CN105956377B - Region filth appraisal procedure and system and insulator dirty degree appraisal procedure and system - Google Patents
Region filth appraisal procedure and system and insulator dirty degree appraisal procedure and system Download PDFInfo
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Abstract
The present invention relates to region filth appraisal procedure and system and insulator dirty degree appraisal procedure and system, a kind of region filth appraisal procedure based on sample point based on sample point, obtains at sample point each pollutant concentration at each pollutant concentration and each valuation point；The pollution degree of each valuation point is calculated according to pollutant concentration each at each pollutant concentration at the pollution degree of sample point, sample point and valuation point.It effectively considers that pollutant concentration influences the pollution degree of sample point and valuation point in background environment, while pollution degree manual sampling work is reduced, realizes region filth accurate evaluation.And by a kind of region filth appraisal procedure based on sample point, apply to the assessment of electric transmission line isolator pollution degree, the insulator dirty degree of valuation shaft tower is calculated by the insulator dirty degree for sampling shaft tower, while work is down-sampled, electric transmission line isolator pollution degree accurate evaluation is realized.
Description
Technical field
The present invention relates to data analysis technique fields, more particularly to region filth appraisal procedure and system and insulator contamination
Spend appraisal procedure and system.
Background technology
There are many method of assessment electric transmission line isolator pollution degree at present, such as：It is monitored on-line using light sensing, leakage current
Monitoring and insulator artificial sampling etc..Wherein, insulator artificial samples：By measuring insulator surface salt density value and the close value of ash,
To assess the method for insulator dirty degree, since its is easy to operate, and result is accurate, and utilization is most extensive.But each takes
The pollution degree of sample insulator, the pollution degree of the insulator of shaft tower where accurate can only representing sampling insulator, for transmission of electricity
The pollution degree of the insulator of other shaft towers of circuit need to resample.Power system transmission line is various, and insulator is located at shaft tower
Higher position, therefore, insulator dirty degree manual sampling heavy workload need to expend a large amount of manpower and materials.
Invention content
It is an object of the present invention to provide a kind of region filth appraisal procedure based on sample point and system and a kind of transmission lines of electricity
Insulator dirty degree appraisal procedure and system solve the above-mentioned problems in the prior art.
The technical solution that the present invention solves above-mentioned technical problem is as follows：
A kind of region filth appraisal procedure based on sample point, includes the following steps：
Step 11, the pollution degree of sample point is acquired, and each valuation point in the first preset range is determined centered on sample point；
Step 12, each pollutant concentration and each pollutant concentration at each valuation point at the sample point are obtained；
Step 13, according to each pollutant concentration at the pollution degree of the sample point and the sample point, neural network is utilized
Model establishes the relationship of pollutant concentration and pollution degree, and based on the relationship, according to each pollutant concentration at the valuation point
Calculate the pollution degree of each valuation point.
The beneficial effects of the invention are as follows：Based on sample point, each pollutant concentration and each valuation at sample point are obtained
Each pollutant concentration at point；Each pollutant concentration at pollution degree and sample point further according to sample point, using neural network model,
Establish the relationship of pollutant concentration and pollution degree；The relationship is finally based on, is calculated according to pollutant concentration each at valuation point every
The pollution degree of a valuation point.It effectively considers that pollutant concentration influences the pollution degree of sample point and valuation point in background environment,
Pollution degree manual sampling work is being reduced, while using manpower and material resources sparingly, is realizing region filth accurate evaluation.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the specific implementation of the step 12 includes the following steps：
Step 121, it by the second preset range, is determined centered on the sample point and each valuation point respectively described
Each dirty source point of sample point and each dirty source point of each valuation point；
Step 122, according to the pollutant kind of each dirty source point and its discharge capacity and each dirty source point to its corresponding sample
Distance and the direction of point or valuation point calculate each pollutant concentration and each pollutant at each valuation point at the sample point
Concentration.
The advantageous effect of the further technical solution is：Effectively consider in background environment dirty source point be influence sample point and
The principal element of each pollutant concentration at valuation point, according to the pollutant kind of each dirty source point and its discharge capacity and each dirt
Source point calculates at the sample point each pollutant concentration and each described to the distance and direction of its corresponding sample point or valuation point
Each pollutant concentration at valuation point is avoided manually acquiring pollutant concentration, be used manpower and material resources sparingly.
