CN204614636U - A kind of low-loss photovoltaic power generation transformer - Google Patents

A kind of low-loss photovoltaic power generation transformer Download PDF

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Publication number
CN204614636U
CN204614636U CN201520369800.0U CN201520369800U CN204614636U CN 204614636 U CN204614636 U CN 204614636U CN 201520369800 U CN201520369800 U CN 201520369800U CN 204614636 U CN204614636 U CN 204614636U
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CN
China
Prior art keywords
winding
input
inductance coil
protective casing
tap
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Expired - Fee Related
Application number
CN201520369800.0U
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Chinese (zh)
Inventor
李江峰
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Zhejiang Di Sheng New Energy Technology Co Ltd
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Zhejiang Di Sheng New Energy Technology Co Ltd
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Priority to CN201520369800.0U priority Critical patent/CN204614636U/en
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Expired - Fee Related legal-status Critical Current
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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 iron core column, input winding, export winding and inductance coil, input winding is looped around in iron core column, 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 wound core post distributes, 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.The utility model structure is simple, and small in volume also has good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little and can meet larger current and export needs, thus effectively improves photovoltaic generation for electrical stability and reliability.

Description

A kind of low-loss photovoltaic power generation transformer
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, current transformer volume and deadweight are more greatly and operationally owing to lacking necessary safeguard procedures, transformer is caused to there is serious eddy current loss and leakage inductance phenomenon, thus it is comparatively large to result in energy loss when transformer runs, operating efficiency is relatively low.Therefore in the urgent need to developing the needs that a kind of novel high-efficiency photovoltaic generating transformer uses with satisfied reality.
Utility model content
For the deficiency that prior art exists, the utility model provides a kind of low-loss photovoltaic power generation transformer.The utility model structure is simple, and rationally distributed, volume is little, lightweight and have good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little and can meet the needs that larger current exports, thus effectively improves photovoltaic 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 iron core column, input winding, export winding and inductance coil, wherein input winding to be looped around in iron core column and to distribute with iron core column is concentric, export winding to be looped around outside input winding and winding is concentric distributes with input, and separately establish aluminium foil guard screen to isolate between input winding and output winding, inductance coil is totally two sections of also wound core post distributions 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, iron core column, 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.
The utility model structure is simple, and rationally distributed, volume is little, lightweight and have good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little and can meet the needs that larger current exports, thus effectively improves photovoltaic 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 the utility model structural representation.
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 for confined space structure and its upper surface establishes input terminal 3 and outlet terminal 4, tap-changing windings 2 at least one and be positioned at protective casing 1, tap-changing windings 2 comprises iron core column 21, input winding 22, export winding 23 and inductance coil 24, wherein input winding 22 to be looped around in iron core column 21 and to distribute with iron core column 21 is concentric, export winding 23 to be looped around outside input winding 22 and winding 22 is concentric distributes with input, 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 respectively wound core post 21 distribute, 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, iron core column 21, input winding 22, export winding 23, insulator 27 is all established between inductance coil 24 and aluminium foil guard screen 25.
Further, insulating radiation inserts 5 is separately established between described tap-changing windings 2 and protective casing 1.
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.
The utility model structure is simple, and rationally distributed, volume is little, lightweight and have good Short Circuit withstand, antijamming capability, and electromagnetic eddy loss is little and can meet the needs that larger current exports, thus effectively improves photovoltaic generation for electrical stability and reliability.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand, and 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.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, described tap-changing windings comprises iron core column, input winding, export winding and inductance coil, wherein said input winding to be looped around in iron core column and to distribute with described iron core column is concentric, described output winding is looped around outside input winding and winding is concentric distributes with input, 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 described iron core column 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, iron core column, 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.
CN201520369800.0U 2015-05-29 2015-05-29 A kind of low-loss photovoltaic power generation transformer Expired - Fee Related CN204614636U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520369800.0U CN204614636U (en) 2015-05-29 2015-05-29 A kind of low-loss photovoltaic power generation transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520369800.0U CN204614636U (en) 2015-05-29 2015-05-29 A kind of low-loss photovoltaic power generation transformer

Publications (1)

Publication Number Publication Date
CN204614636U true CN204614636U (en) 2015-09-02

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150902

Termination date: 20170529

CF01 Termination of patent right due to non-payment of annual fee