CN108768170A - A method of control One Buck-Boost converter body operational mode is biased by duty ratio - Google Patents
A method of control One Buck-Boost converter body operational mode is biased by duty ratio Download PDFInfo
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- CN108768170A CN108768170A CN201810589269.6A CN201810589269A CN108768170A CN 108768170 A CN108768170 A CN 108768170A CN 201810589269 A CN201810589269 A CN 201810589269A CN 108768170 A CN108768170 A CN 108768170A
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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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
Abstract
The invention belongs to power electronics fields, and in particular to a method of control One Buck-Boost converter body operational mode is biased by duty ratio.It is respectively d to define the minimum and maximum duty ratio that two switching tube work of One Buck-Boost converter body allowminAnd dmax；According to the range of input side direct current power source voltage variation and desired output voltage values, determine that One Buck-Boost converter body can be at the duty ratio offset signal c of single tube Buck brownout operations in change range of input voltage1；According to the range of input side direct current power source voltage variation and desired output voltage values, determine that One Buck-Boost converter body can be at the duty ratio offset signal c of single tube Boost booste operations in change range of input voltage2；It can ensure that the two-tube of One Buck-Boost converter body is only in copped wave state after control system reaches stable state there are one pipe, thus converter can be made to obtain higher efficiency relative to the operation of two-tube monotype.
Description
Technical field
The invention belongs to power electronics fields, and in particular to a kind of to bias control Buck-Boost changes by duty ratio
The method of parallel operation operational mode.
Background technology
Two-tube One Buck-Boost converter body has input and output voltage same polarity and buck characteristic, is suitable for wide input electricity
The prime DC converting of the Two-stage converter of pressure.From control model, there are mainly two types of：A kind of operating mode is monotype
Operating mode will be carried out unified Modeling with two-tube One Buck-Boost converter body, be controlled using unified duty ratio
(and the drive signal of two pipes can synchronize and certain phase difference also may be present).But this operating mode or there are inductance
Current ripples are relatively large, or there are the higher problems of inductive current average value.Another kind is working in double modes pattern, i.e. root
According to the size of input direct-current voltage, One Buck-Boost converter body can be separately operable in Buck patterns (decompression mode) and Boost
Pattern (boost mode).In traditional application scheme, the size of the input voltage generally detected by control system is determined
Which kind of determine system operation and there are problems that how realizing between pattern, vehicle-mounted both of which to take over seamlessly.
In conclusion existing in the prior art, inductive current ripple is relatively large, and inductive current average value is higher, two-tube work
Make the problems such as efficiency is low.
Invention content
The present invention is to provide a kind of methods biasing control One Buck-Boost converter body operational mode by duty ratio, can
To ensure that One Buck-Boost converter body moment in permitted change range of input voltage is in single tube decompression or single tube boosting
Operating mode.Converter can be made to obtain relatively two-tube operating mode and obtain higher efficiency.
A method of control One Buck-Boost converter body operational mode is biased by duty ratio, is included the following steps：
It is respectively d to define the minimum and maximum duty ratio that two switching tube work of One Buck-Boost converter body allowminWith
dmax；
According to the range of input side direct current power source voltage variation and desired output voltage values, determine that Buck-Boost is converted
Device can be at the duty ratio offset signal c of single tube Buck brownout operations in change range of input voltage1；
According to the range of input side direct current power source voltage variation and desired output voltage values, determine that Buck-Boost is converted
Device can be at the duty ratio offset signal c of single tube Boost booste operations in change range of input voltage2；
According to meeting the two offset signal c obtained under the conditions of single tube Buck and single tube Boost1、c2, its maximum value is taken to make
For the duty ratio offset signal c of One Buck-Boost converter body；
A row sawtooth carrier wave CW is generated in the controls, and v is instructed according to output voltageo*It is examined with by voltage sensor VS
The virtual voltage v measuredoDifference be admitted to voltage regulator GvOperation and obtain duty cycle control signal d；
Positive bias c is applied to control signal d and obtains d1=d+c.Negative bias c is applied to control signal d and obtains d2=d-c；
Using sawtooth carrier wave CW to d1And d2It is modulated, obtains respectively driving switching tube S1And S2Pulse signal.
The minimum and maximum duty ratio for defining two switching tube work permissions of One Buck-Boost converter body is respectively dmin
And dmax, including：
Wherein, d1For S1The duty ratio of pipe, d2For S2The duty ratio of pipe.When the actual duty cycle of pipe is more than dmaxShi Guanzi
It will be in and all turn on state, duty ratio 1；When the actual duty cycle of pipe is less than dminShi Guanzi will be in all off shape
State, duty ratio 0.
The range according to the variation of input side direct current power source voltage and desired output voltage values, determine Buck-Boost
Converter can be at the duty ratio offset signal c of single tube Buck brownout operations in change range of input voltage1, including：
If One Buck-Boost converter body is in single tube Buck patterns, i.e. S1Copped wave, S2It closes, then in its inductive current iLEven
Have in the case of continuous
Following two inequation groups can be obtained according to above-mentioned equation group
Controller output needs to meet
D < min (0.5, dmin+c1,dmax-c1)
Wherein, voFor the virtual voltage that voltage sensor VS is detected, vinmaxIt is maximum for the voltage of its front end direct current power supply
Value, d are that output voltage instructs vo*With the virtual voltage v detected by voltage sensor VSoDifference, dmaxFor maximum duty cycle,
dminFor minimum duty cycle, c1For One Buck-Boost converter body single tube Buck brownout operations are can be in change range of input voltage
Duty ratio offset signal.
The range according to the variation of input side direct current power source voltage and desired output voltage values, determine Buck-Boost
Converter can be at the duty ratio offset signal c of single tube Boost booste operations in change range of input voltage2, including：
If One Buck-Boost converter body is in single tube Boost patterns, i.e. S2Copped wave, S1Conducting, then in its inductive current iLEven
Have in the case of continuous
Following two inequation groups can be obtained according to above-mentioned equation group
Controller output needs to meet
D > max (0.5, dmin+c2,dmax-c2)
Wherein, voFor the virtual voltage that voltage sensor VS is detected, vinminIt is minimum for the voltage of its front end direct current power supply
Value, d are that output voltage instructs vo*With the virtual voltage v detected by voltage sensor VSoDifference, dmaxFor maximum duty cycle,
dminFor minimum duty cycle, c2For One Buck-Boost converter body single tube Boost booste operations are can be in change range of input voltage
Duty ratio offset signal.
It is described according to two offset signals obtained under the conditions of single tube Buck and single tube Boost are met, take its maximum value make
For the duty ratio offset signal c of One Buck-Boost converter body, including：
Duty ratio offset signal is
C is taken as
Wherein, c c1And c2Between maximum value, vinminFor the voltage minimum of its front end direct current power supply, voIt is passed for voltage
The virtual voltage that sensor VS is detected, dmaxFor maximum duty cycle, dminFor minimum duty cycle.
The beneficial effects of the present invention are：
Can ensure One Buck-Boost converter body it is two-tube after control system reaches stable state only there are one pipe be in cut
Wavy state, thus converter can be made to obtain higher efficiency relative to the operation of two-tube monotype.
Description of the drawings
Fig. 1 is a kind of method flow diagram biasing control One Buck-Boost converter body operational mode by duty ratio.
Fig. 2 is the main circuit diagram of One Buck-Boost converter body.
Fig. 3 is the control strategy figure of two switching tube duty ratios of One Buck-Boost converter body.
Specific implementation mode
The present invention is described further below in conjunction with the accompanying drawings.
It is the main circuit of the One Buck-Boost converter body described in patent in attached drawing 2.The voltage of its front end direct current power supply is vin,
DC power supply output current is iin, it is connected in parallel on the capacitance C at DC power supply both ends1Output for stable dc power supply.Capacitance C1
One end connecting valve pipe S being connect with DC power anode1, referred to as Buck pipes, the other end connection diode D of Buck pipes1The moon
Pole, the A points marked such as attached drawing 1.D1The other end connection DC power supply cathode.A points are connect with one end of inductance L again, electricity
Feel the other end of L, i.e., the B points in attached drawing 1, connecting valve pipe S2, referred to as Boost pipes, the other end connection direct current of Boost pipes
The cathode in source.B points are connected to diode D again2Anode, D2Cathode connection capacitance C2One end, C2The other end connect direct current
The cathode of power supply.Capacitance C2The as output filter capacitor of One Buck-Boost converter body.
Attached drawing 3 is the two-tube Duty ratio control strategy of One Buck-Boost converter body described in patent (with voltage list closed-loop control
For).Output voltage instructs vo*With the virtual voltage v detected by voltage sensor VSoDifference be admitted to voltage regulator
GvOperation and obtain control signal d, d is obtained into duty cycle control signal d plus an offset signal c1=d+c；Meanwhile d being subtracted
An offset signal c is gone to obtain duty cycle control signal d2=d-c；With high frequency sawtooth carrier wave CW respectively to d1With d2It is modulated.
It will be to d1Obtained pulse signal is modulated for driving S1Pipe, will be to d2Obtained pulse signal is modulated for driving S2Pipe.
If d1Amplitude then S of the numerical value higher than carrier wave CW1Always in the conduction state, S2Copped wave, converter are in boosting inverter state；If
d2Numerical value is less than 0, S2Always state, S are off1Copped wave, converter are in decompression transformation state.
The present invention is to provide one kind realizing One Buck-Boost converter body double mode by applying rational duty ratio biasing
The duty ratio offset design method of operation.This method is directed to two-tube One Buck-Boost converter body, the duty exported by controller
Than adding and subtracting respectively an identical amount of bias (c), and the actual duty cycle signal that will be obtained in control signal (d)
(d1=d+c) it is used for the driving of Buck pipes, by (d2=d-c) it is used for the driving of Boost pipes.And duty cycle signals d1And d2It is wrong
Open 180 ° of phases.This patent proposes the design method of the duty ratio biasing c in specific change range of input voltage, to ensure
One Buck-Boost converter body can according to the variation of input voltage it is adaptive be operated in single tube Buck (decompression) patterns or list
Pipe Boost (boosting) pattern.Due to being in single tube operating mode always, relative to the entire converter of two-tube operating mode
Efficiency has obvious raising.
A kind of design method biasing control One Buck-Boost converter body operational mode by duty ratio, it is characterized in that：
(1) by adding and subtracting respectively in the duty cycle control signal (d) that One Buck-Boost converter body controller exports
Remove an identical amount of bias (c), and the actual duty cycle signal (d that will be obtained1=d+c) it is used for the driving of Buck pipes, it will
(d2=d-c) it is used for the driving of Boost pipes.Buck- so may be implemented in the case where ensureing that amount of bias c is rationally arranged
According to the transformation of input voltage, adaptive operates under single tube Buck or single tube Boost patterns Boost.
(2) this patent proposes the design method of the duty ratio biasing c in specific change range of input voltage, Ke Yibao
The two-tube of card One Buck-Boost converter body is only in copped wave state after control system reaches stable state there are one pipe, thus can be with
Converter is set to obtain higher efficiency relative to the operation of two-tube monotype.
The invention belongs to power electronics fields, and in particular to a kind of to bias control Buck-Boost changes by duty ratio
The design method of parallel operation operational mode.
Two-tube One Buck-Boost converter body has input and output voltage same polarity and buck characteristic, is suitable for wide input electricity
The prime DC converting of the Two-stage converter of pressure.From control model, there are mainly two types of：A kind of operating mode is monotype
Operating mode will be carried out unified Modeling with two-tube One Buck-Boost converter body, be controlled using unified duty ratio
(and the drive signal of two pipes can synchronize and certain phase difference also may be present).But this operating mode or there are inductance
Current ripples are relatively large, or there are the higher problems of inductive current average value.Another kind is working in double modes pattern, i.e. root
According to the size of input direct-current voltage, One Buck-Boost converter body can be separately operable in Buck patterns (decompression mode) and Boost
Pattern (boost mode).In traditional application scheme, the size of the input voltage generally detected by control system is determined
Which kind of determine system operation and there are problems that how realizing between pattern, vehicle-mounted both of which to take over seamlessly.What this patent was carried
Method can improve to a certain extent double mode operation there are the problem of.
The present invention is to provide a kind of design sides biasing control One Buck-Boost converter body operational mode by duty ratio
Method specifically includes：
It is proposed that a kind of duty ratio by the way that duty ratio biasing control One Buck-Boost converter body operational mode is rationally arranged is inclined
Set design method, it is ensured that One Buck-Boost converter body moment in permitted change range of input voltage is in single tube drop
Pressure or the operating mode of single tube boosting.Converter can be made to obtain relatively two-tube operating mode and obtain higher efficiency.
The main contributions and feature of the present invention are：
(1) by adding and subtracting respectively in the duty cycle control signal (d) that One Buck-Boost converter body controller exports
An identical amount of bias (c) is gone, and the actual duty cycle signal (d1=d+c) obtained is used for the driving of Buck pipes, it will
(d2=d-c) it is used for the driving of Boost pipes.Buck- so may be implemented in the case where ensureing that amount of bias c is rationally arranged
According to the transformation of input voltage, adaptive operates under single tube Buck or single tube Boost patterns Boost.
(2) this patent proposes the design method of the duty ratio biasing c in specific change range of input voltage, Ke Yibao
The two-tube of card One Buck-Boost converter body is only in copped wave state after control system reaches stable state there are one pipe, thus can be with
Converter is set to obtain higher efficiency relative to the operation of two-tube monotype.
In conjunction with attached drawing 1, the object of the present invention is achieved like this：
It is the main circuit of the One Buck-Boost converter body described in patent in attached drawing 2.The voltage of its front end direct current power supply is
Vin, DC power supply output current are iin, and the capacitance C1 for being connected in parallel on DC power supply both ends is used for the output of stable dc power supply.Electricity
Hold one end connecting valve pipe S1 that C1 is connect with DC power anode, the other end of referred to as Buck pipes, Buck pipes connects diode
The cathode of D1, the A points marked such as attached drawing 1.The cathode of the other end connection DC power supply of D1.A points connect with one end of inductance L again
It connects, the other end of inductance L, i.e., the B points in attached drawing 1, connecting valve pipe S2, referred to as Boost pipe, the other end connection of Boost pipes
The cathode of DC power supply.B points are connected to the anode of diode D2, one end of the cathode connection capacitance C2 of D2, the other end of C2 again
Connect the cathode of DC power supply.Capacitance C2 is the output filter capacitor of One Buck-Boost converter body.
Attached drawing 3 is the two-tube Duty ratio control strategy of One Buck-Boost converter body described in patent (with voltage list closed-loop control
For).The difference of the output voltage instruction vo* and virtual voltage vo detected by voltage sensor VS is admitted to voltage regulator
Gv operations and obtain control signal d, d is obtained into duty cycle control signal d1=d+c plus an offset signal c；Meanwhile by d
It subtracts an offset signal c and obtains duty cycle control signal d2=d-c；D1 and d2 are adjusted respectively with high frequency sawtooth carrier wave CW
System.Obtained pulse signal will be modulated to d1 for driving S1 to manage, and obtained pulse signal will be modulated to d2 for driving
S2 is managed.
S1 is in the conduction state always if d1 numerical value is higher than the amplitude of carrier wave CW, S2 copped waves, and converter is in boosting and becomes
Change state；If d2 numerical value is off state, S1 copped waves always less than 0, S2, converter is in decompression transformation state.
Attached drawing 1 is the main circuit of One Buck-Boost converter body described in patent.
Attached drawing 2 is the control strategy of two switching tube duty ratios of One Buck-Boost converter body described in patent.
To a kind of design method biasing control One Buck-Boost converter body operational mode by duty ratio described in patent
It is as follows to execute process description.
(1) it is respectively d to define the minimum and maximum duty ratio that two switching tube work of One Buck-Boost converter body allowmin
And dmax, and meet
Wherein, d1For S1The duty ratio of pipe, d2For S2The duty ratio of pipe.When the actual duty cycle of pipe is more than dmaxShi Guanzi
It is 1 that the state that all turns on and duty ratio, which will be in,；When the actual duty cycle of pipe is less than dminShi Guanzi will be in all off
State and duty ratio are 0.
(2) according to the range of input side direct current power source voltage variation and desired output voltage values, Buck-Boost is determined
Converter can be at the duty ratio offset signal c of single tube Buck brownout operations in change range of input voltage.Process is as follows：
With reference to the accompanying drawings 1, if One Buck-Boost converter body is in single tube Buck patterns (S1Copped wave, S2Close), then in its inductance
Electric current iLHave in the case of continuous
Two inequation groups (2) and (3) can be obtained according to (1)
Can obtain controller output at this time according to (2) needs to meet
D < min (0.5, dmin+c,dmax-c) (4)
It can be obtained according to (3)
(3) according to the range of input side direct current power source voltage variation and desired output voltage values, Buck-Boost is determined
Converter can be at the duty ratio offset signal c of Boost booste operations in change range of input voltage.Process is as follows：
With reference to the accompanying drawings 1, if One Buck-Boost converter body is in single tube Boost patterns (S2Copped wave, S1Always it is on shape
State), then in its inductive current iLHave in the case of continuous
Two inequation groups (7) and (8) can be obtained according to (6)
Can obtain controller output at this time according to (7) needs to meet
D > max (0.5, dmin+c,dmax-c) (9)
It can be obtained according to (8)
(4) simultaneous (5) and (10) obtain duty ratio offset signal and are
Generally c is taken as
(5) sawtooth carrier wave CW is generated in the controls.
(6) output voltage detected according to voltage sensor calculates voltage control deviation, and is sent into voltage controller Gv
Operation is carried out, control signal d is obtained.
(7) positive bias c is applied to control signal d and obtains d1=d+c.Negative bias c is applied to control signal d and obtains d2=d-
c。
(8) utilize sawtooth carrier wave CW to d1And d2It is modulated, obtains respectively driving switching tube S1And S2Pulse signal.
If not reaching desired control effect, corresponding design procedure in (1)-(8) is returned to, until obtaining satisfaction
Actual result.
Claims (5)
1. it is a kind of by duty ratio bias control One Buck-Boost converter body operational mode method, which is characterized in that including with
Lower step：
(1) the minimum duty cycle d that two switching tube work of One Buck-Boost converter body allow is definedminWith maximum duty cycle dmax；
(2) according to the range of input side direct current power source voltage variation and desired output voltage values, determine that Buck-Boost is converted
Device can be at the duty ratio offset signal c of single tube Buck brownout operations in change range of input voltage1；
(3) according to the range of input side direct current power source voltage variation and desired output voltage values, determine that Buck-Boost is converted
Device can be at the duty ratio offset signal c of single tube Boost booste operations in change range of input voltage2；
(4) according to meeting the two offset signal c obtained under the conditions of single tube Buck and single tube Boost1、c2, take its maximum value conduct
The duty ratio offset signal c of One Buck-Boost converter body；
(5) a row sawtooth carrier wave CW is generated in the controls, and v is instructed according to output voltageo*It is examined with by voltage sensor VS
The virtual voltage v measuredoDifference be admitted to voltage regulator GvOperation and obtain duty cycle control signal d；
(6) positive bias c is applied to control signal d and obtains d1=d+c.Negative bias c is applied to control signal d and obtains d2=d-c；
(7) utilize sawtooth carrier wave CW to d1And d2It is modulated, obtains respectively driving switching tube S1And S2Pulse signal.
2. according to the method described in claim 1, it is characterized in that, two switch plumbers of the definition One Buck-Boost converter body
The minimum and maximum duty ratio for making to allow is respectively dminAnd dmax, including：
Wherein, d1For S1The duty ratio of pipe, d2For S2The duty ratio of pipe.When the actual duty cycle of pipe is more than dmaxShi Guanzi will locate
In the state that all turns on, duty ratio 1；When the actual duty cycle of pipe is less than dminShi Guanzi will be in all off state, account for
Sky is than being 0.
3. according to the method described in claim 1, it is characterized in that, the range changed according to input side direct current power source voltage
With desired output voltage values, determine that One Buck-Boost converter body can be at single tube Buck decompression fortune in change range of input voltage
Capable duty ratio offset signal c1, including：
If One Buck-Boost converter body is in single tube Buck patterns, i.e. S1Copped wave, S2It closes, then in its inductive current iLContinuously
In the case of have
Following two inequation groups can be obtained according to above-mentioned equation group
Controller output needs to meet
D < min (0.5, dmin+c1,dmax-c1)
Wherein, voFor the virtual voltage that voltage sensor VS is detected, vinmaxFor the voltage max of its front end direct current power supply, d
V is instructed for output voltageo*With the virtual voltage v detected by voltage sensor VSoDifference, dmaxFor maximum duty cycle, dmin
For minimum duty cycle, c1For One Buck-Boost converter body accounting for for single tube Buck brownout operations is can be in change range of input voltage
Sky compares offset signal.
4. according to the method described in claim 1, it is characterized in that, the range changed according to input side direct current power source voltage
With desired output voltage values, determine that One Buck-Boost converter body can be at single tube Boost boostings in change range of input voltage
The duty ratio offset signal c of operation2, including：
If One Buck-Boost converter body is in single tube Boost patterns, i.e. S2Copped wave, S1Conducting, then in its inductive current iLContinuously
In the case of have
Following two inequation groups can be obtained according to above-mentioned equation group
Controller output needs to meet
D > max (0.5, dmin+c2,dmax-c2)
Wherein, voFor the virtual voltage that voltage sensor VS is detected, vinminFor the voltage minimum of its front end direct current power supply, d
V is instructed for output voltageo*With the virtual voltage v detected by voltage sensor VSoDifference, dmaxFor maximum duty cycle, dmin
For minimum duty cycle, c2For One Buck-Boost converter body single tube Boost booste operations are can be in change range of input voltage
Duty ratio offset signal.
5. according to the method described in claim 1, it is characterized in that, described according to meeting single tube Buck and single tube Boost conditions
Two offset signals of lower acquisition take duty ratio offset signal c of its maximum value as One Buck-Boost converter body, including：
Duty ratio offset signal is
C is taken as
Wherein, c c1And c2Between maximum value, vinminFor the voltage minimum of its front end direct current power supply, voFor voltage sensor
The virtual voltage that VS is detected, dmaxFor maximum duty cycle, dminFor minimum duty cycle.
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| CN110429847A (en) * | 2019-08-19 | 2019-11-08 | 西安爱科赛博电气股份有限公司 | A kind of dual Buck inverter switching tube driving signal generation method and circuit |
| CN111092549A (en) * | 2019-11-27 | 2020-05-01 | 南京航空航天大学 | Three-mode frequency conversion soft switching control method of four-tube Buck-Boost converter |
| CN116526848A (en) * | 2023-06-30 | 2023-08-01 | 广东高斯宝电气技术有限公司 | Control method for seamless switching of four-switch Buck-Boost converter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429847A (en) * | 2019-08-19 | 2019-11-08 | 西安爱科赛博电气股份有限公司 | A kind of dual Buck inverter switching tube driving signal generation method and circuit |
| CN110429847B (en) * | 2019-08-19 | 2021-05-04 | 西安爱科赛博电气股份有限公司 | Method and circuit for generating driving signals of switching tubes of double Buck inverters |
| CN111092549A (en) * | 2019-11-27 | 2020-05-01 | 南京航空航天大学 | Three-mode frequency conversion soft switching control method of four-tube Buck-Boost converter |
| CN116526848A (en) * | 2023-06-30 | 2023-08-01 | 广东高斯宝电气技术有限公司 | Control method for seamless switching of four-switch Buck-Boost converter |
| CN116526848B (en) * | 2023-06-30 | 2024-02-20 | 广东高斯宝电气技术有限公司 | Control method for seamless switching of four-switch Buck-Boost converter |
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