CN201307485Y - Trisected dry-type rectiformer of epoxy resin insulating variable frequency drive - Google Patents
Trisected dry-type rectiformer of epoxy resin insulating variable frequency drive Download PDFInfo
- Publication number
- CN201307485Y CN201307485Y CNU2008202191291U CN200820219129U CN201307485Y CN 201307485 Y CN201307485 Y CN 201307485Y CN U2008202191291 U CNU2008202191291 U CN U2008202191291U CN 200820219129 U CN200820219129 U CN 200820219129U CN 201307485 Y CN201307485 Y CN 201307485Y
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- iron core
- pressure winding
- frequency drive
- type iron
- tripartition
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Abstract
The utility model relates to a trisected dry-type rectiformer of epoxy resin insulating variable frequency drive, comprising a tri-post type iron core, a high-voltage winding, a low-voltage winding and an insulation shielding barrel; the low-voltage winding is sleeved on the tri-post type iron core; the insulation shielding barrel is arranged between the inner side of the high-voltage winding and the outer side of the low-voltage winding; the high-voltage winding consists of three groups of windings; each group of windings is sleeved on one tri-post type iron core; the low-voltage winding consists of three groups of windings; each group of the windings is sleeved on one tri-post type iron core; and the upper part and the lower part of the transformer are clamped tightly by web plate type clamping pieces and are tightened by diagonal tensile steel frames. The transformer adopts a new structure, can replace three common oil-immersed duplex winding drive rectiformer, greatly reduces occupied area, and has small size, light weight, good thermal diffusivity, good performances of insulation and anti-opening type, strong overload capacity, low partial discharge, good humidity resistance, environment protection and safety and the like.
Description
Technical field
The utility model relates to a kind of transformer, particularly relates to a kind of epoxy resins insulation Frequency Drive tripartition dry rectifier transformer.
Background technology
Frequency Drive tripartition rectifier transformer is an oil-filled transformer at present, its manufacturing process equipment complexity, and noise is big, the loss height, overload capacity is poor, and floor space is big, and installation and maintenance are loaded down with trivial details, and are inflammable and explosive, are difficult for reclaiming.So the tripartition rectifier transformer moves in electric power system and does not reach optimum efficiency.
Summary of the invention
The utility model has related to that a kind of reasonable in design, volume are little, in light weight, the epoxy resins insulation Frequency Drive tripartition dry rectifier transformer of function admirable.
In order to address the above problem, the utility model by the following technical solutions:
Epoxy resins insulation Frequency Drive tripartition dry rectifier transformer, comprise three pillar type iron core, high pressure winding, low pressure winding, insulation shielding tube, the low pressure winding is enclosed within on the three pillar type iron core, be provided with the insulation shielding tube between the high pressure winding inboard and the low pressure winding outside, the high pressure winding is made up of three groups of windings, every group of winding is sleeved on the three pillar type iron core, the low pressure winding is made up of three groups of windings, every group of winding is sleeved on the three pillar type iron core, transformer clamps by the web-type folder up and down, with the tension of oblique rollering steel frame.
Every group of high pressure winding and every group of low pressure winding are made up of three windings respectively, and three windings are provided with along three pillar type iron core axially-aligned; The three pillar type iron core adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet to make, 45 ° of full bias seams, and three pillar type iron core employing insulating tape is tied up and is rolled, and the surface adopts solventfree resin to apply; The high pressure winding is a subsection cylindrical formula structure, adopts the double fibre glass-covered wire coiling, and with the moulding of epoxide resin vacuum cast cured explosive; The low pressure winding is a paper tinsel formula structure, adopts the coiling of rounding arm of angle Copper Foil, and seals moulding with the epoxy resin end; The insulation shielding tube adopts aromatic polyamide fibre composite plate forming tube, and its monolateral thickness is 5mm.
The web-type folder is by hot rolled steel plate machine-shaping, and its monolateral thickness is 20mm; The oblique rollering steel frame is by cold rolling seamless square steel tube machine-shaping, and its pipe thickness is 6mm.
Description of drawings
Fig. 1 is the utility model front view
Fig. 2 is Fig. 1 vertical view
Embodiment
Epoxy resins insulation Frequency Drive tripartition dry rectifier transformer, as shown in Figure 1 and Figure 2, comprise three pillar type iron core 1, high pressure winding 4, low pressure winding 2, insulation shielding tube 3, three pillar type iron core 1 adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet to make, 45 ° of full bias seams, three pillar type iron core 1 employing H class F insulation band is tied up and is rolled, and the surface adopts solventfree resin to apply.
Claims (8)
1, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer, it is characterized in that, comprise three pillar type iron core (1), high pressure winding (4), low pressure winding (2), insulation shielding tube (3), low pressure winding (2) is enclosed within on the three pillar type iron core (1), be provided with insulation shielding tube (3) between high pressure winding (4) inboard and low pressure winding (2) outside, high pressure winding (4) is made up of three groups of windings, every group of winding is sleeved on the three pillar type iron core (1), low pressure winding (2) is made up of three groups of windings, every group of winding is sleeved on the three pillar type iron core (1), transformer clamps by web-type folder (5) up and down, with oblique rollering steel frame (6) tension.
2, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1, it is characterized in that, every group of high pressure winding (4) and every group of low pressure winding (2) are made up of three windings respectively, and three windings are along three pillar type iron core (1) axially-aligned setting.
3, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1, it is characterized in that, three pillar type iron core (1) adopts high magnetic conduction high-quality grain orientation cold-reduced silicon sheet to make, 45 ° of full bias seams, three pillar type iron core (1) employing insulating tape is tied up and is rolled, and the surface adopts solventfree resin to apply.
4, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1 is characterized in that high pressure winding (4) is a subsection cylindrical formula structure, adopts the double fibre glass-covered wire coiling, and with the moulding of epoxide resin vacuum cast cured explosive.
5, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1 is characterized in that low pressure winding (2) is a paper tinsel formula structure, adopts the coiling of rounding arm of angle Copper Foil, and seals moulding with the epoxy resin end.
6, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1 is characterized in that, insulation shielding tube (3) adopts aromatic polyamide fibre composite plate forming tube, and its monolateral thickness is 5mm.
7, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1 is characterized in that web-type folder (5) is by hot rolled steel plate machine-shaping, and its monolateral thickness is 20mm.
8, epoxy resins insulation Frequency Drive tripartition dry rectifier transformer according to claim 1 is characterized in that oblique rollering steel frame (6) is by cold rolling seamless square steel tube machine-shaping, and its pipe thickness is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202191291U CN201307485Y (en) | 2008-11-13 | 2008-11-13 | Trisected dry-type rectiformer of epoxy resin insulating variable frequency drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202191291U CN201307485Y (en) | 2008-11-13 | 2008-11-13 | Trisected dry-type rectiformer of epoxy resin insulating variable frequency drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307485Y true CN201307485Y (en) | 2009-09-09 |
Family
ID=41099952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202191291U Expired - Fee Related CN201307485Y (en) | 2008-11-13 | 2008-11-13 | Trisected dry-type rectiformer of epoxy resin insulating variable frequency drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307485Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568789A (en) * | 2012-03-28 | 2012-07-11 | 沈阳全密封变压器股份有限公司 | Cylindrical coil structure for multi-stage capacity regulating transformer |
| CN106098322A (en) * | 2016-05-27 | 2016-11-09 | 江苏宏源电气有限责任公司 | A kind of multivoltage output intermediate transformer |
| CN112735782A (en) * | 2020-12-24 | 2021-04-30 | 宁波宁变电力科技股份有限公司 | Dry-type transformer capable of reducing noise |
-
2008
- 2008-11-13 CN CNU2008202191291U patent/CN201307485Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568789A (en) * | 2012-03-28 | 2012-07-11 | 沈阳全密封变压器股份有限公司 | Cylindrical coil structure for multi-stage capacity regulating transformer |
| CN106098322A (en) * | 2016-05-27 | 2016-11-09 | 江苏宏源电气有限责任公司 | A kind of multivoltage output intermediate transformer |
| CN112735782A (en) * | 2020-12-24 | 2021-04-30 | 宁波宁变电力科技股份有限公司 | Dry-type transformer capable of reducing noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20131113 |