CN202886560U - Field detecting system for gas insulated switch mechanical faults - Google Patents
Field detecting system for gas insulated switch mechanical faults Download PDFInfo
- Publication number
- CN202886560U CN202886560U CN 201220540686 CN201220540686U CN202886560U CN 202886560 U CN202886560 U CN 202886560U CN 201220540686 CN201220540686 CN 201220540686 CN 201220540686 U CN201220540686 U CN 201220540686U CN 202886560 U CN202886560 U CN 202886560U
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- CN
- China
- Prior art keywords
- gis
- insulated switch
- switch mechanical
- gas insulated
- detecting system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001133 acceleration Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to the field of electric equipment fault diagnosis, and in particular relates to a field detecting system for gas insulated switch mechanical faults; the field detecting system for the gas insulated switch mechanical faults is characterized by comprising a drainage lead (2), wherein two ends of the drainage lead (2) are respectively connected with a geographic information system (GIS) guide rod (4) through two GIS sleeves (1), so as to form a current loop; a vibration accelerator sensor (6) is arranged on a GIS shell (3); and the vibration accelerator sensor (6) is electrically connected with an oscilloscope (9) through an amplifier (8), so as to analyze the collected signals. The field detecting system for the gas insulated switch mechanical faults can judge some GIS faults failed in discharge, and can flexibly regulate various parameters; and different positions of the vibration accelerator sensor on the GIS shell can be flexibly selected.
Description
Technical field
The utility model relates to the fault diagnosis field, especially a kind of filed detection system of gas-insulated switch mechanical fault.
Background technology
Gas-insulated switch (GIS) is used more and more widely owing to having high operational reliability.Along with the electric pressure of electrical network improves constantly, require the electrical equipment volume little, reliable, be convenient to safeguard.Gas insulated combined electrical equipment is popular with the masses of users because having these advantages, in order to guarantee the gas insulated combined electrical equipment safe operation, prolongs the time between overhauls(TBO) as far as possible, and the method for the inner latency fault of research prediction is necessary.
In the actual motion of GIS, except discharging fault, the mechanicalness fault also is a large main cause that causes accident to occur.So-called mechanical fault refers to when having some defective in the GIS, when, housing docking imbalance unusual such as switch contact contact, guide rod slight bending etc., discharging fault can not occur in this moment, but because the GIS that the alternation electric power that alternating current produces in the mechanical force of switching manipulation, conductor, the electromagnetic force that transformer iron core produces etc. can cause produces the mechanicalness motion, because the existence of mechanical defect, it can produce abnormal transient vibration signal outside normal vibration.The abnormal vibrations of GIS has very large harm to the GIS body, and Long-term Vibration may make bolt looseness, causes gas leakage, and pressure decreased causes insulation fault; Can cause damage to insulator and insulated column; Can affect the firm of earthing of casing point.Therefore, strengthening the detection to GIS mechanicalness fault, is the important means that guarantees the GIS safe operation.Particularly for the GIS transformer station that is about to put into operation, because GIS makes up installation at the scene, therefore for newly-built GIS transformer station, before putting into operation, the scene carries out the detection of its mechanical fault, significant for the safe operation of the equipment of assurance.
The utility model content
The purpose of this utility model provides a kind of filed detection system of gas-insulated switch mechanical fault, can carry out to GIS the measurement of on-the-spot mechanical fault.
A kind of filed detection system of gas-insulated switch mechanical fault, its special feature is: comprising the drainage wire, connects with the GIS guide rod by two GIS sleeve pipes respectively in the two ends of this drainage wire, thereby consists of current return; And at the GIS shell vibration acceleration sensor being installed, this vibration acceleration sensor is electrically connected with oscillograph by amplifier, thereby the signal that collects is analyzed.
Wherein the test section of vibration acceleration sensor directly contacts with the GIS shell.
Wherein be set with current lifting device at the drainage wire, thereby control the voltage magnitude of described current return.
Wherein vibration acceleration sensor is electrically connected with amplifier and oscillograph successively by signal cable.
Adopt the utility model to judge some GIS fault that discharge does not occur, system can adjust each parameter flexibly, and the position of vibration acceleration sensor also can be at GIS shell diverse location flexible choice.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model is a kind of filed detection system of gas-insulated switch mechanical fault, comprises drainage wire 2, connects with GIS guide rod 4 by two GIS sleeve pipes 1 respectively in the two ends of this drainage wire 2, thereby consists of current return; And at GIS shell 3 vibration acceleration sensor 6 being installed, this vibration acceleration sensor 6 is electrically connected with oscillograph 9 by amplifier 8, thereby the signal that collects is analyzed.Wherein the test section of vibration acceleration sensor 6 directly contacts with GIS shell 3, be set with current lifting device 5 at drainage wire 2, thereby control the voltage magnitude of described current return, and vibration acceleration sensor 6 is electrically connected with amplifier 8 and oscillograph 9 successively by signal cable 7.
The utility model adopts drainage wire 2 to connect with GIS guide rod 4 by GIS sleeve pipe 1, consists of current return.Adopt current lifting device 5 to be socketed on the drainage wire 2, for current return provides large electric current, current lifting device 5 producible current amplitude scopes are 0-6kA.When there is mechanical fault in GIS, can under the excitation of electric current, produce unusual vibration signal at GIS shell 3, the utility model adopts the vibration acceleration sensor 6 that is close on the GIS shell 3 to carry out the measurement of vibration signal, vibration acceleration sensor 6 frequency ranges are 0-4kHz, and sensitivity is 300mV/ms
-2Vibration signal enters amplifier 8 by signal cable 7, and 8 enlargement factor 0-160 are doubly adjustable for amplifier, and bandwidth is 3MHz.Vibration signal gathers and analyzes through amplifier 8 access oscillographs 9, and oscillograph 9 adopts Tyke 4104, has four-way, 1G bandwidth, the 5GHz sampling rate.
In the actual tests, according to the needs of test, can adjust flexibly each parameter, for example: current lifting device 5 output amplitudes can be selected according to circulating current situation in the GIS actual motion, and the position of vibration acceleration sensor 6 can be at GIS shell 3 diverse location flexible choices.
Claims (4)
1. the filed detection system of a gas-insulated switch mechanical fault, it is characterized in that: comprise drainage wire (2), connecting with GIS guide rod (4) by two GIS sleeve pipes (1) respectively in the two ends of this drainage wire (2), thereby consists of current return; And at GIS shell (3) vibration acceleration sensor (6) being installed, this vibration acceleration sensor (6) is electrically connected with oscillograph (9) by amplifier (8), thereby the signal that collects is analyzed.
2. the filed detection system of a kind of gas-insulated switch mechanical fault as claimed in claim 1, it is characterized in that: wherein the test section of vibration acceleration sensor (6) directly contacts with GIS shell (3).
3. the filed detection system of a kind of gas-insulated switch mechanical fault as claimed in claim 1 or 2 is characterized in that: wherein be set with current lifting device (5) at drainage wire (2), thereby control the voltage magnitude of described current return.
4. the filed detection system of a kind of gas-insulated switch mechanical fault as claimed in claim 1 or 2 is characterized in that: wherein vibration acceleration sensor (6) is electrically connected with amplifier (8) and oscillograph (9) successively by signal cable (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540686 CN202886560U (en) | 2012-10-22 | 2012-10-22 | Field detecting system for gas insulated switch mechanical faults |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540686 CN202886560U (en) | 2012-10-22 | 2012-10-22 | Field detecting system for gas insulated switch mechanical faults |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886560U true CN202886560U (en) | 2013-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540686 Expired - Fee Related CN202886560U (en) | 2012-10-22 | 2012-10-22 | Field detecting system for gas insulated switch mechanical faults |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115684A (en) * | 2015-08-24 | 2015-12-02 | 国家电网公司 | Gas insulated switchgear vibration signal propagation property test apparatus and method |
| CN105116320A (en) * | 2015-08-24 | 2015-12-02 | 国家电网公司 | Gas insulated switchgear isolation switch contact state test and measurement system |
| CN105910695A (en) * | 2016-04-14 | 2016-08-31 | 沈阳嘉越电力科技有限公司 | Detection system and method for GIS mechanical fault vibration |
-
2012
- 2012-10-22 CN CN 201220540686 patent/CN202886560U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115684A (en) * | 2015-08-24 | 2015-12-02 | 国家电网公司 | Gas insulated switchgear vibration signal propagation property test apparatus and method |
| CN105116320A (en) * | 2015-08-24 | 2015-12-02 | 国家电网公司 | Gas insulated switchgear isolation switch contact state test and measurement system |
| CN105115684B (en) * | 2015-08-24 | 2017-09-15 | 国家电网公司 | Vibration signal propagation characteristic experimental rig and method in gas insulated combined electrical equipment |
| CN105116320B (en) * | 2015-08-24 | 2018-08-03 | 国家电网公司 | A kind of gas insulated combined electrical equipment disconnecting switch contact condition experiment ＆ measurement system |
| CN105910695A (en) * | 2016-04-14 | 2016-08-31 | 沈阳嘉越电力科技有限公司 | Detection system and method for GIS mechanical fault vibration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20181022 |