CN106771394A - A kind of power transformer test mode of connection - Google Patents
A kind of power transformer test mode of connection Download PDFInfo
- Publication number
- CN106771394A CN106771394A CN201611167830.9A CN201611167830A CN106771394A CN 106771394 A CN106771394 A CN 106771394A CN 201611167830 A CN201611167830 A CN 201611167830A CN 106771394 A CN106771394 A CN 106771394A
- Authority
- CN
- China
- Prior art keywords
- test
- power transformer
- adaptor line
- wire
- test adaptor
- 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.)
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Classifications
-
- 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
- G01R1/0416—Connectors, terminals
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention relates to power transformer test technical field, a kind of power transformer test mode of connection is specifically disclosed, power transformer is 110kV or 220kV transformers, and methods described includes：First electrically connected with power transformer with the incoming end of test adaptor line, corresponding test apparatus p-wire is selected further according to power transformer test project, it is electrically connected with the end that picks out of test adaptor line；When different power transformer test projects change test apparatus p-wire, carry out disconnecting replacing at the end that picks out of test adaptor line；Test adaptor line has certain length so that it picks out end and is located at ground experiment instrument.The inventive method can reduce power transformer test and tear connection times open in transformer side, the difficulty reduction of conversion p-wire is disconnected between making different tests project, it is easy to operate, improve test efficiency, shorten test period, reduce testing crew to ascend a height operations number, reduce personnel labor intensity, effectively reduce personnel's tumble injury, electric shock risk.
Description
Technical field
The present invention relates to power transformer test technical field.
Background technology
Power transformer be important power equipment, it is necessary to carried out in using preceding or predetermined time interval calibration and
Checking.According to《National grid transformer test standard》, 110kV or 220kV transformer fields pilot project include D.C. resistance,
The pilot projects such as dielectric loss, insulaion resistance, no-load voltage ratio, loaded switch, each pilot project is according to test apparatus requirement, it is necessary to using special
P-wire connects transformer according to corresponding measurement circuit attachment structure.Because volume of transformer is big, test connection position
Height, each pilot project is required for the upper and lower transformer of testing crew and is connected with changing corresponding p-wire and conversion measurement circuit
Structure, carries out whole battery of tests project testing, it is necessary to take a few hours to a power transformer, and personnel labor intensity is big,
And operation of repeatedly ascending a height falls that risk is high, experimental test efficiency is low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of power transformer test mode of connection, can reduce electric power change
Depressor experiment tears connection times open in transformer side, and the difficulty reduction of conversion p-wire, operation letter are disconnected between making different tests project
Just, test efficiency is improved, shortens test period, reduced testing crew and ascend a height operations number, reduce personnel labor intensity, effectively drop
Low personnel's tumble injury, electric shock risk.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of power transformer test wiring side
Method, the power transformer is 110kV or 220kV transformers, and methods described includes：First use incoming end and the institute of test adaptor line
State power transformer electrical connection, further according to power transformer test project select corresponding test apparatus p-wire, by its with
The end that picks out of the test adaptor line electrically connects；When different power transformer test projects change test apparatus p-wire,
The end that picks out of the test adaptor line carries out disconnecting replacing；
The test adaptor line has certain length so that it picks out end and is located at ground experiment instrument；The test adaptor line
External insulation skin dielectric strength is more than or equal to 10kV.
A kind of implementation method of the inventive method, the incoming end of the test adaptor line is test clip, and by the survey
Examination is clamped and fastened on the terminals of the power transformer, realizes electrical connection；The end that picks out of the test adaptor line is provided with slotting
Head and/or socket, and fixed with test apparatus test wire terminal by the plug and/or socket, realize electrical connection.
Preferably, the test adaptor line is contained within the heart yearn of at least two mutually insulateds, each heart yearn is picking out end
It is equipped with single plug and/or socket.
The test adaptor line is four, is respectively used to and the on high-tension side A phase, B phase, C phase of power transformer to be tested and N
It is connected；The test adaptor line is contained within two heart yearns of mutually insulated.
The another embodiment of the inventive method, the end that picks out of the test adaptor line is provided with terminal box, the wiring
The binding post of belt switch is set in box, the test adaptor line realizes electricity with test apparatus by the binding post with p-wire
Connection.
Preferably, the length of the test adaptor line is 5-8 meters.
It is using the beneficial effect produced by above-mentioned technical proposal：The inventive method can reduce power transformer test
Connection times are torn open in transformer side, the difficulty reduction of conversion p-wire is disconnected between making different tests project, it is easy to operate, improve examination
Test efficiency, shorten test period, reduce testing crew and ascend a height operations number, reduce personnel labor intensity, effective reduction personnel fall
Wound, electric shock risk.
Specific embodiment
The present invention provides a kind of power transformer test mode of connection, it is adaptable to which 110kV or 220kV power transformers are tried
Test, the method includes：First electrically connected with power transformer with the incoming end of test adaptor line, further according to power transformer test
Mesh selects corresponding test apparatus p-wire, and it is electrically connected with the end that picks out of test adaptor line；Different power transformer examinations
When testing project replacing test apparatus p-wire, carry out disconnecting replacing at the end that picks out of test adaptor line；
Test adaptor line has certain length so that it picks out end and is located at ground experiment instrument.
Test adaptor line selection annealed copper wire cable.The test adaptor line external insulation skin dielectric strength is more than or equal to 10kV.
The inventive method use test adaptor line, testing crew need only a high-altitude wiring, then by test adaptor
Line pick out end disconnected with p-wire from different test apparatuses, it is possible to complete D.C. resistance, dielectric loss, insulaion resistance,
The experiment works such as no-load voltage ratio, loaded switch, reduce height and fall risk, shorten the transformer test time, improve operating efficiency, drop
Low labour intensity.
Used as a kind of specific embodiment of the inventive method, the incoming end of test adaptor line is test clip, and by surveying
Examination is clamped and fastened on the terminals of power transformer, realizes electrical connection；The end that picks out of test adaptor line is provided with plug and/or inserts
Mouthful, and fixed with test apparatus test wire terminal by plug and/or socket, realize electrical connection.
Test adaptor line can select single-core cable, according to pilot project needs, using enough bar number test adaptor lines with
High voltage side of transformer and test apparatus are attached with p-wire.
Further improve, test adaptor line is contained within the heart yearn of at least two mutually insulateds, each heart yearn is picking out end
It is equipped with single plug and/or socket.Test adaptor line is four, is respectively used on high-tension side with power transformer to be tested
A phase, B phase, C phase is connected with N；Test adaptor line is contained within two heart yearns of mutually insulated.
As the another embodiment of the inventive method, it is that test turns with previous specific embodiment difference
The end that picks out of wiring is provided with terminal box, and the binding post of belt switch is set in terminal box, and test adaptor line is by binding post and examination
Test instrument p-wire and realize electrical connection.
Preferably, for 110kV power transformers, the length of test adaptor line is to be not less than 5 meters, for 220kV electric power
Transformer, the length of test adaptor line is to be not less than 8 meters.
The present invention is described in detail above, application specific case is carried out to embodiments of the present invention in the present invention
Illustrate, the explanation of above example is only intended to help and understands the present invention, it is noted that for the technology people of the art
For member, under the premise without departing from the principles of the invention, can also some improvement be carried out to the present invention, these improvement also fall into this hair
In bright scope of the claims.
Claims (6)
1. a kind of power transformer test mode of connection, the power transformer is 110kV or 220kV transformers, and its feature exists
In methods described includes：First electrically connected with the power transformer with the incoming end of test adaptor line, further according to power transformer
Pilot project selects corresponding test apparatus p-wire, and it is electrically connected with the end that picks out of the test adaptor line；Different electricity
When power transformer test project changes test apparatus p-wire, carry out disconnecting replacing at the end that picks out of the test adaptor line；
The test adaptor line has certain length so that it picks out end and is located at ground experiment instrument；
The test adaptor line external insulation skin dielectric strength is more than or equal to 10kV.
2. power transformer test mode of connection according to claim 1, it is characterised in that the test adaptor line connects
It is test clip to enter end, and the terminals of the power transformer are clamped and fastened on by the test clip, realizes electrical connection；It is described
The end that picks out of test adaptor line is provided with plug and/or socket, and by the plug and/or socket and test apparatus p-wire
Joint is fixed, and realizes electrical connection.
3. power transformer test mode of connection according to claim 2, it is characterised in that the test adaptor line is included
There is the heart yearn of at least two mutually insulateds, each heart yearn is equipped with single plug and/or socket picking out end.
4. power transformer test mode of connection according to claim 3, it is characterised in that the test adaptor line is four
Bar, is respectively used to be connected with the on high-tension side A phase, B phase, C phase of power transformer to be tested and N；The test adaptor line is included
There are two heart yearns of mutually insulated.
5. power transformer test mode of connection according to claim 1, it is characterised in that the test adaptor line connects
Go out end and be provided with terminal box, the binding post of belt switch is set in the terminal box, the test adaptor line passes through the binding post
Realize electrically connecting with test apparatus p-wire.
6. power transformer test mode of connection according to claim 1, it is characterised in that the length of the test adaptor line
Spend is 5-8 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167830.9A CN106771394A (en) | 2016-12-16 | 2016-12-16 | A kind of power transformer test mode of connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167830.9A CN106771394A (en) | 2016-12-16 | 2016-12-16 | A kind of power transformer test mode of connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771394A true CN106771394A (en) | 2017-05-31 |
Family
ID=58892181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167830.9A Pending CN106771394A (en) | 2016-12-16 | 2016-12-16 | A kind of power transformer test mode of connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106771394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693432A (en) * | 2018-04-27 | 2018-10-23 | 国家电网公司 | A kind of tester of deformation of transformer winding |
| CN111123046A (en) * | 2019-12-03 | 2020-05-08 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693622U (en) * | 2012-06-07 | 2013-01-23 | 国家电网公司 | Power transformer test connecting device |
| CN103293413A (en) * | 2013-05-19 | 2013-09-11 | 国家电网公司 | Special high-voltage testing device for transformers |
| CN204462203U (en) * | 2015-03-31 | 2015-07-08 | 国家电网公司 | A kind of termination for transformer synthesis test |
-
2016
- 2016-12-16 CN CN201611167830.9A patent/CN106771394A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693622U (en) * | 2012-06-07 | 2013-01-23 | 国家电网公司 | Power transformer test connecting device |
| CN103293413A (en) * | 2013-05-19 | 2013-09-11 | 国家电网公司 | Special high-voltage testing device for transformers |
| CN204462203U (en) * | 2015-03-31 | 2015-07-08 | 国家电网公司 | A kind of termination for transformer synthesis test |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693432A (en) * | 2018-04-27 | 2018-10-23 | 国家电网公司 | A kind of tester of deformation of transformer winding |
| CN111123046A (en) * | 2019-12-03 | 2020-05-08 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
| CN111123046B (en) * | 2019-12-03 | 2022-06-10 | 国网河南省电力公司鹤壁供电公司 | Device for rapidly measuring cable insulation strength |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |