CN109685270A - A kind of electric Plan Curve decomposition method in west and system - Google Patents
A kind of electric Plan Curve decomposition method in west and system Download PDFInfo
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Abstract
The invention discloses a kind of electric Plan Curve decomposition method in west and systems, the described method includes: the electric pick-up point power-limited data in the west for obtaining n node of target time section in target area, the electric planning data matrix of western electric pick-up point power proportions matrix and west is respectively obtained, the electric Plan Curve split-matrix of pick-up point 96 in west of n node is obtained according to expected matrix, the electric planning data matrix of the electric pick-up point power proportions matrix in west and west；It is added the power of the electric pick-up point object time in n west to obtain 96 planning datas of object time；Matrix of differences is obtained according to western electric 96 planning datas of planning data matrix and object time；Western electric Plan Curve split-matrix is obtained according to matrix of differences and 96 Plan Curve split-matrixes.The present invention can further increase the specific prediction data of western electric pick-up point, have particularly important meaning to the precision of prediction for improving Plan Curve of transferring electricity from the west to the east a few days ago.
Description
Technical field
The present invention relates to technical field of power systems, more particularly to a kind of electric Plan Curve decomposition method in west and system.
Background technique
Southwestern China area waterpower resourses are abundant, lack exploitation；Eastern region is economically developed, lacks the energy.Active development
Southwestern China water power, implementing transferring electricity from the west to the east is that exploitation is western, realizes the strategic act that national electric power resource is distributed rationally.
" transferring electricity from the west to the east " is an important process of western power exploi-tation and Implementation of Western Development strategy.Transferring electricity from the west to the east is not
The power supply architecture in Guangdong is only improved, and is conducive to improve electric network security and running quality.Especially into the new century with
Come, Delta of Pearl River needs to construct an opening, polynary, cleaning, peace for the needs of Economic Development Mode Conversion strongly
Entirely, economic energy security system.Therefore, " transferring electricity from the west to the east " distributes with particularly important realization China's electric power resource rationally
Meaning.
However, according to " Guangdong Electric Power market information disclose detailed rules for the implementation (exposure draft) ", announce at this stage about
Plan Curve of transferring electricity from the west to the east a few days ago is only disclosed in the plan information of " transferring electricity from the west to the east ", there is no about the specific of western electric pick-up point
Prediction data.Therefore, the specific prediction data that can further increase western electric pick-up point transfers electricity from the west to the east Plan Curve to raising a few days ago
Precision of prediction have particularly important meaning.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of electric Plan Curve decomposition method in west and systems.
The electric Plan Curve decomposition method in the west provided according to the present invention, comprising:
The electric pick-up point power-limited data in west for obtaining n node of target time section in target area, respectively obtains west
The electric pick-up point power proportions matrix r itio and electric planning data matrix load in westpre, abided by according to the load decomposition ratio of each node
Normal distribution is followed, expected matrix exp is obtained；
According to the electric planning data of the expected matrix exp, the west electricity pick-up point power proportions matrix r itio and the west
Matrix loadpreObtain the western electricity Plan Curve split-matrix load of pick-up point 96 of n nodetus；
It is added the power of the electric pick-up point object time in n west to obtain 96 planning data load of object timetus_sum；
According to the electric planning data matrix load in the westpreAnd described 96 planning data load of object timetus_sumIt obtains
Matrix of differences loaddev；
According to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtusIt is bent to obtain western electricity plan
Line split-matrix loadres。
The electric Plan Curve decomposition method in the west provided according to the present invention, the n of target time section first in acquisition target area
The electric pick-up point power-limited data in the west of a node respectively obtains west electricity pick-up point power proportions matrix r itio and west electricity plan
Data matrix loadpre, it is distributed according to the load decomposition ratio followed normal distribution of each node, obtains expected matrix exp；According to described
Expected matrix exp, the west electricity pick-up point power proportions matrix r itio and the electric planning data matrix load in the westpreObtain n
The western electricity Plan Curve split-matrix load of pick-up point 96 of a nodetus；It can be mentioned by the addition of the expected matrix exp
The randomness and reasonability of height prediction.According to the electric planning data matrix load in the westpreAnd described 96 quotas of object time
According to loadtus_sumObtain matrix of differences loaddev；According to the matrix of differences loaddevAnd 96 Plan Curves decompose square
Battle array loadtusObtain western electric Plan Curve split-matrix loadres.Pass through the matrix of differences loaddevAddition can correct respectively
The deviation of a landing point prediction numerical value improves to obtain western electric Plan Curve split-matrix loadresAccuracy, compared to existing
Technology, the present invention can further increase the specific prediction data of western electric pick-up point, transfer electricity from the west to the east a few days ago Plan Curve to raising
Precision of prediction have particularly important meaning.
In addition, the electric Plan Curve decomposition method in above-mentioned west according to the present invention, can also have following additional technology special
Sign:
Further, described according to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtus?
To western electric Plan Curve split-matrix loadresThe step of after, the method also includes:
By the electric Plan Curve split-matrix load in the westresIn each numerical value increase L simultaneously or reduce L, obtain western electricity
Plan Curve restriction matrix, wherein the L value is determined according to the regulation of the performance assessment criteria in western electric Plan Curve；
Determine the electric Plan Curve split-matrix load in the westresWith the line number of the electric Plan Curve restriction matrix in the west with
Columns difference is consistent.
Further, the electric Plan Curve split-matrix load in the determination westresIt is limited with the electric Plan Curve in the west
After the line number and columns of matrix distinguish consistent step, the method also includes:
Judge the electric Plan Curve split-matrix load in the westresIn numerical value whether in the electric Plan Curve limitation in the west
In matrix in the numberical range of corresponding position；
If so, by the electric Plan Curve split-matrix load in the westresAs western electric Plan Curve split-matrix
loadres；
If it is not, by the electric planning data matrix load in the westpreAs western electric Plan Curve split-matrix loadres。
Further, the electric pick-up point power limit number in west for obtaining n node of target time section in target area
According to being calculated using the following equation the electric pick-up point power in the west in the step of obtaining west electricity pick-up point power proportions matrix r itio
Scaling matrices ritio:
Ritio=powerlim/powersum
Wherein, power1_1For by be divided within 24 hours one day 96 moment the 1st pick-up point first moment limitation function
Rate；
powern_1For by be divided within 24 hours one day 96 moment the 1st pick-up point n-th of moment limitation power；
To be divided into 96 moment for 24 hours one day, each moment, n pick-up point limited the total of power
With.
Further, the step of being distributed according to the load decomposition ratio followed normal distribution of each drop node, obtaining expected matrix exp
Are as follows: random number is generated by [1,0.05] normal distribution in the target time period and is formed by matrix.
Further, the western electricity Plan Curve split-matrix load of pick-up point 96 for obtaining n nodetusIt is specific
Step includes:
By the electric planning data matrix load in the westpre, the west electricity pick-up point power proportions matrix r itio and the phase
Matrix exp is hoped to make Hadamard product operation and obtain 96 Plan Curve split-matrixes loadtus, formula are as follows:
Further, the power by the electric pick-up point object time in n west is added to obtain 96 quotas of object time
According to loadtus_sumThe formula of use are as follows:
Wherein,To be divided into 96 moment, the electric pick-up point first in n west for 24 hours one day
The summation of moment power.
Further, described according to the electric planning data matrix load in the westpreAnd described 96 planning datas of object time
loadtus_sumObtain matrix of differences loaddevFormula are as follows:
Further, described according to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtus?
To western electric Plan Curve split-matrix loadresFormula are as follows:
loadres=loadtus+loaddev
=loadtus+loaddev×ritio
It, can not to solve the prior art it is another object of the present invention to propose a kind of electric Plan Curve decomposing system in west
The problem of specific prediction data of the electric pick-up point in prediction west.
The electric Plan Curve decomposing system in the west provided according to the present invention, comprising:
Module is obtained, for obtaining the electric pick-up point power limit number in the west of n node of target time section in target area
According to respectively obtaining the west electricity pick-up point power proportions matrix r itio and electric planning data matrix load in westpre, for according to each node
Load decomposition ratio followed normal distribution distribution, obtain expected matrix exp；
First computing module, for according to the expected matrix exp, the western electricity pick-up point power proportions matrix r itio
And the electric planning data matrix load in westpreObtain the electric Plan Curve split-matrix of pick-up point 96 in west of n node
loadtus；
Second computing module, by the power of the electric pick-up point object time in n west to be added to obtain based on 96 points of object time
Draw data loadtus_sum；
Third computing module, for according to the electric planning data matrix load in the westpreAnd the 96 point plan of object time
Data loadtus_sumObtain matrix of differences loaddev；
4th computing module, for according to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes
loadtusObtain western electric Plan Curve split-matrix loadres；
Judgment module, for judging the electric Plan Curve split-matrix load in the westresIn numerical value whether it is described west electricity
Planning data matrix loadpreIn the range of middle numerical value.
Detailed description of the invention
Fig. 1 is a kind of flow chart for the electric Plan Curve decomposition method in west that first embodiment of the invention proposes；
Fig. 2 is a kind of flow chart for the electric Plan Curve decomposition method in west that second embodiment of the invention proposes；
Fig. 3 is a kind of structural block diagram for the electric Plan Curve decomposing system in west that third embodiment of the invention proposes.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the electric Plan Curve decomposition method in a kind of west that first embodiment of the invention proposes, wherein including step
Rapid S101~S105:
Step S101 obtains the electric pick-up point power-limited data in west of n node of target time section in target area, point
The west electricity pick-up point power proportions matrix r itio and electric planning data matrix load in west is not obtainedpre, according to the load of each node point
The distribution of solution ratio followed normal distribution, obtains expected matrix exp.
Wherein, when needing to decompose the electric Plan Curve in the west of target time section in target area, mesh is obtained first
The electric Plan Curve in west of following certain section of target time section in region is marked, being by the electric Plan Curve uniform discrete in the west includes n
The electric pick-up point power-limited data in the west of a node；The western electricity of the n node to obtain target time section in target area is fallen
Place power-limited data.
In the present embodiment, using target area Tuesday as target time section, predicts and the electric Plan Curve in west for decomposing Tuesday obtains
Into the method for the electric pick-up point in n west: in the step of wherein obtaining west electricity pick-up point power proportions matrix r itio, use is following
Formula calculates the western electricity pick-up point power proportions matrix r itio:
Ritio=powerlim/powersum
Wherein, power1_1To be divided into the 1st pick-up point of 96 moment for 24 hours of target time section Tuesday one day
The limitation power at one moment；
powern_1For by be divided within 24 hours one day 96 moment the 1st pick-up point n-th of moment limitation power；
To be divided into 96 moment, each moment n landing for 24 hours of target time section Tuesday one day
The summation of point limitation power.
The step of being distributed according to the load decomposition ratio followed normal distribution of each drop node, obtaining expected matrix exp are as follows: in target
Random number is generated by [1,0.05] normal distribution in period and is formed by matrix.
Wherein, the expected matrix exp and west electricity pick-up point power proportions matrix r itio obtains line number and columns is distinguished
Unanimously.It should be understood that due to the expectation square exp gusts meet normal distribution, pass through the expected matrix exp plus
Enter can be improved the randomness and reasonability of a landing point prediction after the electric Plan Curve in the west decomposes.
Step S102, according to the expected matrix exp, the west electricity pick-up point power proportions matrix r itio and the west
Electric planning data matrix loadpreObtain the western electricity Plan Curve split-matrix load of pick-up point 96 of n nodetus。
Wherein, the western electricity Plan Curve split-matrix load of pick-up point 96 for obtaining n nodetusSpecific steps
Include:
By the electric planning data matrix load in the westpre, the west electricity pick-up point power proportions matrix r itio and the phase
Matrix exp is hoped to make Hadamard product operation and obtain 96 Plan Curve split-matrixes loadtus, formula are as follows:
Step S103 is added the power of the electric pick-up point object time in n west to obtain 96 planning datas of object time
loadtus_sum。
The power by the electric pick-up point object time in n west is added to obtain 96 planning datas of object time
loadtus_sumThe formula of use are as follows:
Wherein,For by target time section Tuesday one day 24 hours one point be 96 when
It carves, the summation of electric first moment of the pick-up point power in n west.
Step S104, according to the electric planning data matrix load in the westpreAnd described 96 planning datas of object time
loadtus_sumObtain matrix of differences loaddev。
Wherein, described according to the electric planning data matrix load in the westpreAnd described 96 planning datas of object time
loadtus_sumObtain matrix of differences loaddevFormula are as follows:
It should be understood that the matrix of differences loaddevIt is by the electric planning data matrix load in the westpreWith the target
96 planning data load of momenttus_sumSubtract each other obtained data.
Step S105, according to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtusObtain west
Electric Plan Curve split-matrix loadres。
Wherein, described according to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtusObtain west
Electric Plan Curve split-matrix loadresFormula are as follows:
loadres=loadtus+loaddev
=loadtus+loaddev×ritio
Wherein, loaddevThe operation of × ritio is by loaddevIt carries out duplication and is extended to after n row to carry out hada with ritio
Ma accumulates operation, is common matrix operation, it will not be described here.
It should be understood that the electric Plan Curve split-matrix load in westresIt is by the matrix of differences loaddevWith it is described
West electricity pick-up point power proportions matrix r itio make Hadamard product operation, then with 96 Plan Curve split-matrixes
loadtusMatrix obtained from addition.By the way that difference to be assigned to the prediction numerical matrix of each pick-up point, to correct institute
State western electric Plan Curve split-matrix loadresPrediction deviation, improve the accurate fixed of result, meet practical application request.
The electric Plan Curve decomposition method in the west provided according to the present invention, the n of target time section first in acquisition target area
The electric pick-up point power-limited data in the west of a node respectively obtains west electricity pick-up point power proportions matrix r itio and west electricity plan
Data matrix loadpre, it is distributed according to the load decomposition ratio followed normal distribution of each node, obtains expected matrix exp；According to described
Expected matrix exp, the west electricity pick-up point power proportions matrix r itio and the electric planning data matrix load in the westpreObtain n
The western electricity Plan Curve split-matrix load of pick-up point 96 of a nodetus；It can be mentioned by the addition of the expected matrix exp
The randomness and reasonability of height prediction.According to the electric planning data matrix load in the westpreAnd described 96 quotas of object time
According to loadtus_sumObtain matrix of differences loaddev；According to the matrix of differences loaddevAnd 96 Plan Curves decompose square
Battle array loadtusObtain western electric Plan Curve split-matrix loadres.Pass through the matrix of differences loaddevAddition can correct respectively
The deviation of a landing point prediction numerical value improves to obtain western electric Plan Curve split-matrix loadresAccuracy, compared to existing
Technology, the present invention can further increase the specific prediction data of western electric pick-up point, transfer electricity from the west to the east a few days ago Plan Curve to raising
Precision of prediction have particularly important meaning.
Referring to Fig. 2, for second embodiment Chinese and Western electricity Plan Curve decomposition method, similarly, wherein including step
S201~S205.
Step S201, by the electric planning data matrix load in the westpreIn each numerical value simultaneously increase L or reduce L, obtain
To western electric Plan Curve restriction matrix.
Wherein, the L value is determined according to the regulation of the performance assessment criteria in western electric Plan Curve.In the present embodiment, the L value
It is the 95% of tolerance, to guarantee the electric planning data matrix load in the westpreIn each numerical value increase L at the same time or subtract
Still meet the performance assessment criteria regulation in western electric Plan Curve after small L.But not limited to this, in other embodiments, the L value may be used also
Think the 85% of tolerance, user can be adjusted according to actual needs, to meet different engineering demands.
Step S202 determines the electric planning data matrix load in the westpreWith the row of the electric Plan Curve restriction matrix in the west
It is several consistent with columns difference.To ensure the electric planning data matrix load in the westpreIt is transported with the electric Plan Curve restriction matrix in the west
The accuracy of calculation.
Step S203 judges the electric Plan Curve split-matrix load in the westresIn numerical value whether it is described west electricity plan
In curve restriction matrix in the numberical range of corresponding position.If so, S204 is thened follow the steps, if it is not, thening follow the steps S205.
Herein it should also be noted that, the electric Plan Curve split-matrix load in the judgement westresIn numerical value whether
Method in the electric Plan Curve restriction matrix in the west in the numberical range of corresponding position are as follows:
If the electric Plan Curve restriction matrix in west is by the electric planning data matrix load in the westpreIn each numerical value
Increase L simultaneously, then judges the electric Plan Curve split-matrix load in the westresIn numerical value whether be less than it is described west electricity plan
The numerical value of curve restriction matrix corresponding position；If the electric Plan Curve restriction matrix in west is by the electric planning data matrix in the west
loadpreIn each numerical value reduce L simultaneously, then judge the electric Plan Curve split-matrix load in the westresIn numerical value be
The no numerical value greater than the electric Plan Curve restriction matrix corresponding position in the west.
Step S204, by the electric Plan Curve split-matrix load in the westresAs objective matrix.
Step S205, by the electric planning data matrix load in the westpreAs objective matrix.
The present embodiment further perfect western electric Plan Curve decomposition method on the basis of first embodiment, improves standard
True property.
It should be noted that the present embodiment stressed is difference with a upper embodiment, between each embodiment
The non-repeated description in same and similar part, can be with cross-reference, and the technical characteristic between each embodiment can be according to this field
The conventional technical means of technical staff carries out selective combination.
Referring to Fig. 3, based on the same inventive concept, the third embodiment of the present invention provides west electric Plan Curve resolving system
System, comprising: obtain module 10, the first computing module 20, the second computing module 30, third computing module 40, the 4th computing module
50 and judgment module 60.
The acquisition module 10, for obtaining the electric pick-up point power in the west of n node of target time section in target area
Data are limited, the west electricity pick-up point power proportions matrix r itio and electric planning data matrix load in west is respectively obtainedpre, according to each section
The load decomposition ratio followed normal distribution distribution of point, obtains expected matrix exp；
The electric pick-up point power-limited data in the west of n node of target time section, obtains west in the acquisition target area
In the step of electric pick-up point power proportions matrix r itio, it is calculated using the following equation the electric pick-up point power proportions matrix in the west
Ritio:
Ritio=powerlim/powersum
Wherein, power1_1For by be divided within 24 hours one day 96 moment the 1st pick-up point first moment limitation function
Rate；powern_1For by be divided within 24 hours one day 96 moment the 1st pick-up point n-th of moment limitation power；
To be divided into 96 moment for 24 hours one day, each moment, n pick-up point limited the total of power
With.
The step of being distributed according to the load decomposition ratio followed normal distribution of each drop node, obtaining expected matrix exp are as follows: in target
Random number is generated by [1,0.05] normal distribution in period and is formed by matrix.
First computing module 20, for according to the expected matrix, the electric pick-up point power proportions matrix in the west
The ritio and electric planning data matrix load in the westpreObtain the electric Plan Curve split-matrix of pick-up point 96 in west of n node
loadtus；
The western electricity Plan Curve split-matrix load of pick-up point 96 for obtaining n nodetusSpecific steps include:
By the electric planning data matrix load in the westpre, the west electricity pick-up point power proportions matrix r itio and the phase
Matrix exp is hoped to make Hadamard product operation and obtain 96 Plan Curve split-matrixes loadtus, formula are as follows:
Second computing module 30, for being added the power of the electric pick-up point object time in n west to obtain object time
96 planning data loadtus_sum；
The power by the electric pick-up point object time in n west is added to obtain 96 planning datas of object time
loadtus_sumThe formula of use are as follows:
Wherein,To be divided into 96 moment, the electric pick-up point first in n west for 24 hours one day
The summation of moment power.
The third computing module 40, for according to the electric planning data matrix load in the westpreAnd the object time 96
Point planning data loadtus_sumObtain matrix of differences loaddev；
It is described according to the electric planning data matrix load in the westpreAnd described 96 planning data load of object timetus_sum
Obtain matrix of differences loaddevFormula are as follows:
4th computing module 50, for according to the matrix of differences loaddevAnd 96 Plan Curves decompose square
Battle array loadtusObtain western electric Plan Curve split-matrix loadres；
It is described according to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtusObtain western electricity meter
Tracing split-matrix loadresFormula are as follows:
loadres=loadtus+loaddev
=loadtus+loaddev×ritio
Wherein, loaddevThe operation of × ritio is by loaddevIt carries out duplication and is extended to after n row to carry out hada with ritio
Ma accumulates operation, is common matrix operation, it will not be described here.
The judgment module 60, for judging the electric Plan Curve split-matrix load in the westresIn numerical value whether in institute
State western electric planning data matrix loadpreIn the range of middle numerical value.
In the present embodiment, the judgment module 60 includes: arithmetic element 61, determination unit 62 and judging unit 63.
Arithmetic element 61 is obtained for each numerical value in the electric planning data matrix in the west to be increased L simultaneously or reduces L
To western electric Plan Curve restriction matrix, wherein the L value is determined according to the regulation of the performance assessment criteria in western electric Plan Curve；
Determination unit 62, for determining the row of the electric Plan Curve restriction matrix of the electric planning data matrix in the west and the west
It is several consistent with columns difference.
Judging unit 63, for judging the electric Plan Curve split-matrix load in the westresIn numerical value whether in the west
In electric Plan Curve restriction matrix in the numberical range of corresponding position；
Specifically, when determining the electric Plan Curve split-matrix load in the westresIn numerical value it is bent in the west electricity plan
In line restriction matrix in the numberical range of corresponding position, then by the electric Plan Curve split-matrix load in the westresAs target square
Battle array；When determining the electric Plan Curve split-matrix load in the westresIn numerical value not in the electric Plan Curve restriction matrix in the west
In the numberical range of middle corresponding position, then by the electric planning data matrix load in the westpreAs objective matrix.
The electric Plan Curve decomposing system in the west provided according to the present invention, the n of target time section first in acquisition target area
The electric pick-up point power-limited data in the west of a node respectively obtains west electricity pick-up point power proportions matrix r itio and west electricity plan
Data matrix loadpre, it is distributed according to the load decomposition ratio followed normal distribution of each node, obtains expected matrix exp；According to described
Expected matrix exp, the west electricity pick-up point power proportions matrix r itio and the electric planning data matrix load in the westpreObtain n
The western electricity Plan Curve split-matrix load of pick-up point 96 of a nodetus；It can be mentioned by the addition of the expected matrix exp
The randomness and reasonability of height prediction.According to the electric planning data matrix load in the westpreAnd described 96 quotas of object time
According to loadtus_sumObtain matrix of differences loaddev；According to the matrix of differences loaddevAnd 96 Plan Curves decompose square
Battle array loadtusObtain western electric Plan Curve split-matrix loadres.Pass through the matrix of differences loaddevAddition can correct respectively
The deviation of a landing point prediction numerical value improves to obtain western electric Plan Curve split-matrix loadresAccuracy, compared to existing
Technology, the present invention can further increase the specific prediction data of western electric pick-up point, transfer electricity from the west to the east a few days ago Plan Curve to raising
Precision of prediction have particularly important meaning.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of electric Plan Curve decomposition method in west, which is characterized in that described method includes following steps:
The electric pick-up point power-limited data in west for obtaining n node of target time section in target area, respectively obtains western electricity and falls
The place power proportions matrix r itio and electric planning data matrix load in westpre, followed just according to the load decomposition ratio of each node
State distribution, obtains expected matrix exp；
According to the electric planning data matrix of the expected matrix exp, the west electricity pick-up point power proportions matrix r itio and the west
loadpreObtain the western electricity Plan Curve split-matrix load of pick-up point 96 of n nodetus；
It is added the power of the electric pick-up point object time in n west to obtain 96 planning data load of object timetus_sum；
According to the electric planning data matrix load in the westpreAnd described 96 planning data load of object timetus_sumObtain difference
Matrix loaddev；
According to the matrix of differences loaddevAnd 96 Plan Curve split-matrixes loadtusObtain western electric Plan Curve point
Dematrix loadres。
2. the electric Plan Curve decomposition method in west according to claim 1, which is characterized in that described according to the matrix of differences
loaddevAnd 96 Plan Curve split-matrixes loadtusObtain western electric Plan Curve split-matrix loadresThe step of it
Afterwards, the method also includes:
By the electric planning data matrix load in the westpreIn each numerical value increase L simultaneously or reduce L, obtain western electric Plan Curve
Restriction matrix, wherein the L value is determined according to the regulation of the performance assessment criteria in western electric Plan Curve；
Determine the electric planning data matrix load in the westpreDistinguish with the line number and columns of the electric Plan Curve restriction matrix in the west
Unanimously.
3. the electric Plan Curve decomposition method in west according to claim 2, which is characterized in that the determination west electricity plan
Data matrix loadpreAfter distinguishing consistent step with the line number and columns of the electric Plan Curve restriction matrix in the west, the side
Method further include:
Judge the electric Plan Curve split-matrix load in the westresIn numerical value whether in the electric Plan Curve restriction matrix in the west
In the numberical range of middle corresponding position；
If so, by the electric Plan Curve split-matrix load in the westresAs objective matrix；
If it is not, by the electric planning data matrix load in the westpreAs objective matrix.
4. the electric Plan Curve decomposition method in west according to claim 1, which is characterized in that mesh in the acquisition target area
The electric pick-up point power-limited data in west for marking the n node of period, obtains the step of western electricity pick-up point power proportions matrix r itio
In rapid, it is calculated using the following equation the western electricity pick-up point power proportions matrix r itio:
Ritio=powerlim/powersum
Wherein, power1_1For by be divided within 24 hours one day 96 moment the 1st pick-up point first moment limitation power；
powern_1For by be divided within 24 hours one day 96 moment the 1st pick-up point n-th of moment limitation power；
To be divided into 96 moment, the summation of n pick-up point limitation power of each moment for 24 hours one day.
5. the electric Plan Curve decomposition method in west according to claim 1, which is characterized in that according to the load of each drop node point
The step of solution ratio followed normal distribution distribution, acquisition expected matrix exp are as follows: raw by [1,0.05] normal distribution in the target time period
Matrix is formed by random number.
6. the electric Plan Curve decomposition method in west according to claim 1, which is characterized in that the west for obtaining n node
The Plan Curve split-matrix load of electric pick-up point 96tusSpecific steps include:
By the electric planning data matrix load in the westpre, the west electricity pick-up point power proportions matrix r itio and the expectation square
Battle array exp makees Hadamard product operation and obtains 96 Plan Curve split-matrixes loadtus, formula are as follows:
7. the electric Plan Curve decomposition method in west according to claim 1, which is characterized in that described by the electric pick-up point in n west
The power of object time is added to obtain 96 planning data load of object timetus_sumThe formula of use are as follows:
Wherein,To be divided into 96 moment, n west electric first moment of pick-up point for 24 hours one day
The summation of power.
8. the electric Plan Curve decomposition method in west according to claim 7, which is characterized in that described according to the west electricity plan
Data matrix loadpreAnd described 96 planning data load of object timetus_sumObtain matrix of differences loaddevFormula are as follows:
9. the electric Plan Curve decomposition method in west according to claim 1, which is characterized in that described according to the matrix of differences
loaddevAnd 96 Plan Curve split-matrixes loadtusObtain western electric Plan Curve split-matrix loadresFormula are as follows:
loadres=loadtus+loaddev
=loadtus+loaddev×ritio。
10. the electric Plan Curve decomposing system in west according to claim 1 characterized by comprising
Module is obtained, for obtaining the electric pick-up point power-limited data in the west of n node of target time section in target area, point
The west electricity pick-up point power proportions matrix r itio and electric planning data matrix load in west is not obtainedpre, according to the load of each node point
The distribution of solution ratio followed normal distribution, obtains expected matrix exp；
First computing module, for according to the expected matrix, the west electricity pick-up point power proportions matrix r itio and the west
Electric planning data matrix loadpreObtain the western electricity Plan Curve split-matrix load of pick-up point 96 of n nodetus；
Second computing module, for being added the power of the electric pick-up point object time in n west to obtain 96 quotas of object time
According to loadtus_sum；
Third computing module, for according to the electric planning data matrix load in the westpreAnd described 96 planning datas of object time
loadtus_sumObtain matrix of differences loaddev；4th computing module, for according to the matrix of differences loaddevAnd described 96 points
Plan Curve split-matrix loadtusObtain western electric Plan Curve split-matrix loadres；
Judgment module, for judging the electric Plan Curve split-matrix load in the westresIn numerical value whether it is described west electricity plan
Data matrix loadpreIn the range of middle numerical value.
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| CN106203736A (en) * | 2016-07-28 | 2016-12-07 | 华北电力大学 | A kind of formulating method of large-scale Energy Base wind-fire isolated island direct current transportation plan |
| CN106451568A (en) * | 2016-11-19 | 2017-02-22 | 大连理工大学 | Medium-short term coordinated dispatching method for ultra-high voltage AC-DC hybrid power grid |
| CN108320111A (en) * | 2018-03-16 | 2018-07-24 | 大连理工大学 | A kind of ultra-large GROUP OF HYDROPOWER STATIONS practical dispatching method in short term |
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