CN103293413B - A kind of transformer test high pressure special purpose device - Google Patents
A kind of transformer test high pressure special purpose device Download PDFInfo
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- CN103293413B CN103293413B CN201310184437.0A CN201310184437A CN103293413B CN 103293413 B CN103293413 B CN 103293413B CN 201310184437 A CN201310184437 A CN 201310184437A CN 103293413 B CN103293413 B CN 103293413B
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 19
- 238000009954 braiding Methods 0.000 claims description 15
- 239000004745 nonwoven fabric Substances 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 13
- 239000005030 aluminium foil Substances 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 239000007943 implant Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 230000009194 climbing Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 238000009666 routine test Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
nullThe invention provides a kind of transformer test high pressure special purpose device，Two binding posts of its jointing clamp (1) are connected to pressure-wire (3) and electric current line (4)，Pressure-wire (3) and electric current line (4) are connected to pressure-wire plug (5) and electric current line plug (6) after stretching into test high-voltage connection sleeve pipe (2)，It is connected to upper shielding line (7) in one end of pressure-wire (3) and electric current line (4)，One end of upper shielding line (7) is connected with pressure-wire (3) and electric current line (4)，The other end of upper shielding line (7) is connected to ramp (10)，The other end at pressure-wire (3) and electric current line (4) is connected to lower shielding line (8) and external shield line (9)，Lower shielding line (8) and external shield line (9) are connected with electric current line (4) and pressure-wire (3)，The other end of lower shielding line (8) and external shield line (9) is connected to lower shielding line plug (11) and external shield line plug (12).
Description
Technical field
The present invention relates to a kind of transformer test high pressure special purpose device.
Background technology
Main transformer plays an important role in power system, therefore that the test of main transformer is particularly important.During current main transformer routine test, it is necessary to complete a series of pilot project, including measuring short-circuit impedance, D.C. resistance, insulation and dielectric loss etc..Owing to these transformer test projects are more, and mode of connection disunity, repeatedly change test connection, it is therefore desirable to testing crew multi-pass operation trolley and climbing transformer body, thus produce a series of problem.First, climbing transformator, operation trolley and change wiring need substantial amounts of time and manpower, have had a strong impact on the progress of process of the test；Secondly, climbing transformator and higher in the own security risk that works with device, repeatedly mobile working position easily causes personal injury；It addition, high-power transformer sleeve position is higher, needing trolley to coordinate during test connection, the operation of frequent trolley there is also the dangerous factors such as work high above the ground, trolley inherently safe and easy collision object.
Summary of the invention
The invention provides a kind of transformer test high pressure special purpose device, it is not only able to the saving time, and improves work efficiency, ensure that the safety of staff and relevant device simultaneously.
nullPresent invention employs techniques below scheme: a kind of transformer test high pressure special purpose device，It includes jointing clamp、Test high-voltage connection sleeve pipe、Pressure-wire and electric current line，Two binding posts of jointing clamp are connected to pressure-wire and electric current line，Pressure-wire and electric current line are connected to pressure-wire plug and electric current line plug after stretching into test high-voltage connection sleeve pipe，It is additionally provided with shielding line in test high-voltage connection sleeve pipe、Lower shielding line and external shield line，It is connected to shielding line in one end of pressure-wire and electric current line，One end of upper shielding line is connected with pressure-wire and electric current line，The other end of upper shielding line is connected to ramp，The other end at pressure-wire and electric current line is connected to lower shielding line and external shield line，Lower shielding line and external shield line are connected with electric current line and pressure-wire，The other end of lower shielding line and external shield line is connected to lower shielding line plug and external shield line plug.
Described upper shielding line is provided with parallel lines, and outside parallel lines, cladding is stamped external shielding layer and the red PVC external sheath layer that non-woven fabrics lapping layer, aluminium foil and the double-deck internal shield of tin plated wire braiding, PE insulating barrier, tin plated wire weave successively from inside to outside.Described lower shielding line is provided with parallel lines, and outside parallel lines, cladding is stamped external shielding layer and the red PVC external sheath layer that non-woven fabrics lapping layer, aluminium foil and the double-deck internal shield of tin plated wire braiding, PE insulating barrier, tin plated wire weave successively from inside to outside.Described lower shielding line is provided with parallel lines, and outside parallel lines, cladding is stamped external shielding layer and the red PVC external sheath layer that non-woven fabrics lapping layer, aluminium foil and the double-deck internal shield of tin plated wire braiding, PE insulating barrier, tin plated wire weave successively from inside to outside.Being filled with implant outside described parallel lines, implant is positioned at non-woven fabrics lapping layer.
The method have the advantages that after have employed above technical scheme, the present invention proposes the high pressure special purpose device for transformer test, so can avoid testing crew multi-pass operation trolley and climbing transformer body, and can support the use with in type power test vehicle.The present invention is applicable to current power transformer routine test, can not only save the time, improve work efficiency, it is often more important that ensure that the safety of staff and relevant device.What the parallel lines of the present invention adopted is the duplex wire of mutual low-voltage insulation, so can complete the pilot project that direct current resistance m easurem ent, short-circuit impedance etc. need voltage x current separately to measure, duplex wire can also be used in parallel, it is possible to complete no-load voltage ratio, load ratio bridging switch waveform transition resistance is measured.It it is non-woven fabrics lapping layer outside inner core of the present invention, non-woven fabrics lapping layer is low-voltage insulation layer, non-woven fabrics insulating barrier be coated with aluminium foil and tin plated wire mixing double-deck internal shield, so can realize realizing isoelectric level with inner core, shielding action is played during suitable in Insulation Test, mainly can complete dielectric loss, insulation measurement, it it is PE insulating barrier outside internal shield, PE insulating barrier is high-voltage insulation layer, it can bear 10kv voltage, when realizing high-potting, dedicated pin mops floor measurement, it it is grounded part outside this insulating barrier, carry out ground connection during high-potting, the safety of protection test personnel and equipment, its outermost layer is red PVC external sheath layer, so it is possible to prevent mechanical failure in lead-in wire use procedure.The present invention will change main transformer test operation situation complicated, unsafe, realize intellectuality, the time can not only be saved, improve work efficiency, the more important thing is the safety that ensure that staff and relevant device, and can use by supporting power test vehicle, greatly improve work efficiency and intelligent test level.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of shielding line in the present invention, lower shielding line and external shield line.
Fig. 3 is the side schematic view of shielding line in the present invention, lower shielding line and external shield line.
Detailed description of the invention
nullAt Fig. 1、In Fig. 2 and Fig. 3，The invention provides a kind of transformer test high pressure special purpose device，It includes jointing clamp 1、Test high-voltage connection sleeve pipe 2、Pressure-wire 3 and electric current line 4，Two binding posts of jointing clamp 1 are connected to pressure-wire 3 and electric current line 4，Pressure-wire 3 and electric current line 4 are connected to pressure-wire plug 5 and electric current line plug 6 after stretching into test high-voltage connection sleeve pipe 2，It is additionally provided with shielding line 7 in test high-voltage connection sleeve pipe 2、Lower shielding line 8 and external shield line 9，It is connected to shielding line 7 in one end of pressure-wire 3 and electric current line 4，One end of upper shielding line 7 is connected with pressure-wire 3 and electric current line 4，The other end of upper shielding line 7 is connected to ramp 10，The other end at pressure-wire 3 and electric current line 4 is connected to lower shielding line 8 and external shield line 9，Lower shielding line 8 and external shield line 9 are connected with electric current line 4 and pressure-wire 3，The other end of lower shielding line 8 and external shield line 9 is connected to lower shielding line plug 11 and external shield line plug 12，Described upper shielding line 7 is provided with parallel lines 13，Outside parallel lines 13, cladding is stamped non-woven fabrics lapping layer 14 successively from inside to outside、The double-deck internal shield 16 of aluminium foil and tin plated wire braiding、PE insulating barrier 17、The external shielding layer 18 of tin plated wire braiding and red PVC external sheath layer 19，Described lower shielding line 8 is provided with parallel lines 13，Outside parallel lines 13, cladding is stamped non-woven fabrics lapping layer 14 successively from inside to outside、The double-deck internal shield 16 of aluminium foil 15 and tin plated wire braiding、PE insulating barrier 17、The external shielding layer 18 of tin plated wire braiding and red PVC external sheath layer 19，Described lower shielding line 9 is provided with parallel lines 13，Outside parallel lines 13, cladding is stamped non-woven fabrics lapping layer 14 successively from inside to outside、The double-deck internal shield 16 of aluminium foil 15 and tin plated wire braiding、PE insulating barrier 17、The external shielding layer 18 of tin plated wire braiding and red PVC external sheath layer 19，Parallel lines 13 are set to the double wired conductor of mutual low-voltage insulation，It is filled with implant 15 in the outside of flat shape line 13，Implant 15 is positioned at non-woven fabrics lapping layer.
Claims (1)
- null1. a transformer test high pressure special purpose device，It is characterized in that it includes jointing clamp (1)、Test high-voltage connection sleeve pipe (2)、Pressure-wire (3) and electric current line (4)，Two binding posts of jointing clamp (1) are connected to pressure-wire (3) and electric current line (4)，Pressure-wire (3) and electric current line (4) are connected to pressure-wire plug (5) and electric current line plug (6) after stretching into test high-voltage connection sleeve pipe (2)，It is additionally provided with upper shielding line (7) in test high-voltage connection sleeve pipe (2)、Lower shielding line (8) and external shield line (9)，It is connected to upper shielding line (7) in one end of pressure-wire (3) and electric current line (4)，One end of upper shielding line (7) is connected with pressure-wire (3) and electric current line (4)，The other end of upper shielding line (7) is connected to ramp (10)，The other end at pressure-wire (3) and electric current line (4) is connected to lower shielding line (8) and external shield line (9)，Lower shielding line (8) and external shield line (9) are connected with electric current line (4) and pressure-wire (3) respectively，The other end of lower shielding line (8) and external shield line (9) is connected to lower shielding line plug (11) and external shield line plug (12)，Described upper shielding line (7) is provided with parallel lines (13)，It is stamped non-woven fabrics lapping layer (14) outside the cladding successively from inside to outside of parallel lines (13)、The double-deck internal shield (16) of aluminium foil and tin plated wire braiding、PE insulating barrier (17)、The external shielding layer (18) of tin plated wire braiding and red PVC external sheath layer (19)，Described lower shielding line (8) is provided with parallel lines (13)，It is stamped non-woven fabrics lapping layer (14) outside the cladding successively from inside to outside of parallel lines (13)、The double-deck internal shield (16) of aluminium foil and tin plated wire braiding、PE insulating barrier (17)、The external shielding layer (18) of tin plated wire braiding and red PVC external sheath layer (19)，Described external shield line (9) is provided with parallel lines (13)，It is stamped non-woven fabrics lapping layer (14) outside the cladding successively from inside to outside of parallel lines (13)、The double-deck internal shield (16) of aluminium foil and tin plated wire braiding、PE insulating barrier (17)、The external shielding layer (18) of tin plated wire braiding and red PVC external sheath layer (19)，Parallel lines (13) are set to the double wired conductor of mutual low-voltage insulation，It is filled with implant (15) in the outside of flat shape line (13)，Implant (15) is positioned at non-woven fabrics lapping layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184437.0A CN103293413B (en) | 2013-05-19 | 2013-05-19 | A kind of transformer test high pressure special purpose device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184437.0A CN103293413B (en) | 2013-05-19 | 2013-05-19 | A kind of transformer test high pressure special purpose device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103293413A CN103293413A (en) | 2013-09-11 |
| CN103293413B true CN103293413B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310184437.0A Expired - Fee Related CN103293413B (en) | 2013-05-19 | 2013-05-19 | A kind of transformer test high pressure special purpose device |
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Families Citing this family (3)
| 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 |
| CN106771394A (en) * | 2016-12-16 | 2017-05-31 | 国家电网公司 | A kind of power transformer test mode of connection |
| CN106842008B (en) * | 2017-01-04 | 2020-07-03 | 保定天威集团特变电气有限公司 | Method for testing on-load switch of transformer |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9406553U1 (en) * | 1994-04-20 | 1994-07-07 | Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 70327 Stuttgart | Device for connecting a voltage display device to a sensor |
| CN101354418B (en) * | 2008-09-22 | 2011-07-13 | 河南省电力公司商丘供电公司 | Power transformer test method without disconnecting wire |
| CN201413879Y (en) * | 2009-04-14 | 2010-02-24 | 山东电力集团公司济南供电公司 | Special leading wire for test of lightning arrester of power transmission cable pole tower |
| CN101915885B (en) * | 2010-06-30 | 2012-07-25 | 上海电气电站设备有限公司 | Method for positioning intra-bundle short circuit of stator gelled coil |
| FR2962262B1 (en) * | 2010-07-02 | 2013-07-12 | Schneider Electric Ind Sas | DEVICE FOR ELECTRICALLY CONNECTING A CONDUCTOR SUCH AS THAT OF AN ELECTRICAL CONVEYANCE BELONGING TO THE INSULATING ENVELOPE OF AN ELECTRICAL DEVICE FROM CUT TO A CONDUCTOR SUCH A CABLE. |
| CN202094322U (en) * | 2011-05-13 | 2011-12-28 | 辽宁省电力有限公司沈阳供电公司 | Multipurpose lead wiring device of large-scale transformer test |
| CN202512203U (en) * | 2012-03-31 | 2012-10-31 | 辽宁省电力有限公司盘锦供电公司 | Cable testing discharge wiring device |
| CN203479920U (en) * | 2013-05-19 | 2014-03-12 | 国家电网公司 | Special high-voltage testing device for transformers |
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2013
- 2013-05-19 CN CN201310184437.0A patent/CN103293413B/en not_active Expired - Fee Related
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| CN103293413A (en) | 2013-09-11 |
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Granted publication date: 20160706 Termination date: 20190519 |
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