CN110034674A - A kind of two-way three-phase DC-DC converter of high-gain and control method - Google Patents
A kind of two-way three-phase DC-DC converter of high-gain and control method Download PDFInfo
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- CN110034674A CN110034674A CN201810031749.0A CN201810031749A CN110034674A CN 110034674 A CN110034674 A CN 110034674A CN 201810031749 A CN201810031749 A CN 201810031749A CN 110034674 A CN110034674 A CN 110034674A
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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
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Abstract
The invention discloses a kind of two-way three-phase DC-DC converter of high-gain and control methods, belong to the two-way HF power conversion direction of field of power electronics.The main circuit of the two-way three-phase DC-DC converter of high-gain, mainly by three inductance L1~L2, six power switch tube Ss1~S6, four capacitor Cf、CL、CH1、CH2Composition.Wherein, the first inductance L1Respectively with power switch tube S1And power switch tube S4It is connected, the second inductance L2Respectively with power switch tube S2With the second capacitor CfIt is connected, third inductance L3Respectively with power switch tube S3, third capacitor CH1With the 4th capacitor CH2It is connected.180 ° of Interleaved control modes can utmostly increase duty cycle range, reduce on high-tension side total voltage ripple in control method；120 ° of Interleaved control modes can utmostly reduce the total current ripple of low-pressure side.The present invention has higher voltage conversion ratio, and power switch tube has lower voltage stress, and two high pressure lateral capacitance CH1And CH2Automatic voltage regulation may be implemented, three filter inductances realize automatic current equalizing.
Description
Technical field
The present invention relates to DC-DC converter technical fields, more particularly to a kind of two-way three-phase DC-DC converter of high-gain
And control method.
Background technique
In recent years, with the development in the fields such as generation of electricity by new energy, electric car and energy-storage system, two-way high-gain DC-DC
Converter has received widespread attention and studies.
In the prior art, traditional two-way three-phase DC-DC converter circuit topology is as described in Figure 1, by parasitic in circuit
The influence of the influence of parameter, especially inductance and capacitor equivalent internal resistance, the voltage of above-mentioned traditional two-way three-phase DC-DC converter
Conversion is difficult to convert the voltage into than being increased to 4 times or more than limited.Therefore, when needing to obtain sufficiently large voltage conversion ratio,
Foregoing circuit will be unable to satisfy actual demand；In addition, the electricity born when each power switch tube shutdown of above-mentioned conventional transducers
Pressure is high side voltage, and voltage stress is big.
For the voltage conversion ratio for improving DC-DC converter, there are mainly three types of current solutions:
The first is that buck is realized using transformer, and energy conversion links are DC-AC-AC-DC, but this
Scheme is since conversion links are more, so that energy conversion efficiency is lower.
Second is to realize buck using switched capacitor technique, but switching device needed for this scheme is excessive, so that cost
It increases and control is complicated.
The third is buck to be realized using coupling inductance technology, but the leakage inductance of coupling inductance can cause excessive voltage point
Peak and increasing loss.
Need to obtain sufficiently large voltage conversion ratio in conclusion being unable to satisfy in the prior art for DC-DC converter
Requirement the problem of, still shortage effective solution scheme.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of two-way three-phase DC-DC converters of high-gain, are used to
Promote the voltage conversion ratio of DC-DC converter.
A kind of two-way three-phase DC-DC converter of high-gain, comprising:
Three inductance L1、L2、L3: where the first inductance L1Respectively with power switch tube S1And power switch tube S4It is connected,
Second inductance L2Respectively with power switch tube S2With the second capacitor CfIt is connected, third inductance L3Respectively with power switch tube S3,
Three capacitor CH1With the 4th capacitor CH2It is connected；
Low-pressure side, power switch tube S1、S2、S3And power switch tube S6It is connected, the second capacitor CfIt is opened respectively with power
Close pipe S4And power switch tube S5It is connected, third capacitor CH1It is connected with high-pressure side, the 4th capacitor CH2Respectively with power switch
Pipe S6It is connected with high-pressure side.
Further, the first inductance L1, the second inductance L2With third inductance L3One end simultaneously with low-side power VL
With first capacitor CLAnode be connected or the first inductance L1, the second inductance L2With third inductance L3One end simultaneously with it is negative
Carry RLAnode and first capacitor CLAnode be connected.First inductance L1The other end and power switch tube S1First end and S4
Second end be connected, the second inductance L2The other end and power switch tube S2First end and the second capacitor CfCathode be connected
It connects, third inductance L3The other end and power switch tube S3First end, third capacitor CH1Cathode and the 4th capacitor CH2Just
Pole is connected；
Further, the low-side power VL, power switch tube S1、S2、S3Second end and S6First end be connected,
Or the load RLCathode, power switch tube S1、S2、S3Second end and S6First end be connected, the second capacitor CfJust
Pole and power switch tube S4First end and S5Second end be connected, third capacitor CH1Anode with high side power VHOr it is negative
Carry RHAnode be connected, the 4th capacitor CH2Cathode and power switch tube S6Second end and high side power VHOr load RH
Cathode be connected.
Further, the low-side power VLOr load RLBoth ends are parallel with filter capacitor CL。
Further, the power switch tube S1~S6Respective third end is connected with respective driving circuit respectively.
Further, the power switch tube S1~S6For N-channel field effect transistor MOSFET or insulated gate transistor
IGBT,
When power switch tube is N-channel field effect transistor MOSFET, the first end of the power switch tube is
The drain electrode of MOSFET, second end are the source electrode of MOSFET, and third end is the grid of MOSFET；
When power switch tube is insulated gate transistor IGBT, the first end of the power switch tube is the current collection of IGBT
Pole, the second end of the power switch tube are the emitter of IGBT, and the third end of the power switch tube is the grid of IGBT.
Further, when DC-DC converter work is in boost boost mode, low pressure flanks power supply, and high pressure flanks negative
It carries；When DC-DC converter work is in buck decompression mode, low pressure flanks load, and high pressure flanks power supply.
Further, automatic steady may be implemented in the two-way three-phase DC-DC converter of the high-gain, high-pressure side filter capacitor
Automatic current equalizing may be implemented in pressure, three filter inductances.It is further analyzed as follows: when circuit works in stable state, power switch tube S1、
S2、S3Duty ratio is identical and when being equal to D, in a switch periods, inductance L1、L2、L3Charge and discharge voltage-second balance, has respectively:
VLDT=(VCf-VL)(1-D)T
VLDT=(VCH1-VCf-VL)(1-D)T
VLDT=(VCH2-VL)(1-D)T
It can obtain:
Therefore, high pressure lateral capacitance being capable of automatic voltage regulation.
In one switch periods, capacitor Cf、CH1、CH2Charge and discharge ampere-second balances, and has respectively:
IL1(1-D) T=IL2(1-D)T
(IL2-IH) (1-D) T=IHDT
(IL3-IH) (1-D) T=IHDT
It can obtain:
IL1=IL2=IL3
Therefore, inductive current being capable of automatic current equalizing.
A kind of control method of the two-way three-phase DC-DC converter of high-gain, including 180 ° of Interleaved control modes, the power
Switching tube S1And S4、S2And S5、S3And S6Complementary conducting (not considering dead time) respectively, and S1And S3Same-phase, S1And S2Phase
180 ° of difference, S1、S2、S3Duty ratio is identical and is greater than 0.5.
Further, under 180 ° of Interleaved control modes, converter works in boost mode, at this point, its voltage is converted
Than (i.e. gain, similarly hereinafter) are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is
Power switch tube S1、S3、S5The duty ratio of conducting, and 0.5 < D < 1.In one switch periods, there are four Working moulds altogether for converter
State:
1) mode 1,3 [t0-t1, t2-t3]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、S6It is anti-simultaneously
Union II pole pipe D4、D5、D6Cut-off, low-side power VLTo inductance L1、L2、L3Charging, inductive current iL1、iL2、iL3It is linear to increase,
Capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1、vCH2
It is linear to reduce；
2) 2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode
D2、D4、D6Cut-off, low-side power VLTo inductance L1、L3Charging, inductive current iL1、iL3It is linear to increase, inductance L2To capacitor Cf、
CH1Charging, inductive current iL2It is linear to reduce, capacitance voltage vCfIt is linear to reduce, capacitance voltage vCH1It is linear to increase, capacitor CH1、CH2
Jointly to high pressure lateral load RHCharging, capacitance voltage vCH2It is linear to reduce；
4 [t of mode3-t4]: power switch tube S2、S4、S6Conducting, S1、S3、S5Shutdown, S1、S3、S5Anti-paralleled diode
D1、D3、D5Cut-off, low-side power VLTo inductance L2Charging, inductive current iL2It is linear to increase, inductance L1To capacitor CfCharging, electricity
Inducing current iL1It is linear to reduce, capacitance voltage vCfIt is linear to increase, inductance L3To capacitor CH2Charging, inductive current iL3It is linear to reduce, electricity
Hold voltage vCH2It is linear to increase, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1It is linear to reduce.
Further, under 180 ° of Interleaved control modes, converter works in buck mode, voltage conversion ratio are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5It leads
Logical duty ratio, and 0.5 < D < 1.In one switch periods, there are four operation modes altogether for circuit:
1) mode 1,3 [t0-t1, t2-t3]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、S6It is anti-simultaneously
Union II pole pipe D4、D5、D6Cut-off, inductance L1、L2、L3To low pressure lateral load RLCharging, inductive current iL1、iL2、iL3It is linear to reduce,
Capacitor Cf、CH1、CH2Without charge and discharge, capacitance voltage vCf、vCH1、vCH2It is constant；
2) 2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode
D2、D4、D6Cut-off, inductance L1、L3To low pressure lateral load RLCharging, inductive current iL1、iL3It is linear to reduce, capacitor Cf、CH1To inductance
L2Charging, inductive current iL2It is linear to increase, capacitance voltage vCfIt is linear to increase, capacitance voltage vCH1It is linear to reduce, high side power VH
To capacitor CH1、CH2Charging, capacitance voltage vCH2It is linear to increase；
4 [t of mode3-t4]: power switch tube S2、S4、S6Conducting, S1、S3、S5Shutdown, S1、S3、S5Anti-paralleled diode
D1、D3、D5Cut-off, inductance L2To low pressure lateral load RLCharging, inductive current iL2It is linear to reduce, capacitor CfTo inductance L1Charging, electricity
Inducing current iL1It is linear to increase, capacitance voltage vCfIt is linear to reduce, capacitor CH2To inductance L3Charging, inductive current iL3It is linear to increase, electricity
Hold voltage vCH2It is linear to reduce, high side power VHTo capacitor CH1、CH2Charging, capacitance voltage vCH1It is linear to increase.
A kind of control method of the two-way three-phase DC-DC converter of high-gain, including 120 ° of Interleaved control modes, the power
Switching tube S1And S4、S2And S5、S3And S6Complementary conducting (not considering dead time) respectively, and S1、S2And S3Phase differs respectively
120 °, S1、S2、S3Duty ratio is identical and is greater than 2/3.
Further, under 120 ° of Interleaved control modes, converter works in boost mode, at this point, its voltage is converted
Than are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、
S3、S5The duty ratio of conducting, and 2/3 < D < 1.
In one switch periods, there are six operation modes altogether for converter:
1) mode 1,3,5 [t0-t1, t2-t3, t4-t5]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、
S6Anti-paralleled diode D4、D5、D6Cut-off, low-side power VLTo inductance L1、L2、L3Charging, inductive current iL1、iL2、iL3Line
Property increase, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage
vCH1、vCH2It is linear to reduce；
2) 2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode
D2、D4、D6Cut-off, low-side power VLTo inductance L1、L3Charging, inductive current iL1、iL3It is linear to increase, inductance L2To capacitor Cf、
CH1Charging, inductive current iL2It is linear to reduce, capacitance voltage vCfIt is linear to reduce, capacitance voltage vCH1It is linear to increase, capacitor CH1、CH2
Jointly to high pressure lateral load RHCharging, capacitance voltage vCH2It is linear to reduce；
3) 4 [t of mode3-t4]: power switch tube S1、S2、S6Conducting, S3、S4、S5Shutdown, S3、S4、S5Anti-paralleled diode
D3、D4、D5Cut-off, low-side power VLTo inductance L1、L2Charging, inductive current iL1、iL2It is linear to increase, inductance L3To capacitor CH2
Charging, inductive current iL3It is linear to reduce, capacitance voltage vCH2It is linear to increase, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, electricity
Hold CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1It is linear to reduce；
4) 6 [t of mode5-t6]: power switch tube S2、S3、S4Conducting, S1、S5、S6Shutdown, S1、S5、S6Anti-paralleled diode
D1、D5、D6Cut-off, low-side power VLTo inductance L2、L3Charging, inductive current iL2、iL3It is linear to increase, inductance L1To capacitor CfIt fills
Electricity, inductive current iL3It is linear to reduce, capacitance voltage vCfIt is linear to increase, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, electricity
Hold voltage vCH1、vCH2It is linear to reduce.
Further, under 120 ° of Interleaved control modes, converter works in buck mode, voltage conversion ratio are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5It leads
Logical duty ratio, and 2/3 < D < 1.In one switch periods, there are six operation modes altogether for converter:
1) mode 1,3,5 [t0-t1, t2-t3, t4-t5]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、
S6Anti-paralleled diode D4、D5、D6Cut-off, inductance L1、L2、L3To low pressure lateral load RLCharging, inductive current iL1、iL2、iL3Line
Property reduce, capacitor Cf、CH1、CH2Without charge and discharge, capacitance voltage vCf、vCH1、vCH2It is constant；
2) 2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode
D2、D4、D6Cut-off, inductance L1、L3To low pressure lateral load RLCharging, inductive current iL1、iL3It is linear to reduce, capacitor Cf、CH1To inductance
L2Charging, inductive current iL2It is linear to increase, capacitance voltage vCfIt is linear to increase, capacitance voltage vCH1It is linear to reduce, high side power VH
To capacitor CH1、CH2Charging, capacitance voltage vCH2It is linear to increase；
3) 4 [t of mode3-t4]: power switch tube S1、S2、S6Conducting, S3、S4、S5Shutdown, S3、S4、S5Anti-paralleled diode
D3、D4、D5Cut-off, inductance L1、L2To low pressure lateral load RLCharging, inductive current iL1、iL2It is linear to reduce, capacitor CH2To inductance L3
Charging, inductive current iL3It is linear to increase, capacitance voltage vCH2It is linear to reduce, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, it is high
Press side power supply VHTo capacitor CH1、CH2Charging, capacitance voltage vCH1It is linear to increase；
4) 6 [t of mode5-t6]: power switch tube S2、S3、S4Conducting, S1、S5、S6Shutdown, S1、S5、S6Anti-paralleled diode
D1、D5、D6Cut-off, inductance L2、L3To low pressure lateral load RLCharging, inductive current iL2、iL3It is linear to reduce, capacitor CfTo inductance L1It fills
Electricity, inductive current iL1It is linear to increase, capacitance voltage vCfIt is linear to reduce, capacitor CH1、CH2Without charge and discharge, capacitance voltage vCH1、vCH2No
Become.
Compared with prior art, the beneficial effects of the present invention are:
The present invention has higher voltage conversion ratio, and the two-way three-phase DC-DC transformation of tradition can be improved in voltage conversion ratio
Three times of device；Power switch tube has lower voltage stress, wherein power switch tube S1、S2、S3、S6Shutdown when bear
Voltage is the one third of high side voltage, power switch tube S4、S5Shutdown when the voltage that bears be three points of high side voltage
Two.
Automatic voltage regulation may be implemented in two high-pressure side filter capacitors of the invention, and three filter inductances may be implemented automatic equal
Stream.
High-pressure side filter capacitor CH1On voltage be VH2/3, high-pressure side filter capacitor CH2On voltage be VH1/3.
The present invention only increases by two capacitors, and circuit topology is simple, and circuit element is few, reduces the cost of converter, improves
The whole work efficiency of converter.
Convertor controls of the present invention are simple, it is easy to accomplish.Wherein 180 ° of Interleaved control modes can utmostly increase and account for
Sky than range, reduce on high-tension side total voltage ripple；120 ° of Interleaved control modes, can with utmostly reducing low-pressure side total electricity
Flow liner wave.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the two-way three-phase DC-DC converter circuit topology of tradition；
Fig. 2 is the two-way three-phase DC-DC converter circuit topology of high-gain proposed by the present invention；
Fig. 3 is the two-way three-phase DC-DC converter of high-gain proposed by the present invention each power under 180 ° of Interleaved control modes
The control signal of switching tube；
Fig. 4 is the two-way three-phase DC-DC converter of high-gain proposed by the present invention each power under 120 ° of Interleaved control modes
The control signal of switching tube；
Fig. 5 (a)-Fig. 5 (c) is the two-way three-phase DC-DC converter of high-gain proposed by the present invention 180 ° of Interleaved control sides
Under formula, operation mode of the work in boost mode；
Fig. 6 (a)-Fig. 6 (c) is the two-way three-phase DC-DC converter of high-gain proposed by the present invention 180 ° of Interleaved control sides
Under formula, operation mode of the work in buck mode；
Fig. 7 (a)-Fig. 7 (d) is the two-way three-phase DC-DC converter of high-gain proposed by the present invention 120 ° of Interleaved control sides
Under formula, operation mode of the work in boost mode；
Fig. 8 (a)-Fig. 8 (d) is the two-way three-phase DC-DC converter of high-gain proposed by the present invention 120 ° of Interleaved control sides
Under formula, operation mode of the work in buck mode；
Fig. 9 (a)-Fig. 9 (c) is the two-way three-phase DC-DC converter of high-gain proposed by the present invention 180 ° of Interleaved control sides
Under formula, simulation waveform of the work in boost mode；
Figure 10 (a)-Figure 10 (c) is the two-way three-phase DC-DC converter of high-gain proposed by the present invention in 180 ° of Interleaved controls
Under mode, simulation waveform of the work in buck mode.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, XXX deficiency exists in the prior art, in order to solve technical problem as above, this
Application proposes a kind of two-way three-phase DC-DC converter of high-gain and control method.
In a kind of typical embodiment of the application, a kind of two-way three-phase DC-DC converter of high-gain, this hair are provided
For bright specific embodiment using topology shown in Fig. 2, which includes three inductance L1~L3, six power switch tube Ss1~S6, four
A capacitor Cf、CL、CH1、CH2, circuit connecting relation are as follows:
First inductance L1, the second inductance L2With third inductance L3One end simultaneously with low-side power VL(or load RL) just
Pole and first capacitor CLAnode be connected, the first inductance L1The other end and power switch tube S1First end and S4Second
End is connected, the second inductance L2The other end and power switch tube S2First end and the second capacitor CfCathode be connected, third
Inductance L3The other end and power switch tube S3First end, third capacitor CH1Cathode and the 4th capacitor CH2Anode be connected
It connects；
First capacitor CLCathode and low-side power VL(or load RL) cathode, power switch tube S1、S2、S3Second
End and S6First end be connected, the second capacitor CfAnode and power switch tube S4First end and S5Second end be connected,
Third capacitor CH1Anode with high side power VH(or load RH) anode be connected, the 4th capacitor CH2Cathode opened with power
Close pipe S6Second end and high side power VH(or load RH) cathode be connected.
Power switch tube S1~S6Respective third end is connected with respective driving circuit respectively.This preferred implementation example
Using N-channel field effect transistor MOSFET as power switch tube, the first end of power switch tube is the drain electrode of MOSFET, institute
The second end for stating power switch tube is the source electrode of MOSFET, and the third end of the power switch tube is the grid of MOSFET.
In the typical embodiment of the another kind of the application, power switch tube is insulated gate bipolar transistor IGBT, described
The first end of power switch tube is the collector of IGBT, and the second end of the power switch tube is the emitter of IGBT, the function
The third end of rate switching tube is the grid of IGBT.
This preferred implementation example is by changing connection of the low pressure side and high pressure side to power supply or load, to verify converter
Two-way operation characteristic.That is converter work connects power supply, high-pressure side connection load in boost boost mode, using low-pressure side
Mode；Work is connected using low-pressure side and is loaded in buck decompression mode, and high-pressure side connects the mode of power supply.Wherein, described
Load anode loads the one end being connected with filter capacitor anode, and the load cathode is loaded to be connected with filter capacitor cathode
The one end connect.
When converter uses 180 ° of Interleaved control modes, the conducting situation of power switch tube is as shown in figure 3, power switch
Pipe S1And S4、S2And S5、S3And S6Complementary conducting (not considering dead time) respectively, and S1And S3Same-phase, S1And S2Phase phase difference
180 °, S1、S2、S3Duty ratio is identical and is greater than 0.5.
Under 180 ° of Interleaved control modes, converter works in boost mode, voltage conversion ratio are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5It leads
Logical duty ratio, and 0.5 < D < 1, in a switch periods, there are four operation modes altogether for circuit:
3) mode 1,3 [t0-t1, t2-t3]: as shown in Fig. 5 (a), power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown,
S4、S5、S6Anti-paralleled diode D4、D5、D6Cut-off, low-side power VLTo inductance L1、L2、L3Charging, inductive current iL1、iL2、
iL3It is linear to increase, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, electricity
Hold voltage vCH1、vCH2It is linear to reduce.
4) 2 [t of mode1-t2]: as shown in Fig. 5 (b), power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6
Anti-paralleled diode D2、D4、D6Cut-off, low-side power VLTo inductance L1、L3Charging, inductive current iL1、iL3It is linear to increase,
Inductance L2To capacitor Cf、CH1Charging, inductive current iL2It is linear to reduce, capacitance voltage vCfIt is linear to reduce, capacitance voltage vCH1It is linear to increase
Greatly, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH2It is linear to reduce.
5) 4 [t of mode3-t4]: as shown in Fig. 5 (c), power switch tube S2、S4、S6Conducting, S1、S3、S5Shutdown, S1、S3、S5
Anti-paralleled diode D1、D3、D5Cut-off, low-side power VLTo inductance L2Charging, inductive current iL2It is linear to increase, inductance L1It is right
Capacitor CfCharging, inductive current iL1It is linear to reduce, capacitance voltage vCfIt is linear to increase, inductance L3To capacitor CH2Charging, inductive current
iL3It is linear to reduce, capacitance voltage vCH2It is linear to increase, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1Line
Property reduce.
Under 180 ° of Interleaved control modes, converter works in buck mode, voltage conversion ratio are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5It leads
Logical duty ratio, and 0.5 < D < 1, in a switch periods, there are four operation modes altogether for circuit:
3) mode 1,3 [t0-t1, t2-t3]: as shown in Fig. 6 (a), power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown,
S4、S5、S6Anti-paralleled diode D4、D5、D6Cut-off, inductance L1、L2、L3To low pressure lateral load RLCharging, inductive current iL1、iL2、
iL3It is linear to reduce, capacitor Cf、CH1、CH2Without charge and discharge, capacitance voltage vCf、vCH1、vCH2It is constant.
4) 2 [t of mode1-t2]: as shown in Fig. 6 (b), power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6
Anti-paralleled diode D2、D4、D6Cut-off, inductance L1、L3To low pressure lateral load RLCharging, inductive current iL1、iL3It is linear to reduce,
Capacitor Cf、CH1To inductance L2Charging, inductive current iL2It is linear to increase, capacitance voltage vCfIt is linear to increase, capacitance voltage vCH1Linearly subtract
It is small, high side power VHTo capacitor CH1、CH2Charging, capacitance voltage vCH2It is linear to increase.
5) 4 [t of mode3-t4]: as shown in Fig. 6 (c), power switch tube S2、S4、S6Conducting, S1、S3、S5Shutdown, S1、S3、S5
Anti-paralleled diode D1、D3、D5Cut-off, inductance L2To low pressure lateral load RLCharging, inductive current iL2It is linear to reduce, capacitor CfIt is right
Inductance L1Charging, inductive current iL1It is linear to increase, capacitance voltage vCfIt is linear to reduce, capacitor CH2To inductance L3Charging, inductive current
iL3It is linear to increase, capacitance voltage vCH2It is linear to reduce, high side power VHTo capacitor CH1、CH2Charging, capacitance voltage vCH1It is linear to increase
Greatly.
When converter uses 120 ° of Interleaved control modes, the conducting situation of power switch tube is as shown in figure 4, power switch
Pipe S1And S4、S2And S5、S3And S6Complementary conducting (not considering dead time) respectively, and S1、S2And S3Phase differs 120 ° respectively,
S1、S2、S3Duty ratio is identical and is greater than 2/3.
Under 120 ° of Interleaved control modes, converter works in boost mode, voltage conversion ratio are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5It leads
Logical duty ratio, and 2/3 < D < 1, in a switch periods, there are six operation modes altogether for circuit:
5) mode 1,3,5 [t0-t1, t2-t3, t4-t5]: as shown in Fig. 7 (a), power switch tube S1、S2、S3Conducting, S4、S5、
S6Shutdown, S4、S5、S6Anti-paralleled diode D4、D5、D6Cut-off, low-side power VLTo inductance L1、L2、L3Charging, inductive current
iL1、iL2、iL3It is linear to increase, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHIt fills
Electricity, capacitance voltage vCH1、vCH2It is linear to reduce.
6) 2 [t of mode1-t2]: as shown in Fig. 7 (b), power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6
Anti-paralleled diode D2、D4、D6Cut-off, low-side power VLTo inductance L1、L3Charging, inductive current iL1、iL3It is linear to increase,
Inductance L2To capacitor Cf、CH1Charging, inductive current iL2It is linear to reduce, capacitance voltage vCfIt is linear to reduce, capacitance voltage vCH1It is linear to increase
Greatly, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH2It is linear to reduce.
7) 4 [t of mode3-t4]: as shown in Fig. 7 (c), power switch tube S1、S2、S6Conducting, S3、S4、S5Shutdown, S3、S4、S5
Anti-paralleled diode D3、D4、D5Cut-off, low-side power VLTo inductance L1、L2Charging, inductive current iL1、iL2It is linear to increase,
Inductance L3To capacitor CH2Charging, inductive current iL3It is linear to reduce, capacitance voltage vCH2It is linear to increase, capacitor CfWithout charge and discharge, capacitor
Voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1It is linear to reduce.
8) 6 [t of mode5-t6]: as shown in Fig. 7 (d), power switch tube S2、S3、S4Conducting, S1、S5、S6Shutdown, S1、S5、S6
Anti-paralleled diode D1、D5、D6Cut-off, low-side power VLTo inductance L2、L3Charging, inductive current iL2、iL3It is linear to increase,
Inductance L1To capacitor CfCharging, inductive current iL3It is linear to reduce, capacitance voltage vCfIt is linear to increase, capacitor CH1、CH2Jointly to high pressure
Lateral load RHCharging, capacitance voltage vCH1、vCH2It is linear to reduce.
Under 120 ° of Interleaved control modes, converter works in buck mode, voltage conversion ratio are as follows:V in formulaHIt is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5It leads
Logical duty ratio, and 2/3 < D < 1, in a switch periods, there are six operation modes altogether for circuit:
5) mode 1,3,5 [t0-t1, t2-t3, t4-t5]: as shown in Fig. 8 (a), power switch tube S1、S2、S3Conducting, S4、S5、
S6Shutdown, S4、S5、S6Anti-paralleled diode D4、D5、D6Cut-off, inductance L1、L2、L3To low pressure lateral load RLCharging, inductive current
iL1、iL2、iL3It is linear to reduce, capacitor Cf、CH1、CH2Without charge and discharge, capacitance voltage vCf、vCH1、vCH2It is constant.
6) 2 [t of mode1-t2]: as shown in Fig. 8 (b), power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6
Anti-paralleled diode D2、D4、D6Cut-off, inductance L1、L3To low pressure lateral load RLCharging, inductive current iL1、iL3It is linear to reduce,
Capacitor Cf、CH1To inductance L2Charging, inductive current iL2It is linear to increase, capacitance voltage vCfIt is linear to increase, capacitance voltage vCH1Linearly subtract
It is small, high side power VHTo capacitor CH1、CH2Charging, capacitance voltage vCH2It is linear to increase.
7) 4 [t of mode3-t4]: as shown in Fig. 8 (c), power switch tube S1、S2、S6Conducting, S3、S4、S5Shutdown, S3、S4、S5
Anti-paralleled diode D3、D4、D5Cut-off, inductance L1、L2To low pressure lateral load RLCharging, inductive current iL1、iL2It is linear to reduce,
Capacitor CH2To inductance L3Charging, inductive current iL3It is linear to increase, capacitance voltage vCH2It is linear to reduce, capacitor CfWithout charge and discharge, capacitor
Voltage vCfIt is constant, high side power VHTo capacitor CH1、CH2Charging, capacitance voltage vCH1It is linear to increase.
8) 6 [t of mode5-t6]: the power switch tube S as shown in Fig. 8 (d)2、S3、S4Conducting, S1、S5、S6Shutdown, S1、S5、S6's
Anti-paralleled diode D1、D5、D6Cut-off, inductance L2、L3To low pressure lateral load RLCharging, inductive current iL2、iL3It is linear to reduce, electricity
Hold CfTo inductance L1Charging, inductive current iL1It is linear to increase, capacitance voltage vCfIt is linear to reduce, capacitor CH1、CH2Without charge and discharge, electricity
Hold voltage vCH1、vCH2It is constant.
Above two control method is optimal control method, adjusts the turn-on sequence of power switch tube and to power switch tube
The obtained control method of simple phase shift of turn-on instant is still within present invention protection.
Fig. 9 (a)-Fig. 9 (c) and Figure 10 (a)-Figure 10 (c) is converter of the present invention under 180 ° of Interleaved control modes
Simulation waveform.Wherein (a) of Fig. 9, (b), (c) are each power switch leakage of the converter work in boost mode respectively
Voltage, input and output voltage and each phase inductance current waveform between source；(a), (b), (c) of Figure 10 is that converter work exists respectively
Voltage, input and output voltage and each phase inductance current waveform between each power switch drain-source when buck mode.120 ° of Interleaved controls
Mode is similar with 180 ° of Interleaved control modes, and details are not described herein.
Simulation parameter is as follows: inductance L1、L2、L3Respectively 1.0mH, 1.1mH, 1.2mH, three inductance internal resistances are 0.05
Ω, capacitor CL、Cf、CH1、CH2Respectively 1000 μ F, 100 μ F, 1000 μ F, 1000 μ F, four capacitor equivalent internal resistances are 0.05
Ω, power switch tube S1And S4、S2And S5、S3And S6Complementary conducting (not considering dead time) respectively, and S1And S3Same-phase, S1
And S2180 ° of phase phase difference, S1、S2、S3Duty ratio is identical and is equal to 0.7, switching frequency 50kHz.Converter works in boost
When mode, low-side power VLVoltage is 20V, high pressure lateral load RHResistance is 500；Converter works in buck mode, low pressure
Lateral load RLResistance is 5 Ω, high side power VHVoltage is 200V.
The analysis and emulation that example is preferably implemented show that the two-way three-phase DC-DC converter of the high-gain is double compared to common
There is the voltage conversion ratio of three times to three-phase DC-DC converter, and power switch tube has lower voltage stress and inductance electricity
Flow the function of automatic current equalizing.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of two-way three-phase DC-DC converter of high-gain, characterized in that include:
Three inductance L1、L2、L3: where the first inductance L1Respectively with power switch tube S1And power switch tube S4It is connected, second
Inductance L2Respectively with power switch tube S2With the second capacitor CfIt is connected, third inductance L3Respectively with power switch tube S3, third electricity
Hold CH1With the 4th capacitor CH2It is connected；
Low-pressure side, power switch tube S1、S2、S3And power switch tube S6It is connected, the second capacitor CfRespectively with power switch tube
S4And power switch tube S5It is connected, third capacitor CH1It is connected with high-pressure side, the 4th capacitor CH2Respectively with power switch tube S6
It is connected with high-pressure side.
2. a kind of two-way three-phase DC-DC converter of high-gain, characterized in that the first inductance L1, the second inductance L2With third inductance L3
One end simultaneously with low-side power VLIt is connected or the first inductance L1, the second inductance L2With third inductance L3One end simultaneously with
Load RLAnode be connected, the first inductance L1The other end and power switch tube S1First end and S4Second end be connected,
Second inductance L2The other end and power switch tube S2First end and the second capacitor CfCathode be connected, third inductance L3's
The other end and power switch tube S3First end, third capacitor CH1Cathode and the 4th capacitor CH2Anode be connected；
Low-side power VL, power switch tube S1、S2、S3Second end and S6First end be connected, or load RLCathode, function
Rate switching tube S1、S2、S3Second end and S6First end be connected, the second capacitor CfAnode and power switch tube S4First
End and S5Second end be connected, third capacitor CH1Anode with high side power VHOr load RHAnode be connected, the 4th electricity
Hold CH2Cathode and power switch tube S6Second end and high side power VHOr load RHCathode be connected；Power switch tube
S1~S6Respective third end is connected with respective driving circuit respectively.
3. a kind of two-way three-phase DC-DC converter of high-gain as claimed in claim 1 or 2, characterized in that the low-pressure side electricity
Source VLOr load RLBoth ends are parallel with filter capacitor CL。
4. a kind of two-way three-phase DC-DC converter of high-gain as claimed in claim 1 or 2, characterized in that the power switch
Pipe S1~S6For N-channel field effect transistor MOSFET or insulated gate transistor IGBT；
When power switch tube is N-channel field effect transistor MOSFET, the first end of the power switch tube is MOSFET's
Drain electrode, second end are the source electrode of MOSFET, and third end is the grid of MOSFET；
When power switch tube is insulated gate transistor IGBT, the first end of the power switch tube is the collector of IGBT, institute
The second end for stating power switch tube is the emitter of IGBT, and the third end of the power switch tube is the grid of IGBT.
5. special based on a kind of control method of any two-way three-phase DC-DC converter of high-gain of claims 1 or 2
Sign is, including 180 ° of Interleaved control modes, the power switch tube S1And S4、S2And S5、S3And S6Complementary conducting respectively, does not consider
Dead time, and S1And S3Same-phase, S1And S2180 ° of phase phase difference, S1、S2、S3Duty ratio is identical and is greater than 0.5.
6. a kind of control method of the two-way three-phase DC-DC converter of high-gain as claimed in claim 5, characterized in that
Under 180 ° of Interleaved control modes, converter works in boost mode, voltage conversion ratio are as follows:V in formulaH
It is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5The duty ratio of conducting, and 0.5 < D <
1, in a switch periods, there are four operation modes altogether for converter:
Mode 1,3 [t0-t1, t2-t3]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、S6Two pole of inverse parallel
Pipe D4、D5、D6Cut-off, low-side power VLTo inductance L1、L2、L3Charging, inductive current iL1、iL2、iL3It is linear to increase, capacitor CfNothing
Charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1、vCH2Linearly subtract
It is small；
2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode D2、D4、
D6Cut-off, low-side power VLTo inductance L1、L3Charging, inductive current iL1、iL3It is linear to increase, inductance L2To capacitor Cf、CH1It fills
Electricity, inductive current iL2It is linear to reduce, capacitance voltage vCfIt is linear to reduce, capacitance voltage vCH1It is linear to increase, capacitor CH1、CH2It is common right
High pressure lateral load RHCharging, capacitance voltage vCH2It is linear to reduce；
4 [t of mode3-t4]: power switch tube S2、S4、S6Conducting, S1、S3、S5Shutdown, S1、S3、S5Anti-paralleled diode D1、D3、
D5Cut-off, low-side power VLTo inductance L2Charging, inductive current iL2It is linear to increase, inductance L1To capacitor CfCharging, inductive current
iL1It is linear to reduce, capacitance voltage vCfIt is linear to increase, inductance L3To capacitor CH2Charging, inductive current iL3It is linear to reduce, capacitance voltage
vCH2It is linear to increase, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1It is linear to reduce.
7. a kind of control method of the two-way three-phase DC-DC converter of high-gain as claimed in claim 5, characterized in that
Under 180 ° of Interleaved control modes, converter works in buck mode, voltage conversion ratio are as follows:V in formulaH
It is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5The duty ratio of conducting, and 0.5 < D <
1, in a switch periods, there are four operation modes altogether for circuit:
1,3 [t of mode0-t1, t2-t3]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、S6Two pole of inverse parallel
Pipe D4、D5、D6Cut-off, inductance L1、L2、L3To low pressure lateral load RLCharging, inductive current iL1、iL2、iL3It is linear to reduce, capacitor Cf、
CH1、CH2Without charge and discharge, capacitance voltage vCf、vCH1、vCH2It is constant；
2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode D2、D4、
D6Cut-off, inductance L1、L3To low pressure lateral load RLCharging, inductive current iL1、iL3It is linear to reduce, capacitor Cf、CH1To inductance L2It fills
Electricity, inductive current iL2It is linear to increase, capacitance voltage vCfIt is linear to increase, capacitance voltage vCH1It is linear to reduce, high side power VHTo electricity
Hold CH1、CH2Charging, capacitance voltage vCH2It is linear to increase；
4 [t of mode3-t4]: power switch tube S2、S4、S6Conducting, S1、S3、S5Shutdown, S1、S3、S5Anti-paralleled diode D1、D3、
D5Cut-off, inductance L2To low pressure lateral load RLCharging, inductive current iL2It is linear to reduce, capacitor CfTo inductance L1Charging, inductive current
iL1It is linear to increase, capacitance voltage vCfIt is linear to reduce, capacitor CH2To inductance L3Charging, inductive current iL3It is linear to increase, capacitance voltage
vCH2It is linear to reduce, high side power VHTo capacitor CH1、CH2Charging, capacitance voltage vCH1It is linear to increase.
8. special based on a kind of control method of any two-way three-phase DC-DC converter of high-gain of claims 1 or 2
Sign is, including 120 ° of Interleaved control modes, the power switch tube S1And S4、S2And S5、S3And S6Complementary conducting respectively, does not consider
Dead time, and S1、S2And S3Phase differs 120 ° respectively, S1、S2、S3Duty ratio is identical and is greater than 2/3.
9. a kind of control method of the two-way three-phase DC-DC converter of high-gain as claimed in claim 8, characterized in that
Under 120 ° of Interleaved control modes, converter works in boost mode, voltage conversion ratio are as follows:V in formulaH
It is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5The duty ratio of conducting, and 2/3 < D <
1, in a switch periods, there are six operation modes altogether for converter:
1,3,5 [t of mode0-t1, t2-t3, t4-t5]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、S6It is anti-
Parallel diode D4、D5、D6Cut-off, low-side power VLTo inductance L1、L2、L3Charging, inductive current iL1、iL2、iL3It is linear to increase
Greatly, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1、
vCH2It is linear to reduce；
2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode D2、D4、
D6Cut-off, low-side power VLTo inductance L1、L3Charging, inductive current iL1、iL3It is linear to increase, inductance L2To capacitor Cf、CH1It fills
Electricity, inductive current iL2It is linear to reduce, capacitance voltage vCfIt is linear to reduce, capacitance voltage vCH1It is linear to increase, capacitor CH1、CH2It is common right
High pressure lateral load RHCharging, capacitance voltage vCH2It is linear to reduce；
4 [t of mode3-t4]: power switch tube S1、S2、S6Conducting, S3、S4、S5Shutdown, S3、S4、S5Anti-paralleled diode D3、D4、
D5Cut-off, low-side power VLTo inductance L1、L2Charging, inductive current iL1、iL2It is linear to increase, inductance L3To capacitor CH2Charging, electricity
Inducing current iL3It is linear to reduce, capacitance voltage vCH2It is linear to increase, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, capacitor CH1、CH2
Jointly to high pressure lateral load RHCharging, capacitance voltage vCH1It is linear to reduce；
6 [t of mode5-t6]: power switch tube S2、S3、S4Conducting, S1、S5、S6Shutdown, S1、S5、S6Anti-paralleled diode D1、D5、
D6Cut-off, low-side power VLTo inductance L2、L3Charging, inductive current iL2、iL3It is linear to increase, inductance L1To capacitor CfCharging, electricity
Inducing current iL3It is linear to reduce, capacitance voltage vCfIt is linear to increase, capacitor CH1、CH2Jointly to high pressure lateral load RHCharging, capacitance voltage
vCH1、vCH2It is linear to reduce.
10. a kind of control method of the two-way three-phase DC-DC converter of high-gain as claimed in claim 8, characterized in that
Under 120 ° of Interleaved control modes, converter works in buck mode, voltage conversion ratio are as follows:V in formulaH
It is high-pressure side DC voltage, VLIt is low-pressure side DC voltage, D is power switch tube S1、S3、S5The duty ratio of conducting, and 2/3 < D <
1, in a switch periods, there are six operation modes altogether for converter:
1,3,5 [t of mode0-t1, t2-t3, t4-t5]: power switch tube S1、S2、S3Conducting, S4、S5、S6Shutdown, S4、S5、S6It is anti-
Parallel diode D4、D5、D6Cut-off, inductance L1、L2、L3To low pressure lateral load RLCharging, inductive current iL1、iL2、iL3Linearly subtract
It is small, capacitor Cf、CH1、CH2Without charge and discharge, capacitance voltage vCf、vCH1、vCH2It is constant；
2 [t of mode1-t2]: power switch tube S1、S3、S5Conducting, S2、S4、S6Shutdown, S2、S4、S6Anti-paralleled diode D2、D4、
D6Cut-off, inductance L1、L3To low pressure lateral load RLCharging, inductive current iL1、iL3It is linear to reduce, capacitor Cf、CH1To inductance L2It fills
Electricity, inductive current iL2It is linear to increase, capacitance voltage vCfIt is linear to increase, capacitance voltage vCH1It is linear to reduce, high side power VHTo electricity
Hold CH1、CH2Charging, capacitance voltage vCH2It is linear to increase；
4 [t of mode3-t4]: power switch tube S1、S2、S6Conducting, S3、S4、S5Shutdown, S3、S4、S5Anti-paralleled diode D3、D4、
D5Cut-off, inductance L1、L2To low pressure lateral load RLCharging, inductive current iL1、iL2It is linear to reduce, capacitor CH2To inductance L3Charging, electricity
Inducing current iL3It is linear to increase, capacitance voltage vCH2It is linear to reduce, capacitor CfWithout charge and discharge, capacitance voltage vCfIt is constant, high side power
VHTo capacitor CH1、CH2Charging, capacitance voltage vCH1It is linear to increase；
6 [t of mode5-t6]: power switch tube S2、S3、S4Conducting, S1、S5、S6Shutdown, S1、S5、S6Anti-paralleled diode D1、D5、
D6Cut-off, inductance L2、L3To low pressure lateral load RLCharging, inductive current iL2、iL3It is linear to reduce, capacitor CfTo inductance L1Charging, electricity
Inducing current iL1It is linear to increase, capacitance voltage vCfIt is linear to reduce, capacitor CH1、CH2Without charge and discharge, capacitance voltage vCH1、vCH2It is constant.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100096926A1 (en) * | 2008-10-22 | 2010-04-22 | Robert Dean King | Apparatus for transferring energy using power electronics and machine inductance and method of manufacturing same |
| CN104218798A (en) * | 2014-09-18 | 2014-12-17 | 天津大学 | High voltage gain bidirectional DC-DC (direct current-direct current) converter based on switching capacitors and coupling inductors |
| US20150097546A1 (en) * | 2013-10-09 | 2015-04-09 | National Tsing Hua University | Bidirectional dc-dc converter |
| CN204633600U (en) * | 2015-05-18 | 2015-09-09 | 安徽理工大学 | A kind of novel crisscross parallel topology structure of stepping-up/stepping-down chopper circuit |
| CN106329914A (en) * | 2015-06-15 | 2017-01-11 | 伊顿公司 | Interleaved parallel DC-DC converter and control method thereof |
| CN106533173A (en) * | 2016-12-29 | 2017-03-22 | 三峡大学 | High-gain DC/DC converter with adjustable input phase number |
-
2018
- 2018-01-12 CN CN201810031749.0A patent/CN110034674B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100096926A1 (en) * | 2008-10-22 | 2010-04-22 | Robert Dean King | Apparatus for transferring energy using power electronics and machine inductance and method of manufacturing same |
| US20150097546A1 (en) * | 2013-10-09 | 2015-04-09 | National Tsing Hua University | Bidirectional dc-dc converter |
| CN104218798A (en) * | 2014-09-18 | 2014-12-17 | 天津大学 | High voltage gain bidirectional DC-DC (direct current-direct current) converter based on switching capacitors and coupling inductors |
| CN204633600U (en) * | 2015-05-18 | 2015-09-09 | 安徽理工大学 | A kind of novel crisscross parallel topology structure of stepping-up/stepping-down chopper circuit |
| CN106329914A (en) * | 2015-06-15 | 2017-01-11 | 伊顿公司 | Interleaved parallel DC-DC converter and control method thereof |
| CN106533173A (en) * | 2016-12-29 | 2017-03-22 | 三峡大学 | High-gain DC/DC converter with adjustable input phase number |
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| CN112751497B (en) * | 2019-10-30 | 2022-03-08 | 昱能科技股份有限公司 | Control method and system of three-phase grid-connected inverter and three-phase grid-connected inverter |
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| CN110729899A (en) * | 2019-11-01 | 2020-01-24 | 山东大学 | Wide-input wide-output three-phase high-gain direct current converter and control method |
| CN110729899B (en) * | 2019-11-01 | 2020-08-04 | 山东大学 | Wide-input wide-output three-phase high-gain direct current converter and control method |
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| CN111884508A (en) * | 2020-07-15 | 2020-11-03 | 山东大学 | Low-voltage ripple multiphase high-gain bidirectional DC-DC converter and control method thereof |
| CN111969851B (en) * | 2020-09-11 | 2021-12-28 | 中国第一汽车股份有限公司 | Four-phase bidirectional DCDC converter |
| CN111969851A (en) * | 2020-09-11 | 2020-11-20 | 中国第一汽车股份有限公司 | Four-phase bidirectional DCDC converter |
| CN113364334A (en) * | 2021-07-14 | 2021-09-07 | 锦浪科技股份有限公司 | Double-parallel Buck-Boost inverter and control method thereof |
| CN114785116A (en) * | 2022-05-05 | 2022-07-22 | 南昌航空大学 | Four-phase high-gain self-current-sharing DC-DC converter and control method thereof |
| CN117118225A (en) * | 2023-08-30 | 2023-11-24 | 国网江苏省电力有限公司电力科学研究院 | Bidirectional DC-DC converter with wide voltage gain range for electric automobile, system and control method thereof |
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