in order, hold the work of Controlling line loss
Make emphasis, form the Controlling line loss pattern with point-like, replace lamellar in the past, the management mode of planar, by clarification in certain roles, write from memory
Contract coordinates, and leads the Controlling line loss pattern of integration, gradually reduces power supply enterprise's line loss per unit, reduces for the electricity in process of distributing electricity
Can consume, thus improve power supply enterprise's economic value added；
Described 10kV line loss and low-voltage platform area line loss management analysis method, the Controlling line loss application system of Criterion is logical
Cross work such as reporting location, high capacity improving distribution transformer, platform district sharing of load for user malfunction for repairment and aid decision support be provided,
Effectively reduce because of breakdown repair not in time, long-term overload cause the phenomenons such as equipment damage to occur, significantly reduce power supply enterprise's economy
Penalty values.
2., according to the 10kV line loss described in 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, use following method to be managed analyzing:
1) with 110kV, 35kV transformer station of electric company as sample, statistics main transformer, circuit, the electric flux with change of standing, form electric energy
Amount balance statistics, analyzes power station electric flux unbalance factor and main transformer, the relation of line load, formulates 110kV, 35kV power station electric energy
Amount tension metrics；
2) incentive mechanism and the standard of Controlling line loss are set up, 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 proposes solution targetedly.Reducing Loss by Technology Means is utilized to drive Molded Line
The reduction of loss rate, utilizes suggestion on management to drive the reduction of statistical line losses rate；
4) the Controlling line loss pattern of design power supply enterprise mixed type, highlights Controlling line loss central role in daily management, makes
Line loss strategic objective and company overall strategy target organically blend, and expand functional department's job stream, by Controlling line loss work
Make stream solidification, institutionalization, standardization, formed through the successful exercisable model of practice test.
3., according to the 10kV line loss described in 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, the most common failure during defect elimination is worked, formulate rational load prison
Survey terminal operating situation analysis method；Sum up the fault occurred, and every kind of fault is analyzed, set up basic process and do
Method, forms success experience storehouse；Formulate corresponding management evaluation way, defect elimination work is linked up with equipment owner, makes defect elimination work
Standardization, procedure；
Wherein, described most common failure, at least include A, B, C three-phase voltage put more than a day occur negative value, numerical value more than 290V or
Less than 150V, A, B, C three-phase current is put more than a day to be there is negative value or is zero, active-power P, power factor (PF)For negative value, just
Being negative value to active energy, capacity of idle power numerical value, when transformer load rate is more than 10%, meritorious comparison is more than 10% or little
In-10%, reactive power Q numerical exception, day the reverse capacity of idle power numerical value situation such as big.
4., according to the 10kV line loss described in 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, put more than a day for A, B, C three-phase voltage and occur that negative value, numerical value are more than
290V or less than the situation of 150V, carries out judgement and the defect elimination of fault by following method:
If a. phase voltage is zero
Breakdown judge: in 24 hours, A phase voltage is zero, two voltages of zero phase voltage numerical value and other are close, it is judged that on-the-spot A phase is electric
Pressure phase place misconnection is to zero phase；
Field service: check three-phase current, voltage link situation, for phase place wrong phenomenon, correctly connects with on-the-spot phase place；
If b. phase voltage is abnormal
Breakdown judge: in 24 hours, C phase voltage is less than 150V, it is judged that on-the-spot C phase voltage wire clamp comes off or contacts the tightst；
Field service: check three-phase voltage wiring condition, for wire clamp obscission, fasten with insulating tape in time.
5., according to the 10kV line loss described in 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, put more than a day for A, B, C three-phase current and negative value occur or be zero
Situation, carries out judgement and the defect elimination of fault by following method:
A. electric current is negative value:
Breakdown judge: B phase current is negative value in 24 hours, belongs to current data abnormal, it is judged that current transformer is wrong into and out of line wiring
By mistake；
Place lack measure: place shortage of staff person step on bar check every 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 is zero, Zero-phase current numerical value is close with B, C phase two；Belong to current data abnormal,
Judge that current transformer damages or wiring comes off；
Place lacks measure: place shortage of staff person steps on bar and checks that current transformer is the most abnormal, changes faulty equipment；If wiring comes off, use spiral shell
Silk cutter fastening, prevents fault from again occurring.
6., according to the 10kV line loss described in 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, for active-power P, power factor (PF)For the situation of negative value, lead to
Cross following method and carry out judgement and the defect elimination of fault:
Breakdown judge: active-power P, power factor (PF)Being all negative value, electricity statistics exists abnormal, it is judged that load monitoring terminal
Metering device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, by data wire connected load monitoring terminal and each data parameters of computer check, logical
Cross and enter the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
7., according to the 10kV line loss described in 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, when being negative value for forward active energy, capacity of idle power numerical value,
Judgement and the defect elimination of fault is carried out by following method:
Breakdown judge: forward active power, reactive power are all negative value, load monitoring terminal cannot complete normal electricity statistics
Work；
Place lacks measure: after place shortage of staff person steps on bar, by data wire connected load monitoring terminal and each data parameters of computer check, logical
Cross and enter the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
8., according to the 10kV line loss described in 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, for when transformer load rate is more than 10%, meritorious comparison is greatly
In 10% or situation less than-10%, carried out judgement and the defect elimination of fault by following method:
Breakdown judge: it is abnormal that meritorious comparison exists multiple spot, it is judged that load monitoring terminal meter device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, by data wire connected load monitoring terminal and each data parameters of computer check, logical
Cross and enter the operating instructions change equipment running status.If faulty equipment cannot be repaired, directly change spare unit.
9., according to the 10kV line loss described in 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, during for reactive power Q numerical exception, entered by following method
The judgement of row fault and defect elimination:
Breakdown judge: negative value, numerical exception occurs in reactive power Q, electricity statistics exists abnormal, it is judged that load monitoring terminal meter
Device breaks down；
Place lacks measure: after place shortage of staff person steps on bar, by data wire connected load monitoring terminal and each data parameters of computer check, logical
Cross and enter the operating instructions change equipment running status；If faulty equipment cannot be repaired, directly change spare unit.
10., according to the 10kV line loss described in 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, when capacity of idle power numerical value reverse for day is big, by following side
Method carries out judgement and the defect elimination of fault:
Breakdown judge: reversely capacity of idle power numerical exception, electricity statistics exists abnormal, it is judged that load monitoring terminal meter device goes out
Existing fault；
Place lacks measure: after place shortage of staff person steps on bar, by data wire connected load monitoring terminal and each data parameters of computer check, logical
Cross and enter the operating instructions change equipment running status；If faulty equipment cannot be repaired, directly change spare unit.
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| 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 |
| CN107132410A (en) * | 2017-03-13 | 2017-09-05 | 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 |
| CN107807344A (en) * | 2017-09-14 | 2018-03-16 | 国家电网公司 | The abnormal method of line loss is judged based on electric energy meter abnormal current |
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