CN1564448A - Composite active clamped single-phase A.C-D.C power factor correction transformer - Google Patents
Composite active clamped single-phase A.C-D.C power factor correction transformer Download PDFInfo
- Publication number
- CN1564448A CN1564448A CNA2004100178142A CN200410017814A CN1564448A CN 1564448 A CN1564448 A CN 1564448A CN A2004100178142 A CNA2004100178142 A CN A2004100178142A CN 200410017814 A CN200410017814 A CN 200410017814A CN 1564448 A CN1564448 A CN 1564448A
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- Prior art keywords
- diode
- inductance
- main switch
- rectification circuit
- switch
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- 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
The converter includes rectification circuit, inductance, diode and main switch. Main structure of the converter is as following: main switch is connected to first capacitance in parallel, and diode is connected to second capacitance. One end of inductance is connected to output end of rectification circuit, and the other end of inductance is connected positive end of the diode. Cascaded circuit of main switch and resonant inductance is connected between connection point of inductance and diode and another output end of rectification circuit. Cascaded auxiliary switch and clamping capacitance is cross connected on two ends of resonant inductance. Two ends of the said auxiliary switch are connected to third capacitance etc. Features are: simple structure, restraining backward recovery of diode connected in inverted parallel, realization of soft switch and high efficiency of circuit. The converter is applicable to preceding stage of rectifier unit in distribution power source.
Description
Technical field
The present invention relates to power factor correcting converter, especially soft switch single phase alternating current (A.C.)-DC power factor correction converter.
Background technology
Present single phase alternating current (A.C.)-DC power factor correction converter as shown in Figure 1, it comprises the rectification circuit that is made of four diodes, inductance L, diode D2 and main switch S1, one end of inductance L links to each other with the output of rectification circuit, the other end links to each other with the anode of diode D2, inserts main switch S1 branch road between another output of the contact of inductance L and diode D2 and rectification circuit, is connected to output capacitance Co between another output of the negative terminal of diode D2 and rectification circuit.This single phase alternating current (A.C.)-DC power factor correction converter is applied to the input of global general-use power supply, can realize 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, limit the raising of operating frequency, reduced circuit efficiency.
Summary of the invention
The purpose of this invention is to provide a kind of global general-use power supply input that is applied to, can suppress the reverse recovery of diode, switching loss is little, efficient height, safe and reliable compound-active-clamp single phase alternating current (A.C.)-DC power factor correction converter.
Compound-active-clamp single phase alternating current (A.C.)-DC power factor correction converter of the present invention comprises the rectification circuit that is made of four diodes, inductance, diode and main switch, one end of inductance links to each other with an output of rectification circuit, the other end links to each other with the anode of diode, between another output of the contact of inductance and diode and rectification circuit, insert the main switch branch road, between another output of the negative terminal of diode and rectification circuit, be connected to output capacitance, it is characterized in that main switch first electric capacity in parallel, diode second electric capacity in parallel, and at said main switch branch road series resonance inductance, the circuit that is connected in parallel again and is in series with clamping capacitance at the two ends of resonant inductance cross-over connection auxiliary switch and the 3rd electric capacity.
Compound-active-clamp single phase alternating current (A.C.)-DC power factor correction converter of the present invention is simple in structure, the reverse recovery of diode is inhibited, make in the circuit all device for power switching realize soft switch, thereby reduced the switching loss in the converter, 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, can be used for prime rectifying device in the distributed power source.
Description of drawings
Fig. 1 is existing single phase alternating current (A.C.)-DC power factor correction converter;
Fig. 2 is compound-active-clamp single phase alternating current (A.C.) of the present invention-DC power factor correction converter circuit diagram;
Fig. 3 is the control impuls sequential chart of switching device among the present invention;
Main voltage and current waveform when Fig. 4 is a circuit working of the present invention.
Embodiment
With reference to Fig. 2, compound-active-clamp single phase alternating current (A.C.)-DC power factor correction converter of the present invention comprises the rectification circuit D1 that is made of four diodes, inductance L, diode D2 and main switch S1, main switch S1 first capacitor C 1 in parallel, diode D2 second capacitor C 2 in parallel, one end of inductance L links to each other with the output terminals A of rectification circuit, the other end links to each other with the anode of diode D2, between another output B of the contact of inductance L and diode D2 and rectification circuit, insert the series circuit of main switch S1 and resonant inductance L1, and the circuit that is connected in parallel again and is in series with clamping capacitance Cc in the two ends of resonant inductance L1 cross-over connection auxiliary switch S3 and the 3rd capacitor C 3, between another output B of the negative terminal of diode D2 and rectification circuit, insert output capacitance Co.
Describe the course of work of compound-active-clamp single phase alternating current (A.C.)-DC power factor correction converter in detail below in conjunction with Fig. 3, Fig. 4.For power factor correcting converter, in the positive and negative half-wave 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 positive half wave just here.In work period, converter has 6 operating states at a switch.
Stage 1 (t
0-t
1):
At t
0Constantly, auxiliary switch S3 is turned off, diode D2 conducting, and under the effect of the reverse current of resonant inductance L1, the shunt capacitance C3 of auxiliary switch S3 is by linear-charging, and the shunt capacitance C1 of main switch S1 is discharged by linearity, and the voltage linear at S1 two ends descends.To t
0Constantly, the voltage at S1 two ends reduces to zero, and diode begins conduction in its body, and S1 is driven open-mindedly under zero voltage condition afterwards, makes S1 realize soft switch.In this stage, because the existence of inductance L 1, the reverse recovery of diode is inhibited.
Stage 2 (t1-t2):
t
1Constantly, the electric current among the diode D2 drops to zero, oppositely turn-offs.The shunt capacitance C3 of resonant inductance L1 and capacitor C 2 and auxiliary switch S3 begins series resonance, and capacitor C 2 is recharged, and capacitor C 3 is discharged.At this stage end, capacitor C 2 both end voltage are clamped at (V
O+ V
Cc).
Stage 3 (t2-t3):
Diode is at t in the body of auxiliary switch S3
2Constantly begin conducting, auxiliary switch S3 can be open-minded under no-voltage thus, makes S3 realize soft switch.From t
2Beginning, clamping capacitance begins to discharge by resonant inductance L1.
Stage 4 (t3-t4):
t
3Constantly, main switch S1 is turned off.Because the effect of main switch shunt capacitance, main switch turn-offs under zero voltage condition.In the input inductance current i
LEffect under, the shunt capacitance C1 of main switch S1 is by linear-charging, capacitor C 2 discharges, the voltage at diode D2 two ends reduces until being zero, the D2 conducting, this stage finishes.
Stage 5 (t4-t5):
t
4Constantly, diode D2 conducting.The electric current of boost inductance L all flows to output by D2.
Stage 6 (t5-t6):
t
5Constantly, auxiliary switch S3 is turned off, and diode D2 keeps conducting.Electric current among this moment resonant inductance L1 keeps negative sense, thus the shunt capacitance C1 of main switch S1 discharged, up to t
6Diode begins conducting in the body of main switch S1 constantly.t
6Constantly, repeat next switch periods.
Claims (1)
1. compound-active-clamp single phase alternating current (A.C.)-DC power factor correction converter, it comprises the rectification circuit (D) that is made of four diodes, inductance (L), diode (D2) and main switch (S1), one end of inductance (L) links to each other with the output (A) of rectification circuit, the other end links to each other with the anode of diode (D2), between another output (B) of the contact of inductance (L) and diode (D2) and rectification circuit, insert main switch (S1) branch road, between another output (B) of the negative terminal of diode (D2) and rectification circuit, be connected to output capacitance (Co), it is characterized in that main switch (S1) first electric capacity in parallel (C1), diode (D2) second electric capacity in parallel (C2), and at said main switch (S1) branch road series resonance inductance (L1), the circuit that is connected in parallel again and is in series with clamping capacitance (Cc) at the two ends cross-over connection auxiliary switch (S3) of resonant inductance (L1) and the 3rd electric capacity (C3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100178142A CN1564448A (en) | 2004-04-13 | 2004-04-13 | Composite active clamped single-phase A.C-D.C power factor correction transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100178142A CN1564448A (en) | 2004-04-13 | 2004-04-13 | Composite active clamped single-phase A.C-D.C power factor correction transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1564448A true CN1564448A (en) | 2005-01-12 |
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ID=34479168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100178142A Pending CN1564448A (en) | 2004-04-13 | 2004-04-13 | Composite active clamped single-phase A.C-D.C power factor correction transformer |
Country Status (1)
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|---|---|
| CN (1) | CN1564448A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674064B (en) * | 2009-09-30 | 2012-10-10 | 艾默生网络能源有限公司 | Resonance circuit with a voltage clamping device and dynamic control method thereof |
| CN111865068A (en) * | 2020-07-17 | 2020-10-30 | 浙江大学 | Power factor correction circuit |
| CN112087060A (en) * | 2020-07-23 | 2020-12-15 | 厦门大学 | Active E-type rectifier for wireless power transmission receiving end |
| US11462994B2 (en) | 2020-07-17 | 2022-10-04 | Delta Electronics (Shanghai) Co., Ltd. | Control method for power factor correction circuit |
| CN115603572A (en) * | 2022-12-12 | 2023-01-13 | 广东致能科技有限公司（Cn） | Boost converter |
-
2004
- 2004-04-13 CN CNA2004100178142A patent/CN1564448A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674064B (en) * | 2009-09-30 | 2012-10-10 | 艾默生网络能源有限公司 | Resonance circuit with a voltage clamping device and dynamic control method thereof |
| CN111865068A (en) * | 2020-07-17 | 2020-10-30 | 浙江大学 | Power factor correction circuit |
| CN111865068B (en) * | 2020-07-17 | 2021-10-22 | 浙江大学 | 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 |
| CN112087060A (en) * | 2020-07-23 | 2020-12-15 | 厦门大学 | Active E-type rectifier for wireless power transmission receiving end |
| CN115603572A (en) * | 2022-12-12 | 2023-01-13 | 广东致能科技有限公司（Cn） | Boost converter |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |