CN106787763B - Two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope - Google Patents
Two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope Download PDFInfo
- Publication number
- CN106787763B CN106787763B CN201710010606.7A CN201710010606A CN106787763B CN 106787763 B CN106787763 B CN 106787763B CN 201710010606 A CN201710010606 A CN 201710010606A CN 106787763 B CN106787763 B CN 106787763B
- Authority
- CN
- China
- Prior art keywords
- phase shifting
- bridge
- shifting angle
- full
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008859 change Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 238000009795 derivation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- 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
- H02M3/3353—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 at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention relates to a kind of two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope, control method therein includes: the current phase shifting angle for obtaining full-bridge DC-DC converterAnd calculate the phase shifting angle steady-state value of full-bridge DC-DC converterIf current phase shifting angleNot up to phase shifting angle steady-state valueWith the phase shifting angle steady-state valuePhase shifting angle incremental change of the full-bridge DC-DC converter within each period is determined for targetI-th of period in N number of period is superimposed phase shifting angle feedforward amount in phase shifting angle control instructionThe present invention in the control process of phase shifting angle by increasing phase shifting angle feedforward control, accelerate the transmission of active power in dynamic process, reduce the fluctuation of full-bridge DC-DC converter outlet side DC bus-bar voltage, the overshoot for reducing DC current improves the dynamic characteristic of full-bridge DC-DC converter.
Description
Technical field
The present invention relates to it is a kind of based on phase shifting angle slope feedforward two-way full-bridge DC-DC converter control method and device,
Belong to power electronics field.
Background technique
With power density, high, system has electrical isolation to two-way full-bridge DC-DC converter (DAB), and does not need volume
The advantages that outer passive device can be achieved with Sofe Switch, generation of electricity by new energy, electric power electric transformer, energy storage device etc. have compared with
It applies more.
Currently, the common control strategy of DAB is to shift to control, by will test the DC bus-bar voltage of outlet side and give
Voltage instruction make the difference, input of the difference as PI controller adjusts to obtain phase shifting angle by PI controller.But prominent
Add, during off-load, due to shifting to the poor dynamic of control method, causes the fluctuation of DAB DC bus-bar voltage and electric current super
It adjusts larger.
Summary of the invention
The object of the present invention is to provide a kind of two-way full-bridge DC-DC converter control methods based on the feedforward of phase shifting angle slope
And device, for solving in the case where loading mutation, tradition shifts to DC bus-bar voltage fluctuation and electric current in control
This larger technical problem of overshoot.
In order to solve the above technical problems, the present invention provides a kind of two-way full-bridge DC-DC based on the feedforward of phase shifting angle slope
Inverter control method, including following scheme:
Method scheme one: the following steps are included:
Step 1, the current phase shifting angle of full-bridge DC-DC converter is obtainedAnd calculate the phase shifting angle of full-bridge DC-DC converter
Steady-state value
Step 2, if current phase shifting angleNot up to phase shifting angle steady-state valueWith the phase shifting angle steady-state valueIt is true for target
Determine phase shifting angle incremental change of the full-bridge DC-DC converter within each periodI-th of period in N number of period, in phase shift
Phase shifting angle feedforward amount is superimposed in the control instruction of angle
Method scheme two: on the basis of method scheme one, phase shifting angle of the full-bridge DC-DC converter in each period is incremented by
AmountFor phase shifting angle steady-state valueWith current phase shifting angleDifference 1/N.
Method scheme three, four: respectively on the basis of method scheme one, two, the phase shifting angle of the full-bridge DC-DC converter
Steady-state valueBy the change of the input voltage of full-bridge DC-DC converter, output power, inductance, switching frequency, efficiency and transformer
Than determination.
Method scheme five, six: respectively on the basis of method scheme three, four, the phase shifting angle of the full-bridge DC-DC converter
Steady-state valueCalculation formula are as follows:
Wherein, UiFor the input voltage of full-bridge DC-DC converter, UoFor the output voltage of full-bridge DC-DC converter, IoFor
Load current, LsFor the inductance of full-bridge DC-DC converter, fsFor the switching frequency of full-bridge DC-DC converter, n is full-bridge DC-DC
The no-load voltage ratio of transformer in converter, η are the power transmission efficiency of full-bridge DC-DC converter.
The invention also provides a kind of two-way full-bridge DC-DC converter control device based on the feedforward of phase shifting angle slope, packets
Include following scheme:
Device scheme one: include:
For obtaining the current phase shifting angle of full-bridge DC-DC converterAnd the phase shifting angle for calculating full-bridge DC-DC converter is steady
State valueUnit；
If for current phase shifting angleNot up to phase shifting angle steady-state valueWith the phase shifting angle steady-state valueIt is determined for target
Phase shifting angle incremental change of the full-bridge DC-DC converter within each periodI-th of period in N number of period, in phase shifting angle
Phase shifting angle feedforward amount is superimposed in control instructionUnit.
Device scheme two: on the basis of device scheme one, phase shifting angle of the full-bridge DC-DC converter in each period is incremented by
AmountFor phase shifting angle steady-state valueWith current phase shifting angleDifference 1/N.
Device scheme three, four: respectively on the basis of device scheme one, two, the phase shifting angle of the full-bridge DC-DC converter
Steady-state valueBy the change of the input voltage of full-bridge DC-DC converter, output power, inductance, switching frequency, efficiency and transformer
Than determination.
Device scheme five, six: respectively on the basis of device scheme three, four, the phase shifting angle of the full-bridge DC-DC converter
Steady-state valueCalculation formula are as follows:
Wherein, UiFor the input voltage of full-bridge DC-DC converter, UoFor the output voltage of full-bridge DC-DC converter, IoFor
Load current, LsFor the inductance of full-bridge DC-DC converter, fsFor the switching frequency of full-bridge DC-DC converter, n is full-bridge DC-DC
The no-load voltage ratio of transformer in converter, η are the power transmission efficiency of full-bridge DC-DC converter.
The beneficial effects of the present invention are: increasing phase shifting angle feedforward control in control process by shifting in tradition, that is, exist
A phase shifting angle slope feedforward value is increased in each adjustment period, reduces the variation width of the phase shifting angle within each adjustment period
Degree, improves the variation stability of the phase shifting angle of full-bridge DC-DC converter, reduces full-bridge DC-DC converter outlet side direct current
The fluctuation of busbar voltage reduces the overshoot of DC current.
Detailed description of the invention
Fig. 1 is the major loop topology of two-way full-bridge DC-DC converter；
Fig. 2 is two-way full-bridge DC-DC converter equivalent circuit；
Fig. 3 is the two-way full-bridge DC-DC converter course of work；
Fig. 4 is the structure chart of the two-way full-bridge DC-DC converter control method based on the feedforward of phase shifting angle slope.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in detail.
Two-way full-bridge DC-DC converter control method embodiment based on the feedforward of phase shifting angle slope:
Fig. 1 gives the major loop topology of two-way full-bridge DC-DC converter (DAB), and as shown in Figure 1, DAB is by H bridge M1, H
The high frequency transformer that bridge M2 and a no-load voltage ratio are n forms, and wherein H bridge M1 is by switching tube S1、S2、S3And S4Composition, H bridge M2 by
Switching tube S '1、S′2、S′3With S '4Composition, the input voltage of DAB are Ui, it is R when connecing loadLWhen, the output voltage of DAB is
Uo, output electric current is io.Ignore the exciting current of high frequency transformer, equivalent circuit is as shown in Figure 2, wherein uabIt is defeated for H bridge M1
Voltage out, ucdFor the voltage of H bridge M2 output, inductance LSFor the equivalent inductance of DAB, R is the equivalent resistance of DAB.
Firstly, when system load mutates, to the phase shifting angle steady-state value of full-bridge DC-DC converterIt is derived,
Derivation process is as follows:
Ignore system loss, in a switch periods, the steady operation process of DAB is as shown in figure 3, be broadly divided into following
Four-stage.
(1) stage one:
In t0Moment, the switching tube S of H bridge M12With S3Shutdown, by certain dead time, switching tube S1With S4It is open-minded；t1
Moment, the switching tube S ' of H bridge M22With S '3Shutdown；In t0< t < t1In this period, inductance LSThe voltage U at both endsLCalculating
Formula are as follows:
Wherein, U 'oIt indicates output voltage UoConvert the voltage of transformer primary side, U 'o=nUo, iLExpression flows through electricity
Feel LSElectric current.
Assuming that t=t0When, inductance LSElectric current be-IL, then in t0< t < t1In this period, inductance LSElectric current
Due to t=t1When inductance LSElectric current be IL, can obtain
The energy of H bridge M2 is transmitted to from H bridge M1 within the stage one
(2) stage two
In t1Moment, the switching tube S ' of H bridge M22With S '3Shutdown, by certain dead time, switching tube S '1With S '4It opens
It is logical；t2Moment, H bridge M1 switching tube S1With S4Shutdown.In t1< t < t2In this period, inductance LSThe voltage U at both endsL=Ui-
U′o=0, therefore the electric current of inductance is constant.
The energy of H bridge M2 is transmitted to from H bridge M1 within the stage two
(3) stage three
In t2Moment, the switching tube S of H bridge M11With S4Shutdown, by certain dead time, switching tube S2With S3Conducting；t3
Moment, the switching tube S ' of H bridge M21With S '4It is open-minded；In t2< t < t3In this period, inductance LSThe voltage U at both endsLCalculating
Formula are as follows:
Inductance LSElectric current
The energy of H bridge M2 is transmitted to from H bridge M1 within the stage three
(4) stage four
In t3Moment, the switching tube S ' of H bridge M21With S '4Shutdown, by certain dead time, switching tube S '2With S '3It opens
It is logical；t4Moment, the switching tube S of H bridge M12With S3Shutdown.In t3< t < t4In this period, inductance LSThe voltage U at both endsL=
Ui-U′o=0, therefore inductive current is constant.
The energy of M2 is transmitted to from H bridge M1 within the stage four
In conclusion being transmitted to the energy of H bridge M2 from H bridge M1 in a switch periods
Wab=UiIL(t2-t1)+UiIL(t4-t3) (10)
Load RLThe energy of consumption
WL=PLTs (11)
Wherein, PLFor bearing power, TsFor switch periods.
Convolution (3), (10) and (11), according to law of conservation of energy Wab=WL, can obtain
Due to phase shifting angle
It can finally be obtained in conjunction with above-mentioned derivation
When considering system loss, it is assumed that the energy transmission efficiency of system is η, then having
ηWab=WL (15)
The phase shifting angle of DAB at this time
When phase shifting angle mutates, it will cause in current switch period and contain DC component in the output voltage of H bridge M1,
Ignore system loss, it is assumed that the phase shifting angle of previous switch periods isSo at this time inductance LSCurrent peak
Current switch period, phase shifting angle sportPeak value of the inductive current in the brusque-switch period
DC current caused by phase shifting angle is mutated at this time
Most bad working environments are that power is fully loaded with DC current caused by reverse transfer, at this timeDC bias current
IdcReach maximum value, that is, has
In the very high situation of switching frequency of DAB, in order to reduce DC current biasing caused by phase shifting angle is mutated, it can lead to
The feedforward of phase shifting angle slope is crossed to reduce DC current caused by phase shifting angle, if the change procedure of the DC current is firstorder circuit
Zero input response, expression formula
Wherein, Idc0DC current caused by being mutated for phase shifting angle biases initial value, τ=LS/ R, R are Fig. 2 electrical equivalent
In equivalent resistance R, LSFor the equivalent inductance L in Fig. 2 electrical equivalentS。
It is specified according to the direct current biasing maximum value as caused by zero load to impact full load when by unloaded impact to full load
When the 10% of electric current carries out phase shifting angle and is incremented by, the incremental phase shifting angle of each switch periods at this time
Wherein PrateIndicate bearing power.
The caused DAB DC current biasing of phase shifting angle mutation can be greatly reduced by increasing the feedforward of phase shifting angle slope, and
It is unloaded fully loaded to impact by taking the switching frequency 10kHz of DAB as an example since phase shifting angle ramp up time is short, the variation of phase shifting angle
Time is only 1ms, at this time DC voltage UoFluctuation it is smaller.
Based on above-mentioned analysis, the two-way full-bridge DC-DC converter based on the feedforward of phase shifting angle slope based on phase shifting angle feedforward
The structure chart of control method is as shown in figure 4, wherein Uo_refFor DC voltage instruction, UoIt is to load both ends for DAB output voltage
Voltage, IoFor load current.When detecting that load mutates, the two-way full-bridge DC-DC based on the feedforward of phase shifting angle slope becomes
Parallel operation control method mainly comprises the steps that
Step 1, the current phase shifting angle of full-bridge DC-DC converter is obtainedAnd calculate the phase shifting angle of full-bridge DC-DC converter
Steady-state value
The phase shifting angle steady-state value of above-mentioned full-bridge DC-DC converterInput voltage, output work with full-bridge DC-DC converter
Rate, inductance, switching frequency, the no-load voltage ratio of efficiency and transformer are related.Specifically, the phase shifting angle stable state of full-bridge DC-DC converter
ValueCalculation formula are as follows:
Wherein, UoFor the output voltage of full-bridge DC-DC converter, IoFor load current, LsFor full-bridge DC-DC converter
Inductance, fsFor the switching frequency of full-bridge DC-DC converter, n is the no-load voltage ratio of transformer in full-bridge DC-DC converter, and η is full-bridge
The efficiency of DC-DC converter, UiFor the input voltage of full-bridge DC-DC converter.
Certainly, the phase shifting angle steady-state value of above-mentioned calculating full-bridge DC-DC converterExpression formula be only a kind of specific reality
Example is applied, further includes the various modifications of the expression formula.
Step 2, if current phase shifting angleNot up to phase shifting angle steady-state valueWith phase shifting angle steady-state valueIt is determined for target
Phase shifting angle incremental change of the full-bridge DC-DC converter within each periodI-th of period in N number of period, in phase shifting angle
Phase shifting angle feedforward amount is superimposed in control instruction
During traditional phase shifting control, by the DC bus-bar voltage U that will test outlet sideoRefer to given voltage
Enable Uo_refIt makes the difference, using the difference of acquisition as the input of PI controller, phase shifting angle is adjusted by PI controller, at this time
Phase shifting angle amount trimmed obtained is
On the basis of traditional phase shifting control, increases phase shifting angle slope and feedovers to realize the final control to phase shifting angle,
Even current phase shifting angleNot up to phase shifting angle steady-state valueWithin N number of period of setting, take full-bridge DC-DC converter every
The phase shifting angle incremental change in a periodFor phase shifting angle steady-state valueWith current phase shifting angleDifference 1/N, then i-th (0
< i≤N) a period when, in phase shifting angle control instruction be superimposed phase shifting angle feedforward amountWherein full-bridge DC-DC converter exists
Phase shifting angle incremental change in each periodExpression formula are as follows:
Specifically, positive integer N can value be 10,20 or 30 equivalent, when N is bigger, converter outlet side DC bus-bar voltage
Fluctuation and DC current overshoot it is smaller, but the transformation period of corresponding phase shifting angle can be elongated, in practical applications according to reality
Border situation is determined.
By the adjusting in several periods, phase shifting angle is in this periodOn the basis of, according to certain climbing speedIt rises
To the target steady state value of phase shifting anglePhase shifting angle feedforward part is added with trimming part split-phase, obtains final DAB phase shifting angle
Two-way full-bridge DC-DC converter control device embodiment based on the feedforward of phase shifting angle slope:
The control device includes:
For obtaining the current phase shifting angle of full-bridge DC-DC converterAnd the phase shifting angle for calculating full-bridge DC-DC converter is steady
State valueUnit；
If for current phase shifting angleNot up to phase shifting angle steady-state valueWith the phase shifting angle steady-state valueIt is determined for target
Phase shifting angle incremental change of the full-bridge DC-DC converter within each periodI-th of period in N number of period, in phase shifting angle
Phase shifting angle feedforward amount is superimposed in control instructionUnit.
Based on the two-way full-bridge DC-DC converter control device of phase shifting angle slope feedforward, it is actually built upon above-mentioned base
A kind of computer solution in the two-way full-bridge DC-DC converter control method of phase shifting angle slope feedforward, i.e., it is a kind of soft
Part framework, the software can be run in the control equipment of two-way full-bridge DC-DC converter.Due to being carried out to control method
The introduction of enough complete displays, therefore each unit in the device is no longer described in detail.
Claims (8)
1. a kind of two-way full-bridge DC-DC converter control method based on the feedforward of phase shifting angle slope, which is characterized in that including following
Step:
Step 1, the current phase shifting angle of full-bridge DC-DC converter is obtainedAnd calculate the phase shifting angle stable state of full-bridge DC-DC converter
Value
Step 2, if current phase shifting angleNot up to phase shifting angle steady-state valueWith the phase shifting angle steady-state valueIt is determined for target complete
Phase shifting angle incremental change of the bridge DC-DC converter within each periodI-th of period in N number of period, in phase shifting angle control
Phase shifting angle feedforward amount is superimposed in system instruction
2. the two-way full-bridge DC-DC converter control method according to claim 1 based on the feedforward of phase shifting angle slope, special
Sign is, phase shifting angle incremental change of the full-bridge DC-DC converter in each periodFor phase shifting angle steady-state valueWith current phase shifting angleDifference 1/N.
3. the two-way full-bridge DC-DC converter control method according to claim 1 or 2 based on the feedforward of phase shifting angle slope,
It is characterized in that, the phase shifting angle steady-state value of the full-bridge DC-DC converterBy the input voltage of full-bridge DC-DC converter, defeated
The no-load voltage ratio of power, inductance, switching frequency, efficiency and transformer determines out.
4. the two-way full-bridge DC-DC converter control method according to claim 3 based on the feedforward of phase shifting angle slope, special
Sign is, the phase shifting angle steady-state value of the full-bridge DC-DC converterCalculation formula are as follows:
Wherein, UiFor the input voltage of full-bridge DC-DC converter, UoFor the output voltage of full-bridge DC-DC converter, IoFor load
Electric current, LsFor the inductance of full-bridge DC-DC converter, fsFor the switching frequency of full-bridge DC-DC converter, n is full-bridge DC-DC transformation
The no-load voltage ratio of transformer in device, η are the power transmission efficiency of full-bridge DC-DC converter.
5. a kind of two-way full-bridge DC-DC converter control device based on the feedforward of phase shifting angle slope characterized by comprising
For obtaining the current phase shifting angle of full-bridge DC-DC converterAnd calculate the phase shifting angle steady-state value of full-bridge DC-DC converterUnit；
If for current phase shifting angleNot up to phase shifting angle steady-state valueWith the phase shifting angle steady-state valueFull-bridge is determined for target
Phase shifting angle incremental change of the DC-DC converter within each periodI-th of period in N number of period controls in phase shifting angle
Phase shifting angle feedforward amount is superimposed in instructionUnit.
6. the two-way full-bridge DC-DC converter control device according to claim 5 based on the feedforward of phase shifting angle slope, special
Sign is, phase shifting angle incremental change of the full-bridge DC-DC converter in each periodFor phase shifting angle steady-state valueWith current phase shifting angleDifference 1/N.
7. the two-way full-bridge DC-DC converter control device according to claim 5 or 6 based on the feedforward of phase shifting angle slope,
It is characterized in that, the phase shifting angle steady-state value of the full-bridge DC-DC converterBy the input voltage of full-bridge DC-DC converter, defeated
The no-load voltage ratio of power, inductance, switching frequency, efficiency and transformer determines out.
8. the two-way full-bridge DC-DC converter control device according to claim 7 based on the feedforward of phase shifting angle slope, special
Sign is, the phase shifting angle steady-state value of the full-bridge DC-DC converterCalculation formula are as follows:
Wherein, UiFor the input voltage of full-bridge DC-DC converter, UoFor the output voltage of full-bridge DC-DC converter, IoFor load
Electric current, LsFor the inductance of full-bridge DC-DC converter, fsFor the switching frequency of full-bridge DC-DC converter, n is full-bridge DC-DC transformation
The no-load voltage ratio of transformer in device, η are the power transmission efficiency of full-bridge DC-DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010606.7A CN106787763B (en) | 2017-01-06 | 2017-01-06 | Two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010606.7A CN106787763B (en) | 2017-01-06 | 2017-01-06 | Two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787763A CN106787763A (en) | 2017-05-31 |
| CN106787763B true CN106787763B (en) | 2019-06-21 |
Family
ID=58949942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710010606.7A Active CN106787763B (en) | 2017-01-06 | 2017-01-06 | Two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787763B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391155B (en) * | 2018-12-06 | 2021-05-04 | 国网江苏省电力有限公司连云港供电分公司 | Direct-current magnetic bias suppression method for bidirectional full-bridge DC/DC converter |
| FR3124906A1 (en) * | 2021-07-05 | 2023-01-06 | Renault S.A.S | Method of controlling a reversible DC-DC converter. |
| CN114825970B (en) * | 2022-06-24 | 2023-04-21 | 深圳大学 | Control method and device of direct current converter and computer readable storage medium |
| CN116155115B (en) * | 2023-04-20 | 2023-07-21 | 西安奇点能源股份有限公司 | Transient direct current magnetic bias suppression method and system for double-active full-bridge bidirectional DC/DC converter |
| CN116488448B (en) * | 2023-05-16 | 2023-11-21 | 江苏科曜能源科技有限公司 | Control method and system for double active bridge converter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516224A (en) * | 2013-10-09 | 2014-01-15 | 清华大学 | Mixed phase-shifting control method used for dually-active full-bridge direct current converter |
| CN104993505A (en) * | 2015-06-30 | 2015-10-21 | 湘潭大学 | Voltage and power balance control method for modular power electric transformer |
| CN105471269A (en) * | 2015-12-30 | 2016-04-06 | 国网智能电网研究院 | Power electronic transformer power balance control method and system based on H-bridge chained mode |
| CN105811456A (en) * | 2016-03-24 | 2016-07-27 | 中国电力科学研究院 | Power electronic transformer based microgrid intelligent gateway system and control method therefor |
-
2017
- 2017-01-06 CN CN201710010606.7A patent/CN106787763B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516224A (en) * | 2013-10-09 | 2014-01-15 | 清华大学 | Mixed phase-shifting control method used for dually-active full-bridge direct current converter |
| CN104993505A (en) * | 2015-06-30 | 2015-10-21 | 湘潭大学 | Voltage and power balance control method for modular power electric transformer |
| CN105471269A (en) * | 2015-12-30 | 2016-04-06 | 国网智能电网研究院 | Power electronic transformer power balance control method and system based on H-bridge chained mode |
| CN105811456A (en) * | 2016-03-24 | 2016-07-27 | 中国电力科学研究院 | Power electronic transformer based microgrid intelligent gateway system and control method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106787763A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106787763B (en) | Two-way full-bridge DC-DC converter control method and device based on the feedforward of phase shifting angle slope | |
| CN108039821B (en) | Current stress optimization two-phase shift control method of double-active full-bridge DC-DC converter | |
| Feng et al. | A novel dual-phase-shift control strategy for dual-active-bridge DC-DC converter | |
| CN105048821B (en) | Improve the load-current feedforward control method that full-bridge isolates DC DC converter output voltage dynamic responses | |
| CN109271698A (en) | A kind of mode of resonance double active bridging parallel operation modelings, depression of order, design method, apparatus and system | |
| Mao et al. | Energy-based control design for a solid state transformer | |
| Thounthong et al. | Robust hamiltonian energy control based on lyapunov function for four-phase parallel fuel cell boost converter for DC microgrid applications | |
| CN103414335B (en) | The distributed pressure equalizing control method of a kind of modular i SOS combined system | |
| CN112670975B (en) | Taylor expansion-based direct current power distribution and utilization system state feedback control method | |
| Zhang et al. | Optimal triple-phase-shift controller design of isolated bidirectional DC-DC converter based on ant colony algorithm and BP neural network | |
| CN110768536B (en) | Double-active-bridge circuit loss control method | |
| CN114825935A (en) | Double-time-scale optimization control method of four-switch buck-boost converter | |
| US20220366115A1 (en) | General decoupling method and system for electromagnetic transient simulation of voltage source converter | |
| CN107612344A (en) | A kind of pressure equalizing control method of the combined DC/DC converters of ISOS | |
| Kan et al. | Flexible topology converter used in photovoltaic micro‐inverter for higher weighted‐efficiency | |
| Heng et al. | A novel maximum power point tracking strategy for stand-alone solar pumping systems | |
| CN113904578B (en) | Weight coefficient-free model predictive control method for single-phase cascade H-bridge converter | |
| CN207339662U (en) | One kind is used for highway power supply and distribution source power cabinet | |
| Martinez-Perez et al. | IDA Passivity-Based Control of single phase back-to-back converters | |
| Chen et al. | Implementing a single-phase quasi-Z-source inverter with the indirect current control algorithm for a reconfigurable PV system | |
| CN114614502B (en) | Isolated bidirectional DC-DC bipolar output voltage balancing method | |
| CN113300608B (en) | Direct current transformer control strategy, device, equipment and storage medium | |
| Ye et al. | A Control Strategy Design for a Wide Gain Dual-Active Bridge Converter in Battery Clusters’ Equilibrium Applications | |
| CN108599580B (en) | Bridge arm number adjustable high-boost isolation type DC/DC converter | |
| Husev et al. | Indirect Model Predictive Control for Inverter Connected to Distorted Grid with Significant Computation Delay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |