CN108400706A - A kind of high efficiency interleaved parallel PFC converter - Google Patents
A kind of high efficiency interleaved parallel PFC converter Download PDFInfo
- Publication number
- CN108400706A CN108400706A CN201810381299.8A CN201810381299A CN108400706A CN 108400706 A CN108400706 A CN 108400706A CN 201810381299 A CN201810381299 A CN 201810381299A CN 108400706 A CN108400706 A CN 108400706A
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- China
- Prior art keywords
- diode
- inductance
- pfc converter
- switch pipe
- parallel
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- 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
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- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
The present invention provides a kind of high efficiency interleaved parallel PFC converter.The present invention includes alternating current input power supplying (Vin), the first diode (VD1), the second diode (VD2), third diode (VD3), the 4th diode (VD4), the 5th diode (VD5), the 6th diode (VD6), the 7th diode (VD7), the first inductance (L1), the second inductance (L2), third inductance (L3), first switch pipe (S1), second switch pipe (S2), third switching tube (S3), output filter capacitor (CO) load.Circuit of the present invention can be formed in parallel by traditional Boost pfc converters and double diode formula non-bridge PFC converter, shared two diodes, reduced the cost of system, simultaneously because containing non-bridge PFC converter all the way, the efficiency of system is also improved.
Description
Technical field
The present invention relates to PFC fields, and in particular to a kind of high efficiency interleaved parallel PFC converter.
Background technology
Interleaving technique can effectively reduce input and output electric current ripple, reduce EMI, simplify setting for electromagnetic interface filter
It counts difficulty, improve efficiency and power density.With the development of switch power technology, circuit of power factor correction becomes Switching Power Supply
In an indispensable part, and the volume requirement of Switching Power Supply is smaller and smaller, efficiency requirements are higher and higher, is saved with this
The energy.And traditional crisscross parallel Boost pfc converters are less efficient, therefore how to improve interleaved parallel PFC converter
Efficiency becomes industry personnel's problem to be solved.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of high efficiency interleaved parallel PFC transformation is proposed
Device.It is specifically included in circuit of the present invention and includes alternating current input power supplying Vin, tradition Boost pfc converters and double diode formula be without bridge
Pfc converter, output filter capacitor and load.
The purpose of the present invention is achieved through the following technical solutions.
A kind of high efficiency interleaved parallel PFC converter comprising alternating current input power supplying, tradition Boost pfc converters, double
Diode-type non-bridge PFC converter, output filter capacitor and load；The tradition Boost pfc converters and double diode formula
Non-bridge PFC converter is in parallel, and output filter capacitor is connected in parallel on the output end of double diode formula non-bridge PFC converter with load；It hands over
Flow input power both ends respectively with the second inductance of double diode formula non-bridge PFC converter, third inductance connection.
Further, Boost pfc converters include the first diode, the second diode, third diode, the four or two pole
Pipe, the first inductance, first switch pipe and the 5th diode, the both ends and the after the first diode, the connection of the second Diode series
Both ends after three diodes, the connection of the 4th Diode series are in parallel, the both ends after the first inductance, the series connection of first switch pipe and third
Both ends after diode, the connection of the 4th Diode series are in parallel, and the anode of five diodes is connected to the first inductance, first switch pipe
Between.
Further, the wherein double diode formula non-bridge PFC converter include the second diode, the 4th diode,
6th diode, the 7th diode, the second inductance, third inductance, second switch pipe, third switching tube, the second diode, the 4th
Diode is shared with the Boost pfc converters, both ends and the seven or two pole after the 6th diode, the series connection of second switch pipe
Both ends after pipe, the series connection of third switching tube are in parallel；One end of second inductance is connected between the 6th diode, second switch pipe,
One end of the other end and alternating current input power supplying connects；One end of third inductance is connected between the 7th diode, third switching tube,
The other end of the other end and alternating current input power supplying connects.
Circuit of the present invention have the advantage that for：Compared to traditional crisscross parallel Boost pfc converters, circuit of the present invention
It can be formed in parallel by traditional Boost pfc converters and double diode formula non-bridge PFC converter, share two diodes,
The cost of system is reduced, simultaneously because containing non-bridge PFC converter all the way, the efficiency of system is also improved.
Description of the drawings
Fig. 1 is a kind of high efficiency interleaved parallel PFC transformer configuration figure.
Fig. 2 a~Fig. 2 h are circuit modal graph in input voltage positive-negative half-cycle.
Specific implementation mode
For the content and feature that the present invention is further explained, specific embodiments of the present invention are carried out below in conjunction with attached drawing
It illustrates.
For the Basic Topological of this example as shown in Figure 1, for easy analysis, the device in circuit structure is accordingly to be regarded as ideal
Device.Wherein first switch pipe S1With second switch pipe S2With third switching tube S3Drive signal differs 180 degree, second switch pipe
S2It works in alternating current input power supplying positive half cycle, third switching tube S3It works in alternating current input power supplying negative half period.
(1) in the positive half cycle of input voltage, the first diode VD1, the 4th diode VD4Conducting, mould of the circuit in this stage
State figure is as shown in Figure 2 a, first switch pipe S1Conducting, second switch pipe S2Conducting, alternating current input power supplying VinThe first inductance is given respectively
L1With the second inductance L2Charging, output filter capacitor COPowering load.
(2) first switch pipe S1Conducting, second switch pipe S2Shutdown, circuit is as shown in Figure 2 b in the modal graph in this stage, hands over
Flow input power VinTo the first inductance L1Charging, alternating current input power supplying VinWith the second inductance L2It connects and gives output filter capacitor COIt fills
Electricity while powering load.
(3) first switch pipe S1Shutdown, second switch pipe S2Shutdown, circuit is as shown in Figure 2 c in the modal graph in this stage, hands over
Flow input power VinWith the first inductance L1It connects and gives output filter capacitor COCharging while powering load.Alternating current input power supplying Vin
With the second inductance L2It connects and gives output filter capacitor COCharging while powering load.
(4) first switch pipe S1Shutdown, second switch pipe S2Conducting, circuit is as shown in Figure 2 d in the modal graph in this stage, hands over
Flow input power VinWith the first inductance L1It connects and gives output filter capacitor COCharging while powering load.Alternating current input power supplying is given
Secondth inductance L2Charging.
(5) in the negative half period of input voltage, the second pole pipe VD2, third diode VD3Conducting, mode of the circuit in this stage
Figure is as shown in Figure 2 e, and circuit is as shown in Figure 2 a in the modal graph in this stage, first switch pipe S1Conducting, third switching tube S3Conducting,
Alternating current input power supplying VinThe first inductance L is given respectively1With third inductance L3Charging, output filter capacitor COPowering load.
(6) first switch pipe S1Conducting, third switching tube S3Shutdown, circuit this stage modal graph as shown in figure 2f, hand over
Flow input power VinTo the first inductance L1Charging, alternating current input power supplying VinWith third inductance L3It connects and gives output filter capacitor COIt fills
Electricity while powering load.
(7) first switch pipe S1Shutdown, third switching tube S3Shutdown, circuit is as shown in Figure 2 g in the modal graph in this stage, hands over
Flow input power VinWith the first inductance L1It connects and gives output filter capacitor COCharging while powering load.Alternating current input power supplying Vin
With third inductance L3It connects and gives output filter capacitor COCharging while powering load.
(8) first switch pipe S1Shutdown, third switching tube S3Conducting, circuit this stage modal graph as shown in fig. 2h, hand over
Flow input power VinWith the second inductance L2It connects and gives output filter capacitor COCharging while powering load.Alternating current input power supplying is given
Third inductance L3Charging.
(9) control circuit uses twin nuclei, outer voltage current inner loop, wherein first switch pipe S1With second switch pipe
S2With third switching tube S3Drive signal differs 180 degree, second switch pipe S2It works in alternating current input power supplying positive half cycle, third is opened
Close pipe S3It works in alternating current input power supplying negative half period.
Claims (4)
1. a kind of high efficiency interleaved parallel PFC converter, it is characterised in that including alternating current input power supplying (Vin), tradition Boost
Pfc converter, double diode formula non-bridge PFC converter, output filter capacitor (CO) and load；The tradition Boost PFC become
Parallel operation and double diode formula non-bridge PFC converter are in parallel, output filter capacitor (CO) and load be connected in parallel on double diode formula without bridge
The output end of pfc converter；Alternating current input power supplying (Vin) both ends respectively with the second of double diode formula non-bridge PFC converter the electricity
Feel (L2), third inductance (L3) connection.
2. a kind of high efficiency interleaved parallel PFC converter according to claim 1, it is characterised in that the tradition Boost
Pfc converter includes the first diode (VD1), the second diode (VD2), third diode (VD3), the 4th diode (VD4)、
First inductance (L1), first switch pipe (S1) and the 5th diode (VD5), the first diode (VD1), the second diode (VD2) string
Both ends after connection connection and third diode (VD3), the 4th diode (VD4) be connected in series with after both ends it is in parallel, the first inductance
(L1), first switch pipe (S1) both ends after series connection and third diode (VD3), the 4th diode (VD4) be connected in series with after two
End is in parallel, five diode (VD5) anode be connected to the first inductance (L1), first switch pipe (S1) between.
3. a kind of high efficiency interleaved parallel PFC converter according to claim 2, it is characterised in that the wherein double diode
Formula non-bridge PFC converter includes the second diode (VD2), the 4th diode (VD4), the 6th diode (VD6), the seven or two pole
Manage (VD7), the second inductance (L2), third inductance (L3), second switch pipe (S2), third switching tube (S3), the second diode
(VD2), the 4th diode (VD4) shared with the Boost pfc converters, the 6th diode (VD6), second switch pipe (S2)
Both ends after series connection and the 7th diode (VD7), third switching tube (S3) both ends after series connection are in parallel；Second inductance (L2) one
End is connected to the 6th diode (VD6), second switch pipe (S2) between, the other end and alternating current input power supplying (Vin) one end connect
It connects；Third inductance (L3) one end be connected to the 7th diode (VD7), third switching tube (S3) between, the other end with exchange input
Power supply (Vin) the other end connection.
4. according to a kind of high efficiency interleaved parallel PFC converter of claims 1 to 3 any one of them, it is characterised in that described
Boost pfc converters and double diode formula non-bridge PFC converter have shared the second diode (VD2) and the 4th diode
(VD4)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381299.8A CN108400706A (en) | 2018-04-25 | 2018-04-25 | A kind of high efficiency interleaved parallel PFC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381299.8A CN108400706A (en) | 2018-04-25 | 2018-04-25 | A kind of high efficiency interleaved parallel PFC converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400706A true CN108400706A (en) | 2018-08-14 |
Family
ID=63100616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810381299.8A Pending CN108400706A (en) | 2018-04-25 | 2018-04-25 | A kind of high efficiency interleaved parallel PFC converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115474311A (en) * | 2022-08-09 | 2022-12-13 | 哈尔滨理工大学 | LED driving power supply and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841236A (en) * | 2010-04-22 | 2010-09-22 | 华为技术有限公司 | Power factor correction converter and control method thereof |
| CN102593939A (en) * | 2011-01-10 | 2012-07-18 | 中兴通讯股份有限公司 | Power source connection converting device and system |
| US20120275204A1 (en) * | 2011-04-26 | 2012-11-01 | Vatche Vorperian | Bridgeless Power Factor Correcting Circuits with two Switches |
| CN104113200A (en) * | 2014-07-01 | 2014-10-22 | 广东美芝制冷设备有限公司 | Bridgeless APFC system used for variable frequency air conditioner and method for controlling the system |
| CN107204717A (en) * | 2017-06-07 | 2017-09-26 | 福州大学 | A kind of Bridgeless boost type CUK pfc circuits |
| CN208723783U (en) * | 2018-04-25 | 2019-04-09 | 华南理工大学 | A kind of high efficiency interleaved parallel PFC converter |
-
2018
- 2018-04-25 CN CN201810381299.8A patent/CN108400706A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841236A (en) * | 2010-04-22 | 2010-09-22 | 华为技术有限公司 | Power factor correction converter and control method thereof |
| CN102593939A (en) * | 2011-01-10 | 2012-07-18 | 中兴通讯股份有限公司 | Power source connection converting device and system |
| US20120275204A1 (en) * | 2011-04-26 | 2012-11-01 | Vatche Vorperian | Bridgeless Power Factor Correcting Circuits with two Switches |
| CN104113200A (en) * | 2014-07-01 | 2014-10-22 | 广东美芝制冷设备有限公司 | Bridgeless APFC system used for variable frequency air conditioner and method for controlling the system |
| CN107204717A (en) * | 2017-06-07 | 2017-09-26 | 福州大学 | A kind of Bridgeless boost type CUK pfc circuits |
| CN208723783U (en) * | 2018-04-25 | 2019-04-09 | 华南理工大学 | A kind of high efficiency interleaved parallel PFC converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115474311A (en) * | 2022-08-09 | 2022-12-13 | 哈尔滨理工大学 | LED driving power supply and control method thereof |
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Application publication date: 20180814 |
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