CN108806958A - Dry-type high-voltage transformer - Google Patents
Dry-type high-voltage transformer Download PDFInfo
- Publication number
- CN108806958A CN108806958A CN201810921672.4A CN201810921672A CN108806958A CN 108806958 A CN108806958 A CN 108806958A CN 201810921672 A CN201810921672 A CN 201810921672A CN 108806958 A CN108806958 A CN 108806958A
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- rectification
- shell
- column
- magnetic
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 105
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000002902 ferrimagnetic material Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000037237 body shape Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F2027/408—Association with diode or rectifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of dry-type high-voltage transformer, including magnetic core, it is provided with primary coil on a magnetic core column of magnetic core, is provided with several boosting rectification modules on another magnetic core column of magnetic core, the structure for the rectification module that boosts includes:The secondary coil of shell and boosting, shell includes interconnected solenoid housing and a pair of of rectification shell, secondary coil is mounted in solenoid housing, each rectification shell is in by solenoid housing radial setting outward, the trim rings such as the insulation of several circle outwardly convexs are arranged at intervals on the outer wall of each rectification shell, rectifier cell in two rectification shells connects to form rectification circuit, and secondary coil is connected with the input terminal of rectification circuit, and secondary coil and rectifier cell are respectively by insulating materials embedding.It is an advantage of the invention that:Heat dissipation area is big, high pressure creepage distance is big, and good insulating can flexibly realize that the extension of current or voltage or power, the scope of application of dry-type high-voltage transformer effectively expand.
Description
Technical field
The present invention relates to high-tension transformer technical fields.
Background technology
Transformer is the chief component of high voltage power supply.Transformer includes mainly dry-type transformer and oil-immersed transformer
Two kinds.Oil-immersed transformer has the advantages that voltage is high relative to dry-type transformer, therefore high-tension transformer generally use oil immersion
Formula transformer.But oil-immersed transformer the disadvantage is that:It is of high cost, volume is big, it is heavy, be not easy to transport, and have explosion when high temperature
With the risk of burning.My company has developed a novel dry-type high-voltage transformer, small, and installation and transportation are convenient, and energy
It needs to carry out electric current, voltage, power expansion according to using, uses very flexible and convenient.
Invention content
The technical problem to be solved in the invention is:A kind of dry type for neatly carrying out power, electric current, voltage and expanding is provided
High-tension transformer.
To solve the above problems, the technical solution adopted by the present invention is:Dry-type high-voltage transformer, including carry two magnetic cores
The magnetic core of column is provided with primary coil on a piece magnetic core column of magnetic core, several boostings is provided on another magnetic core column of magnetic core
The structure of rectification module, the rectification module that boosts includes:The shell of isolation material and the secondary coil of boosting, shell include mutual
The solenoid housing of connection and a pair of of rectification shell, the secondary coil are mounted in solenoid housing, the secondary in solenoid housing
Mounting coil on magnetic core column, each rectification shell be in by solenoid housing radial setting outward, each rectification shell it is outer
It is arranged at intervals with the trim rings such as insulation of several circle outwardly convexs on wall, is both provided with rectifier cell in each rectification shell, two
Rectifier cell in a rectification shell connects to form rectification circuit, and secondary coil is connected with the input terminal of rectification circuit, secondary
Coil and rectifier cell are potted in by insulating materials in solenoid housing and corresponding rectification shell respectively.
Further, dry-type high-voltage transformer above-mentioned, wherein the structure of magnetic core includes:A pair of of magnetic core column, a pair of of magnetic core
The both ends of column are respectively arranged with magnetic edge strip, and every magnetic core column, which includes at least, has a magnetic core that column, every magnetic core is divided to divide the axis of column
Perforation offers a point column through-hole upwards, is opened up on the magnetic edge strip often held there are two fixed hole, consolidating on two magnetic edge strips
Determine through-hole one-to-one correspondence, all magnetic cores for forming a magnetic core column divide column by dividing column through-hole to be threaded through on a thread spindle,
The both ends of every thread spindle are threaded through respectively in corresponding a pair of of the fixed hole of two magnetic edge strips, the fixed hole of two magnetic edge strips
Locking nut is both provided on outer thread spindle, locking nut locking can be so that the magnetic edge strip at both ends be mutually drawn close, until making
Magnetic core on every thread spindle divides column mutually mutual with magnetic edge strip respectively against the both ends for forming a magnetic core column and magnetic core column
Fastening.
Further, dry-type high-voltage transformer above-mentioned, wherein it is in cylindrical shape that the every magnetic core, which divides column,.
Further, dry-type high-voltage transformer above-mentioned, wherein each solenoid housing include inner housing, outer housing with
And bottom plate, inner housing, outer housing and bottom plate form a toroidal cavity, the inner cavity of toroidal cavity and two rectification shells
It is connected, secondary coil is mounted in toroidal cavity, and the centre of inner housing is the through-hole for being sleeved on magnetic core column, secondary
Coil is mounted on by through-hole on magnetic core column.
Further, dry-type high-voltage transformer above-mentioned, wherein the central angle that two rectification shells are formed is more than or equal to
50 °, be less than or equal to 130 °.
Further, dry-type high-voltage transformer above-mentioned, wherein the cross section of each rectification shell be in both ends it is round and smooth,
The oval shape of flattened medial, the length of the long axis direction of the cross section of each rectification shell is from close solenoid housing to far from line
Circle housing direction tapers into.
Further, dry-type high-voltage transformer above-mentioned, wherein secondary coil and rectifier cell are filled with epoxy resin respectively
It is enclosed in solenoid housing and corresponding rectification shell.
Further, dry-type high-voltage transformer above-mentioned, wherein the rectifier cell in two rectification shells connects to form bridge
Formula rectification circuit.
Further, dry-type high-voltage transformer above-mentioned, wherein rectifier cell is rectifier diode.
Further, dry-type high-voltage transformer above-mentioned, wherein magnetic core divides column and magnetic edge strip is ferrimagnetic material,
The thread spindle is non-magnetic material, and the non-magnetic material uses copper.
It is an advantage of the invention that:One, small, it is readily transported, stores, and can effectively save installation space.Two, every
The casing rigidity of a boosting rectification module is high, and heat dissipation area is big, high pressure creepage distance is big, and which greatly enhances boosting rectification modules
Insulating properties, reliability and safety.Three, each boosting rectification module is mounted on by through-hole on magnetic core, and installation is very square
Just flexibly, the length of every magnetic core column can convenient adjustment length, multiple boosting rectification moulds can be thus installed as needed
Block, to realize transformer current or voltage or power extension, this makes the scope of application of dry-type high-voltage transformer effective
Expand.
Description of the drawings
Fig. 1 is the structural schematic diagram of dry-type high-voltage transformer of the present invention.
Fig. 2 is structural schematic diagram when boosting the non-embedding of rectification module in Fig. 1.
Fig. 3 is the structural schematic diagram after boosting rectification module embedding in Fig. 1.
Fig. 4 is the structural schematic diagram of magnetic core in Fig. 1.
Fig. 5 is the structural schematic diagram for the dry-type high-voltage transformer for being equipped with multiple boosting rectification modules.
Specific implementation mode
The present invention is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, dry-type high-voltage transformer includes the magnetic core 7 with two magnetic core columns, this
In embodiment, the structure of magnetic core 7 includes:The both ends of a pair of of magnetic core column 71, a pair of of magnetic core column 71 are respectively arranged with magnetic edge strip 72, often
Root magnetic core column 71, which includes at least, has a magnetic core to divide column 711, and for the ease of installing coil, described every magnetic core divides column 711
It is in cylindrical shape.Every magnetic core, which divides to penetrate through in the axial direction of column 711, offers a point column through-hole 701, on the magnetic edge strip 72 often held
It opens up there are two fixed hole 702, the fixed hole 702 on two magnetic edge strips 72 corresponds, and forms a magnetic core column 71
All magnetic cores divide column 711 by dividing column through-hole 701 to be threaded through on a thread spindle 73, the both ends difference of every thread spindle 73
It is threaded through in two 72 corresponding a pair of fixed holes 702 of magnetic edge strips, the thread spindle outside the fixed hole 702 of two magnetic edge strips 72
On be both provided with locking nut 74, the locking of locking nut 74 can be so that the magnetic edge strip 72 at both ends be mutually drawn close, until making every
Magnetic core on thread spindle divide column 711 mutually against formed the magnetic edge strip 72 at a magnetic core column 71 and magnetic core column 71 and both ends with
It is fastened.Such as figure magnetic core divides column 71 and magnetic edge strip 72 is ferrimagnetic material, and the thread spindle 73 is non-magnetic material, institute
The non-magnetic material stated uses copper.As shown in figure 5, transformer is typically mounted in mounting bracket 75, the both ends of thread spindle 73 are logical
It is normally supported in mounting bracket 75, the locking nut 74 is locked at outside mounting bracket 75.
The length of every magnetic core column 71 can be adjusted according to the requirement of the quantity and insulated lengths of secondary coil 2,
The mode of adjusting is as follows:The quantity that magnetic core divides column 711 is increased or decreased, changes the length of magnetic core column 71 with this;Or it will be original
Magnetic core divide column 711 to be replaced with length is longer or length is shorter, with the length of this entire magnetic core column 71 changed.Due to each
It is the magnetic core column fastened in such a way that locking nut 74 is locked on thread spindle 73, therefore above-mentioned that magnetic core, which divides column 711 all,
The adjusting of 71 length is extremely convenient.
Primary coil 2 is provided in the present embodiment on a magnetic core column 71, several liters are provided on another magnetic core column 71
Repoussage flow module 1, boosting rectification module 1 structure include:The shell of isolation material and the secondary coil 2 of boosting, shell packet
Interconnected solenoid housing 11 and a pair of of rectification shell 12 are included, the secondary coil 2 is mounted in solenoid housing 11, coil
Secondary coil 2 in shell 11 is sleeved on a magnetic core column 71.The present embodiment coil shell 11 includes inner housing 112, outer
Shell 111 and bottom plate 113, inner housing 112, outer housing 111 and bottom plate 113 form a toroidal cavity 5, and circular ring shape is recessed
Slot 5 is connected with the inner cavity of two rectification shells 12, and secondary coil 2 is mounted in toroidal cavity 5, the centre of inner housing 112
For the through-hole 110 for being sleeved on magnetic core column, each secondary coil 2 is to be sleeved on magnetic by through-hole 110 in the present embodiment
On stem 71.In addition, the outside of the outer housing 111 for the ease of installing each solenoid housing 11 is evenly arranged with several band installations
The mounting plate 114 in hole 115.As shown in figure 5, when transformer is installed, the installation on the mounting plate 114 of each rectification module 1 that boosts
Hole 115 is threaded through in the installation axle 751 of mounting bracket 75.
Each rectification shell 12 is in by the radial setting outward of solenoid housing 11, in order to ensure insulation, two rectification shells
The central angle alpha that body 12 is formed is more than or equal to 50 °, is less than or equal to 130 °.For the ease of installation, each rectification shell in the present embodiment
12 cross section round and smooth, flattened medial the oval shape in both ends, the long axis direction of the cross section of each rectification shell 12
Length close to solenoid housing 11 to far from 11 direction of solenoid housing from tapering into.It is spaced on the outer wall of each rectification shell 12
It is provided with the trim rings 121 such as the insulation of several circle outwardly convexs.The setting of the trim rings 121 such as insulation, can effectively improve rectification shell 12
Intensity, moreover it is possible to be effectively increased the heat dissipation area of rectification shell 12, while considerably increasing high pressure creepage distance.
Be both provided with rectifier cell in each rectification shell 12, the rectifier cell in two rectification shells 12 connect to be formed it is whole
Current circuit.Rectifier cell described in the present embodiment is rectifier diode 3, and the rectifier diode 3 in two rectification shells 12 connects
It connects to form bridge rectifier.Secondary coil 2 is connected with the input terminal of rectification circuit, and secondary coil 2 and rectifier diode 3 divide
Not by insulating materials --- epoxy resin encapsulated is in solenoid housing 11 and corresponding rectification shell 12.
The advantage of the invention is that:One, small, it is readily transported, stores, and can effectively save installation space.Two,
The casing rigidity of each boosting rectification module 1 is high, and heat dissipation area is big, high pressure creepage distance is big, and which greatly enhances boosting rectifications
Insulating properties, reliability and the safety of module 1.Three, each boosting rectification module 1 is mounted on by through-hole 110 on magnetic core 7,
Install it is very convenient flexibly, the length of every magnetic core column 71 can convenient adjustment length, can thus install as needed more
A boosting rectification module 1, reference can be made to shown in Fig. 5, to realize transformer current or voltage or power extension, this to do
The scope of application of formula high-tension transformer effectively expands.
Claims (10)
1. dry-type high-voltage transformer includes the magnetic core with two magnetic core columns, primary line is provided on a magnetic core column of magnetic core
Circle, it is characterised in that:Several boosting rectification modules, the structure packet for the rectification module that boosts are provided on another magnetic core column of magnetic core
It includes:The shell of isolation material and the secondary coil of boosting, shell include interconnected solenoid housing and a pair of of rectification shell,
The secondary coil is mounted in solenoid housing, and the secondary coil in solenoid housing is sleeved on magnetic core column, each rectification shell
Body is in be arranged at intervals with several circle outwardly convexs on the outer wall of each rectification shell by solenoid housing radial setting outward
The trim rings such as insulation, be both provided with rectifier cell in each rectification shell, the rectifier cell in two rectification shells connects to be formed
Rectification circuit, secondary coil are connected with the input terminal of rectification circuit, and secondary coil and rectifier cell are filled by insulating materials respectively
It is enclosed in solenoid housing and corresponding rectification shell.
2. dry-type high-voltage transformer according to claim 1, it is characterised in that:The structure of magnetic core includes:A pair of of magnetic core column,
The both ends of a pair of of magnetic core column are respectively arranged with magnetic edge strip, and every magnetic core column, which includes at least, has a magnetic core to divide column, every magnetic core
Perforation offers a point column through-hole in the axial direction of point column, opens up that there are two fixed hole, two magnetic sides on the magnetic edge strip often held
Fixed hole on item corresponds, and all magnetic cores for forming a magnetic core column divide column by dividing column through-hole to be threaded through a spiral shell
On line axis, the both ends of every thread spindle are threaded through respectively in corresponding a pair of of the fixed hole of two magnetic edge strips, two magnetic edge strips
Locking nut is both provided on thread spindle outside fixed hole, locking nut locking can make the magnetic edge strip at both ends mutually draw close,
Until so that the magnetic core on every thread spindle divide column mutually abut formed the both ends of a magnetic core column and magnetic core column respectively with magnetic
Edge strip mutually fastens.
3. dry-type high-voltage transformer according to claim 2, it is characterised in that:It is in cylinder that the every magnetic core, which divides column,
Body shape.
4. dry-type high-voltage transformer according to claim 1 or 2 or 3, it is characterised in that:Each solenoid housing includes interior
Shell, outer housing and bottom plate, inner housing, outer housing and bottom plate form a toroidal cavity, toroidal cavity and two
The inner cavity of rectification shell is connected, and secondary coil is mounted in toroidal cavity, and the centre of inner housing is for being sleeved on magnetic core
Through-hole on column, secondary coil are mounted on by through-hole on magnetic core column.
5. dry-type high-voltage transformer according to claim 4, it is characterised in that:The central angle that two rectification shells are formed is big
In equal to 50 °, be less than or equal to 130 °.
6. dry-type high-voltage transformer according to claim 1 or 2 or 3, it is characterised in that:The cross section of each rectification shell
Round and smooth, flattened medial the oval shape in both ends, the length of the long axis direction of the cross section of each rectification shell is by leaning near line
Circle shell is tapered into far from solenoid housing direction.
7. dry-type high-voltage transformer according to claim 1 or 2 or 3, it is characterised in that:Secondary coil and rectifier cell point
Not Yong epoxy resin encapsulated in solenoid housing and corresponding rectification shell.
8. the boosting rectification module in dry-type high-voltage transformer according to claim 1 or 2 or 3, it is characterised in that:Two
Rectifier cell in rectification shell connects to form bridge rectifier.
9. the boosting rectification module in dry-type high-voltage transformer according to claim 8, it is characterised in that:Rectifier cell is
Rectifier diode.
10. the boosting rectification module in dry-type high-voltage transformer according to claim 2 or 3, it is characterised in that:Magnetic core point
Column and magnetic edge strip are ferrimagnetic material, and the thread spindle is non-magnetic material, and the non-magnetic material uses copper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810921672.4A CN108806958B (en) | 2018-08-14 | 2018-08-14 | Dry-type high-voltage transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810921672.4A CN108806958B (en) | 2018-08-14 | 2018-08-14 | Dry-type high-voltage transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108806958A true CN108806958A (en) | 2018-11-13 |
CN108806958B CN108806958B (en) | 2024-07-05 |
Family
ID=64080078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810921672.4A Active CN108806958B (en) | 2018-08-14 | 2018-08-14 | Dry-type high-voltage transformer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108806958B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1496214A (en) * | 2002-09-17 | 2004-05-12 | ���µ�����ҵ��ʽ���� | Transformer and transformer unit with said transformer |
CN101060031A (en) * | 2006-04-22 | 2007-10-24 | 浙江广天变压器有限公司 | Dry-type resin insulation static dust removal and rectifying transformer |
CN101303931A (en) * | 2007-05-09 | 2008-11-12 | 上海昊德电气有限公司 | Machine body structure of phase-shifting commutation dry-type transformer and process for manufacturing the same |
CN201178022Y (en) * | 2008-04-17 | 2009-01-07 | 中国电子科技集团公司第十四研究所 | High-voltage transformation rectifier |
CN103617876A (en) * | 2013-12-09 | 2014-03-05 | 佛山市科蓝环保科技股份有限公司 | Novel dry type small-size high-voltage rectification transformer structure |
CN104021916A (en) * | 2014-06-06 | 2014-09-03 | 合肥雷科电子科技有限公司 | High-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer |
CN208861800U (en) * | 2018-08-14 | 2019-05-14 | 江苏保丽洁环境科技股份有限公司 | Dry-type high-voltage transformer |
-
2018
- 2018-08-14 CN CN201810921672.4A patent/CN108806958B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1496214A (en) * | 2002-09-17 | 2004-05-12 | ���µ�����ҵ��ʽ���� | Transformer and transformer unit with said transformer |
CN101060031A (en) * | 2006-04-22 | 2007-10-24 | 浙江广天变压器有限公司 | Dry-type resin insulation static dust removal and rectifying transformer |
CN101303931A (en) * | 2007-05-09 | 2008-11-12 | 上海昊德电气有限公司 | Machine body structure of phase-shifting commutation dry-type transformer and process for manufacturing the same |
CN201178022Y (en) * | 2008-04-17 | 2009-01-07 | 中国电子科技集团公司第十四研究所 | High-voltage transformation rectifier |
CN103617876A (en) * | 2013-12-09 | 2014-03-05 | 佛山市科蓝环保科技股份有限公司 | Novel dry type small-size high-voltage rectification transformer structure |
CN104021916A (en) * | 2014-06-06 | 2014-09-03 | 合肥雷科电子科技有限公司 | High-power floating high-voltage reconstructive combined type high-frequency and high-voltage rectifier transformer |
CN208861800U (en) * | 2018-08-14 | 2019-05-14 | 江苏保丽洁环境科技股份有限公司 | Dry-type high-voltage transformer |
Also Published As
Publication number | Publication date |
---|---|
CN108806958B (en) | 2024-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7129808B2 (en) | Core cooling for electrical components | |
EP2929551B1 (en) | Transformer assembly | |
US4176334A (en) | High voltage transformer and process for making same | |
JP4977563B2 (en) | Three-phase dry transformer | |
CN208861800U (en) | Dry-type high-voltage transformer | |
CN207409363U (en) | A kind of high frequency high voltage transformer | |
KR20100132111A (en) | A winding wire heat pipe for cooling for transfomer | |
US3179908A (en) | Heat exchange means for electromagnetic devices | |
US4117437A (en) | Top core type current transformer structure | |
CN108806958A (en) | Dry-type high-voltage transformer | |
CN208723792U (en) | Boosting rectification module in dry-type high-voltage transformer | |
CN104021924B (en) | A kind of high-voltage inverted power transformer and preparation method thereof | |
CN105405590A (en) | Air blast transformer | |
CN108880285B (en) | Boost rectifying module in dry-type high-voltage transformer | |
CN213459343U (en) | Voltage transformer for station | |
CN210722691U (en) | Transformer with low surge current | |
CN208158059U (en) | A kind of general combined epoxy resins insulation casing | |
CN105826065B (en) | A kind of method and device thereof increasing transformer output power | |
CN205508589U (en) | Transformer for induction quenching | |
CN203799852U (en) | Indoor voltage transformer | |
CN203022715U (en) | Fixed structure used for transformer sub and transformer sub | |
CN202258749U (en) | Ignition coil of general gasoline engine inductive igniter | |
CN110164667A (en) | A kind of dry-type transformer convenient for heat dissipation | |
CN208126995U (en) | A kind of low magnetic leakage high frequency transformer | |
CN104779043A (en) | 220 kV de-icing rectifier transformer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |