CN109507538A - The Fault Locating Method and device of power distribution network - Google Patents
The Fault Locating Method and device of power distribution network Download PDFInfo
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The present invention provides the Fault Locating Method of power distribution network and devices, comprising: obtains the quantum double-strand coding of initialization；By the quantum double-strand coding input quantum genetic algorithm of initialization, multiple switch function status sequence is obtained；Corresponding switch function is calculated according to each switch function status switch；Each switch function status switch and in the case where be minimum value, according to the corresponding switch function of each switch function status switch, calculate Evaluation: Current function；Evaluation: Current function is compared with previous evaluation function；If Evaluation: Current function is less than previous evaluation function, continue to update Evaluation: Current function, can accurately carry out localization of fault when multiple target breaks down simultaneously.
Description
Technical field
The present invention relates to technical field of electric power, more particularly, to the Fault Locating Method and device of power distribution network.
Background technique
Since the 21th century, the growing contradiction with precarious non-renewable energy resources of national economy is increasingly prominent
Out, distributed power generation comes into being, and the protection and control of electric system become to become increasingly complex, and with Intelligent transformer station
Construction and various distributing automation apparatus introducing, novel protection control method emerges one after another.It is opened up at present by power distribution network
The method for flutterring structure carries out fault section to simple power distribution network and determines, can not be according to switch and equipment if network expands
Table judges fault section, so as to cause can not determine fault section.
Summary of the invention
In view of this, the purpose of the present invention is to provide the Fault Locating Method of power distribution network and device, it can be widened
In network topology structure, the case where breaking down simultaneously for multiple target, accurately localization of fault is carried out.
In a first aspect, the embodiment of the invention provides the Fault Locating Methods of power distribution network, which comprises
Obtain the quantum double-strand coding of initialization；
By the quantum double-strand coding input quantum genetic algorithm of the initialization, multiple switch function status sequence is obtained；
Corresponding switch function is calculated according to each switch function status switch；
Each switch function status switch and be minimum value in the case where, according to each switch function shape
The corresponding switch function of state sequence calculates Evaluation: Current function；
The Evaluation: Current function is compared with previous evaluation function；
If the Evaluation: Current function is less than the previous evaluation function, continue to update the Evaluation: Current function.
Further, the quantum double-strand coding input quantum genetic algorithm by the initialization, obtains multiple switch
Function status sequence, comprising:
The quantum double-strand coding that the initialization is updated by matrixing mode, obtains Quantum rotating gate；
The corresponding rotation angle of the Quantum rotating gate is inputted into cuckoo algorithm, the rotation angle updated；
According to the rotation angle of the Quantum rotating gate and the update, status switch matrix is obtained；
Numerical value in the status switch matrix is rounded, the status switch matrix after being rounded；
The numerical value of the first row and the numerical value of the second row are chosen from the status switch matrix after the rounding, are opened as described
Close function status sequence.
Further, it is described each switch function status switch and be minimum value in the case where, according to described
The corresponding switch function of each switch function status switch, calculates Evaluation: Current function, comprising:
The Evaluation: Current function is calculated according to the following formula:
Wherein, f is the Evaluation: Current function, IjFor the corresponding switch function of each switch function status switch,
I* jFor the expectation of the corresponding switch function of each switch function status switch,For each switch function status switch.
Further, the method also includes:
If numerical value in the switch function status switch is there are 1, the corresponding area of the switch function status switch
There are equipment faults for section；
If the numerical value in the switch function status switch is 0, the corresponding area of the switch function status switch
Equipment fault is not present in section.
It is further, described that corresponding switch function is calculated according to each switch function status switch, comprising:
Each switch function status switch is calculated according to the following formula calculates corresponding switch function:
Wherein, IjIt (s) is the corresponding switch function of each switch function status switch, SiIt is opened for the i-th section is corresponding
Function status sequence is closed, j indicates to switch, i expression sector number, i=1, and 2,3 ...,Expression relationship or.
Second aspect, the embodiment of the invention provides the fault locator of power distribution network, described device includes:
First acquisition unit, for obtaining the quantum double-strand coding of initialization；
Second acquisition unit, for obtaining the quantum double-strand coding input quantum genetic algorithm of the initialization multiple
Switch function status switch；
First computing unit, for calculating corresponding switch function according to each switch function status switch；
Second computing unit, for each switch function status switch and be minimum value in the case where, according to
The corresponding switch function of each switch function status switch, calculates Evaluation: Current function；
Comparing unit, for the Evaluation: Current function to be compared with previous evaluation function；
Updating unit, for continuing to update in the case where the Evaluation: Current function is less than the previous evaluation function
The Evaluation: Current function.
Further, the second acquisition unit includes:
The quantum double-strand coding that the initialization is updated by matrixing mode, obtains Quantum rotating gate；
The corresponding rotation angle of the Quantum rotating gate is inputted into cuckoo algorithm, the rotation angle updated；
According to the rotation angle of the Quantum rotating gate and the update, status switch matrix is obtained；
Numerical value in the status switch matrix is rounded, the status switch matrix after being rounded；
The numerical value of the first row and the numerical value of the second row are chosen from the status switch matrix after the rounding, are opened as described
Close function status sequence.
Further, second computing unit includes:
The Evaluation: Current function is calculated according to the following formula:
Wherein, f is the Evaluation: Current function, IjFor the corresponding switch function of each switch function status switch,
I* jFor the expectation of the corresponding switch function of each switch function status switch,For each switch function status switch.
Further, described device further include:
First determination unit, for the numerical value in the switch function status switch there are in the case where 1, the switch
There are equipment faults for the corresponding section of function status sequence；
Second determination unit, in the case where being 0 for the numerical value in the switch function status switch, the switch
Equipment fault is not present in the corresponding section of function status sequence.
Further, first computing unit includes:
Each switch function status switch is calculated according to the following formula calculates corresponding switch function:
Wherein, IjIt (s) is the corresponding switch function of each switch function status switch, SiIt is opened for the i-th section is corresponding
Function status sequence is closed, j indicates to switch, i expression sector number, i=1, and 2,3 ...,Expression relationship or.
The embodiment of the invention provides the Fault Locating Method of power distribution network and devices, comprising: the quantum for obtaining initialization is double
Chain encoding；By the quantum double-strand coding input quantum genetic algorithm of initialization, multiple switch function status sequence is obtained；According to every
A switch function status switch calculates corresponding switch function；Each switch function status switch and be minimum value the case where
Under, according to the corresponding switch function of each switch function status switch, calculate Evaluation: Current function；By Evaluation: Current function with before
One evaluation function is compared；If Evaluation: Current function is less than previous evaluation function, continue to update Evaluation: Current function, it can
Accurately to carry out localization of fault when multiple target breaks down simultaneously.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the single supply radiation network that the prior art provides；
Fig. 2 is the Fault Locating Method flow chart for the power distribution network that the embodiment of the present invention one provides；
Fig. 3 is the flow chart of step S102 in the Fault Locating Method for the power distribution network that the embodiment of the present invention one provides；
Fig. 4 is the fault locator schematic diagram of power distribution network provided by Embodiment 2 of the present invention.
Icon:
10- first acquisition unit；20- second acquisition unit；The first computing unit of 30-；The second computing unit of 40-；50- ratio
Compared with unit；60- updating unit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In the single supply radiation network of Fig. 1, CB1 indicates incoming breaker, K1, K2, K3 block switch, S1, S2, S3, S4
Indicate equipment, including load, route etc..It is fast by the breaker K3 of troubleshooting first stage first when breaking down at S3
Faulty circuit is opened in quick-break, and all faulty electric current of all switches and breaker of upstream flows through, the no failure of switch downstream
Electric current.The different sections of single supply radial network and the contingency table of switch are as shown in table 1:
| Switch | It is associated with section |
| CB1 | S1、S2、S3、S4 |
| K1 | S2、S3、S4 |
| K2 | S3、S4 |
| K3 | S4 |
In simple power distribution network, fault section can be determined according to the contingency table of different sections and switch, but network
Expand, then can not judge fault section according to the contingency table of different sections and switch.
To be described in detail to the embodiment of the present invention below convenient for understanding the present embodiment.
Embodiment one:
Fig. 2 is the Fault Locating Method flow chart for the power distribution network that the embodiment of the present invention one provides.
Referring to Fig. 2, method includes the following steps:
Step S101 obtains the quantum double-strand coding of initialization；
The quantum double-strand coding input quantum genetic algorithm of initialization is obtained multiple switch function status by step S102
Sequence；
Step S103 calculates corresponding switch function according to each switch function status switch；
Step S104, each switch function status switch and be minimum value in the case where, according to each switch function
The corresponding switch function of status switch calculates Evaluation: Current function；
Evaluation: Current function is compared by step S105 with previous evaluation function；
Step S106 continues to update Evaluation: Current function if Evaluation: Current function is less than previous evaluation function.
Here, update is constantly iterated according to above-mentioned steps, the number of iterations can be set to 300 times, i.e. iteration 300 times
Afterwards, algorithm terminates automatically, to obtain optimal solution during iteration.
Further, referring to Fig. 3, step S102 the following steps are included:
Step S201 is encoded by the quantum double-strand that matrixing mode updates initialization, obtains Quantum rotating gate；
Specifically, the cochain of quantum double-strand coding and lower chain indicate the section fault state of power distribution network after being all rounded.
The quantum double-strand coding of initialization is as shown in formula (1):
Wherein, the matrix for initializing 2*n is m, and quantum searching substantially uses matrixing to update quantum coded sequence, fixed
Justice is as shown in formula (2):
Wherein, U (Δ θ) is the Quantum rotating gate before updating, and the intersection of quantum genetic algorithm and variation are by quantum rotation institute
Instead of the renewal process of quantum genetic algorithm is from formula (3):
Wherein, U1(Δ θ) is updated Quantum rotating gate, i.e. Quantum rotating gate, cos (Δ θi)、sin(Δθi) it is amount
Coefficient in son rotation gate matrix, Δ θ are the rotation angle of Quantum rotating gate.
The corresponding rotation angle of Quantum rotating gate is inputted cuckoo algorithm, the rotation angle updated by step S202；
Specifically, cuckoo searching algorithm, that is, CS algorithm belongs to one kind of intelligent optimization calculating, be it is a kind of it is novel based on
The heuristic search algorithm of global collaborative search is a kind of intelligent algorithm that the search of simulation cuckoo is looked for food, passes through Lay and tie up flight
Search for new explanation, from the observation of the track route to animal predation, step-size in search is come true the flight of Lay dimension by levy distribution
It is fixed.
Cuckoo position corresponds to Δ θ, specific to the update of rotation angle as shown in formula (4):
Wherein, Δ θ(t+1) iFor i-th bird's nest in the position in t+1 generation,For point-to-point multiplication, a be step-length ratio because
Son, and ordinary circumstance is ordered a=1, from formula (5):
Levy (b)~u=t-λ, (1 < λ≤3) (5)
Formula (5) is further simplified as formula (6), specific as follows:
Wherein, λ=β+1,0 < β < 2, β can take 1.5, u, v Normal Distribution, and λ is the index coefficient of Lay dimension flight, tool
Body is referring to formula (7), (8) and (9).
U~N (0, σ2 u), v~N (0, σ2 v) (7)
σv=1 (9)
Step S203 obtains status switch matrix according to the rotation angle of Quantum rotating gate and update；
Here, by cuckoo algorithm, the rotation angle updated, and the rotation angle of update is substituted into formula (3), from
And obtain status switch matrix.
Step S204 is rounded the numerical value in status switch matrix, the status switch matrix after being rounded；
Step S205 chooses the numerical value of the first row and the numerical value of the second row from the status switch matrix after rounding, as
Switch function status switch.
Further, step S104 includes:
Evaluation: Current function is calculated according to formula (10):
Wherein, f is Evaluation: Current function, IjFor the corresponding switch function of each switch function status switch, I* jIt is each
The expectation of the corresponding switch function of switch function status switch,For each switch function status switch.
Further, this method further includes:
If the numerical value in switch function status switch is there are 1, the corresponding section of switch function status switch, which exists, to be set
Standby failure；
If the numerical value in switch function status switch is 0, the corresponding section of switch function status switch is not present
Equipment fault.
Further, step S103 includes:
Each switch function status switch, which is calculated, according to formula (11) calculates corresponding switch function:
Wherein, IjIt (s) is the corresponding switch function of each switch function status switch, SiFor the corresponding switch letter of the i-th section
Number state sequence, j indicate to switch, i expression sector number, i=1, and 2,3 ...,Expression relationship or.
Specifically, the corresponding switch function of each switch function status switch can refer to formula (12):
The embodiment of the invention provides the Fault Locating Methods of power distribution network, comprising: obtains the quantum double-strand coding of initialization；
By the quantum double-strand coding input quantum genetic algorithm of initialization, multiple switch function status sequence is obtained；According to each switch
Function status sequence calculates corresponding switch function；Each switch function status switch and be minimum value in the case where, root
According to the corresponding switch function of each switch function status switch, Evaluation: Current function is calculated；Evaluation: Current function is commented with previous
Valence function is compared；If Evaluation: Current function is less than previous evaluation function, continue to update Evaluation: Current function, Ke Yi
When multiple target breaks down simultaneously, localization of fault is accurately carried out.
Embodiment two:
Fig. 4 is the fault locator schematic diagram of power distribution network provided by Embodiment 2 of the present invention.
Referring to Fig. 4, which includes:
First acquisition unit 10, for obtaining the quantum double-strand coding of initialization；
Second acquisition unit 20, the quantum double-strand coding input quantum genetic algorithm for that will initialize, obtains multiple open
Close function status sequence；
First computing unit 30, for calculating corresponding switch function according to each switch function status switch；
Second computing unit 40, for each switch function status switch and be minimum value in the case where, according to every
The corresponding switch function of a switch function status switch, calculates Evaluation: Current function；
Comparing unit 50, for Evaluation: Current function to be compared with previous evaluation function；
Updating unit 60, for continuing to update and currently comment in the case where Evaluation: Current function being less than previous evaluation function
Valence function.
Further, second acquisition unit 20 includes:
The quantum double-strand coding that the initialization is updated by matrixing mode, obtains Quantum rotating gate；
The corresponding rotation angle of Quantum rotating gate is inputted into cuckoo algorithm, the rotation angle updated；
According to the rotation angle of Quantum rotating gate and update, status switch matrix is obtained；
Numerical value in status switch matrix is rounded, the status switch matrix after being rounded；
The numerical value of the first row and the numerical value of the second row are chosen from the status switch matrix after rounding, as switch function shape
State sequence.
Further, the second computing unit 40 includes:
Evaluation: Current function is calculated according to the following formula:
Wherein, f is Evaluation: Current function, IjFor the corresponding switch function of each switch function status switch, I* jIt is each
The expectation of the corresponding switch function of switch function status switch,For each switch function status switch.
Further, the device further include:
First determination unit (not shown) is switched for the numerical value in switch function status switch there are in the case where 1
There are equipment faults for the corresponding section of function status sequence；
Second determination unit (not shown), in the case where being 0 for the numerical value in switch function status switch, switch
Equipment fault is not present in the corresponding section of function status sequence.
Further, the first computing unit 30 includes:
Each switch function status switch is calculated according to the following formula calculates corresponding switch function:
Wherein, IjIt (s) is the corresponding switch function of each switch function status switch, SiFor the corresponding switch letter of the i-th section
Number state sequence, j indicate to switch, i expression sector number, i=1, and 2,3 ...,Expression relationship or.
The embodiment of the invention provides the fault locators of power distribution network, comprising: obtains the quantum double-strand coding of initialization；
By the quantum double-strand coding input quantum genetic algorithm of initialization, multiple switch function status sequence is obtained；According to each switch
Function status sequence calculates corresponding switch function；Each switch function status switch and be minimum value in the case where, root
According to the corresponding switch function of each switch function status switch, Evaluation: Current function is calculated；Evaluation: Current function is commented with previous
Valence function is compared；If Evaluation: Current function is less than previous evaluation function, continue to update Evaluation: Current function, Ke Yi
When multiple target breaks down simultaneously, localization of fault is accurately carried out.
The embodiment of the present invention also provides a kind of electronic equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, processor realize power distribution network provided by the above embodiment when executing computer program
The step of Fault Locating Method.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the step of Fault Locating Method of the power distribution network of above-described embodiment is executed when computer program is run by processor.
Computer program product provided by the embodiment of the present invention, the computer-readable storage including storing program code
Medium, the instruction that said program code includes can be used for executing previous methods method as described in the examples, and specific implementation can be joined
See embodiment of the method, details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of Fault Locating Method of power distribution network, which is characterized in that the described method includes:
Obtain the quantum double-strand coding of initialization；
By the quantum double-strand coding input quantum genetic algorithm of the initialization, multiple switch function status sequence is obtained；
Corresponding switch function is calculated according to each switch function status switch；
Each switch function status switch and be minimum value in the case where, according to each switch function state sequence
Corresponding switch function is arranged, Evaluation: Current function is calculated；
The Evaluation: Current function is compared with previous evaluation function；
If the Evaluation: Current function is less than the previous evaluation function, continue to update the Evaluation: Current function.
2. the Fault Locating Method of power distribution network according to claim 1, which is characterized in that the amount by the initialization
Sub- double-strand coding input quantum genetic algorithm obtains multiple switch function status sequence, comprising:
The quantum double-strand coding that the initialization is updated by matrixing mode, obtains Quantum rotating gate；
The corresponding rotation angle of the Quantum rotating gate is inputted into cuckoo algorithm, the rotation angle updated；
According to the rotation angle of the Quantum rotating gate and the update, status switch matrix is obtained；
Numerical value in the status switch matrix is rounded, the status switch matrix after being rounded；
The numerical value of the first row and the numerical value of the second row are chosen from the status switch matrix after the rounding, as the switch letter
Number state sequence.
3. the Fault Locating Method of power distribution network according to claim 1, which is characterized in that described in each switch letter
Number state sequence and in the case where minimum value, according to the corresponding switch function of each switch function status switch, meter
Calculate Evaluation: Current function, comprising:
The Evaluation: Current function is calculated according to the following formula:
Wherein, f is the Evaluation: Current function, IjFor the corresponding switch function of each switch function status switch, I* jFor
The expectation of the corresponding switch function of each switch function status switch,For each switch function status switch.
4. the Fault Locating Method of power distribution network according to claim 1, which is characterized in that the method also includes:
If numerical value in the switch function status switch, there are 1, the corresponding section of the switch function status switch is deposited
In equipment fault；
If the numerical value in the switch function status switch is 0, the corresponding section of the switch function status switch is not
There are equipment faults.
5. the Fault Locating Method of power distribution network according to claim 1, which is characterized in that described according to each switch function
Status switch calculates corresponding switch function, comprising:
Each switch function status switch is calculated according to the following formula calculates corresponding switch function:
Wherein, IjIt (s) is the corresponding switch function of each switch function status switch, SiFor the corresponding switch letter of the i-th section
Number state sequence, j indicate to switch, i expression sector number, i=1, and 2,3 ...,Expression relationship or.
6. a kind of fault locator of power distribution network, which is characterized in that described device includes:
First acquisition unit, for obtaining the quantum double-strand coding of initialization；
Second acquisition unit, for obtaining multiple switch for the quantum double-strand coding input quantum genetic algorithm of the initialization
Function status sequence；
First computing unit, for calculating corresponding switch function according to each switch function status switch；
Second computing unit, for each switch function status switch and be minimum value in the case where, according to described
The corresponding switch function of each switch function status switch, calculates Evaluation: Current function；
Comparing unit, for the Evaluation: Current function to be compared with previous evaluation function；
Updating unit, for continuing described in update in the case where the Evaluation: Current function is less than the previous evaluation function
Evaluation: Current function.
7. the fault locator of power distribution network according to claim 6, which is characterized in that the second acquisition unit packet
It includes:
The quantum double-strand coding that the initialization is updated by matrixing mode, obtains Quantum rotating gate；
The corresponding rotation angle of the Quantum rotating gate is inputted into cuckoo algorithm, the rotation angle updated；
According to the rotation angle of the Quantum rotating gate and the update, status switch matrix is obtained；
Numerical value in the status switch matrix is rounded, the status switch matrix after being rounded；
The numerical value of the first row and the numerical value of the second row are chosen from the status switch matrix after the rounding, as the switch letter
Number state sequence.
8. the fault locator of power distribution network according to claim 6, which is characterized in that the second computing unit packet
It includes:
The Evaluation: Current function is calculated according to the following formula:
Wherein, f is the Evaluation: Current function, IjFor the corresponding switch function of each switch function status switch, I* jFor
The expectation of the corresponding switch function of each switch function status switch,For each switch function status switch.
9. the fault locator of power distribution network according to claim 6, which is characterized in that described device further include:
First determination unit, for the numerical value in the switch function status switch there are in the case where 1, the switch function
There are equipment faults for the corresponding section of status switch；
Second determination unit, in the case where being 0 for the numerical value in the switch function status switch, the switch function
Equipment fault is not present in the corresponding section of status switch.
10. the fault locator of power distribution network according to claim 6, which is characterized in that the first computing unit packet
It includes:
Each switch function status switch is calculated according to the following formula calculates corresponding switch function:
Wherein, IjIt (s) is the corresponding switch function of each switch function status switch, SiFor the corresponding switch letter of the i-th section
Number state sequence, j indicate to switch, i expression sector number, i=1, and 2,3 ...,Expression relationship or.
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| CN110261735A (en) * | 2019-06-18 | 2019-09-20 | 西华大学 | Based on the electrical power distribution network fault location method for improving quantum cuckoo algorithm |
| CN110703032A (en) * | 2019-08-26 | 2020-01-17 | 常州轻工职业技术学院 | Power grid fault positioning method |
| CN111125833A (en) * | 2019-12-16 | 2020-05-08 | 北京航空航天大学 | Double-chain quantum genetic algorithm for structure optimization design |
| CN113626243A (en) * | 2021-08-16 | 2021-11-09 | 北京航空航天大学 | Nonlinear system fault diagnosis method and system based on bionic optimization particle filtering |
| CN113740650A (en) * | 2021-09-06 | 2021-12-03 | 集美大学 | Ship power system fault detection method, terminal device and storage medium |
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2018
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| CN110261735A (en) * | 2019-06-18 | 2019-09-20 | 西华大学 | Based on the electrical power distribution network fault location method for improving quantum cuckoo algorithm |
| CN110261735B (en) * | 2019-06-18 | 2021-07-20 | 西华大学 | Power distribution network fault positioning method based on improved quantum cuckoo algorithm |
| CN110703032A (en) * | 2019-08-26 | 2020-01-17 | 常州轻工职业技术学院 | Power grid fault positioning method |
| CN111125833A (en) * | 2019-12-16 | 2020-05-08 | 北京航空航天大学 | Double-chain quantum genetic algorithm for structure optimization design |
| CN113626243A (en) * | 2021-08-16 | 2021-11-09 | 北京航空航天大学 | Nonlinear system fault diagnosis method and system based on bionic optimization particle filtering |
| CN113626243B (en) * | 2021-08-16 | 2023-05-26 | 北京航空航天大学 | Nonlinear system fault diagnosis method and system based on bionic optimized particle filtering |
| CN113740650A (en) * | 2021-09-06 | 2021-12-03 | 集美大学 | Ship power system fault detection method, terminal device and storage medium |
| CN113740650B (en) * | 2021-09-06 | 2023-09-19 | 集美大学 | Ship electric power system fault detection method, terminal equipment and storage medium |
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