CN201522533U - Automatic conversion variable-frequency transformer withstand voltage measuring device - Google Patents
Automatic conversion variable-frequency transformer withstand voltage measuring device Download PDFInfo
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- CN201522533U CN201522533U CN2009201834151U CN200920183415U CN201522533U CN 201522533 U CN201522533 U CN 201522533U CN 2009201834151 U CN2009201834151 U CN 2009201834151U CN 200920183415 U CN200920183415 U CN 200920183415U CN 201522533 U CN201522533 U CN 201522533U
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- withstand voltage
- alternating current
- relay
- time
- contactors
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Abstract
The utility model discloses an automatic conversion variable-frequency transformer withstand voltage measuring device, which mainly comprises an air switch, a relay, three time relays, three alternating current contactors and two withstand voltage testers, wherein the air switch is externally connected with commercial power and is internally connected with the relay, the relay is connected with the three time relays which are connected in series, and the three time relays are respectively connected with the three alternating current contactors. The alternating current contactors are connected together in series, two alternating current contactors are connected with one withstand voltage tester, and one alternating current contactor is connected with another one withstand voltage tester. Because the automatic conversion variable-frequency transformer withstand voltage measuring device converts and tests other projects through the air switch, the time relays, the alternating current contactors, each time relay controls and tests a project, the measuring time of each project is 2 seconds, thereby greatly reducing the measuring process, completing the withstand voltage measuring between various groups of coils in one time, and increasing the measuring efficiency.
Description
Technical field
The utility model relates to a kind of transformer checkout equipment, particularly relates to a kind of withstand voltage survey device of variable-frequency transformer of automatic conversion.
Background technology
The transformer voltage-withstand test of commonly using can only be tested a project at every turn, withstand voltage as between elementary coil and the secondary coil; If there are many group coils in transformer, then the withstand voltage needs between each coil are tested one by one, and testing efficiency is very low.
The utility model content
The purpose of this utility model is to provide the withstand voltage survey device of variable-frequency transformer of the automatic conversion that a kind of testing process is short, testing efficiency is high.
For achieving the above object, technical solution of the present utility model is:
The utility model is the withstand voltage survey device of a kind of variable-frequency transformer of automatic conversion, and it mainly is made up of air switch, relay, three time relays, three A.C. contactors and two Hi-pot Testers; The external civil power of described air switch, in succeed electrical equipment; Relay is connected with three time relays that are serially connected, and three time relays are connected with three A.C. contactors respectively; Described three A.C. contactors are serially connected, and wherein, two A.C. contactors are connected with a Hi-pot Tester, and an A.C. contactor is connected with another Hi-pot Tester.
After adopting such scheme, because the utility model is mainly by air switch, relay, three time relays, three A.C. contactors and two testing apparatuss that Hi-pot Tester is formed, by air switch, the time relay, A.C. contactor, other project of conversion testing, as elementary-secondary, elementary-feedback, primary and secondary-iron core.(as elementary-secondary test voltage 3.6KV, primary and secondary-magnetic core test voltage 1.8KV).Project of each time relay control test, 2 seconds each project testing time, thus shortened testing process greatly, with disposable the finishing of voltage-withstand test between each group coil, improved testing efficiency.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model is the withstand voltage survey device of a kind of variable-frequency transformer of automatic conversion, and it mainly is made up of air switch 1, relay 2, three 41,42,43 and two Hi- pot Testers 51,52 of 31,32,33, three A.C. contactors of the time relay.
Described air switch 1 external civil power, in succeed electrical equipment 2.31,32,33 be connected in relay 2 and three time relays 31,32,33 that are serially connected, three time relays 31,32,33 are connected with three A.C. contactors 41,42,43 respectively; Described three A.C. contactors 41,42,43 are serially connected, and wherein, two A.C. contactors 41,42 are connected with a Hi-pot Tester 51, and an A.C. contactor 43 is connected with another Hi-pot Tester 52.
Described two Hi- pot Testers 51,52 are respectively 1.8KV pressure tester and 3.6KV Hi-pot Tester.
During test, A.C. contactor 41 connects the secondary coil of transformer, and A.C. contactor 42 connects the magnetic core of transformer, and A.C. contactor 43 connects the primary coil of transformer.
Emphasis of the present utility model just is: be provided with a plurality of time relays that are used to control testing sequence.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (1)
1. automatic withstand voltage survey device of variable-frequency transformer of conversion, it is characterized in that: it mainly is made up of air switch, relay, three time relays, three A.C. contactors and two Hi-pot Testers; The external civil power of described air switch, in succeed electrical equipment; Relay is connected with three time relays that are serially connected, and three time relays are connected with three A.C. contactors respectively; Described three A.C. contactors are serially connected, and wherein, two A.C. contactors are connected with a Hi-pot Tester, and an A.C. contactor is connected with another Hi-pot Tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201834151U CN201522533U (en) | 2009-10-13 | 2009-10-13 | Automatic conversion variable-frequency transformer withstand voltage measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201834151U CN201522533U (en) | 2009-10-13 | 2009-10-13 | Automatic conversion variable-frequency transformer withstand voltage measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522533U true CN201522533U (en) | 2010-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201834151U Expired - Fee Related CN201522533U (en) | 2009-10-13 | 2009-10-13 | Automatic conversion variable-frequency transformer withstand voltage measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522533U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866328A (en) * | 2012-07-25 | 2013-01-09 | 昆山微容电子企业有限公司 | Rotary pressure-resistant test board |
| CN104730429A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Method and system for detecting transformer |
-
2009
- 2009-10-13 CN CN2009201834151U patent/CN201522533U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866328A (en) * | 2012-07-25 | 2013-01-09 | 昆山微容电子企业有限公司 | Rotary pressure-resistant test board |
| CN102866328B (en) * | 2012-07-25 | 2015-06-17 | 昆山微容电子企业有限公司 | Rotary pressure-resistant test board |
| CN104730429A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Method and system for detecting transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20131013 |