CN202585047U - Split rectifier transformer winding - Google Patents

Split rectifier transformer winding Download PDF

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Publication number
CN202585047U
CN202585047U CN 201220251334 CN201220251334U CN202585047U CN 202585047 U CN202585047 U CN 202585047U CN 201220251334 CN201220251334 CN 201220251334 CN 201220251334 U CN201220251334 U CN 201220251334U CN 202585047 U CN202585047 U CN 202585047U
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China
Prior art keywords
winding
coil
branch
rectifier transformer
layer
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Application number
CN 201220251334
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Chinese (zh)
Inventor
郑建银
蒋忠金
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NANJING DAQO TRANSFORMER SYSTEMS CO., LTD.
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郑建银
蒋忠金
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Priority to CN 201220251334 priority Critical patent/CN202585047U/en
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Abstract

The utility model belongs to the field of transformers and in particular relates to a split rectifier transformer winding. The split rectifier transformer winding comprises a secondary winding and a primary winding, and is characterized in that the primary winding has an integral structure; the secondary winding is provided with an inner layer and an outer layer; each layer of the winding is provided with an upper branch and a lower branch; a coil of the upper branch of the secondary winding on the inner layer is connected in series with a coil of the lower branch of the secondary winding on the outer layer; and the coil of the upper branch of the secondary winding on the outer layer is connected in series with the coil of the lower branch of the secondary winding on the inner layer. The split rectifier transformer winding integrates the advantages of axial and radial split winding structures, reduces eddy-current loss inside the winding and avoids material waste; and the high-voltage coil has an integral structure, and the low-voltage coil is not limited by a wiring mode.

Description

A kind of winding that divides the formula rectifier transformer
Technical field
The utility model belongs to field transformer, relates in particular to a kind of high and low pressure winding that divides the formula rectifier transformer.
Background technology
The winding construction of traditional dual low voltage transformer mainly contains two kinds, and the axial split formula structure and the width of cloth are to division formula structure, and specific constructive form is respectively like Fig. 1 and Fig. 2.Its secondary winding is generally low-voltage 400V or 690V, and according to the size of transformer capacity, its current value is relatively large, and coil adopts paper tinsel formula winding mostly.Transform on division formula architecture basis in the traditional axial split formula structure or the width of cloth, transform structure as shown in Figure 3 as, i.e. two of low pressure winding material coilings together separated with insulating material in the middle of the while, guaranteed electric aspect independent operating.
When adopting axial split formula structure (like Fig. 1), owing to receive the restriction of height, the Copper Foil of winding is thicker, and it is bigger influenced by its end field intensity, and the inner eddy current loss of Copper Foil also increases thereupon, causes the part waste of material.And this structure must be designed to upper and lower outlet, and for guaranteeing ampere-turn equilibrium, one time winding also need be designed to upper and lower two parts, and pin configuration is also comparatively complicated.
Adopt the width of cloth when division formula structure (like Fig. 2), the height of Copper Foil is higher, and thickness can be 1/2 of axial split formula structure, and the eddy current loss of Copper Foil obviously reduces, and pin configuration is simplified than the former relatively.But in order to make the resistance value between two windings approaching as far as possible, certainly will will regulate the main empty path distance between each winding, cause the coiling radius of coil to increase, waste of material is comparatively serious.
Adopt and during to division formula structure (like Fig. 3),, can be good at coupling, effectively controlled the eddy current loss of wire rod because the insulation radius of two coils is very approaching around the width of cloth.It is equal fully that but this structure can only be used for the number of turn of two windings of low pressure, promptly two low pressure windings must connect for " Y " simultaneously or " d " connect mode, so the scope of application is restricted.
The utility model content
The purpose of the utility model is to overcome the problems referred to above, the winding that provide a kind of and guarantee transformer parameter preferably, practices thrift winding material, the low pressure mode of connection divides the formula rectifier transformer more flexibly.
To achieve these goals; The technical scheme that the utility model adopted is: a kind of winding that divides the formula rectifier transformer; Comprise secondary winding and first winding; It is characterized in that: described first winding is a monolithic construction, and described secondary winding is provided with inside and outside two-layer, and every layer of winding is equipped with upper and lower two branches; The following branch coil of attending branch's coil and outer secondary winding of internal layer secondary winding is connected in series and constitutes a secondary coil, and the following branch coil of attending branch's coil and internal layer secondary winding of outer secondary winding is connected in series and constitutes a secondary coil.
Aforesaid a kind of winding that divides the formula rectifier transformer, described secondary winding is the low pressure winding.
Aforesaid a kind of winding that divides the formula rectifier transformer, described two secondary coils have the electric part of independent operating.
Aforesaid a kind of winding that divides the formula rectifier transformer, described two secondary coils have equal reactance height.
Aforesaid a kind of winding that divides the formula rectifier transformer; When being respectively d, two winding wiring modes of secondary winding connect when connecing with Y; The secondary winding number of turn meets following equality: wherein m1 be the coil turn of attending branch of internal layer secondary winding; M2 is the coil turn of the following branch of outer secondary winding; N1 is the coil turn of attending branch of outer secondary winding, and n2 is the coil turn of the following branch of internal layer secondary winding.
The utility model combines and axially reaches the advantage of the width of cloth to division formula winding construction; Two secondary coils adopt the structure of upper and lower and inside and outside series connection; Both guaranteed the ampere-turn equilibrium of coil; The winding impedance of upper and lower division is also very approaching, has not only improved the inner eddy current loss of winding but also has avoided the waste of material.Connect at one group of secondary coil " Y "; Another is organized under the situation about connecing for " d "; The low-voltage coil number of turn low-voltage coil does not receive the restriction of the mode of connection, and the mode of connection is more flexible.This utility model structure can be applicable to high pressure 35kV or 10kV, low pressure is on the 12 pulse wave rectifier transformers of 400V or 690V.
Description of drawings
Fig. 1 is the structure chart of conventional axial division formula winding;
Fig. 2 is the structure chart of traditional width of cloth to division formula winding;
Fig. 3 is and around the structure chart of the width of cloth to division formula winding;
Fig. 4 is the winding construction figure of the division formula rectifier transformer of the utility model;
Wherein, 1 secondary winding is outer, 2 secondary winding internal layers, 3 first windings; The outer secondary winding of 1a attendes branch, branch under the outer secondary winding of 1b, and 2a internal layer secondary winding attendes branch; Branch under the 2b internal layer secondary winding, y secondary winding, the first winding of D; The Y mode of connection, the d mode of connection, the coil turn of attending branch of m1 internal layer secondary winding; The coil turn of the following branch of the outer secondary winding of m2, the coil turn of attending branch of the outer secondary winding of n1, the coil turn of the following branch of n2 internal layer secondary winding.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Fig. 1 is upper and lower designing two portions for the structure chart of conventional axial division formula winding, secondary winding y and first winding D.
Fig. 2 is the structure chart of traditional width of cloth to division formula winding, and secondary winding y is two-layer, is respectively secondary winding outer 1 and secondary winding internal layer 2, and first winding D is a monolithic construction.
Fig. 3 is and around the structure chart of the width of cloth to division formula winding, secondary winding y is provided with insulation radius very approaching secondary winding outer 1 and secondary winding internal layer 2, and first winding D is a monolithic construction.Secondary winding outer 1 must connect for " Y " simultaneously with secondary winding internal layer 2 or " d " connect, the scope of application is restricted.
Fig. 4 is the winding construction figure of the division formula rectifier transformer of the utility model; Comprise secondary winding y and first winding D; It is characterized in that: described first winding D is a monolithic construction, and described secondary winding y is provided with inside and outside two-layer, and every layer of winding is equipped with upper and lower two branches; The following 1b of the branch coil that the internal layer secondary winding attendes 2a of branch and outer secondary winding is connected in series and constitutes a secondary coil; This secondary coil mode of connection is that d connects (being corner connection), and outer secondary winding attendes under the 1a of branch coil and the internal layer secondary winding branch's 2b coil and is connected in series and constitutes another secondary coil, and this secondary coil mode of connection is that Y connects (being that star connects).Secondary winding y is the low pressure winding, and first winding D is the low pressure winding.Two above-mentioned secondary coils have the electric part of independent operating.Two secondary coils have equal reactance height, and the insulation radius is very approaching.When being respectively d, the two winding wiring modes of secondary winding y connect when connecing with Y; Fig. 4 illustrates d and connects the mode that connects with Y; The secondary winding number of turn meets following equality: wherein m1 be the coil turn of attending branch of internal layer secondary winding; M2 is the coil turn of the following branch of outer secondary winding; N1 is the coil turn of attending branch of outer secondary winding, and n2 is the coil turn of the following branch of internal layer secondary winding.
The utility model combines and axially reaches the advantage of the width of cloth to division formula winding construction, and the eddy current loss of having improved winding inside has been avoided the waste of material again, and high-tension coil is an overall structure, and low-voltage coil does not receive the restriction of the mode of connection.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drops on the protection range of the utility model.

Claims (5)

1. winding that divides the formula rectifier transformer; Comprise secondary winding and first winding; It is characterized in that: described first winding is a monolithic construction; Described secondary winding is provided with inside and outside two-layer; Every layer of winding is equipped with upper and lower two branches, and the following branch coil of attending branch's coil and outer secondary winding of internal layer secondary winding is connected in series and constitutes a secondary coil, and the following branch coil of attending branch's coil and internal layer secondary winding of outer secondary winding is connected in series and constitutes a secondary coil.
2. a kind of winding that divides the formula rectifier transformer according to claim 1 is characterized in that: described secondary winding is the low pressure winding.
3. a kind of winding that divides the formula rectifier transformer according to claim 1 is characterized in that: described two secondary coils have the electric part of independent operating.
4. a kind of winding that divides the formula rectifier transformer according to claim 1 is characterized in that: described two secondary coils have equal reactance height.
5. a kind of winding that divides the formula rectifier transformer according to claim 1; It is characterized in that; When being respectively d, two winding wiring modes of secondary winding connect when connecing with Y; The secondary winding number of turn meets following equality: wherein m1 be the coil turn of attending branch of internal layer secondary winding; M2 is the coil turn of the following branch of outer secondary winding; N1 is the coil turn of attending branch of outer secondary winding, and n2 is the coil turn of the following branch of internal layer secondary winding.
CN 201220251334 2012-05-30 2012-05-30 Split rectifier transformer winding Active CN202585047U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201220251334 CN202585047U (en) 2012-05-30 2012-05-30 Split rectifier transformer winding

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104795216A (en) * 2015-04-14 2015-07-22 国家电网公司 Transformer coil based on composite conductor
CN105070491A (en) * 2015-08-24 2015-11-18 宁波奥克斯高科技有限公司 Double-splitting photovoltaic variable structure
CN105590734A (en) * 2016-02-27 2016-05-18 广东广特电气股份有限公司 Axial double-split dry-type transformer coil structure with same connection groups and winding method
CN106531422A (en) * 2016-10-17 2017-03-22 清华大学 Split reactor with two symmetric branches
CN109727754A (en) * 2017-10-30 2019-05-07 特变电工沈阳变压器集团有限公司 A kind of loop construction and its winding method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104795216A (en) * 2015-04-14 2015-07-22 国家电网公司 Transformer coil based on composite conductor
CN105070491A (en) * 2015-08-24 2015-11-18 宁波奥克斯高科技有限公司 Double-splitting photovoltaic variable structure
CN105590734A (en) * 2016-02-27 2016-05-18 广东广特电气股份有限公司 Axial double-split dry-type transformer coil structure with same connection groups and winding method
CN106531422A (en) * 2016-10-17 2017-03-22 清华大学 Split reactor with two symmetric branches
CN109727754A (en) * 2017-10-30 2019-05-07 特变电工沈阳变压器集团有限公司 A kind of loop construction and its winding method

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GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20130124

Address after: 211100 No. 28, long hidden Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu

Patentee after: NANJING DAQO TRANSFORMER SYSTEMS CO., LTD.

Address before: Jiangning District of Nanjing City, Jiangsu province 211100 streets moling Wuyi oasis tours Gui Yuan building 21 room 1103

Patentee before: Zheng Jianyin

Patentee before: Jiang Zhongjin

ASS Succession or assignment of patent right

Owner name: DAQUAN TRANSFORMER CO., LTD., NANJING

Free format text: FORMER OWNER: ZHENG JIANYIN

Effective date: 20130124

Free format text: FORMER OWNER: JIANG ZHONGJIN

Effective date: 20130124

C41 Transfer of patent application or patent right or utility model