CN106059376A - Power supply system suitable for high repetition frequency impulse load - Google Patents
Power supply system suitable for high repetition frequency impulse load Download PDFInfo
- Publication number
- CN106059376A CN106059376A CN201610397715.4A CN201610397715A CN106059376A CN 106059376 A CN106059376 A CN 106059376A CN 201610397715 A CN201610397715 A CN 201610397715A CN 106059376 A CN106059376 A CN 106059376A
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- Prior art keywords
- bridge
- changer
- power
- super capacitor
- output
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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
- H02M11/00—Power conversion systems not covered by the preceding groups
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
- H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—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 with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a power supply system suitable for a high repetition frequency impulse load. The power supply system can provide impulse power output of high power density and high repetition frequency for the load. The power supply system comprises a multiphase interleaving full-bridge DC/DC (Direct Current) convertor, a super capacitor, an output inductor Lo, a discharging switch, a DC/DC convertor control circuit and a discharging switch control circuit. The multiphase interleaving full-bridge DC/DC convertor is adopted to realize isolation between an input power supply and the load, unstable input power supply voltage is converted into stable output voltage to supply power to the load, and the DC/DC convertor control circuit is used for controlling the multiphase interleaving full-bridge DC/DC convertor to perform output with the average power. By employing the characteristic of high power density of the super capacitor, the super capacitor is used as an energy storage unit for supplying power to the impulse load, and the discharging switch and the control circuit of the discharging switch are adopted to realize the impulse power output of high repetition frequency.
Description
Technical field
The present invention relates to electrical engineering technical field, be specifically related to a kind of power supply being applicable to high repetitive frequency pulsed load
System.
Background technology
Pulse Power Techniques are the energy with higher density that relatively long time memory is stored up, with single pulse or repetition
The physical technique that the short pulse mode of frequency is discharged in load, at nuclear explosion simulation, controlled nuclear fusion test, high current particle beam
The defence and military fields such as accelerator, pulse laser, High-Power Microwave, orientation high energy weapon, Electromagnetic Launching, electromagnetic propulsion and
The civil areas such as the processing of desulphurization denitration, industrial radiation, material surface process, food sterilization, fresh-keeping, medicine bioengineering have obtained extensively
Application.In order to reduce system bulk and weight, it is achieved high power density (peak power >=500W/kg), high repetition frequency (frequency
>=2kHz) impulse power electrical source system is most important.
Current impulse power electrical source system is mainly opened by machinery by impulse generator or high-power inductance or electric capacity battle array
The half control type devices such as pass or IGCT realize, and output voltage is higher, bulky, it is difficult to meet impulse power electrical source system simultaneously
System is to high power density and the requirement of high repetition frequency.
Summary of the invention
In view of this, the invention provides a kind of electric power system being applicable to high repetitive frequency pulsed load, it is possible to be negative
Carry the pulse power output that high power density, high repetition frequency are provided.
The electric power system being applicable to high repetitive frequency pulsed load of the present invention, including multiphase interleaving full-bridge DC/DC
Changer, current transformer, voltage transformer, super capacitor, outputting inductance Lo, discharge switch, DC/DC converter control circuit
With discharge switch control circuit；
Wherein, multiphase interleaving full-bridge DC/DC changer is by the input of N number of full-bridge DC/DC changer and output-parallel group
Becoming, the PWM of N number of full-bridge DC/DC changer controls 360 °/N of sequential mutual deviation, N >=2；Multiphase interleaving full-bridge DC/DC changer
Input termination input power, output plus terminal passes sequentially through current transformer and outputting inductance LOConnect the anode of super capacitor；
Super capacitor is in parallel with load, and discharge switch is connected between the anode of super capacitor and load；Voltage transformer
It is connected in parallel on the two ends of super capacitor；
DC/DC converter control circuit is with the reference voltage V setref, voltage transformer gather super capacitor output electricity
The output electric current of the DC/DC changer that pressure summation current transformer gathers is input, to multiphase interleaving full-bridge DC/DC changer
It is controlled so that multiphase interleaving full-bridge DC/DC changer exports with mean power；
Discharge switch control circuit is for controlling opening and turning off of discharge switch, it is thus achieved that the pulse power of high repetition frequency
Output.
Preferably, described super capacitor is concatenated constituting with parallel connection by multiple super capacitor monomers.
Preferably, described discharge switch is made up of multiple IGBT or power MOSFET parallel connection.
Preferably, described DC/DC converter control circuit includes low pass filter, PI controller I, PI controller II, PWM
Generator and MOS drive；Wherein, PI controller I is with reference voltage VrefThe super capacitor output voltage gathered with voltage transformer
For inputting, by PI control, it is thus achieved that internal ring electric current loop reference voltage；The DC/DC that current transformer is gathered by low pass filter becomes
The output electric current of depressor carries out low-pass filtering；PI controller II is with in low pass filter output result and PI controller I output
Circular current ring reference voltage is input, by PI control, it is thus achieved that PWM input controls voltage；PWM generator is defeated with PI controller II
It is input that the PWM input gone out controls voltage, generates the adjustable pwm control signal of dutycycle；MOS drives according to pwm control signal
The power MOSFET of multiphase interleaving full-bridge DC/DC changer is controlled so that multiphase interleaving full-bridge DC/DC becomes
Parallel operation exports with mean power.
Preferably, described discharge switch control circuit is driven by square wave signal generator and discharge switch and constitutes；Wherein, put
The square-wave signal that square wave signal generator produces is converted into high-frequency pulse signal by electric switch driver element, and utilizes this height
Frequency pulse signal realizes the high repetition frequency to discharge switch and controls.
Beneficial effect:
The present invention utilizes the feature that super capacitor power density is big, as energy-storage units, for supplying pulse load
Electricity；The multiphase interleaving full-bridge DC/DC changer working in average current mode of operation is utilized to provide average to pulse load
Power；Utilize IGBT or MOSFET of multiple parallel connection as discharge switch for providing pulse power to export, so achieve with
Time meet impulse power electrical source system to high power density and the requirement of high repetition frequency.
Accompanying drawing explanation
Fig. 1 is electric power system circuit diagram of the present invention.
Detailed description of the invention
Develop simultaneously embodiment below in conjunction with the accompanying drawings, describes the present invention.
The invention provides a kind of electric power system being applicable to high repetitive frequency pulsed load, as it is shown in figure 1, intersected by two
Wrong full-bridge DC/DC changer in parallel, current transformer, voltage transformer, super capacitor module, parallel discharge switch and control
Circuit forms.Wherein, biphase crisscross parallel full-bridge DC/DC changer is by two full-bridge DC/DC changer inputs and output-parallel
Composition, the PWM of two full-bridge DC/DC changers controls sequential mutual deviation 180 °.Wherein, a full-bridge DC/DC changer is by transformation
Device T1, power MOSFET (S1, S2, S5 and S6) and diode (D1, D2, D5 and D6) composition, input power and power MOSFET
The full-bridge circuit that (S1, S2, S5 and S6) forms is connected, and two half-bridge mid point of full-bridge circuit are connected with transformator T1 input, becomes
Two half-bridge mid point in the full bridge rectifier that depressor T1 outfan forms with diode (D1, D2, D5 and D6) are connected.Another
Individual full-bridge DC/DC changer is by transformator T2, power MOSFET (S3, S4, S7 and S8) and diode (D3, D4, D7 and D8) group
Becoming, the full-bridge circuit that input power forms with power MOSFET (S3, S4, S7 and S8) is connected, two half-bridge mid point of full-bridge circuit
It is connected with transformator T2 input, in the full bridge rectifier that transformator T2 outfan and diode (D3, D4, D7 and D8) form
Two half-bridges be connected.By current transformer and outputting inductance L after two full bridge rectifier output-parallelsOWith pulse power
The anode of bus is connected.Outputting inductance LOFor being filtered output electric current, current transformer is for carrying out output electric current
Detection.The isolation between input power and load is achieved by biphase crisscross parallel full-bridge DC/DC changer, and by instability
Input supply voltage be converted into stable output voltage and power to the load.The form of multiphase interleaving can reduce input,
Output current ripple and output voltage ripple, reduce the volume of outputting inductance Lo, thus be favorably improved power density.
Wherein, it is also possible to use the staggered full-bridge DC/DC changer in parallel of N, N > 2, the PWM of N number of full-bridge DC/DC changer
Control 360 °/N of sequential mutual deviation；Such as three-phase crisscross parallel, is extended to S1-S12 structure by S1-S8, and output D1-D8 is extended to
D1-D12, transformator T3 input connects the full bridge structure of S9-S12 composition, and transformator T3 output connects the full-bridge of D9-D12 composition
Structure, the like.
The anode of super capacitor is connected with the anode of pulse power bus, provides the energy needed for pulse power for load；
Super capacitor can be concatenated by multiple super capacitor monomers constituting super capacitor module with parallel connection, improves capacitance energy storage.
