CN117572103A - Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device - Google Patents

Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device Download PDF

Info

Publication number
CN117572103A
CN117572103A CN202410048351.3A CN202410048351A CN117572103A CN 117572103 A CN117572103 A CN 117572103A CN 202410048351 A CN202410048351 A CN 202410048351A CN 117572103 A CN117572103 A CN 117572103A
Authority
CN
China
Prior art keywords
electric field
lightning strike
lightning
remote sensing
electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410048351.3A
Other languages
Chinese (zh)
Inventor
田野
王宇
朱义东
谷山强
吴维宁
张新宇
杜威
顾泰宇
史可鉴
王智博
李海峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
State Grid Electric Power Research Institute
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
State Grid Electric Power Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd, State Grid Electric Power Research Institute filed Critical State Grid Corp of China SGCC
Priority to CN202410048351.3A priority Critical patent/CN117572103A/en
Publication of CN117572103A publication Critical patent/CN117572103A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/24Arrangements for measuring quantities of charge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/12Measuring electrostatic fields or voltage-potential
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

The invention belongs to the technical field of electric power, and particularly relates to a lightning strike electric quantity estimation method and a measuring device based on electric field remote sensing. The invention comprises the following steps: receiving an electric field signal generated by lightning strike; comparing the received electric field signal with the waveform of the electric field signal received before in the database to determine the type of lightning strike; receiving electric field electromagnetic waves generated by lightning strike through an antenna sensor to obtain a lightning strike point positioning result of the same place; and estimating the electric quantity during lightning strike according to the lightning strike point positioning result. According to the lightning protection and risk assessment method, the positioning result of the lightning point is determined through the device, and the estimation of the electric quantity generated during lightning is realized, so that effective support can be provided for lightning protection and risk assessment of the power system transmission and distribution line, and the lightning protection and risk assessment method has important practical significance for electricity utilization facilities and electricity utilization safety.

