CN203872069U - High-power intermediate-frequency segmented type high-voltage rectification transformer - Google Patents
High-power intermediate-frequency segmented type high-voltage rectification transformer Download PDFInfo
- Publication number
- CN203872069U CN203872069U CN201420288962.7U CN201420288962U CN203872069U CN 203872069 U CN203872069 U CN 203872069U CN 201420288962 U CN201420288962 U CN 201420288962U CN 203872069 U CN203872069 U CN 203872069U
- Authority
- CN
- China
- Prior art keywords
- iron core
- transformer
- secondary winding
- winding
- frequency
- 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
Abstract
The utility model discloses a high-power intermediate-frequency segmented type high-voltage rectification transformer comprising an iron core, a primary winding, a secondary winding, rectifier bridges and a transformer oil tank. The primary winding sleeves the iron core central column. The secondary winding sleeves the external part of the primary winding and the iron core. The primary winding is wound on a primary framework by 1-4 segments of copper foils. The secondary winding is wound on a secondary framework by 1-40 segments of copper wires or aluminum wires. 1-40 segments of coils in the secondary winding are respectively connected with the rectifier bridges correspondingly matched with all the coils. Range of working frequency can be 50-1000Hz, and a signal with frequency of being 10kHz-20kHz can be superposed on 50-1000Hz. Range of DC output rated voltage can be 60-120kV, output rated power is not less than 80kW, and temperature rise of full-load continuous operation is less than or equal to 80k. The transformer is small in volume, low in weight and simple in structure so that the transformer is an ideal device for a large-scale electrostatic de-dusting high-voltage power supply.
Description
Technical field
The utility model belongs to special transformer and manufactures field, specifically a kind of high-power intermediate frequency segmented high-voltage rectifying transformer.
Background technology
In recent years, along with China's power industry fast development, electrical network scale is increasing, problem of environmental pollution taking coal as fuel is more and more outstanding, after coal-fired, produce a large amount of dust, the common equipment of administering dust is exactly electric cleaner, and country is formulating higher atmospheric aerosol discharge standard at present, and the critical component-transformer of electric cleaner has been proposed to requirements at the higher level.Current electrostatic precipitation high-voltage rectifying transformer operating frequency mostly is power frequency 50Hz or high frequency 10kHz～20kHz.The high-voltage rectifying transformer of power frequency 50Hz, volume is large, and loss is high, and efficiency is low, causes the ash removal efficiency of deduster low.And the high-voltage rectifying transformer reactive power of high frequency 10kHz～20kHz is higher, active power is lower slightly, also causes the ash removal efficiency of deduster low.
Summary of the invention
The problem existing in order to overcome existing above-mentioned transformer, the purpose of this utility model is to provide a kind of high-power intermediate frequency segmented high-voltage rectifying transformer, this transformer efficiency is greater than 80kW, frequency 10kHz～20kHz again superposes on input service frequency range 50～1000Hz, 380～480V alternating voltage, output DC rated voltage scope can reach 60～120kV.Can not increase in any expense situation, original place substitutes current power frequency 50Hz and high frequency 10kHz～20kHz high-voltage rectifying transformer, has improved the ash removal efficiency of deduster.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high-power intermediate frequency segmented high-voltage rectifying transformer, comprise iron core, armature winding, secondary winding, rectifier bridge, folder from top to bottom and oil tank of transformer, it is characterized in that: iron core adopts opening or the non-crystaline amorphous metal of remaining silent, armature winding group adopts 1-4 section Copper Foil to organize on elementary skeleton around 1-4, and secondary winding adopts 1-40 section copper cash or aluminum steel on 1-4 group secondary framework; Elementary skeleton, armature winding and secondary framework, secondary winding, by the mode of series and parallel connections, are set on iron core rod; 1-4 section Copper Foil armature winding string in armature winding and connect after with 50～1000Hz on the frequency 10kHz～20kHz that superposes again, 380～480V alternating voltage is connected; 1-40 section coil in secondary winding respectively supporting rectifier bridge corresponding to each coil connects, and rectifier bridge is connected with lead-out terminal after serial or parallel connection successively, and its direct current output rated voltage scope can reach 60～120kV, and output rated power is not less than 80kW.Iron core, armature winding, secondary winding and rectifier bridge are all arranged in oil tank of transformer.
In the utility model, when described iron core adopts opening non-crystaline amorphous metal, iron core opening is positioned at top, and on iron core rod, colligation is fixed with iron core fixed head; Be provided with the iron core supporting bracket of secure fit in iron core fixed head upper end, iron core fixed head and iron core supporting bracket are made by epoxy resin bonded fiber or plank; Between iron core supporting bracket and iron core, be provided with the iron core being become by silicane rubber plate silks and cushion, the opening part of iron core is overlapped on iron core supporting bracket and iron core buffering; Be provided with lower cushion block in iron core lower end, between iron core supporting bracket and lower cushion block, be provided with the device body supporting bracket of being made by epoxy resin bonded fiber or plank; The bottom of device body supporting bracket and iron core fixed head is all fixed in the groove of lower cushion block.
In the utility model, oil tank of transformer four sides is equipped with the corrugated plate of heat transmission, for increasing substantially heat dispersion, and corrugated plate height 500～1000mm, corrugated plate width 100～200mm, corrugated plate spacing 30～50mm.For reducing stray loss, transformer folder from top to bottom and fuel tank top board are all selected nonmagnetic steel plate.
In the utility model, rectifier bridge is connected with the 1-40 section coil in secondary winding, rectifier bridge selects high pressure medium-high frequency diode and high pressure medium-high frequency resistance to have respectively 720,20 of high pressure mesohigh medium-high frequency electric capacity, 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.After rectifier bridge is connected with the 1-40 section coil in secondary winding, the high pressure front end subsignal of output is connected on then output on high pressure divider resistance, and high pressure divider resistance model is RIG8B 100W 150M Ω.
Transformer secondary output winding is divided into 1-40 section coil winding to be completed, and each secondary winding total number of turns is 1:(150～180 with armature winding total number of turns than scope), magnetizing inductance scope is 0.2～1H, leakage inductance scope≤40 μ H.
The utility model comprises voltage sampling and current sampling.Voltage sampling is drawn from divider resistance lower end, and current sampling is drawn from one section of rectifier bridge, is connected to form voltage sampling terminal and current sampling terminal respectively with sample circuit.
The utility model power is greater than 80kW, the frequency 10kHz～20kHz that superposes again on input service frequency range 50～1000Hz, and 380～480V alternating voltage, output DC rated voltage scope can reach 60～120kV.Can not increase in any expense situation, original place substitutes current power frequency 50Hz and high frequency 10kHz～20kHz high-voltage rectifying transformer, has improved the ash removal efficiency of deduster.The utility model volume is little, lightweight, simple in structure, is the ideal equipment of large-scale electrostatic precipitation high voltage source.
Brief description of the drawings
Fig. 1 is the inner machine body structure schematic diagram of high-power medium-frequency high-voltage rectifier transformer of the present utility model.
Fig. 2-1st, the structural representation of the opening amorphous alloy iron core that the utility model uses.
Fig. 2-2nd, the schematic side view of the opening amorphous alloy iron core that the utility model uses.
Fig. 3-1st, the structural representation of remain silent amorphous alloy iron core or microcrystalline iron core that the utility model uses.
Fig. 3-2nd, the schematic side view of remain silent amorphous alloy iron core or microcrystalline iron core that the utility model uses.
Fig. 4 is the ultra-thin silicon steel plate iron core structural representation that the utility model uses.
Fig. 5-1st, the secondary winding rectangular framework structural representation that the utility model uses.
Fig. 5-2nd, the secondary winding rectangular framework structure schematic top plan view that the utility model uses.
Fig. 6-1st, the secondary winding circular framework structural representation that the utility model uses.
Fig. 6-2nd, the secondary winding circular framework structure schematic top plan view that the utility model uses.
Fig. 7 is the iron core fixed head schematic diagram that the utility model uses.
Fig. 8 is the iron core supporting bracket schematic diagram that the utility model uses.
Fig. 9 is the device body supporting bracket schematic diagram that the utility model uses.
Figure 10 is the lower cushion block schematic diagram that the utility model uses.
Embodiment
A kind of high-power intermediate frequency segmented high-voltage rectifying transformer, comprises iron core 1, armature winding 6, secondary winding 7, rectifier bridge, folder from top to bottom and oil tank of transformer.The iron core using can be selected non-crystaline amorphous metal, ultracrystallite or ultra-thin silicon steel disc, and operating frequency is 50～1000Hz, can also be operated in the frequency range of the frequency 10kHz～20kHz that superposes again on 50～1000Hz.When iron core adopts non-crystaline amorphous metal and ultracrystallite, core section amasss as rectangle, and sectional dimension is 170mm х 160mm or 170mm х 195mm, and core structure as depicted in figs. 1 and 2.When iron core adopts ultra-thin silicon steel disc, core section amasss as multi-stage circular, and the preferential range of choice of sectional area is 200cm
2～350cm
2, core structure as shown in Figure 3.
Armature winding group adopts 1-4 section Copper Foil to organize on elementary skeleton around 1-4, the preferential range of choice of copper thickness is 0.6mm～0.8mm, Copper Foil breadth-first range of choice is 80mm～250mm, and the preferential range of choice of the number of turn of armature winding is 6～10, and turn-to-turn or layer insulation adopt 0.2mm point gummed paper.In the time that core section amasss as rectangle, elementary skeleton sectional area is rectangle, and as shown in Figure 4, in the time that core section amasss as multi-stage circular, elementary skeleton sectional area is circular, as shown in Figure 5.
Secondary winding adopts 1-40 section copper cash or aluminum steel on 1-4 group secondary framework.Copper cash or aluminum steel are round line, and the preferential range of choice of its diameter is Ф 0.8mm～Ф 1.0mm, and the preferential range of choice of the secondary winding number of plies is 10～20, and layer insulation adopts 0.08mm point gummed paper.In the time that core section amasss as rectangle, secondary framework sectional area is rectangle, and in the time that core section amasss as multi-stage circular, secondary framework sectional area is circular.Secondary winding skeleton structure schematic diagram as shown in Figure 5.
Elementary skeleton, armature winding and secondary framework, secondary winding, by the mode of series and parallel connections, are set on iron core rod; 1-4 section Copper Foil armature winding string in armature winding and connect after with 50～1000Hz on the frequency 10kHz～20kHz that superposes again, 380～480V alternating voltage is connected; 1-40 section coil in secondary winding respectively supporting rectifier bridge corresponding to each coil connects, and rectifier bridge is connected with lead-out terminal after serial or parallel connection successively, and its direct current output rated voltage scope can reach 60～120kV, and output rated power is not less than 80kW.Iron core, armature winding, secondary winding and rectifier bridge are all arranged in oil tank of transformer.
Referring to Fig. 1, in the time that iron core is selected the structure of opening non-crystaline amorphous metal type, transformer core 1 opening is on top, the 6th, armature winding, the 7th, secondary winding, the 2nd, iron core fixed head, as shown in Figure 7, material selection epoxy resin bonded fiber or plank, iron core fixed head and the colligation of iron core stem stem are fixed together, the 3rd, iron core supporting bracket, as shown in Figure 8, material selection epoxy resin bonded fiber or plank, iron core supporting bracket is fixed with iron core fixed head, the 5th, iron core buffering, material selection silicane rubber plate, the non-crystaline amorphous metal of opening is overlapped on iron core supporting bracket 3 and iron core buffering 5.The 4th, device body supporting bracket, as shown in Figure 9, and material selection epoxy resin bonded fiber or plank, device body supporting bracket is fixed with iron core supporting bracket.The 8th, lower cushion block, as shown in figure 10, device body supporting bracket and iron core fixed head bottom are all fixed in the groove of lower cushion block.Adopt said structure can avoid overturning after the assembling of opening non-crystaline amorphous metal shaped iron core device body, reduced no-load loss.
Claims (7)
1. a high-power intermediate frequency segmented high-voltage rectifying transformer, comprise iron core (1), armature winding (6), secondary winding (7), rectifier bridge, folder from top to bottom and oil tank of transformer, it is characterized in that: iron core (1) adopts opening or the non-crystaline amorphous metal of remaining silent, armature winding (6) group adopts 1-4 section Copper Foil to organize on elementary skeleton around 1-4, and secondary winding (7) adopts 1-40 section copper cash or aluminum steel on 1-4 group secondary framework; Elementary skeleton, armature winding (6) and secondary framework, secondary winding (7), by the mode of series and parallel connections, are set on iron core rod; 1-4 section Copper Foil armature winding string in armature winding (6) and connect after with 50～1000Hz on the frequency 10kHz～20kHz that superposes again, 380～480V alternating voltage is connected; 1-40 section coil in secondary winding (7) respectively supporting rectifier bridge corresponding to each coil connects, and rectifier bridge is connected with lead-out terminal after serial or parallel connection successively; Iron core (1), armature winding (6), secondary winding (7) and rectifier bridge are all arranged in oil tank of transformer.
2. high-power intermediate frequency segmented high-voltage rectifying transformer according to claim 1, is characterized in that: described iron core (1) adopts opening non-crystaline amorphous metal, and iron core (1) opening is positioned at top, and on iron core rod, colligation is fixed with iron core fixed head (2); Be provided with the iron core supporting bracket (3) of secure fit in iron core fixed head (2) upper end, iron core fixed head (2) and iron core supporting bracket (3) are made by epoxy resin bonded fiber or plank; Between iron core supporting bracket (3) and iron core (1), be provided with the iron core buffering (5) being become by silicane rubber plate silks, the opening part of iron core (1) is overlapped on iron core supporting bracket (3) and iron core cushions on (5); Be provided with lower cushion block (8) in iron core (1) lower end, between iron core supporting bracket (3) and lower cushion block (8), be provided with the device body supporting bracket (4) of being made by epoxy resin bonded fiber or plank; The bottom of device body supporting bracket (4) and iron core fixed head (2) is all fixed in the groove of lower cushion block (8).
3. high-power intermediate frequency segmented high-voltage rectifying transformer according to claim 1, is characterized 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 are all selected nonmagnetic steel plate.
4. high-power intermediate frequency segmented high-voltage rectifying transformer according to claim 1, it is characterized in that: described rectifier bridge is connected with the 1-40 section coil in secondary winding (7), rectifier bridge selects high pressure medium-high frequency diode and high pressure medium-high frequency resistance to have respectively 720,20 of high pressure mesohigh medium-high frequency electric capacity, 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.
5. high-power intermediate frequency segmented high-voltage rectifying transformer according to claim 4, it is characterized in that: after rectifier bridge is connected with the 1-40 section coil in secondary winding, the high pressure front end subsignal of output is connected on then output on high pressure divider resistance, and high pressure divider resistance model is RIG8B 100W 150M Ω.
6. high-power intermediate frequency segmented high-voltage rectifying transformer according to claim 1, it is characterized in that: transformer secondary output winding (7) is divided into 1-40 section coil winding to be completed, each secondary winding total number of turns is 1:(150～180 with armature winding total number of turns than scope), magnetizing inductance scope is 0.2～1H, leakage inductance scope≤40 μ H.
7. high-power intermediate frequency segmented high-voltage rectifying transformer according to claim 1, is characterized in that: iron core (1) adopts microcrystalline iron core or ultra-thin silicon steel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288962.7U CN203872069U (en) | 2014-05-30 | 2014-05-30 | High-power intermediate-frequency segmented type high-voltage rectification transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288962.7U CN203872069U (en) | 2014-05-30 | 2014-05-30 | High-power intermediate-frequency segmented type high-voltage rectification transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872069U true CN203872069U (en) | 2014-10-08 |
Family
ID=51652988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420288962.7U Expired - Fee Related CN203872069U (en) | 2014-05-30 | 2014-05-30 | High-power intermediate-frequency segmented type high-voltage rectification transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986343A (en) * | 2014-05-30 | 2014-08-13 | 江苏容天机电科技有限公司 | High-power intermediate-frequency sectional type high-voltage rectifier transformer |
| CN109686538A (en) * | 2018-12-11 | 2019-04-26 | 华为技术有限公司 | A kind of transformer and power supply |
-
2014
- 2014-05-30 CN CN201420288962.7U patent/CN203872069U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986343A (en) * | 2014-05-30 | 2014-08-13 | 江苏容天机电科技有限公司 | High-power intermediate-frequency sectional type high-voltage rectifier transformer |
| CN103986343B (en) * | 2014-05-30 | 2016-09-07 | 江苏容天机电科技有限公司 | High-power intermediate frequency segmented high-voltage rectifying transformer |
| CN109686538A (en) * | 2018-12-11 | 2019-04-26 | 华为技术有限公司 | A kind of transformer and power supply |
| US11862377B2 (en) | 2018-12-11 | 2024-01-02 | Huawei Technologies Co., Ltd. | Transformer and power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103986343B (en) | High-power intermediate frequency segmented high-voltage rectifying transformer | |
| CN202049854U (en) | High-power high-frequency high-tension rectifier transformer | |
| CN202339809U (en) | Low-loss large-power high-frequency and high-voltage rectifier transformer for electrostatic precipitator | |
| CN102290222A (en) | High-power, high-frequency and high-voltage rectifier transformer | |
| CN203872069U (en) | High-power intermediate-frequency segmented type high-voltage rectification transformer | |
| CN105742032A (en) | Double-voltage coil for photovoltaic transformer and winding method of double-voltage coil | |
| CN103595290B (en) | A kind of high-voltage oscillation wave producer modular electronic switch | |
| CN201829310U (en) | Test transformer | |
| CN101826391B (en) | Segmented layered structure transformer | |
| CN202871526U (en) | Dry type traction rectifier transformer for urban rail transit | |
| CN206116167U (en) | Integrated leakage inductance resonance transformer | |
| CN102420043B (en) | Single-phase high-impedance auto-transformer | |
| CN202725331U (en) | Parallel high frequency rectifier transformer for electrostatic precipitation | |
| CN101968992B (en) | Railway traction transformer | |
| CN102814235A (en) | Parallel connection high frequency rectifying transformer for static dust extraction | |
| CN106783109A (en) | A kind of Inverter Experimental transformer | |
| CN206471219U (en) | Inverter Experimental transformer | |
| CN202473566U (en) | 6kV-10kV dual-voltage conversion input dry type power distribution transformer | |
| CN206657711U (en) | A kind of band 380V assists winding photovoltaic generation dry-type transformers | |
| CN207367763U (en) | Ocean platform changes input Multiple coil dry-type transformer with 6-10kV twin voltages | |
| CN201813157U (en) | Integrated arc suppression coil device | |
| CN204045319U (en) | A kind of high-power medium-high frequency segmented high voltage pulse transformer | |
| CN204390862U (en) | The efficient non-crystaline amorphous metal intermediate frequency transformer of a kind of direct current networking | |
| CN204390874U (en) | A kind of Split type transformer skeleton and transformer thereof | |
| CN201781422U (en) | Integral high-voltage rectifier transformer |
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: 20141008 Termination date: 20190530 |