CN103293413A - Special high-voltage testing device for transformers - Google Patents
Special high-voltage testing device for transformers Download PDFInfo
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- CN103293413A CN103293413A CN2013101844370A CN201310184437A CN103293413A CN 103293413 A CN103293413 A CN 103293413A CN 2013101844370 A CN2013101844370 A CN 2013101844370A CN 201310184437 A CN201310184437 A CN 201310184437A CN 103293413 A CN103293413 A CN 103293413A
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Abstract
The invention provides a special high-voltage testing device for transformers. The special high-voltage testing device is characterized in that two wiring terminals of wiring pliers (1) of the special high-voltage testing device are respectively connected with a voltage line (3) and a current line (4), the voltage line (3) and the current line (4) extend into a high-voltage lead testing bushing (2) and then are respectively connected with a voltage line plug (5) and a current line plug (6), an upper shielded line (7) is connected to one end of the voltage line (3) and one end of the current line (4), one end of the upper shielded line (7) is connected with the voltage line (3) and the current line (4), a wiring clip (10) is connected to the other end of the upper shielded line (7), a lower shielded line (8) and an outer shielded line (9) are respectively connected to the other end of the voltage line (3) and the other end of the current line (4), the lower shielded line (8) and the outer shielded line (9) are respectively connected with the voltage line (3) and the current line (4), and a lower shielded line plug (11) and an outer shielded line plug (12) are respectively connected to the other end of the lower shielded line (8) and the other end of the outer shielded line (9).
Description
Technical field
The present invention relates to a kind of transformer test high pressure isolated plant.
Background technology
Main-transformer plays an important role in electric system, and is therefore particularly important to the test of main-transformer.During current main-transformer routine test, need finish a series of pilot project, comprise and measure short-circuit impedance, direct current resistance, insulation and dielectric loss etc.Because these transformer test projects are more, and mode of connection disunity, change test connection repeatedly, therefore need testing crew multi-pass operations trolley and climbing transformer body, so just produce a series of problem.At first, climbing transformer, operation trolley and change wiring need a large amount of time and manpower, have had a strong impact on the progress of process of the test; Secondly, climbing transformer and higher in the device security risk of working on one's body own, repeatedly the mobile working position is caused personal injury easily; In addition, the high-power transformer sleeve position is higher, needs trolley to cooperate during test connection, and also there are dangerous factors such as work high above the ground, trolley inherently safe and easy collision object in frequent trolley operation.
Summary of the invention
The invention provides a kind of transformer test high pressure isolated plant, it not only can save time, and has improved work efficiency, has guaranteed the safety of staff and relevant device simultaneously.
The present invention has adopted following technical scheme: a kind of transformer test high pressure isolated plant, it comprises jointing clamp, test high-voltage connection sleeve pipe, pressure-wire and electric current line, two binding posts of jointing clamp are connected with pressure-wire and electric current line respectively, pressure-wire and electric current line are connected with pressure-wire plug and electric current line plug respectively after stretching into test high-voltage connection sleeve pipe, in test high-voltage connection sleeve pipe, also be provided with shielding line, following shielding line and external shield line, end at pressure-wire and electric current line is connected with shielding line, one end of last shielding line is connected with the electric current line with pressure-wire, the other end of last shielding line is connected with binding clip, the other end at pressure-wire and electric current line is connected with shielding line and external shield line down respectively, following shielding line is connected with pressure-wire with the electric current line with the external shield line, and the other end of following shielding line and external shield line is connected with down shielding line plug and external shield line plug respectively.
The described shielding line of going up is provided with parallel lines, coats external shielding layer and the red PVC external sheath layer of the double-deck internal shield that is stamped nonwoven fabrics lapping layer, aluminium foil and tin plated wire braiding, PE insulation course, tin plated wire braiding from inside to outside successively in the parallel lines outside.Described down shielding line is provided with parallel lines, coats external shielding layer and the red PVC external sheath layer of the double-deck internal shield that is stamped nonwoven fabrics lapping layer, aluminium foil and tin plated wire braiding, PE insulation course, tin plated wire braiding from inside to outside successively in the parallel lines outside.Described down shielding line is provided with parallel lines, coats external shielding layer and the red PVC external sheath layer of the double-deck internal shield that is stamped nonwoven fabrics lapping layer, aluminium foil and tin plated wire braiding, PE insulation course, tin plated wire braiding from inside to outside successively in the parallel lines outside.Described parallel lines outside is filled with filling material, and filling material is positioned at the nonwoven fabrics lapping layer.
The present invention has following beneficial effect: after having adopted above technical scheme, the present invention proposes the high pressure isolated plant for transformer test, can avoid like this testing crew multi-pass operations trolley and the climbing transformer body, and can with the supporting use of in type power test car.The present invention is applicable to present power transformer routine test, not only can save time, increase work efficiency, and the more important thing is the safety that has guaranteed staff and relevant device.What parallel lines of the present invention adopted is the duplex wire of mutual low-voltage insulation, can finish the pilot project that direct current resistance measurement, short-circuit impedance etc. need electric current and voltage separately to measure like this, duplex wire can also in parallelly use, and can finish no-load voltage ratio, the measurement of load ratio bridging switch waveform transition resistance.Inner core of the present invention outside is the nonwoven fabrics lapping layer; the nonwoven fabrics lapping layer is the low-voltage insulation layer; the double-deck internal shield that is coated with aluminium foil and tin plated wire mixing at the nonwoven fabrics insulation course; can realize like this realizing equipotential with inner core; play shielding action when being applicable to Insulation Test; mainly can finish dielectric loss; insulation measurement; the internal shield outside is the PE insulation course; the PE insulation course is high-voltage insulation layer; it can bear 10kv voltage; the dedicated pin measurement that mops floor when realizing high-potting; this insulation course outside is grounded part, ground connection when carrying out high-potting, the safety of protection test personnel and equipment; its outermost layer is red PVC external sheath layer, physical damage in the use that can prevent from like this going between.The present invention will change main-transformer test operation complexity, unsafe situation, realize intelligent, not only can save time, increase work efficiency, the more important thing is the safety that has guaranteed staff and relevant device, and can use by supporting power test car, improved work efficiency and intelligent test level greatly.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of shielding line, following shielding line and external shield line in the present invention.
Fig. 3 is the side schematic view of shielding line, following shielding line and external shield line in the present invention.
Embodiment
At Fig. 1, among Fig. 2 and Fig. 3, the invention provides a kind of transformer test high pressure isolated plant, it comprises 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 with pressure-wire 3 and electric current line 4 respectively, pressure-wire 3 and electric current line 4 are connected with pressure-wire plug 5 and electric current line plug 6 respectively after stretching into test high-voltage connection sleeve pipe 2, in test high-voltage connection sleeve pipe 2, also be provided with shielding line 7, following shielding line 8 and external shield line 9, end at pressure-wire 3 and electric current line 4 is connected with shielding line 7, one end of last shielding line 7 is connected with electric current line 4 with pressure-wire 3, the other end of last shielding line 7 is connected with binding clip 10, the other end at pressure-wire 3 and electric current line 4 is connected with shielding line 8 and external shield line 9 down respectively, following shielding line 8 is connected with pressure-wire 3 with electric current line 4 with external shield line 9, the other end of following shielding line 8 and external shield line 9 is connected with down shielding line plug 11 and external shield line plug 12 respectively, the described shielding line 7 of going up is provided with parallel lines 13, coat successively from inside to outside in parallel lines 13 outsides and to be stamped nonwoven fabrics lapping layer 14, the double-deck internal shield 16 of aluminium foil and tin plated wire braiding, PE insulation course 17, external shielding layer 18 and the red PVC external sheath layer 19 of tin plated wire braiding, described shielding line 8 down is provided with parallel lines 13, coat successively from inside to outside in parallel lines 13 outsides and to be stamped nonwoven fabrics lapping layer 14, the double-deck internal shield 16 of aluminium foil 15 and tin plated wire braiding, PE insulation course 17, external shielding layer 18 and the red PVC external sheath layer 19 of tin plated wire braiding, described shielding line 9 down is provided with parallel lines 13, coat successively from inside to outside in parallel lines 13 outsides and to be stamped nonwoven fabrics lapping layer 14, the double-deck internal shield 16 of aluminium foil 15 and tin plated wire braiding, PE insulation course 17, external shielding layer 18 and the red PVC external sheath layer 19 of tin plated wire braiding, parallel lines 13 are set to the double wired conductor of mutual low-voltage insulation, be filled with filling material 15 in the outside of flat shape line 13, filling material 15 is positioned at the nonwoven fabrics lapping layer.
Claims (5)
1. transformer test high pressure isolated plant, it is characterized in that it comprises 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 with pressure-wire (3) and electric current line (4) respectively, pressure-wire (3) and electric current line (4) are connected with pressure-wire plug (5) and electric current line plug (6) respectively after stretching into test high-voltage connection sleeve pipe (2), in test high-voltage connection sleeve pipe (2), also be provided with shielding line (7), following shielding line (8) and external shield line (9), end at pressure-wire (3) and electric current line (4) is connected with shielding line (7), one end of last shielding line (7) is connected with electric current line (4) with pressure-wire (3), the other end of last shielding line (7) is connected with binding clip (10), the other end at pressure-wire (3) and electric current line (4) is connected with shielding line (8) and external shield line (9) down respectively, following shielding line (8) is connected with pressure-wire (3) with electric current line (4) with external shield line (9), and the other end of following shielding line (8) and external shield line (9) is connected with down shielding line plug (11) and external shield line plug (12) respectively.
2. transformer test high pressure isolated plant according to claim 1, it is characterized in that the described shielding line (7) of going up is provided with parallel lines (13), coat external shielding layer (18) and the red PVC external sheath layer (19) of the double-deck internal shield (16) that is stamped nonwoven fabrics lapping layer (14), aluminium foil and tin plated wire braiding, PE insulation course (17), tin plated wire braiding in parallel lines (13) outside from inside to outside successively.
3. transformer test high pressure isolated plant according to claim 1, it is characterized in that described down shielding line (8) is provided with parallel lines (13), coat external shielding layer (18) and red PVC external sheath layer (19) that the double-deck internal shield (16), PE insulation course (17), the tin plated wire that are stamped nonwoven fabrics lapping layer (14), aluminium foil (15) and tin plated wire braiding weaves in parallel lines (13) outside from inside to outside successively.
4. transformer test high pressure isolated plant according to claim 1, it is characterized in that described down shielding line (9) is provided with parallel lines (13), coat external shielding layer (18) and red PVC external sheath layer (19) that the double-deck internal shield (16), PE insulation course (17), the tin plated wire that are stamped nonwoven fabrics lapping layer (14), aluminium foil (15) and tin plated wire braiding weaves in parallel lines (13) outside from inside to outside successively.
5. according to claim 2,3 or 4 described transformer test high pressure isolated plants, it is characterized in that parallel lines (13) are set to the double wired conductor of mutual low-voltage insulation, be filled with filling material (15) in the outside of flat shape line (13), filling material (15) is positioned at the nonwoven fabrics lapping layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310184437.0A CN103293413B (en) | 2013-05-19 | 2013-05-19 | A kind of transformer test high pressure special purpose device |
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CN201310184437.0A CN103293413B (en) | 2013-05-19 | 2013-05-19 | A kind of transformer test high pressure special purpose device |
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CN103293413A true CN103293413A (en) | 2013-09-11 |
CN103293413B CN103293413B (en) | 2016-07-06 |
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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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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106771394A (en) * | 2016-12-16 | 2017-05-31 | 国家电网公司 | A kind of power transformer test mode of connection |
CN106842008A (en) * | 2017-01-04 | 2017-06-13 | 保定天威集团特变电气有限公司 | A kind of method of test transformer loaded switch |
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 |
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JPH09512107A (en) * | 1994-04-20 | 1997-12-02 | カルル プフィステラー エレクトロテヒニシェ スペツィアルアルティケル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニ コマンディトゲゼルシャフト | Connection device that connects the voltage indicator to the sensor |
CN101354418A (en) * | 2008-09-22 | 2009-01-28 | 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 |
CN101915885A (en) * | 2010-06-30 | 2010-12-15 | 上海电气电站设备有限公司 | Method for positioning intra-bundle short circuit of stator gelled coil |
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 |
EP2403086A1 (en) * | 2010-07-02 | 2012-01-04 | Schneider Electric Industries SAS | Device for electrical connection of a conductor such as that of an electric bushing belonging to the insulating housing of an electric breaker device with a conductor such as a cable |
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 |
-
2013
- 2013-05-19 CN CN201310184437.0A patent/CN103293413B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09512107A (en) * | 1994-04-20 | 1997-12-02 | カルル プフィステラー エレクトロテヒニシェ スペツィアルアルティケル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニ コマンディトゲゼルシャフト | Connection device that connects the voltage indicator to the sensor |
CN101354418A (en) * | 2008-09-22 | 2009-01-28 | 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 |
CN101915885A (en) * | 2010-06-30 | 2010-12-15 | 上海电气电站设备有限公司 | Method for positioning intra-bundle short circuit of stator gelled coil |
EP2403086A1 (en) * | 2010-07-02 | 2012-01-04 | Schneider Electric Industries SAS | Device for electrical connection of a conductor such as that of an electric bushing belonging to the insulating housing of an electric breaker device with a conductor such as 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 |
Cited By (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 |
CN106842008A (en) * | 2017-01-04 | 2017-06-13 | 保定天威集团特变电气有限公司 | A kind of method of test transformer loaded switch |
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CN103293413B (en) | 2016-07-06 |
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