CN204575693U - A kind of transformer insulated test multifunctional switching device - Google Patents
A kind of transformer insulated test multifunctional switching device Download PDFInfo
- Publication number
- CN204575693U CN204575693U CN201520257857.1U CN201520257857U CN204575693U CN 204575693 U CN204575693 U CN 204575693U CN 201520257857 U CN201520257857 U CN 201520257857U CN 204575693 U CN204575693 U CN 204575693U
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- Prior art keywords
- wiring
- bushing
- button
- switching device
- bottom shielding
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 238000004382 potting Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a kind of transformer insulated test multifunctional switching device, comprise that button is inserted in high-pressure side bottom shielding of bushing wiring, button is inserted in the wiring of medium voltage side bottom shielding of bushing, height, the end shield wiring of middle side, high insulation and the high-potting line of tool function of shielding, telescopic insulating bar and ground connection plug in button; The bottom shielding of bushing wiring of described high-pressure side is plugged in button and the wiring of medium voltage side bottom shielding of bushing and is plugged in button and be separately positioned on front-end and back-end on switching device; The wiring of described medium voltage side bottom shielding of bushing is plugged in button and high, middle side end shield wiring and is plugged in button respectively by the wiring of medium voltage side bottom shielding of bushing and is connected with switching device built-in circuit with height, medium voltage side bottom shielding of bushing connection jaws; This transformer insulated test multifunctional switching device, Transformer Bushing Tap and pressurization winding cause test transfer box, all insulation projects can be realized and only need an ascend operation, reduce test connection personal height fall risk and labour intensity, improve test efficiency, thus warranty test work safety, efficiently to complete.
Description
Technical field
The utility model relates to a kind of switching device, is specially a kind of transformer insulated test multifunctional switching device.
Background technology
Along with the develop rapidly of power industry, system voltage grade progressively improves, and the dielectric strength of electrical equipment, the impact of superpotential limit levels on security of system economical operation become increasingly conspicuous.The insulation of transformer is well that transformer normally runs the most basic requirement.Transformer insulated test, contributes to finding that transformer makes moist and dirty, insulating oil serious deterioration insulation breakdown and the serious insulation defect such as heat ageing, distributivity defect.110kV and the transformer insulated pilot project of above mainly comprise: the insulation resistance of winding and sleeve, absorptance or polarization index; The dielectric loss angle tangent tan δ of winding and sleeve; The DC leakage-current of winding and sleeve; The insulation resistance of bushing and dielectric loss angle tangent tan δ; The AC voltage withstand test of winding and sleeve.Transformer insulated test pilot project is many, trial voltage is high (minimum voltage is 2500V).Accident of human electric shock is there is in process of the test in testing crew in order to prevent; each replacing wiring is all got off from transformer; the insulation project test thread-changing personnel finishing 220kV three-winding transformer need upper and lower transformer 33 times; test connection personnel labor capacity is very large; and in upper and lower transformer process, lose the protection of securing band, easily fall from high altitude accident.
Utility model content
The purpose of this utility model is to provide a kind of transformer insulated test multifunctional switching device, when being mainly used in 110kV and the transformer insulated test of above, strengthen test security, raising test efficiency, guarantee transformer test high-quality, efficiently complete.
For achieving the above object, the utility model provides following technical scheme: a kind of transformer insulated test multifunctional switching device, comprise that button is inserted in high-pressure side bottom shielding of bushing wiring, button is inserted in the wiring of medium voltage side bottom shielding of bushing, height, the end shield wiring of middle side, high insulation and the high-potting line of tool function of shielding, telescopic insulating bar and ground connection plug in button; The bottom shielding of bushing wiring of described high-pressure side is plugged in button and the wiring of medium voltage side bottom shielding of bushing and is plugged in button and be separately positioned on front-end and back-end on switching device; The wiring of described medium voltage side bottom shielding of bushing is plugged in button and high, middle side end shield wiring and is plugged in button respectively by the wiring of medium voltage side bottom shielding of bushing and is connected with switching device built-in circuit with height, medium voltage side bottom shielding of bushing connection jaws; Described height insulate and the high-potting line of tool function of shielding connects switching device built-in circuit by high-potting line connection jaws; Described telescopic insulating bar connects telescopic insulating bar base.
Further, the high side end shield wiring in described height, the end shield wiring of middle side comprises that four conductor cross-sections are 4 square millimeters, color is red, yellow, and green, the test wire of black-tape electro-insulating rubber, insulating rubber jacket and aviation plug female part.
Further, described telescopic insulating bar saves under comprising on insulating telescopic bar joint and insulating telescopic bar, and under insulating telescopic bar, saves bottom be provided with metal threaded.
Compared with prior art, the beneficial effects of the utility model are: this transformer insulated test multifunctional switching device, Transformer Bushing Tap and pressurization winding cause test transfer box, all insulation projects can be realized and only need an ascend operation, reduce test connection personal height fall risk and labour intensity, improve test efficiency, thus warranty test work safety, efficiently to complete.
Accompanying drawing explanation
Fig. 1 is schematic front view of the present utility model;
Fig. 2 is transfer box vertical view of the present utility model;
Fig. 3 is end shield of high-voltage bushing lead wire schematic diagram of the present utility model;
Fig. 4 is telescopic insulating bar structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 4, the utility model provides a kind of technical scheme: a kind of transformer insulated test multifunctional switching device, comprise that button 1 is inserted in high-pressure side bottom shielding of bushing wiring, button 2 is inserted in the wiring of medium voltage side bottom shielding of bushing, height, middle side end shield wiring 3, high insulation and the high-potting line 4 of tool function of shielding, telescopic insulating bar 5 and ground connection plug in button 6; The bottom shielding of bushing wiring of described high-pressure side is plugged in button 1 and the wiring of medium voltage side bottom shielding of bushing and is plugged in button 2 and be separately positioned on front-end and back-end on switching device; The wiring of described medium voltage side bottom shielding of bushing is plugged in button 2 and is plugged in button respectively by the wiring of medium voltage side bottom shielding of bushing be connected with switching device built-in circuit with height, medium voltage side bottom shielding of bushing connection jaws 31 with high, middle side end shield wiring and 3; Described height insulate and the high-potting line 4 of tool function of shielding connects switching device built-in circuit by high-potting line connection jaws 41; Described telescopic insulating bar 5 connects telescopic insulating bar base 51.
Further, the high side end shield wiring in described height, the end shield wiring of middle side comprises that 4 conductor cross-sections are 4 square millimeters, color is red, yellow, and green, the test wire a of black-tape electro-insulating rubber, insulating rubber jacket b and aviation plug female part c.
Further, described telescopic insulating bar 5 comprises and insulating telescopic bar saves joint 53 under 52 and insulating telescopic bar, and under insulating telescopic bar, saves 53 bottoms be provided with metal threaded 531.
The utility model is in use: during use, is connected well with ground wire by transformer grounding body with test transfer box ground connection button; The end shield of bushing shell for transformer is connected to chamber by high, medium-tension bushing end shield lead wire, and high, mesolow side bottom shielding of bushing wiring is plugged in button and is connected with ground connection button by test wire, and when guaranteeing that bottom shielding of bushing is not tested, ground connection is good; After each winding short circuit of transformer, cause test transfer box by insulation shielding high-potting line, the high-potting line of pressurization winding is fixed on telescopic insulating bar, and non-pressurised winding high voltage test wire is by test transfer box ground connection.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (3)
1. a transformer insulated test multifunctional switching device, comprise that button is inserted in high-pressure side bottom shielding of bushing wiring, button is inserted in the wiring of medium voltage side bottom shielding of bushing, height, the end shield wiring of middle side, high insulation and the high-potting line of tool function of shielding, telescopic insulating bar and ground connection plug in button; It is characterized in that: the bottom shielding of bushing wiring of described high-pressure side is plugged in button and the wiring of medium voltage side bottom shielding of bushing and plugged in button and be separately positioned on front-end and back-end on switching device; The wiring of described medium voltage side bottom shielding of bushing is plugged in button and high, middle side end shield wiring and is plugged in button respectively by the wiring of medium voltage side bottom shielding of bushing and is connected with switching device built-in circuit with height, medium voltage side bottom shielding of bushing connection jaws; Described height insulate and the high-potting line of tool function of shielding connects switching device built-in circuit by high-potting line connection jaws; Described telescopic insulating bar connects telescopic insulating bar base.
2. the transformer insulated test multifunctional switching device of one according to claim 1, it is characterized in that: the high side end shield wiring in described height, the end shield wiring of middle side comprises the test wire that four conductor cross-sections are 4 square millimeters of tape insulation rubber, insulating rubber jacket and aviation plug female part.
3. the transformer insulated test multifunctional switching device of one according to claim 1, is characterized in that: described telescopic insulating bar saves under comprising on insulating telescopic bar joint and insulating telescopic bar, and under insulating telescopic bar, saves bottom be provided with metal threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257857.1U CN204575693U (en) | 2015-04-20 | 2015-04-20 | A kind of transformer insulated test multifunctional switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520257857.1U CN204575693U (en) | 2015-04-20 | 2015-04-20 | A kind of transformer insulated test multifunctional switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575693U true CN204575693U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520257857.1U Expired - Fee Related CN204575693U (en) | 2015-04-20 | 2015-04-20 | A kind of transformer insulated test multifunctional switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204575693U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771406A (en) * | 2017-01-20 | 2017-05-31 | 国网山东省电力公司滨州供电公司 | A kind of main transformer tests line concentrator |
| CN106932613A (en) * | 2017-03-10 | 2017-07-07 | 国网青海省电力公司西宁供电公司 | A kind of 35kV and 110kV transformers routine test wiring cross box |
| CN107576850A (en) * | 2017-09-07 | 2018-01-12 | 国家电网公司江苏省电力公司扬州供电公司 | Transformer Bushing Tap Insulation test distributed control device |
| CN107871939A (en) * | 2016-09-24 | 2018-04-03 | 国网辽宁省电力有限公司丹东供电公司 | Downlead device for transformer fast-wiring |
-
2015
- 2015-04-20 CN CN201520257857.1U patent/CN204575693U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871939A (en) * | 2016-09-24 | 2018-04-03 | 国网辽宁省电力有限公司丹东供电公司 | Downlead device for transformer fast-wiring |
| CN106771406A (en) * | 2017-01-20 | 2017-05-31 | 国网山东省电力公司滨州供电公司 | A kind of main transformer tests line concentrator |
| CN106932613A (en) * | 2017-03-10 | 2017-07-07 | 国网青海省电力公司西宁供电公司 | A kind of 35kV and 110kV transformers routine test wiring cross box |
| CN107576850A (en) * | 2017-09-07 | 2018-01-12 | 国家电网公司江苏省电力公司扬州供电公司 | Transformer Bushing Tap Insulation test distributed control device |
| CN107576850B (en) * | 2017-09-07 | 2024-02-09 | 国网江苏省电力有限公司扬州供电分公司 | Insulation test sub-control device for transformer bushing end screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |