CN204614630U - A kind of low-loss photovoltaic power generation transformer - Google Patents
A kind of low-loss photovoltaic power generation transformer Download PDFInfo
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- CN204614630U CN204614630U CN201520288371.4U CN201520288371U CN204614630U CN 204614630 U CN204614630 U CN 204614630U CN 201520288371 U CN201520288371 U CN 201520288371U CN 204614630 U CN204614630 U CN 204614630U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to a kind of low-loss photovoltaic power generation transformer, comprise protective casing and tap-changing windings, wherein protective casing is confined space structure, and its upper surface establishes input terminal and outlet terminal, tap-changing windings at least one and be positioned at protective casing, tap-changing windings comprises core limb, input winding, export winding and inductance coil, input winding is looped around on core limb, exporting winding is looped around outside input winding, aluminium foil guard screen is separately established to isolate between input winding and output winding, inductance coil distributes around core limb, input winding, output winding and inductance coil outer surface separately have insulating resin composite protection layer, inductance coil and input winding, exporting between winding separately establishes aluminium foil guard screen to isolate.This new structure is simple, small in volume, and has good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little, and can meet the needs of larger current output, thus effectively raises wind power generation for electrical stability and reliability.
Description
Technical field
The utility model relates to a kind of low-loss photovoltaic power generation transformer, belongs to photovoltaic generation technical field of transformer equipment.
Background technology
At present when carrying out photovoltaic generation, the electric energy sent due to photovoltaic is direct current, therefore in order to meet the needs be connected with power supply grid, usually grid-connected power supply can be realized after needing to be adjusted the electric energy that photovoltaic sends by power transformer, but in use find, presently used volume of transformer and deadweight strengthen, and operationally, owing to lacking necessary safeguard procedures, thus cause transformer to there is this serious eddy current loss and leakage inductance phenomenon, thus it is larger to result in energy loss when transformer runs on the one hand, operating efficiency is relatively low, therefore in the urgent need to developing a kind of novel dynamical photovoltaic power generation transformer, with the needs that satisfied reality uses.
Utility model content
For the deficiency that prior art exists, the utility model provides a kind of low-loss photovoltaic power generation transformer, this new structure is simple, rationally distributed, small in volume, and there is good Short Circuit withstand, antijamming capability, electromagnetic eddy loss is little, and the needs of larger current output can be met, thus effectively raise wind power generation for electrical stability and reliability.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of low-loss photovoltaic power generation transformer, comprise protective casing and tap-changing windings, wherein protective casing is confined space structure, and its upper surface establishes input terminal and outlet terminal, tap-changing windings at least one and be positioned at protective casing, tap-changing windings comprises core limb, input winding, export winding and inductance coil, wherein inputting winding is looped around on core limb, and distribute with core limb is concentric, exporting winding is looped around outside input winding, and with input, winding is concentric distributes, and separately establish aluminium foil guard screen to isolate between input winding and output winding, inductance coil totally two sections, and distribute around core limb respectively, wherein one section of inductance coil one end and input windings in series, the other end is connected with input terminal, another section of inductance coil one end and output windings in series, the other end is connected with outlet terminal, input winding, output winding and inductance coil outer surface separately have insulating resin composite protection layer, inductance coil and input winding, exporting between winding separately establishes aluminium foil guard screen to isolate, aluminium foil guard screen and protective casing, core limb, input winding, export winding, all insulator is established between inductance coil and aluminium foil guard screen.
Further, insulating radiation inserts is separately established between described tap-changing windings and protective casing.
Further, described protective casing outer surface establishes heating panel.
Further, when establishing multiple tap-changing windings in described protective casing, then the input winding between multiple tap-changing windings, output winding are connected by bus bar, and are isolated by insulator between adjacent bus bar.
This new structure is simple, rationally distributed, small in volume, and has good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little, and can meet the needs of larger current output, thus effectively raises wind power generation for electrical stability and reliability.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is this new structure schematic diagram.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
A kind of low-loss photovoltaic power generation transformer as described in Figure 1, comprise protective casing 1 and tap-changing windings 2, wherein protective casing 1 is confined space structure, and its upper surface establishes input terminal 3 and outlet terminal 4, in at least one protective casing 1 of tap-changing windings 2, tap-changing windings 2 comprises core limb 21, input winding 22, export winding 23 and inductance coil 24, wherein input winding ring 22 around on core limb 21, and distribute with core limb 21 is concentric, exporting winding 23 is looped around outside input winding 22, and with input, winding 22 is concentric distributes, and separately establish aluminium foil guard screen 25 to isolate between input winding 22 and output winding 23, inductance coil 24 totally two sections, and distribute around core limb 21 respectively, wherein connect with input winding 22 in one section of inductance coil 24 one end, the other end is connected with input terminal 3, connect with output winding 23 in another section of inductance coil 24 one end, the other end is connected with outlet terminal 4, input winding 22, output winding 23 and inductance coil 24 outer surface separately have insulating resin composite protection layer 26, inductance coil 24 and input winding 22, exporting between winding 23 separately establishes aluminium foil guard screen 25 to isolate, aluminium foil guard screen 25 and protective casing 1, core limb 21, input winding 22, export winding 23, insulator 27 is all established between inductance coil 21 and aluminium foil guard screen 25.
Further, insulating radiation inserts 5 is separately established between described tap-changing windings 2 and protecting crust 1 body.
Further, described protective casing 1 outer surface establishes heating panel 6.
Further, when establishing multiple tap-changing windings 2 in described protective casing 1, then the input winding 22 between multiple tap-changing windings 2, output winding 23 are connected by bus bar 28, and are isolated by insulator 27 between adjacent bus bar 28.
This new structure is simple, rationally distributed, small in volume, and has good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little, and can meet the needs of larger current output, thus effectively raises wind power generation for electrical stability and reliability.
General principle and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a low-loss photovoltaic power generation transformer, it is characterized in that: described low-loss photovoltaic power generation transformer comprises protective casing and tap-changing windings, wherein said protective casing is confined space structure, and its upper surface establishes input terminal and outlet terminal, described tap-changing windings at least one and be positioned at protective casing, tap-changing windings comprises core limb, input winding, export winding and inductance coil, wherein said input winding is looped around on core limb, and distribute with core limb is concentric, described output winding is looped around outside input winding, and with input, winding is concentric distributes, and separately establish aluminium foil guard screen to isolate between described input winding and output winding, described inductance coil totally two sections, and distribute around core limb respectively, wherein one section of inductance coil one end and input windings in series, the other end is connected with input terminal, another section of described inductance coil one end and output windings in series, the other end is connected with outlet terminal, described input winding, output winding and inductance coil outer surface separately have insulating resin composite protection layer, described inductance coil and input winding, exporting between winding separately establishes aluminium foil guard screen to isolate, described aluminium foil guard screen and protective casing, core limb, input winding, export winding, all insulator is established between inductance coil and aluminium foil guard screen.
2. a kind of low-loss photovoltaic power generation transformer according to claim 1, is characterized in that, separately establish insulating radiation inserts between described tap-changing windings and protective casing.
3. a kind of low-loss photovoltaic power generation transformer according to claim 1, is characterized in that, described protective casing outer surface establishes heating panel.
4. a kind of low-loss photovoltaic power generation transformer according to claim 1, it is characterized in that, when establishing multiple tap-changing windings in described protective casing, then the input winding between multiple tap-changing windings, output winding are connected by bus bar, and are isolated by insulator between adjacent bus bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288371.4U CN204614630U (en) | 2015-05-07 | 2015-05-07 | A kind of low-loss photovoltaic power generation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288371.4U CN204614630U (en) | 2015-05-07 | 2015-05-07 | A kind of low-loss photovoltaic power generation transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204614630U true CN204614630U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520288371.4U Expired - Fee Related CN204614630U (en) | 2015-05-07 | 2015-05-07 | A kind of low-loss photovoltaic power generation transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204614630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225811A (en) * | 2015-10-21 | 2016-01-06 | 国家电网公司 | A kind of invention photovoltaic inversion transformer |
| CN105261464A (en) * | 2015-11-09 | 2016-01-20 | 国家电网公司 | Low-loss transformer for photovoltaic power generation |
-
2015
- 2015-05-07 CN CN201520288371.4U patent/CN204614630U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225811A (en) * | 2015-10-21 | 2016-01-06 | 国家电网公司 | A kind of invention photovoltaic inversion transformer |
| CN105261464A (en) * | 2015-11-09 | 2016-01-20 | 国家电网公司 | Low-loss transformer for photovoltaic power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20170507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |