CN103986343B - High-power intermediate frequency segmented high-voltage rectifying transformer - Google Patents
High-power intermediate frequency segmented high-voltage rectifying transformer Download PDFInfo
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- CN103986343B CN103986343B CN201410241436.XA CN201410241436A CN103986343B CN 103986343 B CN103986343 B CN 103986343B CN 201410241436 A CN201410241436 A CN 201410241436A CN 103986343 B CN103986343 B CN 103986343B
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- Prior art keywords
- iron core
- transformer
- armature winding
- secondary windings
- rectifier bridge
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000004804 winding Methods 0.000 claims abstract description 62
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011889 copper foil Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 9
- 239000005300 metallic glass Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 238000005367 electrostatic precipitation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000005427 atmospheric aerosol Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The invention discloses a kind of high-power intermediate frequency segmented high-voltage rectifying transformer, this transformer includes iron core, armature winding, secondary windings, rectifier bridge and oil tank of transformer;Armature winding is enclosed within iron core rod, secondary windings is sleeved on outside armature winding and iron core, armature winding is wound on primary skeleton by 14 sections of Copper Foils, secondary windings is wound on secondary framework by 1 40 sections of copper cash or aluminum steel, and the supporting rectifier bridge corresponding with each coil respectively of 1 40 sections of coils in secondary windings connects.Operating frequency range is up to 50~1000Hz, simultaneously can on 50~1000Hz the signal of the 10kHz~20kHz of superposition frequency again, its direct current output rated voltage scope is up to 60~120kV, and output rated power is not less than 80kW, the temperature rise≤80k run continuously at full capacity.Volume of the present invention is little, lightweight, simple in construction, is the ideal equipment of large-scale electrostatic precipitation high voltage power supply.
Description
Technical field
The invention belongs to special transformer and manufacture field, a kind of high-power intermediate frequency segmented high-voltage rectifying becomes
Depressor.
Background technology
In recent years, along with China's power industry is fast-developing, electrical network scale is increasing, and the environment with coal as fuel is dirty
Dye problem is more and more prominent, produces a large amount of dust after fire coal, and the common equipment administering dust is exactly electric cleaner, and current country is just
Formulating higher atmospheric aerosol discharge standard, the critical component-transformer of electric cleaner is being proposed requirements at the higher level.At present
Electrostatic precipitation high-voltage rectifying transformer operating frequency mostly be power frequency 50Hz or high frequency 10kHz~20kHz.The height of power frequency 50Hz
Voltage adjustment rectifier transformer, volume is big, and loss height, efficiency is low, and the efficiency of dust collection causing deduster is low.And high frequency 10kHz~20kHz
High-voltage rectifying transformer reactive power is higher, and active power is lower slightly, and the efficiency of dust collection also resulting in deduster is low.
Summary of the invention
For the problem overcoming existing above-mentioned transformer to exist, it is an object of the invention to provide a kind of high-power intermediate frequency segmentation
Formula high-voltage rectifying transformer, this transformer efficiency is more than 80kW, superposition frequency again in input service frequency range 50~1000Hz
10kHz~20kHz, 380~480V alternating voltages, output DC rated voltage scope is up to 60~120kV.Can appoint not increasing
In the case of what expense, original place substitutes current power frequency 50Hz and high frequency 10kHz~20kHz high-voltage rectifying transformer, improves and removes
The efficiency of dust collection of dirt device.
