CN109858767A - Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach - Google Patents
Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach Download PDFInfo
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Abstract
The Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach that the present invention relates to a kind of, its technical characterstic is: the following steps are included: the influence factor of step 1, analysis Intelligent power distribution terminal health degree, constructs intelligent distribution network scheduling controlling effect assessment system；Step 2, the intelligent distribution network scheduling controlling recruitment evaluation index system constructed based on step 1 are solved index weights in conjunction with interval based AHP, establish the intelligent distribution network scheduling controlling recruitment evaluation model based on analytic hierarchy process (AHP)；Step 3 carries out comprehensive assessment to intelligent distribution network dispatching effect.The present invention can provide strong support to distribution terminal health degree quantitative assessment, effectively can provide suggestion and solution to region distribution terminal lean O&M.
Description
Technical field
The invention belongs to power system automation technology fields, are related to Intelligent power distribution terminal health degree appraisal procedure, especially
It is a kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach.
Background technique
With the scales such as new energy, distributed generation resource, micro-capacitance sensor access power distribution network, the intelligence of power distribution network be one must
Right trend.Intelligent power distribution terminal is the intelligentized important component of power distribution network, not only to meet the safe and reliable of user power utilization
Demand will also realize the operational objective of economical and efficient, and can absorb and apply cloud computing, big data, Internet of Things, movement mutual extensively
The advanced technologies such as networking, so that the intelligent distribution network and energy internet for constructing environment close friend provide strong support.
In recent years, international and domestic power grid enterprises are based on itself distribution from the actual conditions of respective operated power grid
Net status is sufficiently tasted using a series of platform intergration technologies such as feeder automation, power distribution automation, Distribution Management Systems
Examination and explore, so as to cause magnanimity distribution terminal equipment application in actual engineering site, bring heavy appoint to O&M
Business amount.
Currently, fixed cycle test mode is generally used for Intelligent power distribution terminal, which does not account for different dresses
The randomness for setting operating status has been difficult to adapt to the requirement of Utilities Electric Co.'s fine-grained management, is unfavorable for the development of maintenance work.Its
Main cause has: on the one hand, since power grid scale constantly expands, Intelligent power distribution terminal is more and more, and State Grid Corporation of China is only
Installation number has reached thousands of in one province area, and the field test of standardization is realized under the conditions of limited manpower very
It is difficult.On the other hand, the working efficiency of traditional artificial field test is low, can not carry out real-time monitoring and fault pre-alarming to device,
It is difficult to the operation troubles for finding to occur between field test twice in time, very big difficulty is caused to maintenance work.
Existing research it is main using intelligent distribution network as its main study subject, focus on intelligent distribution network operation control
System, and how reasonable management etc. is carried out to Intelligent power distribution terminal from the operational management angle of power grid enterprises；About evaluation index
Tax power method in terms of, international and domestic scholar in Deterministic Methods such as analytic hierarchy process (AHP), BP neural network model, entropy assessments, and
Some research has been carried out in terms of the uncertain methods such as section, fuzzy, but particularly for Intelligent power distribution terminal health degree
The research that evaluation and order relation analytic approach combine not yet is related to.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, proposes that a kind of design is reasonable, considers various dimensions, Quan Mianke
The Intelligent power distribution terminal health degree evaluation method based on order relation analytic approach leaned on.
The present invention solves its realistic problem and adopts the following technical solutions to achieve:
A kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach, comprising the following steps:
Step 1, the influence factor for analyzing Intelligent power distribution terminal health degree construct intelligent distribution network scheduling controlling recruitment evaluation
Index system；
Step 2, the intelligent distribution network scheduling controlling recruitment evaluation index system constructed based on step 1, level between combined area
Analytic approach solves index weights, establishes the intelligent distribution network scheduling controlling recruitment evaluation model based on analytic hierarchy process (AHP)；
Step 3 carries out comprehensive assessment to intelligent distribution network dispatching effect.
Moreover, the Intelligent power distribution terminal health degree assessment indicator system M of the step 1 includes following three:
(1) equipment state index M1；
(2) configuration mode index M2；
(3) operating condition index M3；
Wherein, the equipment state index M1 includes: Equipment Foundations index M11, networking detecting state M12, scene temperature
M13, live humidity M14With family defect M15, following calculation formula is respectively adopted:
Equipment Foundations index M11: the index is used to reflect the normal condition of the distant function of Intelligent power distribution terminal three in unit year,
Including telemetering, remote signalling and remote-control data；
Networking detection status indicator M12: the index is used to reflect the function situation that Intelligent power distribution terminal networks when detecting, meter
It is as follows to calculate formula:
In above formula, tnIndicate the default working time of Intelligent power distribution terminal equipment, ttIndicate Intelligent power distribution terminal from factory to
It is formal to network the detection working time；
Scene temperature index M13: the index is used to reflect the actual field running temperature of Intelligent power distribution terminal；
Live humidity index M14: the index is used to reflect the actual field operating humidity of Intelligent power distribution terminal；
Family defect index M15: the index is accounted for for being reflected in statistical time Intelligent power distribution terminal failure quantity and is always thrown
The ratio of destiny amount；Calculation formula is as follows:
In above formula, nsIndicate Intelligent power distribution terminal failure quantity, neIndicate the total input quantity of Intelligent power distribution terminal；
Wherein, the configuration mode index M2It mainly include internationally renowned brand occupation rate M21, intelligent terminal occupation ratio
M22With modular design mode Disposing rate M23, following calculation formula is respectively adopted:
Internationally renowned brand occupation rate M21: refer in regional scope in all Intelligent power distribution terminals, internationally renowned brand
Occupation ratio；Calculation formula is as follows:
In above formula, T1Indicate the sum of distribution terminal famous brand name in regional scope, T2Indicate distribution terminal in regional scope
Sum.
Intelligent terminal occupation ratio M22: intelligent level of the index for Intelligent power distribution terminal within the scope of reflecting regional:
In above formula, L1Indicate the sum of Intelligent power distribution terminal in regional scope, L2Indicate that distribution terminal is total in regional scope
Number.
Modular design mode Disposing rate M23: the index calculates public for reflecting Intelligent power distribution terminal configuration level situation
Formula is as follows:
In above formula, ∑ P indicates the total engineering number of modular design mode in region, and S indicates distribution terminal work in regional scope
Journey sum.
Wherein, the operating condition index M3It mainly include fault section location Validity Index M31, fault section isolation
Validity Index M32, operating status point in the direction of mark M33, remote signalling accuracy M34, remote control accuracy M35And power quality qualification rate
M36, following formula calculation formula is respectively adopted:
Fault section location Validity Index M31: the index is for reflecting main website according to the fault message received and other
The accuracy of system data source positioning failure section；Calculation formula is as follows:
In above formula, lrIndicate the length of physical fault section, llIndicate the length of positioning failure section；
Fault section isolation Validity Index M32: the index is for reflecting what main station system was provided according to fault location result
Fault Isolation section accounts for best Fault Isolation section ratio；Calculation formula is as follows:
In above formula, liIndicate Fault Isolation section length, lbIndicate optimal isolation fault section length.
Operating status points in the direction of mark M33: the index is for reflecting the online rate situation of the operation of distribution terminal；Calculation formula is as follows:
In above formula, NotIndicate the operation terminal quantity of power distribution network, NtIndicate the terminal quantity of power distribution network.
Remote signalling accuracy M34: the index is for reflecting the correct ratio of remote signalling amount during many experiments；Calculation formula is as follows:
In above formula, NcIndicate correct remote signalling amount, NtIndicate whole remote signalling amounts；
It is remotely controlled accuracy M35: the index successfully issues ratio for remote signal during reflecting many experiments；It calculates public
Formula is as follows:
In above formula, NrsIndicate successful remote signal quantity, NraIndicate remote signal total number.
Power quality qualification rate M36: electricity consumption and overall electricity consumption of the index for reflecting voltage in limitation range
Percentage；Calculation formula is as follows:
In above formula, ClIndicate that voltage is limiting the electricity consumption in range, CaIndicate overall electricity consumption.
Moreover, the specific steps that the combination interval based AHP of the step 2 solves index weights include:
(1) expert is selected to give a mark to all Intelligent power distribution terminal health degree indexs:
N number of industry specialists are chosen, the significance level ratio between the index of Intelligent power distribution terminal health degree is judged
Marking, obtains the importance ratio η of adjacent indexk；
(2) according to the importance prioritized of distribution distribution terminal health degree evaluation index:
Assuming that being related to K factor to the evaluation of a things, in order relation analytic approach, according to ηkImportance to K because
Element establishes order relation, it may be assumed that
In above formula, Fk, k=1 ..., K indicate to influence the kth item factor of evaluation,Indicate that the former is higher than importance
The latter；
(3) the tax weight of evaluation index is sought
After order is ranked, according to N number of expert of selection, after carrying out relative importance judgement to each factor, each section scoring
Weight coefficient can be obtained by following formula, to obtain the weighted value of each influence factor:
Moreover, the step 3 method particularly includes: each Intelligent power distribution terminal health degree is evaluated according to the actual situation
Index carry out COMPREHENSIVE CALCULATING and obtain index score value, each index score value is multiplied with tax weight then, and successively sums, obtains
To Intelligent power distribution terminal health degree assessed value F, calculation formula is as follows:
The advantages of the present invention:
1, the invention proposes a kind of Intelligent power distribution terminal health degree evaluation methods based on order relation analytic approach, from equipment
The various dimensions such as state, configuration mode and operating condition construct Intelligent power distribution terminal health degree assessment indicator system, especially needle
, quantitative analysis difficult the features such as more to Intelligent power distribution terminal health degree influence factor, equipment base is paid close attention in terms of equipment state
Plinth index, networking detecting state, family's defect etc. propose internationally renowned brand occupation rate, intelligence eventually in terms of configuration mode
The indexs such as occupation ratio and Typical design methods Disposing rate are held, remote signalling accuracy, remote control are being paid close attention in terms of operating condition just
The true indexs such as rate and power quality qualification rate；By the evaluation of the above core index, distribution terminal health degree quantitative assessment is mentioned
Strong support has been supplied, effectively can provide suggestion and solution to region distribution terminal lean O&M.
2, the present invention proposes a kind of Intelligent power distribution terminal health based on order relation analytic approach from regional scope on the whole
Evaluation method is spent, in view of the subjective weights method such as analytic hierarchy process (AHP), expert graded, comprising excessive expert's subjectivity opinion, and
The more difficult unification of angle and visual angle of intelligent distribution network different field expert, it is possible that the larger situation of weight diversity ratio is assigned,
Therefore the present invention is first ranked up index according to expert estimation, then carries out solving and assigns weight, avoids marking result excessively
It is unilateral, so that index sequence more tallies with the actual situation.
Specific embodiment
The embodiment of the present invention is described in further detail below:
A kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach, comprising the following steps:
Step 1, the influence factor for analyzing Intelligent power distribution terminal health degree, building intelligent distribution network scheduling controlling effect estimate finger
Mark system；
The Intelligent power distribution terminal health degree assessment indicator system M of the step 1 includes following three:
(1) equipment state index M1；
(2) configuration mode index M2；
(3) operating condition index M3；
Wherein, the equipment state index M1 includes: Equipment Foundations index M11, networking detecting state M12, scene temperature
M13, live humidity M14With family defect M15, following calculation formula is respectively adopted:
Equipment Foundations index M11: the index is used to reflect the normal condition of the distant function of Intelligent power distribution terminal three in unit year,
Including telemetering, remote signalling, remote control etc. can read the data from SCADA；
Networking detection status indicator M12: the index is used to reflect function situation when Intelligent power distribution terminal networking detection, can
The auxiliary acquisition of record system is detected to network by power equipment.Calculation formula is as follows:
In above formula, tnIndicate the default working time of Intelligent power distribution terminal equipment, ttIndicate Intelligent power distribution terminal from factory to
It is formal to network the detection working time；
Scene temperature index M13: the index is used to reflect the actual field running temperature of Intelligent power distribution terminal, Ke Yicong
It is obtained in the data of the Temperature and Humidity module at the scene SCADA.
