CN206657711U - A kind of band 380V assists winding photovoltaic generation dry-type transformers - Google Patents
A kind of band 380V assists winding photovoltaic generation dry-type transformers Download PDFInfo
- Publication number
- CN206657711U CN206657711U CN201720452276.2U CN201720452276U CN206657711U CN 206657711 U CN206657711 U CN 206657711U CN 201720452276 U CN201720452276 U CN 201720452276U CN 206657711 U CN206657711 U CN 206657711U
- Authority
- CN
- China
- Prior art keywords
- winding
- pressure winding
- low pressure
- assists
- windings
- 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
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model provides a kind of band 380V assists winding photovoltaic generation dry-type transformers, it includes base, folder from top to bottom, iron core, winding, winding is vertically connected with folder, lower clamping piece is fixedly installed on base, and winding includes a high pressure winding, two secondary low-voltage windings and a 380V assists winding；Mutually insulated between four windings, low pressure winding I and low pressure winding II are placed close to core side, low pressure winding I and II centre setting up and down of low pressure winding are insulated by cushion block, and low pressure winding I is arranged on the outlet of top upper end, and low pressure winding II is arranged on the outlet of bottom lower end；380V assists windings and high pressure winding pour into an entirety, are insulated between high pressure winding and 380V assists windings, high pressure winding to the dielectric levels of 380V assists windings with high pressure winding to low pressure winding I as the dielectric level of low pressure winding II；Assists winding is connected into yn wiring, and band neutral point is drawn.
Description
Technical field
Transformer technology field is the utility model is related to, is become more particularly to a kind of poured with epoxy resin photovoltaic generation dry type
Depressor.
Background technology
With the sustained and rapid development of Chinese national economy and the iterative method of new Urbanization Construction, energy demand increases
Powerful, total energy consumption constantly increases, and the resource import volume such as oil sharply increases, for a long time the energy resource structure pair based on coal
The influence of ecological environment shows increasingly, therefore big development clean energy resource, not only can progressively improve energy resource structure, ensure the energy
Safety, and greenhouse gas emission can be reduced, promote environmental protection, the one kind of photovoltaic generation as clean energy resource, country is just
Popularization energetically is carried out, dry type transformer for photovoltaic generation has also obtained quick development.
And the secondary voltage of dry type transformer for photovoltaic generation general at present is usually：270V, 315V, 480V, substantially
There is no 380V voltages；And the case change of photovoltaic generation dry-type transformer or booster stations are used to need 3 phase 380V or individual event 220V power supplys；
Traditional design is needed to increase a transformer to obtain 380V power supplys, and the dry secondary voltage become of photovoltaic generation is changed into 380V's
Power supply, become to control system power supply or case or transformer station powers, not only cost is high, and space-consuming is big.
The content of the invention
Become in order to solve the above technical problems, the utility model spy provides a kind of band 380V assists winding photovoltaic generations dry type
Depressor, assists winding and high pressure winding pour into an entirety, good insulation preformance, can provide 380V three phase mains or individual event
220V power supplys, reduce case variable volume, and manufacturing cost is low.
For achieving the above object, its technical scheme taken is：
A kind of band 380V assists winding photovoltaic generation dry-type transformers, it includes base, folder from top to bottom, iron core, winding, around
Group is vertically connected with folder, and lower clamping piece is fixedly installed on base, winding include a high pressure winding, two secondary low-voltage windings and
One 380V assists winding；Mutually insulated between four windings, winding central side place low pressure winding I and low pressure winding II,
Low pressure winding I and II centre setting up and down of low pressure winding are insulated by cushion block, and low pressure winding I is arranged on the outlet of top upper end, low
Pressure winding II is arranged on the outlet of bottom lower end；380V assists windings and high pressure winding pour into an entirety, high pressure winding and
Insulated between 380V assists windings, high pressure winding is to the dielectric level of 380V assists windings with high pressure winding to the He of low pressure winding I
The dielectric level of low pressure winding II is the same；Assists winding is connected into yn wiring, and band neutral point is drawn.
The tail end of 380V assists windings is joined together to form neutral point with a copper busbar, and 0 phase terminal is in copper busbar
End.
380V assists windings can provide 380V three phase mains by electromagnetic induction during transformer station high-voltage side bus, when taking certain mutually with zero
220V single phase poaer supplies can also be provided during phase connection, the power supply can give whole box-type substation to provide power supply.
High pressure winding is to the dielectric level of assists winding with high pressure winding to two low pressure windings or the dielectric level one on ground
Sample.
The capacity of 380V assists windings, 10KVA, or the capacity such as 20KVA can be designed to as needed.
The beneficial effects of the utility model are：
The dry type transformer for photovoltaic generation carries 380V assists windings, can both provide 380V three phase mains, when taking certain
220V single phase poaer supplies can also be provided when mutually with zero phase connection；Assists winding and high pressure winding pour into an entirety, insulating properties
Can be good；Assists winding capacity can remove the capacity such as 10KVA or 20KVA；The mode of traditional design increase control transformer is eliminated,
Cost is reduced, reduces the volume of case change.
Brief description of the drawings
Fig. 1 the utility model embodiment structural representations.
Fig. 2 Fig. 1 side structure schematic views.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1：A kind of band 380V assists winding photovoltaic generations dry-type transformer includes iron core 1, high pressure winding 2, low
Press winding I 3, low pressure winding II 4,380V assists windings 5, iron core 1 is arranged in most inner face, then for low pressure winding I 3 and low pressure around
Group II 4, wherein low pressure winding II 4 in bottom, low pressure winding I 3 between top, two low pressure windings with 20mm cross-over blocks every
Open, mutually insulated between low pressure winding I 3, low pressure winding II 4.High pressure winding 2 is arranged in outermost, and 380V assists windings 5 are in height
Press below the coil of winding 2, for the insulation distance between 380V assists windings 5 and high pressure winding 2 between 54-60mm, 380V is auxiliary
Help winding 5 to reinstate epoxy resin with high pressure winding 2 one and carry out encapsulating cast, pour into an entirety.
Two low pressure windings individually process, and after the coiling of high pressure winding 2 terminates, then carry out 380V assists windings
5 coiling, the encapsulating cast of epoxy resin is carried out after coiling is complete.
380V assists windings can provide 380V three phase mains by electromagnetic induction during transformer station high-voltage side bus, when taking certain mutually with zero
220V single phase poaer supplies can also be provided during phase connection, the power supply can give whole box-type substation to provide power supply.380V auxiliary around
The tail end of group（ax、by、cz）Neutral point is joined together to form with 4 × 40 copper busbars, 0 phase terminal is at the end of copper busbar
Portion；When needing three phase mains, take af, bf, cf three-phase can be, it is necessary to single phase poaer supply is to take af-0 as input, or bf-0 or cf-
0.
Described above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of technical field
For personnel, on the premise of the utility model principle is not departed from, some improvement can also be made, wound is not being paid in these improvement
The scope of protection of the utility model is also should be regarded as under the premise of the property made work.
Claims (2)
1. a kind of band 380V assists winding photovoltaic generation dry-type transformers, it includes base, folder from top to bottom, iron core, winding, winding
Folder is vertically connected with, lower clamping piece is fixedly installed on base, it is characterized in that：Winding include a high pressure winding, two it is secondary low
Press winding and a 380V assists winding；Mutually insulated between four windings, low pressure winding I and low pressure are placed close to core side
Winding II, low pressure winding I and II centre setting up and down of low pressure winding are insulated by cushion block, and low pressure winding I is arranged on top upper end
Outlet, low pressure winding II are arranged on the outlet of bottom lower end；380V assists windings and high pressure winding pour into an entirety, high voltage winding
Insulated between group and 380V assists windings, high pressure winding is to the dielectric level of 380V assists windings with high pressure winding to low pressure winding
I as the dielectric level of low pressure winding II；Assists winding is connected into yn wiring, and band neutral point is drawn.
2. band 380V assists windings photovoltaic generation dry-type transformer according to claim 1, it is characterized in that：380V auxiliary around
The tail end of group is joined together to form neutral point with a copper busbar, and 0 phase terminal is in the end of copper busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452276.2U CN206657711U (en) | 2017-04-27 | 2017-04-27 | A kind of band 380V assists winding photovoltaic generation dry-type transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452276.2U CN206657711U (en) | 2017-04-27 | 2017-04-27 | A kind of band 380V assists winding photovoltaic generation dry-type transformers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206657711U true CN206657711U (en) | 2017-11-21 |
Family
ID=60319365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720452276.2U Expired - Fee Related CN206657711U (en) | 2017-04-27 | 2017-04-27 | A kind of band 380V assists winding photovoltaic generation dry-type transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206657711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867305A (en) * | 2018-08-28 | 2020-03-06 | 特变电工山东沈变电气设备有限公司 | Photovoltaic booster box becomes auxiliary power supply electrical power generating system |
-
2017
- 2017-04-27 CN CN201720452276.2U patent/CN206657711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110867305A (en) * | 2018-08-28 | 2020-03-06 | 特变电工山东沈变电气设备有限公司 | Photovoltaic booster box becomes auxiliary power supply electrical power generating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204010978U (en) | Single-phase axial quadripartion amorphous alloy dry-type isolating transformer | |
| CN206657711U (en) | A kind of band 380V assists winding photovoltaic generation dry-type transformers | |
| CN201845649U (en) | Oil-immersed dual-voltage on-load voltage regulating transformer | |
| CN109346301A (en) | A kind of balancing transformer and its method of supplying power to based on the type of falling A wiring | |
| CN101192467B (en) | Amorphous alloy ground transformer body structure | |
| CN205723093U (en) | A kind of 220kV SCOTT balance traction transformer winding construction | |
| CN201181633Y (en) | 10KV and 20KV dual-purpose single-phase rolled iron-core transformer | |
| CN201698878U (en) | Dual-voltage transformer | |
| CN102420043B (en) | Single-phase high-impedance auto-transformer | |
| CN102436918B (en) | Traction transformer for Scott wiring | |
| CN206697336U (en) | A kind of low drain sense Large Copacity high frequency middle high-pressure transformer | |
| CN206533137U (en) | Arc suppression coil of power distribution network distributed compensation device integrated with distribution transformer | |
| CN202384159U (en) | Traction transformer in Scott connexion | |
| CN204732270U (en) | A kind of buried six phase 12 pulse wave rectifier transformers | |
| CN209216746U (en) | A kind of inverse Scott Transformer | |
| CN201425877Y (en) | Medium-high frequency electrostatic dust removal dry-type transformer high-voltage coil | |
| CN203746639U (en) | Line-terminal on-load voltage regulating single-phase 220kV high-impedance transformer | |
| CN203338924U (en) | High-voltage side auxiliary power supply of transformer | |
| CN108777219B (en) | Double-column magnetic flux direct coupling controllable reactor | |
| CN206819862U (en) | Photovoltaic transformer | |
| CN202084409U (en) | Inverse Scott dry type transformer | |
| CN206225154U (en) | Rolled iron core dry-type auto-transformer | |
| CN206210553U (en) | A kind of single-phase high voltage variable flux voltage variation (VFVV) auto-transformer | |
| CN208970324U (en) | A kind of dry-type transformer that iron core insulation against ground performance is reinforced | |
| CN204390862U (en) | The efficient non-crystaline amorphous metal intermediate frequency transformer of a kind of direct current networking |
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: 20171121 Termination date: 20200427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |