CN201436615U - Single-phase bridgeless power factor correction circuit - Google Patents
Single-phase bridgeless power factor correction circuit Download PDFInfo
- Publication number
- CN201436615U CN201436615U CN2009200555334U CN200920055533U CN201436615U CN 201436615 U CN201436615 U CN 201436615U CN 2009200555334 U CN2009200555334 U CN 2009200555334U CN 200920055533 U CN200920055533 U CN 200920055533U CN 201436615 U CN201436615 U CN 201436615U
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- capacitor
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- power factor
- circuit
- diode
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- 239000003990 capacitor Substances 0.000 claims abstract description 45
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000005300 metallic glass Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
-
- 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
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/0085—Partially controlled bridges
-
- 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)
- Rectifiers (AREA)
Abstract
The utility model discloses a single-phase no bridge power factor correction circuit, including no bridge power factor correction module, first inductance coils L1, second inductance coils L2, first electric capacity C1, second electric capacity C2, two inputs of no bridge power factor correction module are the R end respectively, the S end, this correction circuit 'S front end is first power input P1 end, second power input N1 end, first power input P1 end is connected with the R end through first inductance coils L1, second power input N1 end is connected with the S end through second inductance coils L2, no bridge power factor correction module' S rear end is first power output P2 end, second power output N2 end; first ends of the first capacitor C1 and the second capacitor C2 are respectively connected with a first power input end P1 end and a second power input end N1 end, and second ends of the first capacitor C1 and the second capacitor C2 are connected in parallel and then connected with a first power output end P2 end. The utility model discloses electromagnetic interference obtains reducing, can effectually satisfy the standard of the relevant regulation of country.
Description
Technical field
The utility model relates to a kind of single-phase Bridgeless power factor circuit correcting circuit.
Background technology
Along with criteria limit is made to the power factor and the harmonic current of electric equipment in countries in the world, a lot of equipment adopt circuit of power factor correction to promote the power factor of complete machine, reduce current harmonics, with requirement up to specification.
But circuit of power factor correction produces high-frequency electromagnetic simultaneously and disturbs, and influences the operate as normal of miscellaneous equipment.Disturb in order to suppress this high-frequency electromagnetic, generally except adopting Electromagnetic interference filter, take in addition the earth to be connect the method (as shown in Figure 1) of Y electric capacity, or the circuit of power factor correction ac input end is connect the method (as shown in Figure 2) of electric capacity at the second source output terminal N2 of power factor correction module output end at the ac input end of circuit of power factor correction or the second source output terminal N2 end of power factor correction module.The simple wave filter that adopts can cause the wave filter volume bigger, and cost is very high, and wave filter can't be at all frequency band filtering interference signals.Adopt the circuit of Fig. 1 can make the complete machine leakage current big, and need safety electric capacity, cause cost to raise.Electric current and voltage sudden change situation on voltage and current on the diode of power factor correction module bottom and the switching tube is consistent, because the switching speed of switching tube is limited, so the sudden change of the whole voltage and current of brachium pontis down is also unhappy. have only diode and go up brachium pontis, and this diode switch speed is general all than the speed of two following switching tubes fast a lot (to prevent producing high pressure on the following switching tube), so diode and second source output terminal N2 end at last brachium pontis can produce higher electric current pace of change, thereby produce stronger undesired signal.So can't pass through high-frequency signal on the undesired signal loop of figure two its formation of circuit, it suppresses the high-frequency electromagnetic interference effect is not very desirable, and it does not effectively consume the electromagnetic interference (EMI) undesired signal on this loop.
Summary of the invention
The purpose of this utility model is to provide a kind of single-phase Bridgeless power factor circuit correcting circuit, single-phase Bridgeless power factor circuit correcting circuit described in the utility model is in the hoisting power factor, electromagnetic interference (EMI) is reduced, and makes circuit can effectively satisfy the standard of national relevant regulations.
Its technical scheme is as follows:
A kind of single-phase Bridgeless power factor circuit correcting circuit, comprise the Bridgeless power factor correction module, the first telefault L1, the second telefault L2, two input ends of Bridgeless power factor correction module are respectively the R end, the S end, the front end of this correcting circuit is first a power input P1 end, second source input end N1 end, first power input P1 end is connected with the R end by the first telefault L1, second source input end N1 end is connected with the S end by the second telefault L2, and the rear end of Bridgeless power factor correction module is first a power output end P2 end, second source output terminal N2 end; This correcting circuit also includes first capacitor C 1, second capacitor C 2, first end of first capacitor C 1, second capacitor C 2 is connected with first power input P1 end, second source input end N1 end respectively, second end of first capacitor C 1, second capacitor C 2 and connect after hold with the first power output end P2 again and be connected.
In use, first power input P1 end, second source input end N1 end are connected with two output terminals of power supply respectively; The utility model is owing to be provided with first capacitor C 1 in circuit of power factor correction, second capacitor C 2, make the power output end P2 end of winning, the undesired signal that second source output terminal N2 end is exported is by first capacitor C 1, the second capacitor C 2-, the first telefault L1, second telefault L2-Bridgeless power factor correction module-first power output end P2 end, second source output terminal N2 holds this interior circulation will disturb absorption, avoid holding by the first power output end P2, second source output terminal N2 end is conduction and radiation interference signal outwards, thereby reduces the electromagnetic interference (EMI) of circuit.
Further structure of the present utility model is:
This correcting circuit also includes common mode the 3rd telefault L3, the 4th telefault L4, and the 3rd telefault L3 is located between described first telefault l1 and the R end, and the 4th telefault L4 is located between described second telefault L2 and the S end.Common mode the 3rd telefault L3, the 4th telefault L4 play the effect of two aspects: on the one hand suppress the undesired signal current break and produce new interference, on the other hand also in the absorption circuit power supply disturb the energy that is produced.
Between described first power output end P2 end and second source output terminal N2 end, be provided with the 3rd capacitor C 3.Carry out filtering between 3 pairs first power output end P2 ends of the 3rd capacitor C and the second source output terminal N2 end, further reduced interference.
Described Bridgeless power factor correction module comprises the first igbt M1, the second igbt M2, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, resistance R 1; The first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 are connected to form bridge rectifier circuit, two input ends of this bridge rectifier circuit are respectively described R end, S end, one of them output terminal is described first power output end P2 end, and another output terminal is connected with described second source output terminal N2 end by resistance R 1; The grid of the first igbt M1, the second igbt M2 is respectively the switching signal input end, the collector of the first igbt M1, the second igbt M2 is connected with described R end, S end respectively, and the first igbt M1, the second igbt M2 emitter also connect the back and described second source output terminal N2 holds and is connected.
Described first capacitor C 1, second capacitor C 2 are the high pressure ceramic disc capacitor.Adopt the high pressure ceramic disc capacitor, can bear the two ends higher voltage on the one hand, the special type of the high frequency of ceramic disc capacitor is relatively good simultaneously, helps passing through of high-frequency interferencing signal.
The magnetic core of described common mode the 3rd telefault L3, the 4th telefault L4 is FERRITE CORE or amorphous metal magnetic core, to improve its high frequency performance.
In sum, the utility model has the advantages that: single-phase Bridgeless power factor circuit correcting circuit described in the utility model is in the hoisting power factor, and electromagnetic interference (EMI) is reduced, and makes circuit can effectively satisfy the standard of national relevant regulations.
Description of drawings
Fig. 1 is first kind of structural drawing of existing single-phase Bridgeless power factor circuit correcting circuit;
Fig. 2 is second kind of structural drawing of existing single-phase Bridgeless power factor circuit correcting circuit;
Fig. 3 is the structural drawing of single-phase Bridgeless power factor circuit correcting circuit described in the utility model;
Embodiment
As shown in Figure 3, a kind of single-phase Bridgeless power factor circuit correcting circuit, comprise the Bridgeless power factor correction module, the first telefault L1, the second telefault L2, two input ends of Bridgeless power factor correction module are respectively the R end, the S end, the front end of this correcting circuit is first a power input P1 end, second source input end N1 end, first power input P1 end is connected with the R end by the first telefault L1, second source input end N1 end is connected with the S end by the second telefault L2, and the rear end of Bridgeless power factor correction module is first a power output end P2 end, second source output terminal N2 end; This correcting circuit also includes first capacitor C 1, second capacitor C 2, first end of first capacitor C 1, second capacitor C 2 is connected with first power input P1 end, second source input end N1 end respectively, second end of first capacitor C 1, second capacitor C 2 and connect after hold with the first power output end P2 again and be connected.
Wherein, described first capacitor C 1, second capacitor C 2 are the high pressure ceramic disc capacitor, and the magnetic core of described common mode the 3rd telefault L3, the 4th telefault L4 is FERRITE CORE or amorphous metal magnetic core.Described Bridgeless power factor correction module comprises the first igbt M1, the second igbt M2, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, resistance R 1; The first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 are connected to form bridge rectifier circuit, two input ends of this bridge rectifier circuit are respectively described R end, S end, one of them output terminal is described first power output end P2 end, and another output terminal is connected with described second source output terminal N2 end by resistance R 1; The grid of the first igbt M1, the second igbt M2 is respectively the switching signal input end, the collector of the first igbt M1, the second igbt M2 is connected with described R end, S end respectively, and the first igbt M1, the second igbt M2 emitter also connect the back and described second source output terminal N2 holds and is connected.This correcting circuit also includes common mode the 3rd telefault L3, the 4th telefault L4, and the 3rd telefault L3 is located between described first telefault L1 and the R end, and the 4th telefault L4 is located between described second telefault L2 and the S end; Between described first power output end P2 end and second source output terminal N2 end, be provided with the 3rd capacitor C 3.
In use, first power input P1 end, second source input end N1 end are connected with two output terminals of power supply respectively; Present embodiment is owing to be provided with first capacitor C 1 in circuit of power factor correction, second capacitor C 2, make the power output end P2 end of winning, the undesired signal that second source output terminal N2 end is exported is by first capacitor C 1, the second capacitor C 2-, the first telefault L1, second telefault L2-Bridgeless power factor correction module-first power output end P2 end, second source output terminal N2 holds this interior circulation will disturb absorption, avoid holding by the first power output end P2, second source output terminal N2 end is conduction and radiation interference signal outwards, thereby reduces the electromagnetic interference (EMI) of circuit.Common mode the 3rd telefault L3, the 4th telefault L4 play the effect of two aspects: on the one hand suppress the undesired signal current break and produce new interference, on the other hand also in the absorption circuit power supply disturb the energy that is produced.
Only be preferred embodiment of the present utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (6)
1. single-phase Bridgeless power factor circuit correcting circuit, comprise the Bridgeless power factor correction module, the first telefault L1, the second telefault L2, two input ends of Bridgeless power factor correction module are respectively the R end, the S end, the front end of this correcting circuit is first a power input P1 end, second source input end N1 end, first power input P1 end is connected with the R end by the first telefault L1, second source input end N1 end is connected with the S end by the second telefault L2, and the rear end of Bridgeless power factor correction module is first a power output end P2 end, second source output terminal N2 end; It is characterized in that, this correcting circuit also includes first capacitor C 1, second capacitor C 2, first end of first capacitor C 1, second capacitor C 2 is connected with first power input P1 end, second source input end N1 end respectively, second end of first capacitor C 1, second capacitor C 2 and connect after hold with the first power output end P2 again and be connected.
2. single-phase according to claim 1 Bridgeless power factor circuit correcting circuit, it is characterized in that, this correcting circuit also includes common mode the 3rd telefault L3, the 4th telefault L4, the 3rd telefault L3 is located between described first telefault L1 and the R end, and the 4th telefault L4 is located between described second telefault L2 and the S end.
3. as single-phase Bridgeless power factor circuit correcting circuit as described in the claim 2, it is characterized in that, between described first power output end P2 end is held with second source output terminal N2, be provided with the 3rd capacitor C 3.
4. as single-phase Bridgeless power factor circuit correcting circuit as described in claim 1 or 2 or 3, it is characterized in that described Bridgeless power factor correction module comprises the first igbt M1, the second igbt M2, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, resistance R 1; The first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 are connected to form bridge rectifier circuit, two input ends of this bridge rectifier circuit are respectively described R end, S end, one of them output terminal is described first power output end P2 end, and another output terminal is connected with described second source output terminal N2 end by resistance R 1; The grid of the first igbt M1, the second igbt M2 is respectively the switching signal input end, the collector of the first igbt M1, the second igbt M2 is connected with described R end, S end respectively, and the first igbt M1, the second igbt M2 emitter also connect the back and described second source output terminal N2 holds and is connected.
5. as single-phase Bridgeless power factor circuit correcting circuit as described in claim 1 or 2 or 3, it is characterized in that described first capacitor C 1, second capacitor C 2 are the high pressure ceramic disc capacitor.
6. as single-phase Bridgeless power factor circuit correcting circuit as described in claim 1 or 2 or 3, it is characterized in that the magnetic core of described common mode the 3rd telefault L3, the 4th telefault L4 is FERRITE CORE or amorphous metal magnetic core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200555334U CN201436615U (en) | 2009-04-28 | 2009-04-28 | Single-phase bridgeless power factor correction circuit |
| PCT/CN2010/072293 WO2010124637A1 (en) | 2009-04-28 | 2010-04-28 | Single-phase bridgeless power factor correction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200555334U CN201436615U (en) | 2009-04-28 | 2009-04-28 | Single-phase bridgeless power factor correction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436615U true CN201436615U (en) | 2010-04-07 |
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ID=42373064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200555334U Expired - Lifetime CN201436615U (en) | 2009-04-28 | 2009-04-28 | Single-phase bridgeless power factor correction circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201436615U (en) |
| WO (1) | WO2010124637A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124637A1 (en) * | 2009-04-28 | 2010-11-04 | 珠海格力电器股份有限公司 | Single-phase bridgeless power factor correction circuit |
| CN103916003A (en) * | 2014-03-28 | 2014-07-09 | 上海交通大学 | Common-cathode half-bridge power factor correction circuit |
| CN103916002A (en) * | 2014-03-28 | 2014-07-09 | 上海交通大学 | Common-anode half-bridge power factor correction circuit |
| CN105207464A (en) * | 2015-09-18 | 2015-12-30 | 浙江工业大学 | Self-exciting BJT type bridge-free Zeta PFC rectifier circuit |
| CN105337488A (en) * | 2015-10-23 | 2016-02-17 | 福州大学 | Novel non-bridge Cuk PFC converter having forward voltage output |
| CN108270341A (en) * | 2018-01-31 | 2018-07-10 | 北京云头柜智能科技有限公司 | The anticreeper and method of a kind of Medical bedside cabinet |
| CN108696160A (en) * | 2018-05-29 | 2018-10-23 | 上海空间电源研究所 | A kind of the non-bridge PFC converter and method of the low common mode interference in space |
| CN115328253A (en) * | 2022-08-29 | 2022-11-11 | 珠海市伟高变频科技有限公司 | Single-phase PFC circuit without input voltage detection and voltage estimation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI439021B (en) * | 2011-03-22 | 2014-05-21 | Fsp Technology Inc | Switch control circuit and control method for bridgeless switching circuit, power converter and power control method |
| KR101303341B1 (en) | 2012-05-07 | 2013-09-03 | 주식회사 동아일렉콤 | Bridgeless power factor compensation circuit |
| KR101484486B1 (en) * | 2013-04-18 | 2015-01-20 | 주식회사 동아일렉콤 | Power converting apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170355C (en) * | 2002-04-19 | 2004-10-06 | 艾默生网络能源有限公司 | Method and circuit for correcting power factor |
| US7250742B2 (en) * | 2004-11-08 | 2007-07-31 | International Rectifier Corporation | Digital control of bridgeless power factor correction circuit |
| TW200636420A (en) * | 2004-12-14 | 2006-10-16 | Int Rectifier Corp | An EMI noise reduction circuit and method for bridgeless PFC circuit |
| CN201138785Y (en) * | 2007-11-29 | 2008-10-22 | 上海美多通信设备有限公司 | Wave filter circuit for switch power supply |
| CN201436615U (en) * | 2009-04-28 | 2010-04-07 | 珠海格力电器股份有限公司 | Single-phase bridgeless power factor correction circuit |
-
2009
- 2009-04-28 CN CN2009200555334U patent/CN201436615U/en not_active Expired - Lifetime
-
2010
- 2010-04-28 WO PCT/CN2010/072293 patent/WO2010124637A1/en active Application Filing
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124637A1 (en) * | 2009-04-28 | 2010-11-04 | 珠海格力电器股份有限公司 | Single-phase bridgeless power factor correction circuit |
| CN103916003A (en) * | 2014-03-28 | 2014-07-09 | 上海交通大学 | Common-cathode half-bridge power factor correction circuit |
| CN103916002A (en) * | 2014-03-28 | 2014-07-09 | 上海交通大学 | Common-anode half-bridge power factor correction circuit |
| CN105207464A (en) * | 2015-09-18 | 2015-12-30 | 浙江工业大学 | Self-exciting BJT type bridge-free Zeta PFC rectifier circuit |
| CN105207464B (en) * | 2015-09-18 | 2017-09-05 | 浙江工业大学 | Self-excited BJT bridgeless Zeta PFC rectifier circuit |
| CN105337488A (en) * | 2015-10-23 | 2016-02-17 | 福州大学 | Novel non-bridge Cuk PFC converter having forward voltage output |
| CN108270341A (en) * | 2018-01-31 | 2018-07-10 | 北京云头柜智能科技有限公司 | The anticreeper and method of a kind of Medical bedside cabinet |
| CN108696160A (en) * | 2018-05-29 | 2018-10-23 | 上海空间电源研究所 | A kind of the non-bridge PFC converter and method of the low common mode interference in space |
| CN115328253A (en) * | 2022-08-29 | 2022-11-11 | 珠海市伟高变频科技有限公司 | Single-phase PFC circuit without input voltage detection and voltage estimation method thereof |
| CN115328253B (en) * | 2022-08-29 | 2024-04-05 | 珠海市伟高变频科技有限公司 | Single-phase PFC circuit without input voltage detection and voltage estimation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010124637A1 (en) | 2010-11-04 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20100407 |