CN109557439A - Paper oil insulation defect casing operating condition simulator - Google Patents
Paper oil insulation defect casing operating condition simulator Download PDFInfo
- Publication number
- CN109557439A CN109557439A CN201811569120.8A CN201811569120A CN109557439A CN 109557439 A CN109557439 A CN 109557439A CN 201811569120 A CN201811569120 A CN 201811569120A CN 109557439 A CN109557439 A CN 109557439A
- Authority
- CN
- China
- Prior art keywords
- capacitor core
- card slot
- electrode
- inner chamber
- chamber body
- 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.)
- Granted
Links
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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to paper oil insulation defect casing operating condition simulators, when being influenced for insulation performance variation generated when there are different defects to paper oil insulation inside pipe casing capacitor core at present, generally lack effective technology simulation means, the casing that can not be run based on a large number of experiments with defect provides the problem of reliable assessment analysis, using including inner chamber body, outer chamber, electrode card slot, capacitor core component is constituted, by inner chamber body analog casing shell, outer chamber simulates external environment, capacitor core with faultiness design is placed in inner chamber body and is fixed and drawn by electrode card slot, and utilize the heat tape disposed on cavity, humidifier, the auxiliary devices such as thermocouple, which are realized, controls the cavity environment parameter, operating condition simulation is provided for paper oil insulation defect casing, the device experiment porch of quantity of state detection.Its building easy to implement, and be able to satisfy defect casing state of insulation research when casing run repeatedly, the demand of duplicate measurements, provide biggish convenience for worker.
Description
Technical field
The present invention relates to electric power safety running technology field, in particular to a kind of paper oil insulation defect casing operating condition mould
Quasi- device.
Background technique
Paper oil insulation casing is the important attached safety device of large-scale power transformer, is played high-low voltage leads from transformation
Insulation of connection and lead of the transformer with external electrical network to transformer case is realized in the effect drawn inside device.Mesh
The preceding condenser-type terminal that paper oil insulation is most commonly that in power grid, primary insulation component are internal capacitor core.Due to
Paper oil insulation cannula structure is complicated, compact to design, improper installing and designing, and running environment readily becomes change under the conditions of badly waiting
The weakest link of depressor insulation system.Statistics display, casing failure cause accounting in failure in transformer accessory defect and are up to
35% ~ 45%, and paper oil insulation casing often occurs due to internal capacitance fuse humidified insulation, aging, manufacturing process, insulating materials
The defect that the reasons such as bad induce, these will lead to casing insulation performance and exception occur, and such as insulation reduces, electric discharge or even insulation are hit
It wears.Generated insulation performance variation influences when there are different defects to paper oil insulation inside pipe casing capacitor core, still general at present
All over effective technology simulation means are lacked, the casing that can not be run based on a large number of experiments with defect provides reliable analysis and assessment.
Summary of the invention
For above-mentioned subproblem, the present invention provides paper oil insulation defect casing operating condition simulator methods, use
When there are different defects to solve paper oil insulation inside pipe casing capacitor core, simple, great Liang Chong can be carried out by invention device
Multiple height imitates casing simulation test.
Paper oil insulation defect casing operating condition simulator is a kind of casing operation work based on the design of interior outer-cavity structure
Condition simulator provides the research platform of running simulation and quantity of state detection for the casing of different defect types.
What it was implemented with the following technical solutions:
A kind of paper oil insulation defect casing operating condition simulator, including inner chamber body, outer chamber, electrode card slot, capacitor core；
The inner chamber body is placed in inside the outer chamber, and the geometric center of inner chamber body is Chong Die with the geometric center of outer chamber；
The capacitor core is placed in inner chamber body；
The electrode card slot is respectively penetrated from the slot of outer chamber, inner chamber body two sides and is contacted with the capacitor core, is inner cavity
Body and capacitor core provide support and fixed inner chamber body and capacitor core；
Outer chamber, inner chamber body, capacitor core are connected by the electrode card slot；
Binding post in top conductor line and binding post and outer chamber of the capacitor core by passing through inner chamber body is electrically connected；
Capacitor core is by the base conductor and binding post and outer chamber electrical connection across inner chamber body.
Preferably, affiliated inner chamber body is seal cavity, is made of internal chamber wall, inner cavity cover board, and analog casing shell is used for；
Oil valve is installed on the internal chamber wall, and air valve, air gauge are housed on the cover board of inner cavity；The inside cavity of inner chamber body can be realized pumping
Vacuum, oil-filled operation；
Electrode card slot slot is installed in the internal chamber wall two sides, and electrode card slot runs through the slot；
A binding post is respectively installed on the bottom of the inner chamber body and inner cavity cover board, by conducting wire and capacitor core measuring electrode and
Bucking electrode is electrically connected respectively；
The internal chamber wall and inner cavity cover board are made of organic glass, and inner cavity cover board and internal chamber wall contact position are equipped with seal washer,
And fastening screw is housed, inner chamber body is sealed.
Preferably, the outer chamber is seal cavity, is made of outer chamber wall, pedestal and exocoel cover board, for manufacturing simultaneously mould
Quasi- jacket exterior running environment variation；
Heat tape, humidifier are installed in outer chamber wall；Thermocouple, detachable bracket are installed on pedestal；It is installed on exocoel cover board
Hygrometer, air valve and air gauge；Electrode card slot slot is installed in outer chamber wall, electrode card slot runs through slot；It is equipped on exocoel cover board
The metal screw of perforation, the fixed wire termination of inside screw rod, the extraction for capacitor core measurement end；Metab and inner chamber body
The conducting wire that bottom is drawn is connected directly, the ground connection for capacitor core bucking electrode；
The outer chamber wall and pedestal are made of metal material, and exocoel cover board is made of organic glass, and exocoel cover board connects with outer chamber wall
Synapsis is equipped with seal washer, and fastening screw is housed, and is sealed to outer chamber.
Preferably, the electrode card slot is metal structure firmware, is made of, uses two various sizes of electrode card slot overlap joints
It is fixed in outer chamber in by inner chamber body, and capacitor core is fixed in inner chamber body, and is electric with the metal guide rod of capacitor core
Gas phase connects, and plays the effect of conducting electric current, voltage；
Electrode card slot and outer chamber wall contact position are equipped with the polytetrafluoroethylene (PTFE) cushion block of a ring shape, for electrode card slot and metal exocoel
The electrical isolation of wall.
Preferably, the capacitor core is made of metal guide rod, insulating layer and ring shaped conductive adhesive tape；
The metal guide rod is contacted with the electrode card slot on internal chamber wall, is drawn as high-field electrode by electrode card slot；
The insulating layer uses empire paper, according to the different empire paper of the replacement for the defect type that need to be simulated；Insulating layer is most
The middle position of superficies winds the conductive tape of a ring shape, as measuring electrode；Measuring electrode two sides respectively wind a circle
Ring shaped conductive adhesive tape, as bucking electrode；Metal guide rod and intermediate and two sides conductive tapes constitute three electrode measurement systems,
For carrying out the testing experiment of set pipe insulation various states amount；
The metal guide rod of the electrode card slot and capacitor core is all made of oxygenless copper material, the metal guide rod diameter of capacitor core with
Electrode card slot internal diameter on the body wall of inner cavity is consistent, in the electrode card slot outer diameter on the body wall of inner cavity and the electrode card slot on exocoel body wall
Diameter is consistent；
Preferably, the capacitor core need to be placed in inner chamber body, and carry out vacuum oil, be run again after static 72 hours
Work condition analogue.
The present invention has following features and benefit:
1) the present invention provides the simulator of the paper oil insulation casing operating condition for being run with defect, for dampness, aging,
Quality of materials problem, unreasonable structural design etc. difference defect type casing provide adjustable operating condition running simulation and easily
In the research platform that the quantity of state of measurement detects；
2) present invention combines the unit structure using interior exocoel, building easy to implement, by the adjusting of internal, exocoel temperature and humidity,
The steady-state operation environment of energy approximate simulation casing, improves the accuracy to defect casing state quantity research；
Capacitor core and the insulating oil being filled in inner chamber body are easy to replace in the present invention, inner chamber body vacuum-pumping, drying and clear
Wash, meet defect casing quantity of state detect study when casing run repeatedly, duplicate measurements the needs of.
Detailed description of the invention
Attached drawing 1 is the whole design component diagram of the device of the invention；
Attached drawing 2 is the axonometric drawing of electrode card slot in the present invention；
Attached drawing 3 is three electrode measurement system schematic of capacitor core in the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the figure in the embodiment of the present invention
1-3, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiment of the present invention being usually described and illustrated herein in the accompanying drawings
Detailed description is not intended to limit the range of claimed invention, but is merely representative of selected embodiment of the invention.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, paper oil insulation defect casing operating condition simulator, essentially according to including the following steps, namely reality
It applies:
(1) the structure design of invention device
Described device includes that the main components such as inner chamber body 100, outer chamber 200, electrode card slot 300, capacitor core 400 are constituted.It is interior
Cavity 100 is seal cavity, is used for analog casing shell, and inside cavity can vacuumize, inflate and Oil treatment；Outer chamber
200 be seal cavity, the variation for analog casing external environment condition；Electrode card slot 300 is used to connect capacitor core guide rod,
Fixed capacity fuse and inner chamber body, and drawn as high-voltage end, three-view diagram is as shown in Figure 2.400 guide rod diameter of capacitor core with
Electrode card slot internal diameter on the body wall of inner cavity is consistent, in the electrode card slot outer diameter on the body wall of inner cavity and the electrode card slot on exocoel body wall
Diameter is consistent, can fixed capacity fuse and inner chamber body position.
Inner chamber body 100 is made of internal chamber wall 101, inner cavity cover board 102.Internal chamber wall and inner cavity cover board are by the organic glass of high temperature resistant
Glass is made, and inner cavity cover board and internal chamber wall contact position are equipped with refractory seals washer 103, and fastening screw 104 is housed, and may be implemented
The sealing of inner chamber body.Oil valve 105 is housed on internal chamber wall, air valve 106 is housed on the cover board of inner cavity, air valve and oil valve cooperate can be with
Realize the vacuum oil immersion of capacitor core.Internal chamber wall two sides are equipped with electrode card slot 300.It is respectively equipped on inner chamber body bottom and inner cavity cover board
One binding post 107, is connected by copper conductor 108, the extraction for capacitor core measurement end and ground line.On the cover board of inner cavity
Equipped with air gauge 109, inner chamber body air pressure inside can be monitored in real time.
Outer chamber 200 is made of outer chamber wall 201, pedestal 202 and exocoel cover board 203.Outer chamber wall and pedestal are by metal material
It is made, exocoel cover board is made of high temperature resistant organic glass, and exocoel cover board and outer chamber wall contact position are equipped with refractory seals washer
204, and fastening screw 205 is housed, the sealing of outer chamber may be implemented.On pedestal be equipped with detachable bracket 206, be conveniently adjusted and
The position of mobile whole device.Outer chamber wall is equipped with heat tape 207, and pedestal is equipped with thermocouple 208, for in outer chamber
The heating of portion's environment and temperature monitoring.Humidifier 209 is housed in outer chamber wall, hygrometer 210 is housed on exocoel cover board, for pair
The humid control of outer chamber internal environment and monitoring.On exocoel cover board be equipped with air valve 211 and air gauge 212, for vacuumize with
And control and monitor outer chamber air pressure inside.Electrode card slot 300 is housed in outer chamber wall, is connected with the electrode card slot on internal chamber wall
Touching, for fixing the position of inner chamber body and the extraction of high-voltage end.Electrode card slot and outer chamber wall contact position are equipped with a ring shape
Polytetrafluoroethylene (PTFE) cushion block 213, the electrical isolation for electrode card slot and metal outer chamber wall.Metal equipped with perforation on exocoel cover board
Screw rod 214, inside can fix wire termination, for the extraction of capacitor core measurement end, metab directly with inner chamber body bottom
The ground line of extraction is connected, the ground connection for capacitor core bucking electrode.
Capacitor core 400 forms 402 by metal guide rod 401 and insulating layer.Electrode card slot on metal guide rod and internal chamber wall
It directly contacts, as high-field electrode, the middle position of insulating layer outermost surface is equipped with the conductive tape 403 of a ring shape, makees
For measuring electrode, the conductive tape two sides in middle position are respectively equipped with a ring shape conductive tape 404, as bucking electrode, such as Fig. 3
It is shown.Metal guide rod and intermediate and two sides conductive tapes constitute three-electrode system, in capacitor core insulator layer and
The measurement of surface leakage current.
(2) simulation of casing operating condition
The present apparatus can casing actual motion when various working modeling scheme, pass through designed, designed and be put into aging, dampness, insulation
The capacitor core of the different insulatives defect types such as bad, the structure design shortcoming of quality of materials, the insulation defect of analog casing itself.
Capacitor core is first placed before dry run and carries out vacuum oil immersion, and capacitor core is placed in inner chamber body, electricity is made
The electrode card slot held on the guide rod and internal chamber wall of fuse coincide, and the cover board of inner chamber body and fastening is covered, by vacuum pump and inner chamber body
Air valve on cover board is connected, and makees vacuumize process to inner chamber body, is then shut off air valve, by oil valve and fills drying using conduit
The container of insulating oil connects, and opens oil valve, insulating oil is injected into inner chamber body using the draught head of inner chamber body and external environment,
And 72 hours are stood, realize the vacuum oil immersion of capacitor core.
Secondly, the ambient humidity inside outer chamber can be changed, and utilize humidity by the humidifier being connected with outer chamber
Meter real time monitoring chamber vivo environment humidity, can be with the variation of analog casing operational process external environment humidity；By twining formula outside
Heat tape can integrally heat cavity, and by temperature change in thermocouple monitoring outer chamber, can be run with analog casing
Exterior temperature change in the process；It can be made at inflation or pumping in outer chamber by the exhaust valve on outer housing upper cover plate
Reason, can simulate the air pressure change of Different Altitude Regions casing running environment；By control inner chamber body upper cover plate on air valve come
The seal degree for adjusting inner chamber body, can be with the leakproofness defect in analog casing operational process.
Capacitor core and the whole application of filling oil after the setting for completing outside work condition environment through the above steps, to inner cavity
Voltage, to simulate the practical state in operation of live bushing installation.Specific implementation step are as follows: (as shown in figure 1 by high pressure guide rod
Shown in 300) shorted on both ends after be connected with external high voltage power supply output end and apply high voltage, voltage class is according to test mesh
And this test depending on the insulation of selected capacitor core (such as 110kV, 220kV, 500kV etc.), 214 electrodes simulation in Fig. 1
The flange of entity casing, does grounding.
Capacitor core and insulating oil in inner chamber body is kept to be continuously applied electricity under the conditions of set outer chamber environmental working condition
Pressure a period of time, to realize oil immersed type capacitance graded bushing charging operation under all kinds of environmental conditions (temperature, humidity and air pressure etc.)
Laboratory simulation.
(3) related dielectric features amount test is carried out to defect casing
After Work condition analogue, relevant dielectric features amount should be carried out to defect casing and tested, including dielectric loss, insulated electro
With in time/frequency domain dielectric response measurement test, wiring uses the mode of connection shown in Fig. 3, adopts for resistance, shelf depreciation, industrial frequency withstand voltage
When flowing through the internal electric current of capacitor core insulating layer with three-electrode system measurement, by the voltage output of high-field electrode and measuring device
End connects, and measuring electrode is connected with the current input terminal of measuring device, bucking electrode is grounded, can be masked by guide rod edge
Surface of insulating layer flows to the surface leakage current at bucking electrode, realizes the accurate survey to electric current in capacitor core insulator layer
Amount, this wiring, which is applicable in, is surveyed with major insulation dielectric loss, shelf depreciation, insulation resistance, industrial frequency withstand voltage in time/frequency domain dielectric response
Amount test after the completion of wiring, connects different measuring devices according to test demand to obtain test data and realize all kinds of experiment mesh
's.
(4) the dry recycling of equipment
After completing ambient humidity measurement, need that cavity is dried so that test next time is used.Open outer chamber upper cover
Plate takes out inner chamber body, keeps outer chamber in open state, powers to heating tape.The heating temperature that heating tape is arranged is 80 °C,
2h is stood in dry environment, if there are droplet condensation in the upper cover plate inside and inner chamber body outer wall under disassembly after removing, is taken
It should wipe after lower to drying regime.After completing aforesaid operations, it is put into inner cavity, and cover outer chamber cover board, enables described device in close
Envelope state.
Claims (6)
1. a kind of paper oil insulation defect casing operating condition simulator, which is characterized in that including inner chamber body, outer chamber, electrode
Card slot, capacitor core；
The inner chamber body is placed in inside the outer chamber, and the geometric center of inner chamber body is Chong Die with the geometric center of outer chamber；
The capacitor core is placed in inner chamber body；
The electrode card slot is respectively penetrated from the slot of outer chamber, inner chamber body two sides and is contacted with the capacitor core, is inner cavity
Body and capacitor core provide support and fixed inner chamber body and capacitor core；
Outer chamber, inner chamber body, capacitor core are connected by the electrode card slot；
Binding post in top conductor line and binding post and outer chamber of the capacitor core by passing through inner chamber body is electrically connected；
Capacitor core is by the base conductor and binding post and outer chamber electrical connection across inner chamber body.
2. the apparatus according to claim 1, it is characterised in that:
Affiliated inner chamber body is seal cavity, is made of internal chamber wall, inner cavity cover board, and analog casing shell is used for；
Oil valve is installed on the internal chamber wall, and air valve, air gauge are housed on the cover board of inner cavity；The inside cavity of inner chamber body can be realized pumping
Vacuum, oil-filled operation；
Electrode card slot slot is installed in the internal chamber wall two sides, and electrode card slot runs through the slot；
A binding post is respectively installed on the bottom of the inner chamber body and inner cavity cover board, by conducting wire and capacitor core measuring electrode and
Bucking electrode is electrically connected respectively；
The internal chamber wall and inner cavity cover board are made of organic glass, and inner cavity cover board and internal chamber wall contact position are equipped with seal washer,
And fastening screw is housed, inner chamber body is sealed.
3. the apparatus according to claim 1, it is characterised in that:
The outer chamber is seal cavity, is made of outer chamber wall, pedestal and exocoel cover board, for manufacturing fortune outside simultaneously analog casing
Row environmental change；
Heat tape, humidifier are installed in outer chamber wall；Thermocouple, detachable bracket are installed on pedestal；It is installed on exocoel cover board
Hygrometer, air valve and air gauge；Electrode card slot slot is installed in outer chamber wall, electrode card slot runs through slot；It is equipped on exocoel cover board
The metal screw of perforation, the fixed wire termination of inside screw rod, the extraction for capacitor core measurement end；Metab and inner chamber body
The conducting wire that bottom is drawn is connected directly, the ground connection for capacitor core bucking electrode；
The outer chamber wall and pedestal are made of metal material, and exocoel cover board is made of organic glass, and exocoel cover board connects with outer chamber wall
Synapsis is equipped with seal washer, and fastening screw is housed, and is sealed to outer chamber.
4. the apparatus according to claim 1, it is characterised in that:
The electrode card slot is metal structure firmware, is made of, is used for inner chamber body two various sizes of electrode card slot overlap joints
It is fixed in outer chamber, and capacitor core is fixed in inner chamber body, and be electrically connected with the metal guide rod of capacitor core, play
The effect of conducting electric current, voltage；
Electrode card slot and outer chamber wall contact position are equipped with the polytetrafluoroethylene (PTFE) cushion block of a ring shape, for electrode card slot and metal exocoel
The electrical isolation of wall.
5. the apparatus according to claim 1, it is characterised in that:
The capacitor core is made of metal guide rod, insulating layer and ring shaped conductive adhesive tape；
The metal guide rod is contacted with the electrode card slot on internal chamber wall, is drawn as high-field electrode by electrode card slot；
The insulating layer uses empire paper, according to the different empire paper of the replacement for the defect type that need to be simulated；Insulating layer is most
The middle position of superficies winds the conductive tape of a ring shape, as measuring electrode；Measuring electrode two sides respectively wind a circle
Ring shaped conductive adhesive tape, as bucking electrode；Metal guide rod and intermediate and two sides conductive tapes constitute three electrode measurement systems,
For carrying out the testing experiment of set pipe insulation various states amount；
The metal guide rod of the electrode card slot and capacitor core is all made of oxygenless copper material, the metal guide rod diameter of capacitor core with
Electrode card slot internal diameter on the body wall of inner cavity is consistent, in the electrode card slot outer diameter on the body wall of inner cavity and the electrode card slot on exocoel body wall
Diameter is consistent.
6. the apparatus according to claim 1, it is characterised in that:
The capacitor core need to be placed in inner chamber body, and carry out vacuum oil, carry out operating condition mould again after static 72 hours
It is quasi-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569120.8A CN109557439B (en) | 2018-12-21 | 2018-12-21 | Oil paper insulation defect sleeve running condition simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569120.8A CN109557439B (en) | 2018-12-21 | 2018-12-21 | Oil paper insulation defect sleeve running condition simulation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109557439A true CN109557439A (en) | 2019-04-02 |
| CN109557439B CN109557439B (en) | 2021-01-08 |
Family
ID=65870762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811569120.8A Active CN109557439B (en) | 2018-12-21 | 2018-12-21 | Oil paper insulation defect sleeve running condition simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109557439B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208669A (en) * | 2019-06-26 | 2019-09-06 | 国网浙江省电力有限公司电力科学研究院 | The device and method of insulation degradation between simulation oil immersed type capacitor panel of current transformer |
| CN111458612A (en) * | 2020-05-29 | 2020-07-28 | 国网陕西省电力公司电力科学研究院 | State monitoring and defect simulation system for electrical insulation performance of oil-immersed sleeve |
| CN111679167A (en) * | 2020-07-27 | 2020-09-18 | 中车青岛四方机车车辆股份有限公司 | Vehicle-mounted transformer bushing insulation performance evaluation method and test platform |
| CN111781476A (en) * | 2020-06-18 | 2020-10-16 | 国网电力科学研究院武汉南瑞有限责任公司 | Transformer dry-type casing defect simulation and performance state monitoring system and method |
| CN114002561A (en) * | 2021-10-08 | 2022-02-01 | 河南网恒电力科技有限公司 | Detection device and detection method for transformer bus copper bar insulating sleeve |
| CN114113935A (en) * | 2021-11-19 | 2022-03-01 | 国网山东省电力公司电力科学研究院 | Test method of oiled paper insulation sleeve fault simulation device |
| CN114152846A (en) * | 2021-11-26 | 2022-03-08 | 国网上海市电力公司 | Insulation aging test platform based on electric heat and humidity combined factor |
| CN114002561B (en) * | 2021-10-08 | 2024-09-24 | 河南网恒电力科技有限公司 | Transformer bus copper bar insulating sleeve detection device and detection method |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144057C (en) * | 1998-03-07 | 2004-03-31 | 斯考拉电子工业有限公司 | Device for measuring capacitance of electrical wires |
| CN203224595U (en) * | 2013-04-19 | 2013-10-02 | 广东电网公司电力科学研究院 | Oil-paper capacitor type test bushing |
| CN104049167A (en) * | 2014-07-04 | 2014-09-17 | 国家电网公司 | Method for simulating defects of oil impregnated paper bushings |
| CN104914372A (en) * | 2015-07-08 | 2015-09-16 | 国家电网公司 | Virtual-connection discharging simulation apparatus inside enclosed end screen protection cover of oil-impregnated paper condenser type bushing and using method thereof |
| CN105606980A (en) * | 2016-03-28 | 2016-05-25 | 江苏省电力公司无锡供电公司 | Device for testing voltage endurance of substation bus bar heat-shrinkable bush |
| CN205484682U (en) * | 2016-03-28 | 2016-08-17 | 江苏省电力公司无锡供电公司 | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation |
| CN106093725A (en) * | 2016-06-23 | 2016-11-09 | 中国电力科学研究院 | Bushing electric capacity core body insulation performance testing device |
| CN106908700A (en) * | 2017-03-06 | 2017-06-30 | 云南电网有限责任公司电力科学研究院 | Uneven temperature setting of casing paper oil insulation dielectric spectroscopy experimental system and method |
| CN106990342A (en) * | 2017-06-08 | 2017-07-28 | 重庆大学 | A kind of method of Oil-impregnated Paper Condenser Bushing in History effect of electromagnetic field test |
| CN107329064A (en) * | 2017-08-24 | 2017-11-07 | 西南交通大学 | A kind of experimental method of sleeve pipe major insulation multiple-factor joint aging |
| CN107449995A (en) * | 2017-07-06 | 2017-12-08 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of direct-current wall bushing SF6The system that electric discharge produces solid product |
| CN206740910U (en) * | 2017-04-21 | 2017-12-12 | 湖北天瑞电子股份有限公司 | A kind of high pressure GDJS |
| CN107478973A (en) * | 2017-10-10 | 2017-12-15 | 国网江苏省电力公司电力科学研究院 | A kind of Oil-impregnated Paper Condenser Bushing in History experimental model device |
| CN107576894A (en) * | 2017-08-25 | 2018-01-12 | 西南交通大学 | A kind of impact load setting of casing interior insulation is made moist the method for experiment |
| CN206990736U (en) * | 2016-11-08 | 2018-02-09 | 国网江苏省电力公司电力科学研究院 | Temperature control device for insulator arc-over experiment |
| CN108490327A (en) * | 2018-05-25 | 2018-09-04 | 杭州顿恒科技有限公司 | A kind of grid operation equipment insulation monitoring device |
| CN108923355A (en) * | 2018-10-12 | 2018-11-30 | 山东彼岸电力科技有限公司 | A kind of capacitive type wall bushing |
| CN208188251U (en) * | 2018-03-07 | 2018-12-04 | 华北电力大学（保定） | Insulator electrical characteristic imitative experimental appliance |
| CN108931710A (en) * | 2017-05-24 | 2018-12-04 | 句容市福润电气有限公司 | A kind of post insulator style sensor |
| CN208207133U (en) * | 2018-05-25 | 2018-12-07 | 杭州顿恒科技有限公司 | A kind of grid operation equipment insulation monitoring device |
-
2018
- 2018-12-21 CN CN201811569120.8A patent/CN109557439B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144057C (en) * | 1998-03-07 | 2004-03-31 | 斯考拉电子工业有限公司 | Device for measuring capacitance of electrical wires |
| CN203224595U (en) * | 2013-04-19 | 2013-10-02 | 广东电网公司电力科学研究院 | Oil-paper capacitor type test bushing |
| CN104049167A (en) * | 2014-07-04 | 2014-09-17 | 国家电网公司 | Method for simulating defects of oil impregnated paper bushings |
| CN104914372A (en) * | 2015-07-08 | 2015-09-16 | 国家电网公司 | Virtual-connection discharging simulation apparatus inside enclosed end screen protection cover of oil-impregnated paper condenser type bushing and using method thereof |
| CN105606980A (en) * | 2016-03-28 | 2016-05-25 | 江苏省电力公司无锡供电公司 | Device for testing voltage endurance of substation bus bar heat-shrinkable bush |
| CN205484682U (en) * | 2016-03-28 | 2016-08-17 | 江苏省电力公司无锡供电公司 | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation |
| CN106093725A (en) * | 2016-06-23 | 2016-11-09 | 中国电力科学研究院 | Bushing electric capacity core body insulation performance testing device |
| CN206990736U (en) * | 2016-11-08 | 2018-02-09 | 国网江苏省电力公司电力科学研究院 | Temperature control device for insulator arc-over experiment |
| CN106908700A (en) * | 2017-03-06 | 2017-06-30 | 云南电网有限责任公司电力科学研究院 | Uneven temperature setting of casing paper oil insulation dielectric spectroscopy experimental system and method |
| CN206740910U (en) * | 2017-04-21 | 2017-12-12 | 湖北天瑞电子股份有限公司 | A kind of high pressure GDJS |
| CN108931710A (en) * | 2017-05-24 | 2018-12-04 | 句容市福润电气有限公司 | A kind of post insulator style sensor |
| CN106990342A (en) * | 2017-06-08 | 2017-07-28 | 重庆大学 | A kind of method of Oil-impregnated Paper Condenser Bushing in History effect of electromagnetic field test |
| CN107449995A (en) * | 2017-07-06 | 2017-12-08 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of direct-current wall bushing SF6The system that electric discharge produces solid product |
| CN107329064A (en) * | 2017-08-24 | 2017-11-07 | 西南交通大学 | A kind of experimental method of sleeve pipe major insulation multiple-factor joint aging |
| CN107576894A (en) * | 2017-08-25 | 2018-01-12 | 西南交通大学 | A kind of impact load setting of casing interior insulation is made moist the method for experiment |
| CN107478973A (en) * | 2017-10-10 | 2017-12-15 | 国网江苏省电力公司电力科学研究院 | A kind of Oil-impregnated Paper Condenser Bushing in History experimental model device |
| CN208188251U (en) * | 2018-03-07 | 2018-12-04 | 华北电力大学（保定） | Insulator electrical characteristic imitative experimental appliance |
| CN108490327A (en) * | 2018-05-25 | 2018-09-04 | 杭州顿恒科技有限公司 | A kind of grid operation equipment insulation monitoring device |
| CN208207133U (en) * | 2018-05-25 | 2018-12-07 | 杭州顿恒科技有限公司 | A kind of grid operation equipment insulation monitoring device |
| CN108923355A (en) * | 2018-10-12 | 2018-11-30 | 山东彼岸电力科技有限公司 | A kind of capacitive type wall bushing |
Non-Patent Citations (1)
| Title |
|---|
| 吴俊峰: "局部放电信号经油纸绝缘套管向外传播特性及检测方法研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208669A (en) * | 2019-06-26 | 2019-09-06 | 国网浙江省电力有限公司电力科学研究院 | The device and method of insulation degradation between simulation oil immersed type capacitor panel of current transformer |
| CN110208669B (en) * | 2019-06-26 | 2024-05-10 | 国网浙江省电力有限公司电力科学研究院 | Device and method for simulating insulation degradation between capacitive screens of oil-immersed current transformer |
| CN111458612A (en) * | 2020-05-29 | 2020-07-28 | 国网陕西省电力公司电力科学研究院 | State monitoring and defect simulation system for electrical insulation performance of oil-immersed sleeve |
| CN111781476A (en) * | 2020-06-18 | 2020-10-16 | 国网电力科学研究院武汉南瑞有限责任公司 | Transformer dry-type casing defect simulation and performance state monitoring system and method |
| CN111679167A (en) * | 2020-07-27 | 2020-09-18 | 中车青岛四方机车车辆股份有限公司 | Vehicle-mounted transformer bushing insulation performance evaluation method and test platform |
| CN111679167B (en) * | 2020-07-27 | 2022-06-14 | 中车青岛四方机车车辆股份有限公司 | Vehicle-mounted transformer bushing insulation performance evaluation method and test platform |
| CN114002561A (en) * | 2021-10-08 | 2022-02-01 | 河南网恒电力科技有限公司 | Detection device and detection method for transformer bus copper bar insulating sleeve |
| CN114002561B (en) * | 2021-10-08 | 2024-09-24 | 河南网恒电力科技有限公司 | Transformer bus copper bar insulating sleeve detection device and detection method |
| CN114113935A (en) * | 2021-11-19 | 2022-03-01 | 国网山东省电力公司电力科学研究院 | Test method of oiled paper insulation sleeve fault simulation device |
| CN114113935B (en) * | 2021-11-19 | 2024-05-17 | 国网山东省电力公司电力科学研究院 | Test method of fault simulation device of oilpaper insulating sleeve |
| CN114152846A (en) * | 2021-11-26 | 2022-03-08 | 国网上海市电力公司 | Insulation aging test platform based on electric heat and humidity combined factor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109557439B (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109557439A (en) | Paper oil insulation defect casing operating condition simulator | |
| CN103105568B (en) | Aging and the local discharge integrated experimental provision of transformer oil paper insulated electrothermic associating | |
| CN107797041B (en) | Sensor environment compatibility test system in gas insulated electrical equipment | |
| CN101713721A (en) | Experimental device and experimental method for transformer oilpaper insulating thermal ageing | |
| CN104133165B (en) | Transformer oil paper insulation test system | |
| CN110346701A (en) | A kind of shelf depreciation acousto-optic-electric combined measurement platform under electrothermal forces multi- scenarios method | |
| CN108445309A (en) | A kind of temperature gradient disc insulator surface charge measuring device and method off field | |
| CN103513132B (en) | Power transmission and transformation system equipment state simulator | |
| CN108519545A (en) | It is a kind of it is extremely cold under the conditions of high-tension insulator edge flashing experimental provision and method | |
| CN108490278B (en) | Miniaturized basin-type insulator surface charge three-dimensional measurement device and method | |
| CN101551436A (en) | Barometric pressure humidity controllable local discharge test device | |
| CN108732473B (en) | Miniaturized basin-type insulator surface charge distribution synchronous measurement device and method | |
| CN205080231U (en) | Electrified testing device of GIS partial discharge based on defects simulation | |
| CN110824312A (en) | GIS equipment defect simulation analysis equipment and method | |
| CN107907806A (en) | A kind of bus voltage measurement device based on GIS disc insulator distribution capacity | |
| CN202522378U (en) | Testing device of insulator voltage withstanding test | |
| CN204008986U (en) | Test fuel tank | |
| CN206411236U (en) | High-tension circuit breaker analog device | |
| CN104634898A (en) | Test method and device for evaluating gas production trend of transformer oil in electric-thermal mixed field | |
| CN206311712U (en) | A kind of experimental rig for simulating solid insulating material bubble-discharge defect | |
| CN208314083U (en) | A kind of temperature gradient disc insulator surface charge measuring device off field | |
| CN208140851U (en) | A kind of semiconductor element accelerated ageing test device | |
| CN116106162A (en) | Dampproof bottom plate plugging effect testing device and method | |
| CN113406392B (en) | Resistance measuring device and resistance measuring method in cable buffer layer ablation process | |
| CN203587790U (en) | Device for laboratory simulation test of electric equipment on-line detection device |
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 |