CN112134358A - Overhead power transmission insulator insulation performance monitoring and analyzing method - Google Patents
Overhead power transmission insulator insulation performance monitoring and analyzing method Download PDFInfo
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- CN112134358A CN112134358A CN202011002613.0A CN202011002613A CN112134358A CN 112134358 A CN112134358 A CN 112134358A CN 202011002613 A CN202011002613 A CN 202011002613A CN 112134358 A CN112134358 A CN 112134358A
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- 239000012212 insulator Substances 0.000 title claims abstract description 106
- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 title description 4
- 239000013307 optical fiber Substances 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000005684 electric field Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 238000007726 management method Methods 0.000 claims description 8
- 238000013500 data storage Methods 0.000 claims description 6
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- 239000013078 crystal Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 10
- 230000035882 stress Effects 0.000 description 22
- 238000001514 detection method Methods 0.000 description 16
- 239000000835 fiber Substances 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
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- 230000002457 bidirectional effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
An overhead transmission line insulator monitoring and analyzing method comprises an insulator monitoring module, an insulator performance display module, a power supply module, a communication module, a data processing and analyzing module and an intelligent early warning decision-making module; the insulator monitoring module comprises a distributed optical fiber sensing unit, a mechanical stress mathematical analysis unit and an electric field intensity conversion module. According to the invention, a high-precision optical fiber sensing technology is introduced in insulator monitoring, and the stress and temperature characteristics of the insulator of the overhead transmission line are accurately detected, so that the online monitoring is more comprehensive and accurate. The invention uses the latest optical fiber sensing technology to firstly provide the method of obtaining the accurate instantaneous stress value by detecting the insulator type change, analyzing the stress value and accurately judging the running state of each stress material.
Description
Technical Field
The invention relates to an overhead transmission line insulator monitoring and analyzing method, and belongs to the technical field of power industry.
Background
The strong smart grid construction requirement is increasingly urgent, and how to accelerate the realization of the strong smart grid is an important subject to which people face. At present, information technology, automation technology and big data technology are highly developed, good technical conditions are provided for power grid intellectualization, and all scientific research departments of a power grid system promote strong smart power grids to develop in different ways. On the other hand, it is to be clearly seen that although the intellectualization of the power grid in terms of operation management is continuously improved, accurate, comprehensive and instant online monitoring of the power transmission line is always established on the basis of the traditional sensors and the traditional power supply stacking, and the improvement in the technical essence is not achieved.
The insulator of the transmission line insulates the live line from the tower, realizes the aerial erection of the high-voltage transmission line, and is an essential device in the stable operation of the line. In order to enhance the reliability of the smart grid and enable the smart grid to be more stable, safer and more economic to operate, the insulator needs to be operated and maintained, so that the good insulating property of the smart grid is ensured, and once the old insulator is not updated and maintained in time due to various factors, the electric gap breakdown between a line and a tower is likely to happen under certain adverse meteorological conditions, so that an uncontrollable grid and personal accidents are caused. Therefore, it is necessary to perform online monitoring on the performance of the insulator of the power transmission line, find the hidden operating trouble of the insulator in time, and remind the operation and maintenance staff to replace the insulator.
At present, a means for monitoring the insulator is generally to use a video device to shoot an external phenomenon of the insulator, judge the running state of the insulator through the surface characteristics of the insulator, monitor the insulator through infrared monitoring, and judge the performance of the insulator through the infrared performance of the insulator.
Distributed fiber optic sensors are sensors that use unique distributed fiber optic detection techniques to measure or monitor spatially distributed and time varying information along a fiber optic transmission path. The sensing optical fiber is arranged along the field, and the information of the spatial distribution and the change with time of the measured field can be simultaneously obtained, so that the method has a plurality of attractions for a plurality of industrial applications. In recent years, the distributed optical fiber sensing technology has been developed greatly, the detection range is larger and larger, the measurement precision is higher and higher, the transmission direction also starts to be bidirectional, a functional short board which previously restricts the application of the distributed optical fiber sensing technology to the transmission line monitoring technology does not exist, and the distributed optical fiber sensing technology is an advanced digital monitoring technology suitable for on-line monitoring of the transmission line. The power transmission line utilizes the characteristics of high-precision measurement of component internal force information by the optical fiber sensor, large transmission distance and small influence, can perform comprehensive mechanical force monitoring analysis on the power transmission line, and guarantees reliable and stable operation of the power transmission line.
In summary, from the practical significance, a reasonable and effective overhead transmission line insulator monitoring and analyzing method has not been provided so far in the aspect of online detection of insulators of overhead transmission lines, especially insulators of extra-high voltage, extra-high voltage and power grid main frameworks.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fine, accurate, reliable and comprehensive overhead transmission line insulator monitoring and analyzing method.
The technical scheme of the invention is as follows:
an overhead transmission line insulator monitoring and analyzing method comprises an insulator monitoring module, an insulator performance display module, a power supply module, a communication module, a data processing and analyzing module and an intelligent early warning decision-making module;
the insulator monitoring module comprises a distributed optical fiber sensing unit, a mechanical stress mathematical analysis unit and an electric field intensity conversion module: the high-precision optical fiber sensing unit consists of a series of high-precision optical fiber sensors, the technology of BOTDR or BOTDA and the like is reasonably selected according to the importance degree of a power transmission line, the voltage level, the size of an insulator, the performance of the insulator and the like, the distributed optical fiber sensors are closely attached and distributed on all parts of the insulator, the optical fiber sensors need enough insulating performance, the optical fiber is spirally wound on the outer surface layer of the insulator, a plurality of optical fibers are prefabricated in the insulator, so that the data information of the inside and the outside of the insulator is adopted, and the material type variable and the temperature variable distributed along the surface of the insulator are timely and continuously obtained by combining several meteorological conditions such as power frequency, strong wind, overvoltage, ice coating and the like, so that a stress field and a temperature field of the cross section of the insulator are formed, the monitoring time interval is very short, the second level is reached at present, and the continuous detection can be carried, the insulator deformation curve and change characteristics presented by the change of meteorological conditions are presented perfectly, and most importantly, the detection unit can be completely used for important lines such as extra-high voltage, main grid structure and the like, and has stable signals, high monitoring precision and strong reliability; the mechanical stress mathematical analysis unit carries out high-precision mathematical modeling according to insulator type change and temperature information acquired by the optical fiber sensor, and needs to test in a laboratory to determine an insulator stressed mechanical analysis model, so as to achieve the degree of directly analyzing and calculating an accurate stress value and a temperature value, and an instant stress value borne by the insulator is obtained by carrying out instant and rapid modeling analysis on insulator deformation, and the stress precision can completely meet the actual needs of system state analysis; the electric field intensity conversion module is arranged on a sensitive part of the insulator by using a novel crystal material, converts original data into electric field intensity, and forms an electric field intensity distribution field taking the insulator as a center so as to judge various performances of the insulator.
The insulator performance display module is responsible for timely and correctly converting stress fields, temperature fields, electric field intensity distribution and vibration conditions of each insulator into a real running state of the insulator, and comprises insulator insulation performance display, an insulator structure damage judgment system, an insulator heating judgment system, an insulator leakage current judgment system and the like, correctly judges normal, abnormal and dangerous states of the insulator in various states, and synchronously displays and reminds in a data application terminal.
The power module is responsible for providing the power for the whole system, and the main mode is as follows: 1. according to the regional distribution condition of the overhead transmission line, combining the existing power supply conditions at the periphery, reasonably planning the position of the high-precision optical fiber sensing detection system, utilizing the existing power supply nearby, and if the conditions allow, using the power supply in a nearby transformer substation; 2. in a remote area, a two-circuit line is newly established for a high-precision optical fiber sensing detection system by combining long-term cost, so that the power supply reliability is ensured;
the communication module is responsible for the safe transmission of monitoring information and mainly comprises two parts, namely wired transmission and wireless transmission, wherein the wired transmission mainly utilizes the existing communication channel of a power grid, and can consider to utilize one communication channel of the existing line OPGW;
the data processing and analyzing module comprises a data storage unit, a data analyzing unit, a data display unit and an interaction unit: the data storage unit is mainly used for orderly storing and reliably classifying the insulator detection information; the data analysis unit mainly utilizes advanced data analysis tools such as a big data technology, an internet + technology, a cloud computing technology and the like to carry out refined analysis and management on stress and temperature change data of the insulator, analyzes the transient stress change rule of the insulator along with the change of ambient temperature, humidity, wind speed, ice coating thickness, illumination and other meteorological conditions, and combines the system tide state to search for insulator operation leaks and summarize the line operation rule so as to provide reliable and rich data support for a strong smart grid; the data display unit is mainly used for carrying out 3D display on the line state data by utilizing various terminal devices, and truly reflecting the simulated line state by combining with VR wearable devices; the interaction unit can enable an operator to communicate with the data system, and behavior information of the operator is stored as a part of line detection data to be reasonably analyzed and accurately predicted.
The intelligent early warning decision module is responsible for receiving data information of all aspects, timely judging the performance state of the insulator of the power transmission line, and timely early warning when the line state is abnormal, so that the potential safety hazard of operation is completely eliminated, and decision data support is provided for an operation management department.
According to the invention, the power supply module is preferably arranged in a management area along the power grid, the area position is stored in the data processing and application system by different codes, and the whole system is reliably and continuously powered by different power supply modes.
According to the invention, the data processing and analyzing module receives the mechanical stress data information of the insulator transmitted by the communication module, stores the mechanical stress data information in the data storage unit in a reasonable mode, carries out comprehensive and high-depth analysis and processing by the data analyzing unit, transmits the processing result to the data display unit, and simulates the stress condition and the future state of each device by the data display unit to early warn various abnormal states and provide data support for various operations such as operation and maintenance, overhaul, planning, design and the like.
The intelligent early warning decision module is responsible for early warning the state of the line in time and providing data support for decision departments.
According to a preferred embodiment of the present invention, the communication transmission unit is responsible for the omnidirectional transmission of status information.
The invention has the advantages that:
according to the invention, a high-precision optical fiber sensing technology is introduced in insulator monitoring, and the stress and temperature characteristics of the insulator of the overhead transmission line are accurately detected, so that the online monitoring is more comprehensive and accurate.
The invention uses the latest optical fiber sensing technology to firstly provide the method of obtaining the accurate instantaneous stress value by detecting the insulator type change, analyzing the stress value and accurately judging the running state of each stress material.
The invention utilizes the characteristic of large detection range (one device can reach the detection radius of 10-70 km) of the optical fiber sensing technology, reasonably arranges the power supply of the whole system, has small investment, large effect, safe and reliable operation, dozens of years of service life and less operation and maintenance work, and avoids the fatal defects of short service life and high cost of the power supply of the traditional online detection method.
The invention monitors the most essential stress and temperature of the ground wire, all the abnormal operation states which appear at present have direct relation with the stress and the temperature, analyzes and summarizes the change rule of the stress and the temperature, and can realize the real fine management of the ground wire.
The invention can realize the monitoring and analysis of all the states of the insulator, including the insulation performance of the insulator, the aging of the insulator, the internal and external damages of the insulator, the abnormal heating of the insulator and the like.
The invention utilizes the novel crystal material to convert the original parameter information into the electric field intensity distribution around the insulator, and the distribution characteristic of the electric field intensity can lead people to finely research the all-round performance of the insulator and judge the running state of the insulator.
The invention can realize the detection of all insulators of the overhead transmission line, has comprehensive information and high data precision, and provides a reliable premise for the decision and development of a power grid.
The invention can be completely used on the main structure lines of extra-high voltage, extra-high voltage and power grid, fills the blank of the prior detection technology, and provides several reasonable and effective means for on-line monitoring of important lines.
Detailed Description
The present invention will be described in detail with reference to examples, but is not limited thereto.
Examples 1,
The insulator on-line monitoring of the overhead transmission line in a certain industrial heavy town is configured by the method (the overhead transmission line insulator monitoring and analyzing method) so as to realize full-state, high-precision and fine detection of each insulator of the overhead transmission line in the town range. The rural area range is about 60km, various heavy industrial factories are distributed in suburbs, the power transmission line grade is high, the reliability requirement is high, and the full-state detection is realized by more than 35 kV.
An overhead transmission line insulator monitoring and analyzing method is realized through the following processes.
The insulator monitoring module transmits real-time, comprehensive and detailed mechanical data information of the overhead transmission line insulator to the data processing and analyzing module: the optical fiber sensing units are reasonably distributed in the ground wires of 35kV transmission lines in villages and towns, the optical fiber sensing units are used for detecting the deformation of the inner part and the outer part of each section of conducting insulator, 6 main devices can meet the requirements of the whole villages and towns through analysis and planning, the detected line information is transmitted to the mechanical mechanics mathematical separation unit, then the mechanical mechanics mathematical separation unit is adapted to a specific mathematical computation model, and the instantaneous stress value of each power grid insulator is obtained after the mathematical model processing.
The power supply module is arranged in a management area along a power grid, the area position is stored in a data processing and application system by different codes, the whole system is reliably and continuously powered by different power supply modes, and more power supplies can be used in villages and towns, and the power supplies can be supplied by nearby power supplies.
The line mechanical stress data information transmitted by the data processing and analyzing module structure communication transmission system is stored in the data storage unit in a reasonable mode, the data analyzing unit performs all-dimensional and high-depth analysis and processing, a processing result is transmitted to the data display unit, the data display unit simulates the stress condition and the future state of each device, various abnormal states are pre-warned, and data support of various operations such as operation, maintenance, planning and the like is provided.
And the communication transmission unit is responsible for the omnibearing transmission of the state information.
Examples 2,
The method for monitoring and analyzing the insulator of the overhead transmission line in the embodiment 1 is different in that the number of lines is small because the lines are located in a remote mountain area, one main device can meet the requirement, and another point is that no power supply is needed nearby, and two lines need to be specially built from a nearest power supply to supply power.
Examples 3,
The method for monitoring and analyzing the insulator of the overhead transmission line in the embodiment 1 is different in that the line is located in an urban area, the number of lines with high voltage grades is small, and one main device can meet the requirement.
Examples 4,
The method for monitoring and analyzing the insulator of the overhead transmission line in the embodiment 1 is different in that the line is located in a remote coastal area, the number of lines is large, the level is low, the number of required equipment is large, no power supply is provided near the other point, and two circuits of lines need to be newly built from a nearest power supply for special power supply.
Examples 5,
The method for monitoring and analyzing the insulator of the overhead transmission line in the embodiment 1 is characterized in that the line is located in a partial saline-alkali environment, and anticorrosion measures are required to be added to equipment.
Claims (5)
1. The monitoring and analyzing method for the insulators of the overhead transmission line is characterized by comprising an insulator monitoring module, an insulator performance display module, a power supply module, a communication module, a data processing and analyzing module and an intelligent early warning decision module;
the insulator monitoring module comprises a distributed optical fiber sensing unit, a mechanical stress mathematical analysis unit and an electric field intensity conversion module: the optical fiber sensing unit consists of a series of high-precision optical fiber sensors; the mechanical stress mathematical analysis unit carries out high-precision mathematical modeling according to insulator type deformation and temperature information acquired by the optical fiber sensor, and needs to test in a laboratory to determine an insulator stressed mechanical analysis model, so as to achieve the degree of directly analyzing and calculating an accurate stress value and a temperature value, and an instant stress value borne by the insulator is obtained by carrying out instant and rapid modeling analysis on insulator deformation; the electric field intensity conversion module is used for converting original data into electric field intensity by utilizing a novel crystal material to be arranged on a sensitive part of the insulator, and an electric field intensity distribution field taking the insulator as a center is formed to be used for judging various performances of the insulator;
the insulator performance display module is responsible for timely and correctly converting stress fields, temperature fields, electric field intensity distribution and vibration conditions of the insulators into real running states of the insulators, correctly judging normal, abnormal and dangerous states of the insulators in various states, and synchronously displaying reminding on a data application terminal;
the power supply module is responsible for providing power supply for the whole system;
the communication module is responsible for the safe transmission of monitoring information;
the data processing and analyzing module comprises a data storage unit, a data analyzing unit, a data display unit and an interaction unit;
the intelligent early warning decision module is responsible for receiving data information of all aspects, timely judging the performance state of the insulator of the power transmission line, and timely early warning when the line state is abnormal, so that the potential safety hazard of operation is completely eliminated, and decision data support is provided for an operation management department.
2. The overhead transmission line insulator monitoring and analyzing method according to claim 1, wherein the power module is arranged in a management area along a power grid, the area position is stored in a data processing and application system by different codes, and the whole system is supplied with power reliably and continuously by different power supply modes.
3. The overhead transmission line insulator monitoring and analyzing method according to claim 1, wherein the data processing and analyzing module receives mechanical stress data information of the insulator transmitted by the communication module, stores the mechanical stress data information in the data storage unit in a reasonable manner, the data analyzing unit performs comprehensive and high-depth analysis and processing, the processing result is transmitted to the data display unit, the data display unit simulates stress conditions and future states of each device, early warning is performed on various abnormal states, and data support for various operations such as operation and maintenance, overhaul, planning and design is provided.
4. The overhead transmission line insulator monitoring and analyzing method according to claim 1, wherein the intelligent early warning decision module is responsible for early warning the line state in time and providing data support for decision departments.
5. The overhead transmission line insulator monitoring and analyzing method of claim 1, wherein the communication transmission unit is responsible for the omni-directional transmission of state information.
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101614602A (en) * | 2009-08-03 | 2009-12-30 | 电子科技大学 | Electricity transmission line monitoring method and device |
CN101881804A (en) * | 2009-05-08 | 2010-11-10 | 华北电力科学研究院有限责任公司 | Method and device for detecting composite insulator on line |
CN101949986A (en) * | 2010-09-20 | 2011-01-19 | 华中电网有限公司 | System for online monitoring fiber grating composite insulator and using method thereof |
CN201773650U (en) * | 2009-12-14 | 2011-03-23 | 山西省电力公司晋中供电分公司 | Composite material insulator capable of immediately monitoring internal strain and temperature variation |
CN203011591U (en) * | 2012-11-14 | 2013-06-19 | 中天日立光缆有限公司 | FBG (Fiber Bragg Grating) stress sensor for power transmission lead |
CN203908712U (en) * | 2014-05-26 | 2014-10-29 | 西安工程大学 | Online stress-monitoring system used for power line tower |
CN105785172A (en) * | 2016-03-08 | 2016-07-20 | 国网内蒙古东部电力有限公司检修分公司 | Insulator deterioration online detecting device and method thereof |
CN106404240A (en) * | 2015-10-14 | 2017-02-15 | 北京信息科技大学 | Undercarriage external load real-time monitoring method based on optical fiber grating sensor |
CN207850562U (en) * | 2017-12-26 | 2018-09-11 | 国网河南省电力公司商丘供电公司 | Multifunctional optical fiber distributed on line monitoring equipment |
CN109212393A (en) * | 2018-10-08 | 2019-01-15 | 国家电网有限公司 | A kind of detection device for insulator deterioration |
-
2020
- 2020-09-22 CN CN202011002613.0A patent/CN112134358A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101881804A (en) * | 2009-05-08 | 2010-11-10 | 华北电力科学研究院有限责任公司 | Method and device for detecting composite insulator on line |
CN101614602A (en) * | 2009-08-03 | 2009-12-30 | 电子科技大学 | Electricity transmission line monitoring method and device |
CN201773650U (en) * | 2009-12-14 | 2011-03-23 | 山西省电力公司晋中供电分公司 | Composite material insulator capable of immediately monitoring internal strain and temperature variation |
CN101949986A (en) * | 2010-09-20 | 2011-01-19 | 华中电网有限公司 | System for online monitoring fiber grating composite insulator and using method thereof |
CN203011591U (en) * | 2012-11-14 | 2013-06-19 | 中天日立光缆有限公司 | FBG (Fiber Bragg Grating) stress sensor for power transmission lead |
CN203908712U (en) * | 2014-05-26 | 2014-10-29 | 西安工程大学 | Online stress-monitoring system used for power line tower |
CN106404240A (en) * | 2015-10-14 | 2017-02-15 | 北京信息科技大学 | Undercarriage external load real-time monitoring method based on optical fiber grating sensor |
CN105785172A (en) * | 2016-03-08 | 2016-07-20 | 国网内蒙古东部电力有限公司检修分公司 | Insulator deterioration online detecting device and method thereof |
CN207850562U (en) * | 2017-12-26 | 2018-09-11 | 国网河南省电力公司商丘供电公司 | Multifunctional optical fiber distributed on line monitoring equipment |
CN109212393A (en) * | 2018-10-08 | 2019-01-15 | 国家电网有限公司 | A kind of detection device for insulator deterioration |
Non-Patent Citations (3)
Title |
---|
蔡炜 等: "复合绝缘子光纤智能监测试验研究", 《高电压技术》 * |
陈继东 等: "光纤式复合绝缘子实现状态监测的实用化研究", 《电瓷避雷器》 * |
黄文生 等: "绝缘子在线检测装置的设计与研究", 《传感器与仪器仪表》 * |
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Application publication date: 20201225 |