AU2017303947B2 - Small radar-based thunder and lightning monitoring and warning method for electric transmission line, and storage medium - Google Patents
Small radar-based thunder and lightning monitoring and warning method for electric transmission line, and storage medium Download PDFInfo
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
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Abstract
A small radar-based thunder and lightning monitoring and warning method for an electric transmission line, and a computer storage medium. The small radar-based thunder and lightning monitoring and warning method for an electric transmission line comprises the following steps: step 1, obtaining multilayer radar echo reflectivity data of a small radar and obtaining thunder occurrence data by means of a thunder and lightning locator; step 2, determining a thunderstorm region according to the echo reflectivity data and the thunder occurrence data; step 3, determining the movement direction and velocity of the thunderstorm region; step 4, estimating the position of a thunderstorm that occurs in a further time point k and the thunder and lightning activity intensity according to the movement direction and velocity of the thunderstorm region; and step 5, determining whether a pole and a tower of an electric transmission line are located in the position of the thunderstorm that occurs in the further time point k, generating a determining result, and determining whether to generate an alarm according to the determining result.
Description
“SMALL RADAR-BASED THUNDER AND LIGHTNING MONITORING AND WARNING METHOD FOR ELECTRIC TRANSMISSION LINE, AND STORAGE
MEDIUM”
Throughout this specification, unless the context requires otherwise, the word “comprise” and variations such as “comprises”, “comprising” and “comprised” are to be understood to imply the presence of a stated integer or group of integers but not the exclusion of any other integer or group of integers.
Throughout this specification, unless the context requires otherwise, the word “include” and variations such as “includes”, “including” and “included” are to be understood to imply the presence of a stated integer or group of integers but not the exclusion of any other integer or group of integers.
The headings and subheadings in this specification are provided for convenience to assist the reader, and they are not to be interpreted so as to narrow or limit the scope of the disclosure in the description, claims, abstract or drawings.
CROSS-REFERENCE TO RELATED APPLICATIONS
The present application is filed based upon and claims benefit of Chinese Patent Application No. 201610606099.9, filed on July 29, 2016, the contents of which are hereby incorporated by reference in its entirety.
TECHNICAL FIELD
The disclosure relates to the field of lightning monitoring and warning for 30 power transmission lines, and particularly to a small-radar-based lightning monitoring and warning method for a power transmission line and a computer storage medium.
2017303947 23 Aug 2019
BACKGROUND
Any discussion of background art, any reference to a document and any reference to information that is known, which is contained in this specification, is provided only for the purpose of facilitating an understanding of the background to the present invention, and is not an acknowledgement or admission that any of that material forms part of the common general knowledge in Australia or any other country as at the priority date of the application in relation to which this specification has been filed.
Thunderstorm weather is a weather phenomenon in natural phenomena. In recent years, disasters caused by lightning frequently occur and tend to be increased rapidly. Lighting does great harm to safe operation of a power transmission line. A proportion of lightning trip in failures of a power transmission line is higher, and preventing lightning trip may greatly reduce the failures of the power transmission line and further reduce the frequency of occurrence of accidents in a power grid. Years of exploration basically forms a series of effective conventional lightning protection methods for lightning protection of power transmission lines in China, for example, reducing grounding resistance, erecting an overhead ground wire and mounting an automatic reclosing valve. However, for lines in some mountainous areas, disasters caused by lightning frequently occur, it is extremely difficult to reduce grounding resistance, besides the cost and workload is high, the effect is also limited to a certain extent. Therefore, lightning protection requires pertinent warning and key protection over a line to which lightning trip may occur.
Existing lightning warning technologies mainly depend on various kinds of hardware equipment for monitoring and capturing of physical characteristics released before occurrence of lightning, and have their own advantages and shortcomings. The following technologies are common. The ground electric field instrument: the ground electric field instrument may monitor a charged condition of a cloud layer within a certain radius range above it, so that a local probability of occurrence of a lightning may be predicted by setting different electric field intensity threshold levels. Its shortcoming is the uncertainty about whether increase of the electric field reflects carried charges of the local cloud layer or movement of a strongly charged cloud
2017303947 23 Aug 2019 towards a location of the electric field instrument. The lightning broadband interferometer system may detect a weak discharge activity in a cloud before occurrence of a lightning and warn occurrence of the lightning earlier and may also effectively identify and eliminate an interference signal of a non-lightning radiation signal by virtue of its characteristic of broad frequency band. Its shortcoming is that the detection range is slightly narrow. The satellite: the satellite identifies a thundercloud layer and tracks and estimates a movement trajectory of the thundercloud layer to judge occurrence of lightning. However, capability of the satellite in distinguishing a thundercloud subclass, for example, distinguishing an intracloud lightning and a cloud-to-ground lightning, is poorer. The radar detects a climatic characteristic of lightning formation to forecast a lightning. Specifically, the patent application document No. CN203054097U named after “lightning warning networking system” records a lightning warning networking system by virtue of an ordinary electric field instrument and other support equipment. No. CN202025042U named after “lightning warning device” proposes a solution of estimating a distance of a lightning source by virtue of dipole antennae according to an elevation angle of an antenna array at which a lightning radiation signal arrives. No. CN102095943A named after “lightning warning method and device” provides a solution of measuring an elevation angle of an antenna array at which a lightning radiation signal arrives on the basis of a lightning interferometer principle to further estimate a distance of a lightning source. Besides single-equipment-based solutions, there are also combinedequipment-based solutions. Combination of multiple magnetic field monitoring antennae and infrared spectrum monitoring systems is mentioned in the document No. CN202975175U named after “lightning warning equipment”.
Existing lightning warning methods generally use a few of a radar, a satellite, lightning data, an atmospheric electric field instrument and the like only and do not integrate advantages and shortcomings thereof and target application scenarios in lightning warning systems. Data incompleteness may bring the problems of poorer lightning potential forecasting and lightning warning space resolution and lower automation degree of production of public and decision-making service materials for lightning potential forecasting and lightning warning.
In view of this, it is desirable to provide a lightning monitoring and warning
2017303947 23 Aug 2019 method for a power transmission line to solve the problems.
SUMMARY
Embodiments of the disclosure provide a small-radar-based lightning monitoring and warning method relatively easy to implement and maintain for a power transmission line. Compared with a conventional manner, the embodiments of the disclosure may make lightning warning more accurate.
In summary, the technical solutions of the embodiments of the disclosure are implemented as follows.
The embodiments of the disclosure provide a small-radar-based lightning monitoring and warning method for a power transmission line, the method including the following steps:
multilayer radar echo reflectivity data is acquired from a small radar, and ground flash data is obtained through a lightning locator;
the thunderstorm area is determined on the basis of the echo reflectivity data and the ground flash data;
the movement direction and speed of the thunderstorm area are determined;
the location where a thunderstorm occurs at a future moment k and a lightning activity intensity of the thunderstorm at the future moment k are estimated according to the movement direction and speed of the thunderstorm area; and whether a power transmission tower is located in a location area where the thunderstorm occurs at the future moment k is judged, a judgment result is generated, and whether to give a warning is determined according to the result, wherein the operation that the movement direction and speed of the thunderstorm area are determined may include that:
radial and tangential speeds of an echo of the thunderstorm area are acquired;
and the movement direction and speed of the thunderstorm area are determined on the basis of the radial and tangential speeds of the echo.
As an implementation mode of an embodiment, the operation that the thunderstorm area is determined on the basis of the echo reflectivity data and the
2017303947 23 Aug 2019 ground flash data may include that:
echo reflectivity data obtained through a radar equipment at a moment t is extracted;
ground flash data at the moment t is obtained through the lightning locator;
and a thundercloud is associated with a lightning event, and overlapped data of the echo reflectivity data and ground flash data at the moment t is determined, the overlapped data corresponding to the thunderstorm area on an image.
As an implementation mode of an embodiment, the operation that the radial 10 and tangential speeds of the echo of the thunderstorm area are acquired may include that:
the radial speed, obtained by detection of the small radar, of the thunderstorm area is read, and the movement trajectory of the thundercloud is tracked using the radar to 15 calculate the tangential speed; and correspondingly, the operation that the movement direction and speed of the thunderstorm area are determined on the basis of the radial and tangential speeds of the echo may include that:
the overall movement speed and direction of the thundercloud are calculated 20 through parallelogram vector summation.
As an implementation mode of an embodiment, the operation that the lightning activity intensity of the thunderstorm at the future moment k is estimated may include that:
during prediction, modeling is performed by virtue of historical lightning 25 current amplitude data of a region where the thunderstorm area is located at the future moment k to obtain a probability distribution graph of the region;
curve fitting is performed according to data input by the lightning locator to obtain a median current parameter related to the lightning activity intensity and a concentration degree parameter of a lightning current amplitude distribution; and the lighting activity intensity is determined according to the probability distribution graph, the median current parameter and the concentration degree parameter of the lightning current amplitude distribution.
2017303947 23 Aug 2019
The embodiments of the disclosure further provide a computer storage medium having stored thereon computer-executable instructions, the computerexecutable instructions being configured to execute the small-radar-based lightning monitoring and warning method for the power transmission line herein before described.
The embodiments of the disclosure may have the following beneficial effects.
1: According to the embodiments of the disclosure, the radar is combined with the lightning locator to acquire lightning data, wherein the radar is a millisecond wave radar and has the advantages of wide monitoring range and high accuracy.
2: For warning about a risk of the power transmission tower, own intensity of a lightning and a tolerance level of the line tower are considered, so that risk warning is closer to reality and higher in accuracy.
BRIEF DESCRIPTION OF DRAWINGS
The present invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
FIG. 1 is an implementation flowchart of a small-radar-based lightning monitoring and warning method for a power transmission line according to an embodiment of the disclosure.
FIG. 2 is a schematic diagram of a radar echo strong reflection area closely related to a lightning activity according to an embodiment of the disclosure.
FIG. 3 is a specific implementation flowchart of a small-radar-based lightning monitoring and warning method for a power transmission line according to an embodiment of the disclosure.
DETAILED DESCRIPTION
For a better understanding to the disclosure, contents of the disclosure will further be elaborated below in combination with the embodiments. However, the contents of the disclosure are not limited to the following embodiments. Those skilled in the art can make various variations or modifications to the disclosure and these
2017303947 23 Aug 2019 equivalent forms shall also fall within the scope limited by the claims appended in the application.
As shown in FIG. 1, an embodiment of the disclosure provides a small-radarbased lightning monitoring and warning method for a power transmission line, and the method includes the following steps.
Step 1, multilayer radar echo reflectivity data is acquired by a small radar, and ground flash data is obtained through a lightning locator.
Here, the multilayer radar echo reflectivity data is obtained through the small radar at first. In the embodiment, when obtaining the multilayer radar echo reflectivity data through the small radar, special attentions are paid to moving targets at a height of 5,000 to 7,000 meters, and a radar echo strong reflection area closely related to a lightning activity is obtained. As shown in FIG. 2, the rectangular box is the radar echo strong reflection area. In this figure, if a lightning is represented by a dot, then multiple lightning form a plane (stacking of multiple dots) in an image, that is, the place where black dots are accumulated in FIG. 2 is a place where lightning frequently occur. The area (the arrow points to) shown as the rectangular box in FIG. 2 is the radar echo strong reflection area. Those skilled in the art should know that not all locations in the radar echo strong reflection area are locations where lightning actually occur.
Second, a real thundercloud cluster is obtained. Here, real thundercloud cluster data is obtained in two manners. One is a radar wave (the radar wave includes various meteorological cloud clusters) sent back by the small radar on a wide area, and the second is the ground flash data sent back by the lightning locator.
Step 2, a thunderstorm area is determined on the basis of the echo reflectivity data and the ground flash data.
Step 2 includes the following steps.
In step 2-1, echo reflectivity data P obtained through a radar equipment at a present moment t is extracted.
In step 2-2, ground flash data I at the moment t is obtained through the lightning locator.
In step 2-3, a thundercloud is associated with a lightning event, and overlapped data of the echo reflectivity data (cloud data) P returned by the radar and
2017303947 23 Aug 2019 the ground flash data I returned by the lightning locator is determined.
If the cloud data P and the ground flash data I are presented on an image, that is, data related to a lightning and/or the thundercloud cluster is represented with the image, a boundary may be found in the image in an image division manner to draw up the thunderstorm area, and the thunderstorm area corresponds to the overlapped data of the cloud data P and the ground flash data I.
Step 3, a movement direction and speed of the thunderstorm area are determined.
In the embodiment, Step 3 may include the following steps:
In step 3-1, the radial and tangential speeds of an echo of the thunderstorm area are acquired.
Here, the radial speed of the echo is a basic parameter for lightning data detection of the small radar, and this parameter may be obtained by the small radar. The tangential speed of the echo is obtained according to the radial speed of the echo.
In step 3-2, the movement direction and speed of the thunderstorm area are determined on the basis of the radial and tangential speeds of the echo.
Here, the radial and tangential speeds of the echo are both vectors, and the vectors are summed to determine the movement direction and speed of the thunderstorm area.
As a specific implementation mode, in Step 3-1 and Step 3-2, after the radial speed of the echo is obtained through the small radar, volume scanning of multiple times is tracked (if volume scanning of each time lasts for about 5 minutes, volume scanning of 5 times is usually tracked) to deduce the tangential speed of the area and finally comprehensively calculate the movement direction and speed of the thunderstorm area.
During specific implementation, since the radial speed v is a basic parameter for lightning data detection of the small radar, after lightning data is detected, the radial speed v may be obtained, that is, the radial speed v of the thunderstorm area, obtained by detection of the small radar, may be read; then a movement trajectory of the thundercloud is tracked by virtue of data, for example, data sent back for 5 times, obtained by volume scanning of the radar to calculate the tangential speed p; and finally, an overall movement speed and direction of v and p of the thundercloud are
2017303947 23 Aug 2019 calculated through parallelogram vector summation.
In step 4, a location where the thunderstorm occurs at a future moment k and the lightning activity intensity of the thunderstorm at the future moment k are estimated according to the movement direction and speed of the thunderstorm area.
Here, when the movement direction, speed and movement time (for example, a time difference between the future moment k and the present time) of the thunderstorm area are acquired, the movement distance is obtained, that is, the location where the thunderstorm occurs at the future moment k (k is a positive number) is obtained. For the lightning activity intensity at the future moment k, due to continuity of the lightning activity and short time of a prediction interval, if the probable lightning activity intensity of the thunderstorm area in the future is represented with a present times of lightning and the lightning current distribution, during prediction (estimation), modeling is performed by virtue of historical lightning current amplitude data of a region where the thunderstorm area is located at the future moment k, in order to deduce the lightning current probability distribution function and obtain the probability distribution graph of this area after determining the weights of the constant; and curve fitting is performed according to data input by the lightning locator to obtain parameters a and b related to the lightning activity intensity, where a is a median current (a probability of occurrence of a lightning current exceeding the amplitude is 50%), kA (kiloampere), and b is the concentration degree parameter of the lightning current amplitude distribution. Values of the parameters a and b represent the intensity of lightning activity. If a lightning current in a certain region exceeds its median current, a probability of occurrence of a lightning in the region reaches 50%. For making the lightning activity intensity parameter more accurate, errors of the parameters a and b may be controlled by virtue of least square method.
In step 5, whether a power transmission tower is located in the area where the thunderstorm occurs at the future moment k is judged, judgment result is generated, and whether to send a warning is determined according to the result.
Here, if the location where the thunderstorm occurs at the future moment k is determined as a predicted thunderstorm area, in this step, the database of transmission tower is retrieved, coordinates of power transmission tower is read, whether the tower is located in the predicted thunderstorm area is judged according to the coordinates, it
2017303947 23 Aug 2019 is unnecessary to give a warning if NO, and if YES, then the warning is generated and sent.
During engineering implementation, as one implementation mode, when the power transmission tower is judged to be located in the predicted thunderstorm area, a lightning tolerance level of the tower is also required to be considered, and whether to give a warning is determined according to a lightning tolerance of the tower. Here, it is considered that, for determining whether a warning event occurs, occurrence of risk is also related to the lightning tolerance level of the tower besides lightning intensity. The lightning tolerance level refers to tolerance level of the object under struck. Parameters such as insulation configuration of the power transmission line increases along with increase of voltage class of power transmission line, so that the voltage class of power transmission line determines the range of its lightning tolerance level; and second, structure and parameters of the power transmission line are important factors influencing the lightning tolerance level. If it is obtained that the tower is located in the predicted thunderstorm area and the lightning tolerance is poorer when judging whether the coordinates of the power transmission tower is located in the predicted thunderstorm area, it is necessary to give a warning; and if it is obtained that the tower is located in the predicted thunderstorm area and the lightning tolerance is higher when judging whether the coordinates of the tower is located in the predicted thunderstorm area, it is unnecessary to give a warning. That is, in the embodiment of the disclosure, a warning about a power transmission line tower tripped by the lightning is sent on the basis of matching of locations of two areas, i.e., the area of the tower and the predicted thunderstorm area, as well as in consideration of the lightning tolerance level of the tower.
In the embodiment of this disclosure, the radar and the lightning locator are simultaneously used to obtain various kinds of lightning data, so that location hardware is more comprehensive, and also higher pertinence is achieved. Wherein, for overcoming the shortcoming that the radar and the satellite may identify a cloud layer only but may not judge whether lightning phenomenon probably occurs in the cloud layer, the lightning locator may screen the part to which the lightning occurs more probably. In such a manner, analysis over historical data about occurrence of lightning and the radial and tangential speeds of the thundercloud fed back by the radar, may be
2017303947 23 Aug 2019 combined to deduce a location of a lightning at a future moment in real time and deduce the activity intensity in a probable future thunderstorm area. Concerning the warning target, warning is sent about the transmission line tower tripped by the lightning on the basis of matching of the locations of the two areas, i.e., the area of the power transmission tower and the predicted thunderstorm area, and in consideration of the lightning tolerance level of the tower. By the embodiment of the disclosure, lightning warning is more accurate.
An embodiment of the disclosure further provides a computer storage medium, in which an executable program is stored, the executable program is executed by a processor to implement a small-radar-based lightning monitoring and warning method provided by the embodiment of the disclosure for a power transmission line, for example, the small-radar-based lightning monitoring and warning method for the power transmission line shown in FIG. 1 and FIG. 3.
Specifically, as one implementation mode, a computer-executable instruction is mn by the processor to execute the following steps:
multilayer radar echo reflectivity data is acquired by the small radar, and ground flash data is obtained by the lightning locator;
the thunderstorm area is determined on the basis of the echo reflectivity data and the ground flash data;
the movement direction and speed of the thunderstorm area are determined;
the location where a thunderstorm occurs at a future moment k and the lightning activity intensity of the thunderstorm at the future moment k are estimated according to the movement direction and speed of the thunderstorm area; and whether a power transmission tower is located in the location area where the thunderstorm occurs at the future moment k is judged, a judgment result is generated, and whether to give a warning is determined according to the result.
Wherein, the storage medium includes a volatile Random Access Memory (RAM), a Read-Only Memory (ROM), an Electrically Erasable Programmable ROM (EEPROM), a flash memory or another memory technology, a Compact Disc-ROM (CD-ROM), and a Digital Video Disk (DVD) or another accessed medium.
Contents not described in the specification in detail belong to the conventional art well known to those of skilled in the art.
2017303947 23 Aug 2019
Those skilled in the art should know that the embodiment of the disclosure may be provided as a method, a system or a computer program product. Therefore, the disclosure may adopt the form of hardware embodiment, software embodiment and combined software and hardware embodiment. Moreover, the disclosure may adopt the form of computer program product implemented on one or more computeravailable storage media (including, but not limited to, a disk memory and an optical memory, etc.) including computer-available program codes.
The disclosure is described with reference to flowcharts and/or block diagrams of the method, equipment (system) and computer program product according to the embodiment of the disclosure. It should be understood that each flow and/or block in the flowcharts and/or the block diagrams and combinations of the flows and/or blocks in the flowcharts and/or the block diagrams may be implemented by computer program instructions. These computer program instructions may be provided for a universal computer, a dedicated computer, an embedded processor or a processor of other programmable data processing equipment to generate a machine, so that a device for realizing a function specified in one or more flows in the flowcharts and/or one or more blocks in the block diagrams is generated by the instructions executed through the computer or the processor of the other programmable data processing equipment.
These computer program instructions may also be stored in a computerreadable memory capable of guiding the computer or the other programmable data processing equipment to work in a specific manner, so that a product including an instruction device may be generated by the instructions stored in the computerreadable memory. This instruction device realizes the function specified in one flow or many flows in the flowcharts and/or one block or many blocks in the block diagrams.
These computer program instructions may further be loaded onto the computer or the other programmable data processing equipment, so that a series of operating steps are executed on the computer or the other programmable data processing equipment to generate processing implemented by the computer, and steps for realizing the function specified in one or many flows in the flowcharts and/or one or many blocks in the block diagrams are provided by the instructions executed on the
2017303947 23 Aug 2019 computer or the other programmable data processing equipment.
Contents mentioned above are only the preferred embodiment of the disclosure and not intended to limit the scope of protection of the disclosure.
INDUSTRIAL APPLICABILITY
In the embodiments of the disclosure, the radar (small radar) and the lightning locator are simultaneously used to obtain various kinds of monitoring data required by lightning warning, so that location hardware is more comprehensive, and higher pertinence is achieved. Wherein, for overcoming the shortcoming that the radar and the satellite may identify the cloud layer only but may not judge whether a lightning phenomenon probably occurs in the cloud layer, the lightning locator may screen a part to which the lightning occurs more probably. In such a manner, analysis over historical data about occurrence of lightning and the radial and tangential speeds of the thundercloud fed back by the radar, may be combined to deduce a location of a lightning at a future moment in real time and deduce an activity intensity in a future probable thunderstorm area. Concerning the warning target, warning is sent about the transmission line tower tripped by the lightning on the basis of matching of the locations of the two areas, i.e., the area of the power transmission tower and the predicted thunderstorm area, and in consideration of the lightning tolerance level of the tower. By the embodiments of the disclosure, lightning warning is more accurate.
Whilst one or more preferred embodiments of the present invention have been herein before described, the scope of the present invention is not limited to those specific embodiment(s), and may be embodied in other ways, as will be apparent to a person skilled in the art.
Modifications and variations such as would be apparent to a person skilled in the art are deemed to be within the scope of the present invention.
Claims (5)
- The claims defining the invention are as follows:1. A small-radar-based lightning monitoring and warning method for a power5 transmission line, comprising the following steps:acquiring multilayer radar echo reflectivity data through a small radar, and obtain ground flash data through the lightning locator;determining a thunderstorm area on the basis of the echo reflectivity data and the ground flash data;10 determining a movement direction and speed of the thunderstorm area;estimating a location where a thunderstorm occurs at a future moment k and a lightning activity intensity of the thunderstorm at the future moment k according to the movement direction and speed of the thunderstorm area; and judging whether a power transmission tower is located at the location where15 the thunderstorm occurs at the future moment k, generating a judgment result, and determining whether to give a warning according to the result, wherein determining the movement direction and speed of the thunderstorm area comprises:acquiring radial and tangential speeds of an echo of the thunderstorm area; and20 determining the movement direction and speed of the thunderstorm area on the basis of the radial and tangential speeds of the echo.
- 2. The small-radar-based lightning monitoring and warning method for the power transmission line according to claim 1, wherein determining the thunderstorm area on25 the basis of the echo reflectivity data and the ground flash data comprises:extracting echo reflectivity data obtained through a radar equipment at a moment /;obtaining ground flash data at the moment t through the lightning locator; and associating a thundercloud with a lightning event, and determining overlapped30 data of the echo reflectivity data and ground flash data at the moment t, the overlapped data corresponding to the thunderstorm area on an image.
- 3. The small-radar-based lightning monitoring and warning method for the power2017303947 23 Aug 2019 transmission line according to claim 1 or 2, wherein acquiring the radial and tangential speeds of the echo of the thunderstorm area comprises:reading the radial speed, obtained by detection of the small radar, of the thunderstorm area, and5 tracking a movement trajectory of the thundercloud using the radar to calculate the tangential speed; and correspondingly, determining the movement direction and speed of the thunderstorm area on the basis of the radial and tangential speeds of the echo comprises:10 calculating an overall movement speed and direction of the thundercloud through parallelogram vector summation.
- 4. The small-radar-based lightning monitoring and warning method for the power transmission line according to any one of claims 1 to 3, wherein estimating the15 lightning activity intensity of the thunderstorm at the future moment k comprises:performing modeling by virtue of historical lightning current amplitude data of a region where the thunderstorm area is located at the future moment k to obtain a probability distribution graph of the region;performing curve fitting according to data input by the lightning locator to 20 obtain a median current parameter related to the lightning activity intensity and a concentration degree parameter of a lightning current amplitude distribution; and determining the lighting activity intensity according to the probability distribution graph, the median current parameter and the concentration degree parameter of the lightning current amplitude distribution.
- 5. A computer storage medium having stored thereon computer-executable instructions configured to execute the small-radar-based lightning monitoring and warning method for a power transmission line according to any one of claims 1-4.
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| CN201610606099.9A CN106019287B (en) | 2016-07-29 | 2016-07-29 | A kind of power transmission line lightning shielding monitoring and pre-alarming method based on miniradar |
| CN201610606099.9 | 2016-07-29 | ||
| PCT/CN2017/094778 WO2018019278A1 (en) | 2016-07-29 | 2017-07-27 | Small radar-based thunder and lightning monitoring and warning method for electric transmission line, and storage medium |
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| AU2017303947A1 AU2017303947A1 (en) | 2018-10-18 |
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| AU (1) | AU2017303947B2 (en) |
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| CN106019287B (en) * | 2016-07-29 | 2018-07-10 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of power transmission line lightning shielding monitoring and pre-alarming method based on miniradar |
| CN107271795B (en) * | 2017-07-26 | 2019-03-08 | 国网江苏省电力公司苏州供电公司 | Lightning Warning method suitable for power distribution network |
| CN110221360A (en) * | 2019-07-25 | 2019-09-10 | 广东电网有限责任公司 | A kind of power circuit thunderstorm method for early warning and system |
| CN110927725B (en) * | 2019-11-30 | 2023-03-14 | 兰州大学 | Lightning early warning and monitoring method based on meteorological radar |
| CN112614313B (en) * | 2020-11-30 | 2023-02-03 | 国网山东省电力公司滨州供电公司 | Transmission line synthesizes self-defined management alarm terminal |
| CN113112135A (en) * | 2021-03-30 | 2021-07-13 | 北京中科九章软件有限公司 | Method and device for preventing electricity interference, storage medium and terminal |
| CN113421170B (en) * | 2021-06-16 | 2022-02-01 | 广东诚誉工程咨询监理有限公司 | Comprehensive optimization management system and method for power engineering quality |
| CN114414898A (en) * | 2021-12-14 | 2022-04-29 | 贵州电网有限责任公司 | Thunder and lightning early warning method based on radar data |
| CN114545098B (en) * | 2022-03-18 | 2024-09-03 | 华中科技大学 | Thunderstorm forecasting method and lightning positioning method |
| CN114812698B (en) * | 2022-07-01 | 2022-09-30 | 江西信息应用职业技术学院 | Lightning protection monitoring method and device, readable storage medium and electronic equipment |
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| CN116363116B (en) * | 2023-04-12 | 2023-09-01 | 周晓菲 | Time-sharing judging system for lightning strike probability of power transmission tower |
| CN116910491B (en) * | 2023-09-11 | 2024-01-23 | 四川弘和数智集团有限公司 | Lightning monitoring and early warning system and method, electronic equipment and storage medium |
| CN117349692B (en) * | 2023-12-04 | 2024-05-07 | 国网江西省电力有限公司南昌供电分公司 | Distribution line lightning early warning method integrating multiple lightning early warning factors |
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| CN106019287B (en) | 2018-07-10 |
| WO2018018840A1 (en) | 2018-02-01 |
| ZA201808653B (en) | 2020-05-27 |
| WO2018019278A1 (en) | 2018-02-01 |
| CN106019287A (en) | 2016-10-12 |
| AU2017303947A1 (en) | 2018-10-18 |
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