CN102130576B - Bridgeless power factor correction circuit with low voltage stress for wide voltage output - Google Patents
Bridgeless power factor correction circuit with low voltage stress for wide voltage output Download PDFInfo
- Publication number
- CN102130576B CN102130576B CN2010106071873A CN201010607187A CN102130576B CN 102130576 B CN102130576 B CN 102130576B CN 2010106071873 A CN2010106071873 A CN 2010106071873A CN 201010607187 A CN201010607187 A CN 201010607187A CN 102130576 B CN102130576 B CN 102130576B
- Authority
- CN
- China
- Prior art keywords
- power switch
- circuit
- switch tube
- diode
- inductance
- 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.)
- Expired - Fee Related
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
The invention relates to a bridgeless boost PFC (Power Factor Correction) circuit with low voltage stress, which is characterized in that one end of an AC (Alternating Current) input power supply Vin is connected with a common end for an emitter of a switching tube S1 and a collector of a switching tube S2, and a source electrode of a switching tube S5, a drain electrode of S5 is connected with a drain electrode of a switching tube S6, the other end of the power supply is connected with a common end for an emitter of a switching tube S3 and a collector of a switching tube S4, and one end of an inductance L1, the other end of L1 is connected with a common end for an anode of a diode D1 and a cathode of a diode D2, and a source electrode of the switching tube S6, collectors of the switching tubes S1 and S3 and a cathode of D1 are jointly connected with an anode of a capacitor C1, emitters of the switching tubes S2 and S4 and an anode of D2 are jointly connected with a cathode of C1, equivalent load resistors are connected on two ends of C1 in parallel, the grids and the emitters of S1, S2, S3 and S4 and the grids and the emitters of S5 and S6 are connected with respective control drive signals, and Vin, S1, S2, S5, S6, D1, D2, L1, C1 and R1 form a bridgeless BOOST circuit; and Vin, S1, S2, S3, S4, D1, D2, L1, C1 and R1 form a bridgeless BUCK circuit. The bridgeless boost PFC circuit is integrated with input rectification and power factor correction converter circuits, and can realize the boostable wide voltage output.
Description
Technical field
But the present invention relates to a kind of wide output voltage of the also step-down of boosting of low voltage stress without the bridge power factor correction circuit.
Background technology
The output voltage of existing non-bridge PFC circuits is realized boosting and can not step-down substantially only, the application scenario that therefore can't satisfy wide output voltage.Though there is in recent years the people to propose non-bridge PFC circuits such as the CUK of lifting press, the circuit such as SEPIC, this switch tube voltage stress is input voltage and output voltage sum, and switch tube voltage stress is larger, and circuit cost is higher.Simultaneously because the problem of circuit structure is used problems such as also needing to solve components and parts in large-power occasions.
Summary of the invention
Deficiency in view of above-mentioned technology, the present invention proposes a kind of low voltage stress without bridge buck pfc circuit, this circuit arrangement has omitted the input rectifying bridge, reduced conduction loss, can realize that output voltage can rise the wide output voltage that can fall, and the voltage stress of reduction switching tube, reduce switching loss and device service rating, thereby improve the conversion efficiency of High Power Factor rectifier converter.
The present invention adopts following scheme to realize: a kind of low voltage stress without bridge buck pfc circuit, comprise and exchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 3, power switch tube S 4, power switch tube S 5, power switch tube S 6, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance, it is characterized in that: the common port of the emitter of described AC power Vin one termination S1 and the collector electrode of S2, connect simultaneously the source electrode of S5, the drain electrode of S5 connects the drain electrode of S6, one end of the emitter of another termination power switch tube S 3 of power supply and the common port of S4 collector electrode and inductance L 1, another terminating diode D1 anode of L1 and the common port of D2 negative electrode and the source electrode of S6, S1, the collector electrode of S3 and the negative electrode of D1 connect the positive pole of storage capacitor C1 jointly, S2, the anode of S4 emitter and D2 connects the negative pole of storage capacitor C1 jointly, and equivalent load R1 is connected in parallel on C1 two ends, S1, S2, S3, the grid emitter-base bandgap grading of S4, S5, the control that the grid source electrode of S6 connects separately drives signal, above-mentioned interchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 5, power switch tube S 6, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance have consisted of the circuit without bridge BOOST; Exchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 3, power switch tube S 4, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance have consisted of the circuit without bridge BUCK.
A kind of low voltage stress of the present invention without in the bridge buck pfc circuit, six power switch pipe high-frequency works, by selecting the break-make of these six power switch pipes, when input voltage is lower than output voltage, circuit equivalent is without bridge BOOST circuit, when input voltage was higher than output voltage, circuit equivalent was without bridge BUCK circuit.
Below be nine kinds of mode of operations of circuit:
Circuit the first mode of operation: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.It is left positive right negative to exchange input source Vin, power switch tube S 5 and power switch tube S 6 conductings, and all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 5 and power switch tube S 6, storage capacitor C1 provide energy to equivalent load resistance.
The second mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.It is left positive right negative to exchange input source Vin, power switch tube S 1 and diode D2 conducting, and all the other power switch pipes and diode turn-off.Exchange the energy that stores on input source Vin and the inductance L 1 and pass to storage capacitor C1 and equivalent load resistance by power switch tube S 1 and diode D2.
The third mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.Just exchange the left negative right side of input source Vin, power switch tube S 5 and power switch tube S 6 conductings, all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 5 and power switch tube S 6, storage capacitor C1 provide energy to equivalent load resistance.
The 4th kind of mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.Just exchange the left negative right side of input source Vin, power switch tube S 2 and diode D1 conducting, all the other power switch pipes and diode turn-off.Exchange the energy that stores on input source Vin and the inductance L 1 and pass to storage capacitor C1 and equivalent load resistance by power switch tube S 2 and diode D1.
The 5th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.It is left positive right negative to exchange input source Vin, power switch tube S 1 and diode D2 conducting, and all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 1 and diode D2, and energy is passed to storage capacitor C1 and equivalent load resistance.
The 6th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.It is left positive right negative to exchange input source Vin, power switch tube S 3 and diode D2 conducting, and all the other power switch pipes and diode turn-off.The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 3 and diode D2.
The 7th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.Just exchange the left negative right side of input source Vin, power switch tube S 2 and diode D1 conducting, all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 2 and diode D1, and energy is passed to storage capacitor C1 and equivalent load resistance.
The 8th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.Just exchange the left negative right side of input source Vin, power switch tube S 4 and diode D1 conducting, all the other power switch pipes and diode turn-off.The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 4 and diode D1.
The 9th kind of mode of operation of circuit: input voltage is just exchanging the left positive right negative or left negative right side of input source Vin less than output voltage or greater than output voltage, and all power switch pipes and diode all turn-off.The energy that inductance L 1 stores discharges fully, the discontinuous current of inductance L 1, and storage capacitor C1 provide energy to equivalent load resistance.
Major advantage of the present invention is:
1, omits the input rectifying bridge, reduced conduction loss.
2, by selecting power switch pipe to make circuit working without bridge BOOST circuit or be operated in the circuit without bridge BUCK, realized that output voltage can also can be less than the function of input voltage greater than input voltage.
3, the voltage stress of power switch pipe is less, can reduce switching loss and device service rating, has saved cost.
Description of drawings
Fig. 1 is specific implementation circuit diagram of the present invention.
Fig. 2 is the first working mode figure of the present invention.
Fig. 3 is the second working mode figure of the present invention.
Fig. 4 is the third working mode figure of the present invention.
Fig. 5 is the 4th kind of working mode figure of the present invention.
Fig. 6 is the 5th kind of working mode figure of the present invention.
Fig. 7 is the 6th kind of working mode figure of the present invention.
Fig. 8 is the 7th kind of working mode figure of the present invention.
Fig. 9 is the 8th kind of working mode figure of the present invention.
Figure 10 is the 9th kind of working mode figure of the present invention.
Embodiment
With reference to accompanying drawing 1, a kind of low voltage stress that the present invention proposes without bridge buck pfc circuit, comprise exchanging input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 3, power switch tube S 4, power switch tube S 5, power switch tube S 6, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance.It is characterized in that: the common port of the emitter of described AC power Vin one termination S1 and the collector electrode of S2, connect simultaneously the source electrode of S5, the drain electrode of S5 connects the drain electrode of S6, one end of the emitter of another termination power switch tube S 3 of power supply and the common port of S4 collector electrode and inductance L 1, another terminating diode D1 anode of L1 and the common port of D2 negative electrode and the source electrode of S6, S1, the collector electrode of S3 and the negative electrode of D1 connect the positive pole of storage capacitor C1 jointly, S2, the anode of S4 emitter and D2 connects the negative pole of storage capacitor C1 jointly, equivalent load resistance is connected in parallel on the C1 two ends, S1, S2, S3, the grid emitter-base bandgap grading of S4, S5, the control that the grid source electrode of S6 connects separately drives signal.
Interchange input source Vin among Fig. 1, power switch tube S 1, power switch tube S 2, power switch tube S 5, power switch tube S 6, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance have consisted of the circuit without bridge BOOST; Exchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 3, power switch tube S 4, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance have consisted of the circuit without bridge BUCK.Six power switch pipe high-frequency works, by selecting the break-make of these six power switch pipes, when input voltage is lower than output voltage, a kind of low voltage stress that the present invention proposes be without bridge BOOST circuit without the equivalence of bridge buck pfc circuit, when input voltage is higher than output voltage, a kind of low voltage stress that the present invention proposes be without bridge BUCK circuit without the equivalence of bridge buck pfc circuit.Nine kinds of mode of operations such as the accompanying drawing 2 without bridge buck pfc circuit of a kind of low voltage stress that the present invention proposes, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, accompanying drawing 7, accompanying drawing 8 is shown in accompanying drawing 9 and the accompanying drawing 10.Solid line partly is the circuit loop of real work in each pattern among the figure, and dotted portion is for having neither part nor lot in the circuit part of work in each pattern.
With reference to accompanying drawing 2, the first working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.It is left positive right negative to exchange input source Vin, power switch tube S 5 and power switch tube S 6 conductings, and all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 5 and power switch tube S 6, storage capacitor C1 provide energy to equivalent load resistance, namely without bridge BOOST circuit inductance L1 charged state.
With reference to accompanying drawing 3, the second working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.It is left positive right negative to exchange input source Vin, power switch tube S 1 and diode D2 conducting, and all the other power switch pipes and diode turn-off.Exchange the energy that stores on input source Vin and the inductance L 1 and pass to storage capacitor C1 and equivalent load R1 by power switch tube S 1 and diode D2, namely without the electric current afterflow state of the inductance L 1 of bridge BOOST circuit.
With reference to accompanying drawing 4, the third working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.Just exchange the left negative right side of input source Vin, power switch tube S 5 and power switch tube S 6 conductings, all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 5 and power switch tube S 6, storage capacitor C1 provide energy to equivalent load resistance, namely without bridge BOOST circuit inductance L1 charged state.
With reference to accompanying drawing 5, the 4th kind of working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit.Just exchange the left negative right side of input source Vin, power switch tube S 2 and diode D1 conducting, all the other power switch pipes and diode turn-off.Exchange the energy that stores on input source Vin and the inductance L 1 and pass to storage capacitor C1 and equivalent load resistance by power switch tube S 2 and diode D1, namely without the electric current afterflow state of the inductance L 1 of bridge BOOST circuit.
With reference to accompanying drawing 6, the 5th kind of working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.It is left positive right negative to exchange input source Vin, power switch tube S 1 and diode D2 conducting, and all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 1 and diode D2, and energy is passed to storage capacitor C1 and equivalent load resistance, namely without bridge BUCK circuit inductance L1 charged state.
With reference to accompanying drawing 7, the 6th kind of working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.It is left positive right negative to exchange input source Vin, power switch tube S 3 and diode D2 conducting, and all the other power switch pipes and diode turn-off.The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 3 and diode D2, namely without the electric current afterflow state of the inductance L 1 of bridge BUCK circuit.
With reference to accompanying drawing 8, the 7th kind of working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.Just exchange the left negative right side of input source Vin, power switch tube S 2 and diode D1 conducting, all the other power switch pipes and diode turn-off.Exchange input source Vin and charge to inductance L 1 by power switch tube S 2 and diode D1, and energy is passed to storage capacitor C1 and equivalent load resistance, namely without bridge BUCK circuit inductance L1 charged state.
With reference to accompanying drawing 9, the 8th kind of working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit.Just exchange the left negative right side of input source Vin, power switch tube S 4 and diode D1 conducting, all the other power switch pipes and diode turn-off.The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 4 and diode D1, namely without the electric current afterflow state of the inductance L 1 of bridge BUCK circuit.
With reference to accompanying drawing 10, the 9th kind of working mode figure without bridge buck pfc circuit of a kind of low voltage stress that proposes among the present invention.Under this mode of operation, input voltage can also can exchange input source Vin and can left positive right bearing just also can exchange the left negative right side of input source Vin greater than output voltage less than output voltage, and all power switch pipes and diode all turn-off.The energy that stores on the inductance L 1 discharges fully, the discontinuous current on the inductance L 1, and storage capacitor C1 provides energy to equivalent load R1, namely without bridge BOOST circuit or without bridge BUCK circuit inductance L1 discontinuous current state.
More than be preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention when the function that produces does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
List of references
1、?Prasad?N.?En?'eti,?etal,?A?HIGH?PERFORMANCE?SINGLE?PHASE?AC?TO?DC?RECTIFIER?WITH?INPUT?POWER?FACTOR?CORRECTION,?IEEE?PESC?1993,?pp.190-195
2、?Ahmad?J.?Sabzali，etal,?A?New?Bridgeless?PFC?Sepic?and?Cuk?Rectifiers?with?Low?Conduction?and?Switching?Losses,?IEEE?PEDS2009,?pp.550-556
3、Laszlo?Huber,Etal，?Performance?Evaluation?of?Bridgeless?PFC?Boost?Rectifiers，?IEEE?APEC2007?pp.165-171。
Claims (10)
1. a low voltage stress without bridge buck pfc circuit, comprise and exchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 3, power switch tube S 4, power switch tube S 5, power switch tube S 6, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance, it is characterized in that: the common port of the emitter of described alternating current input power supplying Vin one termination S1 and the collector electrode of S2, connect simultaneously the source electrode of S5, the drain electrode of S5 connects the drain electrode of S6, one end of the emitter of another termination power switch tube S 3 of power supply and the common port of S4 collector electrode and inductance L 1, another terminating diode D1 anode of L1 and the common port of D2 negative electrode and the source electrode of S6, S1, the collector electrode of S3 and the negative electrode of D1 connect the positive pole of storage capacitor C1 jointly, S2, the anode of S4 emitter and D2 connects the negative pole of storage capacitor C1 jointly, and equivalent load resistance is connected in parallel on C1 two ends, S1, S2, S3, the grid emitter-base bandgap grading of S4, S5, the control that the grid source electrode of S6 connects separately drives signal, above-mentioned interchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 5, power switch tube S 6, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load R1 have consisted of the circuit without bridge BOOST; Exchange input source Vin, power switch tube S 1, power switch tube S 2, power switch tube S 3, power switch tube S 4, diode D1, diode D2, inductance L 1, storage capacitor C1 and equivalent load resistance have consisted of the circuit without bridge BUCK.
2. a kind of low voltage stress as claimed in claim 1 without bridge buck pfc circuit, it is characterized in that: six power switch pipe high-frequency works, by selecting the break-make of these six power switch pipes, when input voltage is lower than output voltage, circuit equivalent is without bridge BOOST circuit, when input voltage was higher than output voltage, circuit equivalent was without bridge BUCK circuit.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the first mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit;
It is left positive right negative to exchange input source Vin, power switch tube S 5 and power switch tube S 6 conductings, and all the other power switch pipes and diode turn-off; Exchange input source Vin and charge to inductance L 1 by power switch tube S 5 and power switch tube S 6, storage capacitor C1 provide energy to equivalent load resistance.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the second mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit; It is left positive right negative to exchange input source Vin, power switch tube S 1 and diode D2 conducting, and all the other power switch pipes and diode turn-off; Exchange the energy that stores on input source Vin and the inductance L 1 and pass to storage capacitor C1 and equivalent load resistance by power switch tube S 1 and diode D2.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the third mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit; Just exchange the left negative right side of input source Vin, power switch tube S 5 and power switch tube S 6 conductings, all the other power switch pipes and diode turn-off; Exchange input source Vin and charge to inductance L 1 by power switch tube S 5 and power switch tube S 6, storage capacitor C1 provide energy to equivalent load resistance.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the 4th kind of mode of operation of circuit: input voltage is less than output voltage, and circuit equivalent is without bridge BOOST circuit; Just exchange the left negative right side of input source Vin, power switch tube S 2 and diode D1 conducting, all the other power switch pipes and diode turn-off; Exchange the energy that stores on input source Vin and the inductance L 1 and pass to storage capacitor C1 and equivalent load resistance by power switch tube S 2 and diode D1.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the 6th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit; It is left positive right negative to exchange input source Vin, power switch tube S 3 and diode D2 conducting, and all the other power switch pipes and diode turn-off; The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 3 and diode D2.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the 7th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit; Just exchange the left negative right side of input source Vin, power switch tube S 2 and diode D1 conducting, all the other power switch pipes and diode turn-off; Exchange input source Vin and charge to inductance L 1 by power switch tube S 2 and diode D1, and energy is passed to storage capacitor C1 and equivalent load resistance.
A kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, it is characterized in that the 8th kind of mode of operation of circuit: input voltage is greater than output voltage, and circuit equivalent is without bridge BUCK circuit; Just exchange the left negative right side of input source Vin, power switch tube S 4 and diode D1 conducting, all the other power switch pipes and diode turn-off; The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 4 and diode D1.
10. a kind of low voltage stress as claimed in claim 2 without bridge buck pfc circuit, the 9th kind of mode of operation that it is characterized in that circuit: input voltage is less than output voltage or greater than output voltage, just exchange the left positive right negative or left negative right side of input source Vin, all power switch pipes and diode all turn-off; The energy that inductance L 1 stores discharges fully, the discontinuous current of inductance L 1, and storage capacitor C1 provide energy to equivalent load resistance; The energy that is stored on the inductance L 1 passes to storage capacitor C1 and equivalent load resistance by power switch tube S 4 and diode D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106071873A CN102130576B (en) | 2010-12-27 | 2010-12-27 | Bridgeless power factor correction circuit with low voltage stress for wide voltage output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106071873A CN102130576B (en) | 2010-12-27 | 2010-12-27 | Bridgeless power factor correction circuit with low voltage stress for wide voltage output |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102130576A CN102130576A (en) | 2011-07-20 |
| CN102130576B true CN102130576B (en) | 2013-01-16 |
Family
ID=44268503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106071873A Expired - Fee Related CN102130576B (en) | 2010-12-27 | 2010-12-27 | Bridgeless power factor correction circuit with low voltage stress for wide voltage output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102130576B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510213A (en) * | 2011-11-04 | 2012-06-20 | 安徽工业大学 | Two-switch DC-DC (Direct-Current-Direct-Current) boost converter |
| US20140354246A1 (en) * | 2013-05-30 | 2014-12-04 | Flextronics Ap, Llc | Bridgeless pfc power converter with high efficiency |
| CN104779784A (en) * | 2014-01-11 | 2015-07-15 | 亚荣源科技（深圳）有限公司 | Single-phase power factor corrector with voltage boosting and reduction functions |
| CN110661413B (en) * | 2019-09-16 | 2021-07-06 | 三峡大学 | Single-phase three-level power factor correction rectifier based on four symmetrical ports |
| CN110649829B (en) * | 2019-09-16 | 2021-03-23 | 三峡大学 | Single-phase three-level power factor correction rectifier based on asymmetric four-port |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083398A (en) * | 2006-06-02 | 2007-12-05 | 台达电子工业股份有限公司 | Power factor correcting converter |
| CN101472373A (en) * | 2007-12-26 | 2009-07-01 | 林清华 | Mixing bridge type electric ballast |
| CN101604913A (en) * | 2008-04-11 | 2009-12-16 | 崇贸科技股份有限公司 | The no bridge type power converter of tool power factor correction |
-
2010
- 2010-12-27 CN CN2010106071873A patent/CN102130576B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083398A (en) * | 2006-06-02 | 2007-12-05 | 台达电子工业股份有限公司 | Power factor correcting converter |
| CN101472373A (en) * | 2007-12-26 | 2009-07-01 | 林清华 | Mixing bridge type electric ballast |
| CN101604913A (en) * | 2008-04-11 | 2009-12-16 | 崇贸科技股份有限公司 | The no bridge type power converter of tool power factor correction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102130576A (en) | 2011-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108448913B (en) | Single-stage isolated AC-DC converter based on staggered parallel bridgeless PFC circuit and LLC resonance | |
| CN103066873B (en) | Novel voltage reduction type bridgeless Cuk power factor correction (PFC) circuit | |
| CN203261235U (en) | High-gain SEPIC converter | |
| CN105553249B (en) | Wide-voltage range low voltage stress current-injecting three-phase power factor correcting circuit | |
| CN111416536A (en) | Single-phase double-boosting bridgeless five-level rectifier based on bidirectional tube insertion | |
| CN105141134A (en) | Switch power supply and method for controlling switch power supply | |
| CN107041036B (en) | A kind of single-stage LED drive circuit of integrated bridgeless Boost and LLC circuit | |
| CN102130576B (en) | Bridgeless power factor correction circuit with low voltage stress for wide voltage output | |
| CN108235509B (en) | A kind of single-stage LED drive circuit of integrated decompression Cuk and LLC circuit | |
| CN203859682U (en) | Low-input current ripple single-switch high-gain converter | |
| CN102299649A (en) | Power supply converter | |
| CN108770126B (en) | LED drive circuit with double-input boosting Cuk and working method thereof | |
| CN107453603B (en) | Dual-input Sepic converter | |
| CN116191858A (en) | Cuk type power factor correction circuit based on switching inductance | |
| AL-Kaabi et al. | Bridgeless high voltage battery charger PFC rectifier | |
| CN104780692A (en) | Single-stage non-bridge LED driving circuit integrated by double Boost and Flyback | |
| CN205490142U (en) | Switched inductor boost converter | |
| CN102075078A (en) | Low-input voltage bridgeless staggered voltage-multiplying power factor correction device | |
| CN105553271A (en) | Control method of three-phase DC converter | |
| CN204442168U (en) | A kind of based on without bridge CUK isolated form Three Phase Power Factor Correction Converter | |
| CN104967304B (en) | One kind is based on no bridge CUK isolated form Three Phase Power Factor Correction Converters | |
| CN111525821A (en) | Novel PFC rectifier circuit | |
| Cao et al. | An improved bridgeless interleaved boost PFC rectifier with optimized magnetic utilization and reduced sensing noise | |
| CN202713148U (en) | Converter and power factor correction device provided therewith | |
| CN109194165A (en) | AC-DC power converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |