CN107944621A - A kind of load prediction selecting index method and instrument - Google Patents
A kind of load prediction selecting index method and instrument Download PDFInfo
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- CN107944621A CN107944621A CN201711166690.8A CN201711166690A CN107944621A CN 107944621 A CN107944621 A CN 107944621A CN 201711166690 A CN201711166690 A CN 201711166690A CN 107944621 A CN107944621 A CN 107944621A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of load prediction selecting index method and instrument, according to the distant view saturation loading in load prediction index calculating plot；According to distant view saturation loading, the industry and setup state, index result of calculation is obtained；Index result of calculation is matched with index section, and carries out reasonability judgement；When the reasonability judging result for having grid is unreasonable, the load prediction index in adjustment plot corresponding with the grid, Load adjustment prediction index is repeated when the reasonability judging result of each grid is reasonable, determines the load prediction index in each plot in region.The present invention provides a kind of feedback mechanism, no matter urban development belongs to steady development or jumps development, load delivery rate corresponding with load prediction index can be checked and whether load maturity is reasonable, according to check results Load adjustment prediction index so that load prediction results are more reasonable；Each grid protocol feedback closed loop so that the check result of different regions is separate.
Description
Technical field
The present invention relates to the technical field of Load Prediction In Power Systems, more particularly to a kind of load prediction selecting index method
And instrument.
Background technology
Traditional load forecasting method is mainly determined future load numerical value, but can not provide zone of reasonableness and set
It is fixed.With electric system lean management, traditional load forecasting method it is impossible to meet power planning actual demand, because
This Spatial Load Forecasting is increasingly becoming the problem of power industry primary study.
Spatial Load Forecasting is the important foundation of urban distribution network planning, primarily with respect to a certain range of electric load
Numerical value and orientation are judged.Electric load installation site and capacity in the range of Mr. Yu are determined according to prediction result, energy
Enough effectively improve electric system economic benefit and stability.
In past 30 years, there has been proposed many Spatial Load Forecasting model (SLF) (Spatial
LoadForecasting), wherein, landuse emulation is current precision highest while can meet short-term and medium-term and long-term distribution network planning
Draw a kind of desired SLF models based on urban development emulation.Traditional Spatial Load Forecasting method based on landuse emulation
Consideration and imperfection to various environmental factors, for example for resident living land used, it is only with neighbouring 1 cell or 2 cells
Resident's area and commercial space as evaluation index, consider the influence of the land-use styles such as industry, municipal administration nearby, and
For every kind of land-use style, evaluation index is more, and fuzzy rule is also more, more complicated.And traditional landuse emulation is only capable of
Steady development model is enough handled, but is difficult to the development for handling great-jump-forward.
The development in city is typically two ways and deposits：Steady development and jump develop.Steady development is mainly due to warp
Caused by the factor such as the sustainable growth of Ji, the slow growth and the continuous improvement of living standard of population, and leapfrogging growth is usual
It is caused by the stimulation of outside and the newly-built of large project.These large projects are once implement, and the influence to space load distribution is very
Greatly, it is necessary to pay attention to.Further, since urban development is a development and the process transformed and deposited, in Spatial Load Forecasting
Also need to consider the uncertainty of urban renewal.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of load prediction selecting index method and
Instrument, it is intended to which the steady development of urban development and asking for jump development can not be tackled at the same time by solving traditional load forecasting method
Topic.
The purpose of the present invention is realized using following technical scheme：
A kind of load prediction selecting index method, including：
Data preparation step：
The load prediction index in each plot in selection area, and according to the distant view in each plot of load prediction index calculating
Saturation loading；
The affiliated industry in each plot is set；
Identify the setup state in each plot；
Index calculation procedure：
According to the distant view saturation loading in each plot, the industry and setup state, index result of calculation is obtained；
Reasonability judgment step：
Index result of calculation is matched with the index section of the region location, obtains each grid in region
Matching result, and reasonability judgement is carried out to the matching result of each grid；
Index set-up procedure：
When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment and the grid
The load prediction index in corresponding plot；
Iterated revision step：
Repeat the distant view saturation loading according to each plot of load prediction index calculating；According to the distant view in each plot
Saturation loading, the industry and setup state, obtain index result of calculation；By index result of calculation and the region location
Index section is matched, and obtains the matching result of each grid in region, and the matching result of each grid is carried out rationally
Property judge；When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment and the grid
The step of load prediction index in corresponding plot, until the reasonability judging result of each grid in region is zone index
Where appropriate, determine the load prediction index in each plot in region.
On the basis of above-described embodiment, further, the load delivery rate of the index result of calculation including region and
Load maturity；
The matching result to each grid carries out the step of reasonability judgement, is specially：
If for the load delivery rate of grid with load maturity in index section, the reasonability of the grid judges knot
Fruit is appropriate for zone index；If the load delivery rate of grid is all higher than index section, the conjunction of the grid with load maturity
Rational judgment result is relatively low for zone index；If the load delivery rate of grid is respectively less than index section with load maturity,
The reasonability judging result of the grid is higher for zone index.
On the basis of above-described embodiment, further, the index result of calculation further include region load total amount and
Be constructed and put into operation rate, also,
Load delivery rate (built-up areas)=peak load (present situation)/(peak load (distant view) * be constructed and put into operation rate)；
Load maturity (present situation)=peak load (present situation)/peak load (prediction).
On the basis of above-described embodiment, further, the calculation formula of the rate that is constructed and put into operation is：
Be constructed and put into operation rate=built operation block area/subregion construction land gross area (being free of land use for greening).
On the basis of above-mentioned any embodiment, further, the setup state in the plot includes maturation, sells, anticipates
To, remove, it is built, building and do not building.
A kind of load prediction selecting index instrument, including：
Data preparation module, is used for：
The load prediction index in each plot in selection area, and according to the distant view in each plot of load prediction index calculating
Saturation loading；
The affiliated industry in each plot is set；
Identify the setup state in each plot；
Index computing module, is used for：
According to the distant view saturation loading in each plot, the industry and setup state, index result of calculation is obtained；
Reasonability judgment module, is used for：
Index result of calculation is matched with the index section of the region location, obtains each grid in region
Matching result, and reasonability judgement is carried out to the matching result of each grid；
Index adjusts module, is used for：
When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment and the grid
The load prediction index in corresponding plot；
Iterated revision module, is used for：
Repeat the distant view saturation loading according to each plot of load prediction index calculating；According to the distant view in each plot
Saturation loading, the industry and setup state, obtain index result of calculation；By index result of calculation and the region location
Index section is matched, and obtains the matching result of each grid in region, and the matching result of each grid is carried out rationally
Property judge；When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment and the grid
The step of load prediction index in corresponding plot, until the reasonability judging result of each grid in region is zone index
Where appropriate, determine the load prediction index in each plot in region.
On the basis of above-described embodiment, further, the load delivery rate of the index result of calculation including region and
Load maturity；
The reasonability judgment module, is used for：
If for the load delivery rate of grid with load maturity in index section, the reasonability of the grid judges knot
Fruit is appropriate for zone index；If the load delivery rate of grid is all higher than index section, the conjunction of the grid with load maturity
Rational judgment result is relatively low for zone index；If the load delivery rate of grid is respectively less than index section with load maturity,
The reasonability judging result of the grid is higher for zone index.
On the basis of above-described embodiment, further, the index result of calculation further include region load total amount and
Be constructed and put into operation rate, also,
Load delivery rate (built-up areas)=peak load (present situation)/(peak load (distant view) * be constructed and put into operation rate)；
Load maturity (present situation)=peak load (present situation)/peak load (prediction).
On the basis of above-described embodiment, further, the calculation formula of the rate that is constructed and put into operation is：
Be constructed and put into operation rate=built operation block area/subregion construction land gross area (being free of land use for greening).
