CN108268982A - A kind of extensive active power distribution network decomposition strategy evaluation method and device - Google Patents
A kind of extensive active power distribution network decomposition strategy evaluation method and device Download PDFInfo
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Abstract
The present invention provides a kind of extensive active power distribution network decomposition strategy evaluation method and device, and method includes：Determine extensive active power distribution network decomposition strategy evaluation indice；Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index by AHP；Extensive active power distribution network decomposition strategy evaluation score is obtained, and extensive active power distribution network decomposition strategy is evaluated according to the weight of determining each index.The present invention considers many factors such as resource utilization, parallel efficiency calculation, the autgmentability of parallel system and parallel computation precision, the weight of each index is determined based on analytic hierarchy process (AHP), extensive active power distribution network decomposition strategy has been made quantitative, comprehensive evaluation.
Description
Technical field
The present invention relates to a kind of power distribution network decomposition techniques, and in particular to a kind of extensive active power distribution network based on AHP point
Solve tactical comment method and apparatus.
Background technology
The equipment of power distribution network is numerous, complicated, in large scale, and analysis calculates complex.Especially with intelligent electricity
The development of net, a large amount of distributed generation resource access power distribution network, and distribution system analysis calculating becomes more complicated.It is decomposed by power distribution network
The calculation scale of problem can be substantially reduced, saves a large amount of calculating time.But different isolations is subsequent in progress
During calculating, computer resource, run time and the computational accuracy consumed is different.Preferable partitioned mode should cause
Divide the calculation scale in each region should be close, otherwise can waste computer resource due to waiting for mutually；From the angle of operation time
Degree considers, should make as possible each time interative computation calculation scale (time scale) it is small as possible, that is, there is larger parallel computation to accelerate
Than.In addition, also to ensure that the computational solution precision after subregion is roughly the same with before subregion, to ensure the accurate of result of calculation
Property.Therefore, it needs to consider resource utilization, parallel efficiency calculation, parallel system when evaluating power distribution network decomposition strategy
How many factors such as the autgmentability and parallel computation precision of system make these factors be unified in a tactical comment model well
In be good problem to study.
Analytic hierarchy process (AHP) (The Analytic Hierarchy Process, AHP) be 1971 by the U.S. plan strategies for scholar,
A kind of Multifactor Decision Making method of practicality that University of Pittsburgh professor Sa Di puts forward.This method is to some more complicated moulds
Paste decision-making problem of multi-objective is decomposed, and is resolved into multiple targets or criterion, is further decomposed into several levels of multi objective, so
Qualitative index is subjected to fuzzy quantization afterwards, Mode of Level Simple Sequence (flexible strategy) and total sequence is calculated, obtains final appraisal results.Level
The problem of analytic approach is difficult to complete quantitative analysis suitable for those, this method is flexible, should be readily appreciated that.This method be it is a kind of it is qualitative with
The decision-making technique being quantitatively combined is suitable for the qualitative judgement of expert its important function, directly accurate meter is difficult to the result of decision
The decision problem of amount.
For at present, in the prior art and there is no the methods evaluated extensive active power distribution network decomposition strategy.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of extensive active power distribution network based on AHP point
Tactical comment method and apparatus are solved, consider resource utilization, parallel efficiency calculation, the autgmentability of parallel system and parallel meter
The many factors such as precision are calculated, the weight of each index are determined based on analytic hierarchy process (AHP), to extensive active power distribution network decomposition strategy
Make quantitative, comprehensive evaluation.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that：
The present invention provides a kind of extensive active power distribution network decomposition strategy evaluation method based on AHP, the method includes：
Determine extensive active power distribution network decomposition strategy evaluation indice；
Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index by AHP；
Extensive active power distribution network decomposition strategy evaluation score is obtained, and to advising greatly according to the weight of determining each index
Mould active power distribution network decomposition strategy is evaluated.
The index that the extensive active power distribution network decomposition strategy evaluation index is concentrated includes resource utilization, parallel computation
Efficiency, the autgmentability of parallel system and parallel computation precision.
The resource utilization y1It represents, has：
Wherein, Pi 2For the parallel computation scale of subregion i, i=1,2 ..., n, n is the number of partitions of extensive active power distribution network
Mesh；
The parallel efficiency calculation y2It represents, has：
Wherein, T1For serial computing time, TnFor parallel computation time, nTnFor parallel computation total time；
The autgmentability y of the parallel system3It represents, has：
Wherein, T0It is to include the total parallel overhead of parallel system that is synchronous and communicating；TnFor the parallel computation time；
The parallel computation precision y4It represents, has：
Wherein, j is numbered for subregion interior nodes, j=1,2...h, and h is total for subregion interior nodes, U'jMatch to be active on a large scale
The voltage value of node j that power grid is obtained after decomposing by parallel computation；UjSerial computing before being decomposed for extensive active power distribution network
The obtained voltage value of node j.
It is described to determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight packet of each index by AHP
It includes：
Using reciprocity 1-9 scaling law Judgement Matricies；
Whether test and judge matrix meets coherence request, and active on a large scale match is determined according to judgment matrix B if meeting
Power grid decomposition strategy evaluation index concentrates the weight of each index.
The judgment matrix represents have with B：
Whether the test and judge matrix, which meets coherence request, includes：
If random consistency ratio is CR, it is expressed as：
Wherein, RI is Aver-age Random Consistency Index, value 0.90；CI is coincident indicator；
Since extensive active power distribution network decomposition strategy evaluation index concentration has 4 indexs, then CI is expressed as：
If CR<0.1, then show that judgment matrix B meets coherence request；
It is described to determine that extensive active power distribution network decomposition strategy evaluation index concentrates the power of each index according to judgment matrix B
Include again：
The maximum eigenvalue λ of judgment matrix B, judgment matrix BmaxAnd λmaxMeet between corresponding feature vector v：
Bv=λmaxv
Then it obtains：
V=[v1 v2 v3 v4]T
Wherein, v1、v2、v3、v4For element in v, T represents transposition；
Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index according to v：
Wherein, ω1The weight of resource utilization, ω are concentrated for extensive active power distribution network decomposition strategy evaluation index2It is big
Scale active power distribution network decomposition strategy evaluation index concentrates the weight of parallel efficiency calculation, ω3For extensive active power distribution network point
Solve the weight of the autgmentability of parallel system in tactical comment index set, ω4Refer to for the evaluation of extensive active power distribution network decomposition strategy
Mark concentrates the weight of parallel computation precision.
The weight of each index that the basis determines obtains extensive active power distribution network decomposition strategy evaluation score, and right
Extensive active power distribution network decomposition strategy carries out evaluation and includes：
Extensive active power distribution network decomposition strategy evaluation score is obtained according to the weight of determining each index：
The extensive active power distribution network decomposition strategy evaluation score represents have with Y：
Y=ω1y1+ω2y2+ω3y3+ω4y4
Extensive active power distribution network decomposition strategy is evaluated according to Y：
(1) if 0.7≤Y≤1, the opinion rating for showing extensive active power distribution network decomposition strategy is excellent；
(2) if 0.55≤Y ＜ 0.7, the opinion rating for showing extensive active power distribution network decomposition strategy is good；
(3) if 0.4≤Y ＜ 0.55, during the opinion rating that shows extensive active power distribution network decomposition strategy is；
(4) if 0≤Y ＜ 0.4, the opinion rating for showing extensive active power distribution network decomposition strategy is poor.
The present invention also provides a kind of extensive active power distribution network decomposition strategy evaluating apparatus based on AHP, described device packets
It includes：
For determining the device of extensive active power distribution network decomposition strategy evaluation indice；
For determining that extensive active power distribution network decomposition strategy evaluation index concentrates the dress of the weight of each index by AHP
It puts；And
For obtaining extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index, and it is right
The device that extensive active power distribution network decomposition strategy is evaluated.
The index that the extensive active power distribution network decomposition strategy evaluation index is concentrated includes resource utilization, parallel computation
Efficiency, the autgmentability of parallel system and parallel computation precision.
It is described to be used to determine that the device of extensive active power distribution network decomposition strategy evaluation indice includes：
For determine resource utilization device, for determine parallel efficiency calculation device, for determining parallel system
Autgmentability device and device for determining parallel computation precision.
The device for being used to determine resource utilization determines resource utilization y according to the following formula1：
Wherein, Pi 2For the parallel computation scale of subregion i, i=1,2 ..., n, n is the number of partitions of extensive active power distribution network
Mesh.
The device for being used to determine parallel efficiency calculation determines parallel efficiency calculation y according to the following formula2：
Wherein, T1For serial computing time, TnFor parallel computation time, nTnFor parallel computation total time.
The device of the autgmentability for being used to determine parallel system determines the autgmentability y of parallel system according to the following formula3：
Wherein, T0It is to include the total parallel overhead of parallel system that is synchronous and communicating；TnFor the parallel computation time.
The device for being used to determine parallel computation precision determines parallel computation precision y according to the following formula4：
Wherein, j is numbered for subregion interior nodes, j=1,2...h, and h is total for subregion interior nodes, U'jMatch to be active on a large scale
The voltage value of node j that power grid is obtained after decomposing by parallel computation；UjSerial computing before being decomposed for extensive active power distribution network
The obtained voltage value of node j.
It is described to be used to determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index by AHP
Device include：
For using the device of reciprocity 1-9 scaling law Judgement Matricies；With
Whether meet coherence request for test and judge matrix, determine have on a large scale according to judgment matrix B if meeting
Source power distribution network decomposition strategy evaluation index concentrates the device of the weight of each index.
It is described to be used to be represented with B using the judgment matrix that the device of reciprocity 1-9 scaling law Judgement Matricies constructs,
Have：
It is described whether to meet coherence request for test and judge matrix, it determines to advise greatly according to judgment matrix B if meeting
Mould active power distribution network decomposition strategy evaluation index concentrates the device of the weight of each index to include：
Whether meet the device of coherence request for test and judge matrix；With
For determining that extensive active power distribution network decomposition strategy evaluation index concentrates the power of each index according to judgment matrix B
The device of weight.
The device for whether meeting coherence request for test and judge matrix includes：
For calculating the device of random consistency ratio CR according to the following formula：
Wherein, RI is Aver-age Random Consistency Index, value 0.90；CI is coincident indicator,
It is described to be used to obtain extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index,
And the device evaluated extensive active power distribution network decomposition strategy includes：
For obtaining the dress of extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index
Put and
For according to extensive active power distribution network decomposition strategy evaluate score to extensive active power distribution network decomposition strategy into
The device of row evaluation.
Compared with the immediate prior art, technical solution provided by the invention has the advantages that：
(1) present invention carries out the evaluation of extensive active power distribution network decomposition strategy using analytic hierarchy process (AHP), using comparing two-by-two
The input mode of judgement can be relatively easy to handle the factor of not yet effective quantification, and method is flexible, should be readily appreciated that；
(2) compared with the evaluation model of only single index, the extensive active power distribution network based on analytic hierarchy process (AHP) herein
Decomposition strategy evaluation method has considered resource utilization, parallel efficiency calculation, the autgmentability of parallel system and parallel computation
The factors such as precision more exact can reflect the quality of parallel efficiency calculation and the height of computational accuracy after subregion, evaluation result
Confidence level higher.
Description of the drawings
Fig. 1 is the extensive active power distribution network decomposition strategy evaluation method flow chart based on AHP in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention provides a kind of extensive active power distribution network decomposition strategy evaluation method based on AHP, analytic hierarchy process (AHP) pair
The thought process of decision carries out quantitative analysis, improves the validity of decision, can well solve and various factors are united
One in the problems in evaluation model, and new approaches are provided for processing power distribution network decomposition strategy evaluation problem.This method includes：
Determine extensive active power distribution network decomposition strategy evaluation indice；
Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index by AHP；
Extensive active power distribution network decomposition strategy evaluation score is obtained, and to advising greatly according to the weight of determining each index
Mould active power distribution network decomposition strategy is evaluated.
The index that the extensive active power distribution network decomposition strategy evaluation index is concentrated includes resource utilization, parallel computation
Efficiency, the autgmentability of parallel system and parallel computation precision.
The resource utilization y1It represents, has：
Wherein, Pi 2For the parallel computation scale of subregion i, i=1,2 ..., n, n is the number of partitions of extensive active power distribution network
Mesh；
y1Represent that each subregion calculation scale is closer closer to 1, the level of resources utilization is also higher.
The parallel efficiency calculation y2It represents, has：
Wherein, T1For serial computing time, TnFor parallel computation time, nTnFor parallel computation total time；
y2During equal to 1, parallel efficiency calculation highest.
If a parallel system can extend (diminution) into the system of a bigger (smaller), and linearly increase (reduction)
Its performance (cost), then as parallel system be referred to as expansible system.According to such definition, increase system improves systematicness
Energy or reduction system improve cost performance and belong to scalability scope.
The autgmentability y of parallel system3It represents, has：
Wherein, T0It is to include the total parallel overhead of parallel system that is synchronous and communicating；TnFor the parallel computation time；
The scalability for reflecting parallel system is determined by parallel overhead and the relative time of parallel computation
's.Autgmentability index more can intuitively reflect the scalability of parallel system, the parallel system of a favorable expandability, extension
Property is close to 1.
By to known extensive active power distribution network be calculated the voltage value of each node, so as to be had on a large scale
The voltage level of source power distribution network.The voltage change situation of each node, determines subregion before and after being decomposed by voltage level comparing cell
Influence of the parallel computation to overall calculation precision afterwards.The parallel computation precision y4It represents, has：
Wherein, j is numbered for subregion interior nodes, j=1,2...h, and h is total for subregion interior nodes, U'jMatch to be active on a large scale
The voltage value of node j that power grid is obtained after decomposing by parallel computation；UjSerial computing before being decomposed for extensive active power distribution network
The obtained voltage value of node j.
Choose the height of voltage change maximum value reflection parallel computation precision.Before and after extensive active power distribution network is decomposed
The identical i.e. y of each node voltage4During equal to 1, parallel computation precision highest.
It is described to determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight packet of each index by AHP
It includes：
Using reciprocity 1-9 scaling law Judgement Matricies：
The application form of a certain assessment object is first determined, such as table 1：
Table 1
In table 1, m be index number to be assessed, bfgSignificance levels of the index f relative to index g is reflected, using reciprocity
Comparing result two-by-two is write as numerical value by 1-9 scaling laws, you can forms judgment matrix, scale meaning is shown in Table 2：
Table 2
| Scale | Meaning |
| 1 | It represents that two factors are compared, there is equal importance |
| 3 | Represent that two factors are compared, the former is slightly more important than the latter |
| 5 | Represent that two factors are compared, the former is more apparent than the latter important |
| 7 | Represent that two factors are compared, the former is stronger than the latter important |
| 9 | Represent that two factors are compared, the former is more extremely important than the latter |
| 2,4,6,8 | Represent the median of above-mentioned adjacent judgement |
| The inverse of each number | Represent that two factors are compared, the latter is than the former significance level |
Then have
M is equal to 4 in the present embodiment, then judgment matrix
Whether test and judge matrix meets coherence request, and active on a large scale match is determined according to judgment matrix B if meeting
Power grid decomposition strategy evaluation index concentrates the weight of each index.
Whether test and judge matrix, which meets coherence request, includes：
If random consistency ratio is CR, it is expressed as：
Wherein, CI is coincident indicator；RI is Aver-age Random Consistency Index, determines that RI is 0.90 according to table 3；
Table 3
| m | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| RI | 0.58 | 0.90 | 1.12 | 1.24 | 1.32 | 1.41 | 1.45 | 1.49 | 1.52 | 1.54 | 1.55 | 1.56 | 1.57 | 1.58 |
Since extensive active power distribution network decomposition strategy evaluation index concentration has 4 indexs, when judgment matrix is completely the same
When, the Maximum characteristic root λ of judgment matrix BmaxIt is 4；When judgment matrix is not exclusively consistent, λmaxMore than 4；Then CI is represented
For：
If CR<0.1, then show that judgment matrix B meets coherence request；
It is described to determine that extensive active power distribution network decomposition strategy evaluation index concentrates the power of each index according to judgment matrix B
Include again：
The maximum eigenvalue λ of judgment matrix B, judgment matrix BmaxAnd λmaxMeet between corresponding feature vector v：
Bv=λmaxv
Then it obtains：
Wherein, v1、v2、v3、v4For element in v, T represents transposition；
Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index according to v：
Wherein, k=1,2,3,4, ωkFor the weight of index k in extensive active power distribution network decomposition strategy evaluation indice,
Specifically have：
Wherein, ω1The weight of resource utilization, ω are concentrated for extensive active power distribution network decomposition strategy evaluation index2It is big
Scale active power distribution network decomposition strategy evaluation index concentrates the weight of parallel efficiency calculation, ω3For extensive active power distribution network point
Solve the weight of the autgmentability of parallel system in tactical comment index set, ω4Refer to for the evaluation of extensive active power distribution network decomposition strategy
Mark concentrates the weight of parallel computation precision.
The weight of each index that the basis determines obtains extensive active power distribution network decomposition strategy evaluation score, and right
Extensive active power distribution network decomposition strategy carries out evaluation and includes：
Extensive active power distribution network decomposition strategy evaluation score is obtained according to the weight of determining each index：
The extensive active power distribution network decomposition strategy evaluation score represents have with Y：
Y=ω1y1+ω2y2+ω3y3+ω4y4
Extensive active power distribution network decomposition strategy is evaluated according to Y：
(1) if 0.7≤Y≤1, the opinion rating for showing extensive active power distribution network decomposition strategy is excellent；
(2) if 0.55≤Y ＜ 0.7, the opinion rating for showing extensive active power distribution network decomposition strategy is good；
(3) if 0.4≤Y ＜ 0.55, during the opinion rating that shows extensive active power distribution network decomposition strategy is；
(4) if 0≤Y ＜ 0.4, the opinion rating for showing extensive active power distribution network decomposition strategy is poor.
The present invention also provides a kind of extensive active power distribution network decomposition strategy evaluating apparatus based on AHP, described device packets
It includes：
For determining the device of extensive active power distribution network decomposition strategy evaluation indice；
For determining that extensive active power distribution network decomposition strategy evaluation index concentrates the dress of the weight of each index by AHP
It puts；And
For obtaining extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index, and it is right
The device that extensive active power distribution network decomposition strategy is evaluated.
The index that the extensive active power distribution network decomposition strategy evaluation index is concentrated includes resource utilization, parallel computation
Efficiency, the autgmentability of parallel system and parallel computation precision.
It is described to be used to determine that the device of extensive active power distribution network decomposition strategy evaluation indice includes：
For determine resource utilization device, for determine parallel efficiency calculation device, for determining parallel system
Autgmentability device and device for determining parallel computation precision.
The device for being used to determine resource utilization determines resource utilization y according to the following formula1：
Wherein, Pi 2For the parallel computation scale of subregion i, i=1,2 ..., n, n is the number of partitions of extensive active power distribution network
Mesh.
The device for being used to determine parallel efficiency calculation determines parallel efficiency calculation y according to the following formula2：
Wherein, T1For serial computing time, TnFor parallel computation time, nTnFor parallel computation total time.
