CN103295749B - Two device body tandem cracking transformers that the secondary winding floating voltage degree of balance is high - Google Patents
Two device body tandem cracking transformers that the secondary winding floating voltage degree of balance is high Download PDFInfo
- Publication number
- CN103295749B CN103295749B CN201310270792.XA CN201310270792A CN103295749B CN 103295749 B CN103295749 B CN 103295749B CN 201310270792 A CN201310270792 A CN 201310270792A CN 103295749 B CN103295749 B CN 103295749B
- Authority
- CN
- China
- Prior art keywords
- winding
- balance
- secondary winding
- head
- cracking
- 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.)
- Expired - Fee Related
Links
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention relates to two device body tandem cracking transformers that a kind of secondary winding floating voltage degree of balance is high, belong to transformer technology field.Technical scheme is: each increase by balance winding on transformer two iron cores, two balance umber of turn identical, around identical to identical, on iron core position, the head and the tail head of these two balance windings is connected together respectively, form a closed loop, improve the degree of unbalance of two secondary winding floating voltages.The present invention regulates the main flux in two iron cores automatically by the circulating current between balance winding, reduce the difference of main flux in two iron cores, reduce the difference of two secondary winding induced voltages, reach the object improving secondary winding floating voltage degree of unbalance.Two device body tandem cracking design of transformer with background technology are compared, and the present invention effectively solves the larger problem of secondary winding floating voltage degree of unbalance.
Description
Technical field
The present invention relates to two device body tandem cracking transformers that a kind of secondary winding floating voltage degree of balance is high, belong to transformer technology field.
Background technology
Two device body tandem cracking transformers are used in the occasion of some special purposes, and the floating voltage degree of unbalance of General Requirements two secondary winding controls within 2%, sometimes even require to be less than 0.5%.Two device body tandem cracking transformers of background technology have the independently single-phase of identical magnetic circuit by two or three-phase transformer device body is formed, and the first side winding number of turn of two device bodies is identical, electrically upper series connection, and secondary side winding electrically goes up independent mutually.In actual production, because two material, sectional area, seam size and clamping forces unshakable in one's determination etc. are always variant, make two iron cores finally produced can not ensure completely the same, and then main flux in two iron cores is incomplete same, cause two secondary winding floating voltage degree of unbalance comparatively large, be difficult to meet the requirement of user to secondary winding floating voltage degree of unbalance.
Summary of the invention
The object of this invention is to provide two device body tandem cracking transformers that a kind of secondary winding floating voltage degree of balance is high, improve the degree of unbalance of secondary winding floating voltage, solve the problems referred to above that background technology exists.
Technical scheme of the present invention is:
Two device body tandem cracking transformers that a kind of secondary winding floating voltage degree of balance is high, each increase by balance winding on transformer two iron cores, two balance umber of turn identical, around identical to identical, on iron core position, the first head of these two balance windings and first head, tail head and tail head are connected together respectively, form a closed loop, improve the degree of unbalance of two secondary winding floating voltages.
Single-phase transformer, described two device body tandem cracking transformers, there are iron core one, 2 two iron cores unshakable in one's determination, winding first and second winding one and balance winding one are set on unshakable in one's determination one, iron core two is arranged winding two, secondary winding two and a balance winding two; A winding one and a winding two join end to end; Balance winding one is identical with balance winding two number of turn, around identical to identical, on iron core position, head connects together respectively from beginning to end, forms a closed loop.
Good effect of the present invention: the present invention is in order to improve the degree of unbalance of secondary winding floating voltage, and to take on two iron cores of transformer each measure increasing a balance winding, their numbers of turn are identical, around to identical, the position on iron core is identical.The head and the tail head of two balance windings is connected together respectively, form a closed loop, automatically the main flux in two iron cores is regulated by the circulating current between balance winding, reduce the difference of main flux in two iron cores, reduce the difference of two secondary winding induced voltages, reach the object improving secondary winding floating voltage degree of unbalance.Two device body tandem cracking design of transformer with background technology are compared, and the present invention effectively solves the larger problem of secondary winding floating voltage degree of unbalance.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention schematic diagram;
In figure: iron core 1, iron core 22, balance winding one Wp1, balance winding two Wp2, winding one N11, secondary winding one N21, winding two N12, secondary winding two N22.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described.
The present embodiment is single-phase transformer, and 1 couple of the present invention carries out concrete Analysis of Magnetic Circuit explanation by reference to the accompanying drawings:
Two device body tandem cracking transformers that a kind of secondary winding floating voltage degree of balance is high, described two device body tandem cracking transformers, there are iron core 1,22 two iron cores unshakable in one's determination, winding one N11, secondary winding one N21 and balance winding one Wp1 are set on unshakable in one's determination one, winding two N12, secondary winding two N22 and balance winding two Wp2 are set on unshakable in one's determination two; One time winding one N11 and time winding two N12 joins end to end; Balance winding one Wp1 is identical with the balance winding two Wp2 number of turn, around identical to identical, on iron core position, balance winding one (Wp1) and balance winding two (Wp2) first head and first head, tail head and tail head connect together respectively, forms a closed loop.
After the two ends of winding one N11 and time winding two N12 after the present invention's series connection apply voltage U 1, exciting curent I0 is flow through in winding one N11 and time winding two N12, main flux Φ 01 and Φ 02 is produced in iron core, winding one N11, secondary winding one N21, winding two N12, secondary winding two N22 induce floating voltage U11, U21 and U12, U22 respectively, balance winding one Wp1 and balance winding two Wp2 also induce voltage U P1 and UP2 respectively.Due to Φ 01 ≠ Φ 02, then U11 ≠ U12, U21 ≠ U22, Up1 ≠ Up2; If Δ UP=UP1-UP2, because balance winding one Wp1 and balance winding two Wp2 is in parallel, Δ UP produces circulating current IP in Wp1 and Wp2, IP produces an additional magnetic flux Φ P in two iron cores, Φ P superposes with original main flux Φ 01 and Φ 02, changes the size of original main flux, and corresponding two devices with it winding one N11, secondary winding one N21, winding two N12, a secondary winding two N22 induced voltage change thereupon, higher voltage reduces, and lower voltage raises; Like this, reduce the induced voltage difference of secondary winding one N21, secondary winding two N22, improve secondary winding floating voltage degree of unbalance.
Claims (1)
1. two device body tandem cracking transformers that a secondary winding floating voltage degree of balance is high, it is characterized in that: each increase by balance winding on transformer two iron cores, two balance umber of turn identical, around identical to identical, on iron core position, the first head of these two balance windings and first head, tail head and tail head are connected together respectively, form a closed loop, improve the degree of unbalance of two secondary winding floating voltages;
Single-phase transformer, described two device body tandem cracking transformers, there are iron core one (1), two (2) two iron cores unshakable in one's determination, winding one (N11), secondary winding one (N21) and balance winding one (Wp1) are set on unshakable in one's determination one, winding two (N12), secondary winding two (N22) and balance winding two (Wp2) are set on unshakable in one's determination two; A winding one (N11) and a winding two (N12) join end to end; Balance winding one (Wp1) and balance winding two (Wp2) number of turn identical, around identical to identical, on iron core position, balance winding one (Wp1) and balance winding two (Wp2) first head and first head, tail head and tail head and connect together respectively, forms a closed loop;
After a winding one (N11) after series connection and the two ends of a winding two (N12) apply voltage U 1, exciting curent I0 is flow through in a winding one (N11) and a winding two (N12), main flux Φ 01 and Φ 02 is produced in iron core, winding one (N11), secondary winding one (N21), winding two (N12), secondary winding two (N22) induce floating voltage U11, U21 and U12, U22 respectively, in balance winding one (Wp1) with balance on winding two (Wp2) and also induce voltage U P1 and UP2 respectively;
Due to Φ 01 ≠ Φ 02, then U11 ≠ U12, U21 ≠ U22, Up1 ≠ Up2; If Δ UP=UP1-UP2, because balance winding one (Wp1) and balance winding two (Wp2) are in parallel, Δ UP produces circulating current IP in Wp1 and Wp2, IP produces an additional magnetic flux Φ P in two iron cores, Φ P superposes with original main flux Φ 01 and Φ 02, change the size of original main flux, corresponding two devices with it winding one (N11), secondary winding one (N21), winding two (N12), secondary winding two (N22) induced voltage change thereupon, higher voltage reduces, and lower voltage raises; Reduce the induced voltage difference of secondary winding one (N21), secondary winding two (N22), improve secondary winding floating voltage degree of unbalance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310270792.XA CN103295749B (en) | 2013-07-01 | 2013-07-01 | Two device body tandem cracking transformers that the secondary winding floating voltage degree of balance is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310270792.XA CN103295749B (en) | 2013-07-01 | 2013-07-01 | Two device body tandem cracking transformers that the secondary winding floating voltage degree of balance is high |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103295749A CN103295749A (en) | 2013-09-11 |
| CN103295749B true CN103295749B (en) | 2015-11-04 |
Family
ID=49096465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310270792.XA Expired - Fee Related CN103295749B (en) | 2013-07-01 | 2013-07-01 | Two device body tandem cracking transformers that the secondary winding floating voltage degree of balance is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103295749B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531337B (en) * | 2013-10-21 | 2016-08-17 | 国家电网公司 | Double division rectifier transformers of the first siding ring series connection with magnet exciting coil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB742487A (en) * | 1953-02-20 | 1955-12-30 | Harry Howe | Improvements relating to electro-magnetic control devices |
| GB1074702A (en) * | 1964-02-07 | 1967-07-05 | Ass Elect Ind | Improvements relating to controlled transformers |
| CN101013627A (en) * | 2006-09-21 | 2007-08-08 | 魏明 | Method for increasing balancing winding effect of three phase transformer with output |
| CN201820615U (en) * | 2010-09-27 | 2011-05-04 | 中国西电电气股份有限公司 | Winding arrangement structure with balanced transformer |
-
2013
- 2013-07-01 CN CN201310270792.XA patent/CN103295749B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB742487A (en) * | 1953-02-20 | 1955-12-30 | Harry Howe | Improvements relating to electro-magnetic control devices |
| GB1074702A (en) * | 1964-02-07 | 1967-07-05 | Ass Elect Ind | Improvements relating to controlled transformers |
| CN101013627A (en) * | 2006-09-21 | 2007-08-08 | 魏明 | Method for increasing balancing winding effect of three phase transformer with output |
| CN201820615U (en) * | 2010-09-27 | 2011-05-04 | 中国西电电气股份有限公司 | Winding arrangement structure with balanced transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103295749A (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2017517871A (en) | Main transformer for wound iron core vehicle | |
| WO2011024179A3 (en) | Improved fault current limiter with saturated core | |
| US20160148747A1 (en) | Transformer | |
| KR101576814B1 (en) | High voltage wire leading method for stereoscopic wound core open ventilated dry-type transformer | |
| CN103295749B (en) | Two device body tandem cracking transformers that the secondary winding floating voltage degree of balance is high | |
| CN103219140A (en) | Current transformer | |
| ATE511193T1 (en) | METHOD AND DEVICE FOR OPERATING A TRANSFORMER | |
| CN110767435A (en) | Combined current transformer | |
| CN207602369U (en) | A kind of conjugated structure of three-phase integrated air reactor | |
| CN105448482A (en) | Magnetic flux leakage connected type magnetic shielding structure among transformer core limbs and loss reducing method | |
| RU119930U1 (en) | THREE PHASE TRANSFORMER | |
| RU184270U1 (en) | THREE-PHASE TRANSFORMER OF DC SUPPLY SUBSTANCES | |
| CN203277009U (en) | Demagnetization balance structure applied to double-main-post parallel transformer | |
| RU109909U1 (en) | THREE PHASE TRANSFORMER | |
| CN201918253U (en) | Electric current mutual inductor | |
| CN104376990A (en) | Lead structure of triangular iron roll core transformer | |
| RU172859U1 (en) | THREE-PHASE DC TRACING TRANSFORMER | |
| CN206541724U (en) | A kind of leakage field collocation structure | |
| CN203871166U (en) | High saturation flux density anti-resonance voltage transformer | |
| CN203277076U (en) | Current transformer | |
| CN204204598U (en) | Transformer | |
| CN204257348U (en) | Voltage transformer | |
| CN203607216U (en) | Transformer and coil structure thereof | |
| CN206134461U (en) | Can improve transformer of EMI effect | |
| CN207587499U (en) | A kind of automatic laminating type current transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150924 Address after: 071056 West Road, Hebei, Baoding, No. 2399, No. Applicant after: Baoding Tianwei Group Tebian Electric Co., Ltd. Address before: 071051, Hebei City, Baoding province ginkgo Road, No. 198 Jin Di garden complex Applicant before: Baoding Tianwei Group Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 Termination date: 20160701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |