CN203423055U - Oil-immersed rectifier transformer for high-power high-voltage frequency conversion - Google Patents
Oil-immersed rectifier transformer for high-power high-voltage frequency conversion Download PDFInfo
- Publication number
- CN203423055U CN203423055U CN201320507819.8U CN201320507819U CN203423055U CN 203423055 U CN203423055 U CN 203423055U CN 201320507819 U CN201320507819 U CN 201320507819U CN 203423055 U CN203423055 U CN 203423055U
- Authority
- CN
- China
- Prior art keywords
- frequency conversion
- rectifier transformer
- voltage frequency
- power
- oil immersed
- 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 - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 38
- 239000003921 oil Substances 0.000 claims abstract description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001347978 Major minor Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
An oil-immersed rectifier transformer for high-power high-voltage frequency conversion is characterized in that two transformer bodies are adopted for the oil-immersed rectifier transformer for high-power high-voltage frequency conversion, the high-voltage connection of one transformer body is triangular, and the high-voltage connection of the other transformer body is in the shape of Y. A 30-degree phase difference exists between the two transformer bodies of the oil-immersed rectifier transformer for high-power high-voltage frequency conversion to achieve 36 pulse wave output. High-permeability grain orientation silicon steel sheet seven-stage joints are adopted for the oil-immersed rectifier transformer for high-power high-voltage frequency conversion, high-voltage leads and low-voltage leads are of lead clamping structures, and reinforcing iron is arranged on the lower portion of an oil tank. Compared with the prior art, the oil-immersed rectifier transformer for high-power high-voltage frequency conversion has the advantages of being reasonable in structure, low in loss, temperature rise and noise and high in short-circuit prevention capacity.
Description
Technical field
The utility model relates to field transformer, especially a kind of high-power high voltage frequency conversion oil immersed type rectifier transformer.
Background technology
In existing AC variable-frequency speed regulation system, it is all less that oil immersed type rectifier transformer capacity is joined by institute, and the Homemade Transformers using in high power AC frequency conversion speed-adjusting system is all dry-type rectifier transformer, but because environment for use is severe, the easy moisture absorption of dry-type rectifier transformer is damaged, and useful life is shorter, and auxiliary facility is complicated, fault point is many, and oil immersed type rectifier transformer can meet all-environment stable operation completely.The oil immersed type rectifier transformer using in the high power AC frequency conversion speed-adjusting system of current domestic operation is all imported product.
Summary of the invention
The purpose of this utility model is to provide a kind of high-power high voltage frequency conversion oil immersed type rectifier transformer, high-power high voltage frequency conversion adopts two device bodies with oil immersed type rectifier transformer, a device height compression bonded line connects for " △ ", another device height compression bonded line connects for " Y ", between two device bodies, there is the phase difference of 30o to realize 36 pulse waves outputs, have advantages of that low-loss, low-temperature-rise, low noise, anti-short circuit capability are strong.
For achieving the above object, the utility model is realized by the following technical solutions:
A frequency conversion oil immersed type rectifier transformer, is characterized in that, described high-power high voltage frequency conversion adopts two device bodies with oil immersed type rectifier transformer, and a device height compression bonded line connects for " △ ", and another device height compression bonded line connects for " Y ".
Described high-power high voltage frequency conversion is with there being the phase difference of 30o between oil immersed type rectifier transformer two device bodies.
Described high-power high voltage frequency conversion has adopted seven grades of seams of high magnetic conduction grain oriented silicon steel sheet with oil immersed type rectifier transformer.
Described high-power high voltage frequency conversion adopts lead-in wire clamp structure with high-voltage connection and the low-voltage lead of oil immersed type rectifier transformer.
Described high-power high voltage frequency conversion arranges reinforcement iron with the fuel tank bottom of oil immersed type rectifier transformer.
Compared with prior art, the beneficial effects of the utility model are:
A frequency conversion oil immersed type rectifier transformer, rational in infrastructure, low-loss, low-temperature-rise, low noise, anti-short circuit capability are strong.
Accompanying drawing explanation
Fig. 1 is the utility model winding arrangement structure schematic diagram.
Fig. 2 is the utility model high pressure lead wire structure figure.
Fig. 3 is the utility model low voltage lead structure figure.
Fig. 4 is the utility model transformer contour structures schematic diagram.
