CN106054046A - GIS ultrahigh frequency partial discharge online monitoring system - Google Patents
GIS ultrahigh frequency partial discharge online monitoring system Download PDFInfo
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- CN106054046A CN106054046A CN201610679223.4A CN201610679223A CN106054046A CN 106054046 A CN106054046 A CN 106054046A CN 201610679223 A CN201610679223 A CN 201610679223A CN 106054046 A CN106054046 A CN 106054046A
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a GIS ultrahigh frequency partial discharge online monitoring system, and relates to the technical field of discharge detection devices. The system comprises an ultrahigh frequency sensor, a detection instrument main unit, and a processing terminal. The ultrahigh frequency sensor is provided with a signal transmitting unit, and an induction ultrahigh frequency radio signal sensed by the ultrahigh frequency sensor is transmitted to a signal receiving unit through the signal transmitting unit. The signal receiving unit enables the induction ultrahigh frequency radio signal to be transmitted to the detection instrument main unit for preprocessing. After preprocessing, the induction ultrahigh frequency radio signal is transmitted to the processing terminal for processing through a wired network. The processing terminal operates partial discharge analysis software, carries out the processing of the collected data, recognizes the type of partial discharge, and judges the discharge intensity. The data transmission between the sensor and the detection instrument main unit in the system is achieved through a wireless network. The system is easier for arrangement, is more convenient for measurement, can effectively achieve the electrical isolation, and is higher in safety.
Description
Technical field
The present invention relates to discharging detection device technical field, particularly relate to a kind of GIS ultrahigh frequency partial discharge monitoring
System.
Background technology
In Electric Power Equipment Insulation body, dielectric strength and disruptive field intensity are the highest, when shelf depreciation occurs in the least scope,
Breakdown process quickly, will produce the steepest pulse current, and the electromagnetic wave of stimulating frequency up to number GHz.Superfrequency detection is basic
Principle is to be detected, by superfrequency sensor, the ultrahigh-frequency signal produced during shelf depreciation in power equipment, thus obtains
The relevant information of shelf depreciation, it is achieved partial discharge monitoring.
Superfrequency Partial discharge detector is typically made up of following several parts: superfrequency sensor, detecting instrument main frame with
And analyze main frame (notebook computer).In use find: traditional GIS ultrahigh frequency method of testing uses wired letter
Number transmission, need on different sensors, connect the longest holding wire.Owing to holding wire is longer, in the measurements easily because believing
Number line causes sensor contacts loosely, gives to carry and use and all brings very burden.And site environment is changeable, during use easily
Make coaxial cable crust be damaged by scratch, cause measurement inaccurate.
Summary of the invention
The technical problem to be solved is to provide a kind of GIS ultrahigh frequency partial discharge monitoring system, described
System is carried out by wireless network between sensor and detecting instrument main frame the transmission of data, arranges and be easier to, measure more square
Just, and can effectively realize electrical isolation, safety is higher.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of GIS ultrahigh frequency shelf depreciation is online
Monitoring system, it is characterised in that: including superfrequency sensor, detecting instrument main frame and processing terminal, described superfrequency senses
Device is used for sensing superfrequency radio signal, and described superfrequency covers disposed on sensor has signal transmitter unit, described detecting instrument master
Machine is provided with signal receiving unit, superfrequency sensor sensing to sensing superfrequency radio signal launched by described signal
Unit is sent to signal receiving unit, and superfrequency radio signal is sent to described detecting instrument main frame and enters by signal receiving unit
Row pretreatment, is attached by cable network between described detection main frame and processing terminal, and pretreated superfrequency is wireless
The signal of telecommunication is processed to processing terminal by cable-network transmission, and processing terminal runs Analysis of Partial Discharge software, to collection
Data process, identify shelf depreciation type, it is judged that strength of discharge.
Further technical scheme is: the shell of described superfrequency sensor uses irony material and Magnet interface.
Further technical scheme is: described superfrequency sensor includes shell and is positioned at the testing circuit of shell,
Include described testing circuit microprocessor, synchronous acquisition trigger antenna and partial-discharge ultrahigh-frequency detection antenna, and described synchronization is adopted
Collection triggers antenna and is connected with the signal input part of described microprocessor, for receiving the control letter that detecting instrument main frame is sent
Number, this pulse signal, as the synchronous acquisition signal of described partial-discharge ultrahigh-frequency detection antenna, triggers described shelf depreciation special
High-frequency detection antenna carries out the collection of signal；Described partial-discharge ultrahigh-frequency detection antenna inputs with the signal of described microprocessor
End connects, and is used for receiving the internal produced partial-discharge ultrahigh-frequency signal of combined electrical apparatus, this partial-discharge ultrahigh-frequency signal warp
Described microprocessor is sent to described signal receiving unit through described signal transmitter unit after carrying out calculation system.
Further technical scheme is: described synchronous acquisition triggers antenna and is provided with two or more, when plural same
When step trigger collection antenna receives the control signal that detecting instrument main frame is sent, trigger the detection of described partial-discharge ultrahigh-frequency
Antenna carries out the collection of signal.
Further technical scheme is: is filled with epoxy resin between described shell and described testing circuit, passes through ring
Epoxy resins makes testing circuit and casing insulation.
Use and have the beneficial effects that produced by technique scheme: 1) by signal transmitter unit and sensor direct-assembling
Together, shell uses irony material and Magnet interface, it is simple to be fastenedly connected with test position by device.2) when using, signal is sent out
Penetrate unit and signal receiving unit power supply opening, wireless transmit and the reception of ultrahigh-frequency signal, and distance not trusted can be realized
The restriction of number transmission line length.3) compared with traditional wired mode, it is more convenient with onsite application that described system is carried, real
Existing electrical isolation, safety is the highest.4) sensor internal chip selects suitable sample frequency and transmission frequency, it is achieved data
Preliminary treatment on the spot, then carries out data and uploads, it is ensured that while measuring accuracy, effectively avoids on-the-spot various interference, improves number
According to the precision processed.5) scene can be installed a greater number sensor and carried out on-line monitoring, uses instrument host to carry out test sensing
Device switches, it is simple to equipment routing inspection, timely discovering device abnormal conditions.6) superfrequency sensor uses plural synchronous acquisition
Trigger antenna and partial-discharge ultrahigh-frequency detection antenna is carried out the triggering of signals collecting, improve the accuracy of signals collecting.
Accompanying drawing explanation
Fig. 1 is the theory diagram of system described in the embodiment of the present invention；
Fig. 2 is the theory diagram of sensor described in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention is all right
Using other to be different from alternate manner described here to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As it is shown in figure 1, the embodiment of the invention discloses a kind of GIS ultrahigh frequency partial discharge monitoring system, including spy
High frequency sensors, detecting instrument main frame and processing terminal.Described superfrequency sensor is used for sensing superfrequency radio signal,
Described superfrequency covers disposed on sensor has signal transmitter unit, described detecting instrument main frame to be provided with signal receiving unit, superfrequency
Sensor sensing to sensing superfrequency radio signal be sent to signal receiving unit, signal by described signal transmitter unit
Superfrequency radio signal is sent to described detecting instrument main frame and carries out pretreatment, described detection main frame and process by reception unit
Being attached by cable network between terminal, pretreated superfrequency radio signal is given by cable-network transmission and is processed
Terminal processes, and processing terminal runs Analysis of Partial Discharge software, processes the data gathered, and identifies shelf depreciation class
Type, it is judged that strength of discharge.
By signal transmitter unit and signal receiving unit power supply opening during use, wireless of ultrahigh-frequency signal can be realized
Penetrate and receive, and distance is not restricted by signal transmission line length.Compared with traditional wired mode, described system carry and
Onsite application is more convenient, it is achieved electrical isolation, and safety is the highest.Sensor internal chip select suitable sample frequency and
Transmission frequency, it is achieved data in situ preliminary treatment, then carries out data and uploads, it is ensured that while measuring accuracy, effectively avoids existing
The various interference in field, improve the precision that data process.Scene can be installed a greater number sensor and be carried out on-line monitoring, uses instrument master
Machine carries out testing sensor switching, it is simple to equipment routing inspection, timely discovering device abnormal conditions.
In one embodiment of the invention, described superfrequency sensor includes shell and is positioned at the detection electricity of shell
Road, the shell of described superfrequency sensor uses irony material and Magnet interface, by signal transmitter unit and direct group of sensor
Together, shell uses irony material and Magnet interface to dress, it is simple to be fastenedly connected with test position by device.
As in figure 2 it is shown, described testing circuit includes that microprocessor, synchronous acquisition trigger antenna and partial-discharge ultrahigh-frequency inspection
Observation line, described synchronous acquisition triggers antenna and is connected with the signal input part of described microprocessor, is used for receiving detecting instrument master
The control signal that machine is sent, this pulse signal, as the synchronous acquisition signal of described partial-discharge ultrahigh-frequency detection antenna, touches
Detection antenna carries out the collection of signal to send out partial-discharge ultrahigh-frequency described；Described partial-discharge ultrahigh-frequency detection antenna is micro-with described
The signal input part of processor connects, and is used for receiving the internal produced partial-discharge ultrahigh-frequency signal of combined electrical apparatus, this local
Electric discharge ultrahigh-frequency signal is sent to described signal through described signal transmitter unit after described microprocessor carries out calculation system
Receive unit.
Preferably, described synchronous acquisition triggers antenna and is provided with two or more, when plural synchronous acquisition triggers antenna
When receiving the control signal that detecting instrument main frame is sent, trigger described partial-discharge ultrahigh-frequency detection antenna and carry out adopting of signal
Collection.The plural synchronous acquisition that uses superfrequency sensor triggers antenna and partial-discharge ultrahigh-frequency detection antenna is carried out signal
The triggering gathered, improves the accuracy of signals collecting.
Additionally, in order to realize good insulation effect, be filled with epoxy resin between described shell and described testing circuit,
Testing circuit and casing insulation is made by epoxy resin.
Claims (5)
1. a GIS ultrahigh frequency partial discharge monitoring system, it is characterised in that: include superfrequency sensor, detecting instrument
Main frame and processing terminal, described superfrequency sensor is used for sensing superfrequency radio signal, on described superfrequency sensor
Being provided with signal transmitter unit, described detecting instrument main frame is provided with signal receiving unit, the sensing that superfrequency sensor sensing arrives
Superfrequency radio signal is sent to signal receiving unit by described signal transmitter unit, signal receiving unit by superfrequency without
The line signal of telecommunication is sent to described detecting instrument main frame and carries out pretreatment, passes through wired network between described detection main frame and processing terminal
Network is attached, and pretreated superfrequency radio signal is processed to processing terminal by cable-network transmission, processes
The data gathered are processed by terminal operating Analysis of Partial Discharge software, identify shelf depreciation type, it is judged that strength of discharge.
2. GIS ultrahigh frequency partial discharge monitoring system as claimed in claim 1, it is characterised in that: described extra-high keep pouring in
The shell of sensor uses irony material and Magnet interface.
3. GIS ultrahigh frequency partial discharge monitoring system as claimed in claim 1, it is characterised in that: described extra-high keep pouring in
Sensor includes shell and is positioned at the testing circuit of shell, and described testing circuit includes that microprocessor, synchronous acquisition trigger antenna
Detecting antenna with partial-discharge ultrahigh-frequency, described synchronous acquisition triggers antenna and is connected with the signal input part of described microprocessor,
For receiving the control signal that detecting instrument main frame is sent, this control signal detects antenna as described partial-discharge ultrahigh-frequency
Synchronous acquisition signal, trigger described partial-discharge ultrahigh-frequency detection antenna and carry out the collection of signal；Described shelf depreciation is extra-high
Frequency detection antenna is connected with the signal input part of described microprocessor, is used for receiving the internal produced shelf depreciation of combined electrical apparatus
Ultrahigh-frequency signal, this partial-discharge ultrahigh-frequency signal is launched single after described microprocessor carries out calculation system through described signal
Unit is sent to described signal receiving unit.
4. GIS ultrahigh frequency partial discharge monitoring system as claimed in claim 3, it is characterised in that: described synchronous acquisition
Trigger antenna and be provided with two or more, receive, when plural synchronous acquisition triggers antenna, the control that detecting instrument main frame is sent
During signal processed, trigger described partial-discharge ultrahigh-frequency detection antenna and carry out the collection of signal.
5. GIS ultrahigh frequency partial discharge monitoring system as claimed in claim 3, it is characterised in that: described shell and institute
State and between testing circuit, be filled with epoxy resin, make testing circuit and casing insulation by epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679223.4A CN106054046A (en) | 2016-08-17 | 2016-08-17 | GIS ultrahigh frequency partial discharge online monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679223.4A CN106054046A (en) | 2016-08-17 | 2016-08-17 | GIS ultrahigh frequency partial discharge online monitoring system |
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| CN106054046A true CN106054046A (en) | 2016-10-26 |
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| CN201610679223.4A Pending CN106054046A (en) | 2016-08-17 | 2016-08-17 | GIS ultrahigh frequency partial discharge online monitoring system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771935A (en) * | 2017-02-23 | 2017-05-31 | 全球能源互联网研究院 | A kind of extra-high video sensor drawn game portion discharge on-line monitoring system |
| CN108344930A (en) * | 2018-01-31 | 2018-07-31 | 国家电网公司 | A kind of monitoring device and method of ring main unit temperature and shelf depreciation |
| CN109358273A (en) * | 2018-11-16 | 2019-02-19 | 国网宁夏电力有限公司电力科学研究院 | Superfrequency detection system based on crusing robot |
| CN109752634A (en) * | 2019-03-01 | 2019-05-14 | 浙江新图维电子科技有限公司 | A kind of cable connector resonant mode mutual inductance partial discharge detection device and detection method |
| CN113009290A (en) * | 2021-02-05 | 2021-06-22 | 江苏大学 | Extra-high voltage GIS equipment partial discharge type identification and positioning method and system |
| CN114167241A (en) * | 2021-12-07 | 2022-03-11 | 北京泰岳天成科技有限公司 | High-frequency current partial discharge signal monitoring method, sensing device and partial discharge monitoring system |
| CN115791928A (en) * | 2022-09-01 | 2023-03-14 | 国网山东省电力公司菏泽供电公司 | SF used in GIS 6 Gas decomposition product on-line detection system and method |
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| EP2685268A1 (en) * | 2012-07-13 | 2014-01-15 | Siemens Aktiengesellschaft | Method for ultra-high-frequency partial discharge measurement and associated device |
| CN103513165A (en) * | 2012-04-11 | 2014-01-15 | 国网辽宁省电力有限公司鞍山供电公司 | On-line monitoring system and method for GIS ultrahigh frequency local discharge |
| CN104049185A (en) * | 2014-05-22 | 2014-09-17 | 西安富邦科技实业有限公司 | Portable partial discharge detecting system and method |
| CN204256114U (en) * | 2014-12-17 | 2015-04-08 | 广州供电局有限公司 | GIS partial discharge detects with wireless superfrequency sensor |
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| CN103513165A (en) * | 2012-04-11 | 2014-01-15 | 国网辽宁省电力有限公司鞍山供电公司 | On-line monitoring system and method for GIS ultrahigh frequency local discharge |
| EP2685268A1 (en) * | 2012-07-13 | 2014-01-15 | Siemens Aktiengesellschaft | Method for ultra-high-frequency partial discharge measurement and associated device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771935A (en) * | 2017-02-23 | 2017-05-31 | 全球能源互联网研究院 | A kind of extra-high video sensor drawn game portion discharge on-line monitoring system |
| CN108344930A (en) * | 2018-01-31 | 2018-07-31 | 国家电网公司 | A kind of monitoring device and method of ring main unit temperature and shelf depreciation |
| CN108344930B (en) * | 2018-01-31 | 2020-03-17 | 国家电网公司 | Device and method for monitoring temperature and partial discharge of ring main unit |
| CN109358273A (en) * | 2018-11-16 | 2019-02-19 | 国网宁夏电力有限公司电力科学研究院 | Superfrequency detection system based on crusing robot |
| CN109752634A (en) * | 2019-03-01 | 2019-05-14 | 浙江新图维电子科技有限公司 | A kind of cable connector resonant mode mutual inductance partial discharge detection device and detection method |
| CN109752634B (en) * | 2019-03-01 | 2024-02-27 | 浙江新图维电子科技有限公司 | Cable joint resonant mutual inductance partial discharge detection device and detection method |
| CN113009290A (en) * | 2021-02-05 | 2021-06-22 | 江苏大学 | Extra-high voltage GIS equipment partial discharge type identification and positioning method and system |
| CN113009290B (en) * | 2021-02-05 | 2022-12-16 | 江苏大学 | Extra-high voltage GIS equipment partial discharge type identification and positioning method and system |
| CN114167241A (en) * | 2021-12-07 | 2022-03-11 | 北京泰岳天成科技有限公司 | High-frequency current partial discharge signal monitoring method, sensing device and partial discharge monitoring system |
| CN115791928A (en) * | 2022-09-01 | 2023-03-14 | 国网山东省电力公司菏泽供电公司 | SF used in GIS 6 Gas decomposition product on-line detection system and method |
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Application publication date: 20161026 |
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