CN205450042U - Experimental switching operation platform of power transformer - Google Patents

Experimental switching operation platform of power transformer Download PDF

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Publication number
CN205450042U
CN205450042U CN201620243137.4U CN201620243137U CN205450042U CN 205450042 U CN205450042 U CN 205450042U CN 201620243137 U CN201620243137 U CN 201620243137U CN 205450042 U CN205450042 U CN 205450042U
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CN
China
Prior art keywords
test
connection terminal
binding post
transformer
winding connection
Prior art date
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Active
Application number
CN201620243137.4U
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Chinese (zh)
Inventor
唐亮星
余云光
郭涛
余炜
朱启龙
张志磊
沈映
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Original Assignee
Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
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Publication date
Application filed by Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd filed Critical Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority to CN201620243137.4U priority Critical patent/CN205450042U/en
Application granted granted Critical
Publication of CN205450042U publication Critical patent/CN205450042U/en
Active legal-status Critical Current
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Abstract

The utility model discloses an experimental switching operation platform of power transformer, the power distribution box comprises a box body, be provided with the high winding binding post of test side, test side winding binding post and the low winding binding post of test side that are arranged in connecting test instrument on the above -mentioned insulation board of box, winding binding post and the low winding binding post of test side respectively connect a short circuit switch in the high winding binding post of test side, the test side, the short circuit switch is connected with earthing knife -switch, be provided with be arranged in connecting the transformer correspond in the high winding binding post of transformer side that is connected, the transformer side winding binding post and transformer with the high winding binding post of test side, test side winding binding post and the low winding binding post of test side and incline and hang down winding binding post on the side insulation board of box, set up ground terminal with shell, the earthing knife -switch of box connect. The utility model has the advantages of being simple in structure and convenient in operation, safe and reliable, it is efficient, consume and lack, can satisfy on -the -spot test and safe requirement.

Description

Power transformer test switch over operation platform
Technical field
This utility model relates to a kind of auxiliary device of power domain power transformer test, is specifically related to a kind of switch over operation platform for auxiliary power transformer test.
Background technology
Along with the development of electrical network scale, the safety of equipment is had higher requirement by electrical network, and the prerun regular inspection work always carried out also is particularly important.Wherein, the performulation of power transformer is the most important and frequent, the enlarging of electrical network the most in recent years causes number transformer to grow with each passing day, electrical test personnel will face unprecedented experiment work amount, how improve work efficiency, shortening test period, ensure that the problems such as equipment Inspection puts in place have become the problem that electrical test staff is extremely concerned about.
The transformer test that tradition is carried out needs the artificial winding leading-out wire by each for transformator side carry out short circuit or guide on ground test instrument, such as: when carrying out D.C. resistance test, need to be received mutually on instrument tested side, non-tested winding carries out unsettled;And when carrying out transformer insulated test, need tested winding short circuit again, rather than tested winding short circuit ground connection.The simplest pilot project is when changing the mode of connection, need testing crew to climb up sleeve pipe and remove original p-wire, the most each winding is carried out short circuit, not only increase workload and the activity duration of testing crew, too increase the security risk existed of repeatedly ascending a height, particularly evident when wherein needing to be repeated test with 110kV and above transformer test or transformator.
Utility model content
Technical problem to be solved in the utility model is, overcome the above defect, a kind of power transformer test switch over operation platform is provided, carry out primary connection and just can complete the fundamental test of transformator, effectively reduce workload and the security risk of testing crew, plant maintenance unit is carried out experiment work significant.
In order to solve techniques described above problem, power transformer test switch over operation platform described in the utility model, including casing, winding connection terminal and test side low winding connection terminal in the test side height winding connection terminal for connecting test instrument, test side it is provided with on the above insulation board of described casing, in described test side height winding connection terminal, test side, winding connection terminal and test side low winding connection terminal respectively connect a short-circuit disconnecting link, and described short circuit disconnecting link is connected with grounding switch;Be provided with on the side insulation plate of described casing for connection transformer with winding connection terminal and transformer side low winding connection terminal in winding connection terminal in test side height winding connection terminal, test side and test the transformer side height winding connection terminal of the side corresponding connection of low winding connection terminal, transformer side;Arrange ground terminal to be connected with shell, the grounding switch of described casing.
This utility model is based on improving test method, improving work efficiency and propose, described power transformer test switch over operation platform includes high, medium and low three groups of binding posts of connecting test instrument side, high, medium and low three groups of binding posts of corresponding connection transformer side, three short circuit in winding disconnecting links and three grounding switchs.When needs are by each for transformator side short circuit, the corresponding short circuit disconnecting link that closes just may be used, it is not necessary to staff climbs up sleeve pipe again and utilizes bare copper wire to carry out short circuit, needs to pull open short circuit disconnecting link when separately measuring.Except this, it is also possible to utilize this device to carry out Insulation test and dielectric loss test, bring great convenience to testing crew.
The beneficial effects of the utility model: owing to employing structure described above, this utility model has simple in construction, the advantage such as easy to operate, safe and reliable, its function can meet on-the-spot test and safety requirements, compare traditional wired mode, work efficiency is improved, the consuming time significantly reduces, and operation device basically reaches expected effect.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Power transformer test switch over operation platform described in the utility model, including casing 1, winding connection terminal 6 and test side low winding connection terminal 7 in the test side height winding connection terminal 5 for connecting test instrument, test side it is provided with on the above insulation board 8 of described casing 1, in described test side height winding connection terminal 5, test side, winding connection terminal 6 and test side low winding connection terminal 7 respectively connect a short-circuit disconnecting link 2, and described short circuit disconnecting link 2 is connected with grounding switch 3;Be provided with on the side insulation plate 9 of described casing 1 for connection transformer with winding connection terminal 11 and transformer side low winding connection terminal 12 in winding connection terminal 6 in test side height winding connection terminal 5, test side and test the transformer side height winding connection terminal 10 of the side corresponding connection of low winding connection terminal 7, transformer side;Arrange ground terminal 4 to be connected with shell, the grounding switch 3 of described casing 1.
Embodiment: power transformer test switch over operation platform described in the utility model, its core texture is the insulation board of casing, short circuit disconnecting link and grounding switch, described insulation board uses the epoxy resin board that dielectric strength in the market is higher, parallel layers reaches more than 35kV to breakdown voltage, perpendicular layers reaches every meter more than 16.1 megavolts to electrical strength, ensure that being surveyed insulation truly reflects transformer insulated, also be enough to bear the added 10kV voltage of dielectric loss test;Described short circuit disconnecting link 2 uses 63A conventional three-phase disconnecting link to process, and its carrying short circuit current possesses enough nargin;Described grounding switch 3 uses special single-pole single throw to process, it is ensured that short circuit grounding reliable.
This utility model and transformer testing instrument with the use of, by test instrunment, such as instrument for measuring DC resistance, Insulation Resistance Tester, dielectric loss measuring instruments etc. receive test side height winding connection terminal 5, in test side on winding connection terminal 6 and test side low winding connection terminal 7, accordingly, transformator three side winding respectively with transformer side height winding connection terminal 10, in transformer side, winding connection terminal 11 winding connection low with transformer side terminal 12 is connected, ground terminal 4 and cabinet shell, three grounding switch edges of a knife connect, whenever closing, a wherein grounding switch is i.e. grounded operation.When carrying out high voltage side of transformer to medium voltage side, low-pressure side and ground Insulation test, 2-in-1 above on high-tension side short circuit disconnecting link, on high-tension side grounding switch 3 are disconnected, the short-circuit disconnecting link of medium voltage side is 2-in-1 above, the grounding switch 3 of medium voltage side closes, the short-circuit disconnecting link of low-pressure side is 2-in-1 above, the grounding switch 3 of low-pressure side closes, ground terminal 4 ground connection, just can carry out Insulation test by Insulation test table test clamp on high-tension side short circuit disconnecting link 2.In addition, this utility model can be additionally used in and carries out Insulation test and dielectric loss test, brings great convenience to testing crew.
Use power transformer test switch over operation platform described in the utility model, testing crew can complete corresponding test connection mode on the ground and change, save testing crew to climb up bushing shell for transformer and change p-wire or the process of short circuit winding back and forth, improve work efficiency, the saving time, reduce workload, reduce the security risk existed of repeatedly ascending a height, have the highest applying value to carrying out power transformer test.

Claims (1)

1. a power transformer test switch over operation platform, including casing (1), it is characterized in that, winding connection terminal (6) and test side low winding connection terminal (7) in test side height winding connection terminal (5) for connecting test instrument, test side it is provided with on the above insulation board (8) of described casing (1), in described test side height winding connection terminal (5), test side, winding connection terminal (6) and test side low winding connection terminal (7) respectively connect a short-circuit disconnecting link (2), and described short circuit disconnecting link (2) is connected with grounding switch (3);Be provided with on the side insulation plate (9) of described casing (1) for connection transformer with winding connection terminal (6) in test side height winding connection terminal (5), test side and test winding connection terminal (11) and transformer side low winding connection terminal (12) in transformer side height winding connection terminal (10) of side low winding connection terminal (7) corresponding connection, transformer side;Arrange ground terminal (4) to be connected with shell, the grounding switch (3) of described casing (1).
CN201620243137.4U 2016-03-28 2016-03-28 Experimental switching operation platform of power transformer Active CN205450042U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620243137.4U CN205450042U (en) 2016-03-28 2016-03-28 Experimental switching operation platform of power transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620243137.4U CN205450042U (en) 2016-03-28 2016-03-28 Experimental switching operation platform of power transformer

Publications (1)

Publication Number Publication Date
CN205450042U true CN205450042U (en) 2016-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620243137.4U Active CN205450042U (en) 2016-03-28 2016-03-28 Experimental switching operation platform of power transformer

Country Status (1)

Country Link
CN (1) CN205450042U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942101A (en) * 2017-11-02 2018-04-20 国网浙江省电力公司嘉兴供电公司 A kind of portable transformer test harness device
CN110854698A (en) * 2019-12-09 2020-02-28 双杰电气合肥有限公司 Switch cabinet with insulation test function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942101A (en) * 2017-11-02 2018-04-20 国网浙江省电力公司嘉兴供电公司 A kind of portable transformer test harness device
CN110854698A (en) * 2019-12-09 2020-02-28 双杰电气合肥有限公司 Switch cabinet with insulation test function

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