CN109449930A - Evaluating reliability of distribution network repair time parameter model method, equipment and medium - Google Patents
Evaluating reliability of distribution network repair time parameter model method, equipment and medium Download PDFInfo
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- CN109449930A CN109449930A CN201811401116.0A CN201811401116A CN109449930A CN 109449930 A CN109449930 A CN 109449930A CN 201811401116 A CN201811401116 A CN 201811401116A CN 109449930 A CN109449930 A CN 109449930A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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Abstract
The present invention provides a kind of evaluating reliability of distribution network repair time parameter model method, equipment and media, this method comprises: obtaining the historical data of distribution network failure equipment；Feature is repaired according to preset equipment, division processing is carried out to the repair time of faulty equipment, and establish repair time model；It is for statistical analysis to the historical data according to the repair time model and preset fault statistics feature, calculate the duration of each repair time section in the repair time model；According to the duration of each repair time section, the repair time dependability parameter of power distribution network is calculated.Division modeling is carried out by the repair time to faulty equipment, and the repair time after division is calculated, the repair time parameter of the reliability assessment in certain time period can be accurately calculated, the precision of equipment repair time parameter is improved, reduces the error of evaluating reliability of distribution network.
Description
Technical field
The present invention relates to evaluating reliability of distribution network technical fields, and in particular to when a kind of evaluating reliability of distribution network is repaired
Between parameter model method, equipment and medium.
Background technique
Power distribution network carries the vital task that electric energy is transferred to different voltages class user from power supply or power transmission network, directly
It is connected with user, is affected to power supply reliability.Statistics is shown: about 80% power outage is by distribution system event
Barrier causes.Therefore, it is particularly significant quickly and accurately to carry out evaluating reliability of distribution network.The required reliability of reliability assessment is joined
Number is broadly divided into two class of probability of malfunction parameter and repair time parameter.And these two types of parameters are required to historical failure statistical sample number
According to seeking.If used statistical parameter method excessively simplifies, obtained dependability parameter estimated value and reality may be made
There are relatively large deviations for value, and further the assessment horizontal on power distribution network achieved reliability, which generates basic error, influences, and tie assessment
Reference significance reduction of the fruit in power distribution network operation planning.
Historical statistical data is mostly used to be averaging currently, conventional electrical distribution net reliability assessment obtains equipment repair time parameter
The method of value, i.e. statistical correlation devices in system historical failure data, when each equipment fault reparation is completed in the counting statistics time limit
The average value of time used carries out evaluating reliability of distribution network calculating as component reliability parameter.Carrying out power distribution network
When reliability assessment, this method uses unified dependability parameter, equipment repair time to the equipment of entire distribution network system
Parameters precision is insufficient, causes reliability assessment error larger.
Summary of the invention
Based on this, the present invention provides a kind of evaluating reliability of distribution network repair time parameter model method, equipment and Jie
Matter can effectively improve the precision of equipment repair time parameter, reduce the error of evaluating reliability of distribution network.
In a first aspect, the embodiment of the invention provides a kind of evaluating reliability of distribution network repair time parameter model method,
Include:
Obtain the historical data of distribution network failure equipment；
Feature is repaired according to preset equipment, when carrying out division processing to the repair time of faulty equipment, and establishing reparation
Between model；
It is for statistical analysis to the historical data according to the repair time model and preset fault statistics feature,
Calculate the duration of each repair time section in the repair time model；
According to the duration of each repair time section, the repair time dependability parameter of power distribution network is calculated.
Preferably, the equipment repair feature include: time of failure, send between working hour, arrival situ time, failure it is fixed
Position time, Fault Isolation time, fault point upstream restore electricity time, fault outage interconnection switch switching time, breakdown gang 5
Arrival time, repairing materials measurement arrival time, faulty equipment repair time and whole users restore electricity the time；It is described to repair
The multiple period includes: Trouble Report duration, suddenly repairs duration, fault location duration, isolated operation duration, upstream telegram in reply operation in place
Duration, downstream turn powered operation duration, breakdown gang 5 in place duration, it is anxious repair materials measurement duration, faulty equipment repair duration with
And whole users send a telegram in reply and operate duration.
Preferably, the fault statistics feature includes preset wiring region feature, automatic mode feature, faulty equipment
Type and preset equipment fault reason.
Preferably, described according to the repair time model and preset fault statistics feature, to the historical data into
Row statistical analysis calculates the duration of each repair time section in the repair time model, specifically includes:
Trouble Report duration in the historical data is counted, the failure report in the repair time model is calculated
Accuse duration；
According to the wiring region feature, duration in place is repaired to the urgency in the historical data and carries out statistic of classification, is calculated
Urgency in the repair time model repairs duration in place；
According to the wiring region feature and the automatic mode feature, to the fault location in the historical data
Duration carries out statistic of classification, calculates the fault location duration in the repair time model；
According to the wiring region feature, statistic of classification is carried out to the isolated operation duration in the historical data, is calculated
Isolated operation duration in the repair time model；
According to the wiring region feature and the automatic mode feature, send a telegram in reply to the upstream in the historical data
It operates duration and carries out statistic of classification, calculate the upstream telegram in reply operation duration in the repair time model；
According to the wiring region feature and the automatic mode feature, the downstream in the historical data is turned to supply
Electrically operated duration carries out statistic of classification, and the downstream calculated in the repair time model turns powered operation duration；
According to the wiring region feature, to the breakdown gang 5 in the historical data, duration carries out statistic of classification in place,
Calculate breakdown gang 5 in repair time model duration in place；
According to the wiring region feature, the faulty equipment type and the equipment fault reason, to the history
Urgency in data repairs materials measurement duration and carries out statistic of classification, when calculating the urgency in the repair time model and repairing materials measurement
It is long；
According to the faulty equipment type and the equipment fault reason, the faulty equipment in the historical data is repaired
Multiple duration carries out statistic of classification, and the faulty equipment calculated in the repair time model repairs duration；
According to the wiring region feature, classification system is carried out to whole users telegram in reply operation duration in the historical data
Meter calculates whole users telegram in reply operation duration in the repair time model.
