CN203933439U - A kind of electrostatic precipitation micropulse transformer - Google Patents
A kind of electrostatic precipitation micropulse transformer Download PDFInfo
- Publication number
- CN203933439U CN203933439U CN201420303305.5U CN201420303305U CN203933439U CN 203933439 U CN203933439 U CN 203933439U CN 201420303305 U CN201420303305 U CN 201420303305U CN 203933439 U CN203933439 U CN 203933439U
- Authority
- CN
- China
- Prior art keywords
- transformer
- phase rectifier
- rectifier transformer
- micropulse
- pulse generator
- 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
- Rectifiers (AREA)
Abstract
The utility model relates to a kind of electrostatic precipitation micropulse transformer, comprise two three-phase rectifier transformers, storage capacitor, coupling capacitance, IGBT switch, electric cleaner, high-voltage pulse generator and oil tank of transformer, three-phase rectifier transformer is respectively the first three-phase rectifier transformer and the second three-phase rectifier transformer, the first three-phase rectifier transformer, the second three-phase rectifier transformer and high-voltage pulse generator are arranged at respectively in described oil tank of transformer, the first three-phase rectifier transformer connects the secondary side of high-voltage pulse generator, the second three-phase rectifier transformer connects the primary side of high-voltage pulse generator by storage capacitor, IGBT switch one end connects the positive pole of described storage capacitor, other end ground connection, the negative pole of storage capacitor connects the burning group of primary side, one end of coupling capacitance is connected with secondary side burning group, opposite side is connected with the second three-phase rectifier transformer and electric cleaner.Beneficial effect is: Nanoparticle and various senior middle schools low resistivity dust are all had to good dust removing effects.
Description
Technical field
The utility model relates to a kind of transformer, relates in particular to a kind of electrostatic precipitation micropulse transformer.
Background technology
Along with social development and the mankind's progress, people require further to improve to biological environment and air quality.Coal-burning power plant's dust emission standard value further drops to 30mg/ cubic meter even below 20mg/ cubic meter by 50mg/ cubic meter, and the discharge value of fine particle PM2.5 requires further to reduce.Current power frequency electrostatic precipitation transformer and medium-high frequency dust removing transformer can not meet the need.
Summary of the invention
The utility model object is to overcome the deficiency of above prior art, and a kind of electrostatic precipitation micropulse transformer is provided, and specifically has following technical scheme to realize:
Described electrostatic precipitation micropulse transformer, comprise two three-phase rectifier transformers, storage capacitor, coupling capacitance, IGBT switch, electric cleaner, high-voltage pulse generator and oil tank of transformer, described three-phase rectifier transformer is respectively the first three-phase rectifier transformer and the second three-phase rectifier transformer, described the first three-phase rectifier transformer, the second three-phase rectifier transformer and high-voltage pulse generator are arranged at respectively in described oil tank of transformer, the first three-phase rectifier transformer connects the secondary side of high-voltage pulse generator, the second three-phase rectifier transformer connects the primary side of high-voltage pulse generator by storage capacitor, described IGBT switch one end connects the positive pole of described storage capacitor, other end ground connection, the negative pole of storage capacitor connects the burning group of primary side, one end of described coupling capacitance is connected with secondary side burning group, opposite side is connected with the second three-phase rectifier transformer and electric cleaner.
The further design of described electrostatic precipitation micropulse transformer is, the primary side of described micropulse transformer is composed in parallel by two first side winding, each first side winding connects in turn respectively a storage capacitor, IGBT switch and described the second three-phase rectifier transformer and forms primary side branch road, and secondary side is a secondary side winding.
The further design of described electrostatic precipitation micropulse transformer is, the first three-phase rectifier transformer, the second three-phase rectifier transformer are connected to respectively filter inductance.
The further design of described electrostatic precipitation micropulse transformer is, described filter inductance is three, be respectively the first filter inductance, the second filter inductance and the 3rd filter inductance, described the first filter inductance two ends connect respectively the first three-phase rectifier transformer and electric cleaner, described the second filter inductance, the 3rd filter inductance are connected in a primary side branch road, and two ends connect respectively the IGBT switch of the second three-phase rectifier transformer and corresponding primary side branch road.
The further design of described electrostatic precipitation micropulse transformer is, the primary voltage of described high-voltage pulse generator is 2.5kV, and secondary voltage is 70kV, and voltage transmission is than K=28, pulse width T r=100us.
The further design of described electrostatic precipitation micropulse transformer is, the iron core of described high-voltage pulse generator is selected ultracrystallite material and the ultra-thin silicon steel of 0.2mm.
The further design of described electrostatic precipitation micropulse transformer is, the direct voltage of described the first three-phase rectifier transformer generation 40kV.
The further design of described electrostatic precipitation micropulse transformer is, the pulse voltage of described the second three-phase rectifier transformer generation 2.5kV.
Advantage of the present utility model is as follows:
Electrostatic precipitation micropulse Three-Phase Transformer rectifier transformer PT2 that the utility model provides produces 2.5KV output voltage+Ups, then produces 2～100HZ pulse, 75 microsecond pulsewidths, amplitude in the pulse voltage of 70KV through high-voltage pulse generator PT3.The common stack of pulse voltage of the 70KV that the 40KV high pressure-Udc being produced by three-phase rectifier transformer PT1 and high-voltage pulse generator PT3 produce, as total output voltage of pulse transformer, all has good dust removing effects to Nanoparticle and various senior middle schools low resistivity dust.
Accompanying drawing explanation
The circuit diagram of the electrostatic precipitation micropulse transformer that Fig. 1 provides for the utility model.
Fig. 2 is the peripheral circuit diagram of described transformer.
Fig. 3 is the schematic diagram of output voltage waveforms.
Embodiment
Below in conjunction with accompanying drawing, the utility model scheme is elaborated.
The electrostatic precipitation micropulse transformer that the present embodiment provides, is mainly comprised of two three-phase rectifier transformers, storage capacitor, coupling capacitance, IGBT switch, electric cleaner, high-voltage pulse generator and oil tank of transformer, referring to Fig. 1.Three-phase rectifier transformer is respectively the first three-phase rectifier transformer PT1 and the second three-phase rectifier transformer PT2.The first three-phase rectifier transformer PT1, the second three-phase rectifier transformer PT2 and high-voltage pulse generator PT3 are arranged in oil tank of transformer respectively.The first three-phase rectifier transformer PT1 connects the secondary side of high-voltage pulse generator PT3, for fundamental power supply is provided.The second three-phase rectifier transformer PT2 connects the primary side of high-voltage pulse generator by storage capacitor, for received pulse, power.
In the present embodiment, the first three-phase rectifier transformer PT1 produces the direct voltage of the fundamental power supply of 40kV.The second three-phase rectifier transformer produces the pulse voltage of 2.5kV.The present embodiment is by being used three-phase 400V supply voltage to produce direct voltage-Udc and pulse voltage+Ups.Three-phase 400V voltage is by boosting at the built-in three-phase rectifier transformer PT1 of fuel tank, 40KV high pressure-the Udc producing is by diode rectifier circuit and filter reactor, high voltage direct current supply power voltage as deduster, use the same method, three-phase 400V voltage is again by producing 2.5KV output voltage+Ups after three-phase rectifier transformer PT2 and rectifier diode, then produces 2～100HZ pulse, 75 microsecond pulsewidths, amplitude in the pulse voltage of 70KV through high-voltage pulse generator PT3.The common stack of pulse voltage of the 70KV that the 40KV high pressure-Udc being produced by three-phase rectifier transformer PT1 and high-voltage pulse generator PT3 produce is as total output voltage of pulse transformer, and its transformer peripheral circuit diagram is referring to Fig. 2, and output voltage waveforms is shown in Fig. 3.
In the present embodiment, IGBT switch one end connects the positive pole of storage capacitor, other end ground connection.The negative pole of storage capacitor Cs connects the burning group of primary side.One end of coupling capacitance Cc is connected with secondary side burning group, and opposite side is connected with the second three-phase rectifier transformer and electric cleaner.
The primary side of micropulse transformer is composed in parallel by two first side winding, and each first side winding connects respectively a storage capacitor, IGBT switch and the second three-phase rectifier transformer in turn, forms primary side branch road.Secondary side is a secondary side winding.Can reduce like this electric current of IGBT switch and high-voltage pulse generator armature winding.
The first three-phase rectifier transformer, the second three-phase rectifier transformer are connected to respectively filter inductance, to reduce the impact of high-voltage pulse to fundamental power supply and pulse power supply power supply.
Further, filter inductance is three, is respectively the first filter inductance L1, the second filter inductance Lps1 and the 3rd filter inductance Lps2.The first filter inductance L1 two ends connect respectively the first three-phase rectifier transformer PT1 and electric cleaner ESP, the second filter inductance Lps1, the 3rd filter inductance Lps2 are connected in a primary side branch road, and two ends connect respectively the IGBT switch of the second three-phase rectifier transformer PT2 and corresponding primary side branch road.
The primary voltage of this enforcement mesohigh pulse generator is 2.5kV, and secondary voltage is 70kV, and voltage transmission is than K=28, pulse width T r=100us.
In the present embodiment, high-voltage pulse generator PT3 is comprised of unshakable in one's determination, two groups of armature windings, one group of secondary winding, filter inductance LPS1 LPS2, storage capacitor CS, coupling capacitance CC, IGBT etc.The iron core of high-voltage pulse generator is selected ultracrystallite material and the ultra-thin silicon steel of 0.2mm, to reduce eddy current loss.Armature winding, because the larger single coil peak value of current ratio can reach 5000A, adopts Copper Foil coiling, pulse duration 100us, but the not high 2Hz～100Hz of repetition rate, the desirable 10A/mm of current density
2.Storage capacitor CS can have a plurality of electric capacity connection in series-parallel to form.Pulse forming switch can be selected the industrial IGBT module of 1600A/3300V.
Pulse generator PT3 is for reducing winding leakage inductance and distributed capacitance, and secondary winding adopts staged and layered coiling.Secondary winding adopts 1-20 section multiply copper stranded conductor or aluminium stranded conductor on 2 groups of secondary frameworks, the desirable 10A/m of current density
m2.Secondary winding skeleton structure schematic diagram as shown in Figure 4.
Three transformer bodies are arranged among a large tank, and electrical safety distance is moderate, and all these operates filter inductance LPS1 LPS2, storage capacitor CS, coupling capacitance CC, IGBT in insulating oil (O.T).Standard accessory has fuel outlet valve, earth clip, hanger, oil pressure table, thermometer, oilhole and pressure release safety device.
Claims (8)
1. an electrostatic precipitation micropulse transformer, it is characterized in that comprising two three-phase rectifier transformers, storage capacitor, coupling capacitance, IGBT switch, electric cleaner, high-voltage pulse generator and oil tank of transformer, described three-phase rectifier transformer is respectively the first three-phase rectifier transformer and the second three-phase rectifier transformer, described the first three-phase rectifier transformer, the second three-phase rectifier transformer and high-voltage pulse generator are arranged at respectively in described oil tank of transformer, the first three-phase rectifier transformer connects the secondary side of high-voltage pulse generator, the second three-phase rectifier transformer connects the primary side of high-voltage pulse generator by storage capacitor, described IGBT switch one end connects the positive pole of described storage capacitor, other end ground connection, the negative pole of storage capacitor connects the burning group of primary side, one end of described coupling capacitance is connected with secondary side burning group, opposite side is connected with the second three-phase rectifier transformer and electric cleaner.
2. electrostatic precipitation micropulse transformer according to claim 1, the primary side that it is characterized in that described micropulse transformer is composed in parallel by two first side winding, each first side winding connects in turn respectively a storage capacitor, IGBT switch and described the second three-phase rectifier transformer and forms primary side branch road, and secondary side is a secondary side winding.
3. electrostatic precipitation micropulse transformer according to claim 2, is characterized in that the first three-phase rectifier transformer, the second three-phase rectifier transformer are connected to respectively filter inductance.
4. electrostatic precipitation micropulse transformer according to claim 3, it is characterized in that described filter inductance is three, be respectively the first filter inductance, the second filter inductance and the 3rd filter inductance, described the first filter inductance two ends connect respectively the first three-phase rectifier transformer and electric cleaner, described the second filter inductance, the 3rd filter inductance are connected in a primary side branch road, and two ends connect respectively the IGBT switch of the second three-phase rectifier transformer and corresponding primary side branch road.
5. electrostatic precipitation micropulse transformer according to claim 1, the primary voltage that it is characterized in that described high-voltage pulse generator is 2.5kV, and secondary voltage is 70kV, and voltage transmission is than K=28, pulse width T r=100us.
6. electrostatic precipitation micropulse transformer according to claim 1, is characterized in that the iron core of described high-voltage pulse generator is selected ultracrystallite material and the ultra-thin silicon steel of 0.2mm.
7. electrostatic precipitation micropulse transformer according to claim 1, is characterized in that described the first three-phase rectifier transformer produces the direct voltage of 40kV.
8. electrostatic precipitation micropulse transformer according to claim 7, is characterized in that described the second three-phase rectifier transformer produces the pulse voltage of 2.5kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303305.5U CN203933439U (en) | 2014-06-10 | 2014-06-10 | A kind of electrostatic precipitation micropulse transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303305.5U CN203933439U (en) | 2014-06-10 | 2014-06-10 | A kind of electrostatic precipitation micropulse transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933439U true CN203933439U (en) | 2014-11-05 |
Family
ID=51829191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420303305.5U Expired - Fee Related CN203933439U (en) | 2014-06-10 | 2014-06-10 | A kind of electrostatic precipitation micropulse transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143933A (en) * | 2014-06-10 | 2014-11-12 | 江苏容天机电科技有限公司 | Electrostatic dust collection micropulse transformer |
-
2014
- 2014-06-10 CN CN201420303305.5U patent/CN203933439U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143933A (en) * | 2014-06-10 | 2014-11-12 | 江苏容天机电科技有限公司 | Electrostatic dust collection micropulse transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204010978U (en) | Single-phase axial quadripartion amorphous alloy dry-type isolating transformer | |
| CN103259425A (en) | High-power high-frequency high-voltage rectifier transformer | |
| CN203798966U (en) | Impact voltage-withstanding test system used for high-voltage electrical equipment insulation test | |
| CN201393172Y (en) | X-ray machine high-power energy storage device | |
| CN203933439U (en) | A kind of electrostatic precipitation micropulse transformer | |
| CN104660092B (en) | A kind of pulse triggering means for spark gap protection | |
| CN107069910A (en) | A kind of unmanned plane of utilization high-voltage line charging | |
| CN208939586U (en) | A kind of net electricity power supply system suitable for electric drilling machine | |
| CN204069467U (en) | A kind of soft switching power of activated plasma | |
| CN102364638A (en) | Three-phase rectifier transformer | |
| CN104143933A (en) | Electrostatic dust collection micropulse transformer | |
| CN102420043B (en) | Single-phase high-impedance auto-transformer | |
| CN204859031U (en) | Be used for strong charged high -voltage pulse generating device of thin granule | |
| CN203481841U (en) | Photovoltaic inverter system circuit structure based on auto transformer | |
| Hsieh et al. | An inductive wireless charger for electric vehicle by using LLC resonance with matrix ferrite core group | |
| CN204065267U (en) | A kind of ferroresonance loop based on DC magnetic biasing | |
| CN203387423U (en) | Intermediate-frequency high-voltage dual-output direct-current power supply system | |
| CN203839974U (en) | High-voltage tripolar direct-current power transmission system | |
| CN202332552U (en) | Efficient energy-saving three-phase transformer | |
| CN209249255U (en) | A kind of flat transformer | |
| Xu et al. | Electromagnetic scattering of high power traction transformer in high speed railway based on FEM | |
| CN204390862U (en) | The efficient non-crystaline amorphous metal intermediate frequency transformer of a kind of direct current networking | |
| CN201813157U (en) | Integrated arc suppression coil device | |
| CN203482104U (en) | Inverter | |
| CN203351360U (en) | Three-dimensional wound-core photovoltaic transformer with stable windings |
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 |
Granted publication date: 20141105 Termination date: 20190610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |