CN203688726U - Model used for simulating surface discharging defect inside GIS equipment - Google Patents
Model used for simulating surface discharging defect inside GIS equipment Download PDFInfo
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- CN203688726U CN203688726U CN201320870388.1U CN201320870388U CN203688726U CN 203688726 U CN203688726 U CN 203688726U CN 201320870388 U CN201320870388 U CN 201320870388U CN 203688726 U CN203688726 U CN 203688726U
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- extension rod
- field electrode
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- creeping discharge
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- 230000007547 defect Effects 0.000 title claims abstract description 36
- 238000007599 discharging Methods 0.000 title abstract 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012212 insulator Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000011109 contamination Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000013528 metallic particle Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Abstract
The utility model provides a model used for simulating surface discharging defects inside GIS equipment. The model comprises a gas chamber, a high-voltage electrode pedestal, a high-voltage electrode extension rod, a high-voltage electrode plate insulator, metal contamination, a ground electrode extension rod and a ground electrode flat plate. By implementing the model, stable local discharging signals can be produced, the discharging characteristics and gas composition characteristics represent obvious surface discharging defect features, and the defect recognition degree is high.
Description
Technical field
The utility model relates to power technology field, relates in particular to a kind of model for Simulated GlS device interior creeping discharge defect.
Background technology
Gas insulated combined electrical equipment (GIS) have floor area little, be not subject to the advantages such as atmosphere environment impact, maintenance cycle be long, compared with traditional open type transformer station, its operational reliability has obtained improving significantly, has obtained in recent years developing rapidly in electric system.But along with the growth of working time, GIS inside still inevitably there will be insulation defect and may therefore cause accident.Disc insulator is one of important ingredient of GIS; in operational process, have unavoidably at its adsorption metallic particles; these metallic particles can cause surface charge gathering, finally may cause that the creeping discharge of GIS insulator punctures, and are the one of the main reasons that causes its accident.For the gas resolution characteristic of studying insulator creeping discharge characteristic in SF6 gas and causing thus, be necessary to design a kind of defect model.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of model for Simulated GlS device interior creeping discharge defect, comprising: air chamber, high-field electrode pedestal, high-field electrode extension rod, electrode plate with high voltage insulator, metal filth, ground electrode extension rod, ground electrode flat board;
Described air chamber inwall is coated with barrier coat, and its downside inwall is provided with the threaded hole for changing Different electrodes; The lower end of described high-field electrode pedestal is provided with the threaded hole for connecting described high-field electrode extension rod; Its one end of described high-field electrode extension rod is with the external thread for being connected with described high-field electrode pedestal, in addition one end with axial for connecting the external thread of described electrode plate with high voltage; One end of described electrode plate with high voltage is with the external thread being connected with described high-field electrode extension rod; Described insulator is disc insulator in epoxy resin GIS; Described metal filth is aluminium-foil paper; One end band of described ground electrode extension rod is useful on the external thread being connected with the threaded hole of the downside inwall of described air chamber, in addition one end with the dull and stereotyped threaded hole being connected of described ground electrode; The geomery of described ground electrode flat board and material are identical with described electrode plate with high voltage.
Wherein, the volume of described air chamber is 90L.
Wherein, the opening upwards of the threaded hole that the downside inwall of described air chamber arranges, its external diameter is 8mm, the degree of depth is 10mm.
Wherein, the diameter of described high-field electrode pedestal is 16mm, and length is 40mm.
Wherein, the external diameter of the threaded hole that the lower end of described high-field electrode pedestal arranges is 5mm, and length is 15mm.
Wherein, the diameter of described high-field electrode extension rod is 12mm, and length is 70mm.
Wherein, the externally threaded external diameter that described high-field electrode extension rod is connected with described high-field electrode pedestal (2) is 5mm, and length is 10mm, and the externally threaded external diameter being connected with described electrode plate with high voltage (4) that its other one end arranges is 6mm, and length is 25mm.
Wherein, the diameter of described electrode plate with high voltage is 75mm, and thickness is 15mm, and the externally threaded external diameter being connected with described high-field electrode extension rod that its one end arranges is 6mm, and length is 20mm.
Wherein, the diameter of described ground electrode extension rod is 20mm, length is 70mm, the externally threaded external diameter that the threaded hole with described air chamber downside inwall that its one end arranges is connected is 8mm, length is 10mm, the externally threaded external diameter being connected with described ground electrode flat board of its other end setting is 6mm, and the degree of depth is 25mm.
Wherein, the diameter of described ground electrode flat board is 75mm, and thickness is 15mm, and the externally threaded external diameter being connected with described ground electrode extension rod that its one end arranges is 6mm, and length is 20mm.
Implement the utility model, there is following beneficial effect:
The utility model provides a kind of model for Simulated GlS device interior creeping discharge defect, can simulate insulator that 110kVGIS equipment causes due to the insulator surface metallic particles defect model along face shelf depreciation.Under pressurization service condition, this defect model can produce stable local discharge signal, and its flash-over characteristic and gas component characteristic all show the feature of more obvious creeping discharge defect, and defect identification degree is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 provides a kind of structural representation of the model for Simulated GlS device interior creeping discharge defect for the utility model;
Fig. 2 provides a kind of structural representation of high-field electrode pedestal of the model for Simulated GlS device interior creeping discharge defect for the utility model;
Fig. 3 provides a kind of structural representation of high-field electrode extension rod of the model for Simulated GlS device interior creeping discharge defect for the utility model;
Fig. 4 provides a kind of structural representation of electrode plate with high voltage of the model for Simulated GlS device interior creeping discharge defect for the utility model;
Fig. 5 provides a kind of structural representation of ground electrode extension rod of the model for Simulated GlS device interior creeping discharge defect for the utility model;
Fig. 6 provides a kind of structural representation of ground electrode flat board of the model for Simulated GlS device interior creeping discharge defect for the utility model.
Embodiment
The utility model provides a kind of model for Simulated GlS device interior creeping discharge defect, referring to Fig. 1, it comprises: air chamber 1, high-field electrode pedestal 2, high-field electrode extension rod 3, electrode plate with high voltage 4, insulator 5, metal filth 6, ground electrode extension rod 7, ground electrode flat board 8;
Described air chamber 1 impermeability is good, and inwall is coated with barrier coat, and this barrier coat can prevent the moisture in wall and micro-oxygen infiltration air chamber 1 in pressure process, and the volume of described air chamber 1 is 90L, and its highest pressure that bears is 1MPa, and specified charge pressure is 0.4MPa.
Described air chamber 1 top is also provided with bus bar (invisible in figure), this bus bar is with Open Side Down, the threaded hole of external diameter 10mm, degree of depth 40mm, the relative position of the downside inwall of air chamber 1, with the threaded hole of opening upwards, external diameter 8mm, degree of depth 10mm, can be used for changing the electrode of different size.
The lower end of described high-field electrode pedestal 2 is provided with the threaded hole for connecting described high-field electrode extension rod 3; Described high-field electrode extension rod 3 its one end are with the external thread for being connected with described high-field electrode pedestal 2, in addition one end with axial for connecting the external thread of described electrode plate with high voltage 4; One end of described electrode plate with high voltage 4 is with the threaded hole being connected with described high-field electrode extension rod 3; Described insulator 5 is disc insulator in epoxy resin GIS, and its processing technology is strictly with reference to device interior insulator.Described metal filthy 6 is aluminium-foil paper, and its size and the position of pasting can arrange as required.One end band of described ground electrode extension rod 7 is useful on the external thread being connected with the threaded hole of the downside inwall of described air chamber 1, in addition one end with dull and stereotyped 8 threaded holes that are connected of described ground electrode; The geomery of described ground electrode flat board 8 and material are identical with described electrode plate with high voltage 4.
High-field electrode pedestal 2 uses stainless steel material, and referring to Fig. 2, the diameter of described high-field electrode pedestal 2 is 16mm, and length is 40mm, and its pedestal upper end is with the external thread of external diameter 10mm, length 30mm, so that be connected with bus bar threaded hole; The external diameter of the threaded hole that its lower end arranges is 5mm, and length is 15mm.
High-field electrode extension rod 3 uses stainless steel material, and referring to Fig. 3, the diameter of described high-field electrode extension rod 3 is 12mm, and length is 70mm.Wherein, the externally threaded external diameter that described high-field electrode extension rod 3 is connected with described high-field electrode pedestal 2 is 5mm, and length is 10mm, and the externally threaded external diameter being connected with described electrode plate with high voltage 4 that its other one end arranges is 6mm, and length is 25mm.
Electrode plate with high voltage 4 uses stainless steel material, and referring to Fig. 4, the diameter of described electrode plate with high voltage 4 is 75mm, and thickness is 15mm, and the external diameter of the threaded hole being connected with described high-field electrode extension rod 3 that its one end arranges is 6mm, and length is 20mm.
Ground electrode extension rod 7 uses stainless steel material, referring to Fig. 5, the diameter of described ground electrode extension rod 7 is 20mm, length is 70mm, the externally threaded external diameter that the threaded hole with described air chamber 1 downside inwall that its one end arranges is connected is 8mm, length is 10mm, its other end setting be 6mm with the dull and stereotyped 8 externally threaded external diameters that are connected of described ground electrode, the degree of depth is 25mm.
Ground electrode dull and stereotyped 8 uses stainless steel material, and referring to Fig. 6, the diameter of described ground electrode flat board 8 is 75mm, and thickness is 15mm, and the externally threaded external diameter being connected with described ground electrode extension rod 7 that its one end arranges is 6mm, and length is 20mm.
Implement the utility model, there is following beneficial effect:
The utility model provides a kind of model for Simulated GlS device interior creeping discharge defect, can simulate insulator that 110kVGIS equipment causes due to the insulator surface metallic particles defect model along face shelf depreciation.Under pressurization service condition, this defect model produces can produce stable local discharge signal, and its flash-over characteristic and gas component characteristic all show the feature of more obvious creeping discharge defect, and defect identification degree is high.
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, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the model for Simulated GlS device interior creeping discharge defect, it is characterized in that, comprising: air chamber (1), high-field electrode pedestal (2), high-field electrode extension rod (3), electrode plate with high voltage (4), insulator (5), metal filth (6), ground electrode extension rod (7), ground electrode flat board (8);
Described air chamber (1) inwall is coated with barrier coat, and its downside inwall is provided with the threaded hole for changing Different electrodes; The lower end of described high-field electrode pedestal (2) is provided with the threaded hole for connecting described high-field electrode extension rod (3); Its one end of described high-field electrode extension rod (3) is with the external thread for being connected with described high-field electrode pedestal (2), in addition one end with axial for connecting the external thread of described electrode plate with high voltage (4); One end of described electrode plate with high voltage (4) is with the threaded hole being connected with described high-field electrode extension rod (3); Described insulator (5) is disc insulator in epoxy resin GIS; Described metal filth (6) is aluminium-foil paper; One end band of described ground electrode extension rod (7) is useful on the external thread being connected with the threaded hole of the downside inwall of described air chamber (1), and one end is with the threaded hole being connected with described ground electrode flat board (8) in addition; The geomery of described ground electrode flat board (8) and material are identical with described electrode plate with high voltage (4).
2. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 1, is characterized in that, the volume of described air chamber (1) is 90L.
3. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 2, is characterized in that, the opening upwards of the threaded hole that the downside inwall of described air chamber (1) arranges, and its external diameter is 8mm, the degree of depth is 10mm.
4. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 3, is characterized in that, the diameter of described high-field electrode pedestal (2) is 16mm, and length is 40mm.
5. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 4, is characterized in that, the external diameter of the threaded hole that the lower end of described high-field electrode pedestal (2) arranges is 5mm, and length is 15mm.
6. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 5, is characterized in that, the diameter of described high-field electrode extension rod (3) is 12mm, and length is 70mm.
7. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 6, it is characterized in that, the externally threaded external diameter that described high-field electrode extension rod (3) is connected with described high-field electrode pedestal (2) is 5mm, length is 10mm, the externally threaded external diameter being connected with described electrode plate with high voltage (4) that its other one end arranges is 6mm, and length is 25mm.
8. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 7, it is characterized in that, the diameter of described electrode plate with high voltage (4) is 75mm, thickness is 15mm, the externally threaded external diameter being connected with described high-field electrode extension rod (3) that its one end arranges is 6mm, and length is 20mm.
9. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 8, it is characterized in that, the diameter of described ground electrode extension rod (7) is 20mm, length is 70mm, the externally threaded external diameter that the threaded hole with described air chamber (1) downside inwall that its one end arranges is connected is 8mm, length is 10mm, and the externally threaded external diameter being connected with described ground electrode flat board (8) that its other end arranges is 6mm, and the degree of depth is 25mm.
10. the model for Simulated GlS device interior creeping discharge defect as claimed in claim 9, it is characterized in that, the diameter of described ground electrode flat board (8) is 75mm, thickness is 15mm, the externally threaded external diameter being connected with described ground electrode extension rod (7) that its one end arranges is 6mm, and length is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870388.1U CN203688726U (en) | 2013-12-27 | 2013-12-27 | Model used for simulating surface discharging defect inside GIS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870388.1U CN203688726U (en) | 2013-12-27 | 2013-12-27 | Model used for simulating surface discharging defect inside GIS equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688726U true CN203688726U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870388.1U Expired - Lifetime CN203688726U (en) | 2013-12-27 | 2013-12-27 | Model used for simulating surface discharging defect inside GIS equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990336A (en) * | 2017-03-23 | 2017-07-28 | 国家电网公司 | One kind is used to simulate entity GIS disc insulator creeping discharge models |
-
2013
- 2013-12-27 CN CN201320870388.1U patent/CN203688726U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990336A (en) * | 2017-03-23 | 2017-07-28 | 国家电网公司 | One kind is used to simulate entity GIS disc insulator creeping discharge models |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |