CN109633430B - Abnormal temperature rise fault monitoring experimental device for real GIS equipment - Google Patents
Abnormal temperature rise fault monitoring experimental device for real GIS equipment Download PDFInfo
- Publication number
- CN109633430B CN109633430B CN201910000498.4A CN201910000498A CN109633430B CN 109633430 B CN109633430 B CN 109633430B CN 201910000498 A CN201910000498 A CN 201910000498A CN 109633430 B CN109633430 B CN 109633430B
- Authority
- CN
- China
- Prior art keywords
- gis
- shell
- isolating switch
- real
- contact
- Prior art date
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 9
- RHKSESDHCKYTHI-UHFFFAOYSA-N 12006-40-5 Chemical compound [Zn].[As]=[Zn].[As]=[Zn] RHKSESDHCKYTHI-UHFFFAOYSA-N 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 8
- 229920006362 Teflon® Polymers 0.000 claims description 8
- 239000011889 copper foil Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 229910018503 SF6 Inorganic materials 0.000 claims 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims 1
- 229960000909 sulfur hexafluoride Drugs 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000012937 correction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007747 plating Methods 0.000 description 13
- 229910000838 Al alloy Inorganic materials 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Radiation Pyrometers (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model provides a real GIS equipment abnormal temperature rise fault monitoring experimental apparatus, belongs to GIS overheat fault monitoring experimental apparatus technical field, including GIS breather valve, GIS shell, GIS isolator moving contact, moving contact shield cover, infrared thermometer, GIS isolator static contact, static contact shield cover, K type thermocouple, copper strips, heavy current generator and SF 6 And (3) a gas cylinder. The invention can simulate abnormal heating faults of a real GIS in a laboratory, further explore the corresponding relation between the temperatures of different GIS hot spots and the temperature of equipment shells, and can be applied to study the distribution condition of the temperature field in GIS equipment under the condition of overheat faults, and can also study SF through experiments 6 The infrared absorption condition of the gas is further obtained, and then the correction method of infrared internal temperature measurement is obtained.
Description
Technical Field
The invention belongs to the technical field of GIS gas insulated metal-enclosed switchgear overheat fault monitoring experiment devices, and particularly relates to a real GIS device abnormal temperature rise fault monitoring experiment device.
Background
GIS equipment in an electric power system can have defects of poor contact and the like in the equipment due to the problems of a processing technology and the like, and abnormal temperature rise faults occur under the condition of high-current operation. Such faults are often found at the disconnector locations of the GIS devices. The existing fault detection means is to detect the shell temperature of equipment by using a thermal infrared imager, but the shell temperature cannot directly quantitatively reflect the temperature of an internal hot spot.
The prior invention patent CN 201310241408-a GIS equipment contact temperature monitoring test device can simulate and monitor the internal fault temperature of GIS equipment, but the structure of the device is quite different from that of a real GIS, the isolating switch of the real GIS equipment is horizontally arranged, and a shielding cover is arranged in the device. The test device in the prior invention patent CN201310241408 is vertically arranged, and the internal structure lacks a shielding cover and other parts. According to theory of heat transfer, natural heat convection of gas has great influence on the temperature inside the air chamber and the hot spot, and the structural design of the prior patent can seriously influence the natural heat convection condition of gas, thereby influencing the temperature value inside the hot spot and the air chamber and generating great deviation with the real condition.
There is a need in the art for a new solution to this problem.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: provides an experimental device for monitoring abnormal temperature rise and fault of real GIS equipment, which is used for solving the problem that SF cannot be effectively researched in the prior art 6 The technical problems of gas pair infrared absorption condition and GIS equipment temperature field distribution.
An experimental device for monitoring abnormal temperature rise and fault of real GIS equipment comprises a GIS ventilation valve, a GIS shell, a GIS isolating switch moving contact, a moving contact shielding cover, an infrared thermometer, a GIS isolating switch fixed contact, a fixed contact shielding cover, a K-type thermocouple, a copper strip, a heavy current generator and SF 6 The gas cylinder is characterized in that the GIS shell is of a cylindrical structure with sealed two ends, the GIS shell is placed on the plastic ground, the central axis of the GIS shell is parallel to the plastic ground, GIS gas-insulated metal-enclosed switchgear is fixedly installed in the GIS shell along the central axis direction, one end of the GIS shell is grounded through a copper belt, and a GIS ventilation valve is arranged on the upper portion of the GIS shell; the GIS ventilation valve is connected with SF through an air duct 6 The gas cylinders are connected; one end of the GIS equipment is fixedly connected with the moving contact of the GIS isolating switch, and the other end of the GIS equipment is fixedly connected with the fixed contact of the GIS isolating switch; the movable contact shielding cover is sleeved outside the GIS isolating switch movable contact, a gap is reserved between the movable contact shielding cover and the GIS isolating switch movable contact, and the movable contact shielding cover is fixedly connected with one end round surface of the GIS shell through a bolt; the fixed contact shielding cover is sleeved outside the GIS isolating switch fixed contact, a gap is reserved between the fixed contact shielding cover and the GIS isolating switch fixed contact, and the fixed contact shielding cover is fixedly connected with the round surface of the other end of the GIS shell through a bolt; the infrared thermometer is fixedly arranged on the inner side wall of the GIS shell through a bracket; the K-type thermocouple is respectively stuck to the GIS isolating switch moving contact, the GIS isolating switch fixed contact and the GIS shell through copper foil paper and is connected with the digital display instrument; the large electricityThe current generator is respectively connected with the GIS isolating switch moving contact and the GIS isolating switch static contact through copper strips to form a current loop.
And an observation window is arranged on the GIS shell, and the GIS shell is connected with the observation window in a sealing way through epoxy resin glue.
The observation window is a zinc arsenide glass observation window.
The GIS shell is provided with a detection internal SF 6 Barometer of gas pressure.
The support is an adjustable support.
The air duct is a Teflon air duct.
The output current of the heavy current generator ranges from 0A to 5000A.
Through the design scheme, the invention has the following beneficial effects:
1. the invention can monitor the temperature value of the hot spot and the temperature value of the GIS equipment shell when local overheat occurs in the GIS equipment.
2. The invention can simulate the temperature rise conditions of GIS equipment under different contact states and different loop currents.
3. The device provided by the invention replaces the organic glass observation window in the traditional GIS equipment with the zinc arsenide glass window, so that the internal structure can be observed through the observation window, and the internal temperature can be measured through infrared light, thereby achieving two purposes.
4. Due to SF in GIS equipment 6 The gas has the absorption effect on infrared rays and can influence the measurement accuracy, and the device can adjust SF inside a GIS air chamber 6 The pressure of the gas was investigated for SF at different pressures 6 The absorption of infrared rays by the gas.
5. In the device, the temperature values of the interior and the shell of the GIS equipment can be obtained through the measurement of the k-type thermocouple, so that the temperature field distribution condition of the GIS when the GIS has local overheat faults is obtained.
6. The device has simple structure and low cost.
7. The invention builds the real GIS overheat fault monitoring experimental device by using the infrared temperature measurement technology and the thermocouple temperature measurement technology, and can simulate the real condition in a laboratoryAbnormal exothermic faults of GIS, and further explore the corresponding relation between different GIS hot spot temperatures and the temperature of the equipment shell, meanwhile, the device can be applied to study the distribution condition of the temperature field inside GIS equipment under the condition of overheat faults, and SF can be studied through experiments 6 The infrared absorption condition of the gas is further obtained, and then the correction method of infrared internal temperature measurement is obtained.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
fig. 1 is a schematic block diagram of an experimental device for monitoring abnormal temperature rise and fault of a real GIS device.
Fig. 2 is a schematic structural diagram of an experimental device for monitoring abnormal temperature rise and failure of a real GIS device.
Fig. 3 is a schematic side view structure diagram of an experimental device for monitoring abnormal temperature rise and faults of a real GIS device.
FIG. 4 shows SF in an experimental device for monitoring abnormal temperature rise and fault of a real GIS device according to the present invention 6 And comparing the actual temperature of the hot spot with the infrared monitoring temperature when the air pressure is 0.2 MPa.
In the figure, a 1-GIS air exchange valve, a 2-GIS shell, a 3-GIS isolating switch moving contact, a 4-moving contact shielding cover, a 5-infrared thermometer, a 6-GIS isolating switch fixed contact, a 7-fixed contact shielding cover, an 8-K thermocouple, a 9-copper belt, a 10-heavy current generator and an 11-SF 6 Gas cylinder, 12-observation window, 13-barometer.
Detailed Description
As shown in the figure, an experimental device for monitoring abnormal temperature rise and fault of real GIS equipment comprises a GIS ventilation valve 1, a GIS shell 2, a GIS isolating switch moving contact 3, a moving contact shielding cover 4, an infrared thermometer 5, a GIS isolating switch fixed contact 6, a fixed contact shielding cover 7, a K-type thermocouple 8, a copper strip 9, a high-current generator 10 and SF 6 A gas cylinder 11.
The GIS shell 2 is of a cylindrical structure, the cylindrical surface is placed in contact with a flat plastic ground, and the left side of the GIS shell 2 is grounded through a copper strip 9;
the GIS air exchange valve 1 is fixed right above the GIS shell 2Door 1 is connected with SF through Teflon air duct 6 A gas cylinder 11;
the barometer 13 is used for displaying SF inside the GIS shell 2 6 Gas pressure.
The GIS isolating switch moving contact 3 is arranged at the right side near the middle of GIS equipment, is fixed on the GIS equipment shell through the epoxy resin glue, and the left end is connected to the heavy current generator 10 through a copper strip 9;
the GIS isolating switch static contact 6 is arranged at the right side near the middle of GIS equipment, is fixed on the GIS equipment shell through the epoxy resin glue, and the right end is connected to the heavy current generator 10 through a copper strip 9;
the moving contact shielding cover 4 is fixed on the left circular surface inner wall of the GIS shell 2 through bolts, and the moving contact 3 of the GIS isolating switch is wrapped in a non-contact manner;
the fixed contact shielding cover 7 is fixed on the right circular inner wall of the GIS shell 2 through bolts, and the fixed contact 6 of the GIS isolating switch is wrapped in a non-contact manner;
the observation window 12 is made of zinc arsenide glass, and the observation window 12 is fixed above the GIS shell 2 through epoxy resin glue;
the infrared thermometer 5 is fixed on the GIS shell 2 through bolts, and the position of the infrared thermometer 5 is adjusted through an adjustable bracket;
the K-type thermocouple 8 is adhered to the GIS isolating switch moving contact 3, the GIS isolating switch static contact 6 and the GIS shell 2 through copper foil paper.
The heavy current generator 10 is respectively connected with the GIS isolating switch moving contact 3 and the GIS isolating switch static contact 6 through copper strips 9 to form a through current loop.
The SF 6 The gas cylinder 11 is connected with the GIS ventilation valve 1 through a Teflon gas guide pipe.
The GIS shell 2 is made of aluminum alloy and consists of a middle cylinder part and sealing cover plates at two sides. The middle cylinder area is formed by co-casting a hollow cylinder with an inner diameter of 560mm, an outer diameter of 580mm and a length of 2.5m and a hollow cylinder with an inner diameter of 560mm, an outer diameter of 600mm and a thickness of 20mm on the left and right sides. The sealing cover plates at two sides are cylinders with the shape of 680mm diameter and 20mm thickness. The middle cylinder part and the two side sealing cover plates are connected by 12 bolts. A GIS ventilation valve 1 is arranged right above the GIS shell 2 at a position 120mm away from the left sealing cover plate and is used for injecting SF into the GIS shell 2 6 And (3) gas. Directly above the middle of the GIS enclosure 2, a barometer 13 is provided for displaying the internal barometric pressure value. And the zinc arsenide glass observation window 12 is arranged right above the GIS shell 2 at the position 240mm away from the right sealing cover plate, and is sealed through epoxy resin glue. The infrared thermometer 5 is fixed above the GIS shell 2 by bolts on the right side of the GIS shell 2, and the internal temperature field is measured by the observation window 12.
The GIS isolating switch static contact 6 is made of copper silver plating, the thickness of the silver plating layer is 0.5mm, the GIS isolating switch static contact is placed on the right side near the middle of GIS equipment, the depth of a groove is 120mm, the inner diameter is 110mm, and the outer diameter is 140mm. The high-voltage power supply is fixed on a GIS equipment shell through the epoxy resin glue, and the right end of the high-voltage power supply is connected to a high-current generator 10 through a copper strip 9.
The GIS isolating switch moving contact 3 is of a hollow cylinder structure and is placed in the middle of GIS equipment and near the left side. The material is copper silver plating, the thickness of the silver plating layer is 0 mm-0.5 mm, the whole length is 2m, and the radius is 110mm. The length of the middle hollow area is 1.8m, the inner diameter is 35mm, the middle hollow area is fixed on the GIS equipment shell through the epoxy resin glue, and the middle right end is connected to the heavy current generator 10 through the copper strip 9;
the moving contact shielding cover 4 is made of aluminum alloy, and has a thickness of 3mm and a length of 1.2m. The GIS isolating switch moving contact 3 is fixed on the left side of the GIS shell 2 through two bolts and is wrapped in a non-contact manner;
the fixed contact shielding cover 7 is made of aluminum alloy, and has a thickness of 3mm and a length of 0.35m. The GIS isolating switch moving contact 3 is fixed on the right side of the GIS shell 2 through two bolts and is wrapped in a non-contact manner;
the K-type thermocouple 8 is adhered to the vicinity of the connection position of the GIS isolating switch moving contact 3 and the GIS isolating switch fixed contact 6 through copper foil paper, and is used for monitoring the temperature of the connection position on each of the GIS isolating switch moving contact 3 and the GIS isolating switch fixed contact 6. The K-type thermocouple 8 is respectively stuck on the right upper part and the right lower part of the GIS shell 2 corresponding to the cross section of the connecting part of the GIS isolating switch moving contact 3 and the GIS isolating switch fixed contact 6 through copper foil paper and is used for monitoring the temperature of the GIS shell 2;
the GIS ventilation valve 1 is fixed right above the GIS shell 2 and is connected with SF through a Teflon air duct 6 A gas cylinder 11 for filling SF into the GIS housing 2 6 Gas is flushed into SF 6 The pressure of the gas is between 0.1MPa and 0.6MPa, and is shown by the barometer 13.
The heavy current generator 10 is respectively connected with the GIS isolating switch moving contact 3 and the GIS isolating switch static contact 6 through copper strips 9 to form a through-flow loop, and the grounding end is grounded through copper wires. The large current generator 10 is provided with a display screen, and the output current ranges from 0A to 5000A.
The invention will be further described with reference to the following specific embodiments.
Example 1:
the input end of the heavy current generator 10 is connected with 220V/50Hz commercial power through a wire, the output current is 3000A, the positive electrode of the output end of the heavy current generator 10 is connected with the GIS isolating switch moving contact 3 through a copper strip 9, the negative electrode of the output end of the heavy current generator 10 is connected with the GIS isolating switch fixed contact 6 through the copper strip 9, and heavy current is provided for the contact position of the GIS isolating switch moving contact 3 and the GIS isolating switch fixed contact 6, so that local overheat faults are simulated.
The GIS isolating switch moving contact 3 is made of copper silver plating, is fixed on the GIS shell 2 through epoxy resin glue, and the thickness of the silver plating layer is set to be 0.5mm.
The GIS isolating switch static contact 6 is made of copper silver plating, the thickness of the silver plating layer is 0.5mm, and the silver plating layer is fixed on the GIS shell 2 through epoxy resin glue.
The moving contact shielding cover 4 and the fixed contact shielding cover 7 are made of aluminum alloy and are fixed on the GIS shell 2 through bolts respectively.
The GIS shell 2 is made of aluminum alloy, and is grounded through the copper strip 9, and is spaced fromJust above the GIS shell 2 at 120mm away from the left sealing cover plate, a GIS ventilation valve 1 is arranged, and the GIS ventilation valve 1 is connected with the SF through a Teflon air duct 6 The gas cylinder 11 is filled with SF of 0.5MPa into the GIS housing 2 6 And (3) gas. The barometer 13 is disposed right above the middle of the GIS housing 2 and is used for displaying the internal air pressure value. And the zinc arsenide glass observation window 12 is arranged right above the GIS shell 2 at the position 240mm away from the right sealing cover plate, and is sealed through epoxy resin glue. The infrared thermometer 5 is fixed above the observation window 12 by bolts on the right side of the GIS shell 2, and the internal temperature field is measured.
The K-type thermocouple 8 is adhered to the vicinity of the connection position of the GIS isolating switch moving contact 3 and the GIS isolating switch fixed contact 6 through copper foil paper, and is used for monitoring the temperature of the connection position on each of the GIS isolating switch moving contact 3 and the GIS isolating switch fixed contact 6. And a K-type thermocouple 8,K type thermocouple 8 is respectively stuck on the right upper part and the right lower part of the GIS shell 2 corresponding to the cross section of the connecting part of the GIS isolation switch moving contact 3 and the GIS isolation switch fixed contact 6 through copper foil paper and is connected with a digital display instrument for monitoring the temperature of the GIS shell 2.
Example 2:
the input end of the heavy current generator 10 is connected with 220V/50Hz commercial power through a wire, the output current is 3500A, the positive electrode of the output end of the heavy current generator 10 is connected with the GIS isolating switch moving contact 3 through a copper strip 9, and the negative electrode of the output end of the heavy current generator 10 is connected with the GIS isolating switch fixed contact 6 through the copper strip 9.
The GIS isolating switch moving contact 3 is made of copper silver plating, is fixed on the GIS shell 2 through epoxy resin glue, and the thickness of the silver plating layer is set to be 0.3mm.
The GIS shell 2 is made of aluminum alloy, is grounded through the copper strip 9, is arranged right above the GIS shell 2 at a position 120mm away from the left sealing cover plate, and is provided with the GIS ventilation valve 1, and the GIS ventilation valve 1 is connected with the SF through a Teflon air duct 6 The gas cylinder 11 is filled with SF of 0.35MPa into the GIS shell 2 6 And (3) gas. Directly above the middle of the GIS shell 2The barometer 13 is provided for displaying the internal air pressure value. And the zinc arsenide glass observation window 12 is arranged right above the GIS shell 2 at the position 240mm away from the right sealing cover plate, and is sealed through epoxy resin glue. The infrared thermometer 5 is fixed above the observation window 12 by bolts on the right side of the GIS shell 2, and the internal temperature field is measured.
Example 3: the input end of the heavy current generator 10 is connected with 220V/50Hz commercial power through a lead, the output current is 1500A, the positive electrode of the output end of the heavy current generator 10 is connected with the GIS isolating switch moving contact 3 through a copper strip 9, and the negative electrode of the output end of the heavy current generator 10 is connected with the GIS isolating switch fixed contact 6 through the copper strip 9.
The GIS isolating switch moving contact 3 is made of copper silver plating, is fixed on the GIS shell 2 through epoxy resin glue, and the thickness of the silver plating layer is set to be 0.1mm.
The GIS shell 2 is made of aluminum alloy, is grounded through the copper strip 9, is arranged right above the GIS shell 2 at a position 120mm away from the left sealing cover plate, and is provided with the GIS ventilation valve 1, and the GIS ventilation valve 1 is connected with the SF through a Teflon air duct 6 The gas cylinder 11 is filled with SF of 0.2MPa into the GIS housing 2 6 And (3) gas. The barometer 13 is disposed right above the middle of the GIS housing 2 and is used for displaying the internal air pressure value. And the zinc arsenide glass observation window 12 is arranged right above the GIS shell 2 at the position 240mm away from the right sealing cover plate, and is sealed through epoxy resin glue. The infrared thermometer 5 is fixed above the observation window 12 by bolts on the right side of the GIS shell 2, and the internal temperature field is measured.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. An experimental device for monitoring abnormal temperature rise faults of real GIS equipment is characterized in that:the device comprises a GIS ventilation valve (1), a GIS shell (2), a GIS isolating switch moving contact (3), a moving contact shielding cover (4), an infrared thermometer (5), a GIS isolating switch static contact (6), a static contact shielding cover (7), a K-type thermocouple (8), a copper strip (9), a heavy current generator (10) and SF (sulfur hexafluoride) 6 The gas cylinder (11), GIS shell (2) is the cylinder structure that both ends were sealed, and GIS shell (2) is placed subaerial, and the axis of GIS shell (2) is parallel with the plastic ground, and GIS gas-insulated metal-enclosed switchgear is fixed mounting along axis direction in the inside of GIS shell (2), and the one end of GIS shell (2) is earthed through copper strips (9), and the upper portion of GIS shell (2) is provided with GIS breather valve (1); the GIS ventilation valve (1) is connected with SF through an air duct 6 The gas cylinders (11) are connected; one end of the GIS equipment is fixedly connected with the GIS isolating switch moving contact (3), and the other end of the GIS equipment is fixedly connected with the GIS isolating switch fixed contact (6); the movable contact shielding cover (4) is sleeved outside the GIS isolating switch movable contact (3), a gap is reserved between the movable contact shielding cover (4) and the GIS isolating switch movable contact (3), and the movable contact shielding cover (4) is fixedly connected with one end round surface of the GIS shell (2) through bolts; the fixed contact shielding cover (7) is sleeved outside the GIS isolating switch fixed contact (6), a gap is reserved between the fixed contact shielding cover (7) and the GIS isolating switch fixed contact (6), and the fixed contact shielding cover (7) is fixedly connected with the round surface of the other end of the GIS shell (2) through bolts; the infrared thermometer (5) is fixedly arranged on the inner side wall of the GIS shell (2) through a bracket; the K-type thermocouple (8) is respectively stuck to the GIS isolating switch moving contact (3), the GIS isolating switch fixed contact (6) and the GIS shell (2) through copper foil paper, and the K-type thermocouple (8) is connected with a digital display instrument; the heavy current generator (10) is respectively connected with the GIS isolating switch moving contact and the GIS isolating switch static contact through copper strips (9) to form a through current loop.
2. The experimental device for monitoring abnormal temperature rise and fault of real GIS equipment according to claim 1, which is characterized in that: and an observation window (12) is arranged on the GIS shell (2), and the GIS shell (2) is connected with the observation window (12) in a sealing way through epoxy resin glue.
3. The experimental device for monitoring abnormal temperature rise and fault of real GIS equipment according to claim 2, which is characterized in that: the observation window (12) is a zinc arsenide glass observation window.
4. The experimental device for monitoring abnormal temperature rise and fault of real GIS equipment according to claim 1, which is characterized in that: the GIS shell (2) is provided with a detection internal SF 6 A barometer (13) for the gas pressure.
5. The experimental device for monitoring abnormal temperature rise and fault of real GIS equipment according to claim 1, which is characterized in that: the support is an adjustable support.
6. The experimental device for monitoring abnormal temperature rise and fault of real GIS equipment according to claim 1, which is characterized in that: the air duct is a Teflon air duct.
7. The experimental device for monitoring abnormal temperature rise and fault of real GIS equipment according to claim 1, which is characterized in that: the output current of the heavy current generator (10) ranges from 0A to 5000A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000498.4A CN109633430B (en) | 2019-01-02 | 2019-01-02 | Abnormal temperature rise fault monitoring experimental device for real GIS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000498.4A CN109633430B (en) | 2019-01-02 | 2019-01-02 | Abnormal temperature rise fault monitoring experimental device for real GIS equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109633430A CN109633430A (en) | 2019-04-16 |
| CN109633430B true CN109633430B (en) | 2024-04-12 |
Family
ID=66056436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910000498.4A Active CN109633430B (en) | 2019-01-02 | 2019-01-02 | Abnormal temperature rise fault monitoring experimental device for real GIS equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109633430B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160654A (en) * | 2019-06-18 | 2019-08-23 | 国网四川省电力公司乐山供电公司 | Temperature rise monitoring test device inside and outside a kind of GIS |
| CN110543717B (en) * | 2019-08-29 | 2023-02-28 | 南方电网科学研究院有限责任公司 | Method and device for constructing GIS equipment temperature rise characteristic simulation model |
| CN111024233B (en) * | 2019-11-14 | 2021-10-08 | 国网上海市电力公司 | Simulation device for poor contact of GIS internal contact and infrared calibration method |
| CN111595459A (en) * | 2020-06-18 | 2020-08-28 | 杭州凯源电子有限公司 | Flexible infrared temperature measuring device suitable for high-voltage switch cabinet movable contact arm |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644670A (en) * | 2009-08-10 | 2010-02-10 | 重庆大学 | Sulfur hexafluoride gaseous discharge micro component infrared detection device and method |
| CN102426336A (en) * | 2011-10-10 | 2012-04-25 | 上海理工大学 | On-line monitoring device of operating state of mining high-voltage distribution isolating switch |
| CN103471719A (en) * | 2013-06-18 | 2013-12-25 | 国家电网公司 | GIS equipment contact temperature monitoring test apparatus |
| CN103592033A (en) * | 2013-11-25 | 2014-02-19 | 国家电网公司 | Method for online monitoring temperature rising of contact of disconnecting switch in GIS tank |
| CN106768354A (en) * | 2016-11-29 | 2017-05-31 | 国网吉林省电力有限公司电力科学研究院 | Large-scale dry-type air-core reactor distributed satellite systems device |
| CN106841955A (en) * | 2017-03-31 | 2017-06-13 | 国网江苏省电力公司电力科学研究院 | A kind of GIS hot-spot failure simulation devices based on infrared temperature-test technology |
| KR101897266B1 (en) * | 2018-04-26 | 2018-09-10 | 주식회사 한국이알이시 | 29kv gis system of remote diagnosis having partial discharge diagnosis function |
| CN209640457U (en) * | 2019-01-02 | 2019-11-15 | 国网吉林省电力有限公司电力科学研究院 | A kind of true type GIS overheating malfunction monitoring experimental provision |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8624601B2 (en) * | 2010-10-04 | 2014-01-07 | Enerdel, Inc. | System and method for determining physical status of switch elements |
-
2019
- 2019-01-02 CN CN201910000498.4A patent/CN109633430B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644670A (en) * | 2009-08-10 | 2010-02-10 | 重庆大学 | Sulfur hexafluoride gaseous discharge micro component infrared detection device and method |
| CN102426336A (en) * | 2011-10-10 | 2012-04-25 | 上海理工大学 | On-line monitoring device of operating state of mining high-voltage distribution isolating switch |
| CN103471719A (en) * | 2013-06-18 | 2013-12-25 | 国家电网公司 | GIS equipment contact temperature monitoring test apparatus |
| CN103592033A (en) * | 2013-11-25 | 2014-02-19 | 国家电网公司 | Method for online monitoring temperature rising of contact of disconnecting switch in GIS tank |
| CN106768354A (en) * | 2016-11-29 | 2017-05-31 | 国网吉林省电力有限公司电力科学研究院 | Large-scale dry-type air-core reactor distributed satellite systems device |
| CN106841955A (en) * | 2017-03-31 | 2017-06-13 | 国网江苏省电力公司电力科学研究院 | A kind of GIS hot-spot failure simulation devices based on infrared temperature-test technology |
| KR101897266B1 (en) * | 2018-04-26 | 2018-09-10 | 주식회사 한국이알이시 | 29kv gis system of remote diagnosis having partial discharge diagnosis function |
| CN209640457U (en) * | 2019-01-02 | 2019-11-15 | 国网吉林省电力有限公司电力科学研究院 | A kind of true type GIS overheating malfunction monitoring experimental provision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109633430A (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109633430B (en) | Abnormal temperature rise fault monitoring experimental device for real GIS equipment | |
| CN103105568B (en) | Aging and the local discharge integrated experimental provision of transformer oil paper insulated electrothermic associating | |
| CN108519545A (en) | It is a kind of it is extremely cold under the conditions of high-tension insulator edge flashing experimental provision and method | |
| CN101713721A (en) | Experimental device and experimental method for transformer oilpaper insulating thermal ageing | |
| CN109557439B (en) | Oil paper insulation defect sleeve running condition simulation device | |
| CN105826748B (en) | The vacuum high-pressure insulation system of the power supply of vacuum environment simulator or test cable switching | |
| CN106841955B (en) | GIS local overheat fault simulation device based on infrared temperature measurement technology | |
| CN104101820A (en) | Transformer oil/paper insulation aging experimental device and method | |
| CN106908700A (en) | Uneven temperature setting of casing paper oil insulation dielectric spectroscopy experimental system and method | |
| CN109799444B (en) | Insulating medium fault simulation device for heat-electricity combination | |
| CN103471719B (en) | A kind of GIS device contact temperature monitoring test device | |
| CN104635054A (en) | Closed-type temperature control solid medium electrical resistivity measurement device | |
| CN108593138A (en) | The temp measuring system and temp measuring method of magnetic control type paralleling reactor inner-core magnet valve | |
| CN209640457U (en) | A kind of true type GIS overheating malfunction monitoring experimental provision | |
| CN203349934U (en) | GIS equipment contact temperature monitoring test apparatus | |
| CN105758557B (en) | A kind of calibrating installation for isolation switch contact temperature monitoring apparatus | |
| CN203287472U (en) | A test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable | |
| Cong et al. | Research on undetected overheat fault of the GIS bus bar contacts based on infrared thermal imaging | |
| CN207780161U (en) | A kind of GIS overheating fault comprehensive monitoring simulators based on infrared measurement of temperature principle | |
| CN208314123U (en) | It is a kind of it is extremely cold under the conditions of high-tension insulator edge flashing experimental provision | |
| CN104215884A (en) | Gas insulation state simulation test device and gas insulation state test method | |
| CN103852698B (en) | A kind of dielectric strength test device of breaker vacuum arc-chutes | |
| CN113488351B (en) | Online monitoring experiment device and method for vacuum degree of high-voltage circuit breaker | |
| CN109856487B (en) | Heating simulation device for researching corresponding relation between GIS inner conductor and shell temperature | |
| CN204241132U (en) | A kind of calibrating installation for isolation switch contact temperature monitoring apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |