CN204028282U - A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge - Google Patents
A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge Download PDFInfo
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- CN204028282U CN204028282U CN201420214061.3U CN201420214061U CN204028282U CN 204028282 U CN204028282 U CN 204028282U CN 201420214061 U CN201420214061 U CN 201420214061U CN 204028282 U CN204028282 U CN 204028282U
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- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920005372 Plexiglas® Polymers 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The utility model provides a kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge, comprising: the plexiglass box forming a sealed air chamber; Be placed in described plexiglass box top, be connected with the high-pressure section of power supply, obtain the high-pressure side of trial voltage; Be placed in bottom described plexiglass box, be reliably connected with earth mat the low pressure end that zero potential is provided; Described plexiglass box is filled with insulating medium, and being vertically provided with post electrode, is horizontally arranged with Air-gap electrode; This Air-gap electrode is clipped between upper insulation plate and lower insulation plate, is respectively provided with sheet metal above described upper insulation plate and below lower sheet metal.The utility model can study the individual features of the bubble-discharge of the individual features of bubble-discharge in different insulating mediums and the Air-gap electrode generation of different size.
Description
Technical field
The utility model relates to technical field of electric power, particularly relates to a kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge.
Background technology
Shelf depreciation is a kind of physical process of complexity, except along with except the transfer of electric charge and the loss of electric energy, also can produce electromagnetic radiation, sound, ultrasound wave, light, heat, gas and new product etc.Analyze from electrical aspect, when producing electric discharge, have charge exchange in electric discharge place, have electromagenetic wave radiation, have energy loss.
Based on the research of the phenomenon such as various electricity, light, sound, heat produced when occurring shelf depreciation, become the main contents of Partial Discharge Detection research, the Mechanism of characters for its electric discharge of dissimilar shelf depreciation is also not quite similar.
In prior art, by bubble-discharge model to study the distinctive character of dissimilar shelf depreciation itself.Shelf depreciation ins and outs comprise: the starting potential of electric discharge, discharge energy, the stability of electric discharge, the signal kinds of generation, the frequency domain characteristic of signal, the time domain specification etc. of signal, just can better grasp dissimilar Characteristics of Partial Discharge, the detection technique for practical study shelf depreciation provides reliable theoretical foundation.
The shortcoming of prior art:
1, because existing bubble-discharge model medium can not be changed, so can not study in the individual features of different insulating mediums as bubble-discharge in SF6 or air.
2, because Air-gap electrode can not be changed in existing bubble-discharge model, so the individual features of the bubble-discharge of the Air-gap electrode generation of different size can not be studied.
Utility model content
In order to overcome the technical matters existed in current bubble-discharge model, the utility model provides a kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge, and its concrete scheme is as follows:
For studying a bubble-discharge model for power equipment Characteristics of Partial Discharge, comprising:
Form the plexiglass box (3) of a sealed air chamber;
Be placed in described plexiglass box (3) top, be connected with the high-pressure section of power supply, obtain the high-pressure side (1) of trial voltage;
Be placed in described plexiglass box (3) bottom, be reliably connected with earth mat the low pressure end (2) that zero potential is provided;
Be filled with insulating medium in the sealed air chamber that described plexiglass box (3) is formed, and be vertically provided with post electrode (4), be horizontally arranged with Air-gap electrode (5); This Air-gap electrode (5) is clipped between upper insulation plate (61) and lower insulation plate (62), and described upper insulation plate (61) top and lower insulation plate (62) below are respectively provided with sheet metal (7).
Wherein, the dimension adjustable of described Air-gap electrode (5), it adopts thickness to be 1 mm intermediate throughholes diameter to be the epoxy resin board of 10 mm.
Wherein, described insulating medium is SF6 or air.
Wherein, described post electrode (4) is connected common as high-field electrode with described high-pressure side (1).
Wherein, described post electrode (4) for diameter be the right cylinder of 6 mm.
Wherein, described sheet metal (7) realizes being connected without metal conduction with high-pressure side (1) and low pressure end (2) for making Air-gap electrode (5), its for thickness be 5 mm, diameter is the right cylinder epoxy resin board of 70 mm.
Wherein, described sheet metal (7) is made up of high-pressure side sheet metal (71) and low pressure end sheet metal (72) two parts, and its diameter is 50mm, and described high-pressure side sheet metal (71) is connected with high-pressure side (1) and obtains trial voltage; Described low pressure end sheet metal (72) is connected as low-field electrode with low pressure end (2).
Implement the utility model, there is following beneficial effect:
A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge that the utility model provides, its built-in electrical insulation medium can be changed, can meet at different insulating mediums as replaced between SF6 or air, the individual features of bubble-discharge in different insulating mediums can be studied, in addition, its Air-gap electrode can be changed, can meet and replace between the Air-gap electrode of different size, the individual features of the bubble-discharge that the Air-gap electrode can studying different size produces.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge that Fig. 1 provides for the utility model.
Embodiment
See Fig. 1, being the structural representation of a kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge that the utility model provides, comprising:
Form the plexiglass box 3 of a sealed air chamber;
Be placed in described plexiglass box 3 top, be connected with the high-pressure section of power supply, obtain the high-pressure side 1 of trial voltage;
Be placed in bottom described plexiglass box 3, being reliably connected with earth mat provides zero potential and the low pressure end 2 ensureing the security of whole system;
Be filled with insulating medium in the sealed air chamber that described plexiglass box 3 is formed, and be vertically provided with post electrode 4, be horizontally arranged with Air-gap electrode 5; This Air-gap electrode 5 is clipped between upper insulation plate 61 and lower insulation plate 62, is respectively provided with sheet metal 7 above described upper insulation plate 61 and below lower sheet metal 62.
In specific implementation, the shape of described plexiglass box 3 is cylindrical, and upper surface can fix high-pressure side 1, and lower surface can fix low pressure end 2.The described insulating medium of wherein filling is SF6 or air.
The dimension adjustable of described Air-gap electrode 5, it adopts thickness to be 1 mm intermediate throughholes diameter to be the epoxy resin board of 10 mm.
Wherein, described post electrode 4 is connected common as high-field electrode with described high-pressure side 1.
Wherein, described post electrode 4 for diameter be the right cylinder of 6 mm.
Wherein, described sheet metal 7 realizes being connected without metal conduction with high-pressure side 1 and low pressure end 2 for making Air-gap electrode (5), its for thickness be 5 mm, diameter is the right cylinder epoxy resin board of 70 mm.
Wherein, described sheet metal 7 is made up of high-pressure side sheet metal 71 and low pressure end sheet metal 72 two parts, and its diameter is 50mm, and described high-pressure side sheet metal 71 is connected with high-pressure side 1 and obtains trial voltage; Described low pressure end sheet metal 72 is connected as low-field electrode with low pressure end 2, coordinates the protection providing whole system with low pressure end 2 simultaneously.
It is as follows for the bubble-discharge model group process of assembling studying power equipment Characteristics of Partial Discharge that the utility model provides:
The post electrode 4 being 6 mm by high-pressure side 1 and diameter is connected;
Post electrode 4 and diameter are that the sheet metal 7 of 50mm is connected, thickness be 5 mm, diameter is that the epoxy resin board placing thickness 1 mm intermediate throughholes diameter 10 mm in the middle of two cylindrical insulcretes 61 of 70 mm and insulcrete 62 forms Air-gap electrode 5, with the epoxy resin glue bond that one deck is very thin between insulcrete 61 and insulcrete 62, and insulcrete 61 and insulcrete 62 are placed between two sheet metals 71 and sheet metal 72, by high-pressure side cover plate and low pressure end cover plate, plexiglass box is sealed, and to its inner injection SF6 gas.Apply high pressure by high-pressure side 1, carry out ground connection by low pressure end 2, after access high pressure, make Air-gap electrode excite electric discharge, simulation bubble-discharge.
Implement the utility model, there is following beneficial effect:
A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge that the utility model provides, its built-in electrical insulation medium can be changed, can meet at different insulating mediums as replaced between SF6 or air, the individual features of bubble-discharge in different insulating mediums can be studied, in addition, its Air-gap electrode can be changed, can meet and replace between the Air-gap electrode of different size, the individual features of the bubble-discharge that the Air-gap electrode can studying different size produces.
It should be noted that; a kind of product form of what the utility model described is bubble-discharge model for studying power equipment Characteristics of Partial Discharge; other meets the product of structure described in the utility model; even if order etc. put by material, device name, outward appearance, device, not affect the factor of product performance not identical, still belongs to the scope of the utility model protection.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1., for studying a bubble-discharge model for power equipment Characteristics of Partial Discharge, it is characterized in that, comprise:
Form the plexiglass box (3) of a sealed air chamber;
Be placed in described plexiglass box (3) top, be connected with the high-pressure section of power supply, obtain the high-pressure side (1) of trial voltage;
Be placed in described plexiglass box (3) bottom, be reliably connected with earth mat the low pressure end (2) that zero potential is provided;
Be filled with insulating medium in the sealed air chamber that described plexiglass box (3) is formed, and be vertically provided with post electrode (4), be horizontally arranged with Air-gap electrode (5); This Air-gap electrode (5) is clipped between upper insulation plate (61) and lower insulation plate (62), and described upper insulation plate (61) top and lower insulation plate (62) below are respectively provided with sheet metal (7).
2. as claimed in claim 1 for studying the bubble-discharge model of power equipment Characteristics of Partial Discharge, it is characterized in that, the dimension adjustable of described Air-gap electrode (5), it adopts thickness to be 1 mm intermediate throughholes diameter to be the epoxy resin board of 10 mm.
3. as claimed in claim 2 for studying the bubble-discharge model of power equipment Characteristics of Partial Discharge, it is characterized in that, described insulating medium is SF6 or air.
4. as claimed in claim 3 for studying the bubble-discharge model of power equipment Characteristics of Partial Discharge, it is characterized in that, described post electrode (4) is connected common as high-field electrode with described high-pressure side (1).
5. as claimed in claim 4 for studying the bubble-discharge model of power equipment Characteristics of Partial Discharge, it is characterized in that, described post electrode (4) for diameter be the right cylinder of 6 mm.
6. as claimed in claim 5 for studying the bubble-discharge model of power equipment Characteristics of Partial Discharge, it is characterized in that, described sheet metal (7) realizes being connected without metal conduction with high-pressure side (1) and low pressure end (2) for making Air-gap electrode (5), its for thickness be 5 mm, diameter is the right cylinder epoxy resin board of 70 mm.
7. as claimed in claim 6 for studying the bubble-discharge model of power equipment Characteristics of Partial Discharge, it is characterized in that, described sheet metal (7) is made up of high-pressure side sheet metal (71) and low pressure end sheet metal (72) two parts, its diameter is 50mm, and described high-pressure side sheet metal (71) is connected with high-pressure side (1) and obtains trial voltage; Described low pressure end sheet metal (72) is connected as low-field electrode with low pressure end (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214061.3U CN204028282U (en) | 2014-04-29 | 2014-04-29 | A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420214061.3U CN204028282U (en) | 2014-04-29 | 2014-04-29 | A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge |
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| CN204028282U true CN204028282U (en) | 2014-12-17 |
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| CN201420214061.3U Expired - Lifetime CN204028282U (en) | 2014-04-29 | 2014-04-29 | A kind of bubble-discharge model for studying power equipment Characteristics of Partial Discharge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249111A (en) * | 2016-07-15 | 2016-12-21 | 中国矿业大学 | A kind of single air-gap insulation medium shelf depreciation emulation modelling method |
| CN110600997A (en) * | 2019-09-19 | 2019-12-20 | 哈尔滨理工大学 | Experimental electrode structure for accurately adjusting interelectrode barrier and operation method thereof |
| 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 |
-
2014
- 2014-04-29 CN CN201420214061.3U patent/CN204028282U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249111A (en) * | 2016-07-15 | 2016-12-21 | 中国矿业大学 | A kind of single air-gap insulation medium shelf depreciation emulation modelling method |
| CN106249111B (en) * | 2016-07-15 | 2018-12-11 | 中国矿业大学 | A kind of list air-gap insulation medium shelf depreciation emulation modelling method |
| CN110600997A (en) * | 2019-09-19 | 2019-12-20 | 哈尔滨理工大学 | Experimental electrode structure for accurately adjusting interelectrode barrier and operation method thereof |
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |