CN110071500A - Distribution line restores Sequence Decision method and system after a kind of bus-bar fault power loss - Google Patents
Distribution line restores Sequence Decision method and system after a kind of bus-bar fault power loss Download PDFInfo
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Abstract
The invention proposes distribution lines after a kind of bus-bar fault power loss to restore Sequence Decision method and system, and this method initially sets up user's evaluation disaggregated model, then establishes optimal recovery sequence hierarchy model, determine the weight of each index factor.Finally recovery sequence of the every route for total excellent ordinal number of each evaluation index in user's evaluation disaggregated model, after obtaining distribution line power loss is determined using excellent sequence method.Based on this method, it is also proposed that distribution line restores Sequence Decision system.The present invention guarantees that responsible consumer restores power transmission with prestissimo, it establishes and determines the optimal Analytic Hierarchy Process Model for restoring sequence of distribution line, the many factors such as the society caused by distribution line power loss, economic loss, are incorporated Analytic Hierarchy Process Model, convenient for calculating and modeling.On the basis of hierarchical model, relatively excellent ordinal sum always excellent ordinal number is calculated using the excellent sequence method of grade preference, there is better operability.
Description
Technical field
The present invention relates to electric system transportation dispatching technical field, distribution wire after a kind of bus-bar fault power loss is specifically provided
Restore Sequence Decision method and system in road.
Background technique
For 220kV, 110kV, 35kV substation that ribbon supply 20kV, 10kV or 6kV feeder line are run, level power supply or station thereon
Substation's power outage caused by interior main transformer, bus-bar fault will lead to 20kV, 10kV or 6kV directly for customer power supply
Feeder line whole power loss needs the distribution interconnector by other substations, by load transfer ability between substation, restores female
Line, the power supply stood with change and part feeder load.But load transfer ability is limited between one side substation, can not restore whole mistakes
Electric load, on the other hand, the operation of recovery process complexity needs the long period, it cannot be guaranteed that responsible consumer is restored with prestissimo
Power transmission.In recovery process, the case where needing to comprehensively consider each feeder line ribbon supply user, determine that distribution line restores electricity urgent
The sequence restored after degree and accident.According to power consumer principle of grading, personal injury, politics according to caused by interruption of power supply,
The extents of damage such as economy define excessively principle to power load classification by power consumer quartile three-level, but in relevant criterion
Change, can be used as guideline, the significance level operation difficulty for evaluating user and route as quantitative criteria is bigger.
Chinese patent [201610305304.8] proposes the division principle of responsible consumer；To the important use in compass of competency
Power supply structure configuration in family is analyzed；On the basis of traditional power grid accident treatment emergency preplan, work out at responsible consumer failure
Reason and fast recovery of power supply prediction scheme.But this method does not assess its institute band user only for a small number of responsible consumers, as unit of feeder line
Significance level, also can not evaluate the urgency level that restores electricity after substation feeder power loss on responsible consumer analysis foundation
With recovery sequence.
Chinese patent [20161106707.0] proposes service restoration and switching operation after a kind of bus loss of pressure failure
Generation method is established power distribution network CSP model, and is found the optimal solution for meeting constraint condition using dynamic asynchronous backtracking algorithm, but
The objective function of this method only is still limited to the physical conditions such as loss load is minimum, switch number of operations is few, does not consider user
Significance level.
Chinese patent [201610305304.8] proposes the division principle of responsible consumer；To the important use in compass of competency
Power supply structure configuration in family is analyzed；On the basis of traditional power grid accident treatment emergency preplan, work out at responsible consumer failure
Reason and fast recovery of power supply prediction scheme.But this method does not assess its institute band user only for a small number of responsible consumers, as unit of feeder line
Significance level, also can not evaluate the urgency level that restores electricity after substation feeder power loss on responsible consumer analysis foundation
With recovery sequence.
Chinese patent [20161106707.0] proposes service restoration and switching operation after a median generatrix no-voltage fault
Generation method is established power distribution network CSP model, and is found the optimal solution for meeting constraint condition using dynamic asynchronous backtracking algorithm, but
The objective function of this method only is still limited to the physical conditions such as loss load is minimum, switch number of operations is few, does not consider user
Significance level can not also determine the recovery sequence of power loss feeder line according to the significance level of ribbon supply user.
Summary of the invention
For disadvantage mentioned above, distribution line restores Sequence Decision after the embodiment of the present invention proposes a kind of bus-bar fault power loss
Method and system, evaluate the significance level of power loss distribution line ribbon supply user, that is, the urgency level and accident to restore electricity is stopped
The sequence that restores electricity after electricity improves precise degrees, the resonable degree of power distribution network accident treatment.
Distribution line restores Sequence Decision method after a kind of bus-bar fault power loss proposed by the present invention, comprising the following steps:
Using the presence or absence of each route ribbon supply typical user, how many and significance level as the finger for evaluating fault recovery urgency level
Mark factor establishes user's evaluation disaggregated model.
Based on user's evaluation disaggregated model, optimal recovery sequence hierarchy model is established, determines the power of each index factor
Weight；The optimal recovery sequence hierarchy model includes top layer, middle layer and bottom；The top layer is destination layer；In described
Interbed is rule layer；The bottom is solution layer；
Determine that every route for total excellent ordinal number of each evaluation index in user's evaluation disaggregated model, obtains using excellent sequence method
Recovery sequence after distribution line power loss, the excellent sequence method are corresponding another by a route to identical index by grade preference
The significance level of one line load is showed with grade, then establishes the excellent ordinal number of index, and then determine total excellent sequence of route
Number.
Further, the method for building up of the rule layer is rule layer to be constructed by scaling law, using scale symbology
The significance level between different factors compared two-by-two, judgment matrix determine the weight of each influence factor；The judgment matrix R=
[ɑij]NxN；The ɑijFor the ratio between the importance of factor i and factor j；N number of factor of evaluation of layer is surveyed subject to the N.
Further, the diagonal entry ɑ of the judgment matrix RijIt is 1, and the dominant eigenvalue λ of judgment matrix RmaxInstitute is right
The feature answered to for measure W=(w1,w2…wN)T, then ɑij=wi/wj；
The wiIt is i-th of element of rule layer to the influence degree of destination layer；The wjIt is rule layer jth element to mesh
Mark the influence degree of layer.
Further, the representation of the grade includes the matrix and building ranking matrix for quantifying famous value；The amount
Change the representation of the matrix of famous value are as follows:
The maxj{fijIt is that each route corresponds to the famous value f of j-th of indexijMaximum value；The minj{fijEach line
Road corresponds to the famous value f of j-th of indexijMinimum value；The dj=maxj{fij}- minj{fij}；The h is number of degrees.
Further, the representation of the ranking matrix are as follows:
G=[ɡij]mxn；The gijFor grade locating for corresponding j-th of the evaluation index in i-th line road；The m is to extensive
Multiple line number；The n is the corresponding index number of m item route number to be restored.
Further, the representation of the excellent ordinal number of the index are as follows:
The biljFor be dominant degree of the i-th line road relative to the l articles route at index j.
Further, in biljOn the basis of,
The bilThe excellent ordinal number of synthesis for i-th line road relative to the l articles route；The wjTo utilize Analytic Hierarchy Process Model
The weight of determining each index.
Further, total excellent ordinal number K of the routeiFor the urgency level for restoring power transmission relative to other all routes；
It is described
The KminFor KiMiddle minimum value.
Distribution line restores Sequence Decision system after a kind of bus-bar fault power loss, including, it establishes disaggregated model module, establish
Hierarchical model module and foundation restore block；
It is described establish disaggregated model module for using the presence or absence of each route ribbon supply typical user, how many and significance level as
The index factor for evaluating fault recovery urgency level, establishes user's evaluation disaggregated model；
The hierarchical model module of establishing is for establishing optimal recovery sequence hierarchical classification based on user's evaluation disaggregated model
Model determines the weight of each index factor；
The foundation restores block and is used to determine every route in user's evaluation disaggregated model using excellent sequence method
Total excellent ordinal number of each evaluation index.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
Distribution line restores Sequence Decision method and system after the embodiment of the present invention proposes a kind of bus-bar fault power loss, should
Method is first using the presence or absence of each route ribbon supply typical user, how many and significance level as the finger for evaluating fault recovery urgency level
Mark factor establishes user's evaluation disaggregated model, determines the weight of each index factor.It is then based on user's evaluation disaggregated model, is built
Found optimal recovery sequence hierarchy model.Finally determine every route for each in user's evaluation disaggregated model using excellent sequence method
Total excellent ordinal number of evaluation index, the recovery sequence after obtaining distribution line power loss, wherein excellent sequence method is by grade preference, to phase
Same index, the significance level that a route corresponds to another line load is showed with grade, it is excellent then to establish index
Ordinal number, and then determine total excellent ordinal number of route.Restore sequence based on distribution line after a kind of bus-bar fault power loss proposed by the present invention
Column decision-making technique, it is also proposed that distribution line restores Sequence Decision system after a kind of bus-bar fault power loss.Overall power distribution of the present invention
The case where route ribbon supply user, calculates the urgency level that distribution line restores electricity, restores sequence after determining distribution line power loss,
Guarantee that responsible consumer restores power transmission with prestissimo.It establishes and determines the optimal Analytic Hierarchy Process Model for restoring sequence of distribution line, it is right
The many factors such as society caused by distribution line power loss, economic loss, are incorporated Analytic Hierarchy Process Model, convenient for calculating and building
Mould.On the basis of hierarchical model, each distribution line is calculated using the excellent sequence method of grade preference and restores the relatively excellent of power transmission pressing degree
The total excellent ordinal number of ordinal sum restores the reference value of power transmission sequence as distribution line, has evaded a variety of Custom interruption cost amounts of being difficult to
The difficulty of change, only being compared by same type user's significance level can quantitatively indicate that distribution line restores the urgent journey of power transmission
Degree has better operability.
Detailed description of the invention
Fig. 1 is distribution line recovery Sequence Decision method flow diagram after a kind of bus-bar fault power loss of the embodiment of the present invention 1；
Fig. 2 is to establish optimal recovery sequence hierarchical classification model schematic based on what the embodiment of the present invention 1 proposed；
Fig. 3 is distribution line recovery Sequence Decision system after a kind of bus-bar fault power loss proposed based on the embodiment of the present invention 1
System connection figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
Distribution line restores Sequence Decision method after the embodiment of the present invention 1 proposes a kind of bus-bar fault power loss, to distribution
The many factors such as society caused by route power loss, economic loss, are incorporated Analytic Hierarchy Process Model, are determined using analytic hierarchy process (AHP)
The weight of each factor index；Comprehensive each feeder line power supply user situation, determines the optimal recovery sequence of route using the excellent sequence method of grade preference
Column, to guarantee precisely rapidly to restore most important supply load.
Distribution line recovery sequence as shown in Figure 1 after being a kind of bus-bar fault power loss proposed based on the embodiment of the present invention 1
Decision-making technique flow chart.
In step s101, according to distribution line user's overall situation, distribution line ribbon supply user is divided into N class, it will be for
It is inputted with different types of user as factor of evaluation and determines the optimal hierarchical model for restoring sequence of route.
In step s 102, extensive using the presence or absence of each route ribbon supply typical user, how many and significance level as evaluation failure
The index factor of multiple urgency level, establishes user's evaluation disaggregated model；
In step s 103, it is based on user's evaluation disaggregated model, establishes optimal recovery sequence hierarchy model, is determined each
The weight of index factor.
In step S104, determine every route for each evaluation index in user's evaluation disaggregated model using excellent sequence method
Total excellent ordinal number, the recovery sequence after obtaining distribution line power loss, wherein excellent sequence method will to identical index by grade preference
The significance level that one route corresponds to another line load is showed with grade.
In step s105, the excellent ordinal number of index is established, and then determines total excellent ordinal number of route.
About the foundation of user's evaluation disaggregated model, according to the relevant criterion to load significance level, to responsible consumer
Evaluation method is personal injury caused by interruption of power supply, political economy loss and interruption of power supply to the use for having politics, economic significance
Electric unit influences caused by working normally.But above-mentioned standard still has very big abstractness, directly relatively, measures associated user's
Politics loss and public influence have larger difficulty.And it can then compare its urgent journey to restore electricity for specific user
Degree, be such as difficult to be specifically defined after certain major hospital has a power failure " personal injury " and " politics loss " it is each how many, but for losing simultaneously
Liang Ge hospital after electricity can then compare and show that " hospital's first " has more urgent recovery power transmission demand than " hospital's second ".Therefore, may be used
Politics caused by interruption of power supply, economic loss conversion are summarized as the more typical user of several classes, with each route ribbon supply typical case use
The presence or absence of family, how many and significance level can be carried out more easily as the index factor for evaluating its fault recovery urgency level
Statistics and modeling.N quasi-representative user can be chosen as factor of evaluation according to concluding, give typical user shown in following subordinate list 1
And its corresponding loss type after power loss.Wherein 7 class is listed, can increase other types typical case according to distribution network load structure and use
Family is as factor of evaluation.
Based on user's evaluation disaggregated model, optimal recovery sequence hierarchy model is established, determines the power of each index factor
Weight establishes optimal recovery sequence hierarchical classification model schematic based on what the embodiment of the present invention 1 proposed as Fig. 2 is proposed.It is optimal
Restoring sequence hierarchy model includes top layer, middle layer and bottom, and top layer is destination layer, is the problem of intending to solve or catalogue
Mark, the i.e. optimal recovery sequence of power loss distribution line.Middle layer is rule layer, is the factor for influencing destination layer decision, i.e. subordinate list 1
In N number of factor of evaluation.Bottom is solution layer, is selectable decision scheme, i.e., the recovery sequence of every route.As Fig. 2 is provided
Establish it is optimal recovery sequence hierarchy model in order to each influence factor of overall merit the influence degree to decision objective,
Certain weight need to be distributed to each factor, and directly all factors are put together and are compared, it is relatively more tired to each factor distribution weight
Difficulty, therefore the weight that rule layer judgment matrix determines each influence factor is constructed by scaling law.Following subordinate list 2 establishes optimal recovery
Judgment matrix design criterions in sequence hierarchy model.
In subordinate list 2, the significance level between different factors that scale symbology compares two-by-two.If factor i and factor j
The ratio between importance be aij, then the ratio between importance of factor j and factor i is aji=1/aij.The foundation provided for such as Fig. 2 is most
The excellent N number of factor of evaluation for restoring sequence hierarchy model compares the urgency level of recovery power transmission after its power loss two-by-two, is sentenced
Disconnected matrix R:
R=[aij]N×N
The judgment matrix R constructed will meet consistency, and so-called consistency refers to the logical consistency of critical thinking, such as works as
First is strong important than third, and when second than third is slightly important, it is clear that first is centainly more important than second.Here it is the logics of critical thinking
Consistency, otherwise judgement will be contradictory.The diagonal entry of matrix R is 1, if the dominant eigenvalue λ of judgment matrix RmaxInstitute is right
The feature answered to for measure W=(w1,w2…wN)T, then have:
Element w in WiI-th of element of expressiveness layer is to the influence degree of destination layer, by the main spy for seeking judgment matrix
Value indicative λmaxCorresponding characteristic vector W=(w1,w2…wN)T, W is normalized, so that it may obtain each factor and correspond to certainly
The weight w of plan target1,w2…wN。
Determine that every route for total excellent ordinal number of each evaluation index in user's evaluation disaggregated model, obtains using excellent sequence method
Recovery sequence after distribution line power loss, wherein excellent sequence method is by grade preference, it is to identical index, a route is corresponding another
The significance level of one line load is showed with grade.In order to better discriminate between the urgency level of distribution line recovery,
Substantially grade preference is introduced on the basis of excellent sequence method, and the weight of another line load is corresponded to a route to mutually same index
Degree is wanted to be showed with grade.It is divided into h grade altogether, if route to be restored corresponds to index j and can use the famous of quantization
Value fj=[f1, f2…fm]TIt indicates, such as the economic loss of the high-rise resident's community user number, production enterprise's power failure influenced,
Then famous value can be divided in h grade according to the following formula:
Wherein, maxj{fijIt is that each route corresponds to the famous value f of j-th of indexijMaximum value；minj{fijEach route
Corresponding to the famous value f of j-th of indexijMinimum value；Dj=maxj{fij}-minj{fij}；H is number of degrees.
If corresponding index can not directly be indicated with the famous value of quantization, such as hospital, the important level of transport hub, degree
Deng then can directly being indicated with grade.If there is m item route to be restored, corresponding n index corresponds to each index grade according to each route
Division result constructs index ranking matrix G
G=[ɡ ij] mxn
Wherein, gijFor grade locating for corresponding j-th of the evaluation index in i-th line road；M is route number to be restored；The n is
The corresponding index number of m item route number to be restored.
The excellent ordinal number b of indexiljFor be dominant degree of the i-th line road relative to the l articles route at index j.Consider that grade is drawn
Point after the excellent ordinal number of index be
In single line ordinal number b excellent to single indexiljOn the basis of, consider the weight w of each index1,w2…wn, i-th
Route is defined as relative to the excellent ordinal number of synthesis of the l articles route
Wherein, wjWeight for each index determined using Analytic Hierarchy Process Model, wherein N number of factor of evaluation in subordinate list 1, then
N=N.By i-th line road relative to the excellent ordinal numbers summation of other all routes, the total excellent ordinal number K of the available routei, indicate it
Restore the urgency level of power transmission relative to other all routes, total excellent ordinal number is bigger, and the corresponding urgency level for restoring power transmission is higher.
Wherein, KminFor KiMiddle minimum value.Because matrix R and matrix G are with uniformity, each excellent ordinal number b of routing indicatorilAnd
Total excellent ordinal number KiAlso it should meet consistency, even Ki>Kl, then bil>bli, vice versa.Therefore, according to total excellent ordinal number by greatly to
Small, the optimal route for as integrating more evaluation indexes restores sequence.
The invention also provides a kind of system of distribution line recovery Sequence Decision after bus-bar fault power loss, which includes
Disaggregated model module is established, hierarchical model module is established and establishes and restore block；
Establish disaggregated model module for using the presence or absence of each route ribbon supply typical user, how many and significance level as evaluating
The index factor of fault recovery urgency level establishes user's evaluation disaggregated model；
Hierarchical model module is established for establishing optimal recovery sequence hierarchical classification mould based on user's evaluation disaggregated model
Type determines the weight of each index factor；
It establishes and restores block for determining every route for commenting in user's evaluation disaggregated model using excellent sequence method
Total excellent ordinal number of valence index, the recovery sequence after obtaining distribution line power loss.
Although specification and drawings and examples have been carried out detailed description to the invention, this field skill
Art personnel should be appreciated that and still can be modified or replaced equivalently to the invention；And all do not depart from wound of the present invention
The technical solution and its improvement for the spirit and scope made, are encompassed by the protection scope of the invention patent.
Claims (9)
1. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss, which comprises the following steps:
Using the presence or absence of each route ribbon supply typical user, how many and significance level as evaluate the index of fault recovery urgency level because
Element establishes user's evaluation disaggregated model；
Based on user's evaluation disaggregated model, optimal recovery sequence hierarchy model is established, determines the weight of each index factor；Institute
Stating optimal recovery sequence hierarchy model includes top layer, middle layer and bottom；The top layer is destination layer；The middle layer is
Rule layer；The bottom is solution layer；
Determine that every route for total excellent ordinal number of each evaluation index in user's evaluation disaggregated model, obtains distribution using excellent sequence method
Recovery sequence after route power loss；One route is corresponded to another to identical index by grade preference by the excellent sequence method
The significance level of line load is showed with grade, then establishes the excellent ordinal number of index, and then determine total excellent ordinal number of route.
2. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 1, feature exists
In the method for building up of the rule layer is to construct rule layer, the difference compared two-by-two using scale symbology by scaling law
Significance level between factor, judgment matrix determine the weight of each influence factor；Judgment matrix R=[the ɑij]NxN；The ɑij
For the ratio between the importance of factor i and factor j；N number of factor of evaluation of layer is surveyed subject to the N.
3. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 2, feature exists
In the diagonal entry ɑ of the judgment matrix RijIt is 1, and the dominant eigenvalue λ of judgment matrix RmaxCorresponding feature to for measure W
=(w1,w2…wN)T, then ɑij=wi/wj；
The wiIt is i-th of element of rule layer to the influence degree of destination layer；The wjIt is j-th of element of rule layer to destination layer
Influence degree.
4. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 1, feature exists
In the representation of the grade includes the matrix and building ranking matrix for quantifying famous value；The matrix of the famous value of quantization
Representation are as follows:
The maxj{fijIt is that each route corresponds to the famous value f of j-th of indexijMaximum value；The minj{fijEach route pair
It should be in the famous value f of j-th of indexijMinimum value；The dj=maxj{fij}-minj{fij}；The h is number of degrees.
5. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 4, feature exists
In the representation of the ranking matrix are as follows:
G=[gij]mxn；The gijFor grade locating for corresponding j-th of the evaluation index in i-th line road；The m is route to be restored
Number；The n is the corresponding index number of m item route number to be restored.
6. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 1, feature exists
In the representation of the excellent ordinal number of index are as follows:
The biljFor be dominant degree of the i-th line road relative to the l articles route at index j.
7. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 6, feature exists
In in biljOn the basis of,
The bilThe excellent ordinal number of synthesis for i-th line road relative to the l articles route；The wjTo be determined using Analytic Hierarchy Process Model
Each index weight.
8. distribution line restores Sequence Decision method after a kind of bus-bar fault power loss according to claim 1, feature exists
In total excellent ordinal number K of the routeiFor the urgency level for restoring power transmission relative to other all routes；
It is described
The KminFor KiMiddle minimum value.
9. distribution line restores Sequence Decision system after a kind of bus-bar fault power loss, which is characterized in that including establishing disaggregated model
Module is established hierarchical model module and is established and restores block；
It is described establish disaggregated model module for using the presence or absence of each route ribbon supply typical user, how many and significance level as evaluating
The index factor of fault recovery urgency level establishes user's evaluation disaggregated model；
The hierarchical model module of establishing is for establishing optimal recovery sequence hierarchical classification mould based on user's evaluation disaggregated model
Type determines the weight of each index factor；
The foundation restores block and is used to determine every route for commenting in user's evaluation disaggregated model using excellent sequence method
Total excellent ordinal number of valence index, the recovery sequence after obtaining distribution line power loss.
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