CN108429457A - A kind of DC booster converter control method - Google Patents
A kind of DC booster converter control method Download PDFInfo
- Publication number
- CN108429457A CN108429457A CN201810185679.4A CN201810185679A CN108429457A CN 108429457 A CN108429457 A CN 108429457A CN 201810185679 A CN201810185679 A CN 201810185679A CN 108429457 A CN108429457 A CN 108429457A
- Authority
- CN
- China
- Prior art keywords
- prime
- rear class
- inductance
- control method
- booster 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.)
- Pending
Links
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
- H02M3/02—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
- H02M3/157—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 with digital control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention provides a kind of DC booster converter control method, the control method comprises the steps of：It detects the input current of DC booster converter and detects the state of the state and brake pedal of the gas pedal of vehicle；According to the digital value of input current, the digital value of gas pedal state, the state of brake pedal and preset target current, is calculated using PID closed loop algorithms and adjust duty ratio；And based on the power tube switch for adjusting Duty ratio control DC booster converter.The advantages of this method, is that the parameter for directly using the state of vehicle accelerator and brake pedal to be adjusted as PID is actively adjusted DC booster, and without using expensive high-precision sensor or processor, while keeping low cost, the response speed that DC booster converter fluctuates power battery output voltage when vehicle accelerates and slows down is improved, preferably than existing DC booster converter control method steady voltage and steady current capability are realized.
Description
Technical field
The present invention relates to a kind of control methods, in particular to a kind of DC booster converter control method.
Background technology
Hydrogen fuel cell be it is a kind of hydrogen is reacted with oxygen generate chemical energy electric energy is directly changed by electrochemical reaction
Power generator, have many advantages, such as generating efficiency height, environmental pollution is small, is therefore widely used in automotive field.But hydrogen fires
Expect that the voltage of battery output is relatively low, needs to bring the voltage up by DC booster converter and provide power to meet for vehicle
Demand.DC booster converter should ensure that hydrogen fuel cell output is stablized, with support vehicles even running.
The method that existing DC booster converter uses current closed-loop feedback control ensures that hydrogen fuel cell electric current is steady
Allocate sliding output.The core of current closed-loop feedback control is that electric current PID is adjusted.Electric current PID is adjusted with the defeated of hydrogen fuel cell
Go out the object that the electric current i.e. input current of DC booster converter is adjusted as loop PID, it is defeated ensureing that hydrogen fuel cell is stablized
Voltage output is increased by DC booster converter while going out electric current.This current closed-loop feedback control is in power cell of vehicle
In the case that scope range of the fluctuation of voltage is little, there are preferable inhibition and reaction speed.
And in vehicle travel process, the acceleration and braking of vehicle all can be larger to the generation of the voltage on power battery busbar
Influence, the input current in turn resulting in DC booster converter fluctuates.Because not by the acceleration parameter of vehicle and deceleration
Foundation of the parameter (state for being mainly reflected in brake pedal) as adjustment DC booster converter, therefore, existing direct current liter
Buckling parallel operation cannot in time make a response to the variation of output voltage in the state that vehicle accelerates and slows down, and cause hydrogen fuel electric
Pond can not provide stable output current.
In summary, it is desirable to provide a kind of DC booster converter control method can overcome the deficiencies of existing technologies.
Invention content
The present invention is intended to provide a kind of DC booster converter control method, can overcome the deficiencies of existing technologies.This
The goal of the invention of invention is achieved by the following technical programs.
An embodiment of the invention provides a kind of DC booster converter control method, wherein the control method
Including multiple steps：
Step 1：Detect the input current Iin of DC booster converter；Detect the state Sa and system of the gas pedal of vehicle
The state Sb of dynamic pedal；
Step 2：According to the digital value of input current Iin, gas pedal state Sa, the state Sb of brake pedal and preset
The digital value of target current It is calculated using PID closed loop algorithms and adjusts duty ratio D；
Step 3：Based on the power tube switch for adjusting duty ratio D control DC booster converters.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the adjusting
The calculation formula of duty ratio D is：Wherein Kp is scale parameter, and Ki is that integral is joined
Number, Kd are differential parameter, and e (τ)=(It-Iin) × Sa × Sb, t are the current time, and τ is time variable.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the direct current
Booster converter control method includes that the detection of the state Sa of gas pedal and the state Sb of brake pedal are transmitted by CAN bus
Signal.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the direct current
Booster converter control method further includes the state of state Sa and brake pedal that gas pedal is transmitted by analog signal channel
The detection signal of Sb.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the direct current
Booster converter includes concatenated prime booster circuit and rear class booster circuit, and prime booster circuit is used for input voltage
Boosting to medium voltage, rear class booster circuit is used to medium voltage being increased to output voltage, in prime booster circuit, input electricity
The both ends bridging of pressure has prime input capacitance, the first inductance of prime and concatenated prime first switch end across the two of input voltage
End, the first inductance of prime are connected across the both ends of input voltage, prime with the first diode of concatenated prime and prime output capacitance
Second inductance and concatenated prime second switch end are across the both ends of input voltage, the second inductance of prime and concatenated prime second
Across the both ends of input voltage, rear class booster circuit includes the first mirror image circuit and the second mirror image for diode and prime output capacitance
Circuit, the first mirror image circuit and the second mirror image circuit are connected across medium voltage both ends in a mirror-image fashion, in the first mirror image circuit, after
Grade the first inductance and concatenated rear class first switch are connected across the both ends of medium voltage, the first inductance of rear class and concatenated rear class the
The output capacitance of one diode and the first mirror image circuit is connected across the both ends of medium voltage；In second mirror image circuit, rear class second
Inductance is connected across the both ends of medium voltage, the second inductance of rear class and the two or two pole of concatenated rear class with concatenated rear class second switch
The output capacitance of pipe and the second mirror image circuit is connected across the both ends of medium voltage.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the rear class
Booster circuit conveys output voltage by rear class output capacitance.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the rear class
Booster circuit conveys output voltage by the first output capacitance of rear class and the second output capacitance of rear class in parallel.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the prime
Booster circuit includes multiple prime output capacitances of parallel connection, is connected across medium voltage both ends.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein described first
Mirror image circuit includes the output capacitance of multiple parallel connections, is connected across between output voltage anode and medium voltage cathode.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein described second
Mirror image circuit includes the output capacitance of multiple parallel connections, is connected across between medium voltage anode and negative pole of output end.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the output
Voltage passes through formula:Vout/Vin=1/ (1-Dq1) × (1+Dh3)/(1-Dh3) is calculated, and wherein Vin is input voltage,
Vout is output voltage, and Dq1 is the duty ratio of prime first switch, duty ratio and the prime first switch of prime second switch
Duty ratio is equal, and Dh3 is the duty ratio of rear class first switch, the duty of the duty ratio and rear class first switch of rear class second switch
Than equal.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the prime
The inductance value of first inductance is identical as the inductance value of the second inductance of prime, inductance value and the second inductance of prime of the first inductance of prime
The size Lq of inductance value pass through formula:Vin=Lq × Δ iq/Dq carries out initial option, and wherein Vin is input voltage, Δ iq
To flow through the inductive current variable quantity of one of inductance, Dq is the turn-on time that prime switchs in prime booster circuit.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the rear class
The inductance value of first inductance is identical as the inductance value of the second inductance of rear class, inductance value and the second inductance of rear class of the first inductance of rear class
The size Lh of inductance value pass through formula:Vc=Lh × Δ ih/Dh carries out initial option, and wherein Vc is medium voltage, and Δ ih is
The current change quantity of wherein a inductance in rear class booster circuit is flowed through, when Dh is the conducting that rear class switchs in rear class booster circuit
Between, medium voltage passes through formula:Vc/Vin=1/ (1-Dq1) is calculated, and Vin is input voltage, and Dq1 is prime first switch
Duty ratio, the duty ratio of prime second switch is equal with the duty ratio of prime first switch.
The advantages of DC booster converter control method, is：The state of vehicle accelerator and brake pedal is directly used to make
Actively DC booster is adjusted for the parameter that PID is adjusted, and without using expensive high-precision sensor or place
Device is managed, while keeping low cost, DC booster converter is improved and power battery is exported when vehicle accelerates and slows down
The response speed of voltage fluctuation realizes steady voltage preferably than existing DC booster converter control method and steady galvanic
Energy.
Description of the drawings
With reference to attached drawing, the disclosure will be easier to understand.Skilled addressee readily understands that be：This
A little attached drawings are used only for the technical solution illustrated the present invention, and are not intended to and are construed as limiting to protection scope of the present invention.
In figure：
Fig. 1 shows DC booster converter according to one embodiment of the present invention.
Fig. 2 shows the flow charts of DC booster converter control method according to one embodiment of the present invention.
Specific implementation mode
Fig. 1-2 and following description describe the present invention optional embodiment to instruct how those skilled in the art implement
It is of the invention with reproducing.In order to instruct technical solution of the present invention, some conventional aspects are simplified or have been omitted.Those skilled in the art
It should be appreciated that modification or replacement from these embodiments will be within the scope of the present invention.Those skilled in the art answer
The understanding following characteristics can be combined in various ways to form multiple modifications of the present invention.As a result, the invention is not limited in
Following optional embodiments, and be only limited by the claims and their equivalents.
Fig. 1 shows DC booster converter according to one embodiment of the present invention.As shown in Figure 1, DC boosting becomes
Parallel operation includes concatenated prime booster circuit and rear class booster circuit, and wherein prime booster circuit is used for input voltage vin liter
It is pressed onto medium voltage Vc, rear class booster circuit is used to medium voltage Vc being increased to output voltage Vo.Prime input capacitance Cin across
The both ends of input voltage vin are connected on, prime the first inductance L1 and concatenated prime the first power tube switch sw1 is connected across input electricity
The both ends of Vin, prime the first inductance Ll and concatenated prime the first diode D1 and the first capacitance of prime Cl are pressed to be connected across input
The both ends of voltage Vin, prime the second inductance L2 are connected across input voltage vin with the ends concatenated prime the second power tube switch sw2
Both ends, prime the second inductance L2 and concatenated prime the second diode D2 and the first capacitance of prime C1 are connected across input voltage
The both ends of Vin, the second capacitance of prime C2, prime third capacitance C3, the 4th capacitance C4 of prime, the 5th capacitance C5 of prime and prime
Six capacitance C6 are in parallel with prime the first capacitance Cl and are connected across between the anode of medium voltage Vc and the cathode of input voltage vin,
Prime booster circuit may include that more prime capacitances are in parallel with prime the first capacitance C1 and be connected across the both ends of medium voltage Vc.
Prime input capacitance Cin is used to press progress voltage stabilizing and filtering to input dc power and to the current stabilization of input current, preceding
Grade the first power tube switch sw1 and the first diode of prime D1 for prime the first inductance L1 and prime the first capacitance C1 to preceding
The on and off of the 6th capacitance C6 of grade, prime the second power tube switch sw2 and the second diode of prime D2 are for prime the
The on and off of two inductance L2 and prime the first capacitance C1 to the 6th capacitance C6 of prime, the first capacitance of prime C1, prime second
Capacitance C2, prime third capacitance C3, the 4th capacitance C4 of prime, prime the 5th capacitance C5 and the 6th capacitance C6 of prime are used for prime
The voltage stabilizing and filtering of the output voltage of booster circuit simultaneously carry out current stabilization to output current.
Rear class booster circuit includes the first mirror image circuit, and the second mirror image circuit and rear class output capacitance group, wherein rear class are defeated
Go out capacitance group for conveying output voltage, the first mirror image circuit, the second mirror image circuit are connected across medium voltage Vc in a mirror-image fashion
Both ends, rear class output capacitance group is connected across the both ends of output voltage Vo, and the both ends of output voltage Vo can connect load.First
In mirror image circuit, rear class the first inductance L3 and concatenated rear class the first power tube switch sw3 is connected across the both ends of medium voltage Vc,
First capacitance Cx1 of rear class the first inductance L3 and concatenated rear class the first diode D3 and the first mirror image circuit is connected across intermediate electricity
Press the both ends of Vc, the second capacitance Cx2 and third capacitance Cx3 of the first mirror image circuit and the first capacitance Cx1 of the first mirror image circuit
In parallel and be connected across between the anode of output voltage Vo and the cathode of medium voltage Vc, the first mirror image circuit may include more
Capacitance it is in parallel with the first capacitance of the first mirror image circuit and be connected across the anode and the cathode of medium voltage Vc of output voltage Vo
Between.
In second mirror image circuit, rear class the second inductance L4 and concatenated rear class the second power tube switch sw4 are connected across centre
The both ends of voltage Vc, the first capacitance of rear class the second inductance L4 and concatenated rear class the second diode D4 and the second mirror image circuit
Cy1 is connected across the both ends of medium voltage Vc, the second capacitance Cy2 and third capacitance Cy3 of the second mirror image circuit and the second mirror image electricity
The first capacitance Cy1 on road is in parallel and is connected across between the anode of output voltage Vc and the cathode of medium voltage Vo, the second mirror image
Circuit may include that more capacitances are in parallel with the first capacitance of the second mirror mirror image circuit and be connected across the anode of medium voltage Vc
Between the cathode of output voltage Vo.
Rear class output capacitance group rear class the first output capacitance Col and rear class the second output capacitance Co2, the first output capacitance
The both ends of output voltage Vo are connected across after Col and rear class the second output capacitance Co2 parallel connections, rear class output capacitance group may include more
More rear class output capacitances is in parallel with the first output capacitance Col and is connected across the both ends of output voltage Vo, output voltage Vout's
Both ends can connect load.
Rear class the first power tube switch sw3 and the first diode of rear class D3 be used for rear class the first inductance L3 and with the first mirror
As the on and off of the first capacitance Cx1 to third capacitance Cx3 of circuit, rear class the second power tube switch sw4 and rear class second
Diode D4 be used for conducting to the first capacitance Cy1 to third capacitance Cy3 of rear class the second inductance L4 and the second mirror image circuit and
Cut-off.The first capacitance Cx1, the second capacitance Cx2, the third capacitance Cx3 of first mirror image circuit are used for the defeated of the first mirror image circuit
Go out voltage to carry out voltage stabilizing and filtering and carry out current stabilization to output current.The first capacitance Cy1, the second capacitance of second mirror image circuit
Cy2 and third capacitance Cy3 is used to carry out voltage stabilizing and filtering to the output voltage output voltage of the second mirror image circuit and to output electricity
Stream carries out current stabilization.The the first output capacitance Co1 and the second output capacitance Co2 of rear class output capacitance group are used for rear class booster circuit
Output DC voltage Vo carry out voltage stabilizing and filtering and current stabilization carried out to output current.
In DC booster converter shown in Fig. 1, the corresponding duty ratios of prime the first power tube switch sw1 are D1, preceding
The corresponding duty ratios of the second power tube switch sw2 of grade are 180 ° of D2, wherein D1=D2=64% and phase difference, the first work(of rear class
The corresponding duty ratios of rate pipe switch sw3 are D3, and the corresponding duty ratios of rear class the second power tube switch sw4 are D4, wherein D3=D4
=55% and phase differ 180 °, D1 is identical as the phase of D3.
In DC booster converter shown in Fig. 1, medium voltage Vc is boosted by input voltage vin, according to corresponding public affairs
Formula 1：Vc/Vin=1/ (1-D1) show that output voltage Vo is boosted by medium voltage Vc, according to correspondence formula 2：Vo/Vc=
(1+D3)/(1-D3's) goes out, according to the correspondence formula 3 of formula 1 and 2 output voltage Vo of formula and input voltage vin：
Vo/Vin=(1+D3)/(1-D3)/(1-D1) is indicated.
Fig. 2 shows DC booster converter control method according to one embodiment of the present invention, including it is following multiple
Step：
Step 1：Detect the input current Iin of DC booster converter；Detect the state Sa and system of the gas pedal of vehicle
The state Sb of dynamic pedal；
Step 2：According to the digital value of input current Iin, gas pedal state Sa, the state Sb of brake pedal and preset
The digital value of target current It is calculated using PID closed loop algorithms and adjusts duty ratio D；
Step 3：Based on the power tube switch for adjusting duty ratio D control DC booster converters.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the adjusting
The calculation formula of duty ratio D is：Wherein Kp is scale parameter, and Ki is that integral is joined
Number, Kd are differential parameter, and e (τ)=(It-Iin) × Sa × Sb, t are the current time, and τ is time variable.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the direct current
Booster converter control method includes the detection using the state Sb of the state Sa and brake pedal of CAN bus transmission gas pedal
Signal.
The DC booster converter control method that said one embodiment according to the present invention provides, wherein the direct current
Booster converter control method further includes the state Sb using the state Sa and brake pedal of analog signal transmission gas pedal
Detect signal.
The advantages of DC booster converter control method, is：The state of vehicle accelerator and brake pedal is directly used to make
Actively DC booster is adjusted for the parameter that PID is adjusted, and without using expensive high-precision sensor or place
Device is managed, while keeping low cost, DC booster converter is improved and power battery is exported when vehicle accelerates and slows down
The response speed of voltage fluctuation realizes steady voltage preferably than existing DC booster converter control method and steady galvanic
Energy.
Indeed, it will be appreciated that although the description of front has been carried out in example through the invention, the present invention is done
Go out will be apparent to those skilled in the science it is such and other improvement and change be deemed to fall such as set forth herein
Broad range of the present invention in.Therefore, although the present invention reference has been made to preferred embodiment and be described, meaning
It is not that the equipment of tool novelty is made to be restricted therefrom, on the contrary, it is intended to include meeting part disclosed above, claim
Broad range within various improvement and equivalent modifications.
Claims (13)
1. a kind of DC booster converter control method, which is characterized in that the control method includes multiple steps：
Step 1：Detect the input current Iin of DC booster converter；The state Sa and braking for detecting the gas pedal of vehicle are stepped on
The state Sb of plate；
Step 2：According to the digital value of input current Iin, gas pedal state Sa, the state Sb of brake pedal and preset target
The digital value of electric current It is calculated using PID closed loop algorithms and adjusts duty ratio D；
Step 3：Based on the output current and voltage for adjusting duty D ratios adjustment DC booster converter.
2. DC booster converter control method as described in claim 1, which is characterized in that the meter for adjusting duty ratio D
Calculating formula is：
Wherein Kp is scale parameter, and Ki is integral parameter, and Kd is differential parameter, and e (τ)=(It-Iin) × Sa × Sb, t are current
Time, τ are time variable.
3. DC booster converter control method as described in claim 1, which is characterized in that the DC booster converter control
Method processed includes the detection signal using the state Sb of the state Sa and brake pedal of CAN bus transmission gas pedal.
4. DC booster converter control method as claimed in claim 3, which is characterized in that the DC booster converter control
Method processed further includes the detection signal using the state Sa of analog signal transmission gas pedal and the state Sb of brake pedal.
5. DC booster converter control method as described in claim 1, which is characterized in that the DC booster converter packet
It includes including concatenated prime booster circuit and rear class booster circuit, prime booster circuit is used to input voltage boosting to intermediate electricity
Pressure, rear class booster circuit is used to medium voltage being increased to output voltage, and in prime booster circuit, the both ends of input voltage bridge
There are prime input capacitance, the first inductance of prime and concatenated prime first switch end across the both ends of input voltage, prime first
Inductance is connected across the both ends of input voltage, the second inductance of prime and string with the first diode of concatenated prime and prime output capacitance
The prime second switch end of connection is across the both ends of input voltage, the second inductance of prime and the second diode of concatenated prime and prime
For output capacitance across the both ends of input voltage, rear class booster circuit includes the first mirror image circuit and the second mirror image circuit, the first mirror
As circuit and the second mirror image circuit are connected across medium voltage both ends in a mirror-image fashion, in the first mirror image circuit, the first inductance of rear class
Be connected across the both ends of medium voltage with concatenated rear class first switch, the first inductance of rear class and the first diode of concatenated rear class and
The output capacitance of first mirror image circuit is connected across the both ends of medium voltage；In second mirror image circuit, the second inductance of rear class with connect
Rear class second switch be connected across the both ends of medium voltage, the second inductance of rear class and the second diode of concatenated rear class and the second mirror
As the output capacitance of circuit is connected across the both ends of medium voltage.
6. DC booster converter control method as claimed in claim 5, which is characterized in that the rear class booster circuit passes through
Rear class output capacitance conveys output voltage.
7. DC booster converter control method as claimed in claim 6, which is characterized in that the rear class booster circuit passes through
In parallel the first output capacitance of rear class and the second output capacitance of rear class conveys output voltage.
8. DC booster converter control method as claimed in claim 5, which is characterized in that the prime booster circuit includes
Multiple prime output capacitances in parallel, are connected across medium voltage both ends.
9. DC booster converter control method as claimed in claim 5, which is characterized in that first mirror image circuit includes
The output capacitance of multiple parallel connections is connected across between output voltage anode and medium voltage cathode.
10. DC booster converter control method as claimed in claim 5, which is characterized in that the second mirror image circuit packet
The output capacitance for including multiple parallel connections is connected across between medium voltage anode and negative pole of output end.
11. DC booster converter control method as claimed in claim 5, which is characterized in that the output voltage passes through public affairs
Formula:Vout/Vin=1/ (1-Dq1)×(1+Dh3)/(1-Dh3) calculated, wherein VinFor input voltage, VoutFor output voltage,
Dq1Duty ratio for the duty ratio of prime first switch, prime second switch is equal with the duty ratio of prime first switch, Dh3For
The duty ratio of the duty ratio of rear class first switch, rear class second switch is equal with the duty ratio of rear class first switch.
12. DC booster converter control method as claimed in claim 5, which is characterized in that the first inductance of the prime
Inductance value is identical as the inductance value of the second inductance of prime, the inductance value of the first inductance of prime and the inductance value of the second inductance of prime
Size LqPass through formula:Vin=Lq×Δiq/DqCarry out initial option, wherein VinFor input voltage, Δ iqTo flow through one of them
The inductive current variable quantity of inductance, DqThe turn-on time switched for prime in prime booster circuit.
13. DC booster converter control method as claimed in claim 5, which is characterized in that the first inductance of the rear class
Inductance value is identical as the inductance value of the second inductance of rear class, the inductance value of the first inductance of rear class and the inductance value of the second inductance of rear class
Size LhPass through formula:Vc=Lh×Δih/DhCarry out initial option, wherein VcFor medium voltage, Δ ihTo flow through rear class boosting
The current change quantity of wherein a inductance, D in circuithFor the turn-on time that rear class in rear class booster circuit switchs, medium voltage leads to
Cross formula:Vc/Vin=1/ (1-Dq1) calculated, VinFor input voltage, Dq1For the duty ratio of prime first switch, prime
The duty ratio of two switches is equal with the duty ratio of prime first switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185679.4A CN108429457A (en) | 2018-03-07 | 2018-03-07 | A kind of DC booster converter control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810185679.4A CN108429457A (en) | 2018-03-07 | 2018-03-07 | A kind of DC booster converter control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108429457A true CN108429457A (en) | 2018-08-21 |
Family
ID=63157474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810185679.4A Pending CN108429457A (en) | 2018-03-07 | 2018-03-07 | A kind of DC booster converter control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108429457A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040207377A1 (en) * | 2003-04-10 | 2004-10-21 | Honda Motor Co., Ltd. | Solenoid driving device |
| CN102804573A (en) * | 2009-06-11 | 2012-11-28 | 丰田自动车株式会社 | Converter control device |
| CN105416085A (en) * | 2015-12-21 | 2016-03-23 | 武汉众宇动力系统科技有限公司 | Hybrid power control method and hybrid power system |
| CN106787714A (en) * | 2017-01-06 | 2017-05-31 | 北京亿华通科技股份有限公司 | For tandem type hydrogen fuel cell DC booster converter |
| CN107070338A (en) * | 2017-04-13 | 2017-08-18 | 李颖玉 | Driving system for electric vehicles |
-
2018
- 2018-03-07 CN CN201810185679.4A patent/CN108429457A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040207377A1 (en) * | 2003-04-10 | 2004-10-21 | Honda Motor Co., Ltd. | Solenoid driving device |
| CN102804573A (en) * | 2009-06-11 | 2012-11-28 | 丰田自动车株式会社 | Converter control device |
| CN105416085A (en) * | 2015-12-21 | 2016-03-23 | 武汉众宇动力系统科技有限公司 | Hybrid power control method and hybrid power system |
| CN106787714A (en) * | 2017-01-06 | 2017-05-31 | 北京亿华通科技股份有限公司 | For tandem type hydrogen fuel cell DC booster converter |
| CN107070338A (en) * | 2017-04-13 | 2017-08-18 | 李颖玉 | Driving system for electric vehicles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4557005B2 (en) | Voltage converter and vehicle | |
| TWI232361B (en) | Maximum-power tracking method and device of solar power generation system | |
| JP4506980B2 (en) | Hybrid fuel cell system and voltage conversion control method thereof | |
| CN101904036B (en) | Fuel battery system | |
| WO2008047617A1 (en) | Converter control device | |
| JP5447520B2 (en) | Converter control device and multiphase converter | |
| US8829721B2 (en) | Controller apparatus with maximum power point tracking for controlling an electric power generation system based on photovoltaic sources, controlling method and related electric power generation system | |
| JP4444343B2 (en) | Fuel cell vehicle | |
| CN106329924B (en) | A kind of system improving load transient response performance | |
| JP4505767B2 (en) | Fuel cell system | |
| JP2007328955A (en) | Power source device | |
| TW201225493A (en) | Control circuit and method for buck-boost switching converter | |
| CN108418423A (en) | DC booster converter control method based on electric voltage feed forward | |
| CN108767294B (en) | Power output control method and system of fuel cell power generation array system | |
| CN102474177A (en) | Converter controller | |
| CN115987103B (en) | Multimode booster circuit, device, control method and medium for micro photovoltaic system | |
| CN201490954U (en) | Novel three-phase driver for stepping motor | |
| CN108718156A (en) | A kind of adjustable constant-power direct-current power supply system of output voltage wide scope | |
| CN108429457A (en) | A kind of DC booster converter control method | |
| CN114244115A (en) | Loop control device and voltage conversion device | |
| CN212518763U (en) | Power supply current-sharing controller | |
| CN108418424A (en) | A kind of DC booster converter control method | |
| JP2010124689A (en) | Fuel cell vehicle | |
| CN108429459A (en) | A kind of DC booster converter control method | |
| CN108429458A (en) | A kind of DC booster converter control method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |
|
| RJ01 | Rejection of invention patent application after publication |