CN108919042A - A kind of winding deformation of power transformer test device convenient for test - Google Patents
A kind of winding deformation of power transformer test device convenient for test Download PDFInfo
- Publication number
- CN108919042A CN108919042A CN201811090105.5A CN201811090105A CN108919042A CN 108919042 A CN108919042 A CN 108919042A CN 201811090105 A CN201811090105 A CN 201811090105A CN 108919042 A CN108919042 A CN 108919042A
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- winding
- phase winding
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- head end
- switch
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- 238000004804 winding Methods 0.000 title claims abstract description 265
- 238000012360 testing method Methods 0.000 title claims abstract description 105
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
-
- 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
Abstract
The invention belongs to transformer equipment experimental technique field more particularly to a kind of winding deformation of power transformer test devices convenient for test.The winding tail end of winding tail end connecting pin and transformer is connected, Aa phase winding connecting pin and transformer Aa phase winding head end connect, Bb phase winding connecting pin and transformer Bb phase winding head end connect, Cc phase winding connecting pin and transformer Cc phase winding head end connect, earth mat where the separate switching device ground terminal of winding and tested transformer connects, connecting in winding deformation tester cabinet with the connecting pin of winding deformation tester responder and winding deformation tester signal responder, connect with the connecting pin of winding deformation tester input and winding deformation tester input terminal, connect with the connecting pin of winding deformation tester ground connection and winding deformation tester ground terminal, winding deformation tester signal control port and host connect.It is realized by changing switch conduction and off-state and changes test phase winding mode, reduce testing time and operation risk.
Description
Technical field
The invention belongs to transformer equipment experimental technique field more particularly to a kind of Winding in Power Transformer changes convenient for test
Shape test device.
Background technique
Currently, winding deformation of power transformer test device, which only has, connects the function that primary line tests a phase winding deformation
Energy.When needing to test other phase windings, as soon as every test phase winding, testing crew must climb to the transformer last time and go
Change test connection.Using this Connection Mode, testing crew physical strength is not only expended, more consuming wiring time, it is more important
, for the mode of current winding deformation test " meeting inspection that must do ", Repair of Transformer must just do winding deformation test, not be
The repair time that each testing ground provides can meet the time that this mode of connection is consumed.The present invention is that one kind is convenient for
The winding deformation of power transformer test device of test, the device have simplify test Connection Mode, shorten the integrated testability time,
It saves test investment manpower, improve the advantages of Security of test.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of winding deformation of power transformer surveys convenient for test
Trial assembly is set, and can realize the one kind for changing test phase winding convenient for test by changing switch conduction and off-state on ground
Winding deformation of power transformer test device.When the purpose is to test same voltage class three-phase windings at the scene, people is tested
Member only needs once to climb up transformer connection, so that it may complete three-phase test, to greatly improve work efficiency, simplify test
Connection Mode shortens the integrated testability time, the safety saved test investment manpower, improve test.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions：
A kind of winding deformation of power transformer test device convenient for test is by the winding in the separate switching device cabinet of winding
Tail end connecting pin is connected with the winding tail end of transformer, and Aa phase winding connecting pin is connected with transformer Aa phase winding head end,
Bb phase winding connecting pin is connected with transformer Bb phase winding head end, Cc phase winding connecting pin and transformer Cc phase winding head end phase
Connection, the separate switching device ground terminal of winding is connected with earth mat where tested transformer, in winding deformation tester cabinet
It is connected with the connecting pin of winding deformation tester responder with winding deformation tester signal responder, is tested with winding deformation
The connecting pin of instrument input is connected with winding deformation tester input terminal, connecting pin and winding with winding deformation tester ground connection
Deformation tester ground terminal is connected, and winding deformation tester signal control port is connected by control cable with host.
Winding tail end connecting pin, Aa phase winding connecting pin, Bb phase winding connecting pin, Cc phase winding connecting pin and winding
Separate switching device ground terminal, be separately connected winding tail end conducting switch S1, Aa phase winding head end be connected switch S2, Bb phase around
Switch S5 is connected in group head end conducting switch S3, Cc phase winding head end conducting switch S4 and the separate switching device ground terminal of winding,
It is push button band insulation function.
Switch S2 is connected in the Aa phase winding head end, and switch S3 is connected in Bb phase winding head end, and the conducting of Cc phase winding head end is opened
Three-phase test can be completed by primary connection by closing S4, realize the deformation test of the same voltage class three-phase windings.
The transformer winding Aa phase winding connecting pin is yellow, and Bb phase winding connecting pin is green, the connection of Cc phase winding
End is red, and the connecting pin between three and test device is respectively yellow, green and red.
Switch S2 is connected in the Aa phase winding head end, and switch S3 is connected in Bb phase winding head end, and the conducting of Cc phase winding head end is opened
S4 is closed, switch S2 is connected by Aa phase winding head end in the separate switching of winding, and switch S3 is connected in Bb phase winding head end, and Cc phase winding is first
End conducting switch S4 realizes switching, to realize the separate switching of transformer winding.
A kind of test method of winding deformation of power transformer test device convenient for test, includes the following steps：
Switch S5 is connected in closure winding tail end conducting switch S1 first and the separate switching device ground terminal of winding；
When testing Aa phase winding deformation, switch S2 is connected in closure Aa phase winding head end, is disconnected the conducting of Bb phase winding head end and is opened
Close S3 and Cc phase winding head end and switch S4 be connected, connect winding deformation tester general supply, by host service function, realization Aa phase around
The test of group deformation；Disconnect winding deformation tester general supply；It disconnects Aa phase winding head end and switch S2 is connected；
When test b b phase winding deformation, switch S3 is connected in closure Bb phase winding head end, and it is always electric to connect winding deformation tester
Source the test of Bb phase winding deformation is realized by host service function；Disconnect winding deformation tester general supply；Disconnect Bb phase
Switch S3 is connected in winding head end；
When testing Cc phase winding deformation, switch S4 is connected in closure Cc phase winding head end, and it is always electric to connect winding deformation tester
Source the test of Cc phase winding deformation is realized by host service function；Disconnect winding deformation tester general supply；Disconnect Cc phase
Switch S4 is connected in winding head end；
Test terminates, and removes all wiring.
The invention has the advantages that and beneficial effect：
The present invention is a kind of winding deformation of power transformer test device convenient for test, is led using on ground by changing switch
On and off open state changes the mode of test phase winding to realize.It, can be with when testing same voltage class three-phase windings at the scene
Without each commutation test require testing crew climb up transformer change wiring tested again, avoid test overall time
It is too long, while every reduction once climbs transformer connection, just reduces the danger of one-stop operation.
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawing and specific embodiment
The present invention is described in further detail, it is to be understood that protection scope of the present invention is not by the limit of specific embodiment
System.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure：The separate switching device cabinet 1 of winding, winding tail end connecting pin 2, Aa phase winding connecting pin 3, Bb phase winding connect
End 4, Cc phase winding connecting pin 5 are connect, the separate switching device ground terminal 6 of winding is tested earth mat 7 where transformer, and winding tail end is led
It opens up and closes S1 8, switch S2 9 is connected in Aa phase winding head end, and switch S3 10 is connected in Bb phase winding head end, and Cc phase winding head end is led
It opens up and closes S4 11, switch S5 12, the connection with winding deformation tester responder is connected in the separate switching device ground terminal of winding
End 13, the connecting pin 14 with winding deformation tester input, the connecting pin 15 with winding deformation tester ground connection, winding deformation are surveyed
Instrument cabinet 16 is tried, winding deformation tester signal responder 17, winding deformation tester input terminal 18, winding deformation tester connects
Ground terminal 19, winding deformation tester general supply 20, winding deformation tester signal control port 21 control cable 22, host 23.
Specific embodiment
As shown in Figure 1, the present invention is a kind of winding deformation of power transformer test device convenient for test.
Wiring before testing, by the winding tail of winding tail end connecting pin 2 and transformer in the separate switching device cabinet 1 of winding
End is connected, and Aa phase winding connecting pin 3 is connected with transformer Aa phase winding head end, Bb phase winding connecting pin 4 and transformer Bb
Phase winding head end is connected, and Cc phase winding connecting pin 5 is connected with transformer Cc phase winding head end, and the separate switching device of winding connects
Ground terminal 6 is connected with earth mat 7 where tested transformer, responding in winding deformation tester cabinet 16 with winding deformation tester
The connecting pin 13 at end is connected with winding deformation tester signal responder 17, the connecting pin 14 with winding deformation tester input
It is connected with winding deformation tester input terminal 18, connecting pin 15 and winding deformation tester with winding deformation tester ground connection
Ground terminal 19 is connected, and winding deformation tester signal control port 21 is connected by controlling cable 22 with host 23.
Wherein, with winding tail end connecting pin 2, Aa phase winding connecting pin 3, Bb phase winding connecting pin 4, Cc phase winding connecting pin
5 and the separate switching device ground terminal 6 of winding, winding tail end conducting switch S18, Aa phase winding head end conducting being separately connected switchs
S2 9, Bb phase winding head end conducting switch S3 10, Cc phase winding head end conducting switch S4 11 and the separate switching device of winding
Switch S5 12 is connected in ground terminal, is push button band insulation function.
Test device primary connection of the present invention can complete three-phase test, as soon as original every test phase winding is avoided, it must
Transformer change test connection must be climbed up, which only needs primary connection, first by the separate switching push button Aa phase winding of winding
Switch S3 10 is connected in end conducting switch S2 9, Bb phase winding head end, and switch S4 11 is connected in Cc phase winding head end, realizes same
The deformation test of voltage class three-phase windings.
The transformer winding Aa phase winding connecting pin 3 of test device and yellow of the present invention, green Bb phase winding connecting pin 4
And red Cc phase winding connecting pin 5, between connecting pin be respectively yellow, green and red, color clear avoids operating
Mistake causes test abnormal, instrument scaling loss is caused when serious.
Switch S29 is connected in the Aa phase winding head end of test device of the present invention, and switch S310, Cc phase is connected in Bb phase winding head end
Switch S411 is connected in winding head end, and switch S29, the conducting of Bb phase winding head end is connected by Aa phase winding head end in the separate switching of winding
Switch S310, Cc phase winding head end is connected switch S411 and realizes switching, to realize the separate switching of transformer winding, avoids and cuts
Induced electricity during commutation is other is hurted sb.'s feelings phenomenon, and the safety of detection is improved.
Test starts, closure winding tail end conducting switch S18 first and the separate switching device ground terminal conducting switch of winding
S512。
When testing Aa phase winding deformation, switch S29 is connected in closure Aa phase winding head end, is disconnected Bb phase winding head end and is led
It opens up and closes S310 and Cc phase winding head end conducting switch S411, connect winding deformation tester general supply 20, grasped by host 23
Make, realizes the test of Aa phase winding deformation.Disconnect winding deformation tester general supply 20.Disconnect the conducting of Aa phase winding head end
Switch S29.
When test b b phase winding deformation, switch S310 is connected in closure Bb phase winding head end, connects winding deformation test
Instrument general supply 20 is operated by host 23, realizes the test of Bb phase winding deformation.Disconnect winding deformation tester general supply
20.It disconnects Bb phase winding head end and switch S310 is connected.
When testing Cc phase winding deformation, switch S411 is connected in closure Cc phase winding head end, connects winding deformation test
Instrument general supply 20 is operated by host 23, realizes the test of Cc phase winding deformation.Disconnect winding deformation tester general supply
20.It disconnects Cc phase winding head end and switch S411 is connected.
Test terminates, and removes all wiring.
Since test b b phase winding or Cc phase winding deformation are similar with the operation of Aa phase winding.Using the above structure, exist
Scene can complete the test of the same voltage class three-phase windings deformation of transformer by primary connection, avoid each phase of test
The mode that transformer change wiring will be climbed up realizes and simplifies test Connection Mode, shorten the integrated testability time, save test
The purpose for putting into manpower, improving Security of test.
Claims (6)
1. a kind of winding deformation of power transformer test device convenient for test, it is characterized in that：By the separate switching device machine of winding
Winding tail end connecting pin in case is connected with the winding tail end of transformer, and Aa phase winding connecting pin and transformer Aa phase winding are first
End is connected, and Bb phase winding connecting pin is connected with transformer Bb phase winding head end, Cc phase winding connecting pin and transformer Cc phase
Winding head end is connected, and the separate switching device ground terminal of winding is connected with earth mat where tested transformer, winding deformation test
Being connected in instrument cabinet with the connecting pin of winding deformation tester responder with winding deformation tester signal responder, with around
The connecting pin of group deformation tester input is connected with winding deformation tester input terminal, the company with winding deformation tester ground connection
It connects end to be connected with winding deformation tester ground terminal, winding deformation tester signal control port passes through control cable and host
It is connected.
2. a kind of winding deformation of power transformer test device convenient for test according to claim 1, it is characterized in that：Institute
State winding tail end connecting pin, Aa phase winding connecting pin, Bb phase winding connecting pin, Cc phase winding connecting pin and the separate switching dress of winding
Ground terminal is set, winding tail end conducting switch S1, Aa phase winding head end conducting switch S2, Bb phase winding head end conducting being separately connected
Switch S4 is connected in switch S3, Cc phase winding head end and switch S5 is connected in the separate switching device ground terminal of winding, is push button
Band insulation function.
3. a kind of winding deformation of power transformer test device convenient for test according to claim 1, it is characterized in that：Institute
Aa phase winding head end conducting switch S2 is stated, switch S3 is connected in Bb phase winding head end, and Cc phase winding head end is connected switch S4 and passes through one
Secondary wiring can complete three-phase test, realize the deformation test of the same voltage class three-phase windings.
4. a kind of winding deformation of power transformer test device convenient for test according to claim 1, it is characterized in that：Institute
Stating transformer winding Aa phase winding connecting pin is yellow, and Bb phase winding connecting pin is green, and Cc phase winding connecting pin is red,
Connecting pin between three and test device is respectively yellow, green and red.
5. a kind of winding deformation of power transformer test device convenient for test according to claim 2, it is characterized in that：Institute
Aa phase winding head end conducting switch S2 is stated, switch S3 is connected in Bb phase winding head end, and switch S4, winding phase is connected in Cc phase winding head end
Switch S2 Qie Huan not be connected by Aa phase winding head end, switch S3, Cc phase winding head end conducting switch is connected in Bb phase winding head end
S4 realizes switching, to realize the separate switching of transformer winding.
6. a kind of test method of the winding deformation of power transformer test device convenient for test according to claim 1,
It is characterized in：Include the following steps：
Switch S5 is connected in closure winding tail end conducting switch S1 first and the separate switching device ground terminal of winding；
When testing Aa phase winding deformation, switch S2 is connected in closure Aa phase winding head end, is disconnected the conducting of Bb phase winding head end and is opened
Close S3 and Cc phase winding head end and switch S4 be connected, connect winding deformation tester general supply, by host service function, realization Aa phase around
The test of group deformation；Disconnect winding deformation tester general supply；It disconnects Aa phase winding head end and switch S2 is connected；
When test b b phase winding deformation, switch S3 is connected in closure Bb phase winding head end, and it is always electric to connect winding deformation tester
Source the test of Bb phase winding deformation is realized by host service function；Disconnect winding deformation tester general supply；Disconnect Bb phase
Switch S3 is connected in winding head end；
When testing Cc phase winding deformation, switch S4 is connected in closure Cc phase winding head end, and it is always electric to connect winding deformation tester
Source the test of Cc phase winding deformation is realized by host service function；Disconnect winding deformation tester general supply；Disconnect Cc phase
Switch S4 is connected in winding head end；
Test terminates, and removes all wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090105.5A CN108919042A (en) | 2018-09-18 | 2018-09-18 | A kind of winding deformation of power transformer test device convenient for test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811090105.5A CN108919042A (en) | 2018-09-18 | 2018-09-18 | A kind of winding deformation of power transformer test device convenient for test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108919042A true CN108919042A (en) | 2018-11-30 |
Family
ID=64409101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811090105.5A Pending CN108919042A (en) | 2018-09-18 | 2018-09-18 | A kind of winding deformation of power transformer test device convenient for test |
Country Status (1)
| Country | Link |
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| CN (1) | CN108919042A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202583255U (en) * | 2012-04-29 | 2012-12-05 | 沧州供电公司 | Wire connection panel used in transformer test |
| CN203054011U (en) * | 2012-12-09 | 2013-07-10 | 国家电网公司 | Wiring switch device for transformer winding deformation test |
| CN104535955A (en) * | 2015-01-15 | 2015-04-22 | 国网四川省电力公司电力科学研究院 | Calibration device and method of transformer frequency response method winding deformation tester |
| CN205861812U (en) * | 2016-08-15 | 2017-01-04 | 贵州电网有限责任公司兴义供电局 | A kind of power test circuit switching system with the test of method of frequency response method winding deformation |
| CN208984737U (en) * | 2018-09-18 | 2019-06-14 | 国网辽宁省电力有限公司电力科学研究院 | A kind of winding deformation of power transformer test device convenient for test |
-
2018
- 2018-09-18 CN CN201811090105.5A patent/CN108919042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202583255U (en) * | 2012-04-29 | 2012-12-05 | 沧州供电公司 | Wire connection panel used in transformer test |
| CN203054011U (en) * | 2012-12-09 | 2013-07-10 | 国家电网公司 | Wiring switch device for transformer winding deformation test |
| CN104535955A (en) * | 2015-01-15 | 2015-04-22 | 国网四川省电力公司电力科学研究院 | Calibration device and method of transformer frequency response method winding deformation tester |
| CN205861812U (en) * | 2016-08-15 | 2017-01-04 | 贵州电网有限责任公司兴义供电局 | A kind of power test circuit switching system with the test of method of frequency response method winding deformation |
| CN208984737U (en) * | 2018-09-18 | 2019-06-14 | 国网辽宁省电力有限公司电力科学研究院 | A kind of winding deformation of power transformer test device convenient for test |
Non-Patent Citations (1)
| Title |
|---|
| 徐德宝: "《电气试验实训指导书》", 东北大学出版社, pages: 60 * |
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