CN209640457U - A kind of true type GIS overheating malfunction monitoring experimental provision - Google Patents
A kind of true type GIS overheating malfunction monitoring experimental provision Download PDFInfo
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- CN209640457U CN209640457U CN201920000801.6U CN201920000801U CN209640457U CN 209640457 U CN209640457 U CN 209640457U CN 201920000801 U CN201920000801 U CN 201920000801U CN 209640457 U CN209640457 U CN 209640457U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000013021 overheating Methods 0.000 title claims abstract description 24
- 230000007257 malfunction Effects 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 238000002955 isolation Methods 0.000 claims abstract description 28
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 16
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 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
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Abstract
A kind of true type GIS overheating malfunction monitoring experimental provision belongs to GIS overheating fault monitoring experimental provision technical field, including GIS ventilation valve, GIS shell, GIS disconnecting switch moving contact, moving contact shielding case, infrared radiation thermometer, GIS static contact isolation switch, static contact shielding case, K-type thermocouple, copper strips, strong current generator and SF6Gas cylinder.The utility model can be in the abnormal heating failure of the true type GIS of laboratory simulation, and then probe into the corresponding relationship of the temperature of different GIS hot(test)-spot temperatures and device housings, it simultaneously can be using present apparatus research in overheating fault, thermo parameters method situation inside GIS device can also pass through experimental study SF6Gas obtains the bearing calibration of infrared internal thermometric to infrared absorbing state.
Description
Technical field
The utility model belongs to GIS Cubicle Gas-Insulated Switchgear overheating fault monitoring experimental provision technology neck
Domain especially relates to a kind of true type GIS overheating malfunction monitoring experimental provision.
Background technique
GIS device in electric system the defects of equipment interior contact is bad, In can occur because of the problems such as processing technology
Overheating failure occurs under the operating condition of high current.Such failure is mainly in the disconnecting switch position of GIS device.Current
Fault detection means are to use thermal infrared imager detection device skin temperature, but skin temperature is unable to direct quantitative and reflects internal heat
The temperature of point.
A kind of existing utility model patent CN201310241408- " GIS device contact temperature monitoring test device " though
So can simulate and monitor GIS device internal fault temperature, but its structure has a long way to go with true GIS, true GIS device every
It is horizontal positioned for leaving at pass, and there are shielding cases for inside.Test in existing utility model patent CN201310241408
Device is vertical placement, and internal structure lacks the components such as shielding case.According to heat transfer theory, gas thermal natural convection is in gas chamber
The temperature of portion and hot spot has a great impact, and the structure design of existing patent can seriously affect gas thermal natural convection situation, into
And hot spot and plenum interior temperature value are influenced, very large deviation is generated with truth.
Therefore there is an urgent need for a kind of novel technical solutions in the prior art to solve the problems, such as this.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of true type GIS overheating malfunction monitoring experiment dresses
It sets for solving effectively study SF in the prior art6Skill of the gas to infrared absorption situation and GIS device thermo parameters method
Art problem.
A kind of true type GIS overheating malfunction monitoring experimental provision, including GIS ventilation valve, GIS shell, GIS keep apart
Close moving contact, moving contact shielding case, infrared radiation thermometer, GIS static contact isolation switch, static contact shielding case, K-type thermocouple, copper
Band, strong current generator and SF6Gas cylinder, the GIS shell are the columnar structured of sealing two ends, and GIS shell is placed in plastic cement
On ground, the central axes of GIS shell are parallel with plastic floor, and the inside of GIS shell is fixedly installed with GIS gas along central axes direction
One end of body insulated metal closed switch equipment, GIS shell is grounded by copper strips, and the top of GIS shell is provided with GIS scavenging air valve
Door；The GIS ventilation valve passes through gas-guide tube and SF6Gas cylinder connection；One end of the GIS device and the dynamic touching of GIS disconnecting switch
Head is fixedly connected, and the other end of GIS device is fixedly connected with GIS static contact isolation switch；The moving contact shielding case is sleeved on
The outside of GIS disconnecting switch moving contact and there are gap, moving contacts between moving contact shielding case and GIS disconnecting switch moving contact
Shielding case is fixedly connected by bolt with one end disc of GIS shell；It is quiet that the static contact shielding case is sleeved on GIS disconnecting switch
The outside of contact and between static contact shielding case and GIS static contact isolation switch there are gap, static contact shielding case passes through spiral shell
Bolt is fixedly connected with the other end disc of GIS shell；The infrared radiation thermometer is fixed by the bracket the inside for being mounted on GIS shell
On wall；The K-type thermocouple by copper foil paper be respectively adhered on GIS disconnecting switch moving contact, GIS static contact isolation switch and
On GIS shell, K-type thermocouple is connect with digital display instrument；The strong current generator is separately connected GIS disconnecting switch by copper strips and moves
Contact and GIS static contact isolation switch, constitute through-flow circuit.
Observation window is provided on the GIS shell, and GIS shell is tightly connected by epoxide-resin glue and observation window.
The observation window is zinc arsenide glass window.
The internal SF of detection is provided on the GIS shell6The air gauge of gas pressure.
The bracket is regulating type bracket.
The gas-guide tube is Teflon gas-guide tube.
The range of the output electric current of the strong current generator is 0A~5000A.
Through the above design, the utility model can be brought the following benefits:
1, the utility model can monitor when hot-spot occurring inside GIS device outside the temperature value of hot spot and GIS device
The temperature value of shell.
2, the utility model can simulate the temperature rise situation of GIS device under different contact conditions and different circuit electric current.
3, utility model device proposes the Perspex replaced in traditional GIS equipment with zinc arsenide windowpane
Window through observation window observation internal structure but also can penetrate infrared light measurement internal temperature, kill two birds with one stone.
4, due to the SF in GIS device6Gas has absorption to infrared ray, will affect measurement accuracy, the utility model
Device can be by adjusting GIS plenum interior SF6The pressure of gas probes into SF under different air pressures6Absorption feelings of the gas to infrared ray
Condition.
5, the temperature of GIS device inside and shell can be obtained in utility model device by K-type thermocouple measurement
Value obtains thermo parameters method situation when hot-spot failure occurs for GIS.
6, the structure of utility model device is simple, at low cost.
7, the utility model application infrared temperature-test technology and thermocouple temperature measurement technology construct true type GIS overheating fault monitoring
Experimental provision, can be in the abnormal heating failure of the true type GIS of laboratory simulation, and then probes into different GIS hot(test)-spot temperatures and equipment
The corresponding relationship of the temperature of shell, while temperature of the present apparatus research in overheating fault, inside GIS device can be applied
Field distribution situation can also pass through experimental study SF6Gas obtains the school of infrared internal thermometric to infrared absorbing state
Correction method.
Detailed description of the invention
The utility model is further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is a kind of functional block diagram of true type GIS overheating malfunction monitoring experimental provision of the utility model.
Fig. 2 is a kind of structural schematic diagram of true type GIS overheating malfunction monitoring experimental provision of the utility model.
Fig. 3 is a kind of side structure schematic view of true type GIS overheating malfunction monitoring experimental provision of the utility model.
Fig. 4 is SF in a kind of true type GIS overheating malfunction monitoring experimental provision of the utility model6When air pressure is 0.2MPa
Hot spot actual temperature and infrared monitoring temperature comparisons scheme.
1-GIS ventilation valve, 2-GIS shell, 3-GIS disconnecting switch moving contact, 4- moving contact shielding case, 5- are infrared in figure
Temperature measurer, 6-GIS static contact isolation switch, 7- static contact shielding case, 8-K type thermocouple, 9- copper strips, 10- strong current generator,
11-SF6Gas cylinder, 12- observation window, 13- air gauge.
Specific embodiment
As shown, a kind of true type GIS overheating malfunction monitoring experimental provision, including GIS ventilation valve 1, GIS shell
2, GIS disconnecting switch moving contact 3, moving contact shielding case 4, infrared radiation thermometer 5, GIS static contact isolation switch 6, static contact shielding
Cover 7, K-type thermocouple 8, copper strips 9, strong current generator 10 and SF6Gas cylinder 11.
The GIS shell 2 be it is columnar structured, cylindrical surface contacts with smooth plastic floor and puts, GIS shell 2
Left side is grounded by copper strips 9；
The GIS ventilation valve 1 is fixed on the surface of GIS shell 2, and GIS ventilation valve 1 passes through Teflon gas-guide tube
Connect SF6Gas cylinder 11；
The air gauge 13 is used to show the SF inside the GIS shell 26Gas pressure.
The GIS disconnecting switch moving contact 3 is placed on the middle of GIS device by left side, passes through the epoxy resin
Glue is fixed on GIS device shell, and left end is connected on strong current generator 10 by copper strips 9；
The GIS static contact isolation switch 6 is placed on the middle of GIS device on the right side, passes through the epoxy resin
Glue is fixed on GIS device shell, and right end is connected on strong current generator 10 by copper strips 9；
The moving contact shielding case 4 is bolted on the left side disc inner wall of GIS shell 2, is non-contiguously wrapped
Wrap up in the GIS disconnecting switch moving contact 3；
The static contact shielding case 7 is bolted on the right side disc inner wall of GIS shell 2, is non-contiguously wrapped
Wrap up in the GIS static contact isolation switch 6；
The observation window 12 is zinc arsenide glass material, and observation window 12 is fixed on outside the GIS by epoxide-resin glue
The top of shell 2；
The infrared radiation thermometer 5 is bolted on the GIS shell 2, is adjusted by adjustable bracket red
The position of outer temperature measurer 5；
The K-type thermocouple 8 is pasted onto GIS disconnecting switch moving contact 3, GIS static contact isolation switch 6 by copper foil paper
And on GIS shell 2.
The strong current generator 10 is separately connected GIS disconnecting switch moving contact 3 and GIS disconnecting switch by copper strips 9
Static contact 6 constitutes through-flow circuit.
The SF6Gas cylinder 11 connects GIS ventilation valve 1 by Teflon gas-guide tube.
2 material of GIS shell is aluminium alloy, is made of middle cylinder part and two sides blank cover.Middle cylinder area
The internal diameter that domain is is 560mm, outer diameter 580mm, and each internal diameter of the hollow cylinder and left and right that length is 2.5m is 560mm,
Outer diameter is 600mm, is cast jointly with a thickness of the hollow cylinder of 20mm.Two sides blank cover is that shape is, diameter is
680mm, with a thickness of the cylindrical body of 20mm.Middle cylinder part and two sides blank cover are bolted by 12.Apart from left side
Right above GIS shell 2 at blank cover 120mm, setting GIS takes a breath valve 1, for injecting SF inside GIS shell 26Gas
Body.Air gauge 13 is arranged, for showing air pressure inside value in surface among GIS shell 2.Apart from right side blank cover
Right above GIS shell 2 at 240mm, the zinc arsenide glass window 12 is set, is sealed by epoxide-resin glue.Outside GIS
Infrared radiation thermometer 5 is fixed on on the right side of shell 2 by bolt the top of GIS shell 2, internal temperature is measured by observation window 12
.
6 material of GIS static contact isolation switch is that copper is silver-plated, and silver coating is placed on GIS device with a thickness of 0.5mm
Middle on the right side, depth of groove 120mm, internal diameter 110mm, outer diameter 140mm.It is fixed on by the epoxide-resin glue
On GIS device shell, right end is connected on strong current generator 10 by copper strips 9.
The GIS disconnecting switch moving contact 3 is hollow cylindrical structure, is placed on the middle of GIS device by left side.
Material is that copper is silver-plated, and silver coating is with a thickness of 0mm~0.5mm, entire length 2m, radius 110mm.Central hollow zone length
It is fixed on GIS device shell for 1.8m, internal diameter 35mm by the epoxide-resin glue, intermediate right end is connected by copper strips 9
On strong current generator 10；
The moving contact shielding case 4 is aluminum alloy material, with a thickness of 3mm, length 1.2m.It is fixed by two bolts
In the left side of GIS shell 2, it is non-contiguously wrapped in the GIS disconnecting switch moving contact 3；
The static contact shielding case 7 is aluminum alloy material, with a thickness of 3mm, length 0.35m.It is solid by two bolts
It is scheduled on the right side of GIS shell 2, is non-contiguously wrapped in the GIS disconnecting switch moving contact 3；
The K-type thermocouple 8 is pasted onto the GIS disconnecting switch moving contact 3 by copper foil paper and the GIS keeps apart
Near the junction for closing static contact 6, each one on the GIS disconnecting switch moving contact 3 and the GIS static contact isolation switch 6
It is a, for monitoring junction temperature.In the connection of the GIS disconnecting switch moving contact 3 and the GIS static contact isolation switch 6
The surface and underface of the corresponding GIS shell 2 in the section at place respectively pass through copper foil paper and paste a K-type thermocouple 8, are used for
Monitor 2 temperature of GIS shell；
The GIS ventilation valve 1 is fixed on right above GIS shell 2, connects SF by Teflon gas-guide tube6Gas cylinder 11,
SF is filled with inside to the GIS shell 26Gas pours SF6The pressure of gas is between 0.1MPa~0.6MPa, by the air pressure
Table 13 is shown.
The strong current generator 10 is separately connected the GIS disconnecting switch moving contact 3 and the GIS by copper strips 9
Static contact isolation switch 6, constitutes through-flow circuit, and ground terminal is grounded by copper wire.It is provided on the strong current generator 10 aobvious
Display screen, the range for exporting electric current is 0A~5000A.
With reference to embodiment, the utility model is further illustrated.
Embodiment 1:
The input terminal of the strong current generator 10 is electrically connected by conducting wire with the city of 220V/50Hz, and electric current is exported
Anode for 3000A, the output end of strong current generator 10 is connect by copper strips 9 with the GIS disconnecting switch moving contact 3, greatly
The cathode of the output end of current feedback circuit 10 is connect by copper strips 9 with the GIS static contact isolation switch 6, is isolated for the GIS
The contact position of switch movable contact 3 and the GIS static contact isolation switch 6 provides high current, simulates hot-spot failure.
The material of the GIS disconnecting switch moving contact 3 is that copper is silver-plated, is fixed on the GIS shell 2 by epoxide-resin glue
On, silver coating thickness is set as 0.5mm.
The material of the GIS static contact isolation switch 6 is that copper is silver-plated, and silver coating passes through epoxide-resin glue with a thickness of 0.5mm
It is fixed on the GIS shell 2.
The material of the moving contact shielding case 4 and the static contact shielding case 7 is aluminium alloy, is bolted on respectively
On the GIS shell 2.
The material of the GIS shell 2 is aluminium alloy, is grounded by the copper strips 9, at the blank cover 120mm of left side
The GIS shell 2 right above, the GIS ventilation valve 1 is set, and the GIS ventilation valve 1 is connected by Teflon gas-guide tube
Meet the SF6Gas cylinder 11, to GIS shell 2 inside inject 0.5MPa SF6Gas.Surface among the GIS shell 2,
The air gauge 13 is set, for showing air pressure inside value.The GIS shell 2 at the blank cover 240mm of right side just on
Side, is arranged the zinc arsenide glass window 12, is sealed by epoxide-resin glue.It will by bolt on the right side of the GIS shell 2
The infrared radiation thermometer 5 is fixed on the top of observation window 12, measures internal temperature field.
The K-type thermocouple 8 is pasted onto the GIS disconnecting switch moving contact 3 by copper foil paper and the GIS keeps apart
Near the junction for closing static contact 6, each one on the GIS disconnecting switch moving contact 3 and the GIS static contact isolation switch 6
It is a, for monitoring junction temperature.In the connection of the GIS disconnecting switch moving contact 3 and the GIS static contact isolation switch 6
The surface and underface of the corresponding GIS shell 2 in the section at place respectively pass through copper foil paper and paste a K-type thermocouple 8, K-type
Thermocouple 8 connects digital display instrument for monitoring 2 temperature of GIS shell.
Embodiment 2:
The input terminal of the strong current generator 10 is electrically connected by conducting wire with the city of 220V/50Hz, and electric current is exported
Anode for 3500A, the output end of strong current generator 10 is connect by copper strips 9 with the GIS disconnecting switch moving contact 3, greatly
The cathode of the output end of current feedback circuit 10 is connect by copper strips 9 with the GIS static contact isolation switch 6.
The material of the GIS disconnecting switch moving contact 3 is that copper is silver-plated, is fixed on the GIS shell 2 by epoxide-resin glue
On, silver coating thickness is set as 0.3mm.
The material of the GIS shell 2 is aluminium alloy, is grounded by the copper strips 9, at the blank cover 120mm of left side
The GIS shell 2 right above, the GIS ventilation valve 1 is set, and the GIS ventilation valve 1 is connected by Teflon gas-guide tube
Meet the SF6Gas cylinder 11, to GIS shell 2 inside inject 0.35MPa SF6Gas.Surface among the GIS shell 2,
The air gauge 13 is set, for showing air pressure inside value.The GIS shell 2 at the blank cover 240mm of right side just on
Side, is arranged the zinc arsenide glass window 12, is sealed by epoxide-resin glue.It will by bolt on the right side of the GIS shell 2
The infrared radiation thermometer 5 is fixed on the top of observation window 12, measures internal temperature field.
Embodiment 3: the input terminal of the strong current generator 10 is electrically connected by conducting wire with the city of 220V/50Hz,
Output electric current is 1500A, and the anode of the output end of strong current generator 10 passes through copper strips 9 and the GIS disconnecting switch moving contact 3
The cathode of connection, the output end of strong current generator 10 is connect by copper strips 9 with the GIS static contact isolation switch 6.
The material of the GIS disconnecting switch moving contact 3 is that copper is silver-plated, is fixed on the GIS shell 2 by epoxide-resin glue
On, silver coating thickness is set as 0.1mm.
The material of the GIS shell 2 is aluminium alloy, is grounded by the copper strips 9, at the blank cover 120mm of left side
The GIS shell 2 right above, the GIS ventilation valve 1 is set, and the GIS ventilation valve 1 is connected by Teflon gas-guide tube
Meet the SF6Gas cylinder 11, to GIS shell 2 inside inject 0.2MPa SF6Gas.Surface among the GIS shell 2,
The air gauge 13 is set, for showing air pressure inside value.The GIS shell 2 at the blank cover 240mm of right side just on
Side, is arranged the zinc arsenide glass window 12, is sealed by epoxide-resin glue.It will by bolt on the right side of the GIS shell 2
The infrared radiation thermometer 5 is fixed on the top of observation window 12, measures internal temperature field.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of true type GIS overheating malfunction monitoring experimental provision, it is characterized in that: including GIS ventilation valve (1), GIS shell
(2), GIS disconnecting switch moving contact (3), moving contact shielding case (4), infrared radiation thermometer (5), GIS static contact isolation switch (6),
Static contact shielding case (7), K-type thermocouple (8), copper strips (9), strong current generator (10) and SF6Gas cylinder (11), outside the GIS
Shell (2) is the columnar structured of sealing two ends, and GIS shell (2) is placed on plastic floor, the central axes of GIS shell (2) and modeling
Glue ground is parallel, and the inside of GIS shell (2) is fixedly installed with GIS Cubicle Gas-Insulated Switchgear along central axes direction,
One end of GIS shell (2) is grounded by copper strips (9), and the top of GIS shell (2) is provided with GIS ventilation valve (1)；The GIS
Ventilation valve (1) passes through gas-guide tube and SF6Gas cylinder (11) connection；One end of the GIS device and GIS disconnecting switch moving contact
(3) it is fixedly connected, the other end of GIS device is fixedly connected with GIS static contact isolation switch (6)；The moving contact shielding case (4)
It is sleeved between the outside of GIS disconnecting switch moving contact (3) and moving contact shielding case (4) and GIS disconnecting switch moving contact (3)
There are gap, moving contact shielding case (4) is fixedly connected by bolt with one end disc of GIS shell (2)；The static contact shielding
Cover (7) is sleeved on the outside of GIS static contact isolation switch (6) and static contact shielding case (7) and GIS static contact isolation switch
(6) there are gap between, static contact shielding case (7) is fixedly connected by bolt with the other end disc of GIS shell (2)；It is described
Infrared radiation thermometer (5) is fixed by the bracket on the inner sidewall for being mounted on GIS shell (2)；The K-type thermocouple (8) passes through copper foil
Paper is respectively adhered on GIS disconnecting switch moving contact (3), GIS static contact isolation switch (6) and GIS shell (2), K-type thermoelectricity
Even (8) are connect with digital display instrument；The strong current generator (10) by copper strips (9) be separately connected GIS disconnecting switch moving contact and
GIS static contact isolation switch constitutes through-flow circuit.
2. a kind of true type GIS overheating malfunction monitoring experimental provision according to claim 1, it is characterized in that: the GIS
It is provided on shell (2) observation window (12), and GIS shell (2) is tightly connected by epoxide-resin glue and observation window (12).
3. a kind of true type GIS overheating malfunction monitoring experimental provision according to claim 2, it is characterized in that: the sight
Examining window (12) is zinc arsenide glass window.
4. a kind of true type GIS overheating malfunction monitoring experimental provision according to claim 1, it is characterized in that: the GIS
The internal SF of detection is provided on shell (2)6The air gauge (13) of gas pressure.
5. a kind of true type GIS overheating malfunction monitoring experimental provision according to claim 1, it is characterized in that: the branch
Frame is regulating type bracket.
6. a kind of true type GIS overheating malfunction monitoring experimental provision according to claim 1, it is characterized in that: described lead
Tracheae is Teflon gas-guide tube.
7. a kind of true type GIS overheating malfunction monitoring experimental provision according to claim 1, it is characterized in that: described big
The range of the output electric current of current feedback circuit (10) is 0A~5000A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920000801.6U CN209640457U (en) | 2019-01-02 | 2019-01-02 | A kind of true type GIS overheating malfunction monitoring experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920000801.6U CN209640457U (en) | 2019-01-02 | 2019-01-02 | A kind of true type GIS overheating malfunction monitoring experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640457U true CN209640457U (en) | 2019-11-15 |
Family
ID=68476831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920000801.6U Withdrawn - After Issue CN209640457U (en) | 2019-01-02 | 2019-01-02 | A kind of true type GIS overheating malfunction monitoring experimental provision |
Country Status (1)
| Country | Link |
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| CN (1) | CN209640457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633430A (en) * | 2019-01-02 | 2019-04-16 | 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 |
| CN118150999A (en) * | 2024-05-10 | 2024-06-07 | 国网辽宁省电力有限公司电力科学研究院 | System and method for testing true type of burning-out short circuit of conductor contact of switching equipment |
-
2019
- 2019-01-02 CN CN201920000801.6U patent/CN209640457U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633430A (en) * | 2019-01-02 | 2019-04-16 | 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 |
| CN109633430B (en) * | 2019-01-02 | 2024-04-12 | 国网吉林省电力有限公司电力科学研究院 | Abnormal temperature rise fault monitoring experimental device for real GIS equipment |
| CN118150999A (en) * | 2024-05-10 | 2024-06-07 | 国网辽宁省电力有限公司电力科学研究院 | System and method for testing true type of burning-out short circuit of conductor contact of switching equipment |
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