Further, the specific implementation of the step 122 includes the following steps：
Step 1221, according to following first formula, each dirty source point is calculated to each dirt at its corresponding sample point or valuation point
Contaminate the contribution margin of object concentration；
First formula is as follows：
Wherein, the α is wind frequencies of any dirt source point i at its corresponding sample point or valuation point direction, by described
One dirt source point i is obtained to the direction of its corresponding sample point or valuation point according to rose wind rose；The x is any dirty source
Point i is to the distance of its corresponding sample point or valuation point；The Q is certain pollutant discharge amount of any dirty source point i；It is described
δ is diffusion coefficient；The FiIt is any dirt source point i to certain described pollutant concentration at its corresponding sample point or valuation point
Contribution margin；
Step 1222, according to following second formula, each pollutant concentration and each valuation at the sample point are calculated
Each pollutant concentration at point；
Second formula is as follows：
Wherein, the N is the corresponding sample point of any dirty source point i or the dirty source point number of valuation point, i ∈ 1,2,
3 ... N }, the F is certain described pollutant concentration at the corresponding sample point of any dirty source point i or valuation point.
The advantageous effect of the further technical solution is：It effectively considers and is existed according to Gaussian theorem pollutant concentration
The influence of Normal Distribution and wind direction to pollutant concentration in air improves each pollutant concentration and each institute at sample point
State the computational accuracy of each pollutant concentration at valuation point.
Another technical solution of the present invention is as follows：
A kind of electric transmission line isolator pollution degree appraisal procedure, includes the following steps：
Step 21, it determines that transmission line of electricity samples shaft tower, using the sampling shaft tower as sample point, acquires the sampling shaft tower
Pollution degree of the insulator dirty degree as the sample point；
Step 22, according to the pollution degree of the sample point and the sample point, by a kind of above-mentioned region based on sample point
Filthy appraisal procedure calculates the insulator dirty degree of each valuation shaft tower in the first preset range.
The beneficial effects of the invention are as follows：By a kind of region filth appraisal procedure based on sample point, apply to transmit electricity
The assessment of line insulator pollution degree calculates the insulator dirty degree of valuation shaft tower by the insulator dirty degree for sampling shaft tower,
While work is down-sampled, electric transmission line isolator pollution degree accurate evaluation is realized.
Based on the above technical solution, the present invention can also be improved as follows.
Further, it is described to acquire being implemented as the insulator dirty degree for sampling shaft tower：Acquire the thief rod
The pollution degree of the SI semi-insulation sub-pieces of tower, and average, using the average value as the insulator contamination of the sampling shaft tower
Degree.
The advantageous effect of the further technical solution is：The method averaged by multi collect reduces acquisition and misses
Difference.
Another technical solution of the present invention is as follows：
A kind of region filth assessment system based on sample point, it is dense including acquisition module, valuation point determining module, pollutant
Spend acquisition module and valuation point pollution degree computing module；
The acquisition module is used to acquire the pollution degree of sample point；
The valuation point determining module is used to determine each valuation point in the first preset range centered on sample point；
The pollutant concentration acquisition module is used to obtain each pollutant concentration at the sample point and estimates with each described
Each pollutant concentration at value point；
The valuation point pollution degree computing module is used for according to each at the pollution degree of the sample point and the sample point
Pollutant concentration using neural network model, establishes the relationship of pollutant concentration and pollution degree, and be based on the relationship, according to
Each pollutant concentration calculates the pollution degree of each valuation point at the valuation point.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the pollutant concentration acquisition module includes dirty source point determination unit and pollutant concentration computing unit；
The dirt source point determination unit is used for by the second preset range, described with the sample point and each respectively to estimate
Each dirty source point of the sample point and each dirty source point of each valuation point are determined centered on value point；
The pollutant concentration computing unit is used for according to the pollutant kind and its discharge capacity of each dirty source point and institute
Each dirty source point is stated to the distance and direction of its corresponding sample point or valuation point, calculates at the sample point each pollutant concentration and often
Each pollutant concentration at a valuation point.
Further, the pollutant concentration computing unit includes first pollution object concentration computation subunit and the second pollutant
Concentration computation subunit；
The first pollution object concentration computation subunit is used for according to following first formula, calculates each dirty source point pair
The contribution margin of each pollutant concentration at its corresponding sample point or valuation point；
First formula is as follows：
Wherein, the α is wind frequencies of any dirt source point i at its corresponding sample point or valuation point direction, by described
One dirt source point i is obtained to the direction of its corresponding sample point or valuation point according to rose wind rose；The x is any dirty source
Point i is to the distance of its corresponding sample point or valuation point；The Q is certain pollutant discharge amount of any dirty source point i；It is described
δ is diffusion coefficient；The FiIt is any dirt source point i to certain described pollutant concentration at its corresponding sample point or valuation point
Contribution margin；
The second pollutant concentration computation subunit is used to, according to following second formula, calculate at the sample point
Each pollutant concentration at each pollutant concentration and each valuation point；
Second formula is as follows：
Wherein, the N is the corresponding sample point of any dirty source point i or the dirty source point number of valuation point, i ∈ 1,2,
3 ... N }, the F is certain described pollutant concentration at the corresponding sample point of any dirty source point i or valuation point.
Another technical solution of the present invention is as follows：
A kind of electric transmission line isolator pollution degree assessment system, including sampling shaft tower determining module, sampling shaft tower insulator
Pollution degree acquisition module, drive module and the region filth evaluation subsystem based on sample point；
The region filth evaluation subsystem based on sample point, for a kind of above-mentioned region filth assessment based on sample point
System；
The sampling shaft tower determining module is used to determine that transmission line of electricity samples shaft tower；
The sampling shaft tower insulator dirty degree acquisition module is used to acquire the insulator contamination of the sampling shaft tower
Degree；
Drive module is used for using the sampling shaft tower as sample point, by the insulator dirty degree of the sampling shaft tower
Pollution degree as the sample point；The region filth evaluation subsystem work based on sample point is driven, calculates the first default model
Enclose the insulator dirty degree of interior each valuation shaft tower.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the sampling shaft tower insulator dirty degree acquisition module concrete function is：Acquire the sampling shaft tower
The pollution degree of SI semi-insulation sub-pieces, and average, using the average value as the insulator dirty degree of the sampling shaft tower.
Description of the drawings
Fig. 1 is a kind of method flow diagram of the region filth appraisal procedure based on sample point of the present invention；
Fig. 2 is a kind of system principle diagram of the region filth assessment system based on sample point of the present invention；
Fig. 3 is a kind of system principle diagram of electric transmission line isolator pollution degree assessment system of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, a kind of region filth appraisal procedure based on sample point, includes the following steps：
Step 11, the pollution degree of sample point is acquired, and each valuation point in the first preset range is determined centered on sample point；
Step 12, each pollutant concentration and each pollutant concentration at each valuation point at the sample point are obtained；
The specific implementation of the step 12 includes the following steps：
Step 121, it by the second preset range, is determined centered on the sample point and each valuation point respectively described
Each dirty source point of sample point and each dirty source point of each valuation point；
Step 122, according to the pollutant kind of each dirty source point and its discharge capacity and each dirty source point to its corresponding sample
Distance and the direction of point or valuation point calculate each pollutant concentration and each pollutant at each valuation point at the sample point
Concentration.
The specific implementation of the step 122 includes the following steps：
Step 1221, according to following first formula, each dirty source point is calculated to each dirt at its corresponding sample point or valuation point
Contaminate the contribution margin of object concentration；
First formula is as follows：
Wherein, the α is wind frequencies of any dirt source point i at its corresponding sample point or valuation point direction, by described
One dirt source point i is obtained to the direction of its corresponding sample point or valuation point according to rose wind rose；The x is any dirty source
Point i is to the distance of its corresponding sample point or valuation point；The Q is certain pollutant discharge amount of any dirty source point i；It is described
δ is diffusion coefficient；The FiIt is any dirt source point i to certain described pollutant concentration at its corresponding sample point or valuation point
Contribution margin；
Step 1222, according to following second formula, each pollutant concentration and each valuation at the sample point are calculated
Each pollutant concentration at point；
Second formula is as follows：
Wherein, the N is the corresponding sample point of any dirty source point i or the dirty source point number of valuation point, i ∈ 1,2,
3 ... N }, the F is certain described pollutant concentration at the corresponding sample point of any dirty source point i or valuation point.
Step 13, according to each pollutant concentration at the pollution degree of the sample point and the sample point, neural network is utilized
Model establishes the relationship of pollutant concentration and pollution degree, and based on the relationship, according to each pollutant concentration at the valuation point
Calculate the pollution degree of each valuation point.
The neural network model is the certain mechanism and mechanism for simulating biological brain, carries out a kind of mathematics of information processing
Model.The present invention is a kind of Multi-layered Feedforward Networks trained by Back Propagation Algorithm, is mesh using BP neural network model
One of preceding most widely used neural network model.BP neural network model topology structure includes input layer, hidden layer and output layer,
Full connection is realized between each layer.By largely analyzing, pollution degree depends primarily on the pollutant concentration of its ambient enviroment, because
This, chooses input of each pollutant concentration as BP neural network model at sample point, and the pollution degree of sample point is hidden as output
Layer takes one layer.
A kind of electric transmission line isolator pollution degree appraisal procedure, includes the following steps：
Step 21, it determines that transmission line of electricity samples shaft tower, using the sampling shaft tower as sample point, acquires the sampling shaft tower
Pollution degree of the insulator dirty degree as the sample point；
The insulator dirty degree of the acquisition sampling shaft tower is implemented as：Acquire the part of the sampling shaft tower
The pollution degree of sub-pieces, and average, using the average value as the insulator dirty degree of the sampling shaft tower.
Step 22, according to the pollution degree of the sample point and the sample point, by a kind of above-mentioned region based on sample point
Filthy appraisal procedure calculates the insulator dirty degree of each valuation shaft tower in the first preset range.
As shown in Fig. 2, a kind of region filth assessment system based on sample point, mould is determined including acquisition module, valuation point
Block, pollutant concentration acquisition module and valuation point pollution degree computing module；
The acquisition module is used to acquire the pollution degree of sample point；
The valuation point determining module is used to determine each valuation point in the first preset range centered on sample point；
The pollutant concentration acquisition module is used to obtain each pollutant concentration at the sample point and estimates with each described
Each pollutant concentration at value point；
The pollutant concentration acquisition module includes dirty source point determination unit and pollutant concentration computing unit；
The dirt source point determination unit is used for by the second preset range, described with the sample point and each respectively to estimate
Each dirty source point of the sample point and each dirty source point of each valuation point are determined centered on value point；
The pollutant concentration computing unit is used for according to the pollutant kind and its discharge capacity of each dirty source point and institute
Each dirty source point is stated to the distance and direction of its corresponding sample point or valuation point, calculates at the sample point each pollutant concentration and often
Each pollutant concentration at a valuation point.
The pollutant concentration computing unit includes first pollution object concentration computation subunit and the second pollutant concentration meter
Operator unit；
The first pollution object concentration computation subunit is used for according to following first formula, calculates each dirty source point pair
The contribution margin of each pollutant concentration at its corresponding sample point or valuation point；
First formula is as follows：
Wherein, the α is wind frequencies of any dirt source point i at its corresponding sample point or valuation point direction, by described
One dirt source point i is obtained to the direction of its corresponding sample point or valuation point according to rose wind rose；The x is any dirty source
Point i is to the distance of its corresponding sample point or valuation point；The Q is certain pollutant discharge amount of any dirty source point i；It is described
δ is diffusion coefficient；The FiIt is any dirt source point i to certain described pollutant concentration at its corresponding sample point or valuation point
Contribution margin；
The second pollutant concentration computation subunit is used to, according to following second formula, calculate at the sample point
Each pollutant concentration at each pollutant concentration and each valuation point；
Second formula is as follows：
Wherein, the N is the corresponding sample point of any dirty source point i or the dirty source point number of valuation point, i ∈ 1,2,
3 ... N }, the F is certain described pollutant concentration at the corresponding sample point of any dirty source point i or valuation point.
The valuation point pollution degree computing module is used for according to each at the pollution degree of the sample point and the sample point
Pollutant concentration using neural network model, establishes the relationship of pollutant concentration and pollution degree, and be based on the relationship, according to
Each pollutant concentration calculates the pollution degree of each valuation point at the valuation point.
As shown in figure 3, a kind of electric transmission line isolator pollution degree assessment system, including sampling shaft tower determining module, sampling
Shaft tower insulator dirty degree acquisition module, drive module and the region filth evaluation subsystem based on sample point；
The region filth evaluation subsystem based on sample point, for a kind of above-mentioned region filth assessment based on sample point
System；
The sampling shaft tower determining module is used to determine that transmission line of electricity samples shaft tower；
The sampling shaft tower insulator dirty degree acquisition module is used to acquire the insulator contamination of the sampling shaft tower
Degree；
It is described sampling shaft tower insulator dirty degree acquisition module concrete function be：Acquire the SI semi-insulation of the sampling shaft tower
The pollution degree of sub-pieces, and average, using the average value as the insulator dirty degree of the sampling shaft tower.
Drive module is used for using the sampling shaft tower as sample point, by the insulator dirty degree of the sampling shaft tower
Pollution degree as the sample point；The region filth evaluation subsystem work based on sample point is driven, calculates the first default model
Enclose the insulator dirty degree of interior each valuation shaft tower.
Wherein, the pollution degree includes salt density value and the close value of ash.First preset range be using the sample point in
The heart, using the first preset length as the circle of radius；According to practical experience, the shaft tower in 5 kilometer ranges is in same background environment, it
Insulator dirty degree there is certain contact, therefore, first preset length can be 5 kilometers；Can be then interval by 10 kilometers
It determines that transmission line of electricity samples shaft tower, centered on sampling shaft tower, draws circle for radius with 5 kilometers, every other shaft tower is in circle
Valuation shaft tower, the valuation shaft tower are the valuation point in a kind of above-mentioned region filth appraisal procedure based on sample point.Described
Two preset ranges are respectively centered on the sample point and each valuation point, using the second preset length as the circle of radius；
For example, second preset length can be set as 5 kilometers.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of region filth appraisal procedure based on sample point, which is characterized in that include the following steps：
Step 11, the pollution degree of sample point is acquired, and each valuation point in the first preset range is determined centered on sample point；
Step 12, each pollutant concentration and each pollutant concentration at each valuation point at the sample point are obtained；
Step 13, according to each pollutant concentration at the pollution degree of the sample point and the sample point, using neural network model,
The relationship of pollutant concentration and pollution degree is established, and based on the relationship, is calculated according to pollutant concentration each at the valuation point
The pollution degree of each valuation point；
The specific implementation of the step 12 includes the following steps：
Step 121, by the second preset range, the sampling is determined centered on the sample point and each valuation point respectively
Each dirty source point of point and each dirty source point of each valuation point；
Step 122, according to the pollutant kind of each dirty source point and its discharge capacity and each dirty source point to its corresponding sample point or
It is dense to calculate each pollutant concentration and each pollutant at each valuation point at the sample point for the distance of valuation point and direction
Degree；
The specific implementation of the step 122 includes the following steps：
Step 1221, according to following first formula, each dirty source point is calculated to each pollutant at its corresponding sample point or valuation point
The contribution margin of concentration；
First formula is as follows：
Wherein, the α is wind frequencies of any dirt source point i at its corresponding sample point or valuation point direction, by any dirt
Source point i is obtained to the direction of its corresponding sample point or valuation point according to rose wind rose；The x is arrived for any dirt source point i
The distance of its corresponding sample point or valuation point；The Q is certain pollutant discharge amount of any dirty source point i；The δ is expands
Dissipate coefficient；The FiFor tributes of any dirt source point i to certain pollutant concentration at its corresponding sample point or valuation point
Offer value；
Step 1222, it according to following second formula, calculates at the sample point at each pollutant concentration and each valuation point
Each pollutant concentration；
Second formula is as follows：
Wherein, the N is the corresponding sample point of any dirty source point i or the dirty source point number of valuation point, i ∈ { 1,2,3 ...
N }, the F is certain described pollutant concentration at the corresponding sample point of any dirty source point i or valuation point.
2. a kind of electric transmission line isolator pollution degree appraisal procedure, which is characterized in that include the following steps：
Step 21, it determines that transmission line of electricity samples shaft tower, using the sampling shaft tower as sample point, acquires the exhausted of the sampling shaft tower
Pollution degree of the edge pollution degree as the sample point；
Step 22, it is a kind of based on sample point as described in claim 1 according to the pollution degree of the sample point and the sample point
Filth appraisal procedure in region calculates the insulator dirty degree of each valuation shaft tower in the first preset range.
A kind of 3. electric transmission line isolator pollution degree appraisal procedure according to claim 2, which is characterized in that the acquisition institute
State being implemented as the insulator dirty degree of sampling shaft tower：The pollution degree of the SI semi-insulation sub-pieces of the sampling shaft tower is acquired,
And average, using the average value as the insulator dirty degree of the sampling shaft tower.
4. a kind of region filth assessment system based on sample point, which is characterized in that determine mould including acquisition module, valuation point
Block, pollutant concentration acquisition module and valuation point pollution degree computing module；
The acquisition module is used to acquire the pollution degree of sample point；
The valuation point determining module is used to determine each valuation point in the first preset range centered on sample point；
The pollutant concentration acquisition module is used to obtain each pollutant concentration and each valuation point at the sample point
Locate each pollutant concentration；
The valuation point pollution degree computing module is used to respectively pollute according at the pollution degree of the sample point and the sample point
Object concentration using neural network model, establishes the relationship of pollutant concentration and pollution degree, and based on the relationship, according to described
Each pollutant concentration calculates the pollution degree of each valuation point at valuation point；
The pollutant concentration acquisition module includes dirty source point determination unit and pollutant concentration computing unit；
The dirt source point determination unit is used for by the second preset range, respectively with the sample point and each valuation point
Centered on determine each dirty source point of the sample point and each dirty source point of each valuation point；
The pollutant concentration computing unit is used for according to the pollutant kind and its discharge capacity of each dirty source point and described each
Dirty source point calculates each pollutant concentration and each institute at the sample point to the distance and direction of its corresponding sample point or valuation point
State each pollutant concentration at valuation point；
The pollutant concentration computing unit includes first pollution object concentration computation subunit and the second pollutant concentration calculates son
Unit；
The first pollution object concentration computation subunit is used for according to following first formula, and it is right to its to calculate each dirty source point
Answer the contribution margin of each pollutant concentration at sample point or valuation point；
First formula is as follows：
Wherein, the α is wind frequencies of any dirt source point i at its corresponding sample point or valuation point direction, by any dirt
Source point i is obtained to the direction of its corresponding sample point or valuation point according to rose wind rose；The x is arrived for any dirt source point i
The distance of its corresponding sample point or valuation point；The Q is certain pollutant discharge amount of any dirty source point i；The δ is expands
Dissipate coefficient；The FiFor tributes of any dirt source point i to certain pollutant concentration at its corresponding sample point or valuation point
Offer value；
The second pollutant concentration computation subunit is used to, according to following second formula, calculate each dirt at the sample point
Contaminate each pollutant concentration at object concentration and each valuation point；
Second formula is as follows：
Wherein, the N is the corresponding sample point of any dirty source point i or the dirty source point number of valuation point, i ∈ { 1,2,3 ...
N }, the F is certain described pollutant concentration at the corresponding sample point of any dirty source point i or valuation point.
5. a kind of electric transmission line isolator pollution degree assessment system, which is characterized in that including sampling shaft tower determining module, thief rod
Tower insulator dirty degree acquisition module, drive module and the region filth evaluation subsystem based on sample point；
The region filth evaluation subsystem based on sample point is that a kind of region based on sample point is dirty described in claim 4
Dirty assessment system；
The sampling shaft tower determining module is used to determine that transmission line of electricity samples shaft tower；
The sampling shaft tower insulator dirty degree acquisition module is used to acquire the insulator dirty degree of the sampling shaft tower；
Drive module is used for using the sampling shaft tower as sample point, using the insulator dirty degree for sampling shaft tower as
The pollution degree of the sample point；The region filth evaluation subsystem work based on sample point is driven, is calculated in the first preset range
The insulator dirty degree of each valuation shaft tower.
A kind of 6. electric transmission line isolator pollution degree assessment system according to claim 5, which is characterized in that the thief rod
Tower insulator dirty degree acquisition module concrete function is：The pollution degree of the SI semi-insulation sub-pieces of the sampling shaft tower is acquired, and is asked
Average value, using the average value as the insulator dirty degree of the sampling shaft tower.
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| 光技术盐密在线监测系统的研究;万德春;《高电压技术》;20050830;第31卷(第8期);第33-35页 * |
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