On the basis of above-mentioned any embodiment, further, the setup state in the plot includes maturation, sells, anticipates
To, remove, it is built, building and do not building.
Compared with prior art, the beneficial effects of the present invention are：
The invention discloses a kind of load prediction selecting index method and instrument, this method is calculated according to load prediction index
The distant view saturation loading in each plot；According to the distant view saturation loading in each plot, the industry and setup state, index is obtained
Result of calculation；Index result of calculation is matched with the index section of the region location, and to the matching of each grid
As a result reasonability judgement is carried out；When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher,
The load prediction index in adjustment plot corresponding with the grid, repeats Load adjustment prediction index until each grid in region
Reasonability judging result is zone index where appropriate, determining the load prediction index in each plot in region.The present invention provides
A kind of feedback mechanism, no matter urban development belongs to steady development or jumps development, can check and load prediction index
Whether corresponding load delivery rate and load maturity are reasonable, according to check results Load adjustment prediction index so that load is pre-
It is more reasonable to survey result, changes the experience of depending alone to judge the whether rational present situation of load prediction results；On the other hand, using existing
Shape load condition checks load prediction results, forms feedback closed loop so that the check result of different regions is separate, more
Close to local conditions, make prediction result that more there is convincingness.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 shows a kind of flow diagram of load prediction selecting index method provided in an embodiment of the present invention；
Fig. 2 shows a kind of flow diagram of load prediction selecting index method provided in an embodiment of the present invention；
Fig. 3 shows a kind of structure diagram of load prediction selecting index instrument provided in an embodiment of the present invention.
Embodiment
In the following, with reference to attached drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Specific embodiment one
As depicted in figs. 1 and 2, an embodiment of the present invention provides a kind of load prediction selecting index method, including following step
Suddenly.
Data preparation step S101：The load prediction index in each plot in selection area, and according to load prediction index
Calculate the distant view saturation loading in each plot；The affiliated industry in each plot is set；Identify the setup state in each plot.This hair
The selection mode of load prediction index of the bright embodiment to plot does not limit, it is preferred that it can be according to residing for research object
Integral load level of density in area chooses relatively mild desired value as Raw performance for each attribute plot, and uses
The index calculates distant view saturation loading.The embodiment of the present invention does not limit the mode for setting the affiliated industry in plot, it is preferred that
Identify plot land character, set the affiliated industry in plot can be upper by newest urban area regulatory plan etc.
Urban planning data realizes, wins wherein to the land character of the perspective long-term plan land character of research object as research object
Attribute, herein single plot have and an only land character.The embodiment of the present invention to the mode of identification region setup state not
Limit, it is preferred that it can be that all plot construction progresses are identified with classification, statistics include maturation, sell, purpose,
Removal and seven setup states built, in building, not building in, the ground block message of preceding four setup states can be by planning
Office provides basic data, and rear three setup states are primarily adapted for use in remaining plot do not made the plan, take all kinds of plot land used accountings.
Index calculation procedure S102：Referred to according to the distant view saturation loading in each plot, the industry and setup state, acquisition
Mark result of calculation.The embodiment of the present invention does not limit the data target that index result of calculation includes, it is preferred that the index meter
Load total amount, the rate that is constructed and put into operation, load delivery rate and the load maturity in region can be included by calculating result.Preferably, load reaches
Into rate and load maturity can by load total amount, be constructed and put into operation rate and determine, load delivery rate (built-up areas)=maximum is negative
Lotus (present situation)/(peak load (distant view) * be constructed and put into operation rate)；Load maturity (present situation)=peak load (present situation)/maximum is negative
Lotus (prediction).Preferably, the calculation formula of the rate that is constructed and put into operation can be：Be constructed and put into operation rate=built operation plot face
Product/subregion construction land the gross area (is free of land use for greening).Traditional load forecasting method into row index calculate it is more complicated and
Time-consuming longer, the corresponding instrument of this method can preset load delivery rate, load maturity and load total amount, be constructed and put into operation
Operation rule between rate, improves computational efficiency.
