CN104377963B - Soft-switching DC-DC converter - Google Patents
Soft-switching DC-DC converter Download PDFInfo
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- CN104377963B CN104377963B CN201410654243.7A CN201410654243A CN104377963B CN 104377963 B CN104377963 B CN 104377963B CN 201410654243 A CN201410654243 A CN 201410654243A CN 104377963 B CN104377963 B CN 104377963B
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- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a soft-switching DC-DC converter. The soft-switching DC-DC converter comprises an input power supply (Uin), a load (load), a first filter assembly (101), a first switching tube assembly (102), a parallel resonance tank (103), a diode assembly (104), a second switching tube assembly (105) and a second filter assembly (106). A switch assembly (S1) in the first filter assembly (101) adopts an anti-block mode and an anti-parallel mode, all switches in the switch assembly (S1) can realize zero-voltage turn-on and zero-voltage turn-off, so that the efficiency of the converter is effectively improved. The voltage borne by the two ends of a switching tube in the switch assembly (S1) and the peak value of backward voltage of a diode in the switch assembly (S1) are effectively reduced through additionally arranged diode assembly (104), and the requirement of the converter for the switching tube is lowered. In this way, the cost of the converter is effectively reduced, and the efficiency, safety and reliability of a system are improved.
Description
Technical field
The present invention relates to a kind of dc-dc changer, especially a kind of Sofe Switch dc-dc changer.
Background technology
As shown in figure 12, its power switch tube device is all operated in hard switching to the topological diagram of existing dc-dc changer
State, and open the acute variation along with voltage x current for the off state, which results in existing dc-dc changer and exist out
Close and high and noise serious the problems such as is lost.In order to reduce loss and the noise problem of power switch pipe, document 1 patent of invention "
Kind soft switching buck dc-dc changer " (notification number cn 101662209 b) proposes a kind of soft switching buck dc-dc and becomes
Parallel operation, but its main switch only enables zero current, zero voltage turn-off it is impossible to realize no-voltage, zero current passing, and this leads to become
The effect of parallel operation reduce loss is restricted.Document 2 application for a patent for invention " zero current soft switch inverter " (publication No.: cn
103414340 main switches a) enable zero current passing, but do not enable no-voltage conducting, and this results in its junction capacity
Loss can not reduce, and this also leads to be restricted low loss effect.Document 3 U.S. patent Nos application " dc capacitor-
Propose a kind of in less power converters " (small capacitances DC power converter, publication No. us 2012307531a1)
Sofe Switch dc-dc changer, but contain at least 8 switching devices in its topology, this dramatically increases changer cost.Document 4
" a new generation of buck-boost resonant ac-link dc-dc converters ", applied
power electronics conference and exposition(apec),2013twenty-eighth annual
Ieee (buck resonance of new generation exchanges chain transformaiton device, ieee power application electronics annual meeting) proposes a kind of new exchange chain dc-
As shown in figure 13, it can realize the no-voltage conducting of switching tube to dc changer and zero-point voltage turns off it is only necessary to two switching tubes,
But diode d in changer work process2Bear higher backward voltage, switching tube s1Pass have no progeny two ends be also subjected to very high
Voltage.Which increase the selection difficulty of switching tube and diode, lead to system cost to raise, the safety of system, reliability
Reduce.
Therefore, at present in changer, also there is switching tube and do not enable completely no-voltage conducting and no-voltage
Shutoff problem；The rated voltage that switching tube and diode bear is too high, which increases changer selecting switch pipe and diode
Difficulty, leads to system cost to increase, and have impact on the safety of system, reliability.
Content of the invention
The invention aims to realizing no-voltage conducting and the zero voltage turn-off of converter switches pipe, and opened by reduction
Close the backward voltage that the born voltage in pipe two ends and diode bear, provide a kind of low-loss, high efficiency, the soft of high reliability to open
Close dc-dc buck-boost converter.
For solving the technical problem of the present invention, the technical scheme being adopted is: Sofe Switch dc-dc changer includes input electricity
Source, load, particularly,
Described changer also include the first filtering unit, first switch tube assembly, shunt-resonant circuit, diode assembly,
Second switch tube assembly and the second filtering unit；
Described first filtering unit is composed in series by the first filter inductance and the first filter capacitor；
Described shunt-resonant circuit is composed in parallel by resonant inductance and resonant capacitance；
Described second filtering unit is composed in series by the second filter inductance and the second filter capacitor；
Described diode assembly includes four diodes, wherein, the negative electrode of the anode of the first diode and the 3rd diode
It is connected, the negative electrode of the first diode is connected with the negative electrode of the second diode, the moon of the anode of the second diode and the 4th diode
Extremely connected, the anode of the 3rd diode is connected with the anode of the 4th diode；
Described first switch tube assembly at least includes a switch module, and described switch module includes a first switch pipe
With a diode, diode is connected for inverse parallel mode with first switch pipe, and described second switch tube assembly at least includes one
Switch member；
The positive pole of described input power is connected with the first filter inductance, the other end of the first filter inductance and the first filtered electrical
Hold series connection, the other end of the first filter capacitor is connected with the negative pole of input power；
First filter inductance, the junction point of the first filter capacitor are connected with the drain electrode of described first switch assembly, and first opens
The source electrode closing assembly is connected with the upper junction point of shunt-resonant circuit, and the lower junction point of shunt-resonant circuit is negative with input power
Extremely connected；
The upper junction point of shunt-resonant circuit is connected with the anode of the first diode, the lower junction point of shunt-resonant circuit with
The anode of the second diode is connected, and the negative electrode of the second diode is connected with the drain electrode of described second switch assembly, second switch group
The source electrode of part connects the second filter inductance and the junction point of the second filter capacitor, the other end of the second filter inductance and load circuit
Upper junction point be connected, the other end of the second filter capacitor is connected with the anode of the 4th diode, the lower junction point of load circuit and
The anode of the 4th diode is connected.
Preferably, switch member at least includes a second switch pipe.
With respect to the beneficial effect of prior art it is:
1, invention fully achieves the no-voltage conducting of switching tube and zero voltage turn-off, efficiently reduces switch and damages
Consumption, and then improve the efficiency of system.
2nd, significantly decrease the ceiling voltage that switching tube and diode are born, reduce the choosing of switching tube and diode
Select difficulty, and then reduce the cost of system, also improve the safety and reliability that changer is in operation simultaneously.
Brief description
Fig. 1 is that the embodiment of the present invention 1 adopts anti-blocking-up type switching tube s1Topological structure schematic diagram.
Fig. 2 is that the embodiment of the present invention 2 adopts inverse parallel type switching tube s1Topological structure schematic diagram.
Fig. 3 is breaker in middle pipe s of the present invention1Two kinds selection.
Fig. 4 is the commutation circuit of present example 1 work process.
Fig. 5 is present example 1 inductive current capacitance voltage and switching tube s1、s2Switching waveform.
Fig. 6 is present example 1 switching tube s1、s2Voltage current waveform.
Fig. 7 is present example 1 switching tube s1Back-pressure waveform and the ratio of existing topology that both end voltage and diode bear
Relatively.
Fig. 8 is the commutation circuit of present example 2 work process.
Fig. 9 is present example 2 inductive current capacitance voltage and switching tube s1、s2Switching waveform.
Figure 10 is present example 2 switching tube s1、s2Voltage current waveform.
Figure 11 is present example 2 switching tube s1Back-pressure waveform and the ratio of existing topology that both end voltage and diode bear
Relatively.
Figure 12 is traditional dc-dc converter topology structural representation.
Figure 13 is that document 4 proposes a kind of " new exchange chain dc-dc converter topology structure " schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings the optimal way of the present invention is described in further detail.
Referring to Fig. 1 and Fig. 2, Sofe Switch dc-dc changer includes input power uin, load load, the first filtering unit
101st, first switch tube assembly 102, shunt-resonant circuit 103, diode assembly 104, second switch tube assembly 105 and the second filter
Ripple assembly 106.Wherein,
First filtering unit 101 is by the first filter inductance l1With the first filter capacitor c1It is composed in series.Shunt-resonant circuit
103 by resonant inductance l2With resonant capacitance c2Compose in parallel.Second filtering unit 106 is by the second filter inductance l3With the second filtering
Electric capacity c3It is composed in series.
Diode assembly 104 includes four diodes, wherein, the first diode d1Anode and the 3rd diode d3The moon
Extremely connected, the first diode d1Negative electrode and the second diode d2Negative electrode be connected, the second diode d2Anode and the four or two pole
Pipe d4Negative electrode be connected, the 3rd diode d3Anode and the 4th diode d4Anode be connected.
Input power uinPositive pole and the first filter inductance l1Connect, the first filter inductance l1The other end and first filtering
Electric capacity c1Series connection, the first filter capacitor c1The other end and input power uinNegative pole connect.
First filter inductance l1, the first filter capacitor c1Junction point be connected with the drain electrode of described first switch assembly 102,
The source electrode of first switch assembly 102 is connected with the upper junction point of shunt-resonant circuit 103, the lower connection of shunt-resonant circuit 103
Point and input power uinNegative pole be connected.
The upper junction point of shunt-resonant circuit 103 and the first diode d1Anode be connected, under shunt-resonant circuit 103
Junction point and the second diode d2Anode be connected, the second diode d2Negative electrode and described second switch assembly 105 drain electrode even
Connect, the source electrode of second switch assembly 105 meets the second filter inductance l3With the second filter capacitor c3Junction point, the second filter inductance
l3The other end with load load loop upper junction point be connected, the second filter capacitor c3The other end and the 4th diode d4's
Anode is connected, and loads lower junction point and the 4th diode d in load loop4Anode be connected.
First switch tube assembly 102 at least includes a switch module, and described switch module includes a first switch pipe
s1With a diode, diode and first switch pipe s1Connected using inverse parallel mode.Concrete structure part Fig. 3.Second switch group
Part 105 at least includes a switch member, and it at least includes a second switch pipe s2.
Embodiment 1:
The topological diagram of embodiment 1 is as described in Figure 1.In the present embodiment, switch module is anti-blocking-up type switching tube, by one the
One switching tube s1Form with Diode series, concrete structure is shown in Fig. 3 301.
Work process is broadly divided into four-stage, and commutation course is as shown in Figure 4.
For clearer explanation changer work process, now set input voltage as uin, output voltage is uo, capacitance voltage
It is positive voltage that upside voltage is more than during the voltage of downside, and inductive current is to dirty for positive direction.
Working stage one: this process first switch pipe s1, second switch pipe s2All off states, in last work rank
After section terminates, resonant inductance l2With resonant capacitance c2Start to occur resonance such as Fig. 4 (a) shown, when resonant tank 103 resonance is to humorous
Shake electric capacity c2It is u that forward voltage is more than input voltagein, and now resonant inductance l2When the sense of current is downward.Turn on first this moment
Switching tube s1, due to first switch pipe s1Bear back-pressure, now first switch pipe s1Reversely turn off, first switch pipe conducting region
As s in Fig. 51Switching waveform gray area.Hereafter resonant capacitance c2Tension discharge, as resonant capacitance c2Voltage drops to equal to defeated
Entering voltage is uinWhen switch module s1Naturally turn on, and first switch pipe s1Realize no-voltage conducting, now input power uin
To resonant inductance l2Charge, thence into next working stage.This process is it should be noted that first switch pipe s1Turn-on condition: humorous
Shake electric capacity c2Voltage is more than or equal to input power uin；Resonant inductance l2When electric current is downward.
Working stage two: this process first switch pipe s1Conducting, second switch pipe s2Turn off, input power uinTo resonance electricity
Sense l2Charge as shown in Fig. 4 (b), as resonant inductance l2Electric current rises to required value iuWhen, turn off first switch pipe s1.Now
First switch pipe s1For zero voltage turn-off, thence into next working stage.
Working stage three: this process first switch pipe s1, second switch pipe s2All off states, resonant inductance l2With
Resonant capacitance c2Occur shown in resonance such as Fig. 4 (c).As resonant capacitance c2Voltage is less than zero and its absolute value is less than output voltage uo
Resonant inductance l simultaneously2When electric current is negative, turn on second switch pipe s2, second switch pipe s2S in conducting region such as Fig. 52Switch ripple
Shape gray area.Due to resonant capacitance c2Backward voltage is less than output voltage uo, so second switch pipe s2Bear back-pressure be in disconnected
Open state.As resonant capacitance c2Backward voltage resonance is to output voltage uo, now second switch pipe s2No-voltage turns on.This is laggard
Enter to the 4th working stage.
Working stage four: this second switch pipe s2Conducting, first switch pipe s1Turn off, second switch pipe s2The change of current after conducting
Shown in process such as Fig. 4 (d), now resonant inductance l2To load load electric discharge.As resonant inductance l2Discharge into our required values
idWhen, second switch pipe s2Turn off, now, second switch pipe s2Zero voltage turn-off can be realized, due to resonant inductance l2On one
Portion of energy is discharged in load load, so resonant capacitance c2Peak-inverse voltage will be much smaller than the voltage in document 4.Hereafter
Enter into initial shift.
Fig. 5 illustrates resonant inductance l during each working stage of embodiment 12Electric current, resonant capacitance c2The change of voltage
Waveform and first switch pipe s1, second switch pipe s2Switching waveform.
Fig. 6 is example 1 first switch pipe s1, second switch pipe s2Voltage current waveform, first open for the ease of observing
Close pipe s110 times of Current amplifier is it can be seen that first switch pipe s1, second switch pipe s2Zero voltage turn-off and zero electricity all can be realized
Pressure conducting.
In order to more clearly represent example 1, first switch pipe s can be obviously reduced1, second switch pipe s2And diode institute
The advantage bearing voltage, Fig. 7 illustrates two kinds of changers and (includes identical input voltage, output electricity under comparable operating conditions
Pressure, output, inductance, electric capacity, load), the analogous diagram contrast of the born voltage in two ends.It can be seen that under equal conditions originally
Inventive embodiments 1 first switch pipe s1Voltage is born less than 480v in two ends, and document 4 (" buck resonance exchange chain change of new generation
Parallel operation " in topological structure breaker in middle pipe s1Bear voltage and exceed 920v；The embodiment of the present invention 1 diode d2That bears is reverse
Diode d in topological structure in voltage peak document 4 less than 340v2Bear back-pressure and exceeded 1050v, can significantly see
Go out the advantage of the present invention.
Embodiment 2:
The topological diagram of embodiment 2 is as described in Figure 2.In the present embodiment, switch module is inverse parallel type switching tube, by one the
One switching tube s1With a diode, diode and first switch pipe s1Connected using inverse parallel mode, concrete structure is shown in Fig. 3
302.
Sofe Switch dc-dc changer in the present embodiment, its work process is broadly divided into five stages, and commutation course is as schemed
Shown in 8.
For clearer explanation changer work process, we set input voltage as uin, output voltage is uo, electric capacity electricity
It is positive voltage that pressure upside voltage is more than during the voltage of downside, and inductive current is to dirty for positive direction.
Working stage one: this process first switch pipe s1, second switch pipe s2All off states, in last work rank
After section terminates, resonant inductance l2To input power uinCharge as shown in Fig. 8 (a), turn on first switch pipe s this moment1Can realize
No-voltage turns on, as resonant inductance l2When electric current is reversely reduced to zero, diode reverse is ended, input power uinStart as resonance
Inductance l2Positive charge.Changer enters second work process.
Working stage two: this process first switch pipe s1Conducting, second switch pipe s2Turn off, input power uinTo resonance electricity
Sense l2Charge as shown in Fig. 8 (b), as resonant inductance l2Electric current rises to value i required for usuWhen, turn off first switch pipe s1.
Now first switch pipe s1For zero voltage turn-off, thence into next working stage.
Working stage three: this process first switch pipe s1, second switch pipe s2All off states, resonant inductance l2With
Resonant capacitance c2Occur shown in resonance such as Fig. 8 (c).As resonant capacitance c2Voltage is less than zero and its absolute value is less than output voltage
uo, resonant inductance l simultaneously2When electric current is negative, turn on second switch pipe s2, second switch pipe s2S in conducting region such as Fig. 82Switch
Waveform gray area.Due to resonant capacitance c2Backward voltage is less than output voltage uo, so second switch pipe s2Bear back-pressure to be in
Off-state.As resonant capacitance c2Backward voltage resonance is to output voltage uo, now second switch pipe s2No-voltage turns on.Hereafter
Enter into the 4th working stage.
Working stage four: this process second switch pipe s2Conducting, first switch pipe s1Turn off, second switch pipe s2After conducting
Shown in commutation course such as Fig. 8 (d), now resonant inductance l2To load discharge.As resonant inductance l2Discharge into our required values
idWhen, second switch pipe s2Turn off, now, second switch pipe s2Zero voltage turn-off can be realized, due to resonant inductance l2On one
Portion of energy is discharged in load load, so resonant capacitance c2Peak-inverse voltage will be much smaller than the voltage in document 4.Hereafter
Enter into the 5th working stage.
Working stage five: this process first switch pipe s1, second switch pipe s2All off states, resonant inductance l2With
Resonant capacitance c2Occur shown in resonance such as Fig. 8 (e).As resonant capacitance c2It is u that forward voltage is charged to input voltageinWhen, first
Switching tube s1Anti-paralleled diode naturally turn on, changer enters into initial shift.
Fig. 9 illustrates resonant inductance l during each working stage of embodiment 22Electric current, resonant capacitance c2The change of voltage
Waveform and first switch pipe s1, second switch pipe s2Switching waveform.
Figure 10 is example 2 first switch pipe s1, second switch pipe s2Voltage current waveform, first open for the ease of observing
Close pipe s110 times of Current amplifier it can be seen that first switch pipe s1, second switch pipe s2Zero voltage turn-off and zero all can be realized
Voltage turn-on.
The advantage that switching tube born voltage can be obviously reduced to more clearly represent the present invention, Figure 11 illustrates two
Plant changer (include identical input voltage, output voltage, output, inductance, electric capacity, bear under comparable operating conditions
Carry), the analogous diagram contrast of the born voltage in two ends.It can be seen that the under equal conditions embodiment of the present invention 2 first switch pipe s1
Voltage is born less than 480v in two ends, and document 4 (the topological structure breaker in middle in " buck resonance of new generation exchanges chain transformaiton device "
Pipe s1Bear voltage and exceed 920v；The embodiment of the present invention 2 diode d2The peak value of back voltage bearing is less than 230v, and document 4
In topological structure in diode d2Bear back-pressure and exceeded 1050v, can significantly find out the advantage of the present invention.
Obviously, those skilled in the art can carry out various change and change to the Sofe Switch dc-dc changer of the present invention
Type is without departing from the spirit and scope of the present invention.So, if these modifications and modification to the present invention belong to right of the present invention
Within the scope of requirement and its equivalent technologies, then the present invention is also intended to comprise these changes and modification.
Claims (2)
1. a kind of Sofe Switch dc-dc changer, including input power (uin), load (load) it is characterised in that:
Described changer also include the first filtering unit (101), first switch tube assembly (102), shunt-resonant circuit (103),
Diode assembly (104), second switch tube assembly (105) and the second filtering unit (106)；
Described first filtering unit (101) is by the first filter inductance (l1) and the first filter capacitor (c1) be composed in series；
Described shunt-resonant circuit (103) is by resonant inductance (l2) and resonant capacitance (c2) compose in parallel；
Described second filtering unit (106) is by the second filter inductance (l3) and the second filter capacitor (c3) be composed in series；
Described diode assembly (104) includes four diodes, wherein, the first diode (d1) anode and the 3rd diode
(d3) negative electrode be connected, the first diode (d1) negative electrode and the second diode (d2) negative electrode be connected, the second diode (d2)
Anode and the 4th diode (d4) negative electrode be connected, the 3rd diode (d3) anode and the 4th diode (d4) anode be connected；
Described first switch tube assembly (102) at least includes a switch module, and described switch module includes a first switch
Pipe (s1) and a diode, diode and first switch pipe (s1) connect for inverse parallel mode, described second switch tube assembly
(105) at least include a switch member；
Described input power (uin) positive pole and the first filter inductance (l1) connect, the first filter inductance (l1) the other end and
One filter capacitor (c1) series connection, the first filter capacitor (c1) the other end and input power (uin) negative pole connect；
First filter inductance (l1), the first filter capacitor (c1) junction point and described first switch assembly (102) drain electrode even
Connect, the source electrode of first switch assembly (102) is connected with the upper junction point of shunt-resonant circuit (103), shunt-resonant circuit (103)
Lower junction point and input power (uin) negative pole be connected；
The upper junction point of shunt-resonant circuit (103) and the first diode (d1) anode be connected, shunt-resonant circuit (103)
Lower junction point and the second diode (d2) anode be connected, the second diode (d2) negative electrode and described second switch assembly (105)
Drain electrode connect, the source electrode of second switch assembly (105) meets the second filter inductance (l3) and the second filter capacitor (c3) connection
Point, the second filter inductance (l3) the other end with load (load) loop upper junction point be connected, the second filter capacitor (c3) another
One end and the 4th diode (d4) anode be connected, the load lower junction point in (load) loop and the 4th diode (d4) anode
It is connected.
2. Sofe Switch dc-dc changer according to claim 1, is characterized in that switch member at least includes a second switch
Pipe (s2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654243.7A CN104377963B (en) | 2014-11-14 | 2014-11-14 | Soft-switching DC-DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654243.7A CN104377963B (en) | 2014-11-14 | 2014-11-14 | Soft-switching DC-DC converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377963A CN104377963A (en) | 2015-02-25 |
| CN104377963B true CN104377963B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410654243.7A Active CN104377963B (en) | 2014-11-14 | 2014-11-14 | Soft-switching DC-DC converter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108566092B (en) * | 2018-01-25 | 2020-07-07 | 深圳市盛弘电气股份有限公司 | Soft switch bidirectional DC/DC conversion circuit and converter |
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| CN101523710A (en) * | 2006-06-06 | 2009-09-02 | 威廉·亚历山大 | Universal power converter |
| CN102064702A (en) * | 2010-12-31 | 2011-05-18 | 刘闯 | Bidirectionally isolating type series resonance DC/DC converter |
| CN102364860A (en) * | 2011-10-26 | 2012-02-29 | 东北大学 | Secondary side phase-shifting controlled full-bridge converter |
| CN202424533U (en) * | 2011-10-10 | 2012-09-05 | 深圳麦格米特电气股份有限公司 | Wide-region high-voltage output converter |
| CN103956903A (en) * | 2014-04-25 | 2014-07-30 | 东南大学 | LC parallel resonance voltage reduction DC/DC converter and control method thereof |
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2014
- 2014-11-14 CN CN201410654243.7A patent/CN104377963B/en active Active
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|---|---|---|---|---|
| CN101523710A (en) * | 2006-06-06 | 2009-09-02 | 威廉·亚历山大 | Universal power converter |
| CN102064702A (en) * | 2010-12-31 | 2011-05-18 | 刘闯 | Bidirectionally isolating type series resonance DC/DC converter |
| CN202424533U (en) * | 2011-10-10 | 2012-09-05 | 深圳麦格米特电气股份有限公司 | Wide-region high-voltage output converter |
| CN102364860A (en) * | 2011-10-26 | 2012-02-29 | 东北大学 | Secondary side phase-shifting controlled full-bridge converter |
| CN103956903A (en) * | 2014-04-25 | 2014-07-30 | 东南大学 | LC parallel resonance voltage reduction DC/DC converter and control method thereof |
Non-Patent Citations (1)
| Title |
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| A new generation of buck-boost resonant AC-link DC-DC converters;Hamidreza Keyhani等;《Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE》;20130321;第1383–1390页 * |
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| CN104377963A (en) | 2015-02-25 |
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Application publication date: 20150225 Assignee: Hefei Xingyuan Electric Technology Co.,Ltd. Assignor: Hefei University of Technology Contract record no.: X2021340000004 Denomination of invention: Soft switching DC-DC converter Granted publication date: 20170201 License type: Common License Record date: 20210125 |