CN110579693A - High GIS partial discharge online monitoring device and method based on wireless transmission - Google Patents
High GIS partial discharge online monitoring device and method based on wireless transmission Download PDFInfo
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
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- 238000012544 monitoring process Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 208000028659 discharge Diseases 0.000 claims description 64
- 238000004891 communication Methods 0.000 claims description 18
- 230000001012 protector Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 238000013135 deep learning Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 101100202644 Parasynechococcus marenigrum (strain WH8102) bsmB gene Proteins 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims 1
- 230000006855 networking Effects 0.000 description 8
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Classifications
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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
- G01R31/1254—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 gas-insulated power appliances or vacuum gaps
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
the invention discloses a high GIS partial discharge online monitoring device and method based on wireless transmission, and relates to an online monitoring device. The interface of built-in sensor of eminence is difficult for demolising, leads to electrified detection blind area. The system comprises a high GIS built-in sensor, a local equipment cabinet, a station end monitoring unit, wireless private network equipment, a switch, a monitoring center data server and a user terminal; the built-in sensor of eminence GIS, on-site equipment cabinet, station end monitoring unit, wireless private network equipment, switch, monitoring center data server, user terminal link to each other in proper order, built-in sensor of eminence GIS links to each other with on-site equipment cabinet through coaxial output line. In the technical scheme, the built-in GIS sensor at the high position of the high position is connected with the local equipment cabinet through the coaxial output line, so that when the local discharge detection is carried out on the built-in GIS sensor, no ladder is needed, and the danger is reduced; and no charged detection blind area exists, so that the GIS charged detection work can be comprehensively carried out.
Description
Technical Field
The invention relates to an online monitoring device, in particular to a high GIS partial discharge online monitoring device based on wireless transmission.
Background
In recent years, Gas Insulated Switchgear (GIS) devices have been widely used in domestic and foreign power systems, especially in extra-high voltage and ultra-high voltage substations, because of their small floor space, good electrical performance, safe and reliable operation, long maintenance cycle, and convenient maintenance, and the primary devices other than transformers, including circuit breakers, disconnectors, base switches, voltage transformers, current transformers, lightning arresters, busbars, etc., are basically of GIS structure. However, with the rapid growth of GIS applications and the increase of operating time, GIS device failures occur occasionally. The GIS equipment has a fault in internal insulation, so that partial discharge faults caused by the fault exist in the GIS equipment, and the fault accounts for the vast majority of the faults of the GIS equipment.
GIS is different from open-type equipment and can be directly seen the structures of primary equipment such as switches, knife switches and ground knives, so that the GIS is important to strengthen the state monitoring of the equipment in the GIS. The GIS partial discharge online monitoring system is widely applied to transformer substations with voltage levels of 1000kV, +/-800 kV, 500kV and the like, and detects whether equipment in the GIS runs well or not through ultrahigh frequency partial discharge and other online monitoring. Meanwhile, the power failure treatment is carried out on possible problems in time, and the load loss of the power system caused by the failure of primary equipment in the GIS is prevented.
At present, a 1000kV GIS partial discharge sensor in an extra-high voltage alternating current transformer substation carries out partial discharge real-time monitoring through a partial discharge online monitoring device through wired transmission, a 500kV GIS partial discharge sensor is installed but is standby, namely, an external line is not connected into the online monitoring device, a 500kV GIS bus is high, a junction box is inconvenient to open when the built-in sensor is disconnected and connected in an electrified detection mode, a long ladder needs to be carried to work, and the danger of collision of GIS equipment exists. According to the specified requirements of the live detection of the GIS equipment of the transformer substation, on-site operation and maintenance personnel carry out the local discharge live detection on the GIS once a month, companies carry out the test once every quarter, provincial electric departments carry out the test once every half year, China electric departments carry out the calculation once a year, the local discharge live test is carried out on the GIS equipment for 19 times every year according to the frequency, the test frequency is very frequent, the local discharge live detection is carried out on the GIS equipment every time, the GIS built-in sensor junction box is required to be disassembled and assembled, and 500kV high built-in sensors are not used and are not connected with external wires. When the partial discharge detection is carried out on the elevator, the elevator climbing is dangerous. Sometimes, for the sake of safety, the interface of the built-in sensor at the high position is not removed, namely, a dead zone of electrified detection exists, and the comprehensive GIS electrified detection work cannot be carried out.
Disclosure of Invention
The technical problem to be solved and the technical task to be solved by the invention are to perfect and improve the prior technical scheme, and provide a high GIS partial discharge online monitoring device based on wireless transmission so as to achieve the purpose of improving the detection safety. Therefore, the invention adopts the following technical scheme.
a high GIS partial discharge online monitoring device based on wireless transmission comprises a high GIS built-in sensor arranged at a high position, a local equipment cabinet arranged on the spot, a station end monitoring unit, wireless private network equipment, a switch, a monitoring center data server and a user terminal; the built-in sensor of eminence GIS, on-site equipment cabinet, station end monitoring unit, wireless private network equipment, switch, monitoring center data server, user terminal link to each other in proper order, built-in sensor of eminence GIS links to each other with on-site equipment cabinet through coaxial output line. In the technical scheme, the built-in sensor of the high GIS at the high position is connected with the local equipment cabinet through the coaxial output line and is connected with the external line, and when the local discharge detection is carried out on the built-in sensor, the climbing ladder is not needed, so that the danger is reduced. And no charged detection blind area exists, so that the GIS charged detection work can be comprehensively carried out.
As a preferable technical means: the high GIS built-in sensor comprises a built-in sensor protection shell and a GIS built-in sensor connector arranged in the built-in sensor protection shell, wherein the GIS built-in sensor connector is a T-shaped tee joint, a built-in partial discharge probe is arranged at the first end of the tee joint, a built-in sensor protector is arranged at the second end of the tee joint, and a coaxial output line is arranged at the third end of the tee joint.
As a preferable technical means: the built-in partial discharge probe and the built-in sensor protector are respectively connected with a male head of the three-way joint through a female head; the coaxial output line is connected with the male end of the three-way joint through the right-angle connector and the female end.
As a preferable technical means: the first end of the three-way joint is arranged downwards, and the second end and the third end are arranged oppositely.
As a preferable technical means: the on-site equipment cabinet is provided with a sensor connecting piece and an Internet of things module; the sensor connecting piece and the Internet of things module are connected through a coaxial cable.
As a preferable technical means: the sensor connecting piece is provided with a cross-shaped four-way joint, and the first end of the four-way joint is used for connecting a coaxial cable of the built-in sensor; the second end of the four-way joint is provided with a sensor overvoltage protector; the third end of the four-way joint is provided with an offline live detector; and the fourth end of the four-way joint is used for connecting the Internet of things module.
As a preferable technical means: the thing networking module include: the system comprises an electromagnetic pulse information receiver for receiving electromagnetic pulse information, a single-channel data processing module for acquiring and processing ultrahigh frequency signals, a built-in memory for storing the acquired ultrahigh frequency signals on site, an Ethernet communication module and a Bluetooth communication module for communication, and a power supply module for supplying power.
As a preferable technical means: the station side monitoring unit is connected with and manages the Internet of things module network, and is used for collecting, checking monitoring data and changing sensor settings; on the other hand, monitoring data are uploaded to a monitoring center data server through integrated electric power wireless private network equipment
the wireless private network equipment comprises a power wireless private network route and wireless receiving equipment, supports APN/VPDN private network card, is used for realizing wireless data communication in a station and receives data through private network base station equipment;
The switch is as follows: the system comprises a data server, a wireless private network device and a wireless private network device, wherein the data server is used for connecting the wireless private network device in the station and transmitting data to a monitoring center data server in the station;
Monitoring center data server: the system is used for storing data of each substation monitoring system. The database is a network service, other computer terminals in the intranet can access data through client software, the database server has a data format conversion function and can be compatible with any data format defined by a user, the specific hardware configuration of the data server is determined according to the data scale and the maximum number of user terminals accessed concurrently, and a server cluster can be configured if necessary;
A user terminal: the system is arranged on any terminal computer of the intranet and is used for accessing data of a monitoring center database; the system can penetrate through a subnet, access a field Internet of things module in real time, call a real-time PRPS map, and display the discharge amplitude, the change trend, the PRPS map and the PRPD map of each monitoring point based on a primary wiring map and a three-dimensional model map of a monitored GIS; the partial discharge type recognition function based on deep learning is provided, the partial discharge type can be diagnosed, partial discharge alarm information can be generated, and a detection report can be issued by one key.
As a preferable technical means: the user terminal adopts the SDMT GIS partial discharge diagnosis platform SD400 technology; the SD400 is a C/S framework, has a partial discharge type identification function based on deep learning, is compatible with 61850 and I2 communication protocols, and is in real-time butt joint with other data backgrounds of users.
The invention also aims to provide a high GIS partial discharge online monitoring method, which comprises the following steps: the built-in sensor of the high GIS transmits a partial discharge signal to a four-way sensor connecting piece in a local equipment cabinet in a mode of an external extension line, the four-way sensor connecting piece transmits the partial discharge signal to an Internet of things module in the local equipment cabinet through a coaxial cable, the Internet of things module transmits data to a station end monitoring unit through Bluetooth, the station end monitoring unit transmits the data to a monitoring center data server through a power wireless private network and a firewall, a user terminal accesses the data of the monitoring center data server and can penetrate through a subnet to access the field Internet of things module in real time, and a real-time PRPS map is called.
Has the advantages that: in the technical scheme, the built-in sensor of the high GIS at the high position is connected with the local equipment cabinet through the coaxial output line and is connected with the external line, and when the local discharge detection is carried out on the built-in sensor, the climbing ladder is not needed, so that the danger is reduced. And no charged detection blind area exists, so that the GIS charged detection work can be comprehensively carried out.
through the improvement to eminence GIS built-in sensor, install external extension line and four-way connection additional, promoted the convenience that special high voltage GIS electrified detected, increased special high voltage GIS built-in sensor's life.
The online monitoring of GIS partial discharge is realized by utilizing the Internet of things and the electric power wireless private network, compared with the traditional method of connecting cables, optical cables and the like, the online monitoring system has the advantages of low cost, simplicity in installation and maintenance, flexibility in networking, ubiquitous data, strong expandability and capability of saving a large amount of site construction and material cost by adopting Bluetooth and wireless transmission.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of a GIS built-in sensor of the present invention.
Fig. 3 is a diagram of a sensor connection of the present invention.
In the figure: 1. built-in sensor of eminence GIS: 101. a GIS built-in sensor connector; 102. a first end of a tee fitting; 103. a second end of the tee fitting; 104. a third end of the tee joint; 105. a built-in sensor protector; 106. a partial discharge probe is arranged inside; 107. a built-in sensor protective housing; 108. a coaxial output line; 109. a right-angle connector; 2. sensor connecting piece: 201. a first end of a four-way joint; 202. a second end of the four-way joint; 203. a third end of the four-way joint; 204. a fourth end of the four-way joint; 3. an Internet of things module; 4. a station side monitoring unit; 5. a wireless private network device; 6. a switch; 7. monitoring a central data server; 8. a user terminal.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
as shown in fig. 1, the invention comprises a high GIS built-in sensor 1 arranged at a high place, a local equipment cabinet arranged on the spot, a station end monitoring unit 4, a wireless private network device 5, a switch 6, a monitoring center data server 7 and a user terminal 8; the built-in sensor 1 of eminence GIS, the local equipment cabinet, the station end monitoring unit 4, the wireless private network equipment 5, the switch 6, the monitoring center data server 7 and the user terminal 8 are connected in sequence, and the built-in sensor 1 of eminence GIS is connected with the local equipment cabinet through the coaxial output line 108.
As shown in fig. 2, the high GIS built-in sensor 1 includes a built-in sensor protection housing 107 and a GIS built-in sensor 101 joint disposed in the built-in sensor protection housing 107, the GIS built-in sensor 101 joint is a T-shaped three-way joint, a built-in partial discharge probe 106 is disposed at a first end 102 of the three-way joint, a built-in sensor protector 105 is disposed at a second end 103 of the three-way joint, and a coaxial output line 108 is disposed at a third end 104 of the three-way joint.
The built-in partial discharge probe 106 and the built-in sensor protector 105 are respectively connected with a male end of the three-way joint through a female end; the coaxial output line 108 is connected with the male end of the three-way joint through the right-angle connector 109 and the female end. Considering the signal attenuation condition, an SMA coaxial cable is used for external extension, and an external SMA coaxial output line 108 is connected to the three-way joint N-type female head by using an N-type right-angle connector 109, specifically, the external connection mode is as shown in fig. 2.
The first end 102 of the three-way joint is arranged downwards, and the second end and the third end are arranged oppositely.
The local equipment cabinet is provided with a sensor connecting piece 2 and an Internet of things module 3; the sensor connecting piece 2 and the Internet of things module 3 are connected through a coaxial cable.
As shown in fig. 3, the sensor connector 2 is provided with a cross-shaped four-way joint, and a first end 201 of the four-way joint is used for connecting a coaxial cable of the built-in sensor GIS; a sensor overvoltage protector is arranged at the second end 202 of the four-way joint; the third end 203 of the four-way joint is provided with an offline live detector; the fourth end 204 of the four-way joint is used for connecting the internet of things module 3.
Thing networking module 3 includes: the system comprises an electromagnetic pulse information receiver for receiving electromagnetic pulse information, a single-channel data processing module for acquiring and processing ultrahigh frequency signals, a built-in memory for storing the acquired ultrahigh frequency signals on site, an Ethernet communication module and a Bluetooth communication module for communication, and a power supply module for supplying power. And the power supply module simultaneously provides power frequency synchronization for the data processing intelligent module.
Station side monitoring unit 4: only one for each substation. On one hand, the Internet of things module 3 network is connected and managed and is used for collecting, checking monitoring data and changing sensor settings; on the other hand, monitoring data are uploaded to a monitoring center data server 7 through the integrated power wireless private network equipment 5.
specific parameter requirements thereof
The wireless private network equipment 5 comprises a power wireless private network route and wireless receiving equipment, supports APN/VPDN private network card, is used for realizing wireless data communication in a station and receives data through private network base station equipment; in the embodiment, a 1.8 GHzTD-LTE power wireless private network is adopted.
The switch 6: the system is used for connecting the in-station wireless private network equipment 5 and transmitting data to the in-station monitoring center data server 7;
Monitoring center data server 7: the system is used for storing data of each substation monitoring system. The database is a network service, other computer terminals in the intranet can access data through client software, the database server has a data format conversion function and can be compatible with any data format defined by a user, the specific hardware configuration of the data server is determined according to the data scale and the maximum number of the user terminals 8 which are accessed concurrently, and a server cluster can be configured if necessary;
The user terminal 8: the terminal software adopts an SDMT GIS partial discharge diagnosis platform SD 400. The SD400 is a C/S framework, is installed on any terminal computer in an intranet, and accesses data in a monitoring center database. The SD400 can penetrate through a subnet, access a field Internet of things module (UHF technology) in real time, call a real-time PRPS map, and display the discharge amplitude, the change trend, the PRPS map and the PRPD map of each monitoring point based on a primary wiring map and a three-dimensional model map of a monitored GIS. The SD400 has an partial discharge type recognition function based on deep learning, and can diagnose the type of partial discharge, generate partial discharge alarm information, and issue a detection report by one-click. The SD400 is compatible with 61850, I2 and other communication protocols, and can be docked with other data backgrounds of users in real time.
When the high-altitude GIS built-in sensor 1 works, a partial discharge signal is transmitted to a four-way sensor connecting piece 2 in a local equipment cabinet by adopting an external extension line mode, the four-way sensor connecting piece 2 transmits the partial discharge signal to an Internet of things module 3 in the local equipment cabinet through a coaxial cable, the Internet of things module 3 transmits data to a station end monitoring unit 4 through Bluetooth, the station end monitoring unit 4 sends the data to a monitoring center data server 7 through a power wireless private network and a firewall, a user terminal 8 accesses the data of the monitoring center data server 7 and can penetrate through a subnet so as to access the field Internet of things module 3 in real time and call a real-time PRPS (pseudo random phase shift) map.
through the improvement to eminence GIS built-in sensor, to the difficult point that eminence GIS partial discharge monitoring exists, through external extension line and cross piece, make things convenient for eminence GIS partial discharge signal to carry out off-line live detection on the spot, recycle thing networking and wireless private network of electric power simultaneously, the wireless private network of full play "safe, reliable, economy, nimble, the ubiquitous" advantage realizes the on-line monitoring that the GIS partial discharge was put. The service life of the built-in sensor of the extra-high voltage GIS is prolonged while the convenience of the extra-high voltage GIS is realized.
The online monitoring of GIS partial discharge is realized by utilizing the Internet of things and the electric power wireless private network, compared with the traditional method of connecting cables, optical cables and the like, the online monitoring system has the advantages of low cost, simplicity in installation and maintenance, flexibility in networking, ubiquitous data, strong expandability and capability of saving a large amount of site construction and material cost by adopting Bluetooth and wireless transmission.
thing networking module 3 is through single channel data processing intelligent object to superfrequency signal acquisition and processing, thing networking module 3 (UHF technique) possesses built-in memory, the data of collection are at first preserved in built-in memory (not less than 5000), then through BLE low energy consumption bluetooth technology or ethernet (net twine) with data transmission to station end monitoring unit 4 again, when taking place with station end monitoring unit 4 communication fault, monitoring data can not break off, also can not lose, will communicate the automatic supplementary biography after resuming in the communication, thing networking module 3 supports communication mode upwards various, it is strong to adopt BLE low energy consumption bluetooth technology scalability, need not the wiring.
The high-altitude GIS partial discharge online monitoring device and the online monitoring method based on wireless transmission shown in fig. 1 to 3 are specific embodiments of the present invention, have embodied the substantial features and the progress of the present invention, and can be modified equivalently in shape, structure and the like according to the practical use requirements and under the teaching of the present invention, which are all within the protection scope of the present solution.
Claims (10)
1. The utility model provides an online monitoring devices is put in eminence GIS office based on wireless transmission which characterized in that: the system comprises a high GIS built-in sensor (1) arranged at a high place, a local equipment cabinet arranged on the spot, a station end monitoring unit (4), wireless private network equipment (5), a switch (6), a monitoring center data server (7) and a user terminal (8); the high GIS built-in sensor (1), the local equipment cabinet, the station end monitoring unit (4), the wireless private network equipment (5), the switch (6), the monitoring center data server (7) and the user terminal (8) are sequentially connected, and the high GIS built-in sensor (1) is connected with the local equipment cabinet through a coaxial output line (108).
2. The high GIS local discharge online monitoring device based on wireless transmission according to claim 1, characterized in that: the high-altitude GIS built-in sensor (1) comprises a built-in sensor protection shell (107) and a GIS built-in sensor (101) joint arranged in the built-in sensor protection shell (107), wherein the GIS built-in sensor (101) joint is a T-shaped three-way joint, a built-in partial discharge probe (106) is arranged at a first end (102) of the three-way joint, a built-in sensor protector (105) is arranged at a second end (103) of the three-way joint, and a coaxial output line (108) is arranged at a third end (104) of the three-way joint.
3. The high GIS local discharge online monitoring device based on wireless transmission according to claim 2, characterized in that: the built-in partial discharge probe (106) and the built-in sensor protector (105) are respectively connected with a male end of the three-way joint through a female end; the coaxial output line (108) is connected with a male head of the three-way joint through a right-angle connector (109) and a female head.
4. The high GIS local discharge online monitoring device based on wireless transmission according to claim 1, characterized in that: the first end (102) of the three-way joint is arranged downwards, and the second end and the third end are arranged oppositely.
5. The high GIS local discharge online monitoring device based on wireless transmission is characterized in that: the local equipment cabinet is provided with a sensor connecting piece (2) and an Internet of things module (3); the sensor connecting piece (2) and the Internet of things module (3) are connected through a coaxial cable.
6. The high GIS local discharge online monitoring device based on wireless transmission is characterized in that: the sensor connecting piece (2) is provided with a cross-shaped four-way joint, and a first end (201) of the four-way joint is used for connecting a coaxial cable of the built-in sensor (GIS); a sensor overvoltage protector is arranged at the second end (202) of the four-way joint; the third end (203) of the four-way joint is provided with an offline live detector; and the fourth end (204) of the four-way joint is used for connecting the Internet of things module (3).
7. The high GIS local discharge online monitoring device based on wireless transmission according to claim 6, characterized in that: the IOT module (3) comprises: the system comprises an electromagnetic pulse information receiver for receiving electromagnetic pulse information, a single-channel data processing module for acquiring and processing ultrahigh frequency signals, a built-in memory for storing the acquired ultrahigh frequency signals on site, an Ethernet communication module and a Bluetooth communication module for communication, and a power supply module for supplying power.
8. The high GIS local discharge online monitoring device based on wireless transmission according to claim 7, characterized in that: the station side monitoring unit (4) is connected with and manages the network of the Internet of things module (3) on one hand, and is used for collecting and checking monitoring data and changing sensor settings; on the other hand, monitoring data are uploaded to a monitoring center data server (7) through the integrated power wireless private network equipment (5)
The wireless private network equipment (5) comprises a power wireless private network route and wireless receiving equipment, supports APN/VPDN private network card, is used for realizing wireless data communication in a station and receives data through private network base station equipment;
The switch (6): the system is used for connecting the in-station wireless private network equipment (5) and transmitting data to an in-station monitoring center data server (7);
Monitoring center data server (7): the system is used for storing data of each substation monitoring system;
The database is a network service, other computer terminals in the intranet can access data through client software, the database server has a data format conversion function and can be compatible with any data format defined by a user, the specific hardware configuration of the data server is determined according to the data scale and the number of the maximum concurrent access user terminals (8), and a server cluster can be configured if necessary;
user terminal (8): the system is arranged on any terminal computer of the intranet and is used for accessing data of a monitoring center database; the system can penetrate through a subnet, access a field Internet of things module (3) in real time, call a real-time PRPS map, and display the discharge amplitude, the change trend, the PRPS map and the PRPD map of each monitoring point based on a primary wiring map and a three-dimensional model map of a monitored GIS; the partial discharge type recognition function based on deep learning is provided, the partial discharge type can be diagnosed, partial discharge alarm information can be generated, and a detection report can be issued by one key.
9. the high GIS local discharge online monitoring device based on wireless transmission according to claim 8, characterized in that: the user terminal (8) adopts the SDMT GIS partial discharge diagnosis platform SD400 technology; the SD400 is a C/S framework, has a partial discharge type identification function based on deep learning, is compatible with 61850 and I2 communication protocols, and is in real-time butt joint with other data backgrounds of users.
10. The high GIS local discharge online monitoring method of the high GIS local discharge online monitoring device based on wireless transmission according to any one of claims 1 to 9 is characterized in that:
The high-altitude GIS built-in sensor (1) transmits a partial discharge signal to a four-way sensor connecting piece (2) in a local equipment cabinet in a mode of externally connecting an extension line, the four-way sensor connecting piece (2) transmits the partial discharge signal to an Internet of things module (3) in the local equipment cabinet through a coaxial cable, the Internet of things module (3) transmits data to a station end monitoring unit (4) through Bluetooth, the station end monitoring unit (4) sends the data to a monitoring center data server (7) through a power wireless private network and a firewall, a user terminal (8) accesses the data of the monitoring center data server (7) and can penetrate through a subnet to access the field Internet of things module (3) in real time and call a real-time PRPS (pulse repetition spectrum).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049267A (en) * | 2019-12-30 | 2020-04-21 | 江苏大烨智能电气股份有限公司 | Intelligent power distribution terminal with communication management function and integrated IEC61850 protocol |
| CN111638046A (en) * | 2020-05-25 | 2020-09-08 | 国网河北省电力有限公司电力科学研究院 | GIS equipment online monitoring system and method |
| CN113702788A (en) * | 2021-09-17 | 2021-11-26 | 广东电网有限责任公司 | Capping type transformer ultrahigh frequency partial discharge signal acquisition device |
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