1-three pillar type 2-high pressure unshakable in one's determination winding △ 3-high pressure winding Y 4-low pressure winding 5-high-voltage connection 6-low-voltage lead 7 sleeve pipe 8-case lids
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further illustrated:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, high-power high voltage frequency conversion oil immersed type rectifier transformer, adopt two device bodies, a device height compression bonded line connects for " △ ", another device height compression bonded line connects for " Y ", has the phase difference of 30o to realize 36 pulse wave outputs between device body, and three pillar type iron core 1 has adopted seven grades of seams of high magnetic conduction grain oriented silicon steel sheet, high-voltage connection 5 and low-voltage lead 6 adopt lead-in wire clamp structure, and high-power high voltage frequency conversion arranges reinforcement iron with oil immersed type oil tank for rectifier transformer 8 bottoms.
High-power high voltage frequency conversion adopts two device bodies with oil immersed type rectifier transformer, each device body is divided equally total capacity, one of them device is as high pressure winding △ 2, another is device height pressure winding Y 3, for single transformer, every transformer is exported 18 pulse waves, but these two transformers connected in parallel operate to transducer power unit, and " △ " connects and " Y " has the phase difference of 30o between connecing, and so just can be implemented as the power supply that power cell provides 36 pulse waves.High-power high voltage frequency conversion is 6 low pressure windings 4 with the every of oil immersed type rectifier transformer mutually, because each power cell requires the voltage of transformer output as far as possible consistent, so namely transformer must guarantee that the impedance of partly passing through of each low pressure winding 4 must balance, according to size and the position of software calculating and the adjustment of correlation experience in the past transformer coil, the impedance unbalance rate of partly the passing through <2% of transformer.High-power high voltage frequency conversion is 12 power cell power supplies with oil immersed type rectifier transformer, the load of each power cell of system requirements needs balanced distribution, by software, calculate the current balance type that reasonably 6 low pressure windings 4 of the every phase of layout are exported to reach each low-voltage coil, the waveform of power cell output approaches perfect like this.
High-power high voltage frequency conversion by the Electric Field Numerical Calculation of insulation system, wave process are calculated, proposed rationally with oil immersed type rectifier transformer, optimized, economic Main Insulation Structure of Electric, longitudinal insulating structure; By to bearing the analytical calculation of short-circuit capacity, adopt an effective measure, make transformer device structure anti-short circuit capability stronger.Meeting on the basis of insulation and heat radiation, rationally adjusting ampere-turn distributes, a plurality of designs are carried out to the contrast of short circuit mechanical force and intensity, the mechanical vibration force that transformer produces when bearing short circuit is reduced as far as possible, and improve the supporting construction of coil, consider that the flakiness ratio of wire is within rational scope, the working strength of intensifier coil, has improved design safety factor (DSF).Coil adopts half hard copper to come buckling of intensifier coil itself and axial strength.Reasonably design coil overhang insulation structure, strengthen the intensity of end pressing plate, guarantee that coil reaches the axial precompression of designing requirement.Adopt major-minor pressure plate structure; With cylinder pressure compactor after one's death, fix and lock nail pressing, guarantee device body and stretching unshakable in one's determination.
High-power high voltage frequency conversion has adopted 7 grades of seams of high magnetic conduction grain oriented silicon steel sheet with oil immersed type rectifier transformer three pillar type iron core 1, adopts vibration reducing measure in Core Design, and in feet unshakable in one's determination, place has designed cushion blocking.Oil tank of transformer has designed denoising device, can effectively reduce the noise that transformer produces like this.
High-power high voltage frequency conversion is put many lead-in wires in order with oil immersed type rectifier transformer according to outlet order after, lead-in wire in clamping place of wooden part clamping plate adds the certain thickness attached insulation of bag, by process add the attached insulation of bag with lead-in wire after with thick fixture, be placed in the middle of two wooden part clamping plate, and fix with bakelite bolt.Adopt so rational lead-in wire clamp structure, guaranteed that lead-in wire has enough mechanical strengths.
High-power high voltage frequency conversion oil immersed type oil tank for rectifier transformer, is arranged in reinforcement iron below case lid 8 low-voltage interface flanges, and in the middle of low-tension bushing 7, two ends withstand on case lid opening edge and weld, and have solved the problem of the excessive insufficient strength of case lid 8 opening; While is welded with again a reinforcement iron below whole case lid, and welded together with last reinforcement iron, thereby has effectively increased the bulk strength of case lid.
Claims (5)
1. a high-power high voltage frequency conversion oil immersed type rectifier transformer, is characterized in that, described high-power high voltage frequency conversion adopts two device bodies with oil immersed type rectifier transformer, and a device height compression bonded line connects for " △ ", and another device height compression bonded line connects for " Y ".
2. a kind of high-power high voltage frequency conversion oil immersed type rectifier transformer according to claim 1, is characterized in that, described high-power high voltage frequency conversion is with there being the phase difference of 30o between oil immersed type rectifier transformer two device bodies.
3. a kind of high-power high voltage frequency conversion oil immersed type rectifier transformer according to claim 1, is characterized in that, described high-power high voltage frequency conversion has adopted seven grades of seams of high magnetic conduction grain oriented silicon steel sheet with oil immersed type rectifier transformer.
4. a kind of high-power high voltage frequency conversion oil immersed type rectifier transformer according to claim 1, is characterized in that, described high-power high voltage frequency conversion adopts lead-in wire clamp structure with high-voltage connection and the low-voltage lead of oil immersed type rectifier transformer.
5. a kind of high-power high voltage frequency conversion oil immersed type rectifier transformer according to claim 1, is characterized in that, described high-power high voltage frequency conversion arranges reinforcement iron with the fuel tank bottom of oil immersed type rectifier transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320507819.8U CN203423055U (en) | 2013-08-16 | 2013-08-16 | Oil-immersed rectifier transformer for high-power high-voltage frequency conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320507819.8U CN203423055U (en) | 2013-08-16 | 2013-08-16 | Oil-immersed rectifier transformer for high-power high-voltage frequency conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423055U true CN203423055U (en) | 2014-02-05 |
Family
ID=50022147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320507819.8U Expired - Lifetime CN203423055U (en) | 2013-08-16 | 2013-08-16 | Oil-immersed rectifier transformer for high-power high-voltage frequency conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413665A (en) * | 2013-08-16 | 2013-11-27 | 辽宁华冶集团发展有限公司 | High-power high-voltage frequency conversion oil-immersed rectifier 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 |
-
2013
- 2013-08-16 CN CN201320507819.8U patent/CN203423055U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413665A (en) * | 2013-08-16 | 2013-11-27 | 辽宁华冶集团发展有限公司 | High-power high-voltage frequency conversion oil-immersed rectifier transformer |
| CN103413665B (en) * | 2013-08-16 | 2016-03-30 | 辽宁华冶集团发展有限公司 | A kind of high-power high voltage frequency conversion oil immersed type rectifier 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103413665B (en) | A kind of high-power high voltage frequency conversion oil immersed type rectifier transformer | |
| CN103280305B (en) | A kind of 132kV level 36 pulse wave drive rectifier transformer | |
| CN1933058B (en) | Method for producing tri-splitting drive rectifier transformer | |
| CN204010978U (en) | Single-phase axial quadripartion amorphous alloy dry-type isolating transformer | |
| CN203423055U (en) | Oil-immersed rectifier transformer for high-power high-voltage frequency conversion | |
| WO2013078845A1 (en) | Single phase transformer | |
| CN105006353A (en) | Oil-immersed 54 pulse wave frequency conversion transformer for large-power high-voltage frequency conversion apparatus | |
| CN103500632A (en) | 66kV burst short circuit transformer | |
| CN101640120A (en) | Transformer changing from three phases to single phase | |
| CN202178139U (en) | Two-split rectifier transformer | |
| CN202585074U (en) | Changeable type test intermediate transformer device | |
| CN102543398B (en) | Transformer for realizing voltage change through changeover of leads | |
| CN201788782U (en) | High-frequency transformer | |
| CN201498348U (en) | Triphase-to-single-phase transformer | |
| CN208971399U (en) | A magnetron resonance power frequency test power supply | |
| CN202178138U (en) | Three-split rectifier transformer | |
| CN206697336U (en) | A kind of low drain sense Large Copacity high frequency middle high-pressure transformer | |
| CN202034208U (en) | Photovoltaic phase shifting rectification transformer | |
| CN209591768U (en) | A kind of band auxiliary winding transformer | |
| CN109545522B (en) | Oil-immersed variable-frequency transformer for 110kV high-power high-voltage variable-frequency device | |
| CN102568766A (en) | Conjugated rectifier transformer device | |
| CN102684321A (en) | High-hydraulic chamber inside-outside noncontact electric power transmission system and transmission method thereof | |
| CN201508753U (en) | Oil immersion-type rectifier transformer specially used for frequency conversion | |
| CN202190076U (en) | Comprehensive electricity saver | |
| CN202067637U (en) | 10kV energy-saving material-saving transformer of S13 series |
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: 20140205 |