CN108470256A - Transprovincially transregional reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method and system - Google Patents
Transprovincially transregional reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method and system Download PDFInfo
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Abstract
The present invention relates to a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially and systems, including the following contents：1) certain transregional reinforcement passway for transmitting electricity engineering actual motion electric power data transprovincially of acquisition needs assessment；2) the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition；3) the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition；4) the transregional project for transprovincially reinforcing passway for transmitting electricity engineering is evaluated safely according to the electric power data of acquisition；5) project efficiency, program result and project safety are considered, to the transregional operational effect overall merit for reinforcing passway for transmitting electricity electricity power engineering transprovincially.The present invention can be widely applied in transregional reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation procedure transprovincially.
Description
Technical field
The present invention relates to a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially and systems, relate to
And electrical grid transmission technical field.
Background technology
Currently, it is functional for institute usually to have two class methods, one kind for the evaluation of electricity power engineering project operation benefit
The electricity power engineering project of type carries out on-road efficiency evaluation using same set of index system.Since project of transmitting and converting electricity is in power grid
The function that undertakes is different, and evaluation index and evaluation criterion should all give priority to and different, such as：Ferroelectric power supply engineering pair
It is higher in security requirement, and the requirement for load factor is relatively low, meets requirement of the power demand engineering for load factor
It is higher, all engineerings are evaluated using unified index and standard, have ignored the functional attributes feature of project, it can not be thus
The follow-up construction offer of class engineering targetedly suggests that such evaluation method cannot fully reflect the basic goal of project construction
Whether realize；Another kind of is that electricity power engineering project is divided into common network engineering, special project of transmitting and converting electricity and networking project, from
The space of engineering and physical layer divide its effect in power grid and set out, and different evaluations, which is set separately, to each engineering refers to
Mark carries out project operation benefit evaluation, and this kind of evaluation method granularity is thicker, does not fully consider that engineering is mainly made in power grid
With, cause evaluation result to deviate from the main problem that engineering construction to be solved, it cannot be to the operation and construction of such engineering from now on
It offers reference.In addition, the index involved in above two method does not set evaluation criterion, evaluation procedure is subjective.It is comprehensive
Upper described, there has been no researchs so far from the different angle of engineering project system function, targetedly adds to transregional transprovincially
Strong passway for transmitting electricity electricity power engineering builds appraisement system, proposes evaluation index, explicit evaluation standard.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide it is a kind of can be from the different angle of engineering system function to power grid
Engineering carries out the reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially and system of accurate evaluation.
To achieve the above object, the present invention takes following technical scheme：
The first aspect, the present invention provide a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation side transregional transprovincially
Method, including the following contents：
Acquire the transregional electric power data for transprovincially reinforcing passway for transmitting electricity engineering actual motion to be evaluated；
The transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition,
In, project efficiency evaluation index includes that newly-increased number of, lines system accounting, newly-increased line length system accounting and grid structure are excellent
Change；
The transregional program result for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition,
In, effectiveness evaluation of project index includes engineering transformer maximum load rate, the Rate of average load of engineering transformer, circuit maximum
Load factor, overhead transmission line loss, saves discontinuity surface effective power flow peak value, saves the practical effective power flow of discontinuity surface circuit Rate of average load
Mean value, peak load moment power factor and minimum load moment power factor；
The transregional project for transprovincially reinforcing passway for transmitting electricity engineering is evaluated safely according to the electric power data of acquisition,
In, the evaluation index of project safety include circuit availability, busbar voltage qualification rate, power grid safety accident frequency, after
Electric protection and stability control equipment malfunction and tripping number, to circuit unplanned outage hourage, the circuit unplanned outage frequency and right
Line tripping rate；
According to project efficiency, the evaluation result of program result and project safety, to transregional reinforcement passway for transmitting electricity power grid transprovincially
The on-road efficiency of engineering carries out overall merit.
Further, the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering is carried out according to the electric power data of acquisition
Evaluation, specific evaluation procedure are：
It calculates and increases number of, lines system accounting K newlyl1：Kl1=Cl/ΣCl, in formula, Σ ClIt is system before putting into operation with voltage etc.
Grade number of, lines, ClNumber of, lines is increased newly for this engineering, according to Kl1Evaluation engineering importance, evaluation result are denoted as D11；
It calculates and increases the proportion K that line length accounts for system line total length newlyl2：Kl2=Ll/∑Ll, in formula, Σ LlTo put into operation
Preceding system is the same as voltage class line length, LlLine length is increased newly for this engineering, according to Kl2Evaluation engineering importance, evaluation knot
Fruit is denoted as D12；
Compare project planning and year of putting into operation corresponding grid structure, is evaluated according to the state change situation of grid structure
The effect that engineering reinforces system passway for transmitting electricity, evaluation result are denoted as D13；
D is calculated according to the above results1：D1=a11D11+a12D12+a13D13, according to D1The engineering construction is evaluated for reinforcing
Whether channel ability to transmit electricity effect is notable, in formula, a11、a12、a13Respectively newly-increased number of, lines system accounting, newly-increased circuit are long
The weight of degree system accounting and grid structure optimizing index in efficiency evaluation, a11+a12+a13=1.
Further, the state of the grid structure includes：Contact is shape between contact is state 1 between single Hui Sheng, double back saves
Contact is state 3 between state 2, more Hui Sheng.
Further, the work that the state change situation evaluation engineering according to grid structure reinforces system passway for transmitting electricity
With, including：When corresponding rack becomes state 3 from state 1, it is believed that the effect that engineering reinforces system passway for transmitting electricity is important；
When corresponding rack is become state 2 or is become state 3 from state 2 from state 1, it is believed that engineering transmits electricity to system
The effect that channel is reinforced is more important；
When the state of corresponding rack does not change, it is believed that the effect that engineering reinforces system passway for transmitting electricity is generally important.
Further, the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering is carried out according to the electric power data of acquisition
Evaluation specific evaluation procedure be：
Calculate engineering transformer maximum load rate μmax,t：μmax,t=Pmax,t/St, in formula, μmax,tIt is negative for transformer maximum
Load rate；Pmax,tFor the peak load that transformer occurs, StFor transformer rated capacity, transformer puts into operation after preset time, according to
Interval assessment engineering operation effect, evaluation result residing for maximum load rate are denoted as D21, it is pre- according to whether engineering operation effect reaches
Phase is to D21Value be configured；
Calculate the Rate of average load μ of engineering transformeravg,t：μavg,t=Pavg,t/St, in formula, μavg,tIt is averagely negative for transformer
Load rate；Pavg,tFor transformer annual load, StFor transformer rated capacity, transformer puts into operation the setting time limit time, according to change
Interval assessment engineering operation effect, evaluation result residing for the Rate of average load of depressor are denoted as D22, according to engineering operation effect whether
It reaches expected to D22Value be configured；
Calculate circuit maximum load rate μmax,1：μmax,1=Pmax,1/S1, in formula, μmax,1For circuit maximum load rate；Pmax,l
For the peak load that circuit occurs, SlFor circuit rated capacity, circuit puts into operation after the setting time limit, according to circuit maximum load rate
Residing interval assessment engineering operation effect, evaluation result are denoted as D23, whether reached according to engineering operation effect expected to D23's
Value is configured；
Calculate circuit Rate of average load μavg,1：μavg,1=Pavg,1/S1, in formula, μavg,1For circuit Rate of average load；Pavg,l
For circuit annual load；SlFor circuit rated capacity circuit；It puts into operation after setting the time limit, according to circuit Rate of average load percentage
Engineering operation effect is evaluated in section, and evaluation result is denoted as D24, whether reached according to engineering operation effect expected to D24
Value be configured；
It calculates overhead line path loss and consumes Ql,l：Ql.l=Qin-Qout, in formula, QinElectricity, Q are inputted for transformeroutFor transformer
Electricity is exported, engineering operation effect is evaluated according to overhead transmission line loss, evaluation result is denoted as D25, according to engineering operation
Whether effect reaches expected to D25Value be configured；
It obtains and saves discontinuity surface effective power flow peak value Pmax, according to save discontinuity surface effective power flow peak value to engineering operation effect into
Row evaluation, evaluation result are denoted as D26, whether reached according to engineering operation effect expected to D26Value be configured；
It calculates and saves the practical effective power flow mean value P of discontinuity surfaceavg：Pavg=Q/8760 is calculated, P in year according to putting into operationavgBetween province
The practical effective power flow mean value of section, Q are to save to exchange electricity in discontinuity surface year, are carried out according to the practical effective power flow mean value of discontinuity surface is saved
Engineering operation effect assessment, evaluation result are denoted as D27, whether reached according to engineering operation effect expected to D27Value set
It sets；
Calculate peak load moment power factor
In formula, S is the apparent energy of peak load moment equipment conveying, and P is the active of peak load moment equipment conveying
Power, Q are the reactive power of peak load moment equipment conveying, and engineering operation is carried out according to peak load moment power factor
Effect assessment, evaluation result are denoted as D28, whether reached according to engineering operation effect expected to D28Value be configured；
Calculate minimum load moment power factor
In formula, S is the apparent energy of minimum load moment equipment conveying, and P is the active of minimum load moment equipment conveying
Power, Q are the reactive power of minimum load moment equipment conveying, and engineering operation is carried out according to minimum load moment power factor
Effect assessment, evaluation result are denoted as D29, whether reached according to engineering operation effect expected to D29Value be configured；
D is calculated according to These parameters2, according to D2Engineering effort evaluation is carried out with the comparison result of predetermined threshold value： D2=
a21D21+a22D22+a23D23+a24D24+a25D25+a26D26+a27D27+a28D28+a29D29, wherein a21、a22、 a23、a24、a25、a26、
a27、a28、a29Respectively engineering transformer maximum load rate, the Rate of average load of engineering transformer, circuit maximum load rate, line
Road Rate of average load, overhead transmission line loss save discontinuity surface effective power flow peak value, save the practical effective power flow mean value of discontinuity surface, maximum
The weight of load moment power factor and minimum load moment power factor in efficiency evaluation, a21+a22+a23+a24+a25+a26
+a27+a28+a29=1.
Further, the transregional project for transprovincially reinforcing passway for transmitting electricity engineering is carried out safely according to the electric power data of acquisition
Evaluation specific evaluation procedure be：
Calculate circuit availability AL：
In formula, u is forced outage rate, TrFor failure mean repair time, TΣAAdd up time between failures, T for equipmentΣ
It puts into operation the time, engineering safety reliability is evaluated according to circuit availability, evaluation result D to be accumulative31It indicates, according to
Engineering safety reliability standard is to D31Value is determined；
Calculating project busbar A phase voltage qualification rates ηA：ηA(%)=(1-Tb/TΣ) * 100%, in formula, ηAFor project busbar
A phase voltage qualification rates, TbFor voltage out-of-limit cumulative time, TΣFor project total operating statistic time, closed according to busbar A phase voltages
Lattice rate evaluates engineering safety reliability, and evaluation result is denoted as D32, according to engineering safety reliability standard to D32Be worth into
Row determines；
Count power grid safety accident frequency Ja, according to power grid safety accident frequency, to engineering safety reliability
It is evaluated, evaluation result is denoted as D33, according to engineering safety reliability standard to D33Value is determined；
Inside calculating project relay protection and stability control equipment or caused by engineering puts into operation in power grid other positions it is stable
The malfunction of device generation, tripping number JJ, can to engineering safety according to relay protection and stability control equipment malfunction and tripping number
It is evaluated by property, evaluation result is denoted as D34, according to engineering safety reliability standard to D34Value is determined；
Obtain circuit unplanned outage hourage ∑ Td.l, reliable to engineering safety according to circuit unplanned outage hourage
Property is evaluated, and evaluation result is denoted as D35, according to engineering safety reliability standard to D35Value is determined；
Count circuit unplanned outage frequency fl, engineering safety reliability is commented according to the circuit unplanned outage frequency
Valence, evaluation result are denoted as D36, according to engineering safety reliability standard to D36Value is determined；
Calculate the trip-out rate caused by circuit runs external environment or Insulation Problems：λ=M/T, in formula, λ is non-of circuit
Because of trip-out rate, during M is statistics, the non-total degree that trips caused by circuit self-capacity or Insulation Problems, when T is evaluation
Between, engineering safety reliability is evaluated according to line tripping rate, evaluation result is denoted as D37, according to engineering safety reliability
Degree is to D37Value is determined；
Engineering safety evaluation, evaluation result D are carried out according to These parameters3It indicates： D3=a31D31+a32D32+a33D33+
a34D34+a35D35+a36D36+a37D37, wherein a31、a32、a33、a34、a35、 a36、a37Respectively circuit availability, busbar voltage
Qualification rate, power grid safety accident frequency, relay protection and stability control equipment malfunction and tripping number unplanned to circuit stop
Transport hourage, the circuit unplanned outage frequency and the weight to line tripping rate in efficiency evaluation, a31+a32+a33+a34+a35
+a36+a37=1；According to D3It is whether qualified that the engineering safety reliability is evaluated with the comparison result of preset value.
Further, defeated to transregional reinforcement transprovincially according to project efficiency, the evaluation result of program result and project safety
The operational effect overall merit of electric channel electricity power engineering, detailed process are：
1) operational effect overall merit numerical value is calculated, the calculation formula of operational effect overall merit is：
D=a1D1+a2D2+a3D3
Wherein, a1、a2、a3Respectively project efficiency D1, program result D2, the safe D of project3Weight, a1+a2+a3=1；
2) when D ＜ set minimum threshold, it is believed that the engineering is whole as transregional reinforcement passway for transmitting electricity electricity power engineering transprovincially
Operational effect is poor；
When setting minimum threshold≤D ＜ setting max-thresholds, it is believed that the engineering is as transregional reinforcement passway for transmitting electricity transprovincially
Electricity power engineering overall operation effect is good；
When D >=setting max-thresholds, it is believed that the engineering is integrally transported as transregional reinforcement passway for transmitting electricity electricity power engineering transprovincially
Row works well.
Further, a1、a2、a3It is solved with reference to the weight that the subjective and objective weight of comparison method combines using index classification
Algorithm is solved to obtain.
Further, before calculating operational effect overall merit numerical value D, further comprise：
Determine D1、D2、D3Evaluation approach domain；
For efficiency D1Evaluation determines that evaluation approach domain is d1={ d11,d12,d13, wherein d11Represent important, d12Generation
Table is generally important, d13It represents inessential；
For effect D2Evaluation determines that domain is d2={ d21,d22, wherein d21Represent meet demand, d22It represents discontented
Sufficient demand；
For safe D3Evaluation determines that domain is d3={ d31,d32, wherein d31Represent qualification, d32It represents unqualified；
Above-mentioned qualitative evaluation is converted into numerical value.
The second aspect, the present invention provide a kind of transregional reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation system transprovincially
System, including：
Data acquisition for acquiring the transregional electric power data for transprovincially reinforcing passway for transmitting electricity engineering actual motion to be evaluated
Module；
For being evaluated the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Project efficiency evaluation module, wherein project efficiency evaluation index includes that newly-increased number of, lines system accounting, newly-increased circuit are long
Degree system accounting and grid structure optimization；
For being evaluated the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Effectiveness evaluation of project module, wherein effectiveness evaluation of project index includes engineering transformer maximum load rate, engineering transformer
Rate of average load, circuit maximum load rate, circuit Rate of average load, overhead transmission line loss, save discontinuity surface effective power flow peak
Value saves the practical effective power flow mean value of discontinuity surface, peak load moment power factor and minimum load moment power factor；
For being evaluated safely the transregional project for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Project safety evaluation module, wherein the evaluation index of project safety includes circuit availability, busbar voltage qualification rate, electricity
Net safety accident frequency, relay protection and stability control equipment malfunction and tripping number, to circuit unplanned outage hourage,
The circuit unplanned outage frequency and to line tripping rate；
For the evaluation result according to project efficiency, program result and project safety, to transregional reinforcement passway for transmitting electricity transprovincially
The on-road efficiency of electricity power engineering carries out the overall merit module of overall merit.
The invention adopts the above technical scheme, which has the following advantages：
1, the angle that the present invention is positioned from engineering project system function is proposed for transregional reinforcement passway for transmitting electricity transprovincially
The on-road efficiency evaluation method of electricity power engineering solves the problems, such as to be difficult to evaluate after this kind of engineering puts into operation.
2, the present invention establishes transregional reinforcement passway for transmitting electricity electricity power engineering fortune transprovincially from three efficiency, effect, safety dimensions
Row evaluation index can directly reflect maximum effect and actually play a role that new construction project can play in power grid, instead
Contribution in terms of reflecting engineering for reinforcing passway for transmitting electricity.
3, the present invention proposes the evaluation being consistent with engineering construction original intention for transregional reinforcement passway for transmitting electricity electricity power engineering transprovincially
Index so that evaluation result can really reflect whether the actual motion benefit of engineering meets construction demand, avoid in evaluation
Hold comprehensive but not strong specific aim problem.
4, the weight derivation algorithm that the present invention is combined using the subjective and objective weight based on ICRC, for determining combining assessment
The weight of subjective and objective influence factor assembles calculating process in index, can solve analytic hierarchy process (AHP) and make in practice using normal
Accurate weighted value under multiple index evaluation situation is realized in often limited multistage dimension constraint.
5, evaluation index of the present invention is with strong points, and evaluation criterion is clear, Weight Determination science, and evaluation result is direct
Act on the operational management from now on of this electricity power engineering work, to from now on transprovincially it is transregional reinforce passway for transmitting electricity electricity power engineering construction pipe
Reason has important guiding effect.
Description of the drawings
Fig. 1 is the reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method flow diagram transregional transprovincially of the present invention；
Fig. 2 is the weight derivation algorithm flow of the present invention combined with reference to the subjective and objective weight of comparison method based on index classification
Schematic diagram.
Specific implementation mode
Come to carry out detailed description to the present invention below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
The present invention imitates the transregional operation for reinforcing passway for transmitting electricity electricity power engineering transprovincially from three efficiency, effect, safety dimensions
Fruit is evaluated.
Efficiency：The setting of efficiency evaluation index is intended to embody after engineering puts into operation, in the network system where the engineering, work
The maximum effect that Cheng Jiaqiang passways for transmitting electricity can play, evaluation result emphasis are directed toward the construction of engineering for reinforcing channel transmission of electricity
Ability it is whether notable.
Effect：The setting of Indexes of Evaluation Effect is intended to during embodying engineering operation, actual operating condition, evaluation knot
Fruit emphasis is directed toward operating in for engineering and reinforces whether the practical function that transmission of electricity aspect in channel plays meets construction demand.
Safety：The target setting of safety evaluation, which is intended to embody, is used as public infrastructure, and engineering is in safety, reliability
Etc. the case where, whether the security reliability that evaluation result emphasis is directed toward engineering meets the basic demand of electricity power engineering.
Embodiment 1
As shown in Figure 1, reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially proposed by the present invention,
Including the following contents：
1, certain transregional reinforcement passway for transmitting electricity engineering actual motion electric power data transprovincially of acquisition needs assessment.
2, the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition, item
Mesh efficiency evaluation index includes that newly-increased number of, lines system accounting, newly-increased line length system accounting and grid structure optimize, often
One evaluation index is to the specific evaluation procedure of project efficiency：
1) number of, lines system accounting is increased newly
It calculates and increases the accounting K that number of, lines accounts for system line quantity newlyl1, evaluate this engineering and increase number of, lines newly to place system
The contributing effect of system.
Kl1=Cl/ΣCl
In formula, Σ ClIt is system before putting into operation with voltage class number of, lines, ClNumber of, lines is increased newly for this engineering.To Kl1It presses
Percentage value section carries out engineering Assessment of Important, and evaluation result is denoted as D11.Work as Kl1When more than 10%, it is believed that engineering is important, D11
=100；Work as Kl1Between 5%~10%, it is believed that engineering is more important, D11=80；Work as Kl1Between 3%~5%, it is believed that one
As important, D11=60；Work as Kl1When less than 3%, it is believed that engineering is not too important, D11=40.
2) line length system accounting is increased newly
It calculates and increases the proportion K that line length accounts for system line total length newlyl2, evaluate this engineering and increase line length newly to place
The contributing effect of system.
Kl2=Ll/∑Ll
In formula, Σ LlIt is system before putting into operation with voltage class line length, LlLine length is increased newly for this engineering.To Kl2It presses
Percentage value section carries out engineering Assessment of Important, and evaluation result is denoted as D12.Work as Kl2When more than 10%, it is believed that engineering is important, D12
=100；Work as Kl2Between 5%~10%, it is believed that engineering is more important, D12=80；Work as Kl2Between 3%-5%, it is believed that one
As important, D12=60；Work as Kl2When less than 3%, it is believed that engineering is not too important, D12=40.
3) grid structure optimizes
Compare project planning and year of putting into operation corresponding grid structure, grid structure type are shown in Table 1：
Year grid structure complete or collected works' table is planned/put into operation to table 1
Engineering puts into operation current year, since engineering puts into operation, when corresponding rack becomes state 3 from state 1, it is believed that engineering is to being
The effect that passway for transmitting electricity is reinforced of uniting is important, evaluation result D13=100；When corresponding rack from state 1 becomes state 2 or by state 2
When becoming state 3, it is believed that the effect that engineering reinforces system passway for transmitting electricity is more important, D13=80；When corresponding rack is by state
When constant, it is believed that engineering is generally important to system passway for transmitting electricity reinforcement ability, D13=60.
4) determination of engineering efficiency evaluation index weights
The present invention carries out determining for index weights and refers to comparison method (ICRC Index using based on index classification
Classification and Reference Comparation) subjective and objective weight combinational algorithm solved, can be with
Determine a11、a12And a13Weighted value, wherein a11、a12、a13Respectively newly-increased number of, lines system accounting, newly-increased line length
System accounting and grid structure optimize weight of 3 indexs in efficiency evaluation, and a11+a12+a13=1.
Evaluate whether the engineering construction is notable for reinforcing channel ability to transmit electricity effect, and evaluation is tied according to efficiency result of calculation
Fruit D1It indicates：
D1=a11D11+a12D12+a13D13
As evaluation result D1When >=80, it is believed that the construction of the engineering is notable for the ability for reinforcing channel transmission of electricity；Work as evaluation
As a result 60≤D1When ＜ 80, it is believed that the construction of the engineering is general for the ability for reinforcing channel transmission of electricity；As evaluation result D1＜ 60
When, it is believed that the construction of the engineering is poor for the ability for reinforcing channel transmission of electricity.
3, the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition, item
Mesh Indexes of Evaluation Effect includes engineering transformer maximum load rate, the Rate of average load of engineering transformer, circuit maximum load
Rate, circuit Rate of average load, overhead transmission line loss, province's discontinuity surface effective power flow peak value, province's practical effective power flow of discontinuity surface are equal
Value, peak load moment power factor and minimum load moment power factor, each evaluation index comment the specific of program result
Valence process is：
1) engineering transformer maximum load rate
Calculate engineering transformer maximum load rate μmax,t, the maximum load situation of evaluation engineering transformer.
μmax,t=Pmax,t/St
In formula, Pmax,tFor the peak load that transformer occurs, unit MW；StFor transformer rated capacity, unit MVA.
After transformer puts into operation 1 year, according to maximum load rate percentage interval assessment engineering operation effect, evaluation result is denoted as
D21.Work as μmax,tWhen more than 40%, it is believed that engineering transformer maximum load situation realizes the object of planning, main transformer capacity selection substantially
Rationally, engineering operation effect meets the expected requirements, D21=100；Otherwise expected requirement, D are not reached21=50.
2) Rate of average load of engineering transformer
Calculate the Rate of average load μ of engineering transformeravg,t, the average load situation of evaluation engineering transformer.
μavg,t=Pavg,t/St
In formula, μavg,tFor transformer Rate of average load；Pavg,tFor transformer annual load, unit MW；StFor transformer
Rated capacity, unit MVA.After transformer puts into operation 1 year, according to the Rate of average load percentage interval assessment engineering operation of transformer
Effect, evaluation result are denoted as D22.Work as μavg,tWhen more than or equal to 50%, it is believed that engineering transformer is heavily loaded for a long time, and operational effect is equal
Expected requirement, D are not met22=50；Work as μavg,tBetween 25%~50%, it is believed that engineering transformer load situation is reasonable,
Engineering operation effect meets the expected requirements, D22=100；Work as μavg,tWhen less than or equal to 25%, it is believed that engineering transformer is lightly loaded, fortune
Row effect does not meet expected requirement, D22=50.
3) circuit maximum load rate
Calculate circuit maximum load rate μmax,1, the maximum load situation of evaluation engineering circuit.
μmax,1=Pmax,1/S1
In formula, μmax,1For circuit maximum load rate；Pmax,lFor the peak load that circuit occurs, unit MW；SlFor circuit volume
Constant volume, unit MVA.After circuit puts into operation 1 year, according to circuit maximum load rate percentage interval assessment engineering operation effect, comment
Valence result is denoted as D23.Work as μmax,1More than area power grid with voltage class circuit maximum load rate mean value 60% when, it is believed that work
Journey circuit maximum load situation realizes that the object of planning, circuit type selecting are reasonable substantially, it is believed that engineering operation effect meets expection and wants
It asks, D23=100；It is on the contrary, it is believed that engineering operation effect does not meet expected requirement, D23=50.
4) circuit Rate of average load
Calculate circuit Rate of average load μavg,1, the average load situation of evaluation engineering circuit.
μavg,1=Pavg,1/S1
In formula, μavg,1For circuit Rate of average load；Pavg,lFor circuit annual load；SlFor circuit rated capacity.Circuit
After putting into operation 1 year, engineering operation effect is evaluated according to circuit Rate of average load percentage section, evaluation result is denoted as D24。
Work as μavg,lMore than area power grid with voltage class circuit Rate of average load mean value 60% when, it is believed that engineering circuit maximum load
Situation realizes that the object of planning, circuit type selecting are reasonable substantially, it is believed that engineering operation effect meets the expected requirements, D24=100；Conversely,
Think that engineering operation effect does not meet expected requirement, D24=50.
5) overhead transmission line is lost
It calculates overhead line path loss and consumes Ql,l, the reasonability of evaluation overhead transmission line loss.
Ql.l=Qin-Qout
In formula, Ql,lUnit MWh；QinElectricity, unit MWh are inputted for transformer；QoutElectricity, unit are exported for transformer
MWh.Engineering operation effect is evaluated according to overhead transmission line loss, evaluation result is denoted as D25.Work as Ql,lLess than or equal to same electricity
When pressing grade overhead transmission line average loss, it is believed that overhead transmission line loss is reasonable, and engineering operation effect meets the expected requirements, D25=
100；Work as Ql,lWhen more than same voltage class overhead transmission line average loss, it is believed that overhead transmission line loss is serious, engineering operation effect
Expected requirement, D are not met25=50.
6) discontinuity surface effective power flow peak value is saved
Save discontinuity surface effective power flow peak value Pmax, evaluate under the power grid normal operation of interacted system both ends, between engineering saves
Exchange of electric power ability, unit MW.This index is directly provided without calculating by engineering actual operating data.
Engineering operation effect is evaluated according to discontinuity surface effective power flow peak value is saved, evaluation result is denoted as D26.Work as PmaxGreatly
In equal to the 40% of circuit rated capacity, it is believed that exchange of electric power ability is notable between engineering saves, and engineering operation effect meets expection and wants
It asks, evaluation result D26=100；Work as PmaxLess than circuit rated capacity 40% when, it is believed that engineering save between exchange of electric power ability compared with
Difference, engineering operation effect do not meet expected requirement, D26=50.
7) the practical effective power flow mean value of discontinuity surface is saved
It calculates and saves the practical effective power flow mean value P of discontinuity surfaceavg, the practical function of evaluation province discontinuity surface Change Power.
Pavg=Q/8760
It is calculated in year according to putting into operation, PavgTo save the practical effective power flow mean value of discontinuity surface, unit MW；Q is to save to hand in discontinuity surface year
Change electricity (cumulative by absolute value), unit MWh.Engineering operation effect is carried out according to the practical effective power flow mean value of discontinuity surface is saved
Evaluation, evaluation result are denoted as D27.Work as PavgWhen effective power flow mean value practical more than or equal to the existing channel of two provinces, it is believed that the engineering saves
Between electricity shunting function it is notable, engineering operation effect meets the expected requirements, D27=100；Work as PavgIt is real to have channel less than two provinces
When the effective power flow mean value of border, it is believed that engineering lays particular emphasis on safety guarantee, emergent support effect, and engineering operation effect does not meet expection
It is required that D27=50.
8) peak load moment power factor
Calculate peak load moment power factorWhether the configuration of assessment item capacitive reactive power is enough：
In formula, S is the apparent energy of peak load moment equipment conveying, and unit MVA, P are peak load moment equipment
The active power of conveying, unit MW, Q are the reactive power of peak load moment equipment conveying, unit MVar.
Engineering operation effect assessment is carried out according to peak load moment power factor, evaluation result is denoted as D28.When
When more than or equal to 0.95, it is believed that the configuration of project capacitive reactive power is enough, and to reducing grid loss, the contribution for improving power quality is aobvious
It writes, engineering operation effect meets the expected requirements, D28=100；WhenWhen less than 0.95, it is believed that project capacitive reactive power configures
Or practical input is not enough, does not meet regulatory requirements, engineering operation effect does not meet expected requirement, D28=50.
9) minimum load moment power factor
Calculate minimum load moment power factorWhether the configuration of assessment item inductive reactive power is enough：
In formula, S is the apparent energy of minimum load moment equipment conveying, and unit MVA, P are minimum load moment equipment
The active power of conveying, unit MW, Q are the reactive power of minimum load moment equipment conveying, unit MVar.
Engineering operation effect assessment is carried out according to minimum load moment power factor, evaluation result is denoted as D29, when
When between 0.92 and 0.95, it is believed that the configuration of project inductive reactive power is reasonable, and operation switching is timely, and engineering operation effect meets
It is expected that requiring, D29=100；WhenWhen less than 0.92 or more than 0.95, it is believed that project reactive power compensator configuration capacity
Unreasonable or switching not in time, does not meet regulatory requirements, and engineering operation effect does not meet expected requirement, D29=50.
10) determination of effectiveness evaluation of project index weights
The determination that the present invention carries out index weights is asked using the weight derivation algorithm that the subjective and objective weight of ICRC combines
Solution, it may be determined that a21、a22、a23、a24、a25、a26、a27、a28、a29Weighted value, wherein a21、a22、 a23、a24、a25、a26、
a27、a28、a29Respectively engineering transformer maximum load rate, the Rate of average load of engineering transformer, circuit maximum load rate, line
Road Rate of average load, overhead transmission line loss save discontinuity surface effective power flow peak value, save the practical effective power flow mean value of discontinuity surface, maximum
Load moment power factor and minimum load moment power factor this weight of 9 indexs in efficiency evaluation, and a21+a22+
a23+a24+a25+a26+a27+a28+a29=1.
According to effect result of calculation evaluate the engineering operate in reinforce channel transmission of electricity in terms of play practical function whether
Meet construction demand, evaluation result D2It indicates.
D2=a21D21+a22D22+a23D23+a24D24+a25D25+a26D26+a27D27+a28D28+a29D29
As evaluation result D2When >=60, it is believed that the practical function that reinforcement channel transmission of electricity aspect plays that operates in of the engineering is expired
Sufficient construction demand；As evaluation result D2When ＜ 60, it is believed that the practical work that transmission of electricity aspect in channel plays is reinforced in operating in for the engineering
With being unsatisfactory for construction demand.
4, the transregional project for transprovincially reinforcing passway for transmitting electricity engineering is evaluated safely according to the electric power data of acquisition, item
The evaluation index of mesh safety includes circuit availability, busbar voltage qualification rate, power grid safety accident frequency, relay protection
With stability control equipment malfunction and tripping number, to circuit unplanned outage hourage, the circuit unplanned outage frequency and to circuit jump
Lock rate, each evaluation index are to the specific evaluation procedure of project safety：
1) circuit availability
Calculate circuit availability AL, evaluate the ability that circuit persistently uses：
In formula, u is forced outage rate, unit times/year；TrFor failure mean repair time, unit hour/time；TΣATo set
Standby accumulative time between failures, unit hour；TΣIt puts into operation the time to be accumulative, unit hour.According to circuit availability to engineering
Security reliability is evaluated, evaluation result D31It indicates, works as ALIt is flat more than or equal to area power grid same type circuit availability
When mean value, it is believed that circuit persistently uses ability good, and engineering safety reliability is excellent, D31=100；Work as ATLess than area power grid
When the average value of same type circuit availability, it is believed that circuit persistently uses ability weaker, and engineering safety reliability is unqualified, D31
=50.
2) busbar A phase voltages qualification rate
Calculating project busbar A phase voltage qualification rates ηA, assessment item quality of voltage：
ηA(%)=(1-Tb/TΣ) * 100%
In formula, ηAFor project busbar A phase voltage qualification rates, TbFor voltage out-of-limit cumulative time, unit hour；TΣFor project
Total operating statistic time, unit hour.
Engineering safety reliability is evaluated according to busbar A phase voltages qualification rate, evaluation result is denoted as D32.Work as ηAIt is more than
When equal to 99.99%, it is believed that project busbar voltage qualification rate is good, and engineering safety reliability is excellent, D32=100；Work as ηAIt is situated between
When 99.95%-99.99%, it is believed that project busbar voltage qualification rate is qualified, it is believed that engineering safety reliability is excellent, D32=
100；Work as ηAWhen less than or equal to 99.95%, it is believed that project busbar voltage qualification rate is relatively low, and engineering safety reliability is unqualified, D32
=50.
3) power grid safety accident frequency
Count power grid safety accident frequency Ja, assessment item safety operation level, this item data, can without calculating
It directly acquires.
According to power grid safety accident frequency, engineering safety reliability is evaluated, evaluation result is denoted as D33.It is right
According to《Electric power safety accident emergency is disposed and regulations of investigating》, when safety accident does not occur for project, it is believed that project is to power grid
Safety is without influence, and engineering safety reliability is excellent, D33=100；When the following accident of project generation ordinary accident, it is believed that project
Certain threat is constituted to electric power netting safe running, engineering safety reliability is excellent, D33=100；When the special major accident of generation, again
Major break down, compared with major break down when, it is believed that project endangers electric power netting safe running serious, and engineering safety reliability is unqualified, D33=
50。
4) relay protection and stability control equipment malfunction and tripping number
Inside calculating project relay protection and stability control equipment or caused by engineering puts into operation in power grid other positions it is stable
The malfunction of device generation, tripping number JJ, relay protection and stability control equipment accuracy of action are evaluated, and to power grid security
The influence of stable operation.This item data can be directly acquired without calculating.
Engineering safety reliability is evaluated according to relay protection and stability control equipment malfunction and tripping number, evaluation result
It is denoted as D34.Work as JJWhen equal to 0, indicate project on power network safety operation without influence, it is believed that engineering safety reliability is excellent,
D34=100；Work as JJWhen more than or equal to 1, expression project is affected to power network safety operation, it is believed that engineering safety is reliable
Unqualified, the D of property34=50.
5) circuit unplanned outage hourage
Circuit unplanned outage hourage ∑ Td.l, the ability that circuit keeps safe and stable operation is evaluated, this item data is not necessarily to
It calculates, can directly acquire.
Engineering safety reliability is evaluated according to circuit unplanned outage hourage, evaluation result is denoted as D35.Work as ∑
Td.lLess than regional circuit unplanned outage time average, it is believed that project circuit keeps the ability of safe and stable operation good, work
Journey security reliability is excellent, D35=100；As ∑ Td.lMore than or equal to regional circuit unplanned outage time average, it is believed that project
Circuit keeps the ability of safe and stable operation poor, and engineering safety reliability is unqualified, D35=50.
6) the circuit unplanned outage frequency
Count circuit unplanned outage frequency fl, the ability of evaluation circuit holding safe and stable operation.This item data is not necessarily to
It calculates, can directly acquire.
Engineering safety reliability is evaluated according to the circuit unplanned outage frequency, evaluation result is denoted as D36Work as flIt is small
In regional circuit unplanned outage frequency mean value, it is believed that project circuit keeps the ability of safe and stable operation good, engineering safety
Reliability is excellent, D36=100；Work as flMore than or equal to regional circuit unplanned outage frequency mean value, it is believed that project circuit keeps peace
The ability of full stable operation is poor, and engineering safety reliability is unqualified, D36=50.
7) line tripping rate
The trip-out rate λ caused by circuit runs external environment or Insulation Problems is calculated, evaluation circuit response environment variation
Safe operation ability.
λ=M/T
In formula, λ is circuit Fei Benyin trip-out rates, unit times/year；During M is statistics, it is non-because of circuit self-capacity or
Trip total degree caused by Insulation Problems, and unit is secondary；T is evaluation time, and unit is year.According to line tripping rate to engineering
Security reliability is evaluated, and evaluation result is denoted as D37.When λ is less than 1, it is believed that the safe operation of circuit response environment variation
Ability is good, and engineering safety reliability is excellent, D37=100；When λ is between 1-3, it is believed that the safety of circuit response environment variation
Service ability is general, and engineering safety reliability is excellent, D37=100；When λ is more than or equal to 3, it is believed that the variation of circuit response environment
Safe operation ability is poor, and engineering safety reliability is unqualified, D37=50.
8) determination of project safety evaluation index weight
The determination that the present invention carries out index weights is asked using the weight derivation algorithm that the subjective and objective weight of ICRC combines
Solution, can obtain a31、a32、a33、a34、a35、a36、a37Determining weighted value, wherein a31、a32、a33、 a34、a35、a36、a37Point
Not Wei circuit availability, busbar voltage qualification rate, power grid safety accident frequency, relay protection and stability control equipment malfunction and
Tripping number is being imitated to circuit unplanned outage hourage, the circuit unplanned outage frequency and to 7 indexs of line tripping rate
Weight in capable of evaluating, and a31+a32+a33+a34+a35+a36+a37=1.
Whether qualified, the evaluation result D that evaluates the engineering safety reliability according to safe result of calculation3It indicates.
D3=a31D31+a32D32+a33D33+a34D34+a35D35+a36D36+a37D37
As evaluation result D3When >=60, it is believed that the security reliability aspect that operates in of the engineering meets the basic of electricity power engineering
It is required that；As evaluation result D3When ＜ 60, it is believed that the security reliability aspect that operates in of the engineering does not meet the basic of electricity power engineering
It is required that.
5, project efficiency, program result and project safety are considered, to transregional reinforcement passway for transmitting electricity electricity power engineering transprovincially
Operational effect overall merit.
1) operational effect overall merit numerical value is calculated, the calculation formula of operational effect overall merit is：
D=a1D1+a2D2+a3D3
Wherein, a1、a2、a3Respectively efficiency D1, effect D2, safe D3Weight, and define a1+a2+a3=1, it uses
The weight derivation algorithm of the subjective and objective weight combination of ICRC is solved.
2) D is determined1、D2、D3Evaluation approach domain
For efficiency D1Evaluation determines that evaluation approach domain is d1={ d11,d12,d13, wherein d11Represent important, d12Generation
Table is generally important, d13It represents inessential；
For effect D2Evaluation determines that domain is d2={ d21,d22, wherein d21Represent meet demand, d22It represents discontented
Sufficient demand；
For safe D3Evaluation determines that domain is d3={ d31,d32, wherein d31Represent qualification, d32It represents unqualified.
Above-mentioned qualitative evaluation is converted into numerical value, is subordinate to by three classes converts corresponding etc. be worth to respectively.In order to pull open difference
Score span between qualitative comment, the following three groups of score score values of setting correspond to：
Substitute into overall merit formula D=a1D1+a2D2+a3D3
As D ＜ 60, it is believed that the engineering is poor as transregional reinforcement passway for transmitting electricity electricity power engineering overall operation effect transprovincially,
It should be according to efficiency D1, effect D2, safe D3Evaluation result, the poor reason of concrete analysis operational effect, and carry out and be directed to
The corrective measure of property.
As 60≤D ＜ 80, it is believed that the engineering is as transregional reinforcement passway for transmitting electricity electricity power engineering overall operation effect transprovincially
It is good, there is certain security and stability, constructions of engineering have the function of strong passway for transmitting electricity, and engineering operates in centainly
The function of transregional conveying electricity transprovincially is realized in degree.It should be according to efficiency D1, effect D2, safe D3Evaluation result, specifically
Analyze operational effect in terms of there are the problem of, and carry out targetedly corrective measure.
As D >=80, it is believed that the engineering works well as transregional reinforcement passway for transmitting electricity electricity power engineering overall operation transprovincially,
With preferable security and stability, the construction of engineering has effectively added the ability of cross-regional exchange electricity transprovincially, and the operation of engineering
Adequately achieve the function of transregional conveying electricity transprovincially.
In above-described embodiment, for accurate comprehensively quantitative description evaluation index significance level, traditional evaluation method is improved
In subjective weight computations of the decision logic process based on trade-off decision person's preference index, according in decision psychology
First impression effect, the present invention propose based on index classification with reference to comparison method (ICRC) subjective and objective weight combine weight
Derivation algorithm is solved, and determines that subjective weight, objective data analysis use the data of a variety of classics by expertise preference
Assay obtains considering the combining weights of evaluation data characteristic, may be implemented to exist in index quantity by normalizing formula manipulation
Determine that reasonable weighted value, concrete principle are under evaluation within 20：
As shown in Figure 2, it is assumed that sample to be evaluated shares i it needs to be determined that the index χ quantity of weight shares j, and j is little
In 20, and the weight vectors evaluated are W=[w1,w2...,wj]T, the detailed process for solving evaluation weight W is：
1) achievement data is pre-processed, specially：
1.1) Rejection index abnormal point specifically is added to be used as except twice of+2 σ of standard deviation μ using index deviation average and be sentenced
Severed finger scale value whether exceptional sample xoutlierStandard.
In formula, μ indicates that sample average, σ indicate sample standard deviation.
1.2) index unification is handled
According to comprehensive evaluation theory, index may belong to three types：" large " index Xmax, " type placed in the middle " index
Xmid, " minimal type " index Xmin.In order to make evaluation result be comparable, index doing mathematics are changed first, i.e. the one of index
Causeization processing, specially：
(1) if X belongs to minimal type index, the value e of the inverse of fetching mark x as unification：
(2) if X belongs to type index placed in the middle, the comparison result with the maximum value U of optimum range, minimum value u of fetching mark x
Value e as unification：
1.3) indices non-dimension
If the dimension between several evaluation indexes is different from the order of magnitude, need first to these index doing mathematics transformation at
Reason, is further continued for evaluating, specially after making its nondimensionalization：
In formula, xijThe jth for representing i-th of sample refers to target value, Mj=max { xij, mj=min { xij, eij∈[0,1]。
If encounter the case where index value is definite value, need to reject this index.
2) it is based on decisionmaker's preference information and calculates subjective weight, the present invention is based on ICRC to seek subjective weight；Wherein, divide
Class, with reference to the solution frame for comparing the two stages and constituting weight subjective experience decision.
2.1) index classification
According to expertise preliminary classification index, it is equipped with j evaluation index χ1,χ2,......,χj, according to expertise,
By the index χ under same criterionkClassify, is included into four different significance level levels respectively：Core level S1, support
Level S2, base level S3, weak rigidity level S4：
Si∈χk
According to the meaning and significance level characteristic distributions of each level, it is as follows to define principle of classification：
Principle of classification 1：Corresponding S1、S2、S3、S4The number ratio of indicator of distribution is：
Above formula b1Represent the index that core layer covers 20%, b2Represent the index that supporting layer covers 30%, b3Represent base
Plinth layer covers 40% index, b4The number for representing weak rigidity layer is then 10% overall performane.
Principle of classification 2：Corresponding S1、S2、S3、S4The weight of four levels is respectively：
The significance level p of core layer index is respectively represented in formula1It can be expressed as 40% criterion weight θ, supporting layer
The significance level p of index2It can be expressed as 30% criterion weight, the significance level p of basal layer index3It can be expressed as
20% criterion weight, the significance level p of weak rigidity layer index4It can be expressed as 10% criterion weight.
2.2) reference is compared
According to expertise, respective one most important index of selection is used as and refers to index χ respectively in four levelsWith reference to,
It can be to compare the importance of reference index as the judgment criterion of determining weight, i.e. remaining index compares two-by-two with reference index
It sums by row compared with scoring, then by index score value, obtains each index scoring summation, be finally weighted average treatment, acquire finger
The subjective weight coefficient ν of markk。
After hierarchical with respective standard index χWith reference toRelatively scoring score value is set as mk,
mk=χk/χWith reference to
Wherein, score value mkStandards of grading such as following table：
1 RC methods of table scoring score table
| It is important | It is important | It is not too important | Compared to inessential |
| 0.9 | 0.6 | 0.3 | 0.1 |
Obtain evaluation vector：
αi=[m1...,mk,...]T
Weighted value, θ are calculated after scoringiFor SiThe weight summation distributed, piFor SiThe weight percentage distributed,
K=1 is defined, if Si∈χkCorresponding score value mk, νkFor subjective weight coefficient：
Obtained subjective weight is：V=[ν1,ν2...,νj]T。
3) calculating of the objective weight based on evaluation data, that is, pass through parameter variance, comentropy and grey relational grade
Value, objective weight is obtained by weighted average.
(1) parameter variance：
In formula, μ representative sample subscripts, k represents index subscript, eμkIt represents the μ sample kth and refers to target value
(2) parameter comentropy：
(3) parameter grey relational grade：
Δk(q)=| X0(q)-Xk(q)|
In formula, k represents index subscript, X0(q) it is the index value of reference sequence, ξk(q) it is incidence coefficient, ρ is to differentiate to be
Number, usually takes ρ=0.5.
Compare the degree of association that sequence corresponds to reference sequencesValue generally indicates with average, i.e.,：
(5) weighted average of objective weight is integrated：
Obtained objective weight is：F=[f1,f2...,fj]T。
4) the subjective and objective weight combination based on normalization formula, detailed process are：
4.1) normalization formula calculates combining weights：
It is W=[w to acquire weight vectors1,w2...,wj]T。
Embodiment 2
Based on same inventive concept, the present invention also provides a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiencies transregional transprovincially
Evaluation system, the system include：
Data acquisition for acquiring the transregional electric power data for transprovincially reinforcing passway for transmitting electricity engineering actual motion to be evaluated
Module；
For being evaluated the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Project efficiency evaluation module；
For being evaluated the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Effectiveness evaluation of project module；
For being evaluated safely the transregional project for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Project safety evaluation module；
For the evaluation result according to project efficiency, program result and project safety, to transregional reinforcement passway for transmitting electricity transprovincially
The on-road efficiency of electricity power engineering carries out the overall merit module of overall merit.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer journey
Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the application
The form of embodiment.Moreover, the application can be used in one or more wherein include computer usable program code calculating
The computer program implemented in machine usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions each in flowchart and/or the block diagram
The combination of flow and/or box in flow and/or box and flowchart and/or the block diagram.These computers can be provided
Processor of the program instruction to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine so that the instruction executed by computer or the processor of other programmable data processing devices generates
For realizing the function of being specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes
Device.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction stored in the computer readable memory, which generates, includes
The manufacture of command device, the command device are realized in one flow of flow chart or multiple flows and/or one box of block diagram
Or the function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer
Or the instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or box
The step of function of being specified in one box of figure or multiple boxes.The various embodiments described above are merely to illustrate the present invention, wherein method
Each implementation steps etc. may be changed, every equivalents carried out based on the technical solution of the present invention
And improvement, it should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially, it is characterised in that including following interior
Hold：
Acquire the transregional electric power data for transprovincially reinforcing passway for transmitting electricity engineering actual motion to be evaluated；
The transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition, wherein item
Mesh efficiency evaluation index includes newly-increased number of, lines system accounting, newly-increased line length system accounting and grid structure optimization；
The transregional program result for transprovincially reinforcing passway for transmitting electricity engineering is evaluated according to the electric power data of acquisition, wherein item
Mesh Indexes of Evaluation Effect include engineering transformer maximum load rate, the Rate of average load of engineering transformer, circuit maximum load rate,
Circuit Rate of average load, overhead transmission line loss save discontinuity surface effective power flow peak value, save the practical effective power flow mean value of discontinuity surface, most
Big load moment power factor and minimum load moment power factor；
The transregional project for transprovincially reinforcing passway for transmitting electricity engineering is evaluated safely according to the electric power data of acquisition, wherein item
The evaluation index of mesh safety include circuit availability, busbar voltage qualification rate, power grid safety accident frequency, relay protection and
Stability control equipment malfunction and tripping number, to circuit unplanned outage hourage, the circuit unplanned outage frequency and to line tripping
Rate；
According to project efficiency, the evaluation result of program result and project safety, to transregional reinforcement passway for transmitting electricity electricity power engineering transprovincially
On-road efficiency carry out overall merit.
2. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as described in claim 1, special
Sign is, is evaluated the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition, specifically
Evaluation procedure is：
It calculates and increases number of, lines system accounting K newlyl1：Kl1=Cl/ΣCl, in formula, Σ ClIt is system before putting into operation with voltage class circuit
Quantity, ClNumber of, lines is increased newly for this engineering, according to Kl1Evaluation engineering importance, evaluation result are denoted as D11；
It calculates and increases the proportion K that line length accounts for system line total length newlyl2：Kl2=Ll/∑Ll, in formula, Σ LlFor system before putting into operation
With voltage class line length, LlLine length is increased newly for this engineering, according to Kl2Evaluation engineering importance, evaluation result are denoted as
D12；
Compare project planning and year of putting into operation corresponding grid structure, according to the state change situation evaluation engineering of grid structure
To the effect that system passway for transmitting electricity is reinforced, evaluation result is denoted as D13；
D is calculated according to the above results1：D1=a11D11+a12D12+a13D13, according to D1It is defeated for reinforcing channel to evaluate the engineering construction
Whether electric energy power effect is notable, in formula, a11、a12、a13Respectively newly-increased number of, lines system accounting, newly-increased line length system
The weight of accounting and grid structure optimizing index in efficiency evaluation, a11+a12+a13=1.
3. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as claimed in claim 2, special
Sign is that the state of the grid structure includes：Contact is state 2, more Hui Sheng between contact is state 1 between single Hui Sheng, double back saves
Between contact be state 3.
4. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as claimed in claim 3, special
Sign is, the effect that the state change situation evaluation engineering according to grid structure reinforces system passway for transmitting electricity, including：
When corresponding rack becomes state 3 from state 1, it is believed that the effect that engineering reinforces system passway for transmitting electricity is important；
When corresponding rack is become state 2 or is become state 3 from state 2 from state 1, it is believed that engineering is to system passway for transmitting electricity
The effect of reinforcement is more important；
When the state of corresponding rack does not change, it is believed that the effect that engineering reinforces system passway for transmitting electricity is generally important.
5. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as described in claim 1, special
Sign is, is evaluated the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition specific
Evaluation procedure is：
Calculate engineering transformer maximum load rate μmax,t：μmax,t=Pmax,t/St, in formula, μmax,tFor transformer maximum load rate；
Pmax,tFor the peak load that transformer occurs, StFor transformer rated capacity, transformer puts into operation after preset time, negative according to maximum
Interval assessment engineering operation effect, evaluation result residing for load rate are denoted as D21, whether reached according to engineering operation effect expected to D21
Value be configured；
Calculate the Rate of average load μ of engineering transformeravg,t：μavg,t=Pavg,t/St, in formula, μavg,tFor transformer average load
Rate；Pavg,tFor transformer annual load, StFor transformer rated capacity, transformer puts into operation the setting time limit time, according to transformation
Interval assessment engineering operation effect, evaluation result residing for the Rate of average load of device are denoted as D22, whether arrived according to engineering operation effect
Up to expected to D22Value be configured；
Calculate circuit maximum load rate μmax,1：μmax,1=Pmax,1/S1, in formula, μmax,1For circuit maximum load rate；Pmax,lFor line
The peak load that road occurs, SlFor circuit rated capacity, circuit puts into operation after the setting time limit, according to area residing for circuit maximum load rate
Between evaluation engineering operational effect, evaluation result is denoted as D23, whether reached according to engineering operation effect expected to D23Value set
It sets；
Calculate circuit Rate of average load μavg,1：μavg,1=Pavg,1/S1, in formula, μavg,1For circuit Rate of average load；Pavg,lFor line
Road annual load；SlFor circuit rated capacity circuit；It puts into operation after setting the time limit, according to circuit Rate of average load percentage section pair
Engineering operation effect is evaluated, and evaluation result is denoted as D24, whether reached according to engineering operation effect expected to D24Value carry out
Setting；
It calculates overhead line path loss and consumes Ql,l：Ql.l=Qin-Qout, in formula, QinElectricity, Q are inputted for transformeroutElectricity is exported for transformer
Amount evaluates engineering operation effect according to overhead transmission line loss, and evaluation result is denoted as D25, according to engineering operation effect whether
It reaches expected to D25Value be configured；
It obtains and saves discontinuity surface effective power flow peak value Pmax, engineering operation effect is commented according to discontinuity surface effective power flow peak value is saved
Valence, evaluation result are denoted as D26, whether reached according to engineering operation effect expected to D26Value be configured；
It calculates and saves the practical effective power flow mean value P of discontinuity surfaceavg：Pavg=Q/8760 is calculated, P in year according to putting into operationavgTo save discontinuity surface
Practical effective power flow mean value, Q are to save to exchange electricity in discontinuity surface year, and engineering fortune is carried out according to the practical effective power flow mean value of discontinuity surface is saved
Row effect assessment, evaluation result are denoted as D27, whether reached according to engineering operation effect expected to D27Value be configured；
Calculate peak load moment power factor
In formula, S is the apparent energy of peak load moment equipment conveying, and P is the active power of peak load moment equipment conveying,
Q is the reactive power of peak load moment equipment conveying, and carrying out engineering operation effect according to peak load moment power factor comments
Valence, evaluation result are denoted as D28, whether reached according to engineering operation effect expected to D28Value be configured；
Calculate minimum load moment power factor
In formula, S is the apparent energy of minimum load moment equipment conveying, and P is the active power of minimum load moment equipment conveying,
Q is the reactive power of minimum load moment equipment conveying, and carrying out engineering operation effect according to minimum load moment power factor comments
Valence, evaluation result are denoted as D29, whether reached according to engineering operation effect expected to D29Value be configured；
D is calculated according to These parameters2, according to D2Engineering effort evaluation is carried out with the comparison result of predetermined threshold value：D2=a21D21+
a22D22+a23D23+a24D24+a25D25+a26D26+a27D27+a28D28+a29D29, wherein a21、a22、a23、a24、a25、a26、a27、a28、
a29Respectively engineering transformer maximum load rate, the Rate of average load of engineering transformer, circuit maximum load rate, circuit are averagely negative
Load rate, overhead transmission line loss save discontinuity surface effective power flow peak value, save the practical effective power flow mean value of discontinuity surface, peak load moment
The weight of power factor and minimum load moment power factor in efficiency evaluation, a21+a22+a23+a24+a25+a26+a27+a28+
a29=1.
6. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as described in claim 1, special
Sign is, is evaluated safely the transregional project for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition specific
Evaluation procedure is：
Calculate circuit availability AL：
In formula, u is forced outage rate, TrFor failure mean repair time, TΣAAdd up time between failures, T for equipmentΣIt is tired
Meter puts into operation the time, is evaluated engineering safety reliability according to circuit availability, evaluation result D31It indicates, is pacified according to engineering
Full reliability standard is to D31Value is determined；
Calculating project busbar A phase voltage qualification rates ηA：ηA(%)=(1-Tb/TΣ) * 100%, in formula, ηAFor project busbar A phase electricity
Press qualification rate, TbFor voltage out-of-limit cumulative time, TΣFor project total operating statistic time, according to busbar A phase voltage qualification rates pair
Engineering safety reliability is evaluated, and evaluation result is denoted as D32, according to engineering safety reliability standard to D32Value is determined；
Count power grid safety accident frequency Ja, according to power grid safety accident frequency, engineering safety reliability is commented
Valence, evaluation result are denoted as D33, according to engineering safety reliability standard to D33Value is determined；
Inside calculating project relay protection and stability control equipment or caused by engineering puts into operation in power grid other positions stability control equipment
The malfunction of generation, tripping number JJ, according to relay protection and stability control equipment malfunction and tripping number to engineering safety reliability into
Row evaluation, evaluation result are denoted as D34, according to engineering safety reliability standard to D34Value is determined；
Obtain circuit unplanned outage hourage ∑ Td.l, according to circuit unplanned outage hourage to engineering safety reliability into
Row evaluation, evaluation result are denoted as D35, according to engineering safety reliability standard to D35Value is determined；
Count circuit unplanned outage frequency fl, engineering safety reliability is evaluated according to the circuit unplanned outage frequency, is commented
Valence result is denoted as D36, according to engineering safety reliability standard to D36Value is determined；
Calculate the trip-out rate caused by circuit runs external environment or Insulation Problems：λ=M/T, in formula, λ is that circuit Fei Benyin is jumped
Lock rate, during M is statistics, the non-total degree that trips caused by circuit self-capacity or Insulation Problems, T is evaluation time, root
Engineering safety reliability is evaluated according to line tripping rate, evaluation result is denoted as D37, according to engineering safety reliability standard pair
D37Value is determined；
Engineering safety evaluation, evaluation result D are carried out according to These parameters3It indicates：D3=a31D31+a32D32+a33D33+a34D34+
a35D35+a36D36+a37D37, wherein a31、a32、a33、a34、a35、a36、a37Respectively circuit availability, busbar voltage qualification rate,
Power grid safety accident frequency, relay protection and stability control equipment malfunction and tripping number, to circuit unplanned outage hourage,
The circuit unplanned outage frequency and weight to line tripping rate in efficiency evaluation, a31+a32+a33+a34+a35+a36+a37=1；
According to D3It is whether qualified that the engineering safety reliability is evaluated with the comparison result of preset value.
7. reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as described in claim 1, feature exist
According to project efficiency, the evaluation result of program result and project safety, to transregional reinforcement passway for transmitting electricity electricity power engineering transprovincially
Operational effect overall merit, detailed process are：
1) operational effect overall merit numerical value is calculated, the calculation formula of operational effect overall merit is：
D=a1D1+a2D2+a3D3
Wherein, a1、a2、a3Respectively project efficiency D1, program result D2, the safe D of project3Weight, a1+a2+a3=1；
2) when D ＜ set minimum threshold, it is believed that the engineering is as transregional reinforcement passway for transmitting electricity electricity power engineering overall operation transprovincially
Effect is poor；
When setting minimum threshold≤D ＜ setting max-thresholds, it is believed that the engineering is as transregional reinforcement passway for transmitting electricity power grid transprovincially
Engineering overall operation effect is good；
When D >=setting max-thresholds, it is believed that the engineering is as transregional reinforcement passway for transmitting electricity electricity power engineering overall operation effect transprovincially
Fruit is good.
8. reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as claimed in claim 7, feature exist
In a1、a2、a3It is asked with reference to the weight derivation algorithm that the subjective and objective weight of comparison method combines using based on index classification
Solution obtains.
9. reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation method transregional transprovincially as claimed in claim 7, feature exist
In before calculating operational effect overall merit numerical value D, further comprising：
Determine D1、D2、D3Evaluation approach domain；
For efficiency D1Evaluation determines that evaluation approach domain is d1={ d11,d12,d13, wherein d11Represent important, d12Represent one
As important, d13It represents inessential；
For effect D2Evaluation determines that domain is d2={ d21,d22, wherein d21Represent meet demand, d22Representative is unsatisfactory for demand；
For safe D3Evaluation determines that domain is d3={ d31,d32, wherein d31Represent qualification, d32It represents unqualified；
Above-mentioned qualitative evaluation is converted into numerical value.
10. a kind of reinforcement passway for transmitting electricity electricity power engineering on-road efficiency evaluation system transregional transprovincially, which is characterized in that the system packet
It includes：
Data acquisition module for acquiring the transregional electric power data for transprovincially reinforcing passway for transmitting electricity engineering actual motion to be evaluated；
Item for being evaluated the transregional project efficiency for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Mesh efficiency evaluation module, wherein project efficiency evaluation index includes newly-increased number of, lines system accounting, newly-increased line length system
Accounting and grid structure optimization；
Item for being evaluated the transregional program result for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Mesh effect assessment module, wherein effectiveness evaluation of project index includes that engineering transformer maximum load rate, engineering transformer are averaged
Load factor, circuit Rate of average load, overhead transmission line loss, saves discontinuity surface effective power flow peak value, saves interruption circuit maximum load rate
The practical effective power flow mean value in face, peak load moment power factor and minimum load moment power factor；
Item for being evaluated safely the transregional project for transprovincially reinforcing passway for transmitting electricity engineering according to the electric power data of acquisition
Mesh safety evaluation module, wherein the evaluation index of project safety includes circuit availability, busbar voltage qualification rate, power grid security
Accident frequency, relay protection and stability control equipment malfunction and tripping number, to circuit unplanned outage hourage, the non-meter of circuit
Draw the stoppage in transit frequency and to line tripping rate；
For the evaluation result according to project efficiency, program result and project safety, to transregional reinforcement passway for transmitting electricity power grid transprovincially
The on-road efficiency of engineering carries out the overall merit module of overall merit.
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