CN103856081A - Alternating current/direct current conversion device and power factor correction method thereof - Google Patents
Alternating current/direct current conversion device and power factor correction method thereof Download PDFInfo
- Publication number
- CN103856081A CN103856081A CN201210518122.0A CN201210518122A CN103856081A CN 103856081 A CN103856081 A CN 103856081A CN 201210518122 A CN201210518122 A CN 201210518122A CN 103856081 A CN103856081 A CN 103856081A
- Authority
- CN
- China
- Prior art keywords
- diode
- inductance
- electric capacity
- negative pole
- connects
- 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.)
- Granted
Links
Images
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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/005—Conversion of dc power input into dc power output using Cuk converters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
An alternating current/direct current conversion device comprises a rectifying circuit and an active power factor correction circuit. The rectifying circuit is electrically connected with a power supply so as to convert alternating currents into direct currents and is provided with an anode output end and a cathode output end which are used for outputting the direct currents. One side of the active power factor correction circuit is electrically connected with the rectifying circuit, and the other side of the active power factor correction circuit is electrically connected with an load so as to restrain voltage ripples output to the load.
Description
Technical field
The present invention is relevant with power supply change-over device, refers in more detail a kind of DC-AC conversion device and power factor correction function method thereof.
Background technology
Press, traditional DC-AC conversion device as shown in Figure 1, includes a rectification circuit 300 and an output capacitance C, and this rectification circuit 300 converts an AC power to a DC power supply, this output capacitance C is connected across the output of this rectification circuit, and this output capacitance C is for a load 400 in parallel.This DC-AC conversion device is in the time of start, and the input voltage of this AC power in the different situation of phase place, causes that power factor is low and electric current total harmonic distortion is serious from input current.In addition, only at the voltage of this DC power supply during higher than the voltage of output capacitance C, just can charge to output capacitance C, therefore cause the output capacitance C charging interval to shorten, cause diode current flow time in rectification circuit 300 also with shortening, and the peak value of On current increases thereupon, cause input current waveform distortion and power factor to reduce.Power factor reduces except wasting energy, and unnecessary burden is filled by the supply of electric power system of the company that also increases electric power.Dimension, for improving above-mentioned shortcoming, the DC-AC conversion device with power factor correction circuit just in response to and give birth to.
And tradition can be divided into active and two kinds of passive types for the power factor correction circuit of DC-AC conversion device.Active power factor correction circuit is to use a switch module control inputs electric current initiatively, and its advantage is that power factor can reach more than 0.99, current harmonics distortion total amount is less than 10%, input voltage range is extensive, output voltage stabilization and and be not subject to power output influence of change.But active power factor correction circuit need use extra active switch module, it easily has the shortcoming that electromagnetic noise is large and durability is low, therefore how to improve the direction that above-mentioned shortcoming is the improvement of the bitter department of dealer always.In addition, for the ripple that makes the output voltage in this load reduces, aforesaid output capacitance must adopt the electrochemical capacitor of high capacitance, and the situation that electrochemical capacitor easily leaks outside because of the electrolyte that is heated for a long time causes shorten the useful life of circuit.
Summary of the invention
The object of the present invention is to provide a kind of DC-AC conversion device and power factor correction function method thereof, can effectively improve power factor, and also can effectively suppress the voltage ripple that load is given in output.
For achieving the above object, DC-AC conversion device provided by the invention, in order to the alternating current of a power supply is converted to after direct current, a load is given in power supply; This DC-AC conversion device includes:
One rectification circuit, is electrically connected with this power supply, in order to convert alternating current to direct current, and has to export a galvanic cathode output end and a cathode output end; And
One active power factor correction circuit, a side is electrically connected this rectification circuit, and opposite side is electrically connected this load, gives the voltage ripple of load, and include in order to suppress output:
One first diode, its negative pole connects the cathode output end of this rectification circuit;
One second diode, its anodal cathode output end that connects this rectification circuit;
One the 3rd diode, its anodal positive pole that connects this first diode;
One first inductance, its one end connects the negative pole of this first diode and the cathode output end of this rectification circuit;
One second inductance, its one end connects the negative pole of this second diode, and the other end connects the positive pole of this first diode and the 3rd diode;
One first electric capacity, one end connects this first inductance, and the other end connects the positive pole of this second inductance and this first diode and the 3rd diode;
One electronic switch, one end connects this first inductance and this first electric capacity, and the other end connects the cathode output end of this rectification circuit and the positive pole of this second diode;
One the 4th diode, its anodal negative pole and this second inductance that connects this second diode, and negative pole connects the negative pole of the 3rd diode;
One the 3rd inductance, its one end is electrically connected to the negative pole of the 3rd diode and the negative pole of the 4th diode;
One second electric capacity, its one end is connected to the negative pole of the 3rd diode and the negative pole of the 4th diode, and the other end connects the 3rd inductance;
One the 3rd electric capacity, this load that is connected in parallel, and its one end connects the 3rd inductance and this second electric capacity, and the other end connects the positive pole of negative pole, this second inductance and the 4th diode of this second diode.
Described DC-AC conversion device, wherein, the 3rd inductance of this active power factor correction circuit is to be electrically connected to the negative pole of the 3rd diode and the negative pole of the 4th diode by one the 5th diode; The positive pole of the 5th diode connects the negative pole of the 3rd diode and the negative pole of the 4th diode, and negative pole connects the 3rd inductance.
Described DC-AC conversion device, wherein, this first electric capacity is polarity free capacitor.
Described DC-AC conversion device, wherein, this second electric capacity is polarity free capacitor.
Described DC-AC conversion device, wherein, the 3rd electric capacity is non-electrolytic capacitor.
The bearing calibration of active power factor correction circuit described above provided by the invention, in order to receive the direct current of this rectification circuit output, and suppresses output and gives the voltage ripple of load, and include the following step:
A) this electronic switch of conducting, makes the direct current of this rectification circuit output to this first inductor charging, and this first electric capacity is to this second induction charging, and the 3rd inductance, this second electric capacity and the 3rd electric capacity are released energy to this load;
B) disconnect this electronic switch, this first diode of conducting, make this first inductance release energy to this first electric capacity, and the energy storage of this second inductance continues to transfer to the 3rd electric capacity;
C) conducting the 4th diode, makes this second electric capacity and the 3rd inductance release energy to the 3rd electric capacity, makes the 3rd capacitances to supply power give this load;
D) when this first inductance is released can be complete time this first electric capacity, this first diode cut-off, and this second electric capacity continues the 3rd electric capacity to release energy with the 3rd inductance, makes the 3rd capacitances to supply power give this load.
Described bearing calibration, wherein, after step D, includes the step of repeated execution of steps A to step D.
Described bearing calibration, wherein, in step B, this second inductance is the resonant circuit forming by this second electric capacity and the 3rd inductance, and its energy storage is conducted to the 3rd electric capacity.
Described bearing calibration, wherein, in step C, in the time that the cross-pressure of the 3rd inductance is greater than the cross-pressure of the 3rd electric capacity, the 4th diode current flow.
Described bearing calibration, wherein, in step C, this first inductance continues this first electric capacity to release energy.
The present invention designs and the bearing calibration of active power factor correction circuit by foregoing circuit, just can make this DC-AC conversion device have and improve power factor and effectively suppress output the effect of giving the voltage ripple of load.
Brief description of the drawings
Fig. 1 is the circuit diagram of known DC-AC conversion device;
Fig. 2 is the circuit diagram of the DC-AC conversion device of preferred embodiment of the present invention;
Fig. 3 to Fig. 6 is the equivalent circuit diagram of each step;
Fig. 7 is the mode chart of output voltage and electric current.
Primary clustering symbol description in accompanying drawing
10 rectification circuits, 12 cathode output ends, 14 cathode output ends, 20 active power factor correction circuits, D1~D5 diode, L1~L3 inductance, C1~C3 electric capacity, SW electronic switch, 100 power supplys, 200 loads, 300 rectification circuits, 400 loads, C output capacitance.
Embodiment
DC-AC conversion device provided by the invention is in order to the alternating current of a power supply is converted to after direct current, and a load is given in power supply.This DC-AC conversion device includes a rectification circuit and an active power factor correction circuit.Wherein, this rectification circuit and this power supply are electrically connected, and in order to convert alternating current to direct current, and have to export a galvanic cathode output end and a cathode output end; This active power factor correction circuit one side is electrically connected this rectification circuit, and opposite side is electrically connected this load, gives the voltage ripple of load, and include one first diode in order to suppress output, and its negative pole connects the cathode output end of this rectification circuit; One second diode, its anodal cathode output end that connects this rectification circuit; One the 3rd diode, its anodal positive pole that connects this first diode; One first inductance, its one end connects the negative pole of this first diode and the cathode output end of this rectification circuit; One second inductance, its one end connects the negative pole of this second diode, and the other end connects the positive pole of this first diode and the 3rd diode; One first electric capacity, one end connects this first inductance, and the other end connects the positive pole of this second inductance and this first diode and the 3rd diode; One electronic switch, one end connects this first inductance and this first electric capacity, and the other end connects the cathode output end of this rectification circuit and the positive pole of this second diode; One the 4th diode, its anodal negative pole and this second inductance that connects this second diode, and negative pole connects the negative pole of the 3rd diode; One the 3rd inductance, its one end is electrically connected to the negative pole of the 3rd diode and the negative pole of the 4th diode; One second electric capacity, its one end is connected to the negative pole of the 3rd diode and the negative pole of the 4th diode, and the other end connects the other end of the 3rd inductance; One the 3rd electric capacity, this load that is connected in parallel, and its one end connects the 3rd inductance and this second electric capacity, and the other end connects the positive pole of anodal and the 4th diode of negative pole, this second inductance of this second diode.
According to above-mentioned design, the present invention also provides the bearing calibration of this active power factor correction circuit, in order to receive the direct current of this rectification circuit output, and suppresses output and gives the voltage ripple of load, and include the following step:
A. this electronic switch of conducting, makes the direct current of this rectification circuit output to this first inductor charging, and this first electric capacity is to this second induction charging, and the 3rd inductance, this second electric capacity and the 3rd electric capacity are released energy to this load;
B. disconnect this electronic switch, this first diode of conducting, make this first inductance release energy to this first electric capacity, and the energy storage of this second inductance continues to transfer to the 3rd electric capacity;
C. conducting the 4th diode, make this first inductance continue to this first electric capacity release can, and this second electric capacity and the 3rd inductance release energy to the 3rd electric capacity, makes the 3rd capacitances to supply power give this load;
D. when this first inductance is released can be complete time this first electric capacity, this first diode cut-off, and this second electric capacity continues the 3rd electric capacity to release energy with the 3rd inductance, makes the 3rd capacitances to supply power give this load.
For being illustrated more clearly in the present invention, lift preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
Refer to Fig. 2, the DC-AC conversion device of preferred embodiment of the present invention is in order to the alternating current of a power supply 100 is converted to after direct current, and a load 200 is given in power supply.This DC-AC conversion device includes a rectification circuit 10 and an active power factor correction circuit 20.Wherein:
This rectification circuit 10 is electrically connected with this power supply 100, in order to convert alternating current to direct current, and has to export a galvanic cathode output end 12 and a cathode output end 14.
These active power factor correction circuit 20 1 sides are electrically connected this rectification circuit 10, and opposite side is electrically connected this load 200, in order to improve merit because also suppressing the voltage ripple that this load 200 is given in output.This active power factor correction circuit 20 includes five diodes (the first diode D1 to the five diode D5), three inductance (the first inductance L 1 is to the 3rd inductance L 3), three electric capacity (the first capacitor C 1 is to the 3rd capacitor C 3) and an electronic switch SW.The annexation of these assemblies is as described below: the negative pole of this first diode D1 connects the cathode output end 12 of this rectification circuit 10.The positive pole of this second diode D2 connects the cathode output end 14 of this rectification circuit 10.The positive pole of the 3rd diode D3 connects the positive pole of this first diode D1.This first inductance L 1 one end connects the negative pole of this first diode D1 and the cathode output end 12 of this rectification circuit 10.One end of this second inductance L 2 connects the negative pole of this second diode D2, and the other end connects the positive pole of this first diode D1 and the 3rd diode D3.This first capacitor C 1 is a polarity free capacitor, and its one end connects this first inductance L 1, and the other end connects the positive pole of this second inductance L 2 and this first diode D1 and the 3rd diode D3.This electronic switch SW one end connects this first inductance L 1 and this first electric capacity L2, and the other end connects the cathode output end 14 of this rectification circuit 10 and the positive pole of this second diode D2.The positive pole of the 4th diode D4 connects negative pole and this second inductance L 2 of this second diode D2, and negative pole connects the negative pole of the 3rd diode D3.The positive pole of the 5th diode D5 is connected to the negative pole of the 3rd diode D3 and the negative pole of the 4th diode D4.One end of the 3rd inductance L 3 is electrically connected to the negative pole of the 4th diode D4.This second capacitor C 2 is a polarity free capacitor, and its one end is connected to the negative pole of the 3rd diode D3 and the 4th diode D4, and the other end connects the 3rd inductance L 3.The 3rd capacitor C 3 is non-electrolytic capacitor, and this load 200 that is connected in parallel, and its one end connects the 3rd inductance L 3 and this second capacitor C 2, and the other end connects the positive pole of negative pole, this second inductance L 2 and the 4th diode D4 of this second diode D2.
In the present embodiment, the resistance of these capacitor C 1~C3, these inductance L 1~L3, input voltage, output voltage, electronic switch switching frequency and this load 200 is as shown in the table:
The |
60μH |
The |
220μH |
The 3rd inductance L 3 | 68μH |
The |
100μF |
The |
22nF |
The 3rd capacitor C 3 | 1μF |
Input voltage vin | 110V |
Output voltage V out | 12V |
Switching frequency | 100KHz |
Load resistance | 5Ω |
Thus, design and specification by said structure, this active power factor correction circuit 20 receives after the direct current that these rectification circuits 10 export, utilize proofread and correct merit because of start method, just can imitate ground hoisting work because also suppressing the voltage ripple that load is given in output, it includes the following step:
A. refer to Fig. 3, this electronic switch of conducting SW, make direct current that this rectification circuit 10 exports to this first inductor L1 charging, and this first capacitor C 1 charges to this second inductance L 2, and the 3rd inductance L 3, this second electric capacity L2 and the 3rd electric capacity L3 release energy to this load 200.
B. refer to Fig. 4, disconnect this electronic switch SW, with this first diode of conducting D1, this first inductance L 1 is released this first capacitor C 1 can, and the resonant circuit that this second inductance L 2 forms by this second capacitor C 2 and the 3rd inductance L 3, its energy storage is continued to transfer to the 3rd capacitor C 3, make the 3rd capacitor C 3 power supplies give load 200, and the now cross-pressure polarity inversion of this second capacitor C 2.
C. refer to Fig. 5, in the time that the cross-pressure of the 3rd inductance L 3 is greater than the cross-pressure of the 3rd capacitor C 3, the 4th diode D4 conducting, this second capacitor C 2, the 3rd inductance L 3 are equated with the cross-pressure of the 3rd capacitor C 3, and make this second capacitor C 2 and the 3rd inductance L 3 release energy to the 3rd capacitor C 3, make the 3rd capacitor C 3 power supplies give this load 200.In addition, this first inductance L 1 continues this first capacitor C 1 to release energy.
D. refer to Fig. 6, when this first inductance L 1 is released can be complete time this first capacitor C 1, this first diode D1 cut-off, and this second capacitor C 2 and the 3rd inductance L 3 continue to the 3rd capacitor C 3 release can, make the 3rd capacitor C 3 give this load 200 by continued powers.
Steps A of every execution just completes the start in a cycle to step D.Therefore,, in the situation that this DC-AC conversion device continues start, after step D, just repeated execution of steps A is to step D, until this DC-AC conversion device stops start.
Thus, refer to Fig. 7, in the present embodiment, while being output as 12V, its high frequency ripple is about 0.9V.In other words, by the design of said structure and method, except can reach known circuits hoisting work because of effect, utilize the 3rd inductance L 3 simultaneously as the circuit structure design of energy storage and filtering, the output voltage ripple that more can suppress to input energy increase time, (when this electronic switch SW conducting) causes at every turn.In addition, by the switching of this active electronic switch SW, and the 3rd inductance L 3 and this second capacitor C 2 design of resonating, just can convert the voltage energy storage of the second capacitor C 2 to inductive current, and can be by the polarity inversion of these the second capacitor C 2 cross-pressures, and then change the 4th integrated circuit structure before and after diode D2 conducting, to suppress the output voltage ripple that (when this electronic switch SW disconnection) caused when stopping inputting energy.
Moreover the design of the 5th diode D5 also can prevent that near the circuit this load 200 from producing circuit and refluxing effectively, and then integrated circuit is stablized more, with promote this DC-AC conversion device hoisting work because of with the effect of inhibition ripple.Certainly, on reality is implemented, even if do not use the 5th diode D5 still can reach the object that suppresses ripple.Again, the foregoing is only the better possible embodiments of the present invention, such as apply the do variation of equivalent structure and method of specification of the present invention and claim, ought to be included within the scope of claim of the present invention.
Claims (10)
1. a DC-AC conversion device, in order to the alternating current of a power supply is converted to after direct current, a load is given in power supply; This DC-AC conversion device includes:
One rectification circuit, is electrically connected with this power supply, in order to convert alternating current to direct current, and has to export a galvanic cathode output end and a cathode output end; And
One active power factor correction circuit, a side is electrically connected this rectification circuit, and opposite side is electrically connected this load, gives the voltage ripple of load, and include in order to suppress output:
One first diode, its negative pole connects the cathode output end of this rectification circuit;
One second diode, its anodal cathode output end that connects this rectification circuit;
One the 3rd diode, its anodal positive pole that connects this first diode;
One first inductance, its one end connects the negative pole of this first diode and the cathode output end of this rectification circuit;
One second inductance, its one end connects the negative pole of this second diode, and the other end connects the positive pole of this first diode and the 3rd diode;
One first electric capacity, one end connects this first inductance, and the other end connects the positive pole of this second inductance and this first diode and the 3rd diode;
One electronic switch, one end connects this first inductance and this first electric capacity, and the other end connects the cathode output end of this rectification circuit and the positive pole of this second diode;
One the 4th diode, its anodal negative pole and this second inductance that connects this second diode, and negative pole connects the negative pole of the 3rd diode;
One the 3rd inductance, its one end is electrically connected to the negative pole of the 3rd diode and the negative pole of the 4th diode;
One second electric capacity, its one end is connected to the negative pole of the 3rd diode and the negative pole of the 4th diode, and the other end connects the 3rd inductance;
One the 3rd electric capacity, this load that is connected in parallel, and its one end connects the 3rd inductance and this second electric capacity, and the other end connects the positive pole of negative pole, this second inductance and the 4th diode of this second diode.
2. DC-AC conversion device according to claim 1, wherein, the 3rd inductance of this active power factor correction circuit is to be electrically connected to the negative pole of the 3rd diode and the negative pole of the 4th diode by one the 5th diode; The positive pole of the 5th diode connects the negative pole of the 3rd diode and the negative pole of the 4th diode, and negative pole connects the 3rd inductance.
3. DC-AC conversion device according to claim 1, wherein, this first electric capacity is polarity free capacitor.
4. DC-AC conversion device according to claim 1, wherein, this second electric capacity is polarity free capacitor.
5. DC-AC conversion device according to claim 1, wherein, the 3rd electric capacity is non-electrolytic capacitor.
6. a bearing calibration for active power factor correction circuit as claimed in claim 1, in order to receive the direct current of this rectification circuit output, and suppresses output and gives the voltage ripple of load, and include the following step:
A) this electronic switch of conducting, makes the direct current of this rectification circuit output to this first inductor charging, and this first electric capacity is to this second induction charging, and the 3rd inductance, this second electric capacity and the 3rd electric capacity are released energy to this load;
B) disconnect this electronic switch, this first diode of conducting, make this first inductance release energy to this first electric capacity, and the energy storage of this second inductance continues to transfer to the 3rd electric capacity;
C) conducting the 4th diode, makes this second electric capacity and the 3rd inductance release energy to the 3rd electric capacity, makes the 3rd capacitances to supply power give this load;
D) when this first inductance is released can be complete time this first electric capacity, this first diode cut-off, and this second electric capacity continues the 3rd electric capacity to release energy with the 3rd inductance, makes the 3rd capacitances to supply power give this load.
7. bearing calibration according to claim 6, wherein, after step D, includes the step of repeated execution of steps A to step D.
8. bearing calibration according to claim 6, wherein, in step B, this second inductance is the resonant circuit forming by this second electric capacity and the 3rd inductance, and its energy storage is conducted to the 3rd electric capacity.
9. bearing calibration according to claim 6, wherein, in step C, in the time that the cross-pressure of the 3rd inductance is greater than the cross-pressure of the 3rd electric capacity, the 4th diode current flow.
10. bearing calibration according to claim 6, wherein, in step C, this first inductance continues this first electric capacity to release energy.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210518122.0A CN103856081B (en) | 2012-12-06 | 2012-12-06 | DC-AC conversion device and power factor correction function method thereof |
JP2015545632A JP6089115B2 (en) | 2012-12-06 | 2013-11-19 | AC / DC converter and power factor calibration method thereof |
PCT/CN2013/001413 WO2014086096A1 (en) | 2012-12-06 | 2013-11-19 | Alternating-direct current conversion device and power factor correction method therefor |
GB1509592.0A GB2522820B (en) | 2012-12-06 | 2013-11-19 | AC/DC converter and method of correcting power factor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210518122.0A CN103856081B (en) | 2012-12-06 | 2012-12-06 | DC-AC conversion device and power factor correction function method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103856081A true CN103856081A (en) | 2014-06-11 |
CN103856081B CN103856081B (en) | 2016-08-10 |
Family
ID=50863373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210518122.0A Expired - Fee Related CN103856081B (en) | 2012-12-06 | 2012-12-06 | DC-AC conversion device and power factor correction function method thereof |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6089115B2 (en) |
CN (1) | CN103856081B (en) |
GB (1) | GB2522820B (en) |
WO (1) | WO2014086096A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015070515A1 (en) * | 2013-11-18 | 2015-05-21 | 东林科技股份有限公司 | Power conversion device and conversion method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1349297A (en) * | 2000-10-17 | 2002-05-15 | 欧姆龙株式会社 | Buffer circuit, and power conversion device using same |
US20040079953A1 (en) * | 2002-08-17 | 2004-04-29 | Alexander Mednik | AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics |
CN1801588A (en) * | 2004-12-31 | 2006-07-12 | 海尔集团公司 | Variable-frequency air-condition power supply power factor correcting device |
CN101814843A (en) * | 2009-02-20 | 2010-08-25 | 国琏电子(上海)有限公司 | Power supply system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63103660A (en) * | 1986-10-20 | 1988-05-09 | Fuji Elelctrochem Co Ltd | Output circuit of switching power source |
JPH08149812A (en) * | 1994-11-14 | 1996-06-07 | Daikin Ind Ltd | Rectification device |
ES2117945B1 (en) * | 1996-06-20 | 1999-04-01 | Alcatel Standard Electrica | ALTERNATE / CONTINUOUS ENERGY CONVERTER DEVICE. |
JP2004023825A (en) * | 2002-06-13 | 2004-01-22 | Tdk Corp | Power conversion circuit |
JP3861220B2 (en) * | 2004-06-24 | 2006-12-20 | ミネベア株式会社 | DC-DC converter |
CN101106327A (en) * | 2007-06-01 | 2008-01-16 | 艾默龙电子科技(嘉兴)有限公司 | Multi-functional integrated DC converter |
TW201101658A (en) * | 2009-06-19 | 2011-01-01 | Univ Nat Taipei Technology | Boost converting device, boot converter, and the control module thereof |
CN104638947A (en) * | 2013-11-14 | 2015-05-20 | 东林科技股份有限公司 | Isolation type alternating current and direct current conversion device and conversion method thereof |
-
2012
- 2012-12-06 CN CN201210518122.0A patent/CN103856081B/en not_active Expired - Fee Related
-
2013
- 2013-11-19 JP JP2015545632A patent/JP6089115B2/en not_active Expired - Fee Related
- 2013-11-19 GB GB1509592.0A patent/GB2522820B/en not_active Expired - Fee Related
- 2013-11-19 WO PCT/CN2013/001413 patent/WO2014086096A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1349297A (en) * | 2000-10-17 | 2002-05-15 | 欧姆龙株式会社 | Buffer circuit, and power conversion device using same |
US20040079953A1 (en) * | 2002-08-17 | 2004-04-29 | Alexander Mednik | AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics |
CN1801588A (en) * | 2004-12-31 | 2006-07-12 | 海尔集团公司 | Variable-frequency air-condition power supply power factor correcting device |
CN101814843A (en) * | 2009-02-20 | 2010-08-25 | 国琏电子(上海)有限公司 | Power supply system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015070515A1 (en) * | 2013-11-18 | 2015-05-21 | 东林科技股份有限公司 | Power conversion device and conversion method thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2015536638A (en) | 2015-12-21 |
JP6089115B2 (en) | 2017-03-01 |
CN103856081B (en) | 2016-08-10 |
GB2522820A (en) | 2015-08-05 |
WO2014086096A1 (en) | 2014-06-12 |
GB201509592D0 (en) | 2015-07-15 |
GB2522820B (en) | 2020-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202424546U (en) | Extra high voltage DC high voltage generator having high stability | |
TWI462451B (en) | AC / DC conversion device and its function correction method | |
CN103312142A (en) | AC power supply device | |
CN109194165B (en) | AC-DC power converter | |
CN103856081A (en) | Alternating current/direct current conversion device and power factor correction method thereof | |
WO2015070514A1 (en) | Isolated ac-dc conversion device and conversion method thereof | |
US8854844B2 (en) | AC/DC converter with passive power factor correction circuit and method of correcting power factor | |
CN105978322A (en) | Switch capacitor type high-gain quasi Z source DC-DC converter | |
WO2015078093A1 (en) | Ac-ac power source conversion device and conversion method thereof | |
CN112689363B (en) | Power converter | |
CN104167944A (en) | High-power medium-frequency power supply device | |
CN103856054A (en) | Isolated power conversion device and power conversion method thereof | |
CN210327378U (en) | Current conversion circuit and charging device | |
JP6026008B2 (en) | Passive power factor calibration AC / DC converter and operation method of power factor calibration circuit | |
US20160285383A1 (en) | Power conversion device and conversion method thereof | |
CN203617910U (en) | AC-AC power converting device | |
CN203734528U (en) | Power supply conversion device | |
CN104092367A (en) | Input-ripple-wave-free power-factor correction circuit with series connection coupling inductors | |
CN203608101U (en) | Flyback ac-dc conversion device | |
CN205051582U (en) | DCDC converter and electrical apparatus | |
CN103840654B (en) | The three-phase single-level full bridge power factor corrector of transformer primary sideband auxiliary link | |
CN202309509U (en) | Charge type power factor correction circuit | |
CN212518413U (en) | Three-phase background harmonic isolator | |
CN103582202A (en) | Led power supply circuit | |
RU2473109C1 (en) | Power coefficient corrector |
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20181206 |