Live humidity index M14: the index is used to reflect the actual field operating humidity of Intelligent power distribution terminal, Ke Yicong
It is obtained in the data of the Temperature and Humidity module at the scene SCADA.
Family defect index M15: the index is for being reflected in statistical time the failure of (a such as season) Intelligent power distribution terminal
Quantity accounts for the ratio by the quantity that always puts into operation；Calculation formula is as follows:
In above formula, nsIndicate Intelligent power distribution terminal failure quantity, neIndicate the total input quantity of Intelligent power distribution terminal.
Wherein, the configuration mode index M2It mainly include internationally renowned brand occupation rate M21, intelligent terminal occupation ratio
M22With modular design mode Disposing rate M23, following calculation formula is respectively adopted:
Internationally renowned brand occupation rate M21: refer in regional scope in all Intelligent power distribution terminals, internationally renowned brand
Occupation ratio；Calculation formula is as follows:
In above formula, T1Indicate the sum of distribution terminal famous brand name in regional scope, T2Indicate distribution terminal in regional scope
Sum.
Intelligent terminal occupation ratio M22: intelligent level of the index for Intelligent power distribution terminal within the scope of reflecting regional,
It is also an important indicator of configuration level.:
Wherein, L1Indicate the sum of Intelligent power distribution terminal in regional scope, L2Indicate distribution terminal sum in regional scope.
Modular design mode Disposing rate M23: the index is for reflecting Intelligent power distribution terminal configuration level situation.Calculation formula
It is as follows:
In above formula, ∑ P indicates the total engineering number of modular design mode in region, and S indicates distribution terminal work in regional scope
Journey sum.
Wherein, the operating condition index M3It mainly include fault section location Validity Index M31, fault section isolation
Validity Index M32, operating status point in the direction of mark M33, remote signalling accuracy M34, remote control accuracy M35And power quality qualification rate
M36, following formula calculation formula is respectively adopted:
Fault section location Validity Index M31: the index is for reflecting main website according to the fault message received and other
The accuracy of system data source positioning failure section.I.e. physical fault section accounts for positioning failure section ratio, which needs
Situations such as excluding switch failure, communication disruption；Calculation formula is as follows:
In above formula, lrIndicate the length of physical fault section, llIndicate the length of positioning failure section.
Fault section isolation Validity Index M32: the index is for reflecting what main station system was provided according to fault location result
Fault Isolation section accounts for best Fault Isolation section ratio.Calculation formula is as follows:
In above formula, liIndicate Fault Isolation section length, lbIndicate optimal isolation fault section length.
Operating status points in the direction of mark M33: the index is for reflecting the online rate situation of the operation of distribution terminal.Calculation formula is as follows:
In above formula, NotIndicate the operation terminal quantity of power distribution network, NtIndicate the terminal quantity of power distribution network.
Remote signalling accuracy M34: the index is for reflecting the correct ratio of remote signalling amount during many experiments.Calculation formula is as follows:
In above formula, NcIndicate correct remote signalling amount, NtIndicate whole remote signalling amounts.
It is remotely controlled accuracy M35: the index successfully issues ratio for remote signal during reflecting many experiments.It calculates public
Formula is as follows:
In above formula, NrsIndicate successful remote signal quantity, NraIndicate remote signal total number.
Power quality qualification rate M36: electricity consumption and overall electricity consumption of the index for reflecting voltage in limitation range
Percentage.Calculation formula is as follows:
In above formula, ClIndicate that voltage is limiting the electricity consumption in range, CaIndicate overall electricity consumption.
Step 2, the intelligent distribution network scheduling controlling recruitment evaluation index system constructed based on step 1, level between combined area
Analytic approach solves index weights, establishes the intelligent distribution network scheduling controlling recruitment evaluation model based on analytic hierarchy process (AHP)；
The specific steps that the combination interval based AHP of the step 2 solves index weights include:
(1) expert is selected to give a mark to all Intelligent power distribution terminal health degree indexs:
N number of industry specialists are chosen, to the significance level ratio between the index of Intelligent power distribution terminal health degree, according to table 1
Judgement marking is carried out, the importance ratio η of adjacent index is obtainedk；
1 adjacent part significance level ratio in judgement method of table
(2) according to the importance prioritized of distribution distribution terminal health degree evaluation index:
Assuming that being related to K factor to the evaluation of a things, in order relation analytic approach, according to ηkImportance to K because
Element establishes order relation, it may be assumed that
In above formula, Fk, k=1 ..., K indicate to influence the kth item factor of evaluation,Indicate that the former is higher than importance
The latter；
(3) the tax weight of evaluation index is sought
After order is ranked, according to N number of expert of selection, after carrying out relative importance judgement to each factor, each section scoring
Weight coefficient can be obtained by following formula, to obtain the weighted value of each influence factor:
Step 3 carries out comprehensive assessment to intelligent distribution network dispatching effect.
The step 3 method particularly includes: according to the actual situation to the finger of each Intelligent power distribution terminal health degree evaluation
Mark carries out COMPREHENSIVE CALCULATING and obtains index score value, then each index score value is multiplied, and successively sum with weight is assigned, obtains intelligence
Energy distribution terminal health degree assessed value F, calculation formula are as follows:
It is emphasized that embodiment of the present invention be it is illustrative, without being restrictive, therefore packet of the present invention
Include and be not limited to embodiment described in specific embodiment, it is all by those skilled in the art according to the technique and scheme of the present invention
The other embodiments obtained, also belong to the scope of protection of the invention.
Claims (4)
1. a kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach, it is characterised in that: including following step
It is rapid:
Step 1, the influence factor for analyzing Intelligent power distribution terminal health degree construct intelligent distribution network scheduling controlling recruitment evaluation index
System；
Step 2, the intelligent distribution network scheduling controlling recruitment evaluation index system constructed based on step 1, step analysis between combined area
Method solves index weights, establishes the intelligent distribution network scheduling controlling recruitment evaluation model based on analytic hierarchy process (AHP)；
Step 3 carries out comprehensive assessment to intelligent distribution network dispatching effect.
2. a kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach according to claim 1,
Be characterized in that: the Intelligent power distribution terminal health degree assessment indicator system M of the step 1 includes following three:
(1) equipment state index M1；
(2) configuration mode index M2；
(3) operating condition index M3；
Wherein, the equipment state index M1 includes: Equipment Foundations index M11, networking detecting state M12, scene temperature M13, it is existing
Field humidity M14With family defect M15, following calculation formula is respectively adopted:
Equipment Foundations index M11: the index is used to reflect the normal condition of the distant function of Intelligent power distribution terminal three in unit year, including
Telemetering, remote signalling and remote-control data；
Networking detection status indicator M12: the index is used to reflect the function situation that Intelligent power distribution terminal networks when detecting, calculate public
Formula is as follows:
In above formula, tnIndicate the default working time of Intelligent power distribution terminal equipment, ttIndicate Intelligent power distribution terminal from factory to formal
It networks the detection working time；
Scene temperature index M13: the index is used to reflect the actual field running temperature of Intelligent power distribution terminal；
Live humidity index M14: the index is used to reflect the actual field operating humidity of Intelligent power distribution terminal；
Family defect index M15: the index is accounted for for being reflected in Intelligent power distribution terminal failure quantity in statistical time by the number that always puts into operation
The ratio of amount；Calculation formula is as follows:
In above formula, nsIndicate Intelligent power distribution terminal failure quantity, neIndicate the total input quantity of Intelligent power distribution terminal；
Wherein, the configuration mode index M2It mainly include internationally renowned brand occupation rate M21, intelligent terminal occupation ratio M22With
Modular design mode Disposing rate M23, following calculation formula is respectively adopted:
Internationally renowned brand occupation rate M21: refer to that in regional scope in all Intelligent power distribution terminals, internationally renowned brand is occupied
Ratio；Calculation formula is as follows:
In above formula, T1Indicate the sum of distribution terminal famous brand name in regional scope, T2Indicate that distribution terminal is total in regional scope
Number；
Intelligent terminal occupation ratio M22: intelligent level of the index for Intelligent power distribution terminal within the scope of reflecting regional:
In above formula, L1Indicate the sum of Intelligent power distribution terminal in regional scope, L2Indicate distribution terminal sum in regional scope；
Modular design mode Disposing rate M23: the index is for reflecting Intelligent power distribution terminal configuration level situation, and calculation formula is such as
Under:
In above formula, ∑ P indicates the total engineering number of modular design mode in region, and S indicates that distribution terminal engineering is total in regional scope
Number；
Wherein, the operating condition index M3It mainly include fault section location Validity Index M31, fault section isolation it is effective
Property index M32, operating status point in the direction of mark M33, remote signalling accuracy M34, remote control accuracy M35And power quality qualification rate M36, point
It Cai Yong following formula calculation formula:
Fault section location Validity Index M31: the index is for reflecting main website according to the fault message and other systems received
The accuracy of data source positioning failure section；Calculation formula is as follows:
In above formula, lrIndicate the length of physical fault section, llIndicate the length of positioning failure section；
Fault section isolation Validity Index M32: the index is for reflecting the failure that main station system is provided according to fault location result
Isolation section accounts for best Fault Isolation section ratio；Calculation formula is as follows:
In above formula, liIndicate Fault Isolation section length, lbIndicate optimal isolation fault section length；
Operating status points in the direction of mark M33: the index is for reflecting the online rate situation of the operation of distribution terminal；Calculation formula is as follows:
In above formula, NotIndicate the operation terminal quantity of power distribution network, NtIndicate the terminal quantity of power distribution network；
Remote signalling accuracy M34: the index is for reflecting the correct ratio of remote signalling amount during many experiments；Calculation formula is as follows:
In above formula, NcIndicate correct remote signalling amount, NtIndicate whole remote signalling amounts；
It is remotely controlled accuracy M35: the index successfully issues ratio for remote signal during reflecting many experiments；Calculation formula is such as
Under:
In above formula, NrsIndicate successful remote signal quantity, NraIndicate remote signal total number；
Power quality qualification rate M36: the percentage of electricity consumption and overall electricity consumption of the index for reflecting voltage in limitation range
Than；Calculation formula is as follows:
In above formula, ClIndicate that voltage is limiting the electricity consumption in range, CaIndicate overall electricity consumption.
3. a kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach according to claim 1,
Be characterized in that: the specific steps that the combination interval based AHP of the step 2 solves index weights include:
(1) expert is selected to give a mark to all Intelligent power distribution terminal health degree indexs:
N number of industry specialists are chosen, judgement marking is carried out to the significance level ratio between the index of Intelligent power distribution terminal health degree,
Obtain the importance ratio η of adjacent indexk；
(2) according to the importance prioritized of distribution distribution terminal health degree evaluation index:
Assuming that being related to K factor to the evaluation of a things, in order relation analytic approach, according to ηkImportance establishes K factor
Order relation, it may be assumed that
F1> F2> ... > FK
In above formula, Fk, k=1 ..., K indicate to influence the kth item factor of evaluation, Fk-1> FkIndicate that the former is higher than the latter at importance；
(3) the tax weight of evaluation index is sought
After order is ranked, according to N number of expert of selection, after carrying out relative importance judgement to each factor, the power of each section scoring
Value coefficient can be obtained by following formula, to obtain the weighted value of each influence factor:
。
4. a kind of Intelligent power distribution terminal health degree appraisal procedure based on order relation analytic approach according to claim 1,
It is characterized in that: the step 3 method particularly includes: according to the actual situation to the finger of each Intelligent power distribution terminal health degree evaluation
Mark carries out COMPREHENSIVE CALCULATING and obtains index score value, then each index score value is multiplied, and successively sum with weight is assigned, obtains intelligence
Energy distribution terminal health degree assessed value F, calculation formula are as follows:
。
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Application publication date: 20190607 |