CN203630293U - Discharge test model for transformer main insulating surface suspended potential - Google Patents
Discharge test model for transformer main insulating surface suspended potential Download PDFInfo
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- CN203630293U CN203630293U CN201320684001.3U CN201320684001U CN203630293U CN 203630293 U CN203630293 U CN 203630293U CN 201320684001 U CN201320684001 U CN 201320684001U CN 203630293 U CN203630293 U CN 203630293U
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- electrode
- organic glass
- glass container
- transformer
- discharge
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- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 25
- 239000000725 suspension Substances 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 19
- 239000004094 surface-active agent Substances 0.000 claims description 14
- 230000007547 defect Effects 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract 1
- 239000007769 metal material Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a discharge test model for transformer main insulating surface suspended potential, and solves problems and the defects in the prior art that adjustment of suspended potential discharge intensity is difficult and simulation of main insulating surface suspended discharge is difficult. The discharge test model comprises that an organic glass container (5) is fully filled with transformer oil (6). The top end of the organic glass container is provided with an upper pole plate (1) which is provided with a high-voltage electrode (2) with height is adjustable. The high-voltage electrode is arranged on the upper part in the organic glass container (5). The bottom end of the organic glass container (5) is provided with a lower pole plate (8) which is provided with a ground electrode (7) with height is adjustable. The ground electrode is arranged on the lower part in the organic glass container. An insulating paper plate (4) is arranged between the high-voltage electrode and the ground electrode. The insulating paper plate (4) is flexibly provided with a suspended electrode (3). Therefore, a requirement for research on discharge characteristics of the transformer main insulating surface suspended potential is met.
Description
Technical field
The utility model relates to power technology field, particularly a kind of transformer major insulation surfactant suspension current potential discharge test model.
Background technology
Power transformer is the hinge type equipment of electric system power transmission and transformation, is the key equipment of transformation of electrical energy, has vital role in electrical network, and its reliability of operation is directly connected to the safety and stablization of electric system.A large amount of fault statistics analyses show, transformer insulated fault is the main cause of the normal operation of obstruction equipment.Current large-scale power transformer adopts paper oil insulation structure more, the electrical strength of its design is enough to meet the needs of normal operation, but manufacture and transportation in produce can produce shelf depreciation as defects such as bubble, burr and floating potentials, affect the safe operation of equipment.In many defects, the major insulation surfactant suspension current potential defect that transformer major insulation surface exists metal fragment to cause is the most common, and first it cause floating potential discharge, then causes major insulation surface-discharge, finally causes edge flashing, causes Accident of Transformer.For the research of floating potential discharge in transformer, all carry out a large amount of work both at home and abroad." the suspended discharge measurement mechanism detecting for transformer fault " that " a kind of model of simulating discharge of transformer internal suspension " that the open application number of Chinese patent is 201020676891.X and the open application number of Chinese patent are 201020676894.3, a kind of transformer floating potential measurement mechanism is all disclosed, but two kinds of apparatus structures are comparatively complicated, strength of discharge is difficult to control, and floating potential discharge defect that all can not analogue transformer major insulation surface.
Summary of the invention
The utility model provides a kind of transformer major insulation surfactant suspension current potential discharge test model, has solved prior art and transformer major insulation surfactant suspension current potential strength of discharge has been regulated to difficult problem and be difficult to simulate the present situation of major insulation surfactant suspension electric discharge.
The utility model is to solve by the following technical programs above technical matters:
A kind of transformer major insulation surfactant suspension current potential discharge test model, comprise organic glass container, in organic glass container, be filled with transformer oil, top at organic glass container is provided with top crown, on top crown, be provided with adjustable for height high-field electrode, high-field electrode is arranged on the top in organic glass container, bottom at organic glass container is provided with bottom crown, on bottom crown, be provided with adjustable for height ground electrode, ground electrode is arranged on the bottom in organic glass container, between high-field electrode and ground electrode, be provided with insulating board, on insulating board, be movably set with suspension electrode.
High-field electrode is cylindrical electrode.。
The utility model solved the problem of prior art to floating potential discharge intensity adjustment difficulty and has been difficult to simulate the present situation of major insulation surfactant suspension electric discharge, met transformer and live the needs of insulating surface suspension orientation discharge characteristic research.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
A kind of transformer major insulation surfactant suspension current potential discharge test model, comprise organic glass container 5, in organic glass container 5, be filled with transformer oil 6, be provided with top crown 1 on the top of organic glass container 5, on top crown 1, be provided with adjustable for height high-field electrode 2, high-field electrode 2 is arranged on the top in organic glass container 5, be provided with bottom crown 8 in the bottom of organic glass container 5, on bottom crown 8, be provided with adjustable for height ground electrode 7, ground electrode 7 is arranged on the bottom in organic glass container 5, between high-field electrode 2 and ground electrode 7, be provided with insulating board 4, on insulating board 4, be movably set with suspension electrode 3, can regulate the position of suspension electrode 3.
High-field electrode 2 is cylindrical electrode.。
The utility model adopts aluminum metal material as top crown 1 and bottom crown 8, and high-field electrode 2 adopts brass metal material, is cylindrical electrode, is connected with top crown 1.Ground electrode 7 adopts brass metal material, is connected with bottom crown 8.Between high-field electrode and ground electrode, there is insulating board, analogue transformer major insulation.
In this model, suspension electrode 3 adopts brass metal material, is square sheet.In order to form major insulation surfactant suspension current potential, suspension electrode is placed on to insulating board and shows, distance high-voltage electrode certain distance, this distance can regulate according to actual conditions, reaches the adjustable object of strength of discharge.After transformer major insulation surfactant suspension potentiometric model is installed, be filled with transformer oil, high-field electrode, suspension electrode are submerged in oil completely.
Fig. 1 is the application schematic diagram of discharging model in the utility model, now discharging model is positioned in organic glass cylinder container, wherein: container top crown 1 and bottom crown 8 are aluminum, top crown connects high-field electrode 2, bottom crown ground-electrode, suspension electrode 3 is placed on insulating board 4 surfaces, and distance high-voltage electrode certain distance, can be by regulating this distance to carry out the adjusting of sparking voltage.In actual tests, according to the needs of test, can adjust flexibly each parameter, for example, get: organic glass cylinder diameter is 15 centimetres 0.2 centimetre of thickness; Upper bottom crown is circular, and thickness is 2 centimetres, 20 centimetres of diameters; 13 centimetres of insulating board diameters, 2 millimeters of thickness, 5 centimetres, distance high-voltage electrode; Suspension electrode is 2 millimeters of 3 cm x 3 cm x.
Above transformer major insulation surfactant suspension current potential discharge test device provided by the utility model is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for those skilled in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (2)
1. a transformer major insulation surfactant suspension current potential discharge test model, comprise organic glass container (5), in organic glass container (5), be filled with transformer oil (6), it is characterized in that, be provided with top crown (1) on the top of organic glass container (5), on top crown (1), be provided with adjustable for height high-field electrode (2), high-field electrode (2) is arranged on the top in organic glass container (5), be provided with bottom crown (8) in the bottom of organic glass container (5), on bottom crown (8), be provided with adjustable for height ground electrode (7), ground electrode (7) is arranged on the bottom in organic glass container (5), between high-field electrode (2) and ground electrode (7), be provided with insulating board (4), on insulating board (4), be movably set with suspension electrode (3).
2. a kind of transformer major insulation surfactant suspension current potential discharge test model according to claim 1, is characterized in that, high-field electrode (2) is cylindrical electrode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320684001.3U CN203630293U (en) | 2013-11-02 | 2013-11-02 | Discharge test model for transformer main insulating surface suspended potential |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320684001.3U CN203630293U (en) | 2013-11-02 | 2013-11-02 | Discharge test model for transformer main insulating surface suspended potential |
Publications (1)
Publication Number | Publication Date |
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CN203630293U true CN203630293U (en) | 2014-06-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320684001.3U Expired - Fee Related CN203630293U (en) | 2013-11-02 | 2013-11-02 | Discharge test model for transformer main insulating surface suspended potential |
Country Status (1)
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CN (1) | CN203630293U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107219444A (en) * | 2017-05-26 | 2017-09-29 | 广西电网有限责任公司电力科学研究院 | A kind of transformer suspended discharge analogue means |
CN113325282A (en) * | 2021-05-31 | 2021-08-31 | 广东电网有限责任公司 | Suspension discharge test model device and method for adjusting discharge gap in electrified mode |
-
2013
- 2013-11-02 CN CN201320684001.3U patent/CN203630293U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107219444A (en) * | 2017-05-26 | 2017-09-29 | 广西电网有限责任公司电力科学研究院 | A kind of transformer suspended discharge analogue means |
CN113325282A (en) * | 2021-05-31 | 2021-08-31 | 广东电网有限责任公司 | Suspension discharge test model device and method for adjusting discharge gap in electrified mode |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181102 |