It is an object of the invention to be achieved through the following technical solutions:
A kind of high-power intermediate frequency segmented high-voltage rectifying transformer, including iron core, armature winding, secondary windings, rectifier bridge,
Folder from top to bottom and oil tank of transformer, it is characterised in that: iron core uses opening or non-crystaline amorphous metal of remaining silent, and armature winding group uses 1-4
Section Copper Foil is wound on the primary skeleton of 1-4 group, and secondary windings uses 1-40 section copper cash or aluminum steel to be wound on 1-4 group secondary framework;Just
Level skeleton, armature winding and secondary framework, secondary windings, by the way of series connection and parallel connection, are set on iron core rod;
1-4 section Copper Foil armature winding string in armature winding and after connecting with superpose frequency 10kHz~20kHz on 50~1000Hz again, 380
~480V alternating voltage is connected;1-40 section coil in secondary windings supporting rectifier bridge corresponding with each coil respectively connects, whole
Stream bridge is sequentially connected in series or is connected with lead-out terminal after parallel connection, and its direct current output rated voltage scope is up to 60~120kV, amount of exports
Determine power not less than 80kW.Iron core, armature winding, secondary windings and rectifier bridge are all arranged in oil tank of transformer.
In the present invention, when described iron core uses opening non-crystaline amorphous metal, iron core opening is positioned at top, colligation on iron core rod
It is fixed with iron core fixed plate;Be provided with the core support plate of secure fit in iron core fixed plate upper end, iron core fixed plate and iron core prop up
Fagging is made by epoxy resin bonded fiber or plank;Between core support plate with iron core, it is provided with the iron core become by silicane rubber plate silks delay
Punching, the opening part of iron core is overlapped on core support plate and iron core buffering;It is provided with lower cushion block in iron core lower end, supports at iron core
The device body gripper shoe being made up of epoxy resin bonded fiber or plank it is provided with between plate and lower cushion block;Device body gripper shoe and iron core fixed plate
Bottom be each attached in the groove of lower cushion block.
In the present invention, oil tank of transformer four sides is equipped with the corrugated plate of heat transmission, for increasing substantially heat dispersion, ripple
Sheet height 500~1000mm, corrugated plate width 100~200mm, corrugated plate spacing 30~50mm.For reducing stray loss, transformation
Nonmagnetic steel plate all selected by device folder from top to bottom and fuel tank top board.
In the present invention, rectifier bridge is connected with the 1-40 section coil in secondary windings, and rectifier bridge selects high pressure medium-high frequency diode
720 are had respectively with high pressure medium-high frequency resistance, high pressure mesohigh medium-high frequency electric capacity 20, high pressure medium-high frequency diode model RU4D
SIYU 001, high pressure medium-high frequency resistance model is FU 01J M1/2WJ 6M Ω, high pressure medium-high frequency electric capacity model HL F103M
15kV.The high pressure front end subsignal that rectifier bridge exports after being connected with the 1-40 section coil in secondary windings is connected on high pressure dividing potential drop
Then exporting on resistance, high pressure divider resistance model is RIG8B 100W 150M Ω.
Transformer secondary output winding is divided into 1-40 section coil winding to complete, each secondary windings total number of turns and the total circle of armature winding
Number is 1:(150~180 than scope), magnetizing inductance scope is 0.2~1H, leakage inductance scope≤40 μ H.
The present invention includes voltage sampling and current sampling.Voltage sampling is drawn from divider resistance lower end, and current sampling is from whole
Stream one section of bridge extraction, is connected formation voltage sampling terminal and current sampling terminal respectively with sample circuit.
Power of the present invention be more than 80kW, in input service frequency range 50~1000Hz the 10kHz of superposition frequency again~
20kHz, 380~480V alternating voltages, output DC rated voltage scope is up to 60~120kV.Any expense can not increased
In the case of, original place substitutes current power frequency 50Hz and high frequency 10kHz~20kHz high-voltage rectifying transformer, improves deduster
Efficiency of dust collection.Volume of the present invention is little, lightweight, simple in construction, is the ideal equipment of large-scale electrostatic precipitation high voltage power supply.
Accompanying drawing explanation
Fig. 1 is the internal machine body structure schematic diagram of high-power medium-frequency high-voltage rectifier transformer of the present invention.
Fig. 2-1 is the structural representation of the opening amorphous alloy iron core that the present invention uses.
Fig. 2-2 is the schematic side view of the opening amorphous alloy iron core that the present invention uses.
Fig. 3-1 is the structural representation of remain silent amorphous alloy iron core or microcrystalline iron core that the present invention uses.
Fig. 3-2 is the schematic side view of remain silent amorphous alloy iron core or microcrystalline iron core that the present invention uses.
Fig. 4 is the ultra-thin silicon steel plate iron core structural representation that the present invention uses.
Fig. 5-1 is the secondary windings rectangular framework structural representation that the present invention uses.
Fig. 5-2 is the secondary windings rectangular framework structure schematic top plan view that the present invention uses.
Fig. 6-1 is the secondary windings circular framework structural representation that the present invention uses.
Fig. 6-2 is the secondary windings circular framework structure schematic top plan view that the present invention uses.
Fig. 7 is the iron core fixed plate schematic diagram that the present invention uses.
Fig. 8 is the core support plate schematic diagram that the present invention uses.
Fig. 9 is the device body gripper shoe schematic diagram that the present invention uses.
Figure 10 is the lower cushion block schematic diagram that the present invention uses.
Detailed description of the invention
A kind of high-power intermediate frequency segmented high-voltage rectifying transformer, including iron core 1, armature winding 6, secondary windings 7, rectification
Bridge, folder from top to bottom and oil tank of transformer.The iron core used can select non-crystaline amorphous metal, ultracrystallite or ultra-thin silicon steel disc, work
Frequency is 50~1000Hz, it is also possible to be operated in the frequency range of the 10kHz~20kHz of superposition frequency again on 50~1000Hz.Iron
Core uses non-crystaline amorphous metal and during ultracrystallite, and core section amasss as rectangle, and sectional dimension is 170mm х 160mm or 170mm х
195mm, core structure is as depicted in figs. 1 and 2.When iron core uses ultra-thin silicon steel disc, core section amasss as multi-stage circular, sectional area
Prioritizing selection scope is 200cm2~350cm2, core structure is as shown in Figure 3.
Armature winding group uses 1-4 section Copper Foil to be wound on the primary skeleton of 1-4 group, and copper thickness prioritizing selection scope is
0.6mm~0.8mm, Copper Foil breadth-first range of choice is 80mm~250mm, and the number of turn prioritizing selection scope of armature winding is 6
~10, turn-to-turn or layer insulation use 0.2mm point gummed paper.When core section amasss as rectangle, primary skeleton sectional area is rectangle,
As shown in Figure 4, when core section amasss as multi-stage circular, primary skeleton sectional area is circular, as shown in Figure 5.
Secondary windings uses 1-40 section copper cash or aluminum steel to be wound on 1-4 group secondary framework.Copper cash or aluminum steel are round wires, its
Diameter prioritizing selection scope is Ф 0.8mm~Ф 1.0mm, and secondary windings number of plies prioritizing selection scope is 10~20, layer insulation
Use 0.08mm point gummed paper.When core section amasss as rectangle, secondary framework sectional area is rectangle, when core section amasss as multistage
Time circular, secondary framework sectional area is circular.Secondary windings skeleton structure schematic diagram is as shown in Figure 5.
Primary skeleton, armature winding and secondary framework, secondary windings, by the way of series connection and parallel connection, are set in iron
On core stem;1-4 section Copper Foil armature winding string in armature winding and after connecting with superpose again on 50~1000Hz frequency 10kHz~
20kHz, 380~480V alternating voltages are connected;The supporting rectification corresponding with each coil respectively of 1-40 section coil in secondary windings
Bridging connects, and rectifier bridge is sequentially connected in series or is connected with lead-out terminal after parallel connection, its direct current output rated voltage scope up to 60~
120kV, output rated power is not less than 80kW.Iron core, armature winding, secondary windings and rectifier bridge are all arranged on transformer oil
In case.
Seeing Fig. 1, when iron core selects the structure of opening non-crystaline amorphous metal type, transformer core 1 opening is on top, at the beginning of 6 are
Level winding, 7 is secondary windings, and 2 is iron core fixed plate, as it is shown in fig. 7, material selection epoxy resin bonded fiber or plank, iron core is solid
Determining plate to be fixed together with iron core stem stem colligation, 3 is core support plate, as shown in Figure 8, and material selection epoxy resin bonded fiber or wood
Plate, core support plate coordinates fixing with iron core fixed plate, and 5 is iron core buffering, material selection silicane rubber plate, the non-crystaline amorphous metal of opening
It is overlapped on core support plate 3 and iron core buffering 5.4 is device body gripper shoe, as it is shown in figure 9, material selection epoxy resin bonded fiber
Or plank, device body gripper shoe coordinates fixing with core support plate.8 is lower cushion block, and as shown in Figure 10, device body gripper shoe and iron core are solid
Determine plate bottom to be each attached in the groove of lower cushion block.Said structure is used to turn over after can avoiding the assembling of opening non-crystaline amorphous metal shaped iron core device body
Turn, reduce open circuit loss.
Claims (6)
1. a high-power intermediate frequency segmented high-voltage rectifying transformer, including iron core (1), armature winding (6), secondary windings (7),
Rectifier bridge, folder from top to bottom and oil tank of transformer, it is characterised in that: iron core (1) uses opening non-crystaline amorphous metal, and armature winding (6) is adopted
Being wound on the primary skeleton of 1-4 group with 1-4 section Copper Foil, secondary windings (7) uses 1-40 section copper cash or aluminum steel to be wound on the secondary bone of 1-4 group
On frame;Primary skeleton, armature winding (6) and secondary framework, secondary windings (7), by the way of series connection and parallel connection, are set with
On iron core rod;Frequency is superposed again with on 50~1000Hz after 1-4 section Copper Foil armature winding connection in series-parallel in armature winding (6)
10kHz~20kHz, 380~480V alternating voltages are connected;1-40 section coil in secondary windings (7) is corresponding with each coil respectively
Supporting rectifier bridge connects, and rectifier bridge is sequentially connected in series or is connected with lead-out terminal after parallel connection;Iron core (1), armature winding (6), secondary
Level winding (7) and rectifier bridge are all arranged in oil tank of transformer;Iron core (1) opening is positioned at top, colligation on iron core rod
It is fixed with iron core fixed plate (2);The core support plate (3) of secure fit, iron core fixed plate it is provided with in iron core fixed plate (2) upper end
(2) make by epoxy resin bonded fiber or plank with core support plate (3);Be provided with between core support plate (3) and iron core (1) by
Iron core buffering (5) that silicane rubber plate silks becomes, the opening part of iron core (1) be overlapped on core support plate (3) and iron core buffer (5) it
On;It is provided with lower cushion block (8) in iron core (1) lower end, is provided with by epoxy glass fabric between core support plate (3) and lower cushion block (8)
Device body gripper shoe (4) that plate or plank are made;The bottom of device body gripper shoe (4) and iron core fixed plate (2) is each attached to lower cushion block
(8) in groove.
High-power intermediate frequency segmented high-voltage rectifying transformer the most according to claim 1, it is characterised in that: oil tank of transformer
Four sides is equipped with the corrugated plate of heat transmission, and folder from top to bottom and transformer oil roof box all select nonmagnetic steel plate.
High-power intermediate frequency segmented high-voltage rectifying transformer the most according to claim 1, it is characterised in that: described rectifier bridge
Being connected with the 1-40 section coil in secondary windings (7), rectifier bridge selects high pressure medium-high frequency diode and high pressure medium-high frequency resistance to divide
There are not 720, high pressure medium-high frequency electric capacity 20, high pressure medium-high frequency diode model RU4D SIYU 001, high pressure medium-high frequency resistance
Model is FU 01J M1/2WJ 6M Ω, high pressure medium-high frequency electric capacity model HL F103M 15kV.
High-power intermediate frequency segmented high-voltage rectifying transformer the most according to claim 3, it is characterised in that: rectifier bridge is with secondary
The high pressure front end subsignal that 1-40 section coil in level winding exports after connecting is connected on high pressure divider resistance and then exports,
High pressure divider resistance model is RIG8B 100W 150M Ω.
High-power intermediate frequency segmented high-voltage rectifying transformer the most according to claim 1, it is characterised in that: transformer secondary output
Winding (7) is divided into 1-40 section coil winding to complete, and each secondary windings total number of turns and armature winding total number of turns are 1 than scope:
(150~180), magnetizing inductance scope is 0.2~1H, leakage inductance scope≤40 μ H.
High-power intermediate frequency segmented high-voltage rectifying transformer the most according to claim 1, it is characterised in that: iron core (1) is adopted
With microcrystalline iron core or ultra-thin silicon steel disc.
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CN201410241436.XA CN103986343B (en) | 2014-05-30 | 2014-05-30 | High-power intermediate frequency segmented high-voltage rectifying transformer |
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CN201410241436.XA CN103986343B (en) | 2014-05-30 | 2014-05-30 | High-power intermediate frequency segmented high-voltage rectifying transformer |
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CN103986343A CN103986343A (en) | 2014-08-13 |
CN103986343B true CN103986343B (en) | 2016-09-07 |
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Families Citing this family (5)
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CN104183360B (en) * | 2014-09-12 | 2016-09-07 | 江苏容天机电科技有限公司 | A kind of high-power medium-high frequency segmented high voltage pulse transformer |
CN104637655A (en) * | 2015-02-06 | 2015-05-20 | 南京工程学院 | Efficient amorphous alloy medium frequency transformer for direct-current networking |
CN109686538B (en) | 2018-12-11 | 2020-07-28 | 华为技术有限公司 | Transformer and power supply |
CN110085399A (en) * | 2019-05-29 | 2019-08-02 | 江苏容天机电科技有限公司 | A kind of high-frequency and high-voltage plasma transformer |
CN112820511B (en) * | 2020-12-31 | 2022-03-22 | 苏州博思得电气有限公司 | Filament transformer and X-ray high-voltage generator |
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CN1372278A (en) * | 2001-02-28 | 2002-10-02 | 台达电子工业股份有限公司 | High-frequency power transformer with primary and secondary winding all cross structure and its making method |
CN202049854U (en) * | 2011-04-28 | 2011-11-23 | 南京国电环保设备有限公司 | High-power high-frequency high-tension rectifier transformer |
CN102290222A (en) * | 2011-04-28 | 2011-12-21 | 南京国电环保设备有限公司 | High-power, high-frequency and high-voltage rectifier transformer |
CN102500468A (en) * | 2011-10-18 | 2012-06-20 | 艾尼科环保技术(安徽)有限公司 | High-voltage and medium-frequency power supply for electrostatic dust collector and power supply method thereof |
CN102814235A (en) * | 2012-09-04 | 2012-12-12 | 镇江天力变压器有限公司 | Parallel connection high frequency rectifying transformer for static dust extraction |
CN103066863A (en) * | 2012-12-25 | 2013-04-24 | 保定天威集团(江苏)五洲变压器有限公司 | Two-in-one voltage transformation rectifying device |
CN103366928A (en) * | 2013-08-08 | 2013-10-23 | 韩宝华 | Double-opening magnetic electric equipment iron core component body |
CN203872069U (en) * | 2014-05-30 | 2014-10-08 | 江苏容天机电科技有限公司 | High-power intermediate-frequency segmented type high-voltage rectification transformer |
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2014
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Patent Citations (8)
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CN1372278A (en) * | 2001-02-28 | 2002-10-02 | 台达电子工业股份有限公司 | High-frequency power transformer with primary and secondary winding all cross structure and its making method |
CN202049854U (en) * | 2011-04-28 | 2011-11-23 | 南京国电环保设备有限公司 | High-power high-frequency high-tension rectifier transformer |
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