CN204228892U - A kind of device assessed X ray and GIS device insulating property are affected - Google Patents
A kind of device assessed X ray and GIS device insulating property are affected Download PDFInfo
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- CN204228892U CN204228892U CN201420611417.7U CN201420611417U CN204228892U CN 204228892 U CN204228892 U CN 204228892U CN 201420611417 U CN201420611417 U CN 201420611417U CN 204228892 U CN204228892 U CN 204228892U
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- 238000012360 testing method Methods 0.000 claims abstract description 44
- 230000007547 defect Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 239000012212 insulator Substances 0.000 claims abstract description 17
- 238000012795 verification Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000012491 analyte Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- -1 defect module Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
- Testing Relating To Insulation (AREA)
Abstract
Assess the device that X ray affects GIS device insulating property, detection system composition is put in this device GIS test section device, X ray high-frequency ray machine (9), oscillograph (11) and electric pulse office.GIS test section device comprises control pressure regulator (1), separation filter (2), transformer (3), coupling condenser (4), verification bar (8), built-in ultrahigh frequency partial discharge sensor (10), disc insulator (12), defect module (13), gas filling valve (14), rain glass (15), bus (16).Electric pulse office put detection system comprise electric pulse office put detection port and detect impedance (6).The utility model is applicable to the assessment of X ray on insulating medium insulating property impact in GIS device, to determine whether X ray can be used for the defects detection of GIS device, Timeliness coverage GIS inherent vice.
Description
Technical field
The utility model relates to a kind of device assessed X ray and affect GIS device insulating property, belongs to experimental technique recruitment evaluation field.
Background technology
For GIS device inherent vice, more detection method is adopted to comprise ultrasonic Detection Method, ultra-high-frequency detection method, SF6 gas analyte detection method at present.In recent years, someone proposes X ray digital imaging technology to apply to GIS device Inner Defect Testing.But, less for the correlative study of X ray to the impact evaluation of GIS device insulating property, and lack a kind of effective apparatus for evaluating.CN201110394116.4 and CN201110372491.9 describes a kind of device assessed X ray and affect GIS, and CN200510057032.6 describes a kind of local discharge of gas-insulator switchgear experimental simulation device.All there is following inconvenience in above device: (1) device is changed defect model at every turn and all needed venting and inflation, and operating process is complicated; (2) device transformer and high-voltage connection external, space undesired signal can by high-voltage connection produce test interference; (3) low pressure end that device experiment becomes does not access wave filter, the undesired signal meeting impact evaluation result in power supply; (4) device is irremovable.
Summary of the invention
The purpose of this utility model is, a kind of device assessed X ray and affect GIS device insulating property is provided, for assessment of GIS device when not charged, charged without inherent vice and charged have an inherent vice, X ray affects GIS device insulating property, to verify the security of X ray high-frequency ray machine technology in GIS device defects detection.
The technical solution of the utility model is, particularly, the utility model relates to a kind of device assessed X ray and affect GIS device insulating property, and described apparatus for evaluating is made up of four parts: detection system is put in GIS test section device, X ray high-frequency ray machine, oscillograph, electric pulse office.Described GIS test section device is put detection port by the electric pulse office on it and is connected by detecting impedance the shelf depreciation instrument that detection system is put in electric pulse office; GIS test section device connects oscillograph by built-in ultrahigh frequency partial discharge sensor; X ray high-frequency ray machine is arranged on by GIS test section device.
Described GIS test section device, for detecting SF6 measurement of moisture content of gas in device and SF6 analyte; GIS test section device contains built-in transformer, coupling condenser and the tie between transformer and bus; Also comprise control pressure regulator, detection port is put in separation filter, electric pulse office, verification bar, ultrahigh frequency partial discharge sensor, disc insulator, defect module, gas filling valve and rain glass.
Transformer, disc insulator and bus are built in cylindrical chamber, transformer is positioned at air chamber one end, the bus being provided with disc insulator is positioned at air chamber location mid-shaft, bus is connected with transformer high-voltage winding one end, the high pressure winding other end is by air chamber ground connection, and air chamber is divided into two air chambers by disc insulator; Control the low pressure winding of pressure regulator by separation filter connection transformer, another low pressure winding is used for monitoring voltage; Gas filling valve and rain glass are arranged on air chamber; Coupling condenser one end is connected with bus, and detection port is put in the electric pulse office that a termination is arranged on gas chamber outer wall; Air chamber is provided with verification bar and defect module; The built-in ultrahigh frequency partial discharge sensor of air chamber.
Described GIS test section device is divided into two air chambers, and be separated into independent air chamber by disc insulator between two air chambers, each air chamber fills SF6 gas, and each air chamber is arranged respectively in order to monitoring, the rain glass detecting SF6 gas and inflation/deflation use and gas filling valve.
Described electric pulse office put detection system comprise electric pulse office put detection port and detect impedance, the electric pulse office be arranged on GIS test section device air chamber put detection port by detect impedance earth; Detect impedance to be connected with shelf depreciation instrument simultaneously.Described oscillograph is connected with built-in ultrahigh frequency partial discharge sensor.
Described GIS test section device contains built-in transformer, coupling condenser and the tie between transformer and bus, when transformer, coupling condenser and the tie between transformer and bus can be avoided external, the undesired signal of external environment condition is on the impact of assessment result.
Described GIS test section device is at transformer and control to be provided with separation filter between pressure regulator, and the undesired signal in power supply signal can be avoided the impact of assessment result.
Described GIS test section device is provided with the verification bar adopting bolt to be screwed into design, and the square wave for device corrects.
Described GIS test section device is provided with the defect module adopting bolt to be screwed into design, defect can switch, when changing defect module without the need to opening test section inflation/deflation, described defect module can comprise most advanced and sophisticated defect module, floating potential defect module, grain defect module.
Described GIS test section device is provided with built-in ultrahigh frequency partial discharge sensor, can improve sensitivity during ultra-high-frequency detection.
The beneficial effects of the utility model are: be provided with multiple typical defect in (1) apparatus for evaluating, defect can switch, and defect switches without the need to being opened by device, without the need to re-starting inflation/deflation; (2) step-up transformer and coupling condenser and between the equal built-in of high pressure line in, when device does not drop in defect, partial discharge quantity is not more than 3pC, and external interference signal all shields; (3) apparatus for evaluating power input arranges wave filter, can greatly reduce the interference of power supply; (4) device is removable, is applicable to different test occasions.
The utility model is applicable to the assessment of X ray on insulating medium insulating property impact in GIS device, to determine whether X ray can be used for the defects detection of GIS device, Timeliness coverage GIS inherent vice.
Accompanying drawing explanation
Fig. 1 is the device that assessment X ray affects GIS device insulating property.
Picture in picture number: 1 is control pressure regulator; 2 is separation filters; 3 is transformers; 4 is coupling condensers; 5 is that detection port is put in electric pulse office; 6 is detect impedance; 7 is shelf depreciation instrument; 8 is verification bars; 9 is X ray high-frequency ray machines; 10 is built-in ultrahigh frequency partial discharge sensors; 11 is oscillographs; 12 is disc insulators; 13 is defect modules; 14 is gas filling valves; 15 is rain glasss; 16 is buses.
Embodiment
Fig. 1 shows the specific embodiment of this apparatus for evaluating.
The present embodiment apparatus for evaluating is made up of four parts: detection system is put in GIS test section device, X ray high-frequency ray machine, oscillograph, electric pulse office.
GIS test section device comprise control pressure regulator 1, separation filter 2, transformer 3, coupling condenser 4, electric pulse office put detection port 5, verification bar 8, built-in ultrahigh frequency partial discharge sensor 10, disc insulator 12, defect module 13, gas filling valve 14, rain glass 15, bus 16.GIS test section device is divided into two air chambers, and be separated into independent air chamber by disc insulator 12 between two air chambers, each air chamber fills SF6 gas, and each air chamber arranges rain glass 15 and gas filling valve 14 respectively, to monitor, to detect SF6 gas and inflation/deflation use.The axis of device is arranged bus 16, the bus of two air chambers is by the inserts conducting on disc insulator 12.Be provided with transformer 3 in one of them air chamber, detection port 5 put in coupling condenser 4, electric pulse office, verification bar 8.Transformer 3 has three windings, comprises a high pressure winding and two low pressure windings.One of them low pressure winding two ends is connected with the output terminal of separation filter 2, and another low pressure winding is used for monitoring voltage, and one end, high-pressure side is connected with bus 16, and one end is connected with the ground terminal of device by sleeve pipe.The high-pressure side of coupling condenser 4 is connected with bus 16, and low-pressure side and electric pulse office put detection port 5 and be connected.Verification bar 8 is a Metallic rod, adopts and rotates screw-in structure, correct for square wave.When needs corrective loop, Metallic rod is screwed into until be connected with bus, back-outs until exit completely after calibration.Another air chamber is provided with defect module.Defect module adopts equally and rotates screw-in structure, can drop into as required and exit.Defect module comprises most advanced and sophisticated defect, floating potential defect etc.Control the output terminal of pressure regulator 1 to be connected with the input end 2 of separation filter.
X ray high-frequency ray machine 9 is as x-ray source, and X ray high-frequency ray machine is arranged on by test section device, for carrying out x-ray bombardment to GIS test section.
Oscillograph 11 is connected with built-in ultrahigh frequency partial discharge sensor 10, for detecting the high-frequency local discharging signal of GIS test section device.
Detection port 5 is put by detecting impedance 6 ground connection in electric pulse office.Detect impedance 6 to be connected with shelf depreciation instrument 7, for detecting GIS test section device electric pulse shelf depreciation situation simultaneously.
The course of work of this apparatus for evaluating is:
1., by the gas filling valve 14 of GIS test section device, SF6 measurement of moisture content of gas in device and SF6 analyte are detected;
2. functional check bar 8, makes verification bar 8 be connected with bus 16, calibration measurement loop; Verification bar is exited;
3. by controlling pressure regulator 1, to the pressurization in GIS test section device;
4. utilize X ray high-frequency ray machine 9 pairs of GIS test section devices to carry out Continuous irradiation, the applied voltage of adjustment x-ray bombardment intensity, irradiation duration and device, the detection waveform of recording oscillometer 11 and shelf depreciation instrument 7 record at set intervals, the size assessing x-ray bombardment duration, intensity and applied voltage with this is on disc insulator insulating property impact in GIS test section device;
5. close X ray high-frequency ray machine 9, detect GIS test section device SF6 gas analyte, assessment X ray is on the impact of SF6 gas-insulated performance.
6. feeding device defect module 13, GIS test section device boosts to partial discharge inception voltage, X ray high-frequency ray machine is utilized to carry out Continuous irradiation to GIS test section device, adjustment x-ray bombardment intensity, irradiation duration, the detection waveform of recording oscillometer 11 and shelf depreciation instrument record at set intervals, assess in the inner defective situation of device with this, x-ray bombardment duration and intensity are on the impact of insulating medium insulating property.
Claims (9)
1. assess the device that X ray affects GIS device insulating property, it is characterized in that, described device comprises,
To the GIS test section device that SF6 measurement of moisture content of gas in device and SF6 analyte detect;
GIS test section is carried out to the X ray high-frequency ray machine of x-ray bombardment;
For recording the oscillograph of detection waveform;
Detection system is put in electric pulse office for detecting GIS test section device electric pulse shelf depreciation situation;
GIS test section device is put detection port by the electric pulse office on it and is connected by detecting impedance the shelf depreciation instrument that detection system is put in electric pulse office; GIS test section device connects oscillograph by built-in ultrahigh frequency partial discharge sensor; X ray high-frequency ray machine is arranged on by GIS test section device.
2. a kind of device assessed X ray and GIS device insulating property are affected according to claim 1, it is characterized in that, described GIS test section device contains built-in transformer, coupling condenser and the tie between transformer and bus; Also comprise and control pressure regulator, separation filter, verification bar, ultrahigh frequency partial discharge sensor, disc insulator, defect module, gas filling valve and rain glass;
Transformer, disc insulator and bus are built in cylindrical chamber, transformer is positioned at air chamber one end, the bus being provided with disc insulator is positioned at air chamber location mid-shaft, bus is connected with transformer high-voltage winding one end, the high pressure winding other end is by air chamber ground connection, and air chamber is divided into two air chambers by disc insulator; Control the low pressure winding of pressure regulator by separation filter connection transformer, another low pressure winding is used for monitoring voltage; Gas filling valve and rain glass are arranged on air chamber; Coupling condenser one end is connected with bus, and detection port is put in the electric pulse office that a termination is arranged on gas chamber outer wall; Air chamber is provided with verification bar and defect module; The built-in ultrahigh frequency partial discharge sensor of air chamber.
3. a kind of device assessed X ray and GIS device insulating property are affected according to claim 1, it is characterized in that, described electric pulse office put detection system comprise electric pulse office put detection port and detect impedance, the electric pulse office be arranged on GIS test section device air chamber put detection port by detect impedance earth; Detect impedance to be connected with shelf depreciation instrument simultaneously.
4. a kind of device assessed X ray and affect GIS device insulating property according to claim 1, it is characterized in that, described oscillograph is connected with built-in ultrahigh frequency partial discharge sensor.
5. a kind of device assessed X ray and GIS device insulating property are affected according to claim 1, it is characterized in that, described test section device is divided into two air chambers, independent air chamber is separated into by disc insulator between two air chambers, each air chamber fills SF6 gas, and each air chamber is arranged respectively in order to monitoring, the rain glass detecting SF6 gas and inflation/deflation use and gas filling valve.
6. a kind of device assessed X ray and affect GIS device insulating property according to claim 1, it is characterized in that, described X ray high-frequency ray machine is arranged on by test section device.
7. a kind of device assessed X ray and GIS device insulating property are affected according to claim 2, it is characterized in that, described transformer has three windings, comprises a high pressure winding and two low pressure windings; One of them low pressure winding two ends is connected with the output terminal of separation filter, and another low pressure winding is used for monitoring voltage, and one end, high-pressure side is connected with bus, and one end is connected with the ground terminal of device by sleeve pipe.
8. a kind of device assessed X ray and affect GIS device insulating property according to claim 2, it is characterized in that, described verification bar is screw-in structure, is screwed in air chamber and corrects for the square wave of device.
9. a kind of device assessed X ray and GIS device insulating property are affected according to claim 2, it is characterized in that, described defect module, for being screwed into structure, is screwed in air chamber; Defect can switch, and when changing defect module without the need to opening test section inflation/deflation, described defect module comprises most advanced and sophisticated defect module, floating potential defect module, grain defect module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611417.7U CN204228892U (en) | 2014-10-22 | 2014-10-22 | A kind of device assessed X ray and GIS device insulating property are affected |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611417.7U CN204228892U (en) | 2014-10-22 | 2014-10-22 | A kind of device assessed X ray and GIS device insulating property are affected |
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| Publication Number | Publication Date |
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| CN204228892U true CN204228892U (en) | 2015-03-25 |
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| CN201420611417.7U Expired - Fee Related CN204228892U (en) | 2014-10-22 | 2014-10-22 | A kind of device assessed X ray and GIS device insulating property are affected |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152694A (en) * | 2018-02-01 | 2018-06-12 | 清华大学 | A kind of GIS disc insulators detection method for local discharge |
| CN108318788A (en) * | 2018-02-01 | 2018-07-24 | 清华大学 | A kind of GIS disc insulators local discharge detection device |
-
2014
- 2014-10-22 CN CN201420611417.7U patent/CN204228892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152694A (en) * | 2018-02-01 | 2018-06-12 | 清华大学 | A kind of GIS disc insulators detection method for local discharge |
| CN108318788A (en) * | 2018-02-01 | 2018-07-24 | 清华大学 | A kind of GIS disc insulators local discharge detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |