CN107292761A - Power network diagnosis of the status quo analysis system - Google Patents
Power network diagnosis of the status quo analysis system Download PDFInfo
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- CN107292761A CN107292761A CN201610221255.XA CN201610221255A CN107292761A CN 107292761 A CN107292761 A CN 107292761A CN 201610221255 A CN201610221255 A CN 201610221255A CN 107292761 A CN107292761 A CN 107292761A
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- 238000005096 rolling process Methods 0.000 description 3
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Abstract
The present invention relates to Electric Power Network Planning technical field, and in particular to a kind of power network diagnosis of the status quo analysis system, sets four layers of evaluation index：First layer is operation level and power supply capacity comprehensive score；The second layer is respectively operation level and power supply capacity；Third layer is respectively integrated operation, circuit, distribution transforming, switch, distribution power supply point and distribution network, and wherein integrated operation, circuit, distribution transforming and switch is under the jurisdiction of the assessment of operation level, and distribution power supply point and distribution network are under the jurisdiction of the assessment of power supply capacity；4th layer is the specific evaluation index of each several part；Every layer of index comprehensive score is summed after its lower floor's score weighting and obtained, all indexs are carried out after successively weighted sum, finally give assessment area operation level and power supply capacity comprehensive score, the calculation formula of each layer evaluation index is pre-set in processor, automatic result of calculation after data needed for obtaining.The present invention is clearly divided to all kinds of indexs, shortens calculating cycle, is improved and is calculated accuracy.
Description
Technical field
The present invention relates to Electric Power Network Planning technical field, and in particular to a kind of power network diagnosis of the status quo analysis system.
Background technology
Current power network diagnostic analysis index multi-source is in other systems, and analysis personnel take to be needed to be advised according to power network after data
Draw business characteristic and carry out calculating analysis, overall merit electric network state can be just obtained, so as to diagnose electrical network weak link in time.Power network
Diagnostic analysis index includes including some indexs in comprehensive diagnos, power transmission network diagnosis, power distribution network three classes of diagnosis, each class content,
Each index divides different types to show again, so the index classification to be shown is more, substantial amounts.
Due to without ripe analysis calculating instrument, generally requiring manual calculations key index, and calculation formula compares
Complexity, each index can correspond to different weights, cause calculating cycle longer and the probability of result of calculation error is larger.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to：A kind of power network diagnosis of the status quo analysis system is provided, to each
Class index is clearly divided, and shortens calculating cycle, is improved and is calculated accuracy.
The technical scheme that the present invention is used by solution its technical problem for：
The power network diagnosis of the status quo analysis system, sets four layers of evaluation index：
First layer is operation level and power supply capacity comprehensive score；
The second layer is respectively operation level and power supply capacity；
Third layer is respectively integrated operation, circuit, distribution transforming, switch, 6 parts of distribution power supply point and distribution network, wherein
Integrated operation, circuit, 4 parts of distribution transforming and switch are under the jurisdiction of the assessment of operation level, distribution power supply point and distribution network two
Part is under the jurisdiction of the assessment of power supply capacity；
4th layer is the specific evaluation index of each several part；
Every layer of index comprehensive score is summed after its lower floor's score weighting and obtained, and all indexs are carried out into successively weighted sum
Afterwards, finally give and each layer evaluation index is pre-set in assessment area operation level and power supply capacity comprehensive score, processor
Automatic result of calculation after calculation formula, data needed for obtaining.
After each block supply company obtains operation level and power supply capacity comprehensive score, net provincial company is public to affiliated districts and cities
Department collects the assessment score for obtaining net provincial company after being weighted, weighting weight is that regional distribution evaluation year electricity sales amount is accounted for entirely
Save the ratio that year total electricity sales amount is evaluated in distribution.
Assessment by the system to distribution operation level and power supply capacity, most obtains different levels and assesses content at last
Point value of evaluation；After assessment terminates, should be existed not according to assessment result, analysis and evaluation region distribution operation level and power supply capacity
Foot, and in distribution planning and designing from now on, build, gradual perfection in the work such as operation, technological transformation realizes closed-loop dynamic pipe
Reason, rolling are improved.
It is qualified that the specific evaluation index of integrated operation includes power supply reliability RS1, power supply reliability RS3, integrated voltage
Rate and 10kV line losses per unit；The specific evaluation index of circuit includes overhead transmission line fault rate, cable line fault rate, circuit underloading ratio
Circuit ratio, line insulation rate that the heavily loaded ratio of example, circuit, operation surpass 30 years；The specific evaluation index of distribution transforming includes matching somebody with somebody accident
The circuit ratio heavily loaded with control with changed scale, the circuit ratio of distribution transforming underloading, distribution transforming that barrier rate, height loss surpass 30 years with control with changed scale, operation
Example, distribution transforming information gathering rate；Switch switch ratio, switch nothing that specific evaluation index surpasses 20 years including switch fault rate, operation
Oiling rate, switch " two is distant " rate；The specific evaluation index of distribution power supply point includes capacity-load ratio, main transformer and meets N-1 ratios, power supply capacity
With transmittability matching rate；The specific evaluation index of distribution network meets N-1 ratios, circuit contact rate including circuit, become from different
There are the circuit ratio of contact, the circuit ratio of distribution transforming overload, averagely overload circuit ratio, the exceeded overhead line of segmentation capacity in power station
Road ratio, dress are shown in the exceeded circuit ratio of capacity.
Each index weights are allocated as follows shown in table：
Each index interpretation such as following table：
Each index scoring formula and it is described as follows, the x in scoring formula is each desired value, and y is the score of the index, index
Retain two after score decimal point, the numbering of each index is identical with index number in upper table.
1.1 power supply reliability RS1 (%)
Note：Leap year is 8784h
Index score calculation formula：
1.2 power supply reliability RS3 (%)
Index score calculation formula：
1.3 integrated voltage qualification rates (%)
Index score calculation formula：
1.4 10kV line losses per unit (%)
Index score calculation formula：
The 2.1 overhead transmission line number of stoppages (secondary/hundred kilometers of years)
Index score calculation formula：
2.2 cable line fault rates (secondary/hundred kilometers of years)
Index score calculation formula：
2.3 circuit underloading ratios (%)
Index score calculation formula：
2.4 circuits heavy duty ratio (%)
Index score calculation formula：
The circuit ratio (%) that 2.5 operations surpass 30 years
Index score calculation formula：
2.6 line insulation rates (%)
Index score calculation formula：
3.1 distribution transforming fault rates (secondary/100 year)
Index score calculation formula：
Control with changed scale (%) is matched somebody with somebody in 3.2 high losses
Index score calculation formula：
3.3 operation surpass 30 years match somebody with somebody control with changed scale (%)
Index score calculation formula：
The circuit ratio (%) of 3.4 distribution transforming underloadings
Index score calculation formula：
The circuit ratio (%) of 3.5 distribution transformings heavy duty
Index score calculation formula：
3.6 distribution transforming information gathering rates
Index score calculation formula：
4.1 switch fault rates (secondary/100 year)
Index score calculation formula：
The switch proportion (%) that 4.2 operations surpass 20 years
Index score calculation formula：
4.3 oil-free rates (%)
Index score calculation formula：
4.4 switch " two is distant " rates (%)
Index score calculation formula：
5.1 capacity-load ratio
Index score calculation formula：
5.2 main transformers meet N-1 ratios (%)
Index score calculation formula：
5.3 power supply capacities and transmittability matching rate
Index score calculation formula：
6.1 circuit meets N-1 ratios (%)
Index score calculation formula：
6.2 circuit contact rates (%)
Index score calculation formula：
6.3 different substations have the circuit ratio (%) of contact
Index score calculation formula：
The circuit ratio (%) of 6.4 distribution transforming load factors overload
Index score calculation formula：
6.5 overload circuit ratios (%)
Index score calculation formula：
6.6 are averagely segmented the exceeded overhead transmission line ratio (%) of capacity
Index score calculation formula：
6.7 dresses are shown in the exceeded circuit ratio (%) of capacity
Index score calculation formula：
Data source needed for the specific evaluation index is calculated can pass through PMS systems, work bill system, operation ticket system, electricity
Energy quality system, marketing support system, Demand-side monitoring system and dispatch automated system are obtained automatically, are obtained and are calculated after data
Machine calculates assessment area operation level and power supply capacity comprehensive score, nothing according to each index calculation formula and the distribution of each index weights
Manual calculations are needed, mitigate worker workload, operating efficiency is improved and assesses accuracy.
Compared with prior art, the invention has the advantages that：
The present invention is clearly divided to all kinds of indexs, shortens calculating cycle, is improved and is calculated accuracy.In each block supply
Company is obtained after operation level and power supply capacity comprehensive score, and net provincial company collects after affiliated prefecture-level company is weighted
The assessment score of net provincial company is obtained, weighting weight is that regional distribution evaluation year electricity sales amount accounts for the whole province's distribution evaluation year total electricity sales amount
Ratio.Assessment by the system to distribution operation level and power supply capacity, most obtains different levels and assesses content at last
Point value of evaluation；After assessment terminates, should be existed not according to assessment result, analysis and evaluation region distribution operation level and power supply capacity
Foot, and in distribution planning and designing from now on, build, gradual perfection in the work such as operation, technological transformation realizes closed-loop dynamic pipe
Reason, rolling are improved.
Embodiment：
The power network diagnosis of the status quo analysis system of the present invention, sets four layers of evaluation index：
First layer is operation level and power supply capacity comprehensive score；
The second layer is respectively operation level and power supply capacity；
Third layer is respectively integrated operation, circuit, distribution transforming, switch, 6 parts of distribution power supply point and distribution network, wherein
Integrated operation, circuit, 4 parts of distribution transforming and switch are under the jurisdiction of the assessment of operation level, distribution power supply point and distribution network two
Part is under the jurisdiction of the assessment of power supply capacity；
4th layer is the specific evaluation index of each several part；
Every layer of index comprehensive score is summed after its lower floor's score weighting and obtained, and all indexs are carried out into successively weighted sum
Afterwards, finally give and each layer evaluation index is pre-set in assessment area operation level and power supply capacity comprehensive score, processor
Automatic result of calculation after calculation formula, data needed for obtaining.
It is qualified that the specific evaluation index of integrated operation includes power supply reliability RS1, power supply reliability RS3, integrated voltage
Rate and 10kV line losses per unit；The specific evaluation index of circuit includes overhead transmission line fault rate, cable line fault rate, circuit underloading ratio
Circuit ratio, line insulation rate that the heavily loaded ratio of example, circuit, operation surpass 30 years；The specific evaluation index of distribution transforming includes matching somebody with somebody accident
The circuit ratio heavily loaded with control with changed scale, the circuit ratio of distribution transforming underloading, distribution transforming that barrier rate, height loss surpass 30 years with control with changed scale, operation
Example, distribution transforming information gathering rate；Switch switch ratio, switch nothing that specific evaluation index surpasses 20 years including switch fault rate, operation
Oiling rate, switch " two is distant " rate；The specific evaluation index of distribution power supply point includes capacity-load ratio, main transformer and meets N-1 ratios, power supply capacity
With transmittability matching rate；The specific evaluation index of distribution network meets N-1 ratios, circuit contact rate including circuit, become from different
There are the circuit ratio of contact, the circuit ratio of distribution transforming overload, averagely overload circuit ratio, the exceeded overhead line of segmentation capacity in power station
Road ratio, dress are shown in the exceeded circuit ratio of capacity.
Each index weights are allocated as follows shown in table：
Each index interpretation such as following table：
Each index scoring formula and it is described as follows, the x in scoring formula is each desired value, and y is the score of the index, index
Retain two after score decimal point, the numbering of each index is identical with index number in upper table.
1.1 power supply reliability RS1 (%)
Note：Leap year is 8784h
Index score calculation formula：
1.2 power supply reliability RS3 (%)
Index score calculation formula：
1.3 integrated voltage qualification rates (%)
Index score calculation formula：
1.4 10kV line losses per unit (%)
Index score calculation formula：
The 2.1 overhead transmission line number of stoppages (secondary/hundred kilometers of years)
Index score calculation formula：
2.2 cable line fault rates (secondary/hundred kilometers of years)
Index score calculation formula：
2.3 circuit underloading ratios (%)
Index score calculation formula：
2.4 circuits heavy duty ratio (%)
Index score calculation formula：
The circuit ratio (%) that 2.5 operations surpass 30 years
Index score calculation formula：
2.6 line insulation rates (%)
Index score calculation formula：
3.1 distribution transforming fault rates (secondary/100 year)
Index score calculation formula：
Control with changed scale (%) is matched somebody with somebody in 3.2 high losses
Index score calculation formula：
3.3 operation surpass 30 years match somebody with somebody control with changed scale (%)
Index score calculation formula：
The circuit ratio (%) of 3.4 distribution transforming underloadings
Index score calculation formula：
The circuit ratio (%) of 3.5 distribution transformings heavy duty
Index score calculation formula：
3.6 distribution transforming information gathering rates
Index score calculation formula：
4.1 switch fault rates (secondary/100 year)
Index score calculation formula：
The switch proportion (%) that 4.2 operations surpass 20 years
Index score calculation formula：
4.3 oil-free rates (%)
Index score calculation formula：
4.4 switch " two is distant " rates (%)
Index score calculation formula：
5.1 capacity-load ratio
Index score calculation formula：
5.2 main transformers meet N-1 ratios (%)
Index score calculation formula：
5.3 power supply capacities and transmittability matching rate
Index score calculation formula：
6.1 circuits meet N-1 ratios (%)
Index score calculation formula：
6.2 circuit contact rates (%)
Index score calculation formula：
6.3 different substations have the circuit ratio (%) of contact
Index score calculation formula：
The circuit ratio (%) of 6.4 distribution transforming load factors overload
Index score calculation formula：
6.5 overload circuit ratios (%)
Index score calculation formula：
6.6 are averagely segmented the exceeded overhead transmission line ratio (%) of capacity
Index score calculation formula：
6.7 dresses are shown in the exceeded circuit ratio (%) of capacity
Index score calculation formula：
Data source needed for the specific evaluation index is calculated can pass through PMS systems, work bill system, operation ticket system, electricity
Energy quality system, marketing support system, Demand-side monitoring system and dispatch automated system are obtained automatically, are obtained and are calculated after data
Machine calculates assessment area operation level and power supply capacity comprehensive score, nothing according to each index calculation formula and the distribution of each index weights
Manual calculations are needed, mitigate worker workload, operating efficiency is improved and assesses accuracy.
After each block supply company obtains operation level and power supply capacity comprehensive score, net provincial company is public to affiliated districts and cities
Department collects the assessment score for obtaining net provincial company after being weighted, weighting weight is that regional distribution evaluation year electricity sales amount is accounted for entirely
Save the ratio that year total electricity sales amount is evaluated in distribution.
Assessment by the system to distribution operation level and power supply capacity, most obtains different levels and assesses content at last
Point value of evaluation；After assessment terminates, should be existed not according to assessment result, analysis and evaluation region distribution operation level and power supply capacity
Foot, and in distribution planning and designing from now on, build, gradual perfection in the work such as operation, technological transformation realizes closed-loop dynamic pipe
Reason, rolling are improved.
Claims (5)
1. a kind of power network diagnosis of the status quo analysis system, it is characterised in that four layers of evaluation index are set：
First layer is operation level and power supply capacity comprehensive score；
The second layer is respectively operation level and power supply capacity；
Third layer is respectively integrated operation, circuit, distribution transforming, switch, 6 parts of distribution power supply point and distribution network, wherein comprehensive
Operation, circuit, 4 parts of distribution transforming and switch are under the jurisdiction of the assessment of operation level, two parts of distribution power supply point and distribution network
It is under the jurisdiction of the assessment of power supply capacity；
4th layer is the specific evaluation index of each several part；
Every layer of index comprehensive score is summed after its lower floor's score weighting and obtained, and all indexs are carried out after successively weighted sum,
Finally give the calculating that each layer evaluation index is pre-set in assessment area operation level and power supply capacity comprehensive score, processor
Automatic result of calculation after formula, data needed for obtaining.
2. power network diagnosis of the status quo analysis system according to claim 1, it is characterised in that each block supply company is transported
After the gentle power supply capacity comprehensive score of water-filling, net provincial company collects after affiliated prefecture-level company is weighted obtains net province public affairs
The assessment score of department, weighting weight is that regional distribution evaluation year electricity sales amount accounts for the ratio that year total electricity sales amount is evaluated in the whole province's distribution.
3. power network diagnosis of the status quo analysis system according to claim 1, it is characterised in that the integrated operation is specifically assessed
Index includes power supply reliability RS1, power supply reliability RS3, integrated voltage qualification rate and 10kV line losses per unit；Circuit, which is specifically assessed, to be referred to
The line that mark includes the heavily loaded ratio of overhead transmission line fault rate, cable line fault rate, circuit underloading ratio, circuit, operation surpasses 30 years
Road ratio, line insulation rate；The specific evaluation index of distribution transforming includes distribution transforming fault rate, high loss and surpasses 30 years with control with changed scale, operation
With control with changed scale, the circuit ratio of distribution transforming underloading, distribution transforming heavy duty circuit ratio, distribution transforming information gathering rate；Switch is specific to be assessed
Index includes switch fault rate, the switch ratio that operation surpasses 20 years, switch oil-free rate, switch " two is distant " rate；Distribution power supply point
Specific evaluation index includes capacity-load ratio, main transformer and meets N-1 ratios, power supply capacity and transmittability matching rate；Distribution network is specific
Evaluation index meets N-1 ratios, circuit contact rate including circuit, has the circuit ratio of contact, distribution transforming to overload with different substation
Circuit ratio, overload circuit ratio, the averagely exceeded overhead transmission line ratio of segmentation capacity, dress see the exceeded circuit ratio of capacity.
4. power network diagnosis of the status quo analysis system according to claim 3, it is characterised in that each index weights distribution is such as
Shown in following table：
5. power network diagnosis of the status quo analysis system according to claim 1, it is characterised in that the specific evaluation index is calculated
Required data source can pass through PMS systems, work bill system, operation ticket system, power quality system, marketing support system, demand
Side monitoring system and dispatch automated system are obtained automatically, and obtaining can be according to each index calculation formula and each index weights after data
Distribution calculates assessment area operation level and power supply capacity comprehensive score.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189031A (en) * | 2019-05-31 | 2019-08-30 | 国网山东省电力公司经济技术研究院 | A kind of power distribution network diagnosis index classification method based on regression analysis on factors |
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Application publication date: 20171024 |