CN113324583A - State evaluation method and system for communication module of distribution automation equipment - Google Patents
State evaluation method and system for communication module of distribution automation equipment Download PDFInfo
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Abstract
The invention discloses a state evaluation method and a state evaluation system for a communication module of distribution automation equipment, wherein a scoring item of the communication module is tested and evaluated to obtain a test evaluation value; performing geometric modeling based on a polygon representation index method to form a symmetrical polygon evaluation system; correcting the coordinate system and the unit of the symmetric polygon according to each test evaluation value; according to different evaluation requirements, the scoring items select corresponding point positions, and a graph is constructed to calculate the area size, so that the comprehensive evaluation score is obtained; refining the comprehensive evaluation score into a plurality of triangles, and checking the evaluation scores of different evaluation items; and performing state evaluation calculation aiming at different paving environments, and proposing a suggestion on subsequent installation in the paving environment. The invention can correctly guide the laying areas of the distribution automation equipment with different evaluation results, and reasonably erect the distribution automation terminal equipment with different evaluation results according to factors such as different laying areas, different natural environments, base station framework layers and the like.
Description
Technical Field
The invention belongs to the technical field of detection of distribution automation equipment, and particularly relates to a state evaluation method and system of a communication module of distribution automation equipment.
Background
The intelligent power distribution network is an important link for the construction of the intelligent power grid, and faces a great difficult problem of how to quickly and accurately locate a fault section when a line fault, particularly a low-current grounding fault, occurs. Distribution automation terminal equipment can accurately detect line fault types through accurate measurement and high-speed wave recording of line current, and locate fault sections rapidly, and carry out data report with information such as fault waveforms and fault SOE through sim card wireless transmission to main website, thereby shorten the response and the processing time of line fault, improve the power supply reliability.
In the field installation process, the whole set of distribution automation terminal equipment is exposed to the external environment, the operating condition of the internal communication module of the distribution automation terminal equipment is directly influenced by objective factors such as rainstorm, snowstorm, sand and dust, the distribution automation terminal equipment is large in quantity due to the fact that the distribution network line is complex, and the stable operation of the communication module is directly related to the positioning accuracy of a fault line. Only if the communication of the distribution automation terminal equipment is normal, correct fault information can be uploaded to a main station for detection, and false alarm or incomplete fault information is reported, so that the distribution network automation application level is directly reduced, and the due value of the distribution automation terminal equipment is lost.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a method and a system for evaluating the state of a communication module of distribution automation equipment.
The invention adopts the following technical scheme.
A state evaluation method of a distribution automation device communication module, the state evaluation method comprising the steps of:
testing and evaluating a grading item of a communication module of distribution automation equipment to obtain a test evaluation value;
secondly, performing geometric modeling based on a polygon representation index method to form a symmetrical polygon evaluation system;
correcting the coordinate system and the unit of the symmetric polygon according to each test evaluation value;
and fourthly, selecting corresponding point positions according to the scoring items aiming at different evaluation requirements, constructing graphs and calculating the area size to obtain comprehensive evaluation scores.
Further, the scoring items include: the wireless communication system comprises an installation structure, a wireless communication long link, a wireless communication packet rate, an operation temperature rise ratio and operation environment humidity.
Further, the state evaluation method further includes:
and refining the overall state comprehensive evaluation score into a plurality of triangles, and checking the evaluation scores of different evaluation items.
Further, the state evaluation method further includes:
and performing state evaluation calculation aiming at different paving environments of the distribution automation equipment, and proposing a suggestion on subsequent installation in the paving environment.
Further, evaluating the installation structure, namely evaluating and scoring the rationality of the installation structure of the communication module to obtain an evaluation score value;
the method comprises the steps of testing a wireless communication long link, namely testing the wireless communication long link of a communication module to obtain a percentage value of the correct rate of the long link test;
testing the wireless communication packet rate, namely testing the wireless communication packet rate of the communication module to obtain a packet rate percentage value;
the operation temperature rise ratio is a temperature rise ratio numerical value of the operation temperature of the communication module of the power distribution automation equipment and the ambient temperature;
and operating the environment humidity value for the communication module of the power distribution automation equipment.
Further, in the step 3,
correcting the coordinate system of the symmetric polygon to enable each test evaluation value to be used as reference quantity data and to be simultaneously presented in the coordinate system; the units of the coordinate system are corrected according to the processing of the reference amount data.
Further, in the step 4,
and selecting corresponding point positions in the coordinate system of the symmetric polygon according to the test evaluation values, wherein the connecting lines form an irregular central polygon, and the coverage area of the irregular central polygon is the state evaluation score of the communication module of the distribution automation equipment.
A state evaluation system for a distribution automation device communication module, comprising: the system comprises a scoring item acquisition module, a geometric modeling module, a correction module and a comprehensive evaluation module;
the scoring item acquisition module is used for acquiring the test evaluation value of each scoring item;
the geometric modeling module is used for constructing a symmetric polygon evaluation system, and the correction module corrects a coordinate system of the symmetric polygon evaluation system according to each test evaluation value;
and the comprehensive evaluation module is based on the symmetric polygon evaluation system, constructs a graph according to the test evaluation value, and calculates the area of the graph to obtain a comprehensive evaluation score.
Further, the state evaluation system also comprises a preset installation opinion module,
and performing state evaluation calculation aiming at different paving environments of the distribution automation equipment, and proposing a suggestion on subsequent installation in the paving environment.
Further, the geometric modeling module performs geometric modeling based on a polygon representation index method to form a symmetric polygon evaluation system;
the polygon representation index method is provided with n indexes, a central regular n-polygon is formed by fixed radiuses, and connecting lines of all the index values form an irregular central n-polygon.
The invention has the advantages that compared with the prior art,
the state evaluation of the distribution automation equipment communication module is obtained by testing and evaluating the five aspects of the installation structure of the distribution automation equipment communication module, the wireless communication long link test, the wireless communication packet rate test, the operation temperature rise ratio and the operation environment humidity and carrying out modeling grading calculation by a polygon representation index method, and the state evaluation is used for guiding the distribution automation equipment laying areas with different evaluation results.
The invention closely conforms to the practical requirement of automation of an intelligent power distribution network, can correctly guide the laying areas of the power distribution automation equipment with different evaluation results, and reasonably erects the power distribution automation terminal equipment with different evaluation results for the power distribution automation terminal equipment with the function and the electrical performance meeting the requirement according to different laying areas, different natural environments, base station framework layers and other factors.
The invention can ensure that the distribution automation terminal equipment with different evaluation results is more reasonably laid, the distribution automation terminal equipment can play the role to the maximum extent, and the practicability of the distribution automation terminal equipment is enhanced.
The invention can also reduce abnormal operation of the communication module of the distribution automation terminal equipment erected in an unreasonable area for a long time, reduce abnormal communication caused by external factors on the communication module of the distribution automation terminal equipment, reduce operation faults which can not be solved in a short time when operation and maintenance personnel are on site, and save a large amount of manpower and time.
Drawings
Fig. 1 is a flow chart of a method for evaluating the status of a communication module of a distribution automation device according to the invention;
fig. 2 is a schematic diagram of the pentagonal evaluation system of the present embodiment.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 1, a method for evaluating a state of a communication module of a distribution automation device according to the present invention includes the following steps:
testing and evaluating five aspects of a communication module installation structure, a wireless communication long link, a wireless communication packet rate, an operation temperature rise ratio, operation environment humidity and the like of distribution automation equipment to obtain a test evaluation value;
analyzing the running state of the running communication module of the distribution automation equipment, and sorting the analysis result, wherein the five aspects of the installation structure, the wireless communication long link, the wireless communication packet rate, the running temperature rise ratio and the running environment humidity of the communication module of the distribution automation equipment are tested and evaluated to obtain a test evaluation value.
In particular, the amount of the solvent to be used,
firstly, checking the installation position of a communication module, and evaluating the rationality of the installation structure of the communication module; the communication module is activated after being provided with the SIM card, long connection test and packet rate evaluation are carried out on the communication module of the distribution automation terminal equipment under a normal environment, the operation temperature rise ratio and the operation environment humidity are measured, and finally, the evaluation score is summarized and analyzed.
And evaluating the installation structure, namely evaluating and scoring the rationality of the installation structure of the communication module to obtain an evaluation score value.
Reasonably evaluating and scoring the integrated position of the communication module, mainly comprising the following steps: close to or away from a door access area, close to or away from a battery area, close to or away from a condensation generating area, etc.
For example, being close to entrance guard's direction of opening and shutting, receiving easily because the resonance of equipment entrance guard under outdoor environment leads to easily attaching to natural factors such as tiny particle dust, rainwater, leads to communication module operation unusual, otherwise, can effectively ensure that the protection mainboard receives the natural climate influence.
And (3) testing the wireless communication long link, namely obtaining a percentage value of the correct rate of the long link test for testing the wireless communication long link of the communication module.
And testing the wireless communication packet rate, namely testing the wireless communication packet rate of the communication module to obtain a packet rate percentage value.
The operation temperature rise ratio is a temperature rise ratio numerical value of the operation temperature of the communication module of the distribution automation equipment and the ambient temperature.
And operating the environment humidity value for the communication module of the power distribution automation equipment.
The wireless communication long-link test and the packet rate test result tested by the communication module of the distribution automation equipment reflect the real wireless transmission capability, and the long-link test comprises a plurality of remote signaling data structures and additional time marks; the packet rate test reversely verifies the data loss condition in the data transmission process.
The operation temperature rise ratio and the humidity of the communication module of the power distribution automation equipment can be well verified, and the influence quantity of different working conditions on data transmission of the communication module in the operation process can be well verified.
Secondly, performing geometric modeling based on a polygon representation index method to form a symmetrical polygon evaluation system;
the polygon map index method is provided with n indexes, a central regular n-polygon is formed by fixed radiuses, and a connecting line of all the index values forms an irregular central n-polygon. The polygon map index method has both single index and comprehensive index, and has both geometric visual diagram and algebraic analytic numerical value, both static index and dynamic trend.
In the embodiment of the present invention, as shown in fig. 2, the state evaluation method of the distribution automation equipment communication module introduces a symmetric pentagonal scoring principle, and forms a closed pentagonal shape by using various test and evaluation results in a pentagonal evaluation system, and the closed pentagonal shape includes a plurality of triangles.
The state evaluation score of the communication module of the distribution automation equipment starts from a point O, and OA represents a percentage value of the wireless communication long-link test accuracy of the communication module of the distribution automation equipment; OB represents a percentage value of a packet rate test of a communication module of the distribution automation equipment; OC represents a temperature rise ratio value of the operating temperature of the communication module of the distribution automation equipment and the ambient temperature; OD represents the operation environment humidity value of the communication module of the distribution automation equipment; OE denotes the distribution automation device communication module installation rationality evaluation score value.
But not limited to five test requirements, and the scoring items can be added properly according to the actual test requirements.
Correcting the coordinate system of the symmetrical polygon to enable each test evaluation value to be used as reference quantity data and to be simultaneously presented in the coordinate system; correcting the unit of the coordinate system according to the processing of the reference amount data;
the symmetrical polygonal coordinate system is adapted, so that the percentage of the long connection test accuracy, the packet acquisition accuracy test, the operating temperature rise ratio, the operating humidity and the numerical value of the installation position can be taken as reference quantity data to be shown in the coordinate system.
Selecting corresponding point positions according to the evaluation items under the same technical requirements according to different evaluation requirements, constructing a graph, and calculating the area of the graph, wherein the size of the area reflects the comprehensive evaluation score;
the stability of the communication module of the distribution automation terminal equipment is evaluated by the area of the pentagonal area, and the area of the area where the pentagonal area is located covers the communication capacity, the operation temperature rise ratio capacity and the operation humidity capacity, so that the comprehensive evaluation result of the state of the distribution automation terminal equipment is determined.
Step five, the comprehensive score of the overall state evaluation can be refined into a plurality of triangles, and the evaluation scores of different evaluation items are checked;
for example, a larger AOB area indicates a stronger wireless communication capability; the larger the area of COD is, the stronger the resistance to the external severe climate is; the larger the ABC area is, the higher the compatibility of the temperature of the installation area is, the greater the compatibility is, the ABC area can be installed in an area with long illumination time and high intensity, and the wireless communication capability meets the requirement; the larger the area of the ACD is, the higher the compatibility of the humidity of an installation area is, the higher the humidity of the installation area can be, the ACD can be installed in areas with higher humidity in the air such as coastal areas, basins and the like, and the wireless communication capacity can meet the requirements.
Step six, presetting different laying environments of the distribution automation equipment, carrying out state evaluation on a preset running state, and proposing a suggestion on the subsequent installation of the laying area;
for example, the graph is divided into areas suitable for severe weather and areas suitable for severe communication, and triangles are respectively formed on the test data values; and (3) introducing a region area calculation method, evaluating a communication module of the distribution automation terminal equipment, and proposing a reference suggestion to a subsequent laying region.
Dividing the graph into a high-intensity illumination area and a high-humidity environment area, and respectively forming a triangle in the test data value; and in a high-intensity illumination area and a high-humidity environment area, evaluating the power distribution automation terminal equipment module according to the area of the triangle, and providing reference opinions for a subsequent laying area.
Therefore, the invention provides a scoring calculation method by means of geometric modeling, which is used for carrying out state evaluation on the current operating state of the communication module of the distribution automation terminal equipment and providing suggestions for subsequent laying and installation.
The method comprises the steps that after state evaluation is carried out on a communication module of the distribution automation terminal equipment in a normal environment, an installation position, a long connection test, a packet rate test, an operation temperature rise ratio and an operation humidity test evaluation score are obtained, wherein the long connection test, the packet rate test and the installation position evaluation are quantitative, and if the stability of the long connection test and the packet rate test of the communication module is reduced after the environment temperature and the humidity are increased, the equipment can only be applied to an area with little change of external environment factors; if the long connection test and the bag obtaining rate test are still stable after the temperature and the humidity are changed, the equipment can be applied to the area with the severe external environment, and the area increase of the numerical coverage area can be directly evaluated by visual inspection to obtain the evaluation result.
The invention relates to a state evaluation system for a communication module of distribution automation equipment, which comprises: the system comprises a scoring item acquisition module, a geometric modeling module, a correction module and a comprehensive evaluation module.
The scoring item acquisition module is used for acquiring the test evaluation value of each scoring item; the geometric modeling module is used for constructing a symmetric polygon evaluation system, and the correction module corrects a coordinate system of the symmetric polygon evaluation system according to each test evaluation value; and the comprehensive evaluation module is based on the symmetric polygon evaluation system, constructs a graph according to the test evaluation value, and calculates the area of the graph to obtain a comprehensive evaluation score.
The system further comprises a preset installation suggestion module, wherein the preset installation suggestion module is used for presetting different laying environments of the distribution automation equipment, carrying out state evaluation on a preset running state and proposing suggestions for subsequent installation of the laying area.
In particular, the amount of the solvent to be used,
and the scoring item acquisition module is used for analyzing each scoring item of the running state of the running distribution automation equipment communication module and sorting the analysis result, and the scoring item acquisition module tests and evaluates the five aspects of the installation structure, the wireless communication long link, the wireless communication packet rate, the running temperature rise ratio and the running environment humidity of the distribution automation equipment communication module to obtain a test evaluation value.
And the geometric modeling module performs geometric modeling based on a polygon representation index method to form a symmetric polygon evaluation system. The polygon map index method is provided with n indexes, a central regular n-polygon is formed by fixed radiuses, and a connecting line of all the index values forms an irregular central n-polygon.
The correction module corrects the coordinate system of the symmetric polygon according to each test evaluation value, so that each test evaluation value can be used as reference quantity data and appear in the coordinate system at the same time; the units of the coordinate system are corrected according to the processing of the reference amount data.
The comprehensive evaluation module and the state evaluation method of the power distribution automation equipment communication module introduce a symmetrical pentagonal scoring principle, and in a pentagonal evaluation system, a closed pentagonal is formed by utilizing various testing and evaluation results and comprises a plurality of triangles. Aiming at different evaluation requirements, corresponding point positions are selected according to evaluation items under the same technical requirements, a graph is constructed, the area of the graph is calculated, and the size of the area reflects the comprehensive evaluation score.
The comprehensive evaluation module can refine the comprehensive score of the overall state evaluation into a plurality of triangles and check the evaluation scores of different evaluation items.
And the preset installation suggestion module is used for presetting different laying environments of the distribution automation equipment, carrying out state evaluation on the preset running state and proposing suggestions for subsequent installation of the laying area.
The invention has the advantages that compared with the prior art,
the state evaluation of the distribution automation equipment communication module is obtained by testing and evaluating the five aspects of the installation structure of the distribution automation equipment communication module, the wireless communication long link test, the wireless communication packet rate test, the operation temperature rise ratio and the operation environment humidity and carrying out modeling grading calculation by a polygon representation index method, and the state evaluation is used for guiding the distribution automation equipment laying areas with different evaluation results.
The invention closely conforms to the practical requirement of automation of an intelligent power distribution network, can correctly guide the laying areas of the power distribution automation equipment with different evaluation results, and reasonably erects the power distribution automation terminal equipment with different evaluation results for the power distribution automation terminal equipment with the function and the electrical performance meeting the requirement according to different laying areas, different natural environments, base station framework layers and other factors.
The invention can ensure that the distribution automation terminal equipment with different evaluation results is more reasonably laid, the distribution automation terminal equipment can play the role to the maximum extent, and the practicability of the distribution automation terminal equipment is enhanced.
The invention can also reduce abnormal operation of the communication module of the distribution automation terminal equipment erected in an unreasonable area for a long time, reduce abnormal communication caused by external factors on the communication module of the distribution automation terminal equipment, reduce operation faults which can not be solved in a short time when operation and maintenance personnel are on site, and save a large amount of manpower and time.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A method for state assessment of a distribution automation device communication module, the method comprising the steps of:
testing and evaluating a grading item of a communication module of distribution automation equipment to obtain a test evaluation value;
secondly, performing geometric modeling based on a polygon representation index method to form a symmetrical polygon evaluation system;
correcting the coordinate system and the unit of the symmetric polygon according to each test evaluation value;
and fourthly, selecting corresponding point positions according to the scoring items aiming at different evaluation requirements, constructing graphs and calculating the area size to obtain comprehensive evaluation scores.
2. The power distribution automation device communication module status assessment method of claim 1 wherein the scoring term comprises: the wireless communication system comprises an installation structure, a wireless communication long link, a wireless communication packet rate, an operation temperature rise ratio and operation environment humidity.
3. The power distribution automation device communication module status assessment method of claim 1 further comprising:
and refining the overall state comprehensive evaluation score into a plurality of triangles, and checking the evaluation scores of different evaluation items.
4. The power distribution automation device communication module status assessment method of claim 1 further comprising:
and performing state evaluation calculation aiming at different paving environments of the distribution automation equipment, and proposing a suggestion on subsequent installation in the paving environment.
5. The state evaluation method of a distribution automation device communication module according to claim 2, characterized in that the installation structure evaluation scores the evaluation of the rationality of the installation structure of the communication module to obtain an evaluation score value;
the method comprises the steps of testing a wireless communication long link, namely testing the wireless communication long link of a communication module to obtain a percentage value of the correct rate of the long link test;
testing the wireless communication packet rate, namely testing the wireless communication packet rate of the communication module to obtain a packet rate percentage value;
the operation temperature rise ratio is a temperature rise ratio numerical value of the operation temperature of the communication module of the power distribution automation equipment and the ambient temperature;
and operating the environment humidity value for the communication module of the power distribution automation equipment.
6. The distribution automation device communication module status evaluation method of claim 1 wherein in step 3,
correcting the coordinate system of the symmetric polygon to enable each test evaluation value to be used as reference quantity data and to be simultaneously presented in the coordinate system; the units of the coordinate system are corrected according to the processing of the reference amount data.
7. The power distribution automation device communication module status evaluation method of claim 1 wherein, in step 4,
and selecting corresponding point positions in the coordinate system of the symmetric polygon according to the test evaluation values, wherein the connecting lines form an irregular central polygon, and the coverage area of the irregular central polygon is the state evaluation score of the communication module of the distribution automation equipment.
8. A system for assessing the status of a distribution automation device communication module, comprising: the system comprises a scoring item acquisition module, a geometric modeling module, a correction module and a comprehensive evaluation module;
the scoring item acquisition module is used for acquiring the test evaluation value of each scoring item;
the geometric modeling module is used for constructing a symmetric polygon evaluation system, and the correction module corrects a coordinate system of the symmetric polygon evaluation system according to each test evaluation value;
and the comprehensive evaluation module is based on the symmetric polygon evaluation system, constructs a graph according to the test evaluation value, and calculates the area of the graph to obtain a comprehensive evaluation score.
9. The distribution automation device communication module's status assessment system of claim 8 further comprising a pre-set installation opinion module,
and performing state evaluation calculation aiming at different paving environments of the distribution automation equipment, and proposing a suggestion on subsequent installation in the paving environment.
10. The power distribution automation device communication module status evaluation system of claim 8 wherein the geometric modeling module performs geometric modeling based on a polygon map indexing method to form a symmetric polygon evaluation system;
the polygon representation index method is provided with n indexes, a central regular n-polygon is formed by fixed radiuses, and connecting lines of all the index values form an irregular central n-polygon.
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