CN202488013U - External combined-type transformer for wind power generation - Google Patents

External combined-type transformer for wind power generation Download PDF

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Publication number
CN202488013U
CN202488013U CN2012200885410U CN201220088541U CN202488013U CN 202488013 U CN202488013 U CN 202488013U CN 2012200885410 U CN2012200885410 U CN 2012200885410U CN 201220088541 U CN201220088541 U CN 201220088541U CN 202488013 U CN202488013 U CN 202488013U
Authority
CN
China
Prior art keywords
transformer
power generation
tension
wind power
high voltage
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
Application number
CN2012200885410U
Other languages
Chinese (zh)
Inventor
朱永利
郑瑞宏
仇宏海
何俊伟
梁哲明
杨文光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANAN (GROUP) CO Ltd NINGBO CITY
Original Assignee
TIANAN (GROUP) CO Ltd NINGBO CITY
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANAN (GROUP) CO Ltd NINGBO CITY filed Critical TIANAN (GROUP) CO Ltd NINGBO CITY
Priority to CN2012200885410U priority Critical patent/CN202488013U/en
Application granted granted Critical
Publication of CN202488013U publication Critical patent/CN202488013U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an external combined-type transformer for wind power generation. The external combined-type transformer for the wind power generation comprises a transformer oil tank, a high voltage cable chamber, a high voltage operation chamber and a low voltage operation chamber. A three-phase transformer, a high voltage load switch, and a tapping switch are disposed in the transformer oil tank, a low voltage switch cabinet is disposed in the low voltage operation chamber, and a high voltage fuse protector is disposed in the high voltage cable chamber. According to the external combined-type transformer for the wind power generation, an oil-immersed plug-in high voltage fuse protector which is large in volume and not convenient to maintain is eliminated from an original transformer oil tank, inner space of the oil tank and internal oil consumption are effectively reduced, and internal line-connection tends to be reasonable and reliable. Through utilization of the external high voltage fuse protector, high voltage protection function can be directly embodied, and performance achieves reliable guaranty. In the process of subsequent long actual operation, work such as maintaining, replacing, and the like is simplified, and overhauling speed is accelerated. Therefore, the external combined-type transformer for the wind power generation has the advantages of reliable performance, low production cost, safe usage, easy maintenance, and the like.

Description

A kind of externally positioned type used for wind power generation combined transformer
Technical field
The utility model belongs to design of transformer manufacturing technology field, is specifically related to a kind of externally positioned type used for wind power generation combined transformer.
Background technology
The used for wind power generation combined transformer is to be used for the wind-driven generator outlet side, with the electric equipment of voltage from being connected to the grid after low pressure rises to high pressure; As the used for wind power generation combined transformer of 35KV, voltage boosted to by 0.69KV and insert main transformer behind the 35KV or be connected to the grid.
Domestic existing used for wind power generation combined transformer is protected equipment because of requiring that high-tension fuse is installed at present, adopts oil immersion plug-in type high-tension fuse to realize this function usually; This high-tension fuse length is bigger simultaneously, and the fuel tank volume is increased, and the fuel tank internal space must fill transformer oil, and using oil mass mutually greatly increases; Use oil immersion plug-in type high-tension fuse also can bring in addition and be difficult for sealing, overhaul, safeguard the problems such as requiring overlong time of changing.
Summary of the invention
To the above-mentioned technological deficiency of existing in prior technology, the utility model provides a kind of externally positioned type used for wind power generation combined transformer, adopts the external high-tension fuse, effectively reduces fuel tank internal space and fuel consumption, dependable performance, and cost is low.
A kind of externally positioned type used for wind power generation combined transformer comprises oil tank of transformer; Described oil tank of transformer one side is provided with the high-tension cable chamber, and the front is provided with operation with high pressure chamber and low voltage operated chamber;
The high voltage load switch and the shunting switch that are provided with three-phase transformer in the described oil tank of transformer and link to each other with the high-pressure side of three-phase transformer; It is indoor that the operating side of described high voltage load switch and shunting switch all is positioned at operation with high pressure;
The described low voltage operated indoor low-tension switch cabinet that is provided with, described low-tension switch cabinet links to each other with the low-pressure side of three-phase transformer through low-tension bushing;
Described high-tension cable is indoor to be provided with three high-tension fuses, and an end of described high-tension fuse links to each other with high voltage load switch through bushing.
Preferably, the other end of described high-tension fuse is connected with high-voltage arrester, and it is indoor that described high-voltage arrester is positioned at high-tension cable; Can make equipment under thunder and lightning weather, avoid the harm of instantaneous overvoltage.
Preferably, the other end of described high-tension fuse is connected with high pressure sensor, and it is indoor that described high pressure sensor is positioned at high-tension cable; Can three-phase signal be provided for other equipment.
Preferably, described oil tank of transformer another side and back are equipped with gilled radiator; Can guarantee the heat dispersion of transformer.
Preferably, a casing is respectively made in described high-tension cable chamber, operation with high pressure chamber and low voltage operated chamber, and is connected in aggregates with oil tank of transformer through bolt; Compact conformation, good looking appearance.
Described high-tension fuse is the air-insulated type high-tension fuse.
The number of described low-tension bushing is four.
The utility model has been cancelled the oil immersion plug-in type high-tension fuse that the about annular volume of former oil tank of transformer is big, safeguard inconvenience, effectively reduces the fuel tank internal space, has reduced inner fuel consumption and corresponding high-pressure connection line, makes interconnector be tending towards rationally reliable; After the utility model adopts the external high-tension fuse simultaneously, can be so that the high voltage protective function be able to embodiment directly perceived, performance is reliably guaranteed; In follow-up long-time actual moving process, work such as maintenance, replacing are able to simplify, and have accelerated the speed of maintenance; Advantages such as have dependable performance, production cost is low, and is safe in utilization, easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the sectional view of Fig. 1 along AA ' direction.
Embodiment
In order to describe the utility model more particularly, be elaborated below in conjunction with accompanying drawing and embodiment technical scheme to the utility model.
As depicted in figs. 1 and 2, a kind of externally positioned type used for wind power generation combined transformer comprises oil tank of transformer 1; Oil tank of transformer 1 left surface is provided with high-tension cable chamber 2, and leading flank is provided with operation with high pressure chamber 3 and low voltage operated chamber 4; A casing is respectively made in high-tension cable chamber 2, operation with high pressure chamber 3 and low voltage operated chamber 4, and is connected in aggregates through bolt with oil tank of transformer 1.
The high voltage load switch 6 and the shunting switch 7 that are provided with three-phase transformer 5 in the oil tank of transformer 1 and link to each other with the high-pressure side of three-phase transformer 5; And be marked with the transformer oil of regulation in the oil tank of transformer 1.
The operating grip of high voltage load switch 6 and shunting switch 7 all is positioned at operation with high pressure chamber 3.
Be provided with low-tension switch cabinet 9 and four low-tension bushings 8 in the low voltage operated chamber 4; Low-tension bushing 8 one ends link to each other with the low-pressure side of three-phase transformer 5, and the other end links to each other with low-tension switch cabinet 9.
Be provided with three bushings 10, three high pressure sensors 13, three air-insulated type high-tension fuses 12 and three high-voltage arresters 14 in the high-tension cable chamber 2; One end of bushing 10 links to each other with high voltage load switch 6, and the other end links to each other with an end of air-insulated type high-tension fuse 12, and the other end of air-insulated type high-tension fuse 12 links to each other with corresponding three-phase high-voltage cable through busbar 15; High-voltage arrester 14 1 ends link to each other other end ground connection with the other end of air-insulated type high-tension fuse 12; One end of high pressure sensor 13 links to each other other end ground connection with the other end of air-insulated type high-tension fuse 12.
Oil tank of transformer 1 right flank is provided with a gilled radiator 11, and trailing flank is provided with three gilled radiators 11.
The low-pressure air power generator is connected with low-tension switch cabinet 9; After electricity sends from wind-driven generator; Through low-tension switch cabinet 9 and the low-pressure side of low-tension bushing 8 to three-phase transformer 5; Three-phase transformer 5 is exported the electric pressure of electricity after 0.69KV boosts to 35KV from the high-pressure side, through high voltage load switch 6, bushing 10, high-tension fuse 12, be connected to the grid through high-tension cable at last successively.

Claims (7)

1. an externally positioned type used for wind power generation combined transformer comprises oil tank of transformer (1); It is characterized in that: described oil tank of transformer (1) one side is provided with high-tension cable chamber (2), and the front is provided with operation with high pressure chamber (3) and low voltage operated chamber (4);
The high voltage load switch (6) and the shunting switch (7) that are provided with three-phase transformer (5) in the described oil tank of transformer (1) and link to each other with the high-pressure side of three-phase transformer (5); The operating side of described high voltage load switch (6) and shunting switch (7) all is positioned at operation with high pressure chamber (3);
Be provided with low-tension switch cabinet (9) in the described low voltage operated chamber (4), described low-tension switch cabinet (9) links to each other with the low-pressure side of three-phase transformer (5) through low-tension bushing (8);
Be provided with three high-tension fuses (12) in the described high-tension cable chamber (2), an end of described high-tension fuse (12) links to each other with high voltage load switch (6) through bushing (10).
2. externally positioned type used for wind power generation combined transformer according to claim 1 is characterized in that: described oil tank of transformer (1) another side is equipped with gilled radiator (11) with the back.
3. externally positioned type used for wind power generation combined transformer according to claim 1; It is characterized in that: a casing is respectively made in described high-tension cable chamber (2), operation with high pressure chamber (3) and low voltage operated chamber (4), and is connected in aggregates through bolt with oil tank of transformer (1).
4. externally positioned type used for wind power generation combined transformer according to claim 1 is characterized in that: the number of described low-tension bushing (8) is four.
5. externally positioned type used for wind power generation combined transformer according to claim 1 is characterized in that: the other end of described high-tension fuse (12) is connected with high-voltage arrester (14), and described high-voltage arrester (14) is positioned at high-tension cable chamber (2).
6. externally positioned type used for wind power generation combined transformer according to claim 1 is characterized in that: the other end of described high-tension fuse (12) is connected with high pressure sensor (13), and described high pressure sensor (13) is positioned at high-tension cable chamber (2).
7. according to claim 1,5 or 6 described externally positioned type used for wind power generation combined transformers, it is characterized in that: described high-tension fuse (12) is the air-insulated type high-tension fuse.
CN2012200885410U 2012-03-09 2012-03-09 External combined-type transformer for wind power generation Expired - Fee Related CN202488013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200885410U CN202488013U (en) 2012-03-09 2012-03-09 External combined-type transformer for wind power generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200885410U CN202488013U (en) 2012-03-09 2012-03-09 External combined-type transformer for wind power generation

Publications (1)

Publication Number Publication Date
CN202488013U true CN202488013U (en) 2012-10-10

Family

ID=46962404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200885410U Expired - Fee Related CN202488013U (en) 2012-03-09 2012-03-09 External combined-type transformer for wind power generation

Country Status (1)

Country Link
CN (1) CN202488013U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500629A (en) * 2013-09-27 2014-01-08 四川风发电气科技有限公司 Oil-immersed transformer for wind turbine system
CN104377015A (en) * 2014-12-09 2015-02-25 宁波和泰电气有限公司 Internal-fuse combined transformer for photovoltaic power generation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500629A (en) * 2013-09-27 2014-01-08 四川风发电气科技有限公司 Oil-immersed transformer for wind turbine system
CN104377015A (en) * 2014-12-09 2015-02-25 宁波和泰电气有限公司 Internal-fuse combined transformer for photovoltaic power generation

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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: 20121010

Termination date: 20180309

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