CN106324398A - Transformer short-circuit grounding testing device - Google Patents
Transformer short-circuit grounding testing device Download PDFInfo
- Publication number
- CN106324398A CN106324398A CN201610707017.XA CN201610707017A CN106324398A CN 106324398 A CN106324398 A CN 106324398A CN 201610707017 A CN201610707017 A CN 201610707017A CN 106324398 A CN106324398 A CN 106324398A
- Authority
- CN
- China
- Prior art keywords
- clamp body
- stigma
- short
- transformer
- insulating clamp
- 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.)
- Pending
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
Abstract
The invention discloses a transformer short-circuit grounding testing device which relates to the technical field of transformer testing devices. The transformer short-circuit grounding testing device comprises five wire clamps. Each wire clamp comprises an insulated wire clamp body. The jaw of the insulated wire clamp body is internally provided with a conductive metal sheet which is electrically connected with a lead. An insulating sheath packages the lead. The free ends of the five leads are fixedly connected for forming a common end. When a short-circuit grounding testing on a corresponding winding of the transformer is required, one random insulated wire clamp body clamps a corresponding phase terminal of the transformer, and the other insulated wire clamp body clamps the grounding end of the transformer, thereby realizing short-circuit and grounding of the corresponding winding. The transformer short-circuit grounding testing device has advantages of small size, small weight, high convenience in carrying and use, and high speed in realizing reliable short-circuit grounding of the transformer winding.
Description
Technical field
The present invention relates to transformer testing device technique field, particularly relate to one and can carry out the examination of transformator short envelope easily
The device tested.
Background technology
Transformator is the nucleus equipment of transformer station.In electrical test of transformer, a lot of projects need corresponding windings short circuit
Or short circuit ground connection.In the most complete transformator routine test, short-circuit grounding wire to be disassembled more than 10 times, and short circuit or
The effect of ground connection will directly affect result of the test.
Traditional test short-circuit grounding wire uses bare copper wire to make, and uses the method for winding to carry out short circuit and connect in test
Ground.Owing to the volume of transformer of 110kV and above is big, sleeve pipe is high, and demolition, installation short-circuit grounding wire can take substantial amounts of work
Make the time, and short circuit grounding effect is difficult to ensure that.
Summary of the invention
The technical problem to be solved is to provide a kind of short seal apparatus of transformer test, and described device volume is little,
Lightweight, carry easy to use, can quickly realize the reliable short circuit grounding of Transformer Winding.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of short seal apparatus of transformer test, its
Being characterised by: include five wire clamps, described wire clamp includes insulating clamp body, sets in the jaw of each described insulating clamp body
Having conductive metal sheet, conductive metal sheet is electrically connected with a wire, the outside of described wire is enclosed with insulated hull, five wires
Free end be fixed together composition common port, when needing the short testing sealing carrying out transformator corresponding windings, will wherein
Any one insulating clamp body clip on transformator corresponding phase stigma, another insulating clamp body clips to transformator
On earth terminal, by corresponding windings short circuit ground connection.
Further technical scheme is: 4 insulating clamp bodies therein clip to the A phase post of Transformer Winding respectively
Head, B phase stigma, C phase stigma and neutral point stigma, the 5th insulating clamp body clips on the earth terminal of transformator, it is achieved
By A phase stigma, B phase stigma, C phase stigma and the short circuit of neutral point stigma ground connection.
Further technical scheme is: described conductive metal sheet is respectively arranged at the upper side and lower side of described jaw, its
In, the front end of conductive metal sheet is provided with a fixing axle, and described fixing axle is fixed in described jaw, and conductive metal sheet is absolutely
Can turn an angle around described fixing axle under the drive of edge wire clip body, wherein front end be positioned at upside conductive metal sheet to
Under extend across described insulating clamp body extend to insulating clamp body outside constitute free end, one end of described wire
Being fixed on this free end, front end is positioned at the conductive metal sheet of downside and upwardly extends and pass described insulating clamp body and extend to
The outside of insulating clamp body, and by the first connection sheet metal and the rotating company of wire clamp axle on described insulating clamp body
Connect.
Further technical scheme is: one end of described wire is provided with the second connection sheet metal, and second connects sheet metal
Being provided with via, described front end is positioned at the free end of the conductive metal sheet of upside and is connected sheet metal with described second admittedly by bolt
Fixed connection.
Further technical scheme is: described wire is flexible wire.
Use and have the beneficial effects that produced by technique scheme: described device volume is little, lightweight, carries user
Just, can quickly realize the reliable short circuit grounding of Transformer Winding, use described device, complete same short envelope test and have only to 2-
3 minutes, and short circuit grounding is respond well, safe and reliable.Additionally, the insulating clamp body in described device, easy to use, clamping
Effective, good contacting can be realized with wire so that the stability of test is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the embodiment of the present invention;
Fig. 2 is the test structural representation of device described in the embodiment of the present invention;
Fig. 3 is the structural representation of wire clamp described in the embodiment of the present invention;
Wherein: 1, insulating clamp body 2, conductive metal sheet 3, wire 4, phase stigma 5, earth terminal 6, fixing axle 7, first connect gold
Belong to sheet 8, wire clamp axle 9, second connects sheet metal 10, bolt.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention is all right
Using other to be different from alternate manner described here to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As it is shown in figure 1, disclose a kind of short seal apparatus of transformer test in one embodiment of the invention, including five
Wire clamp, described wire clamp includes insulating clamp body 1, is provided with conductive metal sheet 2 in the jaw of each described insulating clamp body 1,
Being electrically connected with a wire 3 on conductive metal sheet 2, described wire 3 is flexible wire, and the outside of described wire 3 is enclosed with insulation
Skin, the free end of five wires 3 is fixed together composition common port.When needing to carry out the short envelope examination of transformator corresponding windings
When testing, as in figure 2 it is shown, any one insulating clamp body 1 therein is clipped on transformator corresponding phase stigma 4, another
Insulating clamp body 1 clips on the earth terminal 5 of transformator, by corresponding windings short circuit ground connection.
Further, 4 insulating clamp bodies 1 therein can be clipped to the A phase stigma of Transformer Winding, B phase post respectively
Head, C phase stigma and neutral point stigma, the 5th insulating clamp body 1 clips on the earth terminal 5 of transformator, it is achieved by A phase post
Head, B phase stigma, C phase stigma and the short circuit of neutral point stigma ground connection.
Described device volume is little, lightweight, carries easy to use, and the reliable short circuit that can quickly realize Transformer Winding connects
Ground, uses described device, completes same short envelope test and has only to 2-3 minute, and short circuit grounding is respond well, safe and reliable.
As it is shown on figure 3, in one embodiment of the invention, described conductive metal sheet 2 is respectively arranged at described jaw
The upper side and lower side, wherein, the front end of conductive metal sheet 2 is provided with a fixing axle 6, and described fixing axle 6 is fixed on described jaw
In, conductive metal sheet 2 can turn an angle around described fixing axle under the drive of insulating clamp body 1.Wherein position, front end
Conductive metal sheet 2 in upside extends downward and through described insulating clamp body 1 and extends to the outside structure of insulating clamp body 1
Becoming free end, one end of described wire 3 is fixed on this free end, and front end is positioned at the conductive metal sheet 2 of downside and upwardly extends also
Extend to the outside of insulating clamp body 1 through described insulating clamp body 1, and by the first connection sheet metal 7 with described absolutely
The rotating connection of wire clamp axle 8 on edge wire clip body 1.
Further, in order to mount and dismount conveniently, one end of described wire 3 is provided with the second connection sheet metal 9, and second even
Connecing sheet metal 9 and be provided with via, described front end is positioned at the free end of the conductive metal sheet 2 of upside by bolt 10 and described second
Connect the fixing connection of sheet metal 9.
Claims (5)
1. the short seal apparatus of transformer test, it is characterised in that: including five wire clamps, described wire clamp includes insulating clamp body
(1), being provided with conductive metal sheet (2) in the jaw of each described insulating clamp body (1), conductive metal sheet is electrically connected with on (2)
Article one, wire (3), the outside of described wire (3) is enclosed with insulated hull, and the free end of five wires (3) is fixed together structure
Become common port, when needing the short testing sealing carrying out transformator corresponding windings, by any one insulating clamp body (1) therein
Clipping on transformator corresponding phase stigma (4), another insulating clamp body (1) clips on the earth terminal (5) of transformator, by phase
Answer short circuit in winding ground connection.
2. the short seal apparatus of transformer test as claimed in claim 1, it is characterised in that: by 4 insulating clamp bodies therein
(1) clipping to the A phase stigma of Transformer Winding, B phase stigma, C phase stigma and neutral point stigma respectively, the 5th insulating clamp is originally
Body (1) clips on the earth terminal (5) of transformator, it is achieved by A phase stigma, B phase stigma, C phase stigma and the short circuit of neutral point stigma
And ground connection.
3. the short seal apparatus of transformer test as claimed in claim 1, it is characterised in that: described conductive metal sheet (2) sets respectively
Being placed in the upper side and lower side of described jaw, wherein, the front end of conductive metal sheet (2) is provided with a fixing axle (6), described fixing
Axle (6) is fixed in described jaw, and conductive metal sheet (2) can be around described fixing axle under the drive of insulating clamp body (1)
Turn an angle, wherein front end be positioned at upside conductive metal sheet (2) extend downward and through described insulating clamp body (1)
The outside extending to insulating clamp body (1) constitutes free end, and one end of described wire (3) is fixed on this free end, front end
Conductive metal sheet (2) on the downside of being positioned at upwardly extends and passes described insulating clamp body (1) and extends to insulating clamp body (1)
Outside, and rotating with the wire clamp axle (8) on described insulating clamp body (1) be connected by the first connection sheet metal (7).
4. the short seal apparatus of transformer test as claimed in claim 3, it is characterised in that: one end of described wire (3) is provided with the
Two connect sheet metal (9), and second connects sheet metal (9) is provided with via, and described front end is positioned at the conductive metal sheet (2) of upside
Free end is connected the fixing connection of sheet metal (9) by bolt (10) with described second.
5. the short seal apparatus of transformer test as claimed in claim 1, it is characterised in that: described wire (3) is flexible wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610707017.XA CN106324398A (en) | 2016-08-23 | 2016-08-23 | Transformer short-circuit grounding testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610707017.XA CN106324398A (en) | 2016-08-23 | 2016-08-23 | Transformer short-circuit grounding testing device |
Publications (1)
Publication Number | Publication Date |
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CN106324398A true CN106324398A (en) | 2017-01-11 |
Family
ID=57742318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610707017.XA Pending CN106324398A (en) | 2016-08-23 | 2016-08-23 | Transformer short-circuit grounding testing device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106841698A (en) * | 2017-01-12 | 2017-06-13 | 国家电网公司 | Short circuit fixture is used in a kind of transformer loss experiment |
CN109406837A (en) * | 2018-11-01 | 2019-03-01 | 国家电网有限公司 | Power transformer high-potting multifunctional access wire clamp |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202421237U (en) * | 2011-12-12 | 2012-09-05 | 偃师市供电有限公司 | Short connection testing line |
CN103280681A (en) * | 2013-03-22 | 2013-09-04 | 国家电网公司 | Universal combined short-circuit device for heavy current tests |
CN103487615A (en) * | 2013-09-23 | 2014-01-01 | 国家电网公司 | Wire clamp special for testing of transformer |
CN203479847U (en) * | 2013-09-30 | 2014-03-12 | 国家电网公司 | Wire clamp for testing DC resistance of transformer or loop resistance of circuit breaker |
CN204858223U (en) * | 2015-07-24 | 2015-12-09 | 国网山东新泰市供电公司 | Novel transformer capacity test three -phase short -circuit connector |
-
2016
- 2016-08-23 CN CN201610707017.XA patent/CN106324398A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202421237U (en) * | 2011-12-12 | 2012-09-05 | 偃师市供电有限公司 | Short connection testing line |
CN103280681A (en) * | 2013-03-22 | 2013-09-04 | 国家电网公司 | Universal combined short-circuit device for heavy current tests |
CN103487615A (en) * | 2013-09-23 | 2014-01-01 | 国家电网公司 | Wire clamp special for testing of transformer |
CN203479847U (en) * | 2013-09-30 | 2014-03-12 | 国家电网公司 | Wire clamp for testing DC resistance of transformer or loop resistance of circuit breaker |
CN204858223U (en) * | 2015-07-24 | 2015-12-09 | 国网山东新泰市供电公司 | Novel transformer capacity test three -phase short -circuit connector |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106841698A (en) * | 2017-01-12 | 2017-06-13 | 国家电网公司 | Short circuit fixture is used in a kind of transformer loss experiment |
CN109406837A (en) * | 2018-11-01 | 2019-03-01 | 国家电网有限公司 | Power transformer high-potting multifunctional access wire clamp |
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Application publication date: 20170111 |