CN106787757A - A kind of CLTCL resonance DCs converter - Google Patents
A kind of CLTCL resonance DCs converter Download PDFInfo
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- CN106787757A CN106787757A CN201611247047.3A CN201611247047A CN106787757A CN 106787757 A CN106787757 A CN 106787757A CN 201611247047 A CN201611247047 A CN 201611247047A CN 106787757 A CN106787757 A CN 106787757A
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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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback 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
Abstract
The invention discloses a kind of CLTCL resonance DCs converter, it is made up of with diode rectifier circuit the half-bridge inversion circuit that is sequentially connected, CLTCL resonance circuits, converter is input into by half-bridge inversion circuit, is exported from diode rectifier circuit after being acted on through the CLTCL resonance circuits；The half-bridge inversion circuit is made up of first switch pipe and second switch pipe；The CLTCL resonance circuits are made up of the first electric capacity, the second electric capacity, the first inductance, the second inductance, the first transformer and the second transformer；The diode rectifier circuit includes the first diode, the second diode, the 3rd diode, the 4th diode and the 3rd electric capacity；The converter is a kind of new DC converter topology, the no-voltage for being capable of achieving switching tube opens (Zero voltage switching, ZVS), quasi- zero-current switching (Quasi Zero current switching, Q ZCS), and the zero-current switching (ZCS) of rear class rectification circuit diode, the efficiency and capacity of converter are improve, with the adjustable feature of input and output voltage wide scope.
Description
Technical field
The invention belongs to a kind of resonant type soft-switch type DC converter, especially a kind of efficient, wideband, wide-voltage range
CLTCL resonance DC converters.
Background technology
Energy crisis, the ring brought to traditional fossil energy with the Devoting Major Efforts To Developing of distributed energy that flourish of new energy
Border is polluted and other problemses have a significant mitigation, and will be had in future time and more importantly be acted on.Not
In the family distributed energy resource system for coming, various new energy such as small-size wind power-generating, photovoltaic generation, fuel cell will be integrated into together
In one energy resource system, and it is connected with the combined-voltage bus of family system, neatly realizes the transmission and application of the energy.Its
In, used as the important ring in dc bus, DC-DC converter is played an important role, different with control bus voltage, interconnection
Various functions such as grade dc bus, connection dc bus and DC load.
Currently, traditional Boost circuit, Buck circuits are used the DC-DC converter in the distributed energy resource system of family more
And the improvement circuit based on two kinds of tandem circuits etc., although these circuits have technology maturation, control simple, reliability high
The advantages of, but there is also efficiency simultaneously, the problems such as power density is relatively low, therefore correlation technique needs further to improve.
In order to solve the above problems, related scholar proposes the Sofe Switch resonance circuit based on resonant element, effectively carries
The conversion efficiency of converter high.Most basic Sofe Switch resonance circuit can be divided into series LC resonant circuit and parallel LC resonance
Circuit two types.Be coupled in series for resonant inductance, capacity cell by the former, and soft opening is opened with high efficiency, no-voltage
Many advantages, such as pass, circuit input side isolated DC voltage, input current follow load to change, but the circuit when there is underloading compared with
The problems such as hardly possible regulation output voltage；Parallel LC circuit is then that resonant inductance, capacity cell are connected with parallel form, with height
Efficiency, no-voltage open Sofe Switch, it is unloaded when output voltage it is adjustable the advantages of, but efficiency is relatively low etc. when there is underloading simultaneously asks
Topic.Further, some documents propose LLC resonance circuits, and the circuit has all advantages of series and parallel type lc circuit simultaneously,
The shortcoming for avoiding two kinds of traditional circuits simultaneously has good operation characteristic, but the circuit is still present some problems：Open
Close pipe be only capable of realizing that no-voltage opens Sofe Switch, it is impossible to while realize switching tube Sofe Switch shut-off so that transducer effciency without
Method is further improved；Input, output voltage range are partially narrow, are of limited application；Only single power inverter, it is considered to magnetic unit
Part saturation problem, converter transimission power is limited etc..The various New Resonance Sofe Switch that recent domestic experts and scholars propose
DC converter there is also similar problem, still need to further research.
The content of the invention
The invention aims to overcome deficiency of the prior art, in order to improve DC converter conversion efficiency,
ZVS the and Q-ZCS Sofe Switch of device for power switching is realized, input/output voltage scope is widened, is widened power bracket, there is provided one
Efficient, high-power, wide-voltage range the isolated form CLTCL DC converters based on resonance are planted, the converter is a kind of new
DC converter topology, the no-voltage for being capable of achieving switching tube opens (Zero voltage switching, ZVS), accurate
Zero-current switching (Quasi-Zero current switching, Q-ZCS), and rear class rectification circuit diode zero current
Shut-off (ZCS), improves the efficiency and capacity of converter, with the adjustable feature of input and output voltage wide scope.
The purpose of the present invention is achieved through the following technical solutions：
A kind of CLTCL resonance DCs converter, by the half-bridge inversion circuit, the CLTCL resonance circuits that are sequentially connected with two
Pole pipe rectification circuit is constituted, and converter is input into by half-bridge inversion circuit, whole from diode after being acted on through the CLTCL resonance circuits
Current circuit is exported；The half-bridge inversion circuit is made up of first switch pipe and second switch pipe；The CLTCL resonance circuits are by
One electric capacity, the second electric capacity, the first inductance, the second inductance, the first transformer and the second transformer composition；The diode rectification electricity
Road includes the first diode, the second diode, the 3rd diode, the 4th diode and the 3rd electric capacity；In CLTCL resonance circuits,
Described first electric capacity one end is connected with the midpoint of the half-bridge inversion circuit, and the other end becomes with first inductance and first successively
The primary side connection of depressor；Primary side one end of first transformer and the first inductance connection, the other end are electric with described second respectively
Hold and second inductance connection；Secondary one end of first transformer connects with a midpoint of the diode rectifier circuit respectively
Connect, the other end is connected with secondary one end of the second transformer；Second electric capacity one end respectively with the primary side of the first transformer and second
Inductance connection, other end source electrode respectively with the second switch pipe, the primary side of the second transformer are connected；Second inductance one end point
Not with the primary side and the second capacitance connection of the first transformer, the other end is connected with the primary side of the second transformer；Second transformer
Primary side one end and the second inductance connection, source electrode of the other end respectively with the second electric capacity and second switch pipe are connected；First transformer
Secondary with the second transformer is coupled in series, and changes the resonant network and resonant frequency of circuit, and has widened circuit
Input voltage range and output voltage range.
The input voltage range is 350V~600V；Output voltage range is 0V~52V.
Compared with prior art, the beneficial effect that technical scheme is brought is：
1. converter of the present invention can realize the no-voltage of switching tube open, quasi- zero-current switching Sofe Switch, and diode
Zero-current switching Sofe Switch, improve the operating efficiency of converter；
2. converter of the present invention can have voltage regulation limits wider in low frequency operation section, it is possible to achieve output voltage
It is adjustable from zero to rated value；
3. converter of the present invention has a gentle voltage gain in high band, the change that voltage gain changes with frequency compared with
Slowly, it is especially suitable for the application scenario of constant voltage output.
4. converter of the present invention has two transformers, it is possible to achieve widen power range of application；
5. converter of the present invention can improve working frequency by rational parameter designing, and the power that improve converter is close
Degree.
Brief description of the drawings
Fig. 1 is the topological structure schematic diagram of converter of the present invention；
Fig. 2 is the voltage gain curve of converter of the present invention；
Fig. 3-1 to Fig. 3-6 is respectively the equivalent circuit diagram of the converter course of work of the present invention；
Fig. 4 is the key operation waveforms figure of converter of the present invention；
Fig. 5 is the simulation waveform of converter of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
A kind of CLTCL resonance DCs converter, by the half-bridge inversion circuit, the CLTCL (" capacitance-inductances-change that are sequentially connected
Depressor-capacitance-inductance " type) resonance circuit and diode rectifier circuit composition, converter is input into by the half-bridge inversion circuit,
Exported from the diode rectifier circuit after being acted on through CLTCL resonance circuits；In the present embodiment, half-bridge inversion circuit is opened by first
Close pipe S1With second switch pipe S2Composition, CLTCL resonance circuits are by the first electric capacity C1, the second electric capacity C2, the first inductance L1, second electricity
Sense L2, the first transformer T1With the second transformer T2Composition, diode rectifier circuit is by the first diode D1, the second diode D2、
3rd diode D3, the 4th diode D4With the 3rd electric capacity CoComposition, RoIt is load resistance.
As shown in figure 1, in CLTCL resonance circuits, the first electric capacity C1One end is connected with the midpoint of half-bridge inversion circuit, another
End and the first inductance L1Connection；First inductance L1With the first electric capacity C1Connection, the other end and the first transformer T1Primary side connection；
First transformer T1Primary side one end and the first inductance L1Connection, the primary side other end and the second electric capacity C2, the second inductance L2Connection,
Secondary one end is connected with a midpoint of diode rectifier bridge, the other end and the second transformer T2Secondary one end connection；Second
Electric capacity C2One end and the first transformer T1Primary side, the second inductance L2Connection, the other end and second switch pipe S2Source electrode, second become
Depressor T2Primary side is connected；Second inductance L2One end and the first transformer T1Primary side, the second electric capacity C2Connection, the other end and second becomes
Depressor T2Primary side is connected；Second transformer T2Primary side one end and the second inductance L2Connection, the other end and the second electric capacity C2, second open
Close pipe S2Source electrode connection.The secondary of two transformers is coupled in series, and changes the resonant network of circuit, while changing
The resonant frequency of circuit, makes circuit have input and output voltage scope wider.Wherein VinThe direct current input electricity of indication circuit
Pressure, Lm1、Lm2The first transformer T is represented respectively1, the second transformer T2Equivalent magnetizing inductance.
CLTCL resonant type soft-switches DC converter has two resonant frequencies, and the magnitude relationship according to frequency can be divided into
First resonant frequency fr1With the second resonant frequency fr2, wherein fr1Less than fr2.The voltage gain of the present embodiment CLTCL converters
Curve is as shown in Fig. 2 after through circuit parameter design, circuit is in the first resonance point fr1Nearby obtain voltage gain MvMaximum
Value, and with the controlling switch frequency f of circuitsIncrease drop quickly to zero, therefore with output voltage from zero to specified electricity
The adjustable extent of pressure；Continuation further with switching frequency rises, and converter is in the second resonance point fr2Nearby reach voltage
The maximum of gain, voltage gain slowly declines as the continuation of frequency increases, and now the converter can be applied in needs
The scene of constant voltage output.Can realize that ZVS is opened in full power range after AB in fig. 2 sections and C sections of CLTCL converters
Logical Sofe Switch, while the diode in rectification circuit can realize that ZCS turns off Sofe Switch；CLTCL converters can be humorous at two
Shake point fr1、fr2It is implemented around Q-ZCS Sofe Switch.
The work equivalent circuit and main waveform such as Fig. 3-1 to Fig. 3-6 and Fig. 4 of CLTCL resonant type soft-switch DC converters
It is shown, t0To t6It is converter in half oscillogram of work period, the operating mode with other half period is full symmetric, no longer goes to live in the household of one's in-laws on getting married
State；Wherein t0、t1、t2、t3、t4、t5、t6The moment between each mode is represented respectively, and PWM1, PWM2 are respectively first switch pipe S1、
Second switch pipe S2PWM drive signal.
[the t of mode 10, t1]：This mode equivalent circuit is as shown in figure 3-1.This mode is the dead track of control signal.In t0When
Carve, second switch pipe S2Shut-off, first switch pipe S1It is held off.Flow through the first electric capacity C1Electric current be designated as i1, now i1Pass through
First switch pipe S1Parasitic diode and stray inductance reverse circulated, first switch pipe S1Both end voltage remain zero.First
Transformer T1Exciting current iLm1Reverse circulated.Second transformer T2Exciting current iLm2Forward direction circulation.Second electric capacity C2Electricity
Stream iC2Reverse circulated.Flow through the second inductance L2Electric current iL2Forward direction circulation.Transformer T1、T2Secondary current is equal, is designated as iS, just
To circulation.Diode D1、D4Conducting, circuit is to load RoPower supply.In t1Moment, first switch pipe S1Conducting, now due to S1Two
Terminal voltage remains zero, and no-voltage is opened Sofe Switch and is achieved；While i1、iLm2It is zero.
[the t of mode 21, t2]：This mode equivalent circuit is as shown in figure 3-2.In this mode, i1Start from scratch rising, iLm2From zero
Begin to decline, remaining variables keep former direction constant, continue to participate in circuit resonance.To t2Moment, the second electric capacity C2Electric current iC2On
Zero is risen to, this mode terminates.
[the t of mode 32, t3]：This mode equivalent circuit is as shown in Fig. 3-3.In this mode, iC2Start from scratch rising, remaining change
Amount keeps former direction constant, continues to participate in circuit resonance.To t3Moment, the first transformer T1Exciting current iLm1Rise to zero,
This mode terminates.
[the t of mode 43, t4]：This mode equivalent circuit is as shown in Figure 3-4.In this mode, iLm1Start from scratch rising, remaining change
Amount keeps former direction constant, continues to participate in circuit resonance.To t4Moment, the second inductance L2Electric current i2Zero is dropped to, this mode knot
Beam.
[the t of mode 54, t5]：This mode equivalent circuit is as in Figure 3-5.In this mode, i2Start from scratch decline, remaining change
Amount keeps former direction constant, continues to participate in circuit resonance.To t5Moment, transformer T1、T2Secondary current iSDrop to zero, two poles
Pipe D1、D4Naturally turn off, realize that ZCS turns off Sofe Switch, this mode terminates.
[the t of mode 65, t6]：This mode equivalent circuit is as seen in figures 3-6.In this mode, diode D2、D3Conducting, iSTo negative
To flowing, remaining variables keep former direction constant, continue to participate in circuit resonance.To t6Moment, first switch pipe S1Shut-off, now
Flow through the sense of current and size and i of switching tube1It is identical, i1It is in close proximity to 0, therefore first switch pipe S1Accurate zero can be realized
Switch off current Sofe Switch.So far, end-of-job of the CLTCL converter circuits in half period, into another half period
Work.
Fig. 5 is the simulation waveform of the CLTCL converters, it can be seen that first switch pipe S1Zero can be realized
Voltage opens Sofe Switch and quasi- zero-current switching Sofe Switch, and diode current drops to zero naturally, and diode realizes that zero current is closed
Disconnected Sofe Switch.Therefore, the CLTCL resonant type soft-switches converter has conversion efficiency higher.
The present invention is not limited to embodiments described above.Description to specific embodiment above is intended to describe and says
Bright technical scheme, above-mentioned specific embodiment is only schematical, is not restricted.This is not being departed from
In the case of invention objective and scope of the claimed protection, one of ordinary skill in the art may be used also under enlightenment of the invention
The specific conversion of many forms is made, these are belonged within protection scope of the present invention.
Claims (2)
1. a kind of CLTCL resonance DCs converter, it is characterised in that by the half-bridge inversion circuit, the CLTCL resonance electricity that are sequentially connected
Road constitutes with diode rectifier circuit, converter by half-bridge inversion circuit be input into, through the CLTCL resonance circuits act on after from
Diode rectifier circuit is exported；The half-bridge inversion circuit is by first switch pipe (S1) and second switch pipe (S2) composition；It is described
CLTCL resonance circuits are by the first electric capacity (C1), the second electric capacity (C2), the first inductance (L1), the second inductance (L2), the first transformer
(T1) and the second transformer (T2) composition；The diode rectifier circuit includes the first diode (D1), the second diode (D2)、
3rd diode (D3), the 4th diode (D4) and the 3rd electric capacity (Co)；In CLTCL resonance circuits, the first electric capacity (C1) one
End be connected with the midpoint of the half-bridge inversion circuit, the other end successively with the first inductance (L1) and the first transformer (T1)
Primary side is connected；First transformer (the T1) primary side one end and the first inductance (L1) connect, the other end is electric with described second respectively
Hold (C2) and the second inductance (L2) connection；First transformer (T1) secondary one end respectively with the diode rectifier circuit
The connection of a midpoint, the other end and the second transformer (T2) secondary one end connection；Second electric capacity (C2) one end is respectively with first
Transformer (T1) primary side and the second inductance (L2) connection, the other end respectively with the second switch pipe (S2) source electrode, second become
Depressor (T2) primary side connection；Second inductance (L2) one end respectively with the first transformer (T1) primary side and the second electric capacity (C2) even
Connect, the other end and the second transformer (T2) primary side connection；Second transformer (T2) primary side one end and the second inductance (L2) even
Connect, the other end respectively with the second electric capacity (C2) and second switch pipe (S2) source electrode connection；First transformer (T1) and the second transformation
Device (T2) secondary be coupled in series, change the resonant network and resonant frequency of circuit, and widened the input of circuit
Voltage range and output voltage range.
2. a kind of CLTCL resonance DCs converter according to claim 1, it is characterised in that the input voltage range is
350V~600V；Output voltage range is 0V~52V.
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| CN201611247047.3A CN106787757B (en) | 2016-12-29 | 2016-12-29 | A kind of CLTCL resonance DC converter |
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| CN201611247047.3A CN106787757B (en) | 2016-12-29 | 2016-12-29 | A kind of CLTCL resonance DC converter |
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| CN106787757B CN106787757B (en) | 2019-07-09 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070242A (en) * | 2017-06-12 | 2017-08-18 | 天津职业技术师范大学 | A kind of dual transformer parallel-connection structure resonant type soft-switch DC converter |
| CN107196518A (en) * | 2017-07-04 | 2017-09-22 | 天津大学 | A kind of topological transformation type multi-resonant element resonance Sofe Switch DC converter |
| CN107863888A (en) * | 2017-07-20 | 2018-03-30 | 西安华羿微电子股份有限公司 | Half-bridge LC resonant transform circuits based on PWM controls |
| CN111181407A (en) * | 2020-01-19 | 2020-05-19 | 天津大学 | C-LLCT-LLT type resonance direct current converter |
| CN111404379A (en) * | 2019-01-02 | 2020-07-10 | 卡任特照明解决方案有限公司 | Resonant converter and DC/DC power converter |
| CN112600414A (en) * | 2020-12-01 | 2021-04-02 | 上海交通大学 | Resonant network, transformer and isolated DC converter and parameter design method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5694304A (en) * | 1995-02-03 | 1997-12-02 | Ericsson Raynet Corporation | High efficiency resonant switching converters |
| CN102299638A (en) * | 2011-07-29 | 2011-12-28 | 北京工业大学 | Large-power steady transmitting device with continuously adjustable voltage width range |
| CN104038070A (en) * | 2014-04-15 | 2014-09-10 | 浙江大学 | Transformer primary side series connection LLC and output parallel connection BUCK two-stage converter |
-
2016
- 2016-12-29 CN CN201611247047.3A patent/CN106787757B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5694304A (en) * | 1995-02-03 | 1997-12-02 | Ericsson Raynet Corporation | High efficiency resonant switching converters |
| CN102299638A (en) * | 2011-07-29 | 2011-12-28 | 北京工业大学 | Large-power steady transmitting device with continuously adjustable voltage width range |
| CN104038070A (en) * | 2014-04-15 | 2014-09-10 | 浙江大学 | Transformer primary side series connection LLC and output parallel connection BUCK two-stage converter |
Non-Patent Citations (1)
| Title |
|---|
| N PASULA等: "Comparative Analysis of 2nd and 4th Order Resonant Based Capacitor Charging Power Supplies", 《2014 IEEE INTERNATIONAL POWER MODULATOR AND HIGH VOLTAGE CONFERENCE(IPMHVC)》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070242A (en) * | 2017-06-12 | 2017-08-18 | 天津职业技术师范大学 | A kind of dual transformer parallel-connection structure resonant type soft-switch DC converter |
| CN107196518A (en) * | 2017-07-04 | 2017-09-22 | 天津大学 | A kind of topological transformation type multi-resonant element resonance Sofe Switch DC converter |
| CN107863888A (en) * | 2017-07-20 | 2018-03-30 | 西安华羿微电子股份有限公司 | Half-bridge LC resonant transform circuits based on PWM controls |
| CN107863888B (en) * | 2017-07-20 | 2024-01-16 | 华羿微电子股份有限公司 | Half-bridge LC resonance conversion circuit based on PWM control |
| CN111404379A (en) * | 2019-01-02 | 2020-07-10 | 卡任特照明解决方案有限公司 | Resonant converter and DC/DC power converter |
| CN111181407A (en) * | 2020-01-19 | 2020-05-19 | 天津大学 | C-LLCT-LLT type resonance direct current converter |
| CN112600414A (en) * | 2020-12-01 | 2021-04-02 | 上海交通大学 | Resonant network, transformer and isolated DC converter and parameter design method thereof |
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| Publication number | Publication date |
|---|---|
| CN106787757B (en) | 2019-07-09 |
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