CN103516183A - Spraying power supply three-phase filter - Google Patents
Spraying power supply three-phase filter Download PDFInfo
- Publication number
- CN103516183A CN103516183A CN201310459389.1A CN201310459389A CN103516183A CN 103516183 A CN103516183 A CN 103516183A CN 201310459389 A CN201310459389 A CN 201310459389A CN 103516183 A CN103516183 A CN 103516183A
- Authority
- CN
- China
- Prior art keywords
- capacitor
- filter
- inductance
- network
- filtering
- 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.)
- Pending
Links
Images
Abstract
The invention provides a spraying power supply three-phase filter which comprises a first capacitance filtering network, an inductance filtering network and a second capacitance filtering network. The first capacitance filtering network is connected with input three-phase electricity and has a filtering effect on high-frequency clutter in the input three-phase electricity. The inductance filtering network which has a filtering effect on high-frequency clutter is connected after the first capacitance filtering network. The second capacitance filtering network which has a filtering effect on high-frequency clutter is connected after the inductance filtering network. The first capacitance filtering network comprises capacitors C1, C2 and C3. The inductance filtering network comprises filtering inductors L1, L2 and L3. The three filtering inductors are connected in series in electricity of the phases. The high reactance characteristic of the inductors on high-frequency clutter is used, and a filtering effect on high-frequency clutter is enhanced. The second capacitance filtering network comprises capacitors C4, C5 and C6 and has a further filter effect on high-frequency clutter in the three-phase electricity. According to the spraying power supply three-phase filter, the power supply quality of a spraying power supply is improved, so that the spraying effect of the spraying power supply is better during working.
Description
Technical field
The present invention relates to power-supply device, especially a kind of Three-phase electric-wave filter that improves the high-frequency ripple effect of power supply.
Background technology
The filtering of general three phase mains input power be all with mutually electricity with mutually between electricity 225P electric capacity in parallel carry out filtering (as shown in Figure 1), this mode is simple and practical can also obtain good effect for general occasion, the inverter energy-efficient along with industrial expansion has been commonly used as (inversion welding machine, plasma cutting, spraying source, Laser Power Devices, high power switching power supply, the variable-frequency motor of Digit Control Machine Tool and servomotor etc.), the operating frequency that these power supplys are general is all more than 20KHz, what have reaches 100KHz, therefore these inverters require just higher for distribution, conventionally require to there is good filter circuit in the importation that connects electrical network, so that inverter can steady operation.And existing filter circuit is because too simply can not meet filtering requirements.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of spraying source Three-phase electric-wave filter, strengthened the filter effect spuious to high frequency, solved the problem that has stability of power supply in prior art.The technical solution used in the present invention is:
A kind of spraying source Three-phase electric-wave filter, comprise the first capacitor filter network that is connected and the high frequency clutter in input three-phase electricity is strobed with the three-phase electricity of input, the improvements of this programme are, after described the first capacitor filter network, be also connected with the inductor filter network that a pair of high frequency clutter strobes, after described inductor filter network, be also connected with the second capacitor filter network that a pair of high frequency clutter strobes.
Described the first capacitor filter network comprises capacitor C 1, C2 and C3; The first end of the first end of the first end of described capacitor C 1, capacitor C 2 and capacitor C 3 respectively with being respectively connected of described input three-phase electricity, the second end of the second end of described capacitor C 1, the second end of capacitor C 2 and capacitor C 3 links together.
Inductor filter network in described Three-phase electric-wave filter comprises filter inductance L1, L2 and L3; The first end of the first end of described filter inductance L1, filter inductance L2 and the first end of filter inductance L3 are connected respectively the first end of the first end of described capacitor C 1, the first end of capacitor C 2 and capacitor C 3; The second end of the second end of described filter inductance L1, the second end of filter inductance L2 and filter inductance L3 is used for being connected next stage the second capacitor filter network 103.
Latter linked second capacitor filter network of described inductor filter network comprises capacitor C 4, C5 and C6; The first end of the first end of the first end of described capacitor C 4, capacitor C 5 and capacitor C 6 respectively with the second end of described filter inductance L1, the second end of the second end of filter inductance L2 and filter inductance L3 be connected; The second end of the second end of described capacitor C 4, the second end of capacitor C 5 and capacitor C 6 links together.
Preferably, described filter inductance L1, L2 and L3 respectively comprise a coil, coil separately of filter inductance L1, L2 and L3 on same magnet ring.
Preferably, described filter inductance L1, L2 and L3 coil separately are all wrapped in six circles on magnet ring.
The present invention, on the basis of original power-supply filter, has increased two stage filter, makes filter effect better, has improved the power supply quality of spraying source, and while making spraying source work, spraying effect is better.
Accompanying drawing explanation
Fig. 1 is prior art spraying source filtering part schematic diagram.
Fig. 2 is spraying source filtering part schematic diagram after improving.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 2:
A Three-phase electric-wave filter, comprises the first capacitor filter network 101 that is connected and the high frequency clutter in input three-phase electricity is strobed with the three-phase electricity of input.Described the first capacitor filter network 101 comprises capacitor C 1, C2 and C3; The first end of the first end of the first end of described capacitor C 1, capacitor C 2 and capacitor C 3 respectively with being respectively connected of described input three-phase electricity, the second end of the second end of described capacitor C 1, the second end of capacitor C 2 and capacitor C 3 links together.The value of capacitor C 1, C2 and C3 is 335P, and capacitor C 1, C2 and C3 can play bypass effect to high frequency clutter.
Because the High frequency filter effect that capacitor C 1, C2 and C3 play is also more limited, so the present invention has increased two stage filter network.
First after described the first capacitor filter network 101, be also connected with the inductor filter network 102 that a pair of high frequency clutter strobes, the inductor filter network 102 in described Three-phase electric-wave filter comprises filter inductance L1, L2 and L3; The first end of the first end of described filter inductance L1, filter inductance L2 and the first end of filter inductance L3 are connected respectively the first end of the first end of described capacitor C 1, the first end of capacitor C 2 and capacitor C 3; The second end of the second end of described filter inductance L1, the second end of filter inductance L2 and filter inductance L3 is used for being connected next stage the second capacitor filter network 103.
Above-mentioned three filter inductances are to be all connected on each mutually among electricity, utilize the reactance characteristic that inductance is higher to high frequency clutter, have strengthened the filtration result to high frequency clutter.During making, filter inductance L1, L2 and L3 respectively comprise a coil, coil separately of filter inductance L1, L2 and L3 on same magnet ring, and be all wrapped in six circles on magnet ring.
Further, after described inductor filter network 102, be also connected with the second capacitor filter network 103 that a pair of high frequency clutter strobes.The second capacitor filter network 103 comprises capacitor C 4, C5 and C6; The first end of the first end of the first end of described capacitor C 4, capacitor C 5 and capacitor C 6 respectively with the second end of described filter inductance L1, the second end of the second end of filter inductance L2 and filter inductance L3 be connected; The second end of the second end of described capacitor C 4, the second end of capacitor C 5 and capacitor C 6 links together.The value of capacitor C 4, C5 and C6 is 474P, can play bypass effect to high frequency clutter.
The second capacitor filter network 103 can be to playing further filtering effect through residual high frequency clutter in three-phase electricity after inductor filter network 102, and the power supply quality that makes to be supplied to the three-phase electricity of spraying source is greatly improved.
Claims (6)
1. a spraying source Three-phase electric-wave filter, comprise the first capacitor filter network (101) that is connected and the high frequency clutter in input three-phase electricity is strobed with the three-phase electricity of input, it is characterized in that: at described the first capacitor filter network (101), be also connected with afterwards the inductor filter network (102) that a pair of high frequency clutter strobes, at described inductor filter network (102), be also connected with afterwards the second capacitor filter network (103) that a pair of high frequency clutter strobes.
2. spraying source Three-phase electric-wave filter as claimed in claim 1, is characterized in that: described the first capacitor filter network (101) comprises capacitor C 1, C2 and C3; The first end of the first end of the first end of described capacitor C 1, capacitor C 2 and capacitor C 3 respectively with being respectively connected of described input three-phase electricity, the second end of the second end of described capacitor C 1, the second end of capacitor C 2 and capacitor C 3 links together.
3. spraying source Three-phase electric-wave filter as claimed in claim 2, is characterized in that: the inductor filter network (102) in described Three-phase electric-wave filter comprises filter inductance L1, L2 and L3; The first end of the first end of described filter inductance L1, filter inductance L2 and the first end of filter inductance L3 are connected respectively the first end of the first end of described capacitor C 1, the first end of capacitor C 2 and capacitor C 3; The second end of the second end of described filter inductance L1, the second end of filter inductance L2 and filter inductance L3 is used for being connected next stage the second capacitor filter network (103).
4. spraying source Three-phase electric-wave filter as claimed in claim 3, is characterized in that: latter linked second capacitor filter network (103) of described inductor filter network (102) comprises capacitor C 4, C5 and C6; The first end of the first end of the first end of described capacitor C 4, capacitor C 5 and capacitor C 6 respectively with the second end of described filter inductance L1, the second end of the second end of filter inductance L2 and filter inductance L3 be connected; The second end of the second end of described capacitor C 4, the second end of capacitor C 5 and capacitor C 6 links together.
5. spraying source Three-phase electric-wave filter as claimed in claim 3, is characterized in that: described filter inductance L1, L2 and L3 respectively comprise a coil, coil separately of filter inductance L1, L2 and L3 on same magnet ring.
6. spraying source Three-phase electric-wave filter as claimed in claim 5, is characterized in that: described filter inductance L1, L2 and L3 coil separately are all wrapped in six circles on magnet ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459389.1A CN103516183A (en) | 2013-09-30 | 2013-09-30 | Spraying power supply three-phase filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459389.1A CN103516183A (en) | 2013-09-30 | 2013-09-30 | Spraying power supply three-phase filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103516183A true CN103516183A (en) | 2014-01-15 |
Family
ID=49898397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310459389.1A Pending CN103516183A (en) | 2013-09-30 | 2013-09-30 | Spraying power supply three-phase filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103516183A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854917Y (en) * | 2005-12-02 | 2007-01-03 | 天津市康力科技发展公司 | Device for reducing surge and higher harmonic |
| CN101069338A (en) * | 2004-10-29 | 2007-11-07 | 布林克曼有限及两合公司 | Polyphase line filter |
| CN101764525A (en) * | 2010-02-11 | 2010-06-30 | 哈尔滨工业大学（威海） | Vector transducer with low electromagnetic interference |
| CN201985770U (en) * | 2011-02-01 | 2011-09-21 | 深圳新贝科技有限公司 | Electronic servo transformer and servo/frequency conversion system |
| CN102386760A (en) * | 2011-11-22 | 2012-03-21 | 中冶南方（武汉）自动化有限公司 | Frequency converter multistage EMI (electromagnetic interference) filter circuit |
| CN102594107A (en) * | 2012-03-15 | 2012-07-18 | 华中科技大学 | LCL filter utilizing integrated inductors |
| CN202550866U (en) * | 2012-03-22 | 2012-11-21 | 深圳市英威腾电气股份有限公司 | Electromagnetic interference filter circuit and device with same |
| CN203504397U (en) * | 2013-09-30 | 2014-03-26 | 无锡洲翔成套焊接设备有限公司 | Spraying power supply three-phase filter |
-
2013
- 2013-09-30 CN CN201310459389.1A patent/CN103516183A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069338A (en) * | 2004-10-29 | 2007-11-07 | 布林克曼有限及两合公司 | Polyphase line filter |
| CN2854917Y (en) * | 2005-12-02 | 2007-01-03 | 天津市康力科技发展公司 | Device for reducing surge and higher harmonic |
| CN101764525A (en) * | 2010-02-11 | 2010-06-30 | 哈尔滨工业大学（威海） | Vector transducer with low electromagnetic interference |
| CN201985770U (en) * | 2011-02-01 | 2011-09-21 | 深圳新贝科技有限公司 | Electronic servo transformer and servo/frequency conversion system |
| CN102386760A (en) * | 2011-11-22 | 2012-03-21 | 中冶南方（武汉）自动化有限公司 | Frequency converter multistage EMI (electromagnetic interference) filter circuit |
| CN102594107A (en) * | 2012-03-15 | 2012-07-18 | 华中科技大学 | LCL filter utilizing integrated inductors |
| CN202550866U (en) * | 2012-03-22 | 2012-11-21 | 深圳市英威腾电气股份有限公司 | Electromagnetic interference filter circuit and device with same |
| CN203504397U (en) * | 2013-09-30 | 2014-03-26 | 无锡洲翔成套焊接设备有限公司 | Spraying power supply three-phase filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2876794B1 (en) | Input EMI filter and method for motor drive including an active rectifier | |
| Huang et al. | A resonant compensation method for improving the performance of capacitively coupled power transfer system | |
| CN204205997U (en) | A kind of rectified three-phase circuit and uninterrupted power supply | |
| CN106655529B (en) | Realize the ECPT system and its Parameters design of load soft handover | |
| CN108964289A (en) | ECPT system and its Parameters design with double-T shaped resonant network | |
| Xia et al. | Inhibition of current harmonics in LCL/LCC wireless power transfer system | |
| CN201234137Y (en) | High-pass filter capable of parameter changing | |
| CN203504397U (en) | Spraying power supply three-phase filter | |
| CN203933369U (en) | A kind of common mode Electromagnetic interference filter for AC/AC switch converters | |
| CN103078525A (en) | Alternative-current direct-current (AC-DC) converter based on exchange link technology | |
| CN204720990U (en) | Reactive power compensation active filter | |
| CN103516183A (en) | Spraying power supply three-phase filter | |
| CN104953591A (en) | LLCL type filter based on three-winding transformer | |
| CN203445778U (en) | Filter circuit applied in three-phase current transformer | |
| Tianfeng et al. | Modeling and advanced control of wireless power transfer system with Z-source inverter | |
| CN103427502B (en) | Based on IPT system envelope line modulation circuit and the method for pulsewidth identification | |
| CN201378736Y (en) | Passive filtering compensation device | |
| CN103441665B (en) | A kind of method that crisscross parallel type power factor correcting is controlled | |
| Dadkhah et al. | Three-phase PFC converter with reconfigurable LCL filter | |
| CN202334291U (en) | Multi-stage EMI (electromagnetic interference) filter circuit of inverter | |
| RU2011125963A (en) | METHOD FOR ENERGY SAVING | |
| CN104345255A (en) | Non-partial discharge damped oscillatory wave high voltage power supply based on low voltage phase-controlled switch | |
| CN203851037U (en) | Intermediate frequency furnace control circuit | |
| CN104092379B (en) | A kind of welding network system based on DC bus structure | |
| Tang et al. | Dynamic characteristics optimization control method for Buck-IPT system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140115 |