CN203811762U - Gas insulated switchgear (GIS) partial discharge monitoring apparatus - Google Patents
Gas insulated switchgear (GIS) partial discharge monitoring apparatus Download PDFInfo
- Publication number
- CN203811762U CN203811762U CN201420199552.5U CN201420199552U CN203811762U CN 203811762 U CN203811762 U CN 203811762U CN 201420199552 U CN201420199552 U CN 201420199552U CN 203811762 U CN203811762 U CN 203811762U
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- Prior art keywords
- partial discharge
- high frequency
- intelligent assembly
- gis
- frequency current
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 5
- 238000012806 monitoring device Methods 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Classifications
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- Y02B60/50—
Abstract
The utility model discloses a gas insulated switchgear (GIS) partial discharge monitoring apparatus which comprises a plurality of smart components arranged on a work spot of a gas insulated metal enclosed switchgear. Each smart component is connected with an ultra high frequency sensor and a high frequency current sensor which monitor partial discharge electric signals online. Each ultra high frequency sensor is mounted on the insulation plate of its corresponding smart component. Each high frequency current sensor is arranged on the terminal grounding wire of the outlet cable of its corresponding smart component. The smart components are provided with solar energy cell panels for supplying power therewith; the smart components are communicated and connected with a remote terminal through a wireless communication module. The gas insulated switchgear partial discharge apparatus provided in this utility is capable of realizing wireless remote monitoring, and has advantages of transmitting a large amount of data at a rapid speed and to a far distance. Further, the apparatus does not take complex wiring work on a spot since it is convenient to mount on a spot. Beyond that, since it adopts solar energy to provide power, it fully utilizes outdoors solar energy, therefore, making it an energy saving and environmentally friendly apparatus.
Description
Technical field
The utility model relates to a kind of electrical Equipment On-Line Monitoring System, and particularly a kind of GIS partial discharge monitoring device, belongs to electric performance testing device technical field.
Background technology
Cubicle Gas-Insulated Switchgear (GIS) is using sulfur hexafluoride gas as insulation and arc-extinguishing medium, by modules such as isolating switch, disconnector, grounding switch, insulation plate, electric current and voltage transformer (VT), lightning arrester, bus, cable terminations, combine with modular construction, and be all enclosed in the combined switch equipment in metal shell.With respect to traditional air-insulated switchgear, it has the features such as floor area is little, security performance good, reliability is high, the time between overhauls(TBO) is long, the fast development of therefore building along with China's power industry, and GIS is widely used.
The safe operation of GIS is most important to stablizing of electric system, and will ensure the safe operation of GIS, must the testing of value and strengthen to it.Because the field intensity in GIS is very high, in the time there are some defects in device interior, the generation shelf depreciation that will be in operation, and inspire uhf electromagnetic wave and acoustic signals.Shelf depreciation is to cause the apparatus insulated deteriorated one of the main reasons of GIS, is also the key character of describing GIS insulation ag(e)ing simultaneously.By the determination and analysis to Partial discharge signal, can judge whether GIS inside exists certain insulation hidden danger.
The GIS partial discharge monitoring system of prior art comprises intelligent assembly, and uhf sensor and High Frequency Current Sensor for on-line monitoring local discharge signal are installed on intelligent assembly.Wherein, intelligent assembly is the general designation of secondary device, comprises measure and control device, protective device, measuring and controlling protective device, state monitoring apparatus, intelligent terminal etc., can be also the set of several devices, as GIS convergence control cabinet, screen cabinet etc.
Its weak point is, because the intelligent assembly primary equipment that wants help is carried out transmission and distributed the work of electric energy, the responsibilities such as measurement, control, protection, metering have also been undertaken simultaneously, therefore its field wiring is comparatively complicated, not only for on-the-spot installation increased difficulty and brought inconvenience to the repair and maintenance of later stage fault; How long the phase is operated in open air to intelligent assembly, and range data processing center is far away, if adopt wireline equipment to carry out data communication, communication distance and each transmitted data amount all limited, communication speed slowly and wire transmission cost higher; In addition, the outdoor environment that intelligent assembly works in solar energy source abundance but adopts mains-supplied, there is energy dissipation phenomenon, and, the uhf sensor of on-line monitoring local discharge signal and the installation site of High Frequency Current Sensor are more random, because the environment electromagnetics being positioned disturbed by force, be easy to the problem that causes Monitoring Data precision not high.
Utility model content
The purpose of this utility model is for deficiency of the prior art, a kind of GIS partial discharge monitoring device is provided, solves the technical matters that in prior art, intelligent assembly field wiring is loaded down with trivial details, data transmission slow, energy utilization rate is not high, Monitoring Data precision is not high.
Achieve the above object in order to solve, the technical scheme that the utility model adopts is:
A kind of GIS partial discharge monitoring device, comprise the some groups of intelligent assemblies in Cubicle Gas-Insulated Switchgear working site respectively, on each intelligent assembly, be all connected with uhf sensor and High Frequency Current Sensor for on-line monitoring local discharge signal, it is characterized in that: described uhf sensor is arranged on the insulation plate of corresponding intelligent assembly, described High Frequency Current Sensor is arranged on the terminal ground wire of outlet cable of corresponding intelligent assembly, solar panel to its power supply is also installed on described intelligent assembly, described intelligent assembly is connected with remote terminal communication by wireless communication module.
Described wireless communication module is 3G communication module, and described 3G communication module is connected with the 3G on-line module wireless telecommunications that are connected on remote terminal.
Described solar panel is crystal silicon solar energy battery, crystal silicon solar energy battery comprises polysilicon solar cell and monocrystaline silicon solar cell, monocrystaline silicon solar cell photoelectric transformation efficiency is higher, it is cheap that polysilicon solar cell is compared monocrystaline silicon solar cell, and user can select according to actual needs voluntarily.
Described uhf sensor is arranged on the center of the insulation plate of corresponding intelligent assembly.
Aforesaid a kind of GIS partial discharge monitoring device, is characterized in that: the outside of described uhf sensor and High Frequency Current Sensor is equipped with layer of metal radome.
The beneficial effects of the utility model are: GIS partial discharge monitoring device of the present utility model, uhf sensor is arranged on the center of the insulation plate of corresponding intelligent assembly, High Frequency Current Sensor is arranged on the terminal ground wire of outlet cable of corresponding intelligent assembly, can isolating exterior electromagnetic field to uhf sensor, the interference of High Frequency Current Sensor, improve measuring accuracy, and, solar panel to its power supply is also installed on intelligent assembly, make full use of outdoor sun power, energy-conserving and environment-protective, intelligent assembly is connected with remote terminal communication by wireless communication module, realize wireless remote monitering, possesses volume of transmitted data large, transmission speed is fast, the advantage of long transmission distance, also avoid on-the-spot loaded down with trivial details wiring work, convenient on-the-spot installation, have a good application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of GIS partial discharge monitoring device of the present utility model.
Fig. 2 is the syndeton schematic diagram of intelligent assembly of the present utility model.
In accompanying drawing, the implication of mark is as follows:
1, intelligent assembly; 2, uhf sensor; 3, High Frequency Current Sensor; 4, solar panel; 5, wireless communication module; 6,3G on-line module; 7, remote terminal.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in Figures 1 and 2, a kind of GIS partial discharge monitoring device, comprise the some groups of intelligent assemblies 1 in Cubicle Gas-Insulated Switchgear (GIS) working site respectively, on each intelligent assembly 1, be all connected with uhf sensor 2 and High Frequency Current Sensor 3 for on-line monitoring local discharge signal, uhf sensor 2 is arranged on the insulation plate of corresponding intelligent assembly 1, especially in order to improve detection effect, be arranged on the center of the insulation plate of corresponding intelligent assembly 1, High Frequency Current Sensor 3 is arranged on the terminal ground wire of outlet cable of corresponding intelligent assembly 1, and the outside of uhf sensor 2 and High Frequency Current Sensor 3 is equipped with layer of metal radome, uhf sensor 2 and High Frequency Current Sensor 3 are selected different installation sites, can be good at isolating electromagnetic field uhf sensor 2 and High Frequency Current Sensor 3 collected the interference of signal, improve the degree of accuracy of monitoring, solar panel 4 to its power supply is also installed on intelligent assembly 1, solar panel 4 is crystal silicon solar energy battery, crystal silicon solar energy battery comprises polysilicon solar cell and monocrystaline silicon solar cell, monocrystaline silicon solar cell photoelectric transformation efficiency is higher, it is cheap that polysilicon solar cell is compared monocrystaline silicon solar cell, user can select according to actual needs voluntarily, the electric power system of intelligent assembly 1 also can adopt the electric power system of existing civil power and sun power complementation in prior art, configure a civil power intelligence switch, when running into continuous multiple rainy weather, when solar panel 4 electric weight exhaust, automatically switch to civil power output, with mains hybrid, for intelligent assembly 1 provides stable electric power system.
Described intelligent assembly 1 is connected with remote terminal 7 communications by wireless communication module 5, wireless communication module 5 is 3G communication module, 3G communication module adopts WCDMA standard, corresponding remote terminal 7 is provided with 3G on-line module 6, 3G on-line module 6 carries out communication with the multiple 3G communication modules that are connected on 3G communication network simultaneously, communication network is supported TCP/IP, the stipulations such as IEC61850 and DL/T860, satisfied and higher level user provides data call and the Background communication between intelligent assembly 1, the 3G communication module that each intelligent assembly 1 of the present utility model connects is connected with 3G on-line module 6 wireless telecommunications that are connected on remote terminal.
The course of work of the present utility model is that intelligent assembly 1 carries out signals collecting to uhf sensor 2 and High Frequency Current Sensor 3 respectively; Then two kinds of dissimilar data are carried out to data filtering, remove to greatest extent ground unrest, to obtain real partial discharge pulse signal; Then filtered data are carried out to eigenwert extraction, obtain multiple characteristic quantities with signal diagnostic value, include: Sensor position, strength of discharge average, partial discharge quantity maximal value, electric discharge and 50Hz correlativity, electric discharge and 100Hz correlativity, discharge signal spectrogram, data communication abnormal alarm, monitoring device abnormal alarm, alarm level, electric discharge type etc.; Last usage data statistics and Intelligent Diagnosis Technology, carry out analyzing and diagnosing to all historical signal, provide the diagnosis of high confidence level and provide associated maintenance suggestion, by data result teletransmission to remote terminal 7.
More than show and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a GIS partial discharge monitoring device, comprise the some groups of intelligent assemblies (1) in Cubicle Gas-Insulated Switchgear working site respectively, on each intelligent assembly (1), be all connected with uhf sensor (2) and High Frequency Current Sensor (3) for on-line monitoring local discharge signal, it is characterized in that: described uhf sensor (2) is arranged on the insulation plate of corresponding intelligent assembly (1), described High Frequency Current Sensor (3) is arranged on the terminal ground wire of outlet cable of corresponding intelligent assembly (1), solar panel (4) to its power supply is also installed on described intelligent assembly (1), described intelligent assembly (1) is connected with remote terminal (7) communication by wireless communication module (5).
2. a kind of GIS partial discharge monitoring device according to claim 1, is characterized in that: described wireless communication module (5) is 3G communication module, and described 3G communication module is connected with 3G on-line module (6) wireless telecommunications that are connected on remote terminal.
3. a kind of GIS partial discharge monitoring device according to claim 1, is characterized in that: described solar panel (4) is crystal silicon solar energy battery.
4. a kind of GIS partial discharge monitoring device according to claim 1, is characterized in that: the center of described uhf sensor (2) is in the center of the insulation plate of corresponding intelligent assembly (1).
5. a kind of GIS partial discharge monitoring device according to claim 1, is characterized in that: the outside of described uhf sensor (2) and High Frequency Current Sensor (3) is equipped with layer of metal radome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199552.5U CN203811762U (en) | 2014-04-23 | 2014-04-23 | Gas insulated switchgear (GIS) partial discharge monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199552.5U CN203811762U (en) | 2014-04-23 | 2014-04-23 | Gas insulated switchgear (GIS) partial discharge monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811762U true CN203811762U (en) | 2014-09-03 |
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| CN201420199552.5U Expired - Lifetime CN203811762U (en) | 2014-04-23 | 2014-04-23 | Gas insulated switchgear (GIS) partial discharge monitoring apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375064A (en) * | 2014-11-07 | 2015-02-25 | 深圳供电局有限公司 | Partial discharge on-line monitoring alarm confidence coefficient analysis method and device |
| CN104655996A (en) * | 2015-02-04 | 2015-05-27 | 国家电网公司 | Live detection device for partial discharge of GIS cable terminal, and use method of device |
| CN105021959A (en) * | 2015-07-06 | 2015-11-04 | 国家电网公司 | Novel partial discharge live-line detection system and method for main equipment of distribution network |
| CN105158651A (en) * | 2015-07-28 | 2015-12-16 | 国家电网公司 | Intelligent partial discharge online monitoring apparatus based on wearable equipment |
| CN106168646A (en) * | 2016-10-08 | 2016-11-30 | 浙江中新电力发展集团有限公司 | A kind of cable local discharge monitoring system |
| CN106569109A (en) * | 2016-10-26 | 2017-04-19 | 中国电力科学研究院 | Intelligent component tolerance nanosecond high-voltage pulse test loop and method |
| CN115453286A (en) * | 2022-09-01 | 2022-12-09 | 珠海市伊特高科技有限公司 | GIS partial discharge diagnosis method, model training method, device and system |
-
2014
- 2014-04-23 CN CN201420199552.5U patent/CN203811762U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375064A (en) * | 2014-11-07 | 2015-02-25 | 深圳供电局有限公司 | Partial discharge on-line monitoring alarm confidence coefficient analysis method and device |
| CN104655996A (en) * | 2015-02-04 | 2015-05-27 | 国家电网公司 | Live detection device for partial discharge of GIS cable terminal, and use method of device |
| CN105021959A (en) * | 2015-07-06 | 2015-11-04 | 国家电网公司 | Novel partial discharge live-line detection system and method for main equipment of distribution network |
| CN105158651A (en) * | 2015-07-28 | 2015-12-16 | 国家电网公司 | Intelligent partial discharge online monitoring apparatus based on wearable equipment |
| CN105158651B (en) * | 2015-07-28 | 2018-10-12 | 国家电网公司 | A kind of intelligent partial discharge on-Line Monitor Device based on Wearable |
| CN106168646A (en) * | 2016-10-08 | 2016-11-30 | 浙江中新电力发展集团有限公司 | A kind of cable local discharge monitoring system |
| CN106569109A (en) * | 2016-10-26 | 2017-04-19 | 中国电力科学研究院 | Intelligent component tolerance nanosecond high-voltage pulse test loop and method |
| CN115453286A (en) * | 2022-09-01 | 2022-12-09 | 珠海市伊特高科技有限公司 | GIS partial discharge diagnosis method, model training method, device and system |
| CN115453286B (en) * | 2022-09-01 | 2023-05-05 | 珠海市伊特高科技有限公司 | GIS partial discharge diagnosis method, model training method, device and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |