CN103856081B - DC-AC conversion device and power factor correction function method thereof - Google Patents
DC-AC conversion device and power factor correction function method thereof Download PDFInfo
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- CN103856081B CN103856081B CN201210518122.0A CN201210518122A CN103856081B CN 103856081 B CN103856081 B CN 103856081B CN 201210518122 A CN201210518122 A CN 201210518122A CN 103856081 B CN103856081 B CN 103856081B
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- 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
-
- 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
-
- 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
A kind of DC-AC conversion device, includes a rectification circuit and an active power factor correction circuit.Wherein, this rectification circuit is electrically connected with this power supply, in order to convert alternating current to unidirectional current, and has to export a galvanic cathode output end and a cathode output end；This active power factor correction circuit side is electrically connected with this rectification circuit, and opposite side is electrically connected with this load, gives the voltage ripple of load in order to suppress to export.
Description
Technical field
The present invention is relevant with power supply change-over device, refer in more detail a kind of DC-AC conversion device and
Power factor correction function method.
Background technology
Pressing, traditional DC-AC conversion device is as it is shown in figure 1, include a rectification circuit 300 and
Output capacitance C, an alternating current power supply is converted into a DC source by this rectification circuit 300, this output electricity
Hold C and be connected across the outfan of this rectification circuit, and this output capacitance C is for a load 400 in parallel.Should
DC-AC conversion device is when start, and the input voltage of this alternating current power supply and input current are in phase place not
Same situation, causes power factor low and current total harmonic distortion is serious.Additionally, only at this direct current
When the voltage of power supply is higher than the voltage of output capacitance C, just output capacitance C can be charged, therefore
Cause the output capacitance C charging interval to shorten, also cause the diode current flow time in rectification circuit 300
With shortening, and conducting electric current peak value increase therewith, cause input current waveform distortion and power
The factor reduces.Power factor reduces in addition to the waste energy, also increases the supply of electric power system of Utilities Electric Co.
Fill unnecessary burden.Dimension, for improving disadvantages mentioned above, the alternating current-direct current with power factor correction circuit turns
Changing device just in response to and give birth to.
And the power factor correction circuit being conventionally used to DC-AC conversion device can be divided into active and passive type two
Kind.Active power factor correction circuit is to use an active switch assembly to control input current, and its advantage exists
Can reach more than 0.99 in power factor, current harmonics distortion total amount less than 10%, input voltage range
Extensively, output voltage stabilization and and not by output influence of change.But, active power factor correction function
Circuit need to use extra active switch assembly, and it easily has the shortcoming that electromagnetic noise is the lowest with ruggedness,
Therefore how to improve disadvantages mentioned above to be always the direction of dealer hardship department improvement.Additionally, in order to make this bear
The ripple of the output voltage in load reduces, and aforesaid output capacitance must use the electrochemical capacitor of high capacitance,
Electrochemical capacitor easily has the situation that electrolyte leaks outside because being heated for a long time, causes the service life of circuit
Shorten.
Summary of the invention
It is an object of the invention to provide a kind of DC-AC conversion device and power factor correction function method thereof, can have
Effect improves power factor, and also can effectively suppress to export the voltage ripple giving load.
For achieving the above object, the DC-AC conversion device that the present invention provides, in order to the friendship by a power supply
After stream electricity is converted into unidirectional 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 unidirectional current, and tool
Export a galvanic cathode output end and a cathode output end；And
One active power factor correction circuit, side is electrically connected with this rectification circuit, and opposite side is electrically connected with
This load, gives the voltage ripple of load in order to suppress to export, and includes:
One first diode, its negative pole connects the cathode output end of this rectification circuit；
One second diode, its positive pole connects the cathode output end of this rectification circuit；
One the 3rd diode, its positive pole connects the positive pole of this first diode；
One first inductance, its one end is just connecting the negative pole of this first diode and this rectification circuit
Pole outfan；
One second inductance, its one end connects the negative pole of this second diode, and the other end connect this first
Diode and the positive pole of the 3rd diode；
One first electric capacity, one end connects this first inductance, the other end then connect this second inductance and
This first diode and the positive pole of the 3rd diode；
One electrical switch, one end connects this first inductance and this first electric capacity, and the other end connects this rectification
The cathode output end of circuit and the positive pole of this second diode；
One the 4th diode, its positive pole connects negative pole and this second inductance of this second diode, and bears
Pole connects the negative pole of the 3rd diode；
One the 3rd inductance, its one end is electrically connected to negative pole and the four or two pole of the 3rd diode
The negative pole of pipe；
One second electric capacity, its one end is connected to the negative pole of the 3rd diode and the 4th diode
Negative pole, and the other end connects the 3rd inductance；
One the 3rd electric capacity, is connected in parallel this load, and its one end connects the 3rd inductance and this second electricity
Hold, and the other end connects the negative pole of this second diode, this second inductance and the 4th diode
Positive pole.
Described DC-AC conversion device, wherein, the 3rd inductance of this active power factor correction circuit
It is negative pole and the 4th diode being electrically connected to the 3rd diode by one the 5th diode
Negative pole；The positive pole of the 5th diode connects negative pole and the 4th diode of the 3rd diode
Negative pole, 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 the described above active power factor correction circuit that the present invention provides, in order to receive this
The unidirectional current of rectification circuit output, and suppress to export the voltage ripple giving load, and include following step
Rapid:
A) turning on this electrical switch, this first inducer is charged by the direct current making this rectification circuit export,
And this first electric capacity is to this second induction charging, and the 3rd inductance, this second electric capacity and the 3rd electricity
Hold and energy is released in this load；
B) disconnect this electrical switch, turn on this first diode, make this first inductance to this first electricity
Hold and release energy, and the energy storage continuous transmission of this second inductance is to the 3rd electric capacity；
C) turn on the 4th diode, make this second electric capacity with the 3rd inductance, the 3rd electric capacity be released
Can, make the 3rd capacitances to supply power give this load；
D) when this first inductance this first electric capacity released can complete time, this first diode ends, and
3rd electric capacity is persistently released energy by this second electric capacity and the 3rd inductance, makes the 3rd capacitances to supply power give this
Load.
Described bearing calibration, wherein, after step D, includes repeated execution of steps A to step
The step of rapid D.
Described bearing calibration, wherein, in step B, this second inductance is by this second electric capacity
The resonant circuit formed with the 3rd inductance, conducts its energy storage to the 3rd electric capacity.
Described bearing calibration, wherein, in step C, when the 3rd inductance cross-pressure more than this
During the cross-pressure of three electric capacity, the 4th diode current flow.
Described bearing calibration, wherein, in step C, this first inductance is persistently to this first electric capacity
Release energy.
The present invention, by foregoing circuit design and the bearing calibration of active power factor correction circuit, just can make
This DC-AC conversion device has raising power factor and effectively suppresses output to give the voltage of load
The effect of ripple.
Accompanying drawing explanation
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 present pre-ferred embodiments；
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 function electricity
Road, D1～D5 diode, L1～L3 inductance, C1～C3 electric capacity, SW electrical switch, 100 power supplys,
200 loads, 300 rectification circuits, 400 loads, C output capacitance.
Detailed description of the invention
After the DC-AC conversion device that the present invention provides is in order to be converted into unidirectional current by the alternating current of a power supply,
A load is given in power supply.This DC-AC conversion device include a rectification circuit and an active merit because of
Correcting circuit.Wherein, this rectification circuit is electrically connected with this power supply, straight in order to convert alternating current to
Stream electricity, and have to export a galvanic cathode output end and a cathode output end；This is actively
Formula power factor correction circuit side is electrically connected with this rectification circuit, and opposite side is electrically connected with this load, in order to
The voltage ripple of load is given in suppression output, and includes one first diode, and its negative pole connects this rectification
The cathode output end of circuit；One second diode, its positive pole connects the cathode output end of this rectification circuit；
One the 3rd diode, its positive pole connects the positive pole of this first diode；One first inductance, its one end is even
Connect 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 this first diode and the 3rd diode
Positive pole；One first electric capacity, one end connects this first inductance, the other end then connect this second inductance with
And this first diode and the positive pole of the 3rd diode；One electrical switch, one end connects this first inductance
With this first electric capacity, the other end with this second diode is just connecting the cathode output end of this rectification circuit
Pole；One the 4th diode, its positive pole connects negative pole and this second inductance of this second diode, and bears
Pole connects the negative pole of the 3rd diode；One the 3rd inductance, its one end is electrically connected to the three or two pole
The negative pole of pipe and the negative pole of the 4th diode；One second electric capacity, its one end is connected to the three or two
The negative pole of pole pipe 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, is connected in parallel this load, and its one end connects the 3rd inductance and this second electric capacity,
And the other end connects the negative pole of this second diode, the positive pole of this second inductance and the 4th diode
Positive pole.
According to above-mentioned design, present invention also offers the bearing calibration of this active power factor correction circuit,
In order to receive the unidirectional current of this rectification circuit output, and suppress to export the voltage ripple giving load, and bag
Containing the following step:
A. turning on this electrical switch, this first inducer is charged by the direct current making this rectification circuit export,
And this first electric capacity is to this second induction charging, and the 3rd inductance, this second electric capacity are electric with the 3rd
Hold and energy is released in this load；
B. disconnect this electrical switch, turn on this first diode, make this first inductance to this first electricity
Hold and release energy, and the energy storage continuous transmission of this second inductance is to the 3rd electric capacity；
C. turn on the 4th diode, make this first inductance that this first electric capacity persistently to be released energy, and should
3rd electric capacity is released energy by the second electric capacity and the 3rd inductance, makes the 3rd capacitances to supply power give this load；
D. when this first inductance this first electric capacity released can complete time, this first diode ends, and
3rd electric capacity is persistently released energy by this second electric capacity and the 3rd inductance, makes the 3rd capacitances to supply power give this
Load.
For the present invention can be illustrated more clearly that, after lifting preferred embodiment and coordinating accompanying drawing to describe in detail such as.
Referring to Fig. 2, the DC-AC conversion device of present pre-ferred embodiments is in order to by a power supply 100
Alternating current be converted into unidirectional current after, power supply give a load 200.This DC-AC conversion device includes
One 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 unidirectional current,
And have to export galvanic cathode output end 12 and a cathode output end 14.
This active power factor correction circuit 20 side is electrically connected with this rectification circuit 10, and opposite side is electrical
Connect this load 200, in order to improve merit because of and suppress to export and give the voltage ripple of this load 200.Should
Active power factor correction circuit 20 includes five diodes (the first diode D1 to the 5th diode
D5), three inductance (the first inductance L1 to the 3rd inductance L3), three electric capacity (the first electric capacity C1
To the 3rd electric capacity C3) and an electrical switch SW.The annexation of such assembly is as described below:
The negative pole of this first diode D1 connects the cathode output end 12 of this rectification circuit 10.Two or two
The positive pole of pole pipe D2 connects the cathode output end 14 of this rectification circuit 10.3rd diode D3's
Positive pole connects the positive pole of this first diode D1.This first inductance L1 one end connects this first diode
The cathode output end 12 of the negative pole of D1 and this rectification circuit 10.One end of this second inductance L2
Connect the negative pole of this second diode D2, and the other end connects this first diode D1 and the three or two
The positive pole of pole pipe D3.This first electric capacity C1 is a polarity free capacitor, and its one end connects this first electricity
Sense L1, the other end then connects this second inductance L2 and this first diode D1 and the three or two
The positive pole of pole pipe D3.This electrical switch SW one end connects this first inductance L1 and this first electric capacity
C1, the other end with this second diode D2 is just connecting the cathode output end 14 of this rectification circuit 10
Pole.The positive pole of the 4th diode D4 connects negative pole and this second inductance of this second diode D2
L2, and negative pole connects the negative pole of the 3rd diode D3.The positive pole of the 5th diode D5 connects
Negative pole and the negative pole of the 4th diode D4 to the 3rd diode D3.3rd inductance L3's
One end is electrically connected to the negative pole of the 4th diode D4.This second electric capacity C2 is a polarity free capacitor,
Its one end is connected to the 3rd diode D3 and the negative pole of the 4th diode D4, and the other end
Connect the 3rd inductance L3.3rd electric capacity C3 is non-electrolytic capacitor, and is connected in parallel this load 200,
Its one end connects the 3rd inductance L3 and this second electric capacity C2, and the other end connects this second diode
The negative pole of D2, this second inductance L2 and the positive pole of the 4th diode D4.
In the present embodiment, such electric capacity C1～C3, such inductance L1～L3, input voltage, output
The resistance of voltage, electrical switch switching frequency and this load 200 is as shown in the table:
| First inductance L1 | 60μH |
| Second inductance L2 | 220μH |
| 3rd inductance L3 | 68μH |
| First electric capacity C1 | 100μF |
| Second electric capacity C2 | 22nF |
| 3rd electric capacity C3 | 1μF |
| Input voltage vin | 110V |
| Output voltage Vout | 12V |
| Switching frequency | 100KHz |
| Load resistance | 5Ω |
Thus, being designed by said structure and specification, it is whole that this active power factor correction circuit 20 receives this
Current circuit 10 output unidirectional current after, utilize correction merit because of start method, just can imitate ground hoisting work
Because also suppressing to export the voltage ripple giving load, it includes the following step:
A. refer to Fig. 3, turn on this electrical switch SW, make the direct current that this rectification circuit 10 exports
This first inducer L1 is charged, and this second inductance L2 is charged by this first electric capacity C1, and should
This load 200 is released energy by the 3rd inductance L3, this second electric capacity C2 and the 3rd electric capacity C3.
B. refer to Fig. 4, disconnect this electrical switch SW, to turn on this first diode D1, make
This first electric capacity C1 is released energy by this first inductance L1, and this second inductance L2 is by this second electric capacity
The resonant circuit that C2 is formed with the 3rd inductance L3, by its energy storage continuous transmission to the 3rd electric capacity
C3, makes the 3rd electric capacity C3 power and gives load 200, and the cross-pressure polarity of now this second electric capacity C2
Reversion.
C. Fig. 5 is referred to, when the cross-pressure of the 3rd inductance L3 is more than the cross-pressure of the 3rd electric capacity C3
Time, the 4th diode D4 conducting, make this second electric capacity C2, the 3rd inductance L3 and the 3rd electricity
The cross-pressure holding C3 is equal, and makes this second electric capacity C2 and the 3rd inductance L3 to the 3rd electric capacity
C3 releases energy, makes the 3rd electric capacity C3 power and gives this load 200.It addition, this first inductance L1 holds
Continue and this first electric capacity C1 is released energy.
D. refer to Fig. 6, when this first inductance L1 this first electric capacity C1 released can complete time, should
First diode D1 cut-off, and this second electric capacity C2 and the 3rd inductance L3 is persistently to the 3rd electricity
Hold C3 and release energy, make the 3rd electric capacity C3 can give this load 200 by continued power.
Often perform the start that step A just completes a cycle to step D one time.Therefore, straight in this friendship
In the case of stream 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.
Consequently, it is possible to refer to Fig. 7, in the present embodiment, when being output as 12V, its high frequency ripple
It is about 0.9V.In other words, by the design of said structure Yu method, except can reach known electricity
Road hoisting work because of effect outside, utilize the 3rd inductance L3 simultaneously as the circuit knot of energy storage with filtering
Structure designs, and causes when more can suppress to input energy increase (during this electrical switch SW conducting) every time
Output voltage ripple.It addition, by the switching of this active electrical switch SW, and the 3rd electricity
The design of sense L3 and this second electric capacity C2 resonance, just can change the voltage energy storage of the second electric capacity C2
Become inductive current, and by the polarity inversion of this second electric capacity C2 cross-pressure, and then the four or two can be changed
Integrated circuit structure before and after pole pipe D4 conducting, (this electronic cutting during with suppression because stopping inputting energy
Close SW when disconnecting) the output voltage ripple that caused.
Furthermore, the design of the 5th diode D5 also can be effectively prevented the electricity near this load 200
Road produces circuit backflow, and then makes integrated circuit more stable, to promote this AC-DC conversion dress
Put hoisting work because of the effect with suppression ripple.Certainly, on reality is implemented, even if not using the 5th
Diode D5 still can reach the purpose of suppression ripple.Also, it is the most feasible to the foregoing is only the present invention
Embodiment, application description of the invention and claim are done equivalent structure and method such as
Change, ought to be included in scope of the presently claimed invention.
Claims (10)
1. a DC-AC conversion device, after the alternating current of a power supply is converted into unidirectional 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 unidirectional current, and tool
Export a galvanic cathode output end and a cathode output end；And
One active power factor correction circuit, side is electrically connected with this rectification circuit, and opposite side is electrically connected with
This load, gives the voltage ripple of load in order to suppress to export, and includes:
One first diode, its negative pole connects the cathode output end of this rectification circuit；
One second diode, its positive pole connects the cathode output end of this rectification circuit；
One the 3rd diode, its positive pole connects the positive pole of this first diode；
One first inductance, its one end is just connecting the negative pole of this first diode and this rectification circuit
Pole outfan；
One second inductance, its one end connects the negative pole of this second diode, and the other end connect this first
Diode and the positive pole of the 3rd diode；
One first electric capacity, one end connects this first inductance, the other end then connect this second inductance and
This first diode and the positive pole of the 3rd diode；
One electrical switch, one end connects this first inductance and this first electric capacity, and the other end connects this rectification
The cathode output end of circuit and the positive pole of this second diode；
One the 4th diode, its positive pole connects negative pole and this second inductance of this second diode, and bears
Pole connects the negative pole of the 3rd diode；
One the 3rd inductance, its one end is electrically connected to negative pole and the four or two pole of the 3rd diode
The negative pole of pipe；
One second electric capacity, its one end is connected to the negative pole of the 3rd diode and the 4th diode
Negative pole, and the other end is directly connected to the 3rd inductance；
One the 3rd electric capacity, is connected in parallel this load, and its one end be directly connected to the 3rd inductance with this
Two electric capacity, and the other end connects the negative pole of this second diode, this second inductance and the four or two pole
The positive pole of pipe.
DC-AC conversion device the most according to claim 1, wherein, this active merit is because of school
3rd inductance of positive circuit is to be electrically connected to the negative of the 3rd diode by one the 5th diode
Pole and the negative pole of the 4th diode；The positive pole of the 5th diode connects the negative of the 3rd diode
Pole and the negative pole of the 4th diode, and negative pole connects the 3rd inductance.
DC-AC conversion device the most according to claim 1, wherein, this first electric capacity is nothing
Polar capacitor.
DC-AC conversion device the most according to claim 1, wherein, this second electric capacity is nothing
Polar capacitor.
DC-AC conversion device the most according to claim 1, wherein, the 3rd electric capacity is non-
Electrochemical capacitor.
6. the active power factor correction circuit of a DC-AC conversion device as claimed in claim 1
Bearing calibration, in order to receive the unidirectional current of this rectification circuit output, and suppresses to export the voltage giving load
Ripple, and include the following step:
A) turning on this electrical switch, this first inducer is charged by the direct current making this rectification circuit export,
And this first electric capacity is to this second induction charging, and the 3rd inductance, this second electric capacity and the 3rd electricity
Hold and energy is released in this load；
B) disconnect this electrical switch, turn on this first diode, make this first inductance to this first electricity
Hold and release energy, and the energy storage continuous transmission of this second inductance is to the 3rd electric capacity；
C) turn on the 4th diode, make this second electric capacity with the 3rd inductance, the 3rd electric capacity be released
Can, make the 3rd capacitances to supply power give this load；
D) when this first inductance this first electric capacity released can complete time, this first diode ends, and
3rd electric capacity is persistently released energy by this second electric capacity and the 3rd inductance, makes the 3rd capacitances to supply power give this
Load.
Bearing calibration the most according to claim 6, wherein, after step D, includes weight
Perform step A again to the step of step D.
Bearing calibration the most according to claim 6, wherein, in step B, this second electricity
Sense is the resonant circuit formed with the 3rd inductance by this second electric capacity, by its energy storage conduction to this
Three electric capacity.
Bearing calibration the most according to claim 6, wherein, in step C, when the 3rd
When the cross-pressure of inductance is more than the cross-pressure of the 3rd electric capacity, the 4th diode current flow.
Bearing calibration the most according to claim 6, wherein, in step C, this first electricity
This first electric capacity is persistently released energy by sense.
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 |
| PCT/CN2013/001413 WO2014086096A1 (en) | 2012-12-06 | 2013-11-19 | Alternating-direct current conversion device and power factor correction method therefor |
| JP2015545632A JP6089115B2 (en) | 2012-12-06 | 2013-11-19 | AC / DC converter and power factor calibration method thereof |
| 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 CN103856081A (en) | 2014-06-11 |
| CN103856081B true CN103856081B (en) | 2016-08-10 |
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| 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) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660069A (en) * | 2013-11-18 | 2015-05-27 | 东林科技股份有限公司 | Power conversion device and conversion method thereof |
Family Cites Families (12)
| 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. |
| EP1202440B1 (en) * | 2000-10-17 | 2006-12-20 | Omron Corporation | Snubber circuit and power converter using the same |
| JP2004023825A (en) * | 2002-06-13 | 2004-01-22 | Tdk Corp | Power conversion circuit |
| US6781351B2 (en) * | 2002-08-17 | 2004-08-24 | Supertex Inc. | AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics |
| JP3861220B2 (en) * | 2004-06-24 | 2006-12-20 | ミネベア株式会社 | DC-DC converter |
| CN100382416C (en) * | 2004-12-31 | 2008-04-16 | 海尔集团公司 | Variable-frequency air-condition power supply power factor correcting device |
| 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 |
| CN101814843A (en) * | 2009-02-20 | 2010-08-25 | 国琏电子（上海）有限公司 | Power supply system |
| 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 WO PCT/CN2013/001413 patent/WO2014086096A1/en active Application Filing
- 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
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014086096A1 (en) | 2014-06-12 |
| JP6089115B2 (en) | 2017-03-01 |
| CN103856081A (en) | 2014-06-11 |
| GB201509592D0 (en) | 2015-07-15 |
| JP2015536638A (en) | 2015-12-21 |
| GB2522820B (en) | 2020-05-13 |
| GB2522820A (en) | 2015-08-05 |
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