CN207367763U - Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages - Google Patents
Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages Download PDFInfo
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- CN207367763U CN207367763U CN201721512962.0U CN201721512962U CN207367763U CN 207367763 U CN207367763 U CN 207367763U CN 201721512962 U CN201721512962 U CN 201721512962U CN 207367763 U CN207367763 U CN 207367763U
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Abstract
A kind of ocean platform changes input Multiple coil dry-type transformer with 6 10kV twin voltages, its high-voltage winding, press winding, low pressure winding to be arranged in order in concentric type arrangement in two;High-voltage winding is tap-changing windings, and asymmetric sub-winding structure realizes being changed by power mode for 10kV and 6kV;Avoid trouble and the waste of newly-increased transformer;Structure and wiring are simple, easy to implement, and loss is low, cost is few, and floor space is small;There is the three proofings of " salt spray proof, mould proof, anti-damp and hot ".
Description
Technical field
Ocean platform transformer correlative technology field is the utility model is related to, especially a kind of ocean platform 6-10kV
Twin voltage conversion input Multiple coil dry-type transformer.
Background technology
Ocean platform operation has been a kind of now common form.It is miscellaneous to load due to species not on platform
It is larger with capacity volume variance.The more transformers therefore, it is necessary to be equipped with different capabilities complete the power supply to various loads.Platform space
It is limited, cause when selecting dry-type distribution transformer, in addition to considering performance as defined in country and professional standard, also to meet
Small appearance and size requirement.
In addition, when the system voltage of platform changes, it is necessary to which the transformer for replacing relevant voltage grade is matched somebody with somebody with reaching
The requirement of electricity, it is necessary to reach the adjustment control target of system voltage by increasing new transformer, former transformer is idle.And work as
System recovers original supply voltage again when, the transformer being newly equipped with becomes stand-by equipment again, causes waste.
With continuously improving for transformer technology, the transformer for possessing certain voltage regulation function arises, and applies in bag
Include many fields of ocean platform operation.But there are the problem of be also apparent from.Such as:The winding aerial lug form of transformer
Limit the rated value of voltage(10.5kV)If expect the voltage class different from rated value(10kV), then tap is changed
Propose the requirement of higher;Pressure regulation for sub-winding form, common mode still based on symmetrical, so can also be led
Cause complicated, of high cost, security reliability the is poor result of transformer connection.
Utility model content
The purpose of this utility model is to provide a kind of ocean platform 6-10kV twin voltages to change input Multiple coil dry type
Transformer, it can be that a kind of structure and winding connection are simple, by varying the mode of connection with overcome the deficiencies in the prior art
Reach the transformer that the level conversion purposes such as twin voltage can be achieved with a transformer.
The technical solution of the utility model:A kind of ocean platform changes input Multiple coil dry type transformation with 6-10kV twin voltages
Device, including high-voltage winding, middle pressure winding, low pressure winding, iron core and base, it is characterised in that the high-voltage winding, middle pressure winding,
Low pressure winding is arranged in order to be installed on base in concentric type arrangement, its arrangement mode is followed successively by iron core, low from inside to outside
Press winding, middle pressure winding, high-voltage winding;Each phase of the high-voltage winding includes top-down three asymmetric sub-windings;
Three asymmetric sub-windings refer to two neighboring sub-winding and be twice of the 3rd sub-winding;Described 3rd point around
The conductor cross sectional area of group is twice of two identical adjacent sub-winding conductor cross sectional areas of the number of turn.
According to the triangle winding construction of high pressure " D " connecting line between the three-phase windings of the high-voltage winding 3.
Each phase high-voltage winding includes top-down three asymmetric sub-windings, is sub-winding I, sub-winding respectively
II and sub-winding III;The connection mode of three sub-windings be connected in series or connection in series-parallel connection.
Described be connected in series refers to that sub-winding I, sub-winding II and sub-winding III are connected according to being connected in series piece successively;It is described
The head end A2 of the tail end X1 and sub-winding II of sub-winding I are connected according to piece is connected in series;The tail end X2 of the sub-winding I and sub-winding
The head end A3 of II is connected in series piece connection according to another;The tail end X of the head end A and sub-winding III of the sub-winding I respectively with power grid
Connection is, it can be achieved that the electric means of 10kV voltage class.
The connection in series-parallel connection refers to be connected with the 3rd windings in series after two neighboring winding is parallel with one another.
Connection in series-parallel connection refer to sub-winding II and sub-winding III according to be connected in parallel bar it is parallel with one another after and sub-winding I
It is connected in series;Wherein, the head end A3 of the head end A2 and sub-winding III of the sub-winding II are connected according to bar is connected in parallel, the two
Tail end X2 is connected with tail end X3 according to another bar that is connected in parallel;The tail end X1 of the head end A2 and sub-winding I of the sub-winding II are according to string
Join connection sheet connection;The tail end X of the head end A and sub-winding III of the sub-winding I are connected with power grid, it can be achieved that 6kV voltages respectively
The electric means of grade.
The adjustable voltage grade of medium pressure winding is 1.26 kV or 1.05 kV, can also be met at the same time;The low pressure
The adjustable voltage grade of winding is 0.4 kV.
Medium pressure winding is two, and the voltage class of described two middle pressure windings is respectively 1.26 kV and 1.05 kV,
It can meet the electric means of the electric submersible pump that 1.26 kV and 1.05 kV voltage class are different on ocean platform respectively.
Ocean platform is that a high-tension coil, multiple intermediate voltage windings, a low-voltage coil are same successively with multiwinding transformer
Core type is arranged, and a transformer can meet that platform illumination and a variety of screw pumps, compound pump even load use.This middle pressure of this case
Winding is placed on centre, and so middle pressure winding cannot be with tap-changing windings, and the high-voltage winding in outside is tap-changing windings.
The superiority of the utility model:
(1)High-voltage winding as tap-changing windings, by asymmetric sub-winding structure realize 10kV and 6kV by electric mould
The conversion of formula;The trouble of newly-increased transformer and waste caused by avoiding the conversion of ocean platform voltage class of electric power system;Structure
It is easy to implement and wiring is simple, it is particularly suitable for the environment for there are 6-10kV twin voltage conversion requirements on ocean platform;
(2)One high-tension coil, multiple intermediate voltage windings, a low-voltage coil make that concentric type is arranged successively make one
Platform transformer can meet that platform illumination and a variety of screw pumps, compound pump even load use;
(3)Product no-load loss reduces by 50%, and load loss reduces by 3%, and main material dosage reduces 30%, and floor space is reduced about
50%。
(4)There is the three proofings of " salt spray proof, mould proof, anti-damp and hot ".
Brief description of the drawings
Fig. 1 changes input Multiple coil dry-type transformer for a kind of 6-10kV twin voltages of ocean platform involved by the utility model
10kV input voltages when high-pressure side winding connection diagram.
Fig. 2 changes input Multiple coil dry-type transformer for a kind of 6-10kV twin voltages of ocean platform involved by the utility model
6kV input voltages when high-pressure side winding connection diagram.
Fig. 3 changes input Multiple coil dry-type transformer for a kind of 6-10kV twin voltages of ocean platform involved by the utility model
Iron core and winding relative position structure diagram.
Wherein, 1 is iron core;2 be core clamping;3 be high-voltage winding;4 be high pressure " D " connecting line;5 be to be connected in series piece;6
For base;7 be to be connected in parallel bar;8 be middle pressure winding;9 be low pressure winding.
Embodiment
Embodiment:A kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages(See Fig. 1, Fig. 2),
Including high-voltage winding 3, middle pressure winding 8, low pressure winding 9, iron core 1 and base 6, it is characterised in that the high-voltage winding 3, middle pressure around
Group 8, low pressure winding 9 are arranged in order to be installed on base 6 in concentric type arrangement, its arrangement mode(See Fig. 3)From inside to outside
It is followed successively by iron core 1, low pressure winding 9, middle pressure winding 8, high-voltage winding 10;Each phase of the high-voltage winding includes top-down
Three asymmetric sub-windings;Three asymmetric sub-windings refer to two neighboring sub-winding and be the two of the 3rd sub-winding
Times;The conductor cross sectional area of 3rd sub-winding is twice of two identical adjacent sub-winding conductor cross sectional areas of the number of turn.
According to the triangle winding construction of high pressure " D " connecting line between the three-phase windings of the high-voltage winding 3.
Each phase high-voltage winding includes top-down three asymmetric sub-windings, is sub-winding I2-I respectively, divides
Winding II2-II and sub-winding III2-III;The connection mode of three sub-windings be connected in series or connection in series-parallel connection.
Described be connected in series refers to sub-winding I2-I, sub-winding II2-II and sub-winding III2-III successively according to being connected in series
Piece 5 connects;The head end A2 of the tail end X1 and sub-winding II2-II of the sub-winding I2-I are connected according to piece 5 is connected in series;Described point
The head end A3 of the tail end X2 and sub-winding II2-III of winding I2-II are connected according to another piece 5 that is connected in series;The sub-winding I2-I
Head end A and the tail end X of sub-winding III2-III be connected respectively with power grid, it can be achieved that the electric means of 10kV voltage class(See
Fig. 1).
Described be connected in parallel refers to be connected with the 3rd windings in series after two neighboring winding is parallel with one another.
It is described be connected in parallel refer to sub-winding II2-II and sub-winding III2-III according to be connected in parallel bar 7 it is parallel with one another after with
Sub-winding I2-I is connected in series;Wherein, the head end A3 of the head end A2 and sub-winding III2-III of the sub-winding II2-II are according to simultaneously
Connection connecting rod 7 connects, and the tail end X2 and tail end X3 of the two are connected according to another bar 7 that is connected in parallel;The head of the sub-winding II2-II
The tail end X1 of end A2 and sub-winding I2-I is connected according to piece 5 is connected in series;The head end A and sub-winding III2- of the sub-winding I2-I
The tail end X of III is connected respectively with power grid, it can be achieved that the electric means of 6kV voltage class(See Fig. 2).
The adjustable voltage grade of medium pressure winding 8 is 1.26 kV or 1.05 kV, can also be met at the same time;The low pressure
The adjustable voltage grade of winding 9 is 0.4 kV.
Medium pressure winding 8 is two, and voltage class is respectively 1.26 kV and 1.05 kV, can meet ocean platform respectively
The electric means of upper 1.26 kV and the different electric submersible pump of 1.05 kV voltage class.
Claims (8)
1. a kind of ocean platform with 6-10kV twin voltages change input Multiple coil dry-type transformer, including high-voltage winding, it is middle pressure around
Group, low pressure winding, iron core and base, it is characterised in that the high-voltage winding, middle pressure winding, low pressure winding are arranged in order in concentric
Formula arrangement is installed on base, its arrangement mode is followed successively by iron core, low pressure winding, middle pressure winding, high voltage winding from inside to outside
Group;The high-voltage winding is tap-changing windings, its each phase includes top-down three asymmetric sub-windings;Described three not right
Claim sub-winding refer to two neighboring sub-winding and be twice of the 3rd sub-winding;The cross-sectional area of conductor of 3rd sub-winding
Product is twice of two identical adjacent sub-winding conductor cross sectional areas of the number of turn.
2. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 1, its
It is characterized in that between the three-phase windings of the high-voltage winding according to the triangle winding construction of high pressure " D " connecting line.
3. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 2, its
It is characterized in that each phase high-voltage winding includes top-down three asymmetric sub-windings, is sub-winding I, sub-winding respectively
II and sub-winding III;The connection mode of three sub-windings be connected in series or connection in series-parallel connection.
4. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 3, its
It is characterized in that described be connected in series refers to that sub-winding I, sub-winding II and sub-winding III are connected according to being connected in series piece successively;It is described
The head end A2 of the tail end X1 and sub-winding II of sub-winding I are connected according to piece is connected in series;The tail end X2 of the sub-winding I and sub-winding
The head end A3 of II is connected in series piece connection according to another;The tail end X of the head end A and sub-winding III of the sub-winding I respectively with power grid
Connection, it can be achieved that on ocean platform 10kV voltage class electric means.
5. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 3, its
It is characterized in that the connection in series-parallel connection refers to be connected with the 3rd windings in series after two neighboring winding is parallel with one another.
6. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 5, its
Be characterized in that connection in series-parallel connection refer to sub-winding II and sub-winding III according to be connected in parallel bar it is parallel with one another after and sub-winding I
It is connected in series;Wherein, the head end A3 of the head end A2 and sub-winding III of the sub-winding II are connected according to bar is connected in parallel, the two
Tail end X2 is connected with tail end X3 according to another bar that is connected in parallel;The tail end X1 of the head end A2 and sub-winding I of the sub-winding II are according to string
Join connection sheet connection;The tail end X of the head end A and sub-winding III of the sub-winding I are connected with power grid, it can be achieved that ocean is put down respectively
The electric means of 6kV voltage class on platform.
7. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 1, its
It is two to be characterized in that medium pressure winding, and the voltage class of described two middle pressure windings is respectively 1.26 kV and 1.05 kV,
It can meet the electric means of the electric submersible pump that 1.26 kV and 1.05 kV voltage class are different on ocean platform respectively.
8. a kind of ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages according to claim 1, its
The voltage class for being characterized in that the low pressure winding is 0.4 kV, can meet that the power of 0.4 kV voltage class on ocean platform shines
Bright electric means.
Priority Applications (1)
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CN201721512962.0U CN207367763U (en) | 2017-11-13 | 2017-11-13 | Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages |
Applications Claiming Priority (1)
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CN201721512962.0U CN207367763U (en) | 2017-11-13 | 2017-11-13 | Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages |
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CN207367763U true CN207367763U (en) | 2018-05-15 |
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CN201721512962.0U Expired - Fee Related CN207367763U (en) | 2017-11-13 | 2017-11-13 | Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111816428A (en) * | 2020-06-19 | 2020-10-23 | 山东电力设备有限公司 | 220KV three-winding medium-voltage dual-voltage transformer lead structure |
-
2017
- 2017-11-13 CN CN201721512962.0U patent/CN207367763U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111816428A (en) * | 2020-06-19 | 2020-10-23 | 山东电力设备有限公司 | 220KV three-winding medium-voltage dual-voltage transformer lead structure |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20191113 |