CN207474242U - A kind of threephase potential transformer - Google Patents
A kind of threephase potential transformer Download PDFInfo
- Publication number
- CN207474242U CN207474242U CN201721570385.0U CN201721570385U CN207474242U CN 207474242 U CN207474242 U CN 207474242U CN 201721570385 U CN201721570385 U CN 201721570385U CN 207474242 U CN207474242 U CN 207474242U
- Authority
- CN
- China
- Prior art keywords
- extension bar
- fuse
- connection terminal
- primary
- potential transformer
- 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.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 238000004080 punching Methods 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Regulation Of General Use Transformers (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model provides a kind of threephase potential transformer, it is connected extension bar A, primary coil A, A phase iron core including fuse A, primary connection terminal A, A, B be connected extension bar C, primary connection terminal B, fuse B, C phase iron core, primary coil C, the C of extension bar A, connection copper sheet B, B that be connected is connected extension bar C, primary connection terminal C and fuse C.The utility model consumptive material is low, and meets the requirement of user's large capacity.And the simplification of safety and the installation of voltage transformer is improved, is voltage transformer that is a kind of safe and reliable and being easily installed.
Description
Technical field
The utility model is related to field of power transformation, particularly relate to a kind of threephase potential transformer.
Background technology
Voltage transformer is the major electrical components in switchgear.Original voltage transformer is cumbersome for installation, wiring is complicated.
In order to improve the simplification of the safety of voltage transformer and installation, need to develop voltage that is a kind of safe and reliable and being easily installed
Mutual inductor.
Invention content
The utility model has made that a kind of shape is small for the larger load of the market demand, the larger mutual inductor of capacity.It plays
Existing space is more effectively utilized in energy conservation and environmental protection, to complete the demands such as the charging of electric system monitoring.
The specific technical solution of the utility model is：A kind of threephase potential transformer, including fuse A, primary connection end
Sub- A, A are connected extension bar A, primary coil A, A phase iron core, and be connected extension bar A, connection copper sheet B, B of B is connected extension bar C, primary connection terminal
B, fuse B, C phases iron core, primary coil C, C are connected extension bar C, primary connection terminal C and fuse C, the primary connection end
Sub- A one end is connected with fuse A, and the primary connection terminal A other ends extension bar A that is connected with A is connected, and A is connected extension bar A and primary coil
A is connected, and primary coil A passes through A phase iron cores, reaches the extension bar A that is connected with B after the scheduled punching number of turn and is connected, and B is connected extension bar A welderings
One end of connection copper sheet B is connected on, connection copper sheet B is connect with primary connection terminal B, and primary connection terminal B is connect with fuse B；
The connection copper sheet B other ends extension bar C that is connected with B welds together, and the B extension bar C that are connected are connect with primary coil C, and primary coil C is passed through
C phase iron cores reach the extension bar C that is connected with C after the scheduled punching number of turn and connect, and the C extension bar C that are connected are connect with primary connection terminal C, and one
Secondary wire connection terminal C is connect with fuse C.
Further, the fuse A is embedded in cable plug A, and fuse B is embedded in cable plug B, fuse
C is embedded in cable plug C.
Further, the cable plug A, cable plug B and cable plug C are inserted into the connection of voltage transformer respectively
Head.
Further, casting epoxy resin inside the voltage transformer.
Further, the iron core is rolls formula silicon sheet core.
Further, setting screening arrangement in the iron core.
Further, the iron core and coil encapsulation are inside mutual inductor.
The beneficial effects of the utility model are：The utility model consumptive material is low, and meets the requirement of user's large capacity.And
The simplification of safety and the installation of voltage transformer is improved, is voltage transformer that is a kind of safe and reliable and being easily installed.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model,
In figure：1st, fuse A, 2, primary connection terminal A, 3, A be connected extension bar A, 4, primary coil A, 5, A phase iron
Core, 6, B be connected extension bar A, 7, connection copper sheet B, 8, B be connected extension bar C, 9, primary connection terminal B, 10, fuse B, 11,
C phase iron cores, 12, primary coil C, 13, C be connected extension bar C, 14, primary connection terminal C, 15, fuse C.
Specific embodiment
The utility model is described as follows with reference to the accompanying drawings, a kind of threephase potential transformer, comprising 1, fuse A, 2, primary
Wire connection terminal A, 3, A be connected extension bar A, 4, primary coil A, 5, A phase iron cores, 6, B be connected extension bar A, 7, connection copper sheet B, 8, B is connected
Extension bar C, 9, primary connection terminal B, 10, fuse B, 11, C phase iron cores, 12, primary coil C, 13, C be connected extension bar C, 14, one
Secondary wire connection terminal C, 15, fuse C.Described primary connection terminal A one end is connected with fuse A, the primary connection terminal A other ends
The extension bar A that is connected with A is connected, and the A extension bar A that are connected are connected with primary coil A, and primary coil A passes through A phase iron cores, meets the punching number of turn
The extension bar A that is connected afterwards with B is connected, and the B extension bar A that are connected are welded on one end of connection copper sheet B, connect copper sheet B and primary connection terminal B phases
Connection, primary connection terminal B are connected with fuse B；The connection copper sheet B other ends extension bar C that is connected with B welds together, and B is connected
Bar C is connected with primary coil C, and primary coil C passes through C phase iron cores, meets the extension bar C that is connected with C after the punching number of turn and is connected, C is connected
Extension bar C is connected with primary connection terminal C, and primary connection terminal C is connected with fuse C.Fuse A is embedded in cable plug A,
Fuse B is embedded in cable plug B, and fuse C is embedded in cable plug C.It is mutual that cable plug A, B, C are inserted into voltage respectively
The connector of sensor；Iron core is using formula silicon sheet core is rolled, and using full-closed structure, inside can add screening arrangement, locally put
Electric level meets international requirement；Voltage transformer is full-closed structure, internal casting epoxy resin, including iron core and coil encapsulation
Mutual inductor service life is improved in portion.This voltage transformer is easy for installation and has higher safety in utilization, can be widely applied to
Switchgear, ring main unit, in gas-filling cabinet.
The applicable elements of the utility model are：
Power-factor of load cos φ=0.8（Lag）,
Environment temperature between -30 DEG C ~ 60 DEG C,
Mean daily temperature does not exceed 50 DEG C,
Height above sea level is no more than 1000m.
Claims (7)
1. a kind of threephase potential transformer, it is characterised in that：It is connected extension bar A, primary including fuse A, primary connection terminal A, A
Loop A, A phase iron cores, B be connected extension bar A, connection copper sheet B, B be connected extension bar C, primary connection terminal B, fuse B, C phase iron core,
Primary coil C, C are connected extension bar C, primary connection terminal C and fuse C；Described primary connection terminal A one end and fuse A phases
Even, the primary connection terminal A other ends extension bar A that is connected with A is connected, and the A extension bar A that are connected are connected with primary coil A, and primary coil A is worn
A phase iron cores are crossed, reaches the extension bar A that is connected with B after the scheduled punching number of turn and is connected, the B extension bar A that are connected are welded on the one of connection copper sheet B
End, connection copper sheet B are connect with primary connection terminal B, and primary connection terminal B is connect with fuse B；Connect the copper sheet B other ends and B
The extension bar C that is connected welds together, and the B extension bar C that are connected are connect with primary coil C, and primary coil C reaches scheduled across C phase iron cores
The extension bar C that is connected after the punching number of turn with C is connect, and the C extension bar C that are connected are connect with primary connection terminal C, primary connection terminal C and fusing
Device C connections.
2. a kind of threephase potential transformer according to claim 1, it is characterised in that：The fuse A is embedded in cable
In plug A, fuse B is embedded in cable plug B, and fuse C is embedded in cable plug C.
3. a kind of threephase potential transformer according to claim 2, it is characterised in that：The cable plug A, cable plug
B and cable plug C is inserted into the connector of voltage transformer respectively.
4. a kind of threephase potential transformer according to claim 1, it is characterised in that：It is poured into a mould inside the voltage transformer
Epoxy resin.
5. a kind of threephase potential transformer according to claim 1, it is characterised in that：The iron core is rolls formula silicon steel sheet
Iron core.
6. a kind of threephase potential transformer according to claim 1, it is characterised in that：Setting shielding dress in the iron core
It puts.
7. a kind of threephase potential transformer according to claim 1, it is characterised in that：The iron core and coil encapsulation are mutual
Inside sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570385.0U CN207474242U (en) | 2017-11-22 | 2017-11-22 | A kind of threephase potential transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570385.0U CN207474242U (en) | 2017-11-22 | 2017-11-22 | A kind of threephase potential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474242U true CN207474242U (en) | 2018-06-08 |
Family
ID=62262051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721570385.0U Expired - Fee Related CN207474242U (en) | 2017-11-22 | 2017-11-22 | A kind of threephase potential transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474242U (en) |
-
2017
- 2017-11-22 CN CN201721570385.0U patent/CN207474242U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |