CN202206315U - Inverse scott dry type transformer - Google Patents
Inverse scott dry type transformer Download PDFInfo
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- CN202206315U CN202206315U CN201120373060XU CN201120373060U CN202206315U CN 202206315 U CN202206315 U CN 202206315U CN 201120373060X U CN201120373060X U CN 201120373060XU CN 201120373060 U CN201120373060 U CN 201120373060U CN 202206315 U CN202206315 U CN 202206315U
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Abstract
The utility model discloses an inverse scott dry type transformer and relates to a transformer. At present, low-voltage equipment of a balance traction substation is powered by adopting a storage battery, the maintenance is troublesome, and the cost is higher. The inverse scott dry type transformer comprises a T-connection transformer and a main-position transformer, wherein the T-connection transformer comprises a T-connection transformer core post, a T-connection transformer yoke post, a T-connection transformer high-voltage winding and a T-connection transformer low-voltage winding; the main-position transformer comprises a main-position transformer core post, a main-position transformer yoke post, a main-position transformer high-voltage winding and a main-position transformer low-voltage winding; the T-connection transformer high-voltage winding is independent from the main-position transformer high-voltage winding; a neutral point is lead out from a two thirds position of turns of the T-connection transformer low-voltage winding, and the tail end of the T-connection transformer low-voltage winding is connected with a middle point of the main-position transformer low-voltage winding so as to form three symmetric low-voltage output terminals and a neutral point terminal. Low-voltage electricity output by the inverse scott dry type transformer is provided for the low-voltage equipment of the balance traction substation, the cost is low and the maintenance is convenient.
Description
Technical field
The utility model relates to a kind of transformer.
Background technology
At present, according to the planning of State Grid Corporation of China, the intelligent grid construction was taken a three-stage approach during the year two thousand twenty in 2010, related to generating, transmission of electricity, power transformation, distribution, electricity consumption, scheduling and seven links of the communication information.The develop actively intelligent grid adapts to following sustainable development.One of major technique of using in the intelligent grid---balanced feeding technology.
The utility model content
The technical problem that the utility model will solve and the technical assignment of proposition are that the prior art scheme is improved and improved, and a kind of contrary Scott dry-type transformer is provided, and can be low-voltage equipment power supply and cost purpose low, easy to maintenance to reach.For this reason, the utility model is taked following technical scheme.
Contrary Scott dry-type transformer; It is characterized in that: comprise that T connects transformer and status of a sovereign transformer; Described T connects transformer and comprises that T connects the transformer stem stem, connects the T that T connects the transformer stem stem and connect transformer yoke post, be coated at the T that the T that is used to connect the single-phase high voltage electricity that T connects the transformer stem stem connects the transformer high-voltage winding and be used to export the low pressure three-phase electricity and connect the transformer low voltage winding; Described status of a sovereign transformer comprises status of a sovereign transformer stem stem, connect the status of a sovereign transformer yoke post of status of a sovereign transformer stem stem, be coated at the status of a sovereign transformer low voltage winding that connects the status of a sovereign transformer high-voltage winding of single-phase high voltage electricity and be used to export the low pressure three-phase electricity of being used to of status of a sovereign transformer stem stem; Described T connects the transformer high-voltage winding and status of a sovereign transformer high-voltage winding is independent; What described T connect the transformer low voltage winding draws neutral point at the number of turn 2/3 place, and its terminal mid point with status of a sovereign transformer low voltage winding is connected to form low-voltage output and a neutral end of three symmetries can export three-phase line voltage and three-phase phase voltage.T connects transformer high-voltage winding and status of a sovereign transformer high-voltage winding and is connected on two mutually each other on the high-tension electricity of 90 ° of phase differences; Three-phase low tension by the output of low pressure winding is still symmetrical; Reach the purpose that two phase high-tension electricities become the three-phase low-voltage AC; Illumination, computer control system and other that the low tension of output offers balance traction transformer station need low-voltage equipment, and cost is low, and is easy to maintenance.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature.
Described T connects transformer stem stem and status of a sovereign transformer stem stem and forms two core constructions, and T connects transformer stem stem, status of a sovereign transformer stem stem, T, and to connect the cross section of transformer yoke post, status of a sovereign transformer yoke post identical.Improve the magnetic flux distribution of seam crossing, reduced no-load loss unshakable in one's determination, reduced noise unshakable in one's determination simultaneously.
Described T connects the transformer high-voltage winding, status of a sovereign transformer high-voltage winding is a multilayer subsection cylindrical formula structure.Rationally choose interlayer and intersegmental operating voltage, increase the vertical electric capacity of winding, improve the distribution of surge voltage.
T connects transformer high-voltage winding, status of a sovereign transformer high-voltage winding, T connects transformer low voltage winding, the employing enamel covered wire coiling of status of a sovereign transformer low voltage winding and upper and lower end and skin is provided with the insulation reinforced layer, and is solidified into integrative-structure through resin-cast.Winding can adopt the coiling of polyester-imide enamel covered wire; The nonwoven polyester fabric reinforced insulation is used in the insulation of upper/lower terminal portion; Head and end outermost layer lead is adopted glass cloth bag reinforced insulation; Insulated part to the air flue both sides adopts the long glass glass fiber continuous felt of glass fiber parcel to fill, and external insulation adopts the glass fiber strap to strengthen, and uses compounds such as epoxy resin, curing agent after vacuum pouring is solidified, to be one.Dry-type transformer is pollution-free, the voltage distortion rate is little, mechanical strength good, anti-short circuit capability is strong.
T connect transformer high-voltage winding and T connect between the transformer low voltage winding and status of a sovereign transformer high-voltage winding and status of a sovereign transformer low voltage winding between be equipped with insulating cylinder.The insulating cylinder of setting up improves the lightning impulse resistant ability.
Beneficial effect: T connects transformer high-voltage winding and status of a sovereign transformer high-voltage winding and is connected on two mutually each other on the high-tension electricity of 90 ° of phase differences; Three-phase low tension by the output of low pressure winding is still symmetrical; Reach the purpose that two phase high-tension electricities become the three-phase low-voltage AC; Illumination, computer control system and other that the low tension of output offers balance traction transformer station need low-voltage equipment, and cost is low, and is easy to maintenance.Adopt insulation resin simultaneously, pollution-free, the voltage distortion rate is little, mechanical strength good, anti-short circuit capability is strong.
Description of drawings
Fig. 1 is a transformer core assembling sketch map.
Fig. 2 (a) is that structural representation is faced in the transformer assembling.
Fig. 2 (b) is a transformer assembling plan structure sketch map.
Fig. 3 is the transformer connection principle schematic.
Among the figure: 1-T connects transformer stem stem, 2-status of a sovereign transformer stem stem, and 3-T connects the transformer high-voltage winding, the 4-insulating cylinder, and the 5-neutral point, the 6-mid point, 7-status of a sovereign transformer high-voltage winding, 8-T connects the transformer low voltage winding, 9-status of a sovereign transformer low voltage winding.
Embodiment
Below in conjunction with Figure of description the technical scheme of the utility model is done further detailed description.
Shown in Fig. 1-3; The utility model comprises that T connects transformer and status of a sovereign transformer; Described T connects transformer and comprises that T connects transformer stem stem 1, connects the T that T connects transformer stem stem 1 and connect transformer yoke post, be coated at the T that the T that is used to connect the single-phase high voltage electricity that T connects transformer stem stem 1 connects transformer high-voltage winding 3 and be used to export the low pressure three-phase electricity and connect transformer low voltage winding 8; Described status of a sovereign transformer comprises status of a sovereign transformer stem stem 2, connect the status of a sovereign transformer yoke post of status of a sovereign transformer stem stem 2, be coated at the status of a sovereign transformer low voltage winding 9 that connects the status of a sovereign transformer high-voltage winding 7 of single-phase high voltage electricity and be used to export the low pressure three-phase electricity of being used to of status of a sovereign transformer stem stem 2; It is independent with status of a sovereign transformer high-voltage winding 7 that described T connects transformer high-voltage winding 3; What described T connect transformer low voltage winding 8 draws neutral point 5 at the number of turn 2/3 place, and its terminal mid point 6 with status of a sovereign transformer low voltage winding 9 is connected to form low-voltage output and a neutral end of three symmetries can export three-phase line voltage, three-phase phase voltage.Described T connects transformer stem stem 1 and forms two core constructions with status of a sovereign transformer stem stem 2, and T connects transformer stem stem 1, status of a sovereign transformer stem stem 2, T, and to connect the cross section of transformer yoke post, status of a sovereign transformer yoke post identical.Described T connects transformer high-voltage winding 3, status of a sovereign transformer high-voltage winding 7 is multilayer subsection cylindrical formula structure.T connects transformer high-voltage winding 3, status of a sovereign transformer high-voltage winding 7, T connects transformer low voltage winding 8, the 9 employing enamel covered wire coilings of status of a sovereign transformer low voltage winding and upper and lower end and skin is provided with the insulation reinforced layer, and is solidified into integrative-structure through resin-cast.T connect transformer high-voltage winding 3 and T connect between the transformer low voltage winding 8 and status of a sovereign transformer high-voltage winding 7 and status of a sovereign transformer low voltage winding 9 between be equipped with insulating cylinder 4.
The specific embodiment that contrary Scott dry-type transformer shown in above Fig. 1-3 is the utility model; The utility model substantive distinguishing features and progress have been embodied; Can be according to the use needs of reality; Under the enlightenment of the utility model, it is carried out the equivalent modifications of aspects such as shape, structure, all at the row of the protection range of this programme.
Claims (5)
1. contrary Scott dry-type transformer; It is characterized in that: comprise that T connects transformer and status of a sovereign transformer; Described T connects transformer and comprises that T connects transformer stem stem (1), connects the T that T connects transformer stem stem (1) and connect transformer yoke post, be coated at the T that the T that is used to connect the single-phase high voltage electricity that T connects transformer stem stem (1) connects transformer high-voltage winding (3) and be used to export the low pressure three-phase electricity and connect transformer low voltage winding (8); Described status of a sovereign transformer comprises status of a sovereign transformer stem stem (2), connect the status of a sovereign transformer yoke post of status of a sovereign transformer stem stem (2), be coated at the status of a sovereign transformer low voltage winding (9) that connects the status of a sovereign transformer high-voltage winding (7) of single-phase high voltage electricity and be used to export the low pressure three-phase electricity of being used to of status of a sovereign transformer stem stem (2); It is independent with status of a sovereign transformer high-voltage winding (7) that described T connects transformer high-voltage winding (3); What described T connect transformer low voltage winding (8) draws neutral point (5) at the number of turn 2/3 place, and its terminal mid point (6) with status of a sovereign transformer low voltage winding (9) is connected to form low-voltage output and a neutral end of three symmetries can export three-phase line voltage and three-phase phase voltage.
2. contrary Scott dry-type transformer according to claim 1; It is characterized in that: described T connects transformer stem stem (1) and status of a sovereign transformer stem stem (2) and forms two core constructions, and T connects transformer stem stem (1), status of a sovereign transformer stem stem (2), T, and to connect the cross section of transformer yoke post, status of a sovereign transformer yoke post identical.
3. contrary Scott dry-type transformer according to claim 2 is characterized in that: described T connects transformer high-voltage winding (3), status of a sovereign transformer high-voltage winding (7) is multilayer subsection cylindrical formula structure.
4. contrary Scott dry-type transformer according to claim 3; It is characterized in that: T connects transformer high-voltage winding (3), status of a sovereign transformer high-voltage winding (7), T connects transformer low voltage winding (8), status of a sovereign transformer low voltage winding (9) employing enamel covered wire coiling and upper and lower end and skin is provided with the insulation reinforced layer, and is solidified into integrative-structure through resin-cast.
5. contrary Scott dry-type transformer according to claim 3 is characterized in that: T connects transformer high-voltage winding (3) and connects to reach between status of a sovereign transformer high-voltage winding (7) and the status of a sovereign transformer low voltage winding (9) between the transformer low voltage winding (8) with T and be equipped with insulating cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120373060XU CN202206315U (en) | 2011-09-28 | 2011-09-28 | Inverse scott dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120373060XU CN202206315U (en) | 2011-09-28 | 2011-09-28 | Inverse scott dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202206315U true CN202206315U (en) | 2012-04-25 |
Family
ID=45970410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120373060XU Expired - Fee Related CN202206315U (en) | 2011-09-28 | 2011-09-28 | Inverse scott dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202206315U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361404A (en) * | 2011-09-28 | 2012-02-22 | 卧龙电气集团股份有限公司 | Inverse Scott dry-type transformer |
| CN103426603A (en) * | 2012-05-25 | 2013-12-04 | 株式会社日立产机系统 | Wound core Scott transformer |
| CN104734525A (en) * | 2013-12-20 | 2015-06-24 | 特电株式会社 | Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator |
-
2011
- 2011-09-28 CN CN201120373060XU patent/CN202206315U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361404A (en) * | 2011-09-28 | 2012-02-22 | 卧龙电气集团股份有限公司 | Inverse Scott dry-type transformer |
| CN102361404B (en) * | 2011-09-28 | 2014-01-01 | 卧龙电气集团股份有限公司 | Inverse Scott dry-type transformer |
| CN103426603A (en) * | 2012-05-25 | 2013-12-04 | 株式会社日立产机系统 | Wound core Scott transformer |
| EP2667388A3 (en) * | 2012-05-25 | 2016-12-28 | Hitachi Industrial Equipment Systems Co., Ltd. | Wound core scot transformer |
| CN104734525A (en) * | 2013-12-20 | 2015-06-24 | 特电株式会社 | Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator |
| CN104734525B (en) * | 2013-12-20 | 2018-11-16 | 特电株式会社 | Power supply device and its application method, overheated steam generation device |
| US10510480B2 (en) | 2013-12-20 | 2019-12-17 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
| US10650962B2 (en) | 2013-12-20 | 2020-05-12 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
| US10840011B2 (en) | 2013-12-20 | 2020-11-17 | Tokuden Co., Ltd. | Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator |
| US10978243B2 (en) | 2013-12-20 | 2021-04-13 | Tokuden Co., Ltd. | Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120425 Termination date: 20200928 |