CN201048075Y - 18 pulse wave commutator transformer - Google Patents
18 pulse wave commutator transformer Download PDFInfo
- Publication number
- CN201048075Y CN201048075Y CNU2007200382285U CN200720038228U CN201048075Y CN 201048075 Y CN201048075 Y CN 201048075Y CN U2007200382285 U CNU2007200382285 U CN U2007200382285U CN 200720038228 U CN200720038228 U CN 200720038228U CN 201048075 Y CN201048075 Y CN 201048075Y
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Abstract
The utility model relates to an 18 pulse rectiformer, a valve side and primary side winding switches in a three phase electric power system, a valve side and second side winding is a three winding assembly, each phase consists of 15 groups of windings of a1-a5 and b1-b5 and c1-c5, which are wound on three 3-phase 3-column iron cores with same section. The utility model reduces the number of the transformers required by the former 18 pulse rectiformer, lowers the installation complexity and ensures the working performance of the transformer, lowers effectively the cost, and shortens the installation space of the transformer.
Description
Technical field
The utility model belongs to the transformer technology field, is specifically related to 18 pulse wave rectifier transformers.
Background technology
Powerful device adopt many pulse numbers Rectification Power Factor, carry out phase shift and reach many pulse numbers by the phase shift winding is set at primary side, difference along with required pulse number, the rectifier transformer platform number of parallel operation is also different, pulse number is three different rectifier transformer parallel runnings of Rectification Power Factor needs of 18, complexity is installed, the cost height, it is big to take up room.
Summary of the invention
Problem to be solved in the utility model is: existing 18 pulse wave rectifier units are installed complicated, the cost height, and it is big to take up room, a kind of 18 pulse wave rectifier transformers that collect three in are provided, reduce the complexity of installing and do not reduce performance, effectively reduce cost, reduce installation footprint greatly.
The technical solution of the utility model is: 18 pulse wave rectifier transformers, and transformer net side primary coil is a delta connection, inserts three-phase electrical power system; Valve side secondary winding is the three-phase coil group, every by coil a1-a5, b1-b5, totally 15 groups of coils of c1-c5 forms, and all is wound on the uiform section three-phase three-column iron core, wherein the common connecting to neutral of an end of c2, b2, a2, c2, b2, the a2 other end meet a1, c1, b1 respectively, c2, a1, b2, c1 have two groups and differ the θ degree on phase places among a2, the b1; C5, b5, the common connecting to neutral of a5 one end, c5, b5, the a5 other end meet b4, a4, c4 respectively, c5, b4, b5, a4 have two groups and differ the θ degree on phase places among a5, the c4; The common connecting to neutral of an end of a3, b3, c3 wherein has two coils to differ the θ degree on phase place, and θ is greater than 0 degree, less than 180 degree.
The utility model transformer net side primary coil can also be star-star connection, described coil a1-a5, and b1-b5, the number of turn of c1-c5 is closed and is: a1=b1=c1=a4=b4=c4, a2=b2=c2=a5=b5=c5, a3=b3=c3.
The utility model has reduced the platform number of the required transformer of former 18 pulse wave rectifier transformers, has reduced the service behaviour that complexity guarantees transformer simultaneously is installed, and effectively reduces cost, has reduced the transformer installing space.
Description of drawings
Fig. 1 is the utility model structure chart.
Fig. 2 is the utility model valve side secondary winding winding diagram.
Fig. 3 is the utility model valve side secondary winding vectogram corresponding with Fig. 2.
Fig. 4 is the utility model net side primary coil winding diagram.
Fig. 5 is the utility model net side primary coil vectogram.
Embodiment
Fig. 1 is the utility model structure chart, and wherein T is a former limit voltage regulation coil, and G is the basic coil in former limit, primary coil delta connection figure as shown in Figure 4, A, B, C termination are gone into three-phase electrical power system; Valve side secondary winding is the three-phase coil group, every by coil a1-a5, b1-b5, totally 15 groups of coils of c1-c5 forms, and wherein coil a1, b1, c1 are designated as the D1 group, and a2, b2, c2 are designated as the D2 group, a3, b3, c3 are designated as the D3 group, a4, b4, c4 are designated as the D4 group, and a5, b5, c5 are designated as the D5 group, all are wound on the uiform section three-phase three-column iron core.
The connection of valve side secondary winding as shown in Figure 2, the common connecting to neutral of an end of c2, b2, a2, c2, b2, the a2 other end meet a1, c1, b1 respectively; C5, b5, the common connecting to neutral of a5 one end, c5, b5, the a5 other end meet b4, a4, c4 respectively; The common connecting to neutral of an end of a3, b3, c3; The vectogram of all connections as shown in Figure 3, c2, a1, b2, c1 have two groups and differ on phase place+the θ degree among a2, the b1; C5, b4, b5, a4 have two groups and differ on phase place-the θ degree among a5, the c4; A3, b3, c3 differ 120 degree respectively on phase place; Wherein θ is greater than 0 degree, less than 180 degree.
The D1 of each phase, D3, D4 group coil connect output, and the coil of identical numbering connects same output, and totally nine taps of the three-phase coil of valve side secondary winding picks out end formation 18 pulse waves.
Claims (3)
1.18 the pulse wave rectifier transformer is characterized in that transformer net side primary coil is a delta connection, inserts three-phase electrical power system; Valve side secondary winding is the three-phase coil group, every by coil a1-a5, b1-b5, totally 15 groups of coils of c1-c5 forms, and all is wound on the uiform section three-phase three-column iron core, wherein the common connecting to neutral of an end of c2, b2, a2, c2, b2, the a2 other end meet a1, c1, b1 respectively, c2, a1, b2, c1 have two groups and differ the θ degree on phase places among a2, the b1; C5, b5, the common connecting to neutral of a5 one end, c5, b5, the a5 other end meet b4, a4, c4 respectively, c5, b4, b5, a4 have two groups and differ the θ degree on phase places among a5, the c4; The common connecting to neutral of an end of a3, b3, c3 wherein has two coils to differ the θ degree on phase place; θ is greater than 0 degree, less than 180 degree.
2. 18 pulse wave rectifier transformers according to claim 1 is characterized in that transformer net side primary coil is star-star connection.
3. 18 pulse wave rectifier transformers according to claim 1 and 2 is characterized in that described coil a1-a5, b1-b5, and the number of turn of c1-c5 is closed and is: a1=b1=c1=a4=b4=c4, a2=b2=c2=a5=b5=c5, a3=b3=c3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200382285U CN201048075Y (en) | 2007-06-13 | 2007-06-13 | 18 pulse wave commutator transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200382285U CN201048075Y (en) | 2007-06-13 | 2007-06-13 | 18 pulse wave commutator transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201048075Y true CN201048075Y (en) | 2008-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200382285U Expired - Lifetime CN201048075Y (en) | 2007-06-13 | 2007-06-13 | 18 pulse wave commutator transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201048075Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819866A (en) * | 2010-04-28 | 2010-09-01 | 龚秋声 | Novel three-phase equilibrium transformer |
| CN105006353A (en) * | 2015-07-20 | 2015-10-28 | 辽宁华冶集团发展有限公司 | Oil-immersed 54 pulse wave frequency conversion transformer for large-power high-voltage frequency conversion apparatus |
| CN105244153A (en) * | 2015-11-10 | 2016-01-13 | 东莞市力与源电器设备有限公司 | 18-pulse self-coupling phase-shifting transformer |
| CN105742039A (en) * | 2016-05-03 | 2016-07-06 | 江西变压器科技股份有限公司 | Coil structure of single-set single-transformer-body 18-pulsewave rectifier transformer |
| CN105788830A (en) * | 2016-05-19 | 2016-07-20 | 东莞市光华实业有限公司 | 200kVA36 pulse phase-shifting transformer |
| CN106229124A (en) * | 2016-08-30 | 2016-12-14 | 合肥申通电力科技有限公司 | A kind of bidirectional balanced transformator |
-
2007
- 2007-06-13 CN CNU2007200382285U patent/CN201048075Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819866A (en) * | 2010-04-28 | 2010-09-01 | 龚秋声 | Novel three-phase equilibrium transformer |
| CN105006353A (en) * | 2015-07-20 | 2015-10-28 | 辽宁华冶集团发展有限公司 | Oil-immersed 54 pulse wave frequency conversion transformer for large-power high-voltage frequency conversion apparatus |
| CN105244153A (en) * | 2015-11-10 | 2016-01-13 | 东莞市力与源电器设备有限公司 | 18-pulse self-coupling phase-shifting transformer |
| CN105742039A (en) * | 2016-05-03 | 2016-07-06 | 江西变压器科技股份有限公司 | Coil structure of single-set single-transformer-body 18-pulsewave rectifier transformer |
| CN105788830A (en) * | 2016-05-19 | 2016-07-20 | 东莞市光华实业有限公司 | 200kVA36 pulse phase-shifting transformer |
| CN106229124A (en) * | 2016-08-30 | 2016-12-14 | 合肥申通电力科技有限公司 | A kind of bidirectional balanced transformator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080416 |