CN107482922A - A kind of two-way LLC resonant converter based on switching switch - Google Patents
A kind of two-way LLC resonant converter based on switching switch Download PDFInfo
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- CN107482922A CN107482922A CN201710699723.9A CN201710699723A CN107482922A CN 107482922 A CN107482922 A CN 107482922A CN 201710699723 A CN201710699723 A CN 201710699723A CN 107482922 A CN107482922 A CN 107482922A
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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
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention provides a kind of two-way LLC resonant converter based on switching switch.It includes three major parts, i.e.,：Unidirectional LLC resonant transformations part, switching switching network part, voltage stabilizing discharge portion.Unidirectional LLC resonant transformation partial actions are by controlling switch mosfet frequency, and direct current is converted into corresponding high-frequency alternating current；Switching switching network partial action is to carry out circuit charging/discharging function conversion；The effect of voltage stabilizing discharge portion is that circuit is discharged after circuit discharge and recharge terminates, and ensures that circuit is not charged.The two-way LLC circuits gone out herein using switch designs are switched, closed by switching K1 and K2, other are switched off, and DC/DC converters charge according to controller trigger signal to battery；By switching K3 and K4 closures, other are switched off, and carry out battery booster electric discharge.Closed by K5, other are switched off, and carry out electric capacity of voltage regulation electric discharge.The gate-controlled switch device that this mode uses is few, and additional device is few so that circuit structure is relatively simple, stably.
Description
Technical field
The present invention relates to a kind of V2G technical fields applied to electric automobile, more particularly to one kind using switching switch
Grid side is set to switch the circuit of simpler stabilization with load-side discharge and recharge.
Background technology
In electric automobile research field, V2G promotes further investigation of the researchers to V2G patterns as key technology,
To make good use of this huge resource.V2G is Vehicle-to-grid abbreviation i.e. electric automobile to power network.It describes this
One system of sample：
When hybrid electric vehicle or pure electric vehicle be not in operation, by being connected to the electro-motor of power network by energy
Power network is defeated by, in turn, when the battery of electric car needs to be full of, electric current can extract from power network and be given to battery.
Its basic conception refers to the process of that electric automobile can feed back energy idle when to power network.It is wherein two-way
Converter serves the effect of a base support.Compared with traditional pwm converter, LLC resonant converter has lot of advantages.
In control method, LLC resonant converter be in the case where maintained switch pipe dutycycle is constant, by controlling switch frequency come
Output voltage is adjusted, the situation of dutycycle substantial deviation during in the absence of wide input voltage range, so its power down is held time
Property comparison is good, and because the increase of input voltage, resonant groove path current peak are reducing so that switching tube on-state loss, close
Breakdown consumption is all reducing, so LLC resonant converter is especially suitable for applying in the wider occasion of input voltage.In output rectification two
On pole pipe voltage stress, it is smaller that LLC resonant converter bears voltage stress, so LLC resonant converter is in input voltage model
Efficiency when enclosing wider is higher.In addition due to the series resonance inductor Lr and parallel resonant inductor in LLC resonant converter
Lm, it can be realized with the leakage inductance and magnetizing inductance of transformer, substantially reduce the volume of converter, reduce parasitic parameter pair
The adverse effect of converter, the electromagnetic compatibility problem in high frequency are smaller.
A kind of new mentality of designing is proposed herein for two-way DC/DC converters.In current charging circuit DC/DC conversion sections
Widely used LLC resonance principles, using more circuit structure have half-bridge is unidirectional, full-bridge is unidirectional, tri-level single to etc. structure, base
This is all unidirectional power flowing.Two-way LLC circuit forms can be realized at present, mainly have the two-way LLC circuits of half-bridge, full-bridge double
To LLC circuits, the two-way LLC circuits of three level etc..The gate-controlled switch device that these circuits use is more, especially three level electricity
Road；Although switching device is less in semibridge system two-way circuit, additional device is more, influences stability, the controllability of circuit,
Add circuit design difficulty.
Present invention utilization switches on-off mode and designs two-way circuit so that LLC resonance circuit bidirectional energy transmittance process
It is simplified, can effectively reduces reduction installation cost, improves operating efficiency.
The content of the invention
It is an object of the invention to provide a kind of Bidirectional charging-discharging LLC resonant converter based on switching switch, in unidirectional LLC
On the basis of resonant mode DC/DC converters, switched by two groups of switchings, to realize the charge/discharge transformation of circuit.In order to prevent electric capacity
Or battery causes to impact capacitance current, while add two poles of auxiliary on every group of switch to electric capacity of voltage regulation reverse charging
Pipe.
To achieve the above object, the technical scheme is that：A kind of two-way LLC resonance based on switching switch is provided to become
Parallel operation, it includes three major parts, i.e.,：Unidirectional LLC resonant transformations part, switching switching network part, voltage stabilizing discharge portion.
Unidirectional LLC resonant transformation partial actions are by controlling switch mosfet frequency, and direct current is converted into corresponding high frequency and handed over
Stream electricity；Switching switching network partial action is to carry out circuit charging/discharging function conversion；The effect of voltage stabilizing discharge portion is filled in circuit
Electric discharge is discharged electric current after terminating, and ensures that circuit is not charged.Specifically, including input direct-current source DCS, the first power
MOS switch pipe M1, the second power MOS switch tube M2, resonant capacitance Cr, resonant inductance Lr, high-frequency isolation transformer T1 and its leakage
Feel Lm, the first power diode D1, the second power diode D2, electric capacity of voltage regulation C, voltage stabilizing inductance R, switch K1, with auxiliary two
Switch K2, the switch K3 with booster diode, switch K4, switch K5, the load power battery BAT of pole pipe；The transformer
It is made up of leakage inductance Lm, primary side winding Np, the output of secondary centre cap winding Ns1 and Ns2；The input direct-current source DCS forward directions are defeated
Go out the second power MOS switch tube M2 of end connection source class, switch K1, the switch K3 with booster diode, high_voltage isolation transformation
Device T1 leakage inductance Lm and its primary side winding Np；The switch K1 connecting valves K4, the first power MOS switch tube M1 drain；Institute
State the first power MOS switch tube M1 source class connection resonant capacitance Cr, switch K1 and K4, the second power MOS switch tube M2 leakage
Level；Drain connection resonant capacitance Cr, the first power MOS switch tube M1 of the second power MOS switch tube M2；The resonance electricity
Hold Cr connection resonant inductances Lr, the first power MOS switch tube M1 source class, the second power MOS switch tube M2 drain；It is described humorous
Shake inductance Lr connection resonant capacitances Cr, resonant inductance Lr, transformer primary side winding Np Same Name of Ends and its leakage inductance Lm；The transformation
Device secondary centre cap output winding Ns1 Same Name of Ends connects the first power diode D1 positive pole；In the transformer secondary
Heart tap output winding Ns1 different name end connection transformer secondary centre cap output winding Ns2 Same Name of Ends；The transformer
Negative electrode, voltage stabilizing inductance R, the negative electrode of load power battery of centre cap output winding Ns2 Same Name of Ends connection electric capacity of voltage regulation；Institute
The different name end for stating centre cap output winding Ns2 connects the second power diode D2 positive pole；The first power diode D1
Negative pole and the second power diode D2 negative pole connect the second power diode D2 negative pole, connection K2 switch auxiliary two
Positive pole, electric capacity of voltage regulation C, the switch K5 of pole pipe；The switch K1 connecting valves K3, input direct-current source anode, switch K4, the first work(
Rate MOS switch pipe drain；Anode, the switch K1 of the switch K3 connection input direct-currents source DCS；The switch K4 connecting valves
K1, the first power MOS switch tube M1 drain, switch K2, load power battery BAT；The switch K3 connects it and aids in two poles
Tube cathode, switch K1, the anode in input direct-current source；The switch K5 connection electric capacity of voltage regulation C, voltage stabilizing inductance R, the pole of the first power two
The positive pole of pipe D1 negative pole, switch K2 booster diode.
Further, the first power MOS switch tube M1 and the second power MOS switch tube M2 constitute semi-bridge inversion portion
Point, by controlling switch mosfet state to obtain high frequency electric.
Further, the resonant capacitance Cr, resonant inductance Lr and high-frequency isolation transformer T1 and its leakage inductance Lm are constituted
Resonant network part, when switching frequency changes in each frequency range, can realize MOS switch pipe ZVT and
Eliminate and be lost caused by diode reverse recovery.
Further, the first power diode D1, the second power diode D2, electric capacity of voltage regulation C and voltage stabilizing inductance R structures
Into rectifying and voltage-stabilizing part, it can realize and progress rectification is exported to transformer secondary, and circuit is put after charging terminates
Electricity.
Further, K1, switch K2 and its booster diode, switch K3 and its booster diode and switch K4 is switched to form
Switching switching network, by K1 and K2, K3 and K4 switching, to realize that charging and battery of the power supply to battery are put to power supply
Electric process, realize the two-way flow of power.The effect of two of which booster diode is to prevent power supply or battery to electric capacity of voltage regulation
Reverse charging, capacitance current is caused to impact, damage power supply, electric capacity and battery.
When K1 and K2 is closed, other are switched off the present invention, equivalent to unidirectional LLC resonant modes DC/DC converters, are passed through
Control the frequency of two MOS switch pipes, it is possible to achieve be battery charging function；When K3 and K4 is closed, other are switched off, electricity
Pond can discharge, and feed back energy for power supply.After charging terminates, K5 closures, other are switched off, and are discharged into electric capacity of voltage regulation
Journey.
The Bidirectional charging-discharging LLC resonant converter design based on switching switch of the present invention, there is provided can be easy
Switch the method for the charging and discharging process of batteries of electric automobile, required equipment is only four switches and two two poles of auxiliary
Pipe, compared to traditional two-way LLC circuits, this approach reduces the quantity of gate-controlled switch device and additional device, improves electricity
Road stability, while circuit is also simplify, reduce production cost and maintenance cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described.
Fig. 1 is the two-way LLC circuit diagrams based on switching switch of the embodiment of the present invention.
Fig. 2 is the two-way LLC circuits charging equivalent circuit based on switching switch of the embodiment of the present invention.
Fig. 3 is the two-way LLC circuit dischargings equivalent circuit based on switching switch of the embodiment of the present invention.
Fig. 4 is the two-way LLC circuits voltage stabilizing electric discharge equivalent circuit based on switching switch of the embodiment of the present invention.
Shown in components listed is listed as follows in accompanying drawing：
00:DC source DCS
11：Switching switch K1； 12：Switching switch K2；
13：Switching switch K3； 14：Switching switch 4；
15：Switching switch K3 booster diode Ds1； 16：Switching switch K2 booster diode Ds2；
21：First power MOS switch tube M1； 22：Second power MOS switch tube M2；
31：Resonant capacitance Cr； 32：Series resonance inductor Lr；
33：High-frequency isolation transformer leakage inductance Lm； 41：Transformer primary side winding Np；
42：Transformer secondary winding Ns1； 43：Transformer secondary winding Ns2；
51：First power diode D1； 52：Second power diode D2；
61：Electric capacity of voltage regulation C； 62：Voltage stabilizing inductance R；
63：Mu balanced circuit switchs K5； 71：Load power battery BAT；
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is explained.
Fig. 1 is a kind of based on the two-way LLC circuits for switching switch, including input direct-current source DCS (00), first of the present invention
Power MOS switch tube M1 (21), the second power MOS switch tube M2 (22), resonant capacitance Cr (31), resonant inductance Lr (32), height
It is frequency isolating transformer T1 (44) and its leakage inductance Lm (33), the first power diode D1 (51), the second power diode D2 (52), steady
Voltage capacitance C (61), voltage stabilizing inductance R (61), switch K1 (11), the switch K2 (12) with booster diode Ds2 (16), with auxiliary
Help diode Ds1 (15) switch K3 (13), switch K4 (14), switch K5 (63), load power battery BAT (71)；The change
Depressor exports winding Ns1 (42) by leakage inductance Lm (33), primary side winding Np (41), secondary centre cap and Ns2 (43) is formed；It is described
The positive output ends of input direct-current source DCS (00) connect the second power MOS switch tube M2 (21) source class, switch K1, with auxiliary
The switch K3 (13) of diode (15), high voltage isolating transformer T1 (44) leakage inductance Lm (33) and its primary side winding Np (41)；Institute
State switch K1 (11) connecting valve K4 (14), the first power MOS switch tube M1 (21) drain；The first power MOS switch
Pipe M1 (21) source class connection resonant capacitance Cr, switch K1 (11) and K4 (14), the second power MOS switch tube M2 (22) leakage
Level；Drain connection resonant capacitance Cr (31), the first power MOS switch tube M1 of the second power MOS switch tube M2 (22)
(21)；Resonant capacitance Cr (31) the connection resonant inductance Lr (32), the first power MOS switch tube M1 (21) source class, second
Power MOS switch tube M2 (22) drain；Resonant inductance Lr (32) the connection resonant capacitance Cr (31), transformer primary side winding
Np (41) Same Name of Ends and its leakage inductance Lm (33)；The Same Name of Ends of the transformer secondary centre cap output winding Ns1 (42) connects
Connect the first power diode D1 (51) positive pole；The different name end of the transformer secondary centre cap output winding Ns1 (42) connects
Connect transformer secondary centre cap output winding Ns2 (43) Same Name of Ends；The transformer center tap output winding Ns2 (43)
Same Name of Ends connection electric capacity of voltage regulation (61) negative electrode, voltage stabilizing inductance R (62), the negative electrode of load power battery (71)；The center
Tap output winding Ns2 (43) different name end connects the second power diode D2 (52) positive pole；First power diode
D1 (51) negative pole and the second power diode D2 (52) negative pole connect the second power diode D2 (52) negative pole, connection
Positive pole, electric capacity of voltage regulation C (61), the switch K5 (63) of the booster diode (16) of K2 switches；Switch K1 (11) connecting valve
K3 (13), input direct-current source anode, switch K4 (14), the first power MOS switch tube (21) drain；Switch K3 (13) connection
Input direct-current source DCS (00) anode, switch K1 (11)；Switch K4 (14) the connecting valve K1 (11), the first power MOS are opened
Close pipe M1 (21) drain, switch K2 (12), load power battery BAT (71)；The switch K3 (13) connects it and aids in two poles
Manage (15) negative electrode, switch K1 (11), the anode (00) in input direct-current source；It is the switch K5 (63) connection electric capacity of voltage regulation C (61), steady
Voltage inductance R (62), the first power diode D1 (51) negative pole, switch K2 booster diode (16) positive pole.
The high frequency transformer T1 primary side windings Np (41) and secondary centre cap output winding Ns1 (42) and Ns2
(43) top is Same Name of Ends, and bottom is different name end.
The transformer primary side winding lateral circuit is half-bridge structure, two the first power MOS switch tube M1 (21) and second
Power MOS switch tube M2 (22) constitutes semi-bridge inversion part.
The transformer primary side winding side forms a resonant network, and the network is by resonant capacitance Cr (31) and resonant inductance Lr
(32) after connecting, composed in parallel with transformer leakage inductance Lm (33), the network can be converted to the square wave exported by semi-bridge inversion just
String alternating current.
The transformer secondary lateral circuit is regulator rectifier circuit, transformer secondary Ns1 (42) and the first power diode
The rectification circuit and transformer secondary Ns2 (43) and the second power diode D2 of D1 (51), load power battery BAT (71) composition
(52), the rectification circuit of load power battery BAT (71) compositions, by from the AC rectification that transformer primary side exports into constant
Direct current, for load battery charging.
The electric capacity of voltage regulation C (61) and voltage stabilizing inductance R (62) and switch K5 (63) constitute voltage stabilizing discharge circuit, in electricity
After the discharge and recharge of road, the circuit property entered is discharged, ensures that circuit is not charged.
Two poles of the switch K1 (11), switch K2 (12) and its booster diode Ds2 (16), switch K3 (13) and its auxiliary
Pipe Ds1 (15), switch K4 (14) constitute switching switching network, are switched by switching, realize the conversion of charge and discharge.
As shown in Fig. 2 the switch K1 (11) and K2 (12) closures, rest switch disconnect, the first power MOS switch tube is made
(21) and the second power MOS switch tube (22) drive signal it is complementary, fixed low duty ratio (0.3 or so) is set, now power
Forward flow, realize that circuit is depressured charging process by VFC.
As shown in figure 3, the switch K3 (13) and K4 (14) closures, rest switch disconnect, fixed high duty ratio is set
(0.98 or so), now power direction flowing, circuit step-up discharge process is realized by VFC.
As shown in figure 4, switch K5 (63) closure, rest switch disconnect, it is possible to achieve charge or discharge process terminates
Circuit voltage stabilizing discharge process afterwards, ensure that circuit is not charged.
The Bidirectional charging-discharging LLC resonant converter design based on switching switch of the embodiment of the present invention, there is provided energy
The method of the charging and discharging process of enough easy switching batteries of electric automobile, required equipment are only four switches and two auxiliary
Diode, compared to traditional two-way LLC circuits, this approach reduces the quantity of gate-controlled switch device and additional device, improves
Circuit stability, while circuit is also simplify, reduce production cost and maintenance cost.
It is presently preferred embodiments of the present invention above, for those skilled in the art, according to inventive concept, specific real
There will be changes in mode and application are applied, this example is not limited.
Claims (7)
1. a kind of LLC charge-discharge circuits based on switching switch, it is characterised in that including three major parts, i.e.,：Unidirectional LLC
Resonant transformation part, switching switching network part, voltage stabilizing discharge portion.Unidirectional LLC resonant transformation partial actions are to pass through control
Switch mosfet frequency, direct current is converted into corresponding high-frequency alternating current；Switching switching network partial action is to carry out electricity
Road charging/discharging function conversion；The effect of voltage stabilizing discharge portion is that circuit is discharged after circuit discharge and recharge terminates, and ensures circuit
It is not charged.Specifically, input direct-current source DCS, the first power MOS switch tube M1, the second power MOS switch tube are mainly included
M2, resonant capacitance Cr, resonant inductance Lr, high-frequency isolation transformer T1 and its leakage inductance Lm, the first power diode D1, the second power
Diode D2, electric capacity of voltage regulation C, voltage stabilizing inductance R, switch K1, the switch K2 with booster diode, opening with booster diode
Close K3, switch K4, switch K5, load power battery BAT；The transformer is by leakage inductance Lm, primary side winding Np, secondary centre cap
Winding Ns1 and Ns2 is exported to form；The input direct-current source DCS forward directions output end connects the second power MOS switch tube M2 source
Level, switch K1, the switch K3 with booster diode, high voltage isolating transformer T1 leakage inductance Lm and its primary side winding Np；It is described
Switch K1 connecting valves K4, the first power MOS switch tube M1 drain；The source class connection of the first power MOS switch tube M1
Resonant capacitance Cr, switch K1 and K4, the second power MOS switch tube M2 drain；The drain of the second power MOS switch tube M2
Connect resonant capacitance Cr, the first power MOS switch tube M1；The resonant capacitance Cr connection resonant inductances Lr, the first power MOS are opened
Close pipe M1 source class, the second power MOS switch tube M2 drain；The resonant inductance Lr connection resonant capacitances Cr, resonant inductance
Lr, transformer primary side winding Np Same Name of Ends and its leakage inductance Lm；The transformer secondary centre cap output winding Ns1's is of the same name
The first power diode D1 of end connection positive pole；The different name end connection of the transformer secondary centre cap output winding Ns1 becomes
Depressor secondary centre cap output winding Ns2 Same Name of Ends；The Same Name of Ends connection of the transformer center tap output winding Ns2
Negative electrode, voltage stabilizing inductance R, the negative electrode of load power battery of electric capacity of voltage regulation；The different name end of the centre cap output winding Ns2 connects
Connect the second power diode D2 positive pole；The negative pole of the first power diode D1 and the second power diode D2 negative pole
Connect the second power diode D2 negative pole, the positive pole for the booster diode that connection K2 is switched, electric capacity of voltage regulation C, switch K5；It is described
Switch K1 connecting valves K3, input direct-current source anode, switch K4, the first power MOS switch tube drain；The switch K3 connections are defeated
Enter DC source DCS anode, switch K1；The switch K4 connecting valves K1, the first power MOS switch tube M1 drain, switch
K2, load power battery BAT；The switch K3 connects its booster diode negative electrode, switch K1, the anode in input direct-current source；Institute
State switch K5 connection electric capacity of voltage regulation C, voltage stabilizing inductance R, the first power diode D1 negative pole, switch K2 booster diode just
Pole.
A kind of 2. two-way LLC resonant converter based on switching switch according to claim 1, it is characterised in that：It is this
Series resonance inductor Lr and parallel resonant inductor Lm in controlled resonant converter, can be with the leakage inductance and magnetizing inductance of transformer come real
It is existing.
A kind of 3. two-way LLC resonant converter based on switching switch according to claim 1, it is characterised in that：It is described
Switch K1 and switch K2 closures, unidirectional LLC resonant modes DC/DC inverter functionalities can be realized, i.e., positive decompression charging electricity
Road.
A kind of 4. two-way LLC resonant converter based on switching switch according to claim 1, it is characterised in that：It is described
K3 and switch K4 closures are switched, reverse LLC resonant converter function can be realized, i.e., reverse step-up discharge circuit.
A kind of 5. two-way LLC resonant converter based on switching switch according to claim 1, it is characterised in that：It is described
Switch K5 closures, into voltage stabilizing discharge regime, whole circuit discharged after charging can be realized, ensure circuit without
Electricity.
A kind of 6. two-way LLC resonant converter based on switching switch according to claim 1, it is characterised in that：It is described
First power diode D1 and the second power diode D2, it is fast recovery power diode.
A kind of 7. two-way LLC resonant converter based on switching switch according to claim 1, it is characterised in that：It is described
Resonant capacitance Cr is high frequency capacitance, and electric capacity of voltage regulation C is electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699723.9A CN107482922A (en) | 2017-08-16 | 2017-08-16 | A kind of two-way LLC resonant converter based on switching switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699723.9A CN107482922A (en) | 2017-08-16 | 2017-08-16 | A kind of two-way LLC resonant converter based on switching switch |
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| CN107482922A true CN107482922A (en) | 2017-12-15 |
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| CN201710699723.9A Pending CN107482922A (en) | 2017-08-16 | 2017-08-16 | A kind of two-way LLC resonant converter based on switching switch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418436A (en) * | 2018-04-27 | 2018-08-17 | 合肥博鳌电气科技有限公司 | A kind of two-way LLC DC converters and its control method based on half-bridge three-level structure |
| CN109831099A (en) * | 2019-03-12 | 2019-05-31 | 浙江大学 | Operative orientation smooth sliding control method applied to two-way resonance formula CLLC circuit |
| CN109861603A (en) * | 2019-04-17 | 2019-06-07 | 深圳英飞源技术有限公司 | A kind of transformer winding switching method |
| CN115276409A (en) * | 2022-07-26 | 2022-11-01 | 深圳市优优绿能股份有限公司 | Bidirectional DC converter |
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| CN104506039A (en) * | 2014-12-25 | 2015-04-08 | 石家庄通合电子科技股份有限公司 | Bidirectional isolation direct-current and direct-current converter |
| CN105634288A (en) * | 2016-01-04 | 2016-06-01 | 河南理工大学 | Supercapacitor energy storage system based bidirectional DC/DC converter topology |
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- 2017-08-16 CN CN201710699723.9A patent/CN107482922A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506039A (en) * | 2014-12-25 | 2015-04-08 | 石家庄通合电子科技股份有限公司 | Bidirectional isolation direct-current and direct-current converter |
| CN105634288A (en) * | 2016-01-04 | 2016-06-01 | 河南理工大学 | Supercapacitor energy storage system based bidirectional DC/DC converter topology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418436A (en) * | 2018-04-27 | 2018-08-17 | 合肥博鳌电气科技有限公司 | A kind of two-way LLC DC converters and its control method based on half-bridge three-level structure |
| CN109831099A (en) * | 2019-03-12 | 2019-05-31 | 浙江大学 | Operative orientation smooth sliding control method applied to two-way resonance formula CLLC circuit |
| CN109861603A (en) * | 2019-04-17 | 2019-06-07 | 深圳英飞源技术有限公司 | A kind of transformer winding switching method |
| CN109861603B (en) * | 2019-04-17 | 2024-04-23 | 深圳英飞源技术有限公司 | Transformer winding switching method |
| CN115276409A (en) * | 2022-07-26 | 2022-11-01 | 深圳市优优绿能股份有限公司 | Bidirectional DC converter |
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Application publication date: 20171215 |