Description

Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a lightning strike electric quantity estimation method and a measuring device based on electric field remote sensing.
Background
The lightning strike contains a large amount of energy, and a high temperature is generated at the moment of hitting an object. Therefore, when the electric equipment or the line is struck by lightning, the line is very easy to fuse, especially when the overhead line is ground wire and the wire are struck by lightning.
Therefore, it is necessary to estimate the amount of electricity according to the impact at the time of lightning strike to evaluate the damage that may be generated by the lightning strike so as to be able to prevent and minimize the loss to the electrical equipment and facilities in time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lightning strike electric quantity estimation method and a measuring device based on electric field remote sensing.
The purpose of the invention is to realize the estimation of the electric quantity generated during the thunder, and provide effective support for the lightning protection and risk assessment of the power system transmission line.
The technical scheme adopted by the invention for achieving the purpose is as follows:
a lightning strike electric quantity estimation method based on electric field remote sensing comprises the following steps:
receiving an electric field signal generated by lightning strike;
comparing the received electric field signal with the waveform of the electric field signal received before in the database to determine the type of lightning strike;
receiving electric field electromagnetic waves generated by lightning strike through an antenna sensor to obtain a lightning strike point positioning result of the same place;
and estimating the electric quantity during lightning strike according to the lightning strike point positioning result.
Still further, the receiving the electric field signal generated by the lightning strike includes: the electric field remote sensing part receives electric field signals generated by lightning strike by adopting an electric field antenna with the frequency band of 0.1Hz-50kHz, and records the change delta E of the electric field.
Further, the received electric field signal is compared with the waveform of the electric field signal received before in the database to determine the type of lightning strike; comparing the electric field signal waveforms with those in a background database to determine the type of lightning strike and distinguish cloud flash from ground flash; the similar electric field signal waveform comprises amplitude and frequency, and changes of the electric field signal waveform are recorded, wherein the changes comprise the amplitude and the waveform; if the cloud flash is generated, the size of the inter-cloud discharge is evaluated; if the lightning is ground flash, the lightning quantity is evaluated and calculated.
Further, the electric quantity during lightning strike is estimated according to the positioning result of the lightning strike point, and the electric quantity is shown as the following formula:
wherein x and y are distances from the planar coordinates of the lightning strike to the monitoring point; z represents the lightning strike height, namely the distance from the initial discharge point to the lightning strike point in the thundercloud, and z is obtained through positioning of an electric field antenna array, and epsilon is vacuum conductivity.
An electric field remote sensing-based lightning strike electricity measurement device, comprising: the device comprises an electric field remote sensing part, an electric field waveform processing and storing part and a data transmission and electric quantity estimation part; the electric field remote sensing part transmits an electric field signal to the electric field waveform processing and storing part through a communication line, then transmits monitoring data of each place to the monitoring master station through a network, and carries out electric quantity estimation at the master station; comparing the received electric field signal with the waveform of the electric field signal received before in the database to determine the type of lightning strike;
the electric field remote sensing part is an electric field antenna and is used for receiving electric field signals generated by lightning strike judged after the trigger is started; receiving electric field electromagnetic waves generated by lightning strike through an antenna sensor to obtain a lightning strike point positioning result of the same place;
the electric field waveform processing and storing section includes: integrator/signal amplification, signal trigger, GPS time, beidou satellite system, A/D converter and memory;
the data transmission and power estimation section includes: the system comprises a multi-signal collecting unit, an electric quantity estimation and analysis module and a memory;
the electric field remote sensing part is used for receiving electric field signals generated by lightning strike judged after the trigger is started;
the electric field waveform processing and storing part is used for carrying out integration, amplification and A/D conversion on the received electric field signal and storing the waveform data conversion result and GPS synchronization time;
the data transmission and electric quantity estimation part is used for transmitting the stored data to the central server, and estimating the electric quantity during thunder through comparing the monitored data, positioning the thunder points and estimating the electric quantity during thunder.
Further, the frequency band of the electric field antenna is 0.1Hz-50kHz.
Still further, the apparatus includes:
the first receiving module is used for receiving electric field signals generated by lightning strike;
the data comparison module is used for comparing the received electric field signal with the waveforms of the electric field signals received before in the database to determine the type of lightning strike;
the second receiving module is used for receiving electric field electromagnetic waves generated by lightning strike through the antenna sensor to obtain a lightning strike point positioning result of the same place;
and the estimation module is used for estimating the electric quantity during lightning strike according to the lightning strike point positioning result.
Still further, the electric field signal generated by the receiving lightning strike includes: the electric field remote sensing part receives an electric field signal generated by lightning strike by adopting an electric field antenna with the frequency band of 0.1Hz-50kHz, and records the change delta E of the electric field;
the received electric field signals are utilized for comparing monitoring data; comparing the electric field signal waveforms with those in a background database to determine the type of lightning strike and distinguish cloud flash from ground flash; the similar electric field signal waveform comprises amplitude and frequency, and changes of the electric field signal waveform are recorded, wherein the changes comprise the amplitude and the waveform; if the cloud flash is generated, the size of the inter-cloud discharge is evaluated; if the lightning is ground flash, evaluating and calculating the lightning quantity;
the electric quantity during lightning strike is estimated according to the lightning strike point positioning result, and the electric quantity during lightning strike is shown as the following formula:
wherein x and y are distances from the planar coordinates of the lightning strike to the monitoring point; z represents the vacuum conductivity obtained by electric field antenna array positioning.
A computer device comprising a storage medium, a processor and a computer program stored on the storage medium and executable on the processor, the processor implementing the steps of any one of the electric field remote sensing based lightning strike charge estimation methods when the computer program is executed.
A computer storage medium, characterized by: the computer storage medium stores a computer program, and the computer program realizes the steps of any lightning strike electric quantity estimation method based on electric field remote sensing when being executed by a processor.
The invention has the following beneficial effects and advantages:
according to the lightning protection and risk assessment method, the positioning result of the lightning point is determined through the device, and the estimation of the electric quantity generated during lightning is realized, so that effective support can be provided for lightning protection and risk assessment of the power system transmission and distribution line, and the lightning protection and risk assessment method has important practical significance for electricity utilization facilities and electricity utilization safety.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of the structure of the device of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The following describes some embodiments of the present invention with reference to fig. 1.
Example 1
The invention provides an embodiment, in particular to a lightning strike electric quantity measuring device based on electric field remote sensing. As shown in fig. 1, fig. 1 is a schematic structural view of the device of the present invention.
The invention comprises the following steps: the device comprises an electric field remote sensing part, an electric field waveform processing and storing part and a data transmission and electric quantity estimation part. The electric field remote sensing part transmits electric field signals to the electric field waveform processing and storing part through a communication line, then monitoring data of each place are transmitted to the monitoring master station through a 4G/5G network and the like, and electric quantity estimation is carried out at the master station.
The electric field remote sensing part is an electric field antenna, the frequency band of the electric field antenna is 0.1Hz-50kHz, and the electric field antenna can receive electric field signals generated by lightning strike judged after the trigger is started.
The electric field waveform processing and storing section includes: integrator/signal amplification, signal trigger, GPS time system or Beidou satellite system, A/D converter and memory.
The data transmission and power estimation section includes: the system comprises a multi-signal collecting unit, an electric quantity estimation and analysis module and a memory.
The electric field remote sensing part is used for receiving electric field signals generated by lightning strike judged after the trigger is started;
the electric field waveform processing and storing part is used for carrying out integration, amplification and A/D conversion on the received electric field signal and storing the waveform data conversion result and GPS synchronization time;
the data transmission and electric quantity estimation part is used for transmitting the stored data to the central server, and estimating the electric quantity during thunder through comparing the monitored data, positioning the thunder points and estimating the electric quantity during thunder.
Example 2
The invention also provides an embodiment, which is a lightning strike electric quantity estimation method based on electric field remote sensing, which is realized by using the lightning strike electric quantity measurement device based on electric field remote sensing according to the embodiment 1, and specifically comprises the following steps:
receiving an electric field signal generated by lightning strike. Specifically, an electric field remote sensing part of the device is utilized to receive an electric field signal generated by lightning strike, and the change of an electric field is recorded;
and comparing the received electric field signal with the waveforms of the electric field signals received before in the database to determine the type of lightning strike. The method specifically comprises the steps of comparing monitoring data by utilizing a received electric field signal; the type of lightning strike is determined mainly by comparison with similar electric field signal waveforms in a background database, wherein the similar electric field signal waveforms comprise amplitude and frequency, and whether cloud flash or ground flash is distinguished. If the cloud flash is generated, the size of the inter-cloud discharge is evaluated; if the lightning is ground flash, the lightning quantity is evaluated and calculated.
Receiving electric field electromagnetic waves generated by lightning strike through an antenna sensor to obtain a lightning strike point positioning result of the same place;
and estimating the electric quantity during lightning strike according to the lightning strike point positioning result.
Example 3
The invention also provides an embodiment, which is a lightning strike electric quantity estimation method based on electric field remote sensing, comprising the following steps:
the electric field remote sensing part receives an electric field signal generated by lightning strike by adopting an electric field antenna with the frequency band of 0.1Hz-50kHz, and records the change delta E of the electric field;
according to the positioning result of the lightning strike positioning system of the same place of the lightning strike electric quantity measuring device based on the electric field remote sensing in the embodiment 1, the electric quantity Q accompanying the lightning strike can be estimated by adopting the following formula;
wherein x and y are distances from the planar coordinates of the lightning strike to the monitoring point; z represents the lightning strike height, i.e. the distance from the initial discharge point to the lightning strike point in the thundercloud, and z can be obtained by positioning the electric field antenna array, and epsilon is the vacuum conductivity.
Example 4
The invention also provides an embodiment, which is a lightning strike electric quantity estimation device based on electric field remote sensing, comprising:
the first receiving module is used for receiving electric field signals generated by lightning strike. The device is particularly used for receiving electric field signals generated by lightning strike by utilizing an electric field remote sensing part of the device and recording the change of an electric field;
the data comparison module is used for comparing the monitoring data by utilizing the received electric field signal and the wave form of the electric field signal received before in the database, and determining the type of lightning strike;
the second receiving module is used for receiving electric field electromagnetic waves generated by lightning strike through the antenna sensor to obtain a lightning strike point positioning result of the same place;
and the estimation module is used for estimating the electric quantity during lightning by positioning the lightning point.
The device is used for realizing the operation steps of the lightning strike electric quantity estimation method based on electric field remote sensing, which is described in the embodiment 2.
Example 5
Based on the same inventive concept, the embodiment of the invention also provides a computer device, which comprises a storage medium, a processor and a computer program stored on the storage medium and capable of running on the processor. The processor executes the computer program to implement any one of the steps of the lightning strike capacity estimation method based on electric field remote sensing described in embodiment 2.
Example 6
Based on the same inventive concept, the embodiment of the present invention further provides a computer storage medium, where a computer program is stored, where the computer program when executed by a processor implements any one of the steps of the lightning strike electric quantity estimation method based on electric field remote sensing described in embodiment 2.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims (10)

1. A lightning strike electric quantity estimation method based on electric field remote sensing is characterized by comprising the following steps: comprising the following steps:
receiving an electric field signal generated by lightning strike;
comparing the received electric field signal with the waveform of the electric field signal received before in the database to determine the type of lightning strike;
receiving electric field electromagnetic waves generated by lightning strike through an antenna sensor to obtain a lightning strike point positioning result of the same place;
and estimating the electric quantity during lightning strike according to the lightning strike point positioning result.
2. The method for estimating the lightning strike capacity based on electric field remote sensing according to claim 1, wherein the method comprises the following steps: the receiving of the electric field signal generated by lightning strike includes: the electric field remote sensing part receives electric field signals generated by lightning strike by adopting an electric field antenna with the frequency band of 0.1Hz-50kHz, and records the change delta E of the electric field.
3. The method for estimating the lightning strike capacity based on electric field remote sensing according to claim 1, wherein the method comprises the following steps: comparing the received electric field signal with the waveforms of the electric field signals received before in the database; comparing the electric field signal waveforms with those in a background database to determine the type of lightning strike and distinguish cloud flash from ground flash; the similar electric field signal waveform comprises amplitude and frequency, and changes of the electric field signal waveform are recorded, wherein the changes comprise the amplitude and the waveform; if the cloud flash is generated, the size of the inter-cloud discharge is evaluated; if the lightning is ground flash, the lightning quantity is evaluated and calculated.
4. The method for estimating the lightning strike capacity based on electric field remote sensing according to claim 1, wherein the method comprises the following steps: the electric quantity during lightning strike is estimated according to the lightning strike point positioning result, and the electric quantity during lightning strike is shown as the following formula:
the method comprises the steps of carrying out a first treatment on the surface of the Wherein x and y are distances from the planar coordinates of the lightning strike to the monitoring point; z represents the lightning falling height, which is the distance from the initial discharge point to the lightning strike point in the thundercloud, and z is obtained by positioning an electric field antenna array, and epsilon is the vacuum conductivity.
5. A lightning strike electric quantity measuring device based on electric field remote sensing is characterized in that: comprising the following steps: the device comprises an electric field remote sensing part, an electric field waveform processing and storing part and a data transmission and electric quantity estimation part; the electric field remote sensing part transmits an electric field signal to the electric field waveform processing and storing part through a communication line, then transmits monitoring data of each place to the monitoring master station through a network, and carries out electric quantity estimation at the master station; comparing the received electric field signal with the waveform of the electric field signal received before in the database to determine the type of lightning strike;
the electric field remote sensing part is an electric field antenna and is used for receiving electric field signals generated by lightning strike judged after the trigger is started; receiving electric field electromagnetic waves generated by lightning strike through an antenna sensor to obtain a lightning strike point positioning result of the same place;
the electric field waveform processing and storing section includes: integrator/signal amplification, signal trigger, GPS time, beidou satellite system, A/D converter and memory;
the data transmission and power estimation section includes: the system comprises a multi-signal collecting unit, an electric quantity estimation and analysis module and a memory;
the electric field remote sensing part is used for receiving electric field signals generated by lightning strike judged after the trigger is started;
the electric field waveform processing and storing part is used for carrying out integration, amplification and A/D conversion on the received electric field signal and storing the waveform data conversion result and GPS synchronization time;
the data transmission and electric quantity estimation part is used for transmitting the stored data to the central server, and estimating the electric quantity during thunder through comparing the monitored data, positioning the thunder points and estimating the electric quantity during thunder.
6. The lightning strike capacity measurement device based on electric field remote sensing according to claim 5, wherein: the frequency band of the electric field antenna is 0.1Hz-50kHz.
7. The lightning strike capacity measurement device based on electric field remote sensing according to claim 5, wherein: comprising the following steps:
the first receiving module is used for receiving electric field signals generated by lightning strike;
the data comparison module is used for comparing the received electric field signal with the waveforms of the electric field signals received before in the database to determine the type of lightning strike;
the second receiving module is used for receiving electric field electromagnetic waves generated by lightning strike through the antenna sensor to obtain a lightning strike point positioning result of the same place;
and the estimation module is used for estimating the electric quantity during lightning strike according to the lightning strike point positioning result.
8. The lightning strike capacity measurement device based on electric field remote sensing according to claim 7, wherein: the electric field signal generated by receiving the lightning strike comprises: the electric field remote sensing part receives an electric field signal generated by lightning strike by adopting an electric field antenna with the frequency band of 0.1Hz-50kHz, and records the change delta E of the electric field;
comparing the received electric field signal with the waveforms of the electric field signals received before in the database; comparing the electric field signal waveforms with those in a background database to determine the type of lightning strike and distinguish cloud flash from ground flash; the similar electric field signal waveform comprises amplitude and frequency, and changes of the electric field signal waveform are recorded, wherein the changes comprise the amplitude and the waveform; if the cloud flash is generated, the size of the inter-cloud discharge is evaluated; if the lightning is ground flash, evaluating and calculating the lightning quantity;
the electric quantity during lightning strike is estimated according to the lightning strike point positioning result, and the electric quantity during lightning strike is shown as the following formula:
the method comprises the steps of carrying out a first treatment on the surface of the Wherein x and y are distances from the planar coordinates of the lightning strike to the monitoring point; z represents the vacuum conductivity obtained by electric field antenna array positioning.
9. A computer device comprising a storage medium, a processor and a computer program stored on the storage medium and executable on the processor, characterized in that the processor implements the steps of a method for estimating a lightning strike capacity based on electric field remote sensing according to any of claims 1-4 when the computer program is executed.
10. A computer storage medium, characterized by: the computer storage medium has a computer program stored thereon, which when executed by a processor implements the steps of a lightning strike capacity estimation method based on electric field remote sensing according to any one of claims 1 to 4.
CN202410048351.3A 2024-01-12 2024-01-12 Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device Pending CN117572103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410048351.3A CN117572103A (en) 2024-01-12 2024-01-12 Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410048351.3A CN117572103A (en) 2024-01-12 2024-01-12 Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device

Publications (1)

Publication Number Publication Date
CN117572103A true CN117572103A (en) 2024-02-20

Family

ID=89864599

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410048351.3A Pending CN117572103A (en) 2024-01-12 2024-01-12 Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device

Country Status (1)

Country Link
CN (1) CN117572103A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333489A (en) * 2001-05-09 2002-11-22 Nippon Soda Co Ltd Method of predicting thunderbolt
CN108845589A (en) * 2018-06-29 2018-11-20 宁夏中科天际防雷研究院有限公司 Ancient building region lightening arresting method and system based on unmanned plane
CN112993958A (en) * 2019-12-02 2021-06-18 武汉凯飞通信科技有限公司 Grounding-free lightning protection method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333489A (en) * 2001-05-09 2002-11-22 Nippon Soda Co Ltd Method of predicting thunderbolt
CN108845589A (en) * 2018-06-29 2018-11-20 宁夏中科天际防雷研究院有限公司 Ancient building region lightening arresting method and system based on unmanned plane
CN112993958A (en) * 2019-12-02 2021-06-18 武汉凯飞通信科技有限公司 Grounding-free lightning protection method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张怡远,等: "基于圆盘模型研究雷暴云电荷在地面产生的静电场", 《四川师范大学学报(自然科学版)》, vol. 46, no. 4, 31 July 2023 (2023-07-31), pages 540 - 546 *
王东海,等: "数学形态学的混合线路故障滤波及定位", 《科学技术与工程》, vol. 21, no. 34, 30 November 2021 (2021-11-30), pages 14582 - 14589 *

Similar Documents

Publication Publication Date Title
CN103728511B (en) D.C. high voltage transmission grounded screen state on-line monitoring system and monitoring method
CN104897958B (en) A kind of discrimination method of transmission line lightning stroke type
JP6067741B2 (en) Lightning strike charge amount estimation system, lightning strike charge amount estimation method, and program
CN103197215A (en) System and method for discharge fault location of geographic information system (GIS) alternating current (AC) voltage withstand test
CN113655340B (en) Transmission line lightning fault positioning method, system and medium based on voiceprint recognition
CN203133233U (en) A discharging fault positioning system in a GIS AC withstand voltage test
CN111537833A (en) Cable comprehensive online monitoring device and method
CN113608023A (en) Sampling frequency self-adaptive harmonic detection method and system
CN112578224A (en) Method and system for processing and positioning faults of power distribution network
CN110554235A (en) Method and system for identifying distribution room based on phase difference of adjacent periods
CN113008361A (en) Substation boundary noise anti-environmental interference detection method and device
CN202393868U (en) Cable oscillatory wave local discharge measurement and location system based on cloud calculation
CN105301507A (en) Method and device for rapid detection of lead-acid battery capacity
CN117572103A (en) Electric field remote sensing-based lightning strike electric quantity estimation method and measuring device
CN103200579A (en) Measurement reporting method, measurement reporting device and measurement reporting system
CN115864449B (en) New energy access system oscillation monitoring method, device, system, equipment and medium
CN212808481U (en) GIL electric arc ultrasonic fault location on-line monitoring device
CN106771491B (en) Zero sequence voltage measuring method and device
CN111537834A (en) Cable fault positioning online monitoring device and method
CN111983509A (en) Distributed line fault detection method and device
CN207488476U (en) Travelling wave ranging calibration equipment
CN212781057U (en) Cable comprehensive on-line monitoring device
CN207488475U (en) Travelling wave ranging calibration equipment with warning function
CN102508124A (en) Detection method of partial discharge of electrical equipment and device thereof
CN115856497A (en) 10kV XLPE cable sheath damage state evaluation method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination