CN201788252U - Fault location device for power transmission line struck by lightning - Google Patents
Fault location device for power transmission line struck by lightning Download PDFInfo
- Publication number
- CN201788252U CN201788252U CN201020266819XU CN201020266819U CN201788252U CN 201788252 U CN201788252 U CN 201788252U CN 201020266819X U CN201020266819X U CN 201020266819XU CN 201020266819 U CN201020266819 U CN 201020266819U CN 201788252 U CN201788252 U CN 201788252U
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- China
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- transmission line
- sensor
- communication module
- location device
- lightning stroke
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Locating Faults (AREA)
Abstract
The utility model provides a fault location device for a power transmission line struck by lightning. The fault location device includes a control unit, a clock circuit, a communication module, a digital-to-analogue conversion unit, an analogue switch, a power source, a sensor of power frequency current and a sensor of lightning stroke current, wherein the control unit is connected with and controls the clock circuit; the control unit is connected with and controls the communication module; the sensor of power frequency current and the sensor of lightning stroke current are connected with the analogue switch in sequence; and the analogue switch is connected with the control unit through the digital-to-analogue conversion unit. The fault location device provided by the utility model achieves correct fault positioning. The fault location device can be directly connected with an iron tower, the faults are judged according to waveforms, the requirements on the sampling precision and algorithms are low, and the tower position where the lightning faults and power-frequency earthing faults can be detected correctly. Therefore, time is saved for the first-aid repair to the broken tower.
Description
Technical field
The utility model relates to a kind of transmission line lightning stroke fault locator, relates in particular to a kind of transmission line lightning stroke fault locator that can prepare to provide localizing objects fast.
Background technology
China region is wide, and the various places environment differs greatly, and related data shows that most faults of electrical equipment are the insulativity faults.Especially ultra-high-tension power transmission line, equipment is exposed in the various abominable physical environments, is subjected to Effect of Environmental such as thunderbolt, filth, windage yaw, misty rain, ice and snow easily and makes insulation impaired, causes the generation of earth fault.In causing power grid accident four big principal elements, be struck by lightning and stand in the breach, come before outside destroy, personnel's responsibility and the electrical secondary system problem three big factors.Because it is sudden that this accident has, so its loss that causes to society is far longer than the loss of equipment itself.
How can determine the transmission line lightning stroke location of fault fast and accurately, be the problem that present intelligent grid must solve.
The utility model content
The utility model provides a kind of transmission line lightning stroke fault locator that can prepare to provide localizing objects fast.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
A kind of transmission line lightning stroke fault locator, it comprises control module, clock circuit, communication module, D/A conversion unit, analog switch, power supply, power current sensor and thunder-strike current sensor, and described control module connects the described clock circuit of control; Affiliated control module connects the described communication module of control, and described power current sensor and thunder-strike current sensor are connected to described analog switch, and described analog switch is connected to described control module by described D/A conversion unit.
Described power supply comprises Power Management Unit, accumulator and solar cell, and described battery management unit connects described accumulator of control and described solar cell respectively.
Described communication module is a wireless communication module.
It also comprises temperature sensor, and described temperature sensor is connected described analog switch.
It also comprises humidity sensor, and described humidity sensor is connected described analog switch.
Device of the present utility model, localization of fault is accurate, can directly be installed in this device on the iron tower, main by the waveform failure judgement, less demanding to sampling precision and algorithm, can accurately detect the thunderbolt and the shaft tower position of power frequency earth fault, thereby save time for the repairing of fault.
After combining detected temperature, humidity situation, can take place to provide statistical study to fault with the incidence relation of environmental factor.
Description of drawings
The utility model comprises following accompanying drawing:
Fig. 1 is the utility model basic circuit diagram.
Embodiment
With embodiment the utility model is described in further detail with reference to the accompanying drawings below:
As shown in the figure, present embodiment is a kind of performance of simplifying most of the present utility model, is used for principle of specification.A kind of transmission line lightning stroke fault locator, it comprises control module, clock circuit, communication module, D/A conversion unit, analog switch, power supply, power current sensor and thunder-strike current sensor, and described control module connects the described clock circuit of control; Affiliated control module connects the described communication module of control, and described power current sensor and thunder-strike current sensor are connected to described analog switch, and described analog switch is connected to described control module by described D/A conversion unit.
Described power supply comprises Power Management Unit, accumulator and solar cell, and described battery management unit connects described accumulator of control and described solar cell respectively.
Described communication module is a wireless communication module.
It also comprises temperature sensor, and described temperature sensor is connected described analog switch.
It also comprises humidity sensor, and described humidity sensor is connected described analog switch.
The device of present embodiment, localization of fault is accurate, can directly be installed in this device on the iron tower, main by the waveform failure judgement, less demanding to sampling precision and algorithm, can accurately detect the thunderbolt and the shaft tower position of power frequency earth fault, thereby save time for the repairing of fault.
After combining detected temperature, humidity situation, can take place to provide statistical study to fault with the incidence relation of environmental factor.
Those skilled in the art do not break away from essence of the present utility model and spirit, can there be the various deformation scheme to realize the utility model, the above only is the preferable feasible embodiment of the utility model, be not so limit to interest field of the present utility model, the equivalent structure that all utilization the utility model instructionss and accompanying drawing content are done changes, and all is contained within the interest field of the present utility model.
Claims (5)
1. transmission line lightning stroke fault locator, it is characterized in that: it comprises control module, clock circuit, communication module, D/A conversion unit, analog switch, power supply, power current sensor and thunder-strike current sensor, and described control module connects the described clock circuit of control; Affiliated control module connects the described communication module of control, and described power current sensor and thunder-strike current sensor are connected to described analog switch, and described analog switch is connected to described control module by described D/A conversion unit.
2. a kind of transmission line lightning stroke fault locator according to claim 1, it is characterized in that: described power supply comprises Power Management Unit, accumulator and solar cell, and described battery management unit connects described accumulator of control and described solar cell respectively.
3. a kind of transmission line lightning stroke fault locator according to claim 1 is characterized in that: described communication module is a wireless communication module.
4. a kind of transmission line lightning stroke fault locator according to claim 1, it is characterized in that: it also comprises temperature sensor, described temperature sensor is connected described analog switch.
5. a kind of transmission line lightning stroke fault locator according to claim 1, it is characterized in that: it also comprises humidity sensor, described humidity sensor is connected described analog switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020266819XU CN201788252U (en) | 2010-07-21 | 2010-07-21 | Fault location device for power transmission line struck by lightning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020266819XU CN201788252U (en) | 2010-07-21 | 2010-07-21 | Fault location device for power transmission line struck by lightning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788252U true CN201788252U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201020266819XU Expired - Fee Related CN201788252U (en) | 2010-07-21 | 2010-07-21 | Fault location device for power transmission line struck by lightning |
Country Status (1)
| Country | Link |
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| CN (1) | CN201788252U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628913A (en) * | 2012-04-09 | 2012-08-08 | 清华大学 | Electric transmission line three-dimensional lightning calculating method based on electric transmission line structure and terrain |
| WO2015135485A1 (en) * | 2014-03-12 | 2015-09-17 | 国家电网公司 | Lightning strike distinguishing and locating method for optical fibre composite overhead ground wire |
| CN104977507A (en) * | 2015-06-29 | 2015-10-14 | 广西大学 | Lightning fault positioning detection apparatus |
| CN106771874A (en) * | 2016-12-30 | 2017-05-31 | 国家电网公司 | Power transmission line lightning shielding fault location monitoring system and monitoring method |
| CN109406853A (en) * | 2018-09-10 | 2019-03-01 | 昆明理工大学 | A kind of electric power line pole tower lightning stroke monitoring device and method |
| CN111239543A (en) * | 2020-02-06 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | Fault positioning method based on lightning overvoltage gradient transmission characteristic |
| CN113092879A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司清远供电局 | Transmission line lightning stroke monitoring method, device, equipment and storage medium |
-
2010
- 2010-07-21 CN CN201020266819XU patent/CN201788252U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628913A (en) * | 2012-04-09 | 2012-08-08 | 清华大学 | Electric transmission line three-dimensional lightning calculating method based on electric transmission line structure and terrain |
| CN102628913B (en) * | 2012-04-09 | 2014-03-12 | 清华大学 | Electric transmission line three-dimensional lightning calculating method based on electric transmission line structure and terrain |
| WO2015135485A1 (en) * | 2014-03-12 | 2015-09-17 | 国家电网公司 | Lightning strike distinguishing and locating method for optical fibre composite overhead ground wire |
| CN104977507A (en) * | 2015-06-29 | 2015-10-14 | 广西大学 | Lightning fault positioning detection apparatus |
| CN106771874A (en) * | 2016-12-30 | 2017-05-31 | 国家电网公司 | Power transmission line lightning shielding fault location monitoring system and monitoring method |
| CN106771874B (en) * | 2016-12-30 | 2019-12-03 | 国家电网公司 | Power transmission line lightning shielding fault location monitoring system and monitoring method |
| CN109406853A (en) * | 2018-09-10 | 2019-03-01 | 昆明理工大学 | A kind of electric power line pole tower lightning stroke monitoring device and method |
| CN111239543A (en) * | 2020-02-06 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | Fault positioning method based on lightning overvoltage gradient transmission characteristic |
| CN111239543B (en) * | 2020-02-06 | 2021-09-03 | 云南电网有限责任公司电力科学研究院 | Fault positioning method based on lightning overvoltage gradient transmission characteristic |
| CN113092879A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司清远供电局 | Transmission line lightning stroke monitoring method, device, equipment and storage medium |
| CN113092879B (en) * | 2021-03-31 | 2022-07-29 | 广东电网有限责任公司清远供电局 | Transmission line lightning stroke monitoring method, device, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20170721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |