CN1635696A - Minimum voltage active clamping three-phase AC-DC power factor correction converter - Google Patents
Minimum voltage active clamping three-phase AC-DC power factor correction converter Download PDFInfo
- Publication number
- CN1635696A CN1635696A CNA2004100735894A CN200410073589A CN1635696A CN 1635696 A CN1635696 A CN 1635696A CN A2004100735894 A CNA2004100735894 A CN A2004100735894A CN 200410073589 A CN200410073589 A CN 200410073589A CN 1635696 A CN1635696 A CN 1635696A
- Authority
- CN
- China
- Prior art keywords
- phase
- switch
- auxiliary switch
- brachium pontis
- converter
- 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
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
This invention refers to minimum voltage active clamping three-phase ac-dc power factor correction converter, which contains six three-phase bridge arms composed of full main control switch inverse parallel connected with diodes, input inductor connected to the central point between power source and bridge arms, output capacitor connected to output end of three-phase bridge arms, capacitor parallel connected to six main switches of three-phase bridge arms, auxiliary switch parallel connected with diode and connected between dc bus and output capacitor, parallel connecting capacitor to two ends of auxiliary switch and cross connecting circuit of serial connected resonant inductor and clamping capacitor to two ends og auxiliary switch. Said converter reduces electromagnetic interference, has small switch power consumption and raises power density and can be used in intermediate and preceding stage rectifier in various power supply.
Description
Technical field
The present invention relates to A.C.-D.C. converter, especially minimum-voltage, active-clamp three-phase activity coefficient adjustment converter.
Background technology
Present three-phase AC-DC power factor correction converter as shown in Figure 1, it comprises the three-phase brachium pontis that has the full control main switch S1～S6 of diode to constitute by six inverse parallels, is connected on power supply and each input inductance LA～LC between the brachium pontis mid point and be connected to the output capacitance Co of three-phase brachium pontis output mutually respectively.This three-phase AC-DC power factor correction converter can be realized the input current power factor correction, but circuit working is at the hard switching state, exist the reverse-recovery problems of diode, the devices switch loss is big, limited the raising of operating frequency, reduced circuit efficiency and had bigger electromagnetic interference.
Summary of the invention
The purpose of this invention is to provide a kind of reverse recovery current that can suppress diode, reduce switching loss, improve circuit efficiency, reduce electromagnetic interference and realize the minimum voltage active clamping three-phase AC-DC power factor correction converter of soft switch.
Minimum voltage active clamping three-phase AC-DC power factor correction converter of the present invention, comprise the three-phase brachium pontis that has the full control main switch of diode to constitute by six inverse parallels, be connected on power supply and each input inductance between the brachium pontis mid point and be connected to the output capacitance of three-phase brachium pontis output mutually respectively, it is characterized in that six main switches difference shunt capacitances at the three-phase brachium pontis, between the dc bus of three-phase brachium pontis and output capacitance, insert the auxiliary switch that is parallel with diode, and at auxiliary switch two ends shunt capacitance and the circuit that is in series by resonant inductance and clamping capacitance in the cross-over connection of the two ends of auxiliary switch.
Among the present invention in the converter all switching frequencies all fix.Converter is realized the zero voltage switch (ZVS) of main switch and auxiliary switch by the minimum-voltage, active-clamp branch road.The voltage stress of main switch and auxiliary switch equals the output dc voltage of converter.The control mode of converter using space vector, in a power frequency period, the control of converter can be divided into 12 sectors.
Minimum voltage active clamping three-phase AC-DC power factor correction transformer configuration of the present invention is simple, and the reverse recovery of the inverse parallel diode of full control switch is inhibited in the converter, has reduced electromagnetic interference.All device for power switching are realized soft switch in the circuit, thereby have reduced switching loss, can improve circuit efficiency, help improving operating frequency, and then improve power density.The circuit of this converter can be realized the output capacitance voltage control, realizes the power factor emendation function of input current.Can be used for prime rectifying device in the various power supplys.
Description of drawings
Fig. 1 is existing three-phase AC-DC power factor correction converter;
Fig. 2 is a kind of physical circuit figure of the present invention;
Fig. 3 is another kind of physical circuit figure of the present invention;
Fig. 4 is the division schematic diagram of 12 work sectors in the power frequency period;
Fig. 5 is the three dimensional vector diagram of 12 work sectors in the power frequency period;
Fig. 6 is the pulse control timing figure of converter switch in sector 2;
Main voltage and current waveform when Fig. 7 is a circuit working of the present invention;
Fig. 8 is the corresponding t shown in Figure 7 of the present invention
0-t
1The circuit working state schematic diagram in stage;
Fig. 9 is the corresponding t shown in Figure 7 of the present invention
1-t
2The circuit working state schematic diagram in stage;
Figure 10 is the corresponding t shown in Figure 7 of the present invention
2-t
3The circuit working state schematic diagram in stage;
Figure 11 is the corresponding t shown in Figure 7 of the present invention
3-t
4The circuit working state schematic diagram in stage;
Figure 12 is the corresponding t shown in Figure 7 of the present invention
4-t
5The circuit working state schematic diagram in stage;
Figure 13 is the corresponding t shown in Figure 7 of the present invention
5-t
6The circuit working state schematic diagram in stage;
Figure 14 is the corresponding t shown in Figure 7 of the present invention
6-t
7The circuit working state schematic diagram in stage;
Figure 15 is the corresponding t shown in Figure 7 of the present invention
7-t
8The circuit working state schematic diagram in stage.
Embodiment
With reference to Fig. 2, minimum voltage active clamping three-phase AC-DC power factor correction converter of the present invention comprises the three-phase brachium pontis that has the full control main switch S1～S6 of diode to constitute by six inverse parallels, be connected on power supply and each input inductance LA between the brachium pontis mid point mutually respectively, LB, LC and the output capacitance Co that is connected to three-phase brachium pontis output, six the main switch S1～S6 difference shunt capacitance C1～C6 that it is characterized in that the three-phase brachium pontis, in the diagram instantiation, insert the auxiliary switch S7 that is parallel with diode in the positive electrode bus of three-phase brachium pontis and output capacitance Co anode, and at auxiliary switch S7 two ends shunt capacitance C7 and the circuit that is in series by resonant inductance Lr and clamping capacitance Cc in the cross-over connection of the two ends of auxiliary switch S7.In the example shown in Figure 3, be to insert the auxiliary switch S7 that is parallel with diode at the negative pole bus of three-phase brachium pontis and output capacitance negative terminal, and at auxiliary switch S7 two ends shunt capacitance C7 and the circuit that is in series by resonant inductance Lr and clamping capacitance Cc in the cross-over connection of the two ends of auxiliary switch S7.
The control of minimum voltage active clamping three-phase AC-DC power factor correction converter using space vector.In a power frequency period, the control of converter can be divided into 12 sectors.As shown in Figure 4 and Figure 5.Convertor controls all is similar in each sector.Six main switches and auxiliary switch in the converter are controlled by the space vector PWM controller of fixed switching frequency.
Below be example with minimum-voltage, active-clamp three-phase activity coefficient adjustment converter shown in Figure 2, describe its course of work in detail.For the three-phase activity coefficient adjustment converter, in 12 sectors of a power frequency period of input current, its course of work is similarly, is that example is analyzed with a switch periods in the sector 2 just here, and the pulse control timing of converter switch in sector 2 as shown in Figure 6.In work period, converter has 8 operating states at a switch.Main voltage and current waveform during work as shown in Figure 7.
Stage 1 (t
0-t
1): (referring to Fig. 8)
Main switch S1, S2, S6 and auxiliary switch S7 are in conducting.In this stage, the energy among inductance L A, LB, the LC is carried to load, and the absolute value of electric current is reducing among inductance L A, LB, the LC.By resonant inductance Lr, in the resonant tank that clamping capacitance Cc and auxiliary switch S7 form, the electric current of resonant inductance Lr is increasing.
Stages 2 (t
1-t
2): (referring to Fig. 9)
In the t1 moment, auxiliary switch S7 turn-offs, and resonant inductance Lr gives the shunt capacitance discharge of main switch S3, S5, S4.To t2 constantly, the shunt capacitance voltage of three switches is to zero.Diode begins conducting in the body of switch.In the t2 moment, the driving of main switch S3, S5 adds that two switches are soft switch.To t2 constantly, the voltage on the auxiliary switch S7 is Vo by clamp.
Stages 3 (t
2-t
3): (referring to Figure 10)
This stage is the anti-and diode reverse recovery stage of main switch S6, S2.To t3 constantly, the resonant inductance electric current becomes minimum value.
Stages 4 (t
3-t
4): (referring to Figure 11)
In the t3 moment, the inverse parallel diode of main switch S6, S2 turn-offs, and the two ends capacitance voltage begins to increase.Auxiliary switch S7 two ends shunt capacitance voltage reduces, to t4 constantly, and diode current flow in the S7 body.S7 conducting under zero voltage condition.
Stages 5 (t
4-t
5): (referring to Figure 12)
To t4 constantly, the reverse recovery of main switch S6, S2 is finished.By resonant inductance Lr, in the resonant tank that clamping capacitance Cc and auxiliary switch S7 form, resonant inductance Lr is giving clamping capacitance Cc charging.
Stages 6 (t
5-t
6): (referring to Figure 13)
To t5 constantly, main switch S5 turn-offs, and the electric current among the inductance L C is given the shunt capacitance C5 charging of main switch S5, gives the shunt capacitance C2 discharge of main switch S2, because the existence of the shunt capacitance of S5, the turn-off power loss of S5 obtains reducing.
Stages 7 (t
6-t
7): (referring to Figure 14)
To t6 constantly, diode current flow in the body of main switch S2, at this moment, by resonant inductance Lr, in the resonant tank that clamping capacitance Cc and auxiliary switch S7 form, the electric current of resonant inductance Lr is reducing.
Stages 8 (t
7-t
8): (referring to Figure 15)
To t7 constantly, main switch S3 turn-offs, and the electric current among the inductance L B is given the shunt capacitance C3 charging of main switch S5, gives the shunt capacitance C6 discharge of main switch S6, because the existence of S3 shunt capacitance, the turn-off power loss of S3 obtains reducing.To t8 constantly, S3 turn-offs, and diode current flow in the body of main switch S6 overlapped with the stage 1.Circuit repeats next cycle.
Claims (1)
1. minimum voltage active clamping three-phase AC-DC power factor correction converter, comprise full control main switch (the three-phase brachium pontis that S1～S6) constitutes that diode is arranged by six inverse parallels, be connected on power supply and each input inductance between the brachium pontis mid point (LA) mutually respectively, (LB), (LC) and be connected to the output capacitance (Co) of three-phase brachium pontis output, (S1～S6) is shunt capacitance (C1～C6) respectively to it is characterized in that six main switches at the three-phase brachium pontis, between the dc bus of three-phase brachium pontis and output capacitance (Co), insert the auxiliary switch (S7) that is parallel with diode, and at auxiliary switch (S7) two ends shunt capacitances (C7) and the circuit that is in series by resonant inductance (Lr) and clamping capacitance (Cc) in the two ends cross-over connection of auxiliary switch (S7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100735894A CN1635696A (en) | 2004-12-27 | 2004-12-27 | Minimum voltage active clamping three-phase AC-DC power factor correction converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100735894A CN1635696A (en) | 2004-12-27 | 2004-12-27 | Minimum voltage active clamping three-phase AC-DC power factor correction converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1635696A true CN1635696A (en) | 2005-07-06 |
Family
ID=34846873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100735894A Pending CN1635696A (en) | 2004-12-27 | 2004-12-27 | Minimum voltage active clamping three-phase AC-DC power factor correction converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1635696A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783608A (en) * | 2010-03-16 | 2010-07-21 | 浙江大学 | Minimum-voltage, active-clamp and three-phase grid-connected inverter |
| CN101534065B (en) * | 2009-04-20 | 2010-12-01 | 浙江大学 | Asymmetric direct power control method of grid-connected three-phase voltage source converter |
| CN102594176A (en) * | 2011-01-21 | 2012-07-18 | 浙江大学 | Soft-switch three-phase PWM rectifier with auxiliary free-wheel channel |
| CN102969885A (en) * | 2012-10-31 | 2013-03-13 | 上海交通大学 | Additional-voltage-free zero voltage switch bridge-free power factor corrector and modulation method |
| CN103001515A (en) * | 2012-10-31 | 2013-03-27 | 上海交通大学 | Energy-storage half-bridge type inverter of low-additional-voltage zero-voltage switch and modulating method |
| CN104038084A (en) * | 2013-03-08 | 2014-09-10 | 英飞凌科技股份有限公司 | Rectifier Circuit |
| CN106093775A (en) * | 2016-05-27 | 2016-11-09 | 深圳市若腾科技有限公司 | Brushless motor driver testing circuit |
| CN106787676A (en) * | 2017-01-20 | 2017-05-31 | 中国科学院地质与地球物理研究所 | A kind of soft switch control circuit of boost PFC converter |
| CN111865067A (en) * | 2020-07-17 | 2020-10-30 | 浙江大学 | Control method for power factor correction circuit |
| US11251698B2 (en) | 2020-07-17 | 2022-02-15 | Delta Electronics (Shanghai) Co., Ltd. | Power factor correction circuit |
-
2004
- 2004-12-27 CN CNA2004100735894A patent/CN1635696A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534065B (en) * | 2009-04-20 | 2010-12-01 | 浙江大学 | Asymmetric direct power control method of grid-connected three-phase voltage source converter |
| CN101783608A (en) * | 2010-03-16 | 2010-07-21 | 浙江大学 | Minimum-voltage, active-clamp and three-phase grid-connected inverter |
| CN102594176A (en) * | 2011-01-21 | 2012-07-18 | 浙江大学 | Soft-switch three-phase PWM rectifier with auxiliary free-wheel channel |
| CN103001515B (en) * | 2012-10-31 | 2016-01-13 | 上海交通大学 | Low auxiliary voltage zero voltage switch energy storage semi-bridge type inverter and modulator approach |
| CN103001515A (en) * | 2012-10-31 | 2013-03-27 | 上海交通大学 | Energy-storage half-bridge type inverter of low-additional-voltage zero-voltage switch and modulating method |
| CN102969885A (en) * | 2012-10-31 | 2013-03-13 | 上海交通大学 | Additional-voltage-free zero voltage switch bridge-free power factor corrector and modulation method |
| CN104038084A (en) * | 2013-03-08 | 2014-09-10 | 英飞凌科技股份有限公司 | Rectifier Circuit |
| CN104038084B (en) * | 2013-03-08 | 2017-01-04 | 英飞凌科技股份有限公司 | Rectification circuit |
| CN106093775A (en) * | 2016-05-27 | 2016-11-09 | 深圳市若腾科技有限公司 | Brushless motor driver testing circuit |
| CN106787676A (en) * | 2017-01-20 | 2017-05-31 | 中国科学院地质与地球物理研究所 | A kind of soft switch control circuit of boost PFC converter |
| CN111865067A (en) * | 2020-07-17 | 2020-10-30 | 浙江大学 | Control method for power factor correction circuit |
| CN111865067B (en) * | 2020-07-17 | 2021-06-11 | 浙江大学 | Control method for power factor correction circuit |
| US11251698B2 (en) | 2020-07-17 | 2022-02-15 | Delta Electronics (Shanghai) Co., Ltd. | Power factor correction circuit |
| US11462994B2 (en) | 2020-07-17 | 2022-10-04 | Delta Electronics (Shanghai) Co., Ltd. | Control method for power factor correction circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100340055C (en) | Composite active clamped 3-phase A.C-D.C power factor correction transformer | |
| CN1066294C (en) | Sub-resonant series resonant converter having improved form factor and reduced EMI | |
| US8503199B1 (en) | AC/DC power converter with active rectification and input current shaping | |
| US9520792B2 (en) | Staggered parallel three-level DC/DC converter and AC/DC converter | |
| CN100347939C (en) | Resonant current transformer with secondary element device voltage stress is half of output voltage | |
| CN101018017A (en) | Mixed three level resonance DC convertor and dual shift phase control method | |
| CN1600048A (en) | High power factor electronic ballast with lossless switching | |
| CN1866713A (en) | Three-level zero-voltage switch DC convertor and control method thereof | |
| CN1967997A (en) | Five-level double step-down full bridge inverter | |
| CN1270438A (en) | Two stage three-phase separating voltage converter | |
| CN1866704A (en) | Dual-tube dual-forward-excitation boosting type single-stage power factor correction circuit | |
| CN102594176A (en) | Soft-switch three-phase PWM rectifier with auxiliary free-wheel channel | |
| CN1845433A (en) | Bidirectional three-level soft switch DC/DC for superconducting energy storage and its voltage side pulse width controlling method | |
| CN1123962C (en) | Soft switching method for power switching transistor of DC converter and soft-switching DC converter | |
| CN1725617A (en) | Zero valtage switch compound crisscross parallel two-tube positive shock three-level DC inverter | |
| CN1635696A (en) | Minimum voltage active clamping three-phase AC-DC power factor correction converter | |
| CN101783608A (en) | Minimum-voltage, active-clamp and three-phase grid-connected inverter | |
| CN1120562C (en) | Minimum voltage type active clamp DC-DC converter | |
| CN112821794B (en) | Single-phase active neutral point clamped three-level soft switching inverter circuit and modulation strategy | |
| CN106130357A (en) | A kind of novel LCCL controlled resonant converter | |
| CN1845434A (en) | Bidirectional three-level soft switch DC/DC for superconducting energy storage and its current side phase-shift controlling method | |
| CN1734904A (en) | Single switch double output booster converter | |
| CN1734919A (en) | Double smoothing inductance full-bridge inverter main circuit | |
| CN1336715A (en) | Mixed bridge-type zero-voltage and zero-current switch three level DC converter | |
| CN1103510C (en) | Full-bridge converter of zero-voltage switch with current-doubling rectifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |