CN104268793A - Power grid unclean area distribution diagram dynamic revising method based on atmospheric environment quality - Google Patents
Power grid unclean area distribution diagram dynamic revising method based on atmospheric environment quality Download PDFInfo
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- CN104268793A CN104268793A CN201410477402.0A CN201410477402A CN104268793A CN 104268793 A CN104268793 A CN 104268793A CN 201410477402 A CN201410477402 A CN 201410477402A CN 104268793 A CN104268793 A CN 104268793A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses a power grid unclean area distribution diagram dynamic revising method based on the atmospheric environment quality. The method includes the following steps of conducting natural pollutant accumulation on insulator chains hung on a grid line in advance, measuring the pollutant accumulation amounts of insulators at equal intervals, conducting fitting according to air pollutant monitoring data of the environment protecting department to obtain an insulator pollutant accumulation amount digital model, establishing the relationship between an atmospheric environment quality index and a power grid pollution grade, conducting overlapping to establish a basic bottom graph and a power grid unclean area distribution coloring graph layer of the power grid unclean area distribution diagram, and dividing the basic bottom graph and the power grid unclean area distribution coloring graph layer into image sub-areas, determining the new power grid pollution grade of each image sub-area according to the new air pollutant monitoring data of the environment protection department and the relationship between the atmospheric environment quality index and the power grid pollution grade, and conducting coloring on each image sub-area so as to finally complete the revision. The method can adapt to the rapid change of the atmospheric environment quality, can meet the requirements of power transmission and transformation facilities for external insulation design and adjustment and has the advantages of being high in accuracy, capable of making revision conducted rapidly in real time, and low in implementation cost.
Description
Technical field
The present invention relates to the power transmission and transformation design and running maintenance technology field of electrical network, be specifically related to the dynamic revise method of a kind of power grid pollution area distribution graph based on atmosphere quality.
Background technology
Power grid pollution area distribution graph is widely used in power transmission and transformation design and running to be safeguarded, is the major criterion that power transformating and supplying facility external insulation is selected, and is improve the basic foundation that electrical network anti-soil dodges ability.Current, along with constantly increasing the weight of of various places atmospheric pollution level, atmosphere quality pace of change is constantly accelerated, and makes the regular revision of power grid pollution area distribution graph further lag behind the change of atmosphere quality.Therefore, how to realize the dynamic revision of power grid pollution area distribution graph, make the configuration of power transformating and supplying facility external insulation adapt to the continuous change of atmospheric environment, become the key technical problem that of electrical network antifouling work is urgently to be resolved hurrily.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind ofly can adapt to the Rapid Variable Design of atmosphere quality, meet the needs of power transformating and supplying facility external insulation design and adjustment, accuracy is high, revision fast in real time, the dynamic revise method of the power grid pollution area distribution graph based on atmosphere quality that implementation cost is low.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The dynamic revise method of power grid pollution area distribution graph based on atmosphere quality, implementation step is as follows:
1) power network line in advance near the air pollutants monitoring point of environmental administration hangs insulator chain and carries out Natural contamination, equal time section win insulator chain measure equivalent salt density and ash close as insulator contamination amount, and for described monitoring point, obtain the atmospheric quality indices in the time period of Natural contamination according to the air pollutants Monitoring Data of environmental administration, the insulator contamination amount under described atmospheric quality indices, atmospheric quality indices is carried out matching and obtains insulator contamination amount mathematical model; Distinguish level and external insulation choice criteria according to the insulator contamination amount in insulator contamination amount mathematical model in conjunction with electric system dirt, the basis of insulator contamination amount mathematical model is set up the relation between atmospheric quality indices, electrical network gradation for surface pollution;
2) gradient map and the painted layer of electrical network polluted area distribution that superposition forms power grid pollution area distribution graph is set up, the image-region of described power grid pollution area distribution graph is divided into image region, new air pollutants Monitoring Data according to environmental administration carries out atmospheric quality indices assignment for each image region, according to described atmospheric quality indices, relation between electrical network gradation for surface pollution determines the electrical network gradation for surface pollution that each image region is new, carry out painted according to the electrical network gradation for surface pollution determined each image region to the painted layer of electrical network polluted area distribution respectively, complete according to the new air pollutants Monitoring Data of environmental administration the revision of power grid pollution area distribution graph.
Preferably, specifically refer to according to the air pollutants Monitoring Data of the environmental administration atmospheric quality indices obtained in the time period of Natural contamination the various air pollutants Monitoring Data obtaining environmental administration in described step 1); Weighted method is adopted to calculate atmospheric quality indices described various air pollutants Monitoring Data.
Preferably, described step 2) set up superposition and form the gradient map of power grid pollution area distribution graph and specifically refer to and adopt ArcGIS platform to set up hard copy, use default geographic information database, power transformating and supplying facility database, pollution source database, envirment factor database to set up data subgraph layer respectively, described hard copy, the sub-map overlay of each data are formed described gradient map.
Preferably, described step 2) be square by the image region that the image-region of described power grid pollution area distribution graph divides, all foursquare image regions are the image-region of the described power grid pollution area distribution graph of latticed composition.
Preferably, the physical length that the square length of side of described image region is corresponding is 3 ~ 7km.
The dynamic revise method of power grid pollution area distribution graph that the present invention is based on atmosphere quality has following advantage:
The dynamic revise method of power grid pollution area distribution graph that the present invention is based on atmosphere quality is long for the existing power grid pollution area distribution graph revision cycle, the fast-changing defect of atmosphere quality cannot be adapted to, by hanging insulator chain in advance on power network line and carrying out Natural contamination and measure, and also set up atmospheric quality indices further in conjunction with the air pollutants Monitoring Data matching insulator contamination amount mathematical model of environmental administration, relation between electrical network gradation for surface pollution, new air pollutants Monitoring Data according to environmental administration in working order carries out atmospheric quality indices assignment for each image region, according to atmospheric quality indices, relation between electrical network gradation for surface pollution determines the electrical network gradation for surface pollution that each image region is new, carry out painted according to the electrical network gradation for surface pollution determined each image region to the painted layer of electrical network polluted area distribution respectively, complete according to the new air pollutants Monitoring Data of environmental administration the revision of power grid pollution area distribution graph, thus can realize carrying out local fast according to the new air pollutants Monitoring Data of environmental administration to power grid pollution area distribution graph, dynamic revision, the Rapid Variable Design of atmosphere quality can be adapted to, meet the needs of power transformating and supplying facility external insulation design and adjustment, compare the method for pure Natural contamination or on-line monitoring insulator contamination, save a large amount of expense, there is accuracy high, revision fast in real time, the advantage that implementation cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the basic procedure schematic diagram of the embodiment of the present invention.
Fig. 2 is the basic procedure schematic diagram setting up insulator contamination amount mathematical model in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
As depicted in figs. 1 and 2, the present embodiment is as follows based on the implementation step of the dynamic revise method of power grid pollution area distribution graph of atmosphere quality:
1) power network line in advance near the air pollutants monitoring point of environmental administration hangs insulator chain and carries out Natural contamination, equal time section win insulator chain measure equivalent salt density and ash close as insulator contamination amount, and for monitoring point, obtain the atmospheric quality indices in the time period of Natural contamination according to the air pollutants Monitoring Data of environmental administration, the insulator contamination amount under atmospheric quality indices, atmospheric quality indices is carried out matching and obtains insulator contamination amount mathematical model; Distinguish level and external insulation choice criteria (Q/GDW 152-2006) according to the insulator contamination amount in insulator contamination amount mathematical model in conjunction with electric system dirt, the basis of insulator contamination amount mathematical model is set up the relation between atmospheric quality indices, electrical network gradation for surface pollution.
When the present embodiment sets up insulator contamination amount mathematical model, utilize the air pollutants Monitoring Data of the air pollutants monitoring system of environmental administration, obtain and wherein within continuous 2 years, monitor various air pollutants Monitoring Data; Obtain environmental administration air pollutants monitoring system position coordinate after, take nearby principle, circuit hung insulator chain nearby and carry out Natural contamination, and equal time section win insulation sub-pieces measure its equivalent salt density and ash close.
In the present embodiment, in step 1), the atmospheric quality indices obtained according to the air pollutants Monitoring Data of environmental administration in the time period of Natural contamination specifically refers to the various air pollutants Monitoring Data obtaining environmental administration, weighted method is adopted to calculate atmospheric quality indices various air pollutants Monitoring Data, comprehensive various air pollutants Monitoring Data is carried out by atmospheric quality indices, the computing of insulator contamination amount mathematical model can be simplified, but also the less air pollutants Monitoring Data of some insulator chain contamination on electrical network impact can be revised flexibly by the weighting of various air pollutants Monitoring Data, thus make generate power grid pollution area distribution graph more accurately and reliably.
2) gradient map and the painted layer of electrical network polluted area distribution that superposition forms power grid pollution area distribution graph is set up, the image-region of power grid pollution area distribution graph is divided into image region, new air pollutants Monitoring Data according to environmental administration carries out atmospheric quality indices assignment for each image region, according to atmospheric quality indices, relation between electrical network gradation for surface pollution determines the electrical network gradation for surface pollution that each image region is new, carry out painted according to the electrical network gradation for surface pollution determined each image region to the painted layer of electrical network polluted area distribution respectively, complete according to the new air pollutants Monitoring Data of environmental administration the revision of power grid pollution area distribution graph.
In the present embodiment, step 2) set up superposition and form the gradient map of power grid pollution area distribution graph and specifically refer to and adopt ArcGIS platform to set up hard copy, default geographic information database, power transformating and supplying facility database, pollution source database, envirment factor database is used to set up data subgraph layer respectively, by hard copy, each data sub-map overlay formation base base map.
In the present embodiment, step 2) image region that divided by the image-region of power grid pollution area distribution graph is square, all foursquare image regions are the image-region of latticed composition power grid pollution area distribution graph.
The physical length that the square length of side of image region is corresponding is 3 ~ 7km.In the present embodiment, the physical length that the square length of side of image region is corresponding is specially 5km.
It should be noted that, electrical network polluted area distribution is actively complicated data, the present embodiment completes according to the new air pollutants Monitoring Data of environmental administration to after the revision of power grid pollution area distribution graph, can also carry out Local Artificial adjustment with the degree of accuracy increasing power grid pollution area distribution graph based on practical operating experiences.
To sum up, the present embodiment is by setting up the insulator contamination amount mathematical model based on atmosphere quality, set up atmospheric quality indices, relation between electrical network gradation for surface pollution, set up superposition and form power grid pollution area distribution graph, and according to position coordinate information, the regular environmental contaminants database importing renewal, each grid gradation for surface pollution is adjusted automatically, and restain, realize the dynamic revision of power grid pollution area distribution graph, solve traditional power grid pollution area distribution graph drafting cycle long, the fast-changing problem of atmospheric environment can not be adapted to, can according to regional environmental quality, realize the dynamic revision to power grid pollution area distribution graph in the short time, compare Natural contamination, or on-line monitoring insulator contamination method, save a large amount of expense.
The foregoing is only the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment, and every technical scheme belonging to the principle of the invention all belongs to protection scope of the present invention.For a person skilled in the art, some improvements and modifications of carrying out under the prerequisite not departing from principle of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1., based on the dynamic revise method of power grid pollution area distribution graph of atmosphere quality, it is characterized in that implementation step is as follows:
1) power network line in advance near the air pollutants monitoring point of environmental administration hangs insulator chain and carries out Natural contamination, equal time section win insulator chain measure equivalent salt density and ash close as insulator contamination amount, and for described monitoring point, obtain the atmospheric quality indices in the time period of Natural contamination according to the air pollutants Monitoring Data of environmental administration, the insulator contamination amount under described atmospheric quality indices, atmospheric quality indices is carried out matching and obtains insulator contamination amount mathematical model; Distinguish level and external insulation choice criteria according to the insulator contamination amount in insulator contamination amount mathematical model in conjunction with electric system dirt, the basis of insulator contamination amount mathematical model is set up the relation between atmospheric quality indices, electrical network gradation for surface pollution;
2) gradient map and the painted layer of electrical network polluted area distribution that superposition forms power grid pollution area distribution graph is set up, the image-region of described power grid pollution area distribution graph is divided into image region, new air pollutants Monitoring Data according to environmental administration carries out atmospheric quality indices assignment for each image region, according to described atmospheric quality indices, relation between electrical network gradation for surface pollution determines the electrical network gradation for surface pollution that each image region is new, carry out painted according to the electrical network gradation for surface pollution determined each image region to the painted layer of electrical network polluted area distribution respectively, complete according to the new air pollutants Monitoring Data of environmental administration the revision of power grid pollution area distribution graph.
2. the dynamic revise method of the power grid pollution area distribution graph based on atmosphere quality according to claim 1, is characterized in that: the atmospheric quality indices obtained according to the air pollutants Monitoring Data of environmental administration in described step 1) in the time period of Natural contamination specifically refers to the various air pollutants Monitoring Data obtaining environmental administration; Weighted method is adopted to calculate atmospheric quality indices described various air pollutants Monitoring Data.
3. the dynamic revise method of the power grid pollution area distribution graph based on atmosphere quality according to claim 2, it is characterized in that: described step 2) set up superposition and form the gradient map of power grid pollution area distribution graph and specifically refer to and adopt ArcGIS platform to set up hard copy, use default geographic information database, power transformating and supplying facility database, pollution source database, envirment factor database to set up data subgraph layer respectively, described hard copy, the sub-map overlay of each data are formed described gradient map.
4. the dynamic revise method of the power grid pollution area distribution graph based on atmosphere quality according to claim 3, it is characterized in that: described step 2) by the image-region of described power grid pollution area distribution graph divide image region for square, all foursquare image regions are the image-region of the described power grid pollution area distribution graph of latticed composition.
5. the dynamic revise method of the power grid pollution area distribution graph based on atmosphere quality according to claim 4, is characterized in that: the physical length that the square length of side of described image region is corresponding is 3 ~ 7km.
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| CN105037981A (en) * | 2015-07-09 | 2015-11-11 | 国网河南省电力公司平顶山供电公司 | Revise method for polluted area distribution map of composite insulator based on equivalent salt deposit density |
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| CN110046734A (en) * | 2018-12-06 | 2019-07-23 | 广东电网有限责任公司 | Match low pressure power grid grid method for dynamically partitioning and the system of front-end convergence based on battalion |
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