Reasonability judgment step S103：Index result of calculation is matched with the index section of the region location,
The matching result of each grid in region is obtained, and reasonability judgement is carried out to the matching result of each grid.The present invention is implemented
Example can compare the urban development stage according to present situation load (maturity), and with reference to representative region load density, grid saturation is born
Lotus predicted value is evaluated, including：(zone index) higher, it is relatively low, appropriate and other.Preferably, it is described to each grid
Matching result carries out the step of reasonability judgement, can be specially：If the load delivery rate of grid exists with load maturity
In index section, then the reasonability judging result of the grid is appropriate for zone index；If the load delivery rate and load of grid
Maturity is all higher than index section, then the reasonability judging result of the grid is relatively low for zone index；If the load of grid reaches
Index section is respectively less than into rate and load maturity, then the reasonability judging result of the grid is higher for zone index；Other feelings
Condition needs to be analyzed according to grid concrete condition.
Index set-up procedure S104：When the reasonability judging result for having grid is that zone index is relatively low or zone index is inclined
Gao Shi, adjusts the load prediction index in plot corresponding with the grid.The evaluation result of all grids is united in region
In the case of raising consideration, if there is the reasonability judging result for having grid, (including zone index is higher and relatively low to be unreasonable
Situation), then need to make appropriate adjustment to load prediction index.
Iterated revision step S105：Repeat the distant view saturation loading according to each plot of load prediction index calculating；
According to the distant view saturation loading in each plot, the industry and setup state, index result of calculation is obtained；By index result of calculation
Matched with the index section of the region location, obtain the matching result of each grid in region, and to each grid
Matching result carry out reasonability judgement；When the reasonability judging result for having grid is that zone index is relatively low or zone index is inclined
The step of Gao Shi, the load prediction index in adjustment plot corresponding with the grid, until the reasonability of each grid in region is sentenced
Disconnected result is zone index where appropriate, determining the load prediction index in each plot in region.Regional space is recalculated to satisfy
And load, the step of then repeating adjustment, calculate, judge, after the metrics evaluation result of all grids is all reasonable, finally really
Constant load prediction index.
An embodiment of the present invention provides a kind of feedback mechanism, and no matter urban development belongs to steady development or jumps development,
Load delivery rate corresponding with load prediction index can be checked and whether load maturity is reasonable, adjusted according to check results
Load prediction index so that load prediction results are more reasonable, change the experience of depending alone to judge whether load prediction results close
The present situation of reason；On the other hand, use situation load condition checks load prediction results, forms feedback closed loop so that differently
The check result in area is separate, and the load that corresponding plot can be adjusted according to the reasonability judging result of each grid is pre-
Index is surveyed, more close to local conditions, makes prediction result that more there is convincingness.
The embodiment of the present invention does not limit the setup state in plot, it is preferred that the setup state in the plot can wrap
Include it is ripe, sell, purpose, removal, it is built, building and do not building.
In above-mentioned specific embodiment one, there is provided load prediction selecting index method, corresponding, the application
Load prediction selecting index instrument is also provided.Since device embodiment is substantially similar to embodiment of the method, so describing to compare
Simply, the relevent part can refer to the partial explaination of embodiments of method.Device embodiment described below is only schematical.
Specific embodiment two
As shown in figure 3, an embodiment of the present invention provides a kind of load prediction selecting index instrument, including：
Data preparation module 201, is used for：The load prediction index in each plot in selection area, and according to load prediction
Index calculates the distant view saturation loading in each plot；The affiliated industry in each plot is set；Identify the setup state in each plot；
Index computing module 202, is used for：According to the distant view saturation loading in each plot, the industry and setup state, obtain
Fetching mark result of calculation；
Reasonability judgment module 203, is used for：By the progress of the index section of index result of calculation and the region location
Match somebody with somebody, obtain the matching result of each grid in region, and reasonability judgement is carried out to the matching result of each grid；
Index adjusts module 204, is used for：When the reasonability judging result for having grid is that zone index is relatively low or region refers to
When marking higher, the load prediction index in plot corresponding with the grid is adjusted；
Iterated revision module 205, is used for：The distant view saturation for repeating to calculate each plot according to load prediction index is born
Lotus；According to the distant view saturation loading in each plot, the industry and setup state, index result of calculation is obtained；Index is calculated
As a result matched with the index section of the region location, obtain the matching result of each grid in region, and to each
The matching result of grid carries out reasonability judgement；When the reasonability judging result for having grid is that zone index is relatively low or region refers to
When marking higher, the step of adjusting the load prediction index in corresponding with grid plot, until in region each grid it is reasonable
Property judging result be zone index where appropriate, determining the load prediction index in each plot in region.
An embodiment of the present invention provides a kind of feedback mechanism, and no matter urban development belongs to steady development or jumps development,
Load delivery rate corresponding with load prediction index can be checked and whether load maturity is reasonable, adjusted according to check results
Load prediction index so that load prediction results are more reasonable, change the experience of depending alone to judge whether load prediction results close
The present situation of reason；On the other hand, use situation load condition checks load prediction results, forms feedback closed loop so that differently
The check result in area is separate, and the load that corresponding plot can be adjusted according to the reasonability judging result of each grid is pre-
Index is surveyed, more close to local conditions, makes prediction result that more there is convincingness.
Preferably, in the embodiment of the present invention, the index result of calculation can include the load delivery rate and load in region
Maturity；The reasonability judgment module, can be used for：If the load delivery rate of grid is with load maturity in Index areas
In, then the reasonability judging result of the grid is appropriate for zone index；If the load delivery rate of grid and load maturity
Index section is all higher than, then the reasonability judging result of the grid is relatively low for zone index；If the load delivery rate of grid with
Load maturity is respectively less than index section, then the reasonability judging result of the grid is higher for zone index.
Preferably, in the embodiment of the present invention, the index result of calculation can also include the load total amount in region and build up
Production rate, also, load delivery rate (built-up areas)=peak load (present situation)/(peak load (distant view) * be constructed and put into operation rate)；It is negative
Lotus maturity (present situation)=peak load (present situation)/peak load (prediction).
Preferably, in the embodiment of the present invention, the calculation formula of the rate that is constructed and put into operation can be：Be constructed and put into operation rate=built
Into operation block area/subregion construction land gross area (being free of land use for greening).
The embodiment of the present invention does not limit the setup state in plot, it is preferred that the setup state in the plot can wrap
Include it is ripe, sell, purpose, removal, it is built, building and do not building.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
- A kind of 1. load prediction selecting index method, it is characterised in that including：Data preparation step：The load prediction index in each plot in selection area, and according to the distant view saturation in each plot of load prediction index calculating Load；The affiliated industry in each plot is set；Identify the setup state in each plot；Index calculation procedure：According to the distant view saturation loading in each plot, the industry and setup state, index result of calculation is obtained；Reasonability judgment step：Index result of calculation is matched with the index section of the region location, obtains the matching of each grid in region As a result, and reasonability judgement is carried out to the matching result of each grid；Index set-up procedure：When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment is corresponding to the grid Plot load prediction index；Iterated revision step：Repeat the distant view saturation loading according to each plot of load prediction index calculating；According to the distant view saturation in each plot Load, the industry and setup state, obtain index result of calculation；By index result of calculation and the index of the region location Section is matched, and obtains the matching result of each grid in region, and the matching result progress reasonability to each grid is sentenced It is disconnected；When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment is corresponding to the grid Plot load prediction index the step of, until the reasonability judging result of each grid in region is that zone index is appropriate When, determine the load prediction index in each plot in region.
- 2. load prediction selecting index method according to claim 1, it is characterised in that the index result of calculation includes The load delivery rate and load maturity in region；The matching result to each grid carries out the step of reasonability judgement, is specially：With load maturity in index section, if the reasonability judging result of the grid is the load delivery rate of grid Zone index is appropriate；If the load delivery rate of grid is all higher than index section, the reasonability of the grid with load maturity Judging result is relatively low for zone index；If the load delivery rate of grid is respectively less than index section with load maturity, the net The reasonability judging result of lattice is higher for zone index.
- 3. load prediction selecting index method according to claim 2, it is characterised in that the index result of calculation is also wrapped The load total amount in region and the rate that is constructed and put into operation are included, also,Load delivery rate (built-up areas)=peak load (present situation)/(peak load (distant view) * be constructed and put into operation rate)；Load maturity (present situation)=peak load (present situation)/peak load (prediction).
- 4. load prediction selecting index method according to claim 3, it is characterised in that the calculating of the rate that is constructed and put into operation Formula is：Be constructed and put into operation rate=built operation block area/subregion construction land gross area (being free of land use for greening).
- 5. load prediction selecting index method according to claim 1 or 2, it is characterised in that the construction shape in the plot State include it is ripe, sell, purpose, removal, it is built, building and do not building.
- A kind of 6. load prediction selecting index instrument, it is characterised in that including：Data preparation module, is used for：The load prediction index in each plot in selection area, and according to the distant view saturation in each plot of load prediction index calculating Load；The affiliated industry in each plot is set；Identify the setup state in each plot；Index computing module, is used for：According to the distant view saturation loading in each plot, the industry and setup state, index result of calculation is obtained；Reasonability judgment module, is used for：Index result of calculation is matched with the index section of the region location, obtains the matching of each grid in region As a result, and reasonability judgement is carried out to the matching result of each grid；Index adjusts module, is used for：When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment is corresponding to the grid Plot load prediction index；Iterated revision module, is used for：Repeat the distant view saturation loading according to each plot of load prediction index calculating；According to the distant view saturation in each plot Load, the industry and setup state, obtain index result of calculation；By index result of calculation and the index of the region location Section is matched, and obtains the matching result of each grid in region, and the matching result progress reasonability to each grid is sentenced It is disconnected；When the reasonability judging result for having grid is that zone index is relatively low or zone index is higher, adjustment is corresponding to the grid Plot load prediction index the step of, until the reasonability judging result of each grid in region is that zone index is appropriate When, determine the load prediction index in each plot in region.
- 7. load prediction selecting index instrument according to claim 6, it is characterised in that the index result of calculation includes The load delivery rate and load maturity in region；The reasonability judgment module, is used for：With load maturity in index section, if the reasonability judging result of the grid is the load delivery rate of grid Zone index is appropriate；If the load delivery rate of grid is all higher than index section, the reasonability of the grid with load maturity Judging result is relatively low for zone index；If the load delivery rate of grid is respectively less than index section with load maturity, the net The reasonability judging result of lattice is higher for zone index.
- 8. load prediction selecting index instrument according to claim 7, it is characterised in that the index result of calculation is also wrapped The load total amount in region and the rate that is constructed and put into operation are included, also,Load delivery rate (built-up areas)=peak load (present situation)/(peak load (distant view) * be constructed and put into operation rate)；Load maturity (present situation)=peak load (present situation)/peak load (prediction).
- 9. load prediction selecting index instrument according to claim 8, it is characterised in that the calculating of the rate that is constructed and put into operation Formula is：Be constructed and put into operation rate=built operation block area/subregion construction land gross area (being free of land use for greening).
- 10. the load prediction selecting index instrument according to claim 6 or 7, it is characterised in that the construction shape in the plot State include it is ripe, sell, purpose, removal, it is built, building and do not building.
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| CN104751249A (en) * | 2015-04-15 | 2015-07-01 | 国家电网公司 | Space load prediction method |
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