Preferably, the Trouble Report duration in the historical data counts, and calculates the repair time mould
Trouble Report duration in type, specifically includes:
According to formula (1), fault correction time of the faulty equipment under any one equipment fault reason is calculated；
Wherein, t0Indicate time of failure；t1Expression was sent between working hour；N indicates the distribution extracted in historical data event
Hinder number, T1,iIndicate Trouble Report duration used in distribution i-th failure.
Preferably, described according to the wiring region feature, duration in place is repaired to the urgency in the historical data and is divided
Class statistics, the urgency calculated in the repair time model are repaired duration in place, are specifically included:
According to formula (2), the urgency calculated in the repair time model repairs duration in place；
Wherein, t1Expression was sent between working hour；t2It indicates to reach situ time；T2, city、T2, agriculture、T2, partiallyRespectively indicate city, rural area,
Urgency under three wiring region features from far-off regions repairs duration in place.
Preferably, described according to the wiring region feature and the automatic mode feature, to the historical data
In fault location duration carry out statistic of classification, calculate the fault location duration in the repair time model, specifically include:
According to formula (3), the fault location duration in the repair time model is calculated.
Wherein, t2It indicates to reach situ time；t3Indicate fault location time；T3,n,mRespectively indicate the n-th class automation mould
Urgency under formula under the feature of m kind wiring region repairs duration in place, n=A, B, C, the city m=, agriculture, partially.
Preferably, the duration according to each repair time section, calculates the repair time dependability parameter of power distribution network,
It specifically includes:
Duration, fault location duration, isolation behaviour in place are repaired according to Trouble Report duration, the urgency in the repair time model
Making duration, breakdown gang 5, duration, urgency repair materials measurement duration in place and faulty equipment repairs duration, calculate faulty equipment any
Fault correction time under the one equipment fault reason；
Duration, fault location duration in place are repaired according to Trouble Report duration, the urgency in the repair time model and are isolated
Duration is operated, fault location isolation time is calculated；
According to the upstream telegram in reply operation duration in the repair time model, calculates fault point upstream and restore electricity when operating
Between；
Turn powered operation duration according to the downstream in the repair time model, when calculating the switching of fault outage interconnection switch
Between；
It is sent a telegram in reply according to whole users and operates duration, calculate load power off time at fault zone；
It is restored electricity the operating time according to the fault location isolation time and the fault point upstream, calculates fault point
Upstream restores electricity region load power off time；
According to the fault location isolation time and the fault outage interconnection switch switching time, calculate under fault point
Trip turns power supply area load power off time.
In a first aspect, the embodiment of the invention provides a kind of evaluating reliability of distribution network repair time parameter model equipment,
Including processor, memory and stores in the memory and be configured as the computer journey executed by the processor
Sequence, the processor realize such as above-mentioned evaluating reliability of distribution network repair time parameter model when executing the computer program
Method.
In a first aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage
Medium includes the computer program of storage, wherein controls the computer-readable storage medium in computer program operation
Equipment executes such as above-mentioned evaluating reliability of distribution network repair time parameter model method where matter.
Compared with the existing technology, a kind of evaluating reliability of distribution network repair time parameter model provided in an embodiment of the present invention
The beneficial effect of method is: this method comprises: obtaining the historical data of distribution network failure equipment；According to preset equipment reparation
Feature carries out division processing to the repair time of faulty equipment, and establishes repair time model；According to the repair time model
It is for statistical analysis to the historical data with preset fault statistics feature, it calculates and is respectively repaired in the repair time model
The duration of period；According to the duration of each repair time section, the repair time dependability parameter of power distribution network is calculated.By right
The repair time of faulty equipment carries out division modeling, and calculates the repair time after division, can accurately calculate certain
The repair time parameter of reliability assessment in one period improves the precision of equipment repair time parameter, and reducing power distribution network can
By the error of property assessment.
Detailed description of the invention
Fig. 1 is a kind of process of evaluating reliability of distribution network repair time parameter model method provided in an embodiment of the present invention
Figure；
Fig. 2 is the state transition diagram of stable state provided in an embodiment of the present invention " operation-failure is stopped transport "；
Fig. 3 is the schematic diagram of repair time model provided in an embodiment of the present invention；
Fig. 4 is the flow chart of evaluating reliability of distribution network provided in an embodiment of the present invention；
Fig. 5 is a kind of signal of evaluating reliability of distribution network repair time parameter model equipment provided in an embodiment of the present invention
Block diagram.
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.
It is a kind of evaluating reliability of distribution network repair time parameter model that first embodiment of the invention provides referring to Fig. 1
The flow chart of method；
The evaluating reliability of distribution network repair time parameter model method, comprising:
S11: the historical data of distribution network failure equipment is obtained；
The electric power network system of connection major network and user that distribution system is made of a variety of controller switching equipments and distribution facility,
It can be by establishing electricity distribution network model, controller switching equipment outage model and obtaining power distribution network underlying parameter and dependability parameter progress distribution
Net reliability assessment.And electricity distribution network model is the influence degree according to various kinds of equipment in power distribution network to power supply reliability, to reality
Facility in power grid carries out merger and ignores, obtained simplification distribution network, reliable by carrying out to simplified distribution network
Property assessment calculate, to realize to the Reliability Evaluation of power distribution network.
Further, electricity distribution network model is constructed by obtaining power distribution network underlying parameter.Power distribution network underlying parameter includes power grid
Topological structure, distribution line and transformer underlying parameter and load point data.Specifically, from GIS-Geographic Information System
(GIS), equipment (assets) O&M lean management system (PMS), scheduling data acquire and one in detecting and controlling system (SCADA)
Or the power distribution network underlying parameter is obtained in multiple systems.
Further, controller switching equipment outage model is constructed according to the operating status of equipment and failure stoppage in transit state, it is described to match
Electric equipment outage model is two state models, as shown in Fig. 2, the controller switching equipment outage model is by stable state, " operation-failure is stopped
The state transition diagram of fortune " is simulated, and each state carries out state transfer by controller switching equipment dependability parameter in model.Power distribution network
Equipment fault dependability parameter includes failure rate and the repair time of equipment.Specifically, from customer power supply reliability management information
Failure rate and the repair time of equipment are obtained in system, power distribution network scheduling system and manufacturing program of a year.
In the present embodiment, from customer power supply reliability management information system, power distribution network scheduling system and year production meter
Failure rate and the repair time of 2 years Distribution Network Equipments, the historical data as distribution network failure equipment are obtained in drawing.
S12: repairing feature according to preset equipment, carries out division processing to the repair time of faulty equipment, and establish and repair
Multiple time model；
In the present embodiment, the faulty equipment of power distribution network include substation's 10KV bus, overhead transmission line, cable run, every
Leave nine kinds of pass (disconnecting link), breaker, fuse, on-load switch, distribution transformer, interconnection switch etc..The equipment is repaired special
Sign includes: district environmental difference feature, management level feature, reparation resource characteristic, materials measurement feature etc..According to it is different when
Between section by district environmental difference, management level, the influence degree for repairing resource, the features such as materials measurement, by faulty equipment
Repair time is divided into multiple time points, establishes the repair time model of faulty equipment.As shown in figure 3, using 11 times
The repair time of faulty equipment is divided into 10 repair time sections by node.
S13: according to the repair time model and preset fault statistics feature, statistical is carried out to the historical data
Analysis calculates the duration of each repair time section in the repair time model；
S14: according to the duration of each repair time section, the repair time dependability parameter of power distribution network is calculated.
The corresponding repair time dependability parameter of each faulty equipment is as shown in the table:
| Faulty equipment | Repair time dependability parameter |
| Substation's 10KV bus | (equivalent) fault correction time |
| Overhead transmission line, cable run | Fault correction time |
| Disconnecting switch (disconnecting link) | Fault correction time, fault location isolation time |
| Breaker, fuse | Fault correction time, fault point upstream restore electricity the operating time |
| On-load switch, distribution transformer | Fault correction time |
| Interconnection switch | Fault outage interconnection switch switching time |
In the present embodiment, division modeling is carried out by the repair time to faulty equipment, and when to reparation after division
Between calculated, can accurately calculate the repair time parameter of the reliability assessment of each faulty equipment in certain time period, mention
The precision of high equipment repair time parameter, reduces the error of evaluating reliability of distribution network.
In an alternative embodiment, it includes: time of failure t that the equipment, which repairs feature,0, send t between working hour1, arrive
Up to situ time t2, fault location time t3, Fault Isolation time t4, fault point upstream restores electricity time t4', fault outage
Interconnection switch switching time t4", breakdown gang 5 arrival times t5, repairing materials measurement arrival time t6, faulty equipment repair time
t7And whole users restore electricity time t8；The repair time section includes: Trouble Report duration T1, the anxious duration T in place that repairs2、
Fault location duration T3, isolated operation duration T4, upstream telegram in reply operation duration T4', downstream turn powered operation duration T4", breakdown gang
5 duration T in place5, the anxious materials measurement duration T that repairs6, faulty equipment repair duration T7And whole users send a telegram in reply and operate duration T8。
In an alternative embodiment, the fault statistics feature includes preset wiring region feature, automation mould
Formula feature, faulty equipment type and preset equipment fault reason.
In an alternative embodiment, described according to the repair time model and preset fault statistics feature, it is right
The historical data is for statistical analysis, calculates the duration of each repair time section in the repair time model, specifically includes:
Trouble Report duration in the historical data is counted, the failure report in the repair time model is calculated
Accuse duration；
According to the wiring region feature, duration in place is repaired to the urgency in the historical data and carries out statistic of classification, is calculated
Urgency in the repair time model repairs duration in place；
According to the wiring region feature and the automatic mode feature, to the fault location in the historical data
Duration carries out statistic of classification, calculates the fault location duration in the repair time model；
According to the wiring region feature, statistic of classification is carried out to the isolated operation duration in the historical data, is calculated
Isolated operation duration in the repair time model；
According to the wiring region feature and the automatic mode feature, send a telegram in reply to the upstream in the historical data
It operates duration and carries out statistic of classification, calculate the upstream telegram in reply operation duration in the repair time model；
According to the wiring region feature and the automatic mode feature, the downstream in the historical data is turned to supply
Electrically operated duration carries out statistic of classification, and the downstream calculated in the repair time model turns powered operation duration；
According to the wiring region feature, to the breakdown gang 5 in the historical data, duration carries out statistic of classification in place,
Calculate breakdown gang 5 in repair time model duration in place；
According to the wiring region feature, the faulty equipment type and the equipment fault reason, to the history
Urgency in data repairs materials measurement duration and carries out statistic of classification, when calculating the urgency in the repair time model and repairing materials measurement
It is long；
According to the faulty equipment type and the equipment fault reason, the faulty equipment in the historical data is repaired
Multiple duration carries out statistic of classification, and the faulty equipment calculated in the repair time model repairs duration；
According to the wiring region feature, classification system is carried out to whole users telegram in reply operation duration in the historical data
Meter calculates whole users telegram in reply operation duration in the repair time model.
In an alternative embodiment, the Trouble Report duration in the historical data counts, and calculates
Trouble Report duration in the repair time model, specifically includes:
According to formula (1), fault correction time of the faulty equipment under any one equipment fault reason is calculated；
Wherein, t0Indicate time of failure；t1Expression was sent between working hour；N indicates the distribution extracted in historical data event
Hinder number, T1,iIndicate Trouble Report duration used in distribution i-th failure.
In an alternative embodiment, described according to the wiring region feature, the urgency in the historical data is repaired
Duration carries out statistic of classification in place, and the urgency calculated in the repair time model is repaired duration in place, specifically included:
According to formula (2), the urgency calculated in the repair time model repairs duration in place；
Wherein, t1Expression was sent between working hour；t2It indicates to reach situ time；T2, city、T2, agriculture、T2, partiallyRespectively indicate city, rural area,
Urgency under three wiring region features from far-off regions repairs duration in place.
It is in an alternative embodiment, described according to the wiring region feature and the automatic mode feature,
Statistic of classification is carried out to the fault location duration in the historical data, when calculating the fault location in the repair time model
It is long, it specifically includes:
According to formula (3), the fault location duration in the repair time model is calculated.
Wherein, t2It indicates to reach situ time；t3Indicate fault location time；T3,n,mRespectively indicate the n-th class automation mould
Urgency under formula under the feature of m kind wiring region repairs duration in place, n=A, B, C, the city m=, agriculture, partially.
Further, according to formula (4), the isolated operation duration in the repair time model is calculated；
Wherein, t3Indicate fault location time；t4Indicate the Fault Isolation time；T4,n,mRespectively indicate the n-th class automation mould
Isolated operation duration under formula under the feature of m kind wiring region, n=A, B, C, the city m=, agriculture, partially.
According to formula (5), the upstream telegram in reply operation duration in the repair time model is calculated.
Wherein, T '4,n,mRespectively indicate the upstream telegram in reply operation under the n-th class automatic mode under the feature of m kind wiring region
Duration, n=A, B, C, the city m=, agriculture, partially.
According to formula (6), the downstream calculated in the repair time model turns powered operation duration.
Wherein, T "4,nm,It respectively indicates the downstream under the n-th class automatic mode under the feature of m kind wiring region and turns power supply behaviour
Make duration, n=A, B, C, the city m=, agriculture, partially.
According to formula (7), breakdown gang 5 in repair time model duration in place is calculated；
Wherein, T5,n,mIt respectively indicates the downstream under the n-th class automatic mode under the feature of m kind wiring region and turns powered operation
Duration, the city m=, agriculture, partially.
According to formula (8), the urgency calculated in the repair time model repairs materials measurement duration；
Wherein,When respectively indicating the urgency in jth under the feature of equipment fault type m kind wiring region and repairing materials measurement
It is long；Equipment fault type is respectively indicated in jth under m kind wiring region feature and tr kind equipment fault reason
Suddenly repair materials measurement duration；The city m=, agriculture, partially.
According to formula (9), the faulty equipment calculated in the repair time model repairs duration；
Wherein,When respectively indicating the faulty equipment reparation in jth under the feature of equipment fault type m kind wiring region
It is long；The faulty equipment reparation duration respectively indicated in jth under equipment fault type and tr kind equipment fault reason is corresponding
Failure rate；The city m=, agriculture, partially.
According to formula (10), whole users telegram in reply operation duration in the repair time model is calculated；
Wherein, T8,mWhole users under the feature of m kind wiring region are respectively indicated to send a telegram in reply operation duration, the city m=, agriculture,
Partially.
In order to facilitate understanding, the duration calculation of repair time section each in the repair time model is carried out below detailed
Illustrate:
1) Trouble Report duration
Trouble Report duration refers to that Customer Service Center is connected to client's impaired report information or scheduling institution discovering device failure extremely
It generates work order and sends the anxious time for repairing personnel with charge free, be calculated by following formula.
T1=t1-t0
The mode that client service center, distribution company accepts fault message shares 3 kinds: client, which reports for repairment, dispatches operator on duty's discovery sets
Standby failure and operations staff's discovering device failure.After accepting fault message, center can send work to handle to Ji Xiu teams and groups rapidly,
And fault message is notified into scheduling institution in a short time, fault message is accepted to sending the time of work shorter from Customer Service Center
And have very strong randomness, therefore using the average value of the Trouble Report duration of all fault messages of System History statistical data come
It calculates equipment fault and reports duration.Simultaneously it is also contemplated that since the system management of each company is horizontal and scientific skill under different times
Difference brought by the fast development of art (technical software), therefore statistical data section mainly takes the data of nearly 1-2 that can more embody
The true horizon of the dependability parameter of distribution net equipment, calculation formula are as follows.
In formula, N is nearly 2 years Distribution Network Failure numbers, T1,iFor Trouble Report duration used in distribution i-th failure.
2) anxious to repair duration in place
It suddenly repairs duration in place and refers to from the anxious class of repairing and be connected to anxious work order of repairing to the time for arriving at scene, be calculated by following formula.
T2=t2-t1
It suddenly repairs personnel to receive after suddenly repairing task, quick response quickly reaches fault in-situ.Therefore it is anxious repair duration in place have compared with
Strong randomness, the difference of random distribution level is mainly different due to the distance of fault point to Ji Xiu teams and groups, and city, agriculture
There are notable differences for the conditions such as human resources, traffic resource, the business administration business need in the area such as village, remote districts, unsuitable
Take all whole be averaged to calculate the anxious method for repairing duration in place.Therefore the fining statistics mark of duration in place will suddenly be repaired
Standard is chosen for three classes land feature, i.e. city, rural area, remote districts.Such as: city 45 minutes, rural area 90 minutes are special
Outlying district 2 hours.
The urgency of the statistics fault data of nearly 1-2 repairs duration subregion statistics in place, then according to calculating three classes region pair
The urgency answered repairs duration in place, obtains following urgency and repairs duration typical case value set in place.
T2∈{T2, city T2, agriculture T2, partially}
3) fault location operates duration
Fault location operation duration, which refers to from the anxious class of repairing, reaches scene to the time for determining faulty section, with non-faulting Duan Nengzhuan
Subject to electricity, it is calculated by following formula.
T3=t3-t2
The technical level of the length primary power distribution system of fault location operation duration is determined.Wherein with distribution automation
Practical situation is the closest.The practical situation of general distribution automation is better, and fault location operates that duration is shorter, distribution from
The practical situation of dynamicization is classified as follows shown in table:
In distribution automation classification, the fault location operating time when Distribution Network Failure of high, the middle degree of intelligence of A, B class is
0, C, when D class Distribution Network Failure, after needing suddenly to repair personnel's arrival fault in-situ, rapid tissue trouble shoot and breakdown judge.Due to
C, D class distribution network fault location means are more traditional, it is usually required mainly for rely on and suddenly repair personnel positioning, the pipe of positioning time and this area
Reason level and geographical topography are closely related, and therefore, the fining SS by fault location operation duration is automatic mode
Feature and land feature.It is first chosen according to automatic mode tagsort, according still further to city, rural area, remote districts three
Class land tagsort is chosen, the fault location operation duration subregion statistics of the statistics fault data of nearly 1-2, finally
Obtain typical value set below.
T3∈{T3,A T3,B T3,C T3,D}
T3,C∈{T3, C, city T3, C, agriculture T3, C, partially}
T3,D∈{T3, D, city T3, D, agriculture T3, D, partially}
4) Fault Isolation operates duration
Fault Isolation operation duration, which refers to be isolated from completion fault location to non-faulting area fault, restores electric power feeding time, by
Following formula is calculated.
T4=t4-t3
Fault Isolation operation duration is similar with fault location operation duration, duration and automatic mode feature and line areas
Characteristic of field is closely bound up.Therefore, the fining SS that Fault Isolation can be operated to duration is automatic mode feature and line
Road provincial characteristics.It first chooses, is chosen according to three classes land tagsort, nearly according to automatic mode tagsort
The Fault Isolation operation duration subregion statistics of the statistics fault data of 1-2, finally obtains typical value set below.Wherein,
Operate duration, only A class power distribution automation automatism isolation that failure may be implemented different from fault location, thus only from
The isolated operation time of dynamicization classification A class can directly be taken as 0, and B, C, D class need to rely on and suddenly repairs personnel's progress isolated operation,
Its isolated operation duration is according to city, rural area, three classes provincial characteristics classifying and selecting from far-off regions to retain regional technical characteristic.
T4∈{T4,A T4,B T4,C T4,D}
T4,B∈{T4, B, city T4, B, agriculture T4, B, partially}
T4,C∈{T4, C, city T4, C, agriculture T4, C, partially}
T4,D∈{T4, D, city T4, D, agriculture T4, D, partially}
5) upstream telegram in reply operation duration and downstream turn powered operation duration
Upstream telegram in reply operation duration refers to that being isolated to fault point upstream switch equipment from fault point closes a floodgate again and restore
It the time of upstream load power supply, is calculated by following formula.
T4'=t4′-t4
Downstream turn powered operation duration refer to from fault point be isolated to trouble point downstream interconnection switch close a floodgate and restore under
The time for swimming load power supply, by being calculated under formula.
T4"=t4″-t3
After faulty equipment is isolated with power grid, suddenly the personnel of repairing should restore non-faulting section client power supply in time, i.e., to failure
Point upstream carries out reclosing operation, carries out turning powered operation to trouble point downstream.It suddenly repairs personnel and executes corresponding switch motion, need
It to arrive assigned switch settlement and be matched with control centre.Therefore the practical situation and event of its operating time and distribution automation
The provincial characteristics of barrier point upstream and downstream switch is closely bound up.Therefore, upstream telegram in reply operation duration and downstream are turned into powered operation duration
Fining SS be automatic mode feature and land feature.First selected according to automatic mode tagsort
It takes, is chosen according still further to city, rural area, three classes land tagsort from far-off regions, the statistics fault data of nearly 1-2
Upstream telegram in reply operation duration and downstream turn powered operation duration subregion statistics, finally obtain following operation duration typical case's value set.
T′4∈{T′4,A T′4,B T′4,C T′4,D}
T′4,A∈{T′4, A, city T′4, A, agriculture T′4, A, partially}
T′4,B∈{T′4, B, city T′4, B, agriculture T′4, B, partially}
T′4,C∈{T′4, C, city T′4, C, agriculture T′4, C, partially}
T′4,D∈{T′4, D, city T′4, D, agriculture T′4, D, partially}
T″4∈{T″4,A T″4,B T″4,C T″4,D}
T″4,A∈{T″4, A, city T″4, A, agriculture T″4, A, partially}
T″4,B∈{T″4, B, city T″4, B, agriculture T″4, B, partially}
T″4,C∈{T″4, C, city T″4, C, agriculture T″4, C, partially}
T″4,D∈{T″4, D, city T″4, D, agriculture T″4, D, partially}
6) duration in place of breakdown gang 5
Duration refers to and needs to deploy in the case of Wai Wei breakdown gang 5 in place for breakdown gang 5, from allotment demand is issued to breakdown gang
5 arrive at the time used in scene, are calculated by following formula.
T5=t5-t3
After Ji Xiu troop carries out trouble shoot and judgement, if Ji Xiu troop can complete fault restoration, breakdown gang 5
A length of 0 when in place；Otherwise, then Wai Wei breakdown gang 5 is needed to carry out fault restoration, with stronger randomness, random distribution water
Flat difference is mainly due to can employment under the distance of fault point to Ji Xiu teams and groups and the geographical topography of fault point and each department
The spare condition of power resource.The fining SS of the duration in place of breakdown gang 5 is chosen for three classes land by the present embodiment
Feature, i.e. city, rural area, remote districts.
Duration subregion counts in place for the breakdown gang 5 of the statistics fault data of nearly 1-2, then according to calculating three classes line
The corresponding breakdown gang 5 in road region duration in place, obtains following urgency and repairs duration typical case value set in place.
T5∈{0 T5, city T5, agriculture T5, partially}
7) anxious to repair materials measurement duration
Suddenly repair materials measurement duration refer to needs deploy it is anxious repair goods and materials in the case of, supported from goods and materials allotment demand is issued to goods and materials
Up to the time used in scene, it is calculated by formula (19).
T6=t6-t3
(19)
After Ji Xiu troop carries out trouble shoot and judgement, faulty equipment type is first determined, carry out further according to failure cause
Sort out, different faulty equipment failure causes causes fault restoration materials needed different, and the goods and materials difference dispensed leads to goods and materials
Duration generates difference significantly in place for dispatching.Therefore need to carry out classification statistics according to failure cause, tentatively obtain representative value below
Set.
Wherein, j=1,2 ..., 8, be faulty equipment type, respectively represent 10kV bus, overhead transmission line, cable run, every
Leave pass, on-load switch, breaker, fuse, transformer；1,2 ... tr ... n represent the equipment fault reason of the equipment fault.
Controller switching equipment is the reason is as follows that shown in table:
The goods and materials for repair to this kind of failure cause needs are further determined that, if materials needed are in the first aid of Ji Xiu troop
It is in packet, then anxious to repair a length of 0 when materials measurement；Otherwise, then it needs to carry out fault restoration from nearest goods and materials storing place allotment goods and materials,
It is mainly distance and failure due to fault point to goods and materials storing place with stronger randomness, the difference of random distribution level
The geographical topography of point, the present embodiment select the fining SS that the urgency under certain failure cause of equipment repairs materials measurement duration
It is taken as three classes land feature, i.e. city, rural area, remote districts.City 2 hours, rural area 4 hours, special from far-off regions 6 is small
When.
Duration subregion counts in place for the breakdown gang 5 of the statistics fault data of nearly 1-2, then according to calculating this kind event
Hinder the corresponding breakdown gang 5 in the three classes region duration in place under equipment fault reason, obtains typical value set below.
8) faulty equipment repairs duration
Faulty equipment is repaired duration and is referred to from Fault Isolation, repairing materials measurement, breakdown gang 5 time used in three in place
The longest starts to calculate, until the time needed for completing fault restoration, is calculated by following formula.
T7=t7-max(t4,t5,t6)
Fault restoration materials needed and personnel in place after, start to repair faulty equipment, repair goods and materials with anxious and match
Send duration the same, time and device type needed for equipment fault reparation and barrier equipment fault reason are closely bound up, and difference is set
Failure caused by standby failure cause needs to formulate different recovery scenarios, and the time of consuming is different greatly.The present embodiment is by failure
The fining SS that equipment repairs duration is chosen for device type and its faulty equipment failure cause feature.First judge failure
Device type carries out classification statistics according to equipment fault reason, tentatively obtains typical value set below.The nearly system of 1-2
The faulty equipment for counting fault data repairs duration subset failure cause statistics, then carries out classification system according to equipment fault reason
Meter, tentatively obtain following faulty equipment repair duration typical value set and its corresponding failure rate.
Wherein, j is faulty equipment type, and 1,2 ... tr ... n represents equipment fault reason.
The failure rate of any one equipment fault reason is calculated by following formula
Wherein, n indicate equipment when exposed in the number of stoppages；T is total exposure duration of equipment；λijIt indicates for the
I equipment failure rate as caused by jth kind equipment fault reason.
9) whole users, which restore electricity, operates duration
Whole users, which restore electricity, to be operated duration and refers to the time to restore electricity since failure to all mesolow users,
It is calculated by following formula.
T8=t8-t7
Whole users, which restore electricity, to be operated duration and generally passes through 3 processes: being waited the telegram in reply of control centre to permit, is run people
Member rushes for the time at scene and the time of execute-in-place switch.It can be seen that whole users restore electricity and operate duration and scene
With the distance of operations staff and want that the geographical topography sung is closely bound up, whole users are restored electricity and operate duration by the present embodiment
Fining SS be chosen for three classes land feature, i.e. city, rural area, remote districts.
Whole users of the statistics fault data of nearly 1-2, which restore electricity, operates duration subregion statistics, then according to meter
The corresponding whole users in calculation three classes region, which restore electricity, operates duration, obtains following typical value set.
T8∈{0 T8, city T8, agriculture T8, partially}
The duration selection rule of period is respectively repaired in repair time model by the available faulty equipment of above-mentioned calculating,
Shown in table specific as follows:
In an alternative embodiment, the duration according to each repair time section, calculates the reparation of power distribution network
Time reliability parameter, specifically includes:
Duration, fault location duration, isolation behaviour in place are repaired according to Trouble Report duration, the urgency in the repair time model
Making duration, breakdown gang 5, duration, urgency repair materials measurement duration in place and faulty equipment repairs duration, calculate faulty equipment any
Fault correction time under the one equipment fault reason；
Duration, fault location duration in place are repaired according to Trouble Report duration, the urgency in the repair time model and are isolated
Duration is operated, fault location isolation time is calculated；
According to the upstream telegram in reply operation duration in the repair time model, calculates fault point upstream and restore electricity when operating
Between；
Turn powered operation duration according to the downstream in the repair time model, when calculating the switching of fault outage interconnection switch
Between；
It is sent a telegram in reply according to whole users and operates duration, calculate load power off time at fault zone；
It is restored electricity the operating time according to the fault location isolation time and the fault point upstream, calculates fault point
Upstream restores electricity region load power off time；
According to the fault location isolation time and the fault outage interconnection switch switching time, calculate under fault point
Trip turns power supply area load power off time.
In order to facilitate understanding, the repair time dependability parameter calculating of power distribution network is described in detail below:
After the duration for respectively repairing the period in repair time model by the calculated faulty equipment of step S13, because on
Duration mutual exclusion two-by-two is stated, therefore uses the dependability parameter of following formula calculating controller switching equipment:
1) the fault correction time T under equipment equipment fault reasonr:
Tr,tr=T1+T2+T3+max(T4,T5,T6)+T7,tr (11)
Assuming that all devices failure cause is all mutually indepedent, and each equipment fault reason can cause equipment that event occurs
Barrier, therefore equipment fault reason is directly pertaining to series relationship, the present embodiment calculates the equipment for the series model of element is used
(equivalent) fault correction time, calculation formula is as follows:
Wherein, 1,2 ... tr ... n represents the technical reason of the equipment fault.
2) fault location isolation time Ts:
Ts=T1+T2+T3+T4 (13)
3) fault point upstream restores electricity operating time Tu:
Tu=T4′ (14)
4) fault outage interconnection switch switching time Td:
Td=T4″ (15)
5) load power off time T at fault zonea:
Ta=Tr+T8 (16)
6) fault point upstream restores electricity region load power off time Tb:
Tb=Ts+Tu (17)
7) trouble point downstream turns power supply area load power off time Tc:
Tc=Ts+Td (18)
The above-mentioned all formula of simultaneous finally establish the reliability repair time parameter of each equipment, including the event of equipment equipment
Hinder the fault correction time T under reasonr, fault location isolation time Ts, fault point upstream restores electricity operating time Tu, failure
Power failure interconnection switch switching time Td, load power off time T at fault zonea, fault point upstream restore electricity region load power failure
Time Tb, trouble point downstream turn power supply area load power off time TcComputation model, as shown in figure 4, being applied to medium voltage distribution network
In reliability assessment, using medium voltage distribution network reliability assessment block algorithm, the reliability index of the power distribution network can be calculated.
Compared with the existing technology, a kind of evaluating reliability of distribution network repair time parameter model provided in an embodiment of the present invention
The beneficial effect of method is: this method comprises: obtaining the historical data of distribution network failure equipment；According to preset equipment reparation
Feature carries out division processing to the repair time of faulty equipment, and establishes repair time model；According to the repair time model
It is for statistical analysis to the historical data with preset fault statistics feature, it calculates and is respectively repaired in the repair time model
The duration of period；According to the duration of each repair time section, the repair time dependability parameter of power distribution network is calculated.By right
The repair time of faulty equipment carries out division modeling, and calculates the repair time after division, can accurately calculate certain
The repair time parameter of reliability assessment in one period improves the precision of equipment repair time parameter, and reducing power distribution network can
By the error of property assessment.
It is the evaluating reliability of distribution network repair time parameter model equipment that second embodiment of the invention provides referring to Fig. 5
Schematic diagram.As shown in figure 4, the evaluating reliability of distribution network repair time parameter model equipment includes: at least one processor
11, for example, CPU, at least one network interface 14 or other users interface 13, memory 15, at least one communication bus 12,
Communication bus 12 is for realizing the connection communication between these components.Wherein, user interface 13 optionally may include USB interface
And other standards interface, wireline interface.Network interface 14 optionally may include Wi-Fi interface and other wireless interfaces.
Memory 15 may include high speed RAM memory, it is also possible to further include non-labile memory (non-
Volatilememory), a for example, at least magnetic disk storage.Memory 15 optionally may include at least one and be located remotely from
The storage device of aforementioned processor 11.
In some embodiments, memory 15 stores following element, executable modules or data structures, or
Their subset or their superset:
Operating system 151 includes various system programs, for realizing various basic businesses and hardware based of processing
Business；
Program 152.
Specifically, processor 11 executes and matches described in above-described embodiment for calling the program 152 stored in memory 15
System adequacy evaluation repair time parameter model method, such as step S11 shown in FIG. 1.Alternatively, the processor executes institute
The function of each module/unit in above-mentioned each Installation practice is realized when stating computer program.
Illustratively, the computer program can be divided into one or more module/units, one or more
A module/unit is stored in the memory, and is executed by the processor, to complete the present invention.It is one or more
A module/unit can be the series of computation machine program instruction section that can complete specific function, and the instruction segment is for describing institute
State implementation procedure of the computer program in the evaluating reliability of distribution network repair time parameter model equipment.
The evaluating reliability of distribution network repair time parameter model equipment can be desktop PC, notebook, the palm
Upper computer and cloud server etc. calculate equipment.The evaluating reliability of distribution network repair time parameter model equipment may include,
But it is not limited only to, processor, memory.It will be understood by those skilled in the art that the schematic diagram is only distribution network reliability
The example for assessing repair time parameter model equipment, is not constituted to evaluating reliability of distribution network repair time parameter model equipment
Restriction, may include perhaps combining certain components or different components than illustrating more or fewer components.
Alleged processor 11 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng the processor 11 is the control centre of the evaluating reliability of distribution network repair time parameter model equipment, and utilization is various
The various pieces of interface and the entire evaluating reliability of distribution network repair time parameter model equipment of connection.
The memory 15 can be used for storing the computer program and/or module, the processor 11 by operation or
Computer program and/or the module stored in the memory is executed, and calls the data being stored in memory, is realized
The various functions of the evaluating reliability of distribution network repair time parameter model equipment.The memory 15 can mainly include storage
Program area and storage data area, wherein storing program area can application program needed for storage program area, at least one function
(such as sound-playing function, image player function etc.) etc.；Storage data area, which can be stored, uses created number according to mobile phone
According to (such as audio data, phone directory etc.) etc..In addition, memory 15 may include high-speed random access memory, can also wrap
Include nonvolatile memory, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), peace
Digital (Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device,
Or other volatile solid-state parts.
Wherein, if module/unit of the evaluating reliability of distribution network repair time parameter model integration of equipments is with soft
The form of part functional unit realizes and when sold or used as an independent product, can store and computer-readable deposits at one
In storage media.Based on this understanding, the present invention realizes all or part of the process in above-described embodiment method, can also pass through
Computer program is completed to instruct relevant hardware, and the computer program can be stored in a computer readable storage medium
In, the computer program is when being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the calculating
Machine program includes computer program code, and the computer program code can be source code form, object identification code form, can hold
Style of writing part or certain intermediate forms etc..The computer-readable medium may include: that can carry the computer program code
Any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic disk, CD, computer storage, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunications letter
Number and software distribution medium etc..It should be noted that the content that the computer-readable medium includes can be managed according to the administration of justice
Local legislation and the requirement of patent practice carry out increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent
Practice, computer-readable medium does not include electric carrier signal and telecommunication signal.
Third embodiment of the invention provides a kind of computer readable storage medium, the computer readable storage medium packet
Include the computer program of storage, wherein where controlling the computer readable storage medium in computer program operation
Equipment executes the evaluating reliability of distribution network repair time parameter model method such as first embodiment.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of evaluating reliability of distribution network repair time parameter model method characterized by comprising
Obtain the historical data of distribution network failure equipment；
Feature is repaired according to preset equipment, division processing is carried out to the repair time of faulty equipment, and establish repair time mould
Type；
It is for statistical analysis to the historical data according to the repair time model and preset fault statistics feature, it calculates
The duration of each repair time section in the repair time model；
According to the duration of each repair time section, the repair time dependability parameter of power distribution network is calculated.
2. evaluating reliability of distribution network repair time parameter model method as described in claim 1, which is characterized in that described to set
It is standby repair feature include: time of failure, send between working hour, arrival situ time, fault location time, the Fault Isolation time,
Fault point upstream restore electricity the time, fault outage interconnection switch switching time, 5 arrival time of breakdown gang, repairing materials measurement
Arrival time, faulty equipment repair time and whole users restore electricity the time；The repair time section includes: Trouble Report
It is duration, anxious when repairing that duration, fault location duration, isolated operation duration, upstream telegram in reply operation duration, downstream turn powered operation in place
Long, breakdown gang 5 in place duration, it is anxious repair materials measurement duration, faulty equipment repairs duration and whole users send a telegram in reply operation when
It is long.
3. evaluating reliability of distribution network repair time parameter model method as claimed in claim 2, which is characterized in that the event
Barrier statistical nature includes preset wiring region feature, automatic mode feature, faulty equipment type and the event of preset equipment
Hinder reason.
4. evaluating reliability of distribution network repair time parameter model method as claimed in claim 3, which is characterized in that described
It is for statistical analysis to the historical data according to the repair time model and preset fault statistics feature, it is repaired described in calculating
The duration of each repair time section in multiple time model, specifically includes:
Trouble Report duration in the historical data is counted, when calculating the Trouble Report in the repair time model
It is long；
According to the wiring region feature, duration in place is repaired to the urgency in the historical data and carries out statistic of classification, described in calculating
Urgency in repair time model repairs duration in place；
According to the wiring region feature and the automatic mode feature, to the fault location duration in the historical data
Statistic of classification is carried out, the fault location duration in the repair time model is calculated；
According to the wiring region feature, statistic of classification carried out to the isolated operation duration in the historical data, described in calculating
Isolated operation duration in repair time model；
According to the wiring region feature and the automatic mode feature, sends a telegram in reply and operate to the upstream in the historical data
Duration carries out statistic of classification, calculates the upstream telegram in reply operation duration in the repair time model；
According to the wiring region feature and the automatic mode feature, power supply behaviour is turned to the downstream in the historical data
Make duration and carry out statistic of classification, the downstream calculated in the repair time model turns powered operation duration；
According to the wiring region feature, to the breakdown gang 5 in the historical data, duration carries out statistic of classification in place, calculates
Breakdown gang 5 in repair time model duration in place；
According to the wiring region feature, the faulty equipment type and the equipment fault reason, to the historical data
In urgency repair materials measurement duration and carry out statistic of classification, the urgency calculated in the repair time model repairs materials measurement duration；
According to the faulty equipment type and the equipment fault reason, when being repaired to the faulty equipment in the historical data
Long to carry out statistic of classification, the faulty equipment calculated in the repair time model repairs duration；
According to the wiring region feature, sends a telegram in reply to whole users in the historical data and operates duration progress statistic of classification,
Calculate whole users telegram in reply operation duration in the repair time model.
5. evaluating reliability of distribution network repair time parameter model method as claimed in claim 4, which is characterized in that described right
Trouble Report duration in the historical data is counted, and the Trouble Report duration in the repair time model is calculated, tool
Body includes:
According to formula (1), fault correction time of the faulty equipment under any one equipment fault reason is calculated；
Wherein, t0Indicate time of failure；t1Expression was sent between working hour；N indicates the Distribution Network Failure extracted in the historical data
Number, T1, iIndicate Trouble Report duration used in distribution i-th failure.
6. evaluating reliability of distribution network repair time parameter model method as claimed in claim 4, which is characterized in that described
According to the wiring region feature, duration in place is repaired to the urgency in the historical data and carries out statistic of classification, when calculating the reparation
Between urgency in model repair duration in place, specifically include:
According to formula (2), the urgency calculated in the repair time model repairs duration in place；
Wherein, t1Expression was sent between working hour；t2It indicates to reach situ time；T2, city、T2, agriculture、T2, partiallyRespectively indicate city, rural area, remote
Urgency under regional three wiring region features repairs duration in place.
7. evaluating reliability of distribution network repair time parameter model method as claimed in claim 4, which is characterized in that described
According to the wiring region feature and the automatic mode feature, the fault location duration in the historical data is divided
Class statistics, calculates the fault location duration in the repair time model, specifically includes:
According to formula (3), the fault location duration in the repair time model is calculated.
Wherein, t2It indicates to reach situ time；t3Indicate fault location time；T3, n, mIt respectively indicates under the n-th class automatic mode
Urgency under the feature of m kind wiring region repairs duration in place, n=A, B, C, the city m=, agriculture, partially.
8. such as the described in any item evaluating reliability of distribution network repair time parameter model methods of claim 4-7, feature exists
In the duration according to each repair time section calculates the repair time dependability parameter of power distribution network, specifically includes:
When repairing duration, fault location duration, isolated operation in place according to Trouble Report duration, the urgency in the repair time model
Duration, urgency repair materials measurement duration in place and faulty equipment repairs duration for long, breakdown gang 5, calculate faulty equipment in any one institute
State the fault correction time under equipment fault reason；
Duration, fault location duration and isolated operation in place are repaired according to Trouble Report duration, the urgency in the repair time model
Duration calculates fault location isolation time；
According to the upstream telegram in reply operation duration in the repair time model, calculates fault point upstream and restore electricity the operating time；
Turn powered operation duration according to the downstream in the repair time model, calculates fault outage interconnection switch switching time；
It is sent a telegram in reply according to whole users and operates duration, calculate load power off time at fault zone；
It is restored electricity the operating time according to the fault location isolation time and the fault point upstream, calculates fault point upstream
Restore electricity region load power off time；
According to the fault location isolation time and the fault outage interconnection switch switching time, calculates trouble point downstream and turn
Power supply area load power off time.
9. a kind of evaluating reliability of distribution network repair time parameter model equipment, which is characterized in that including processor, memory with
And the computer program executed by the processor is stored in the memory and is configured as, described in the processor execution
Realize that evaluating reliability of distribution network repair time parameter as claimed in any of claims 1 to 8 in one of claims is built when computer program
Mould method.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program, wherein equipment where controlling the computer readable storage medium in computer program operation is executed as weighed
Benefit require any one of 1 to 8 described in evaluating reliability of distribution network repair time parameter model method.
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