The device of the autgmentability for being used to determine parallel system determines the autgmentability y of parallel system according to the following formula3：
Wherein, T0It is to include the total parallel overhead of parallel system that is synchronous and communicating；TnFor the parallel computation time.
The device for being used to determine parallel computation precision determines parallel computation precision y according to the following formula4：
Wherein, j is numbered for subregion interior nodes, j=1,2...h, and h is total for subregion interior nodes, U'jMatch to be active on a large scale
The voltage value of node j that power grid is obtained after decomposing by parallel computation；UjSerial computing before being decomposed for extensive active power distribution network
The obtained voltage value of node j.
It is described to be used to determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index by AHP
Device include：
For using the device of reciprocity 1-9 scaling law Judgement Matricies；With
Whether meet coherence request for test and judge matrix, determine have on a large scale according to judgment matrix B if meeting
Source power distribution network decomposition strategy evaluation index concentrates the device of the weight of each index.
It is described to be used to be represented with B using the judgment matrix that the device of reciprocity 1-9 scaling law Judgement Matricies constructs,
Have：
It is described whether to meet coherence request for test and judge matrix, it determines to advise greatly according to judgment matrix B if meeting
Mould active power distribution network decomposition strategy evaluation index concentrates the device of the weight of each index to include：
Whether meet the device of coherence request for test and judge matrix；With
For determining that extensive active power distribution network decomposition strategy evaluation index concentrates the power of each index according to judgment matrix B
The device of weight.
The device for whether meeting coherence request for test and judge matrix includes：
For calculating the device of random consistency ratio CR according to the following formula：
Wherein, RI is Aver-age Random Consistency Index, value 0.90；CI is coincident indicator,
It is described to be used to obtain extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index,
And the device evaluated extensive active power distribution network decomposition strategy includes：
For obtaining the dress of extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index
Put and
For according to extensive active power distribution network decomposition strategy evaluate score to extensive active power distribution network decomposition strategy into
The device of row evaluation.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field with reference to above-described embodiment still can to the present invention specific embodiment modify or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (20)
1. a kind of extensive active power distribution network decomposition strategy evaluation method, which is characterized in that the method includes：
Determine extensive active power distribution network decomposition strategy evaluation indice；
Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index by AHP；
Extensive active power distribution network decomposition strategy evaluation score is obtained, and to having on a large scale according to the weight of determining each index
Source power distribution network decomposition strategy is evaluated.
2. extensive active power distribution network decomposition strategy evaluation method according to claim 1, which is characterized in that the big rule
The index that mould active power distribution network decomposition strategy evaluation index is concentrated includes resource utilization, parallel efficiency calculation, parallel system
Autgmentability and parallel computation precision.
3. extensive active power distribution network decomposition strategy evaluation method according to claim 2, which is characterized in that the resource
Utilization rate y1It represents, has：
Wherein, Pi 2For the parallel computation scale of subregion i, i=1,2 ..., n, n is the number of partitions of extensive active power distribution network；
The parallel efficiency calculation y2It represents, has：
Wherein, T1For serial computing time, TnFor parallel computation time, nTnFor parallel computation total time；
The autgmentability y of the parallel system3It represents, has：
Wherein, T0It is to include the total parallel overhead of parallel system that is synchronous and communicating；
The parallel computation precision y4It represents, has：
Wherein, j is numbered for subregion interior nodes, j=1,2...h, and h is total for subregion interior nodes, U'jFor extensive active power distribution network
The voltage value of node j obtained after decomposition by parallel computation；UjSerial computing obtains before being decomposed for extensive active power distribution network
Node j voltage value.
4. extensive active power distribution network decomposition strategy evaluation method according to claim 3, which is characterized in that described to pass through
AHP determines that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index to include：
Using reciprocity 1-9 scaling law Judgement Matricies；
Whether test and judge matrix meets coherence request, and extensive active power distribution network point is determined according to judgment matrix if meeting
Solve the weight of each index in tactical comment index set.
5. extensive active power distribution network decomposition strategy evaluation method according to claim 4, which is characterized in that the judgement
Matrix represents have with B：
6. extensive active power distribution network decomposition strategy evaluation method according to claim 5, which is characterized in that the inspection
Whether judgment matrix, which meets coherence request, includes：
If random consistency ratio is CR, it is expressed as：
Wherein, RI is Aver-age Random Consistency Index, value 0.90；CI is coincident indicator；
If CR<0.1, then show that judgment matrix B meets coherence request.
7. extensive active power distribution network decomposition strategy evaluation method according to claim 6, which is characterized in that the basis
Judgment matrix determines that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index to include：
The maximum eigenvalue λ of judgment matrix, judgment matrixmaxAnd λmaxMeet between corresponding feature vector v：
Bv=λmaxv
V=[v1 v2 v3 v4]T
Wherein, v1、v2、v3、v4For element in v, T represents transposition；
Determine that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index according to v：
Wherein, ω1The weight of resource utilization, ω are concentrated for extensive active power distribution network decomposition strategy evaluation index2It is extensive
Active power distribution network decomposition strategy evaluation index concentrates the weight of parallel efficiency calculation, ω3Plan is decomposed for extensive active power distribution network
Slightly evaluation index concentrates the weight of the autgmentability of parallel system, ω4For extensive active power distribution network decomposition strategy evaluation indice
The weight of middle parallel computation precision.
8. extensive active power distribution network decomposition strategy evaluation method according to claim 7, which is characterized in that the basis
The weight of determining each index obtains extensive active power distribution network decomposition strategy evaluation score, and to extensive active power distribution network
Decomposition strategy carries out evaluation and includes：
Extensive active power distribution network decomposition strategy evaluation score is obtained according to the weight of determining each index：
The extensive active power distribution network decomposition strategy evaluation score represents have with Y：
Y=ω1y1+ω2y2+ω3y3+ω4y4
Extensive active power distribution network decomposition strategy is evaluated according to Y：
(1) if 0.7≤Y≤1, the opinion rating for showing extensive active power distribution network decomposition strategy is excellent；
(2) if 0.55≤Y ＜ 0.7, the opinion rating for showing extensive active power distribution network decomposition strategy is good；
(3) if 0.4≤Y ＜ 0.55, during the opinion rating that shows extensive active power distribution network decomposition strategy is；
(4) if 0≤Y ＜ 0.4, the opinion rating for showing extensive active power distribution network decomposition strategy is poor.
9. a kind of extensive active power distribution network decomposition strategy evaluating apparatus, which is characterized in that described device includes：
For determining the device of extensive active power distribution network decomposition strategy evaluation indice；
For determining that extensive active power distribution network decomposition strategy evaluation index concentrates the device of the weight of each index by AHP；
And
For obtaining extensive active power distribution network decomposition strategy evaluation score according to the weight of determining each index, and to advising greatly
The device that mould active power distribution network decomposition strategy is evaluated.
10. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 9, which is characterized in that described big
The index that scale active power distribution network decomposition strategy evaluation index is concentrated includes resource utilization, parallel efficiency calculation, parallel system
Autgmentability and parallel computation precision.
11. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 10, which is characterized in that the use
Include in the device for determining extensive active power distribution network decomposition strategy evaluation indice：
Device for determining resource utilization, the device for determining parallel efficiency calculation, the expansion for determining parallel system
The device of malleability and the device for determining parallel computation precision.
12. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 11, which is characterized in that the use
Resource utilization y is determined according to the following formula in the device for determining resource utilization1：
Wherein, Pi 2For the parallel computation scale of subregion i, i=1,2 ..., n, n is the number of partitions of extensive active power distribution network.
13. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 11, which is characterized in that the use
Parallel efficiency calculation y is determined according to the following formula in the device for determining parallel efficiency calculation2：
Wherein, T1For serial computing time, TnFor parallel computation time, nTnFor parallel computation total time.
14. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 11, which is characterized in that the use
The autgmentability y of parallel system is determined according to the following formula in the device for the autgmentability for determining parallel system3：
Wherein, T0It is to include the total parallel overhead of parallel system that is synchronous and communicating；TnFor the parallel computation time.
15. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 11, which is characterized in that the use
Parallel computation precision y is determined according to the following formula in the device for determining parallel computation precision4：
Wherein, j is numbered for subregion interior nodes, j=1,2...h, and h is total for subregion interior nodes, U'jFor extensive active power distribution network
The voltage value of node j obtained after decomposition by parallel computation；UjSerial computing obtains before being decomposed for extensive active power distribution network
Node j voltage value.
16. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 9, which is characterized in that the use
Include in the device for the weight that each index of extensive active power distribution network decomposition strategy evaluation index concentration is determined by AHP：
For using the device of reciprocity 1-9 scaling law Judgement Matricies；With
Whether meet coherence request for test and judge matrix, active on a large scale match is determined according to judgment matrix B if meeting
Power grid decomposition strategy evaluation index concentrates the device of the weight of each index.
17. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 16, which is characterized in that the use
Represent have with B in the judgment matrix that the device using reciprocity 1-9 scaling law Judgement Matricies constructs：
18. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 16, which is characterized in that the use
Whether meet coherence request in test and judge matrix, extensive active power distribution network point is determined according to judgment matrix B if meeting
The device of the weight of each index includes in solution tactical comment index set：
Whether meet the device of coherence request for test and judge matrix；With
For determining that extensive active power distribution network decomposition strategy evaluation index concentrates the weight of each index according to judgment matrix B
Device.
19. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 18, which is characterized in that the use
The device for whether meeting coherence request in test and judge matrix includes：
For calculating the device of random consistency ratio CR according to the following formula：
Wherein, RI is Aver-age Random Consistency Index, value 0.90；CI is coincident indicator,
20. extensive active power distribution network decomposition strategy evaluating apparatus according to claim 9, which is characterized in that the use
Score is evaluated, and to extensive active in obtaining extensive active power distribution network decomposition strategy according to the weight of determining each index
The device that power distribution network decomposition strategy is evaluated includes：
For obtained according to the weight of determining each index the device of extensive active power distribution network decomposition strategy evaluation score and
Extensive active power distribution network decomposition strategy is commented for evaluating score according to extensive active power distribution network decomposition strategy
The device of valency.
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| CN110555596A (en) * | 2019-08-09 | 2019-12-10 | 国网陕西省电力公司电力科学研究院 | sampling inspection strategy making method and system based on power distribution material quality evaluation |
| CN111488200A (en) * | 2020-06-28 | 2020-08-04 | 四川新网银行股份有限公司 | Virtual machine resource utilization rate analysis method based on dynamic analysis model |
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| CN104331773A (en) * | 2014-11-05 | 2015-02-04 | 国家电网公司 | Comprehensive assessment method for power network planning schemes |
| US20150185716A1 (en) * | 2013-12-31 | 2015-07-02 | General Electric Company | Methods and systems for enhancing control of power plant generating units |
| CN104951588A (en) * | 2015-03-16 | 2015-09-30 | 中国矿业大学 | Aided design method for mine ventilation systems |
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| US20150185716A1 (en) * | 2013-12-31 | 2015-07-02 | General Electric Company | Methods and systems for enhancing control of power plant generating units |
| CN104331773A (en) * | 2014-11-05 | 2015-02-04 | 国家电网公司 | Comprehensive assessment method for power network planning schemes |
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| CN110555596A (en) * | 2019-08-09 | 2019-12-10 | 国网陕西省电力公司电力科学研究院 | sampling inspection strategy making method and system based on power distribution material quality evaluation |
| CN110555596B (en) * | 2019-08-09 | 2022-05-31 | 国网陕西省电力公司电力科学研究院 | Sampling inspection strategy making method and system based on power distribution material quality evaluation |
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