Parallel discharge switch series is associated in cathode output end (i.e. pulse power bus anode) and the load of super capacitor module
Between, by controlling opening and off state of parallel discharge switch, stable pulse power busbar voltage is converted into high frequency
Secondary pulse voltage.Parallel discharge switch can be made up of N number of IGBT or power MOSFET parallel connection, improves pulse power input energy
Power.
Current transformer is connected on the cathode output end of DC/DC changer, gathers the output electric current of DC/DC changer；Electricity
Pressure transformer is connected in parallel on the two ends of super capacitor, gathers the output voltage of super capacitor.
Control circuit includes DC/DC converter control circuit and discharge switch control circuit.
DC/DC converter control circuit mainly by low pass filter, PI controller I, PI controller II, PWM generator,
MOS drives composition.Wherein, PI controller I is with pulse power busbar voltage reference voltage VrefSuper with what voltage transformer gathered
Electric capacity output voltage is input, by PI control, it is thus achieved that internal ring electric current loop reference voltage；PI controller II adopts with current transformer
The low-pass filtering result of the output electric current of the DC/DC transformator of collection and the internal ring electric current loop reference voltage of PI controller I output are
Input, by PI control, it is thus achieved that PWM input controls voltage；The PWM input that PWM generator exports with PI controller II controls electricity
Pressure is input, is compared by comparator and high frequency triangle wave, it is thus achieved that the adjustable pwm control signal of dutycycle；MOS drives and depends on
According to the pwm control signal power MOSFET (S to DC/DC transformator1-S8) be controlled, and then realize biphase crisscross parallel full-bridge
The super capacitor module of pulse power bus is charged by the output of DC/DC changer with mean power.Export relatively with mean power
For maximum power output, it is possible to reduce the power demand to a bus, and the input electricity of electric power system can be reduced
Flow liner ripple.
Discharge switching circuit is mainly driven by square wave signal generator and discharge switch and constitutes.Discharge switch driver element will
The square-wave signal that square wave signal generator produces is converted into high-frequency pulse signal, and uses this pulse signal to realize putting
The high repetition frequency of electric switch controls, thus realizes the pulse power output of high repetition frequency.
By scheme proposed by the invention, it is achieved that the high repetitive frequency pulsed power power-supply of high power density.Prime
Biphase crisscross parallel full-bridge DC/DC changer provides mean power defeated owing to working in average current mode of operation to load
Go out, super capacitor module directly to load provide pulse power, the advantage taking full advantage of super capacitor high power density, thus
Decrease the ripple current of a bus, and then reduce the interference to other equipment of the impulse power electrical source system.Discharge switch
N number of IGBT or power MOSFET is used to constitute, it is easy to accomplish high impulse currents exports.
The impulse power electrical source structure peak power density that the present invention proposes is up to 500W/kg, far above current 200W/
kg；And use the full-control type power semiconductors such as IGBT or MOSFET due to discharge switch, its repetition rate can reach kHz
Above, far above hundreds of Hz of other technologies scheme.
In sum, these are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (5)
1. the electric power system being applicable to high repetitive frequency pulsed load, it is characterised in that include multiphase interleaving full-bridge
DC/DC changer, current transformer, voltage transformer, super capacitor, outputting inductance Lo, discharge switch, DC/DC changer control
Circuit processed and discharge switch control circuit；
Wherein, multiphase interleaving full-bridge DC/DC changer is made up of the input of N number of full-bridge DC/DC changer and output-parallel, N
The PWM of individual full-bridge DC/DC changer controls 360 °/N of sequential mutual deviation, N >=2；Multiphase interleaving full-bridge DC/DC changer defeated
Entering and terminate input power, output plus terminal passes sequentially through current transformer and outputting inductance LOConnect the anode of super capacitor；
Super capacitor is in parallel with load, and discharge switch is connected between the anode of super capacitor and load；Voltage transformer is in parallel
Two ends at super capacitor；
DC/DC converter control circuit is with the reference voltage V setref, voltage transformer gather super capacitor output voltage and
The output electric current of the DC/DC changer that current transformer gathers is input, carries out multiphase interleaving full-bridge DC/DC changer
Control so that multiphase interleaving full-bridge DC/DC changer exports with mean power；
Discharge switch control circuit is for controlling opening and turning off of discharge switch, it is thus achieved that the pulse power of high repetition frequency is defeated
Go out.
It is applicable to the electric power system of high repetitive frequency pulsed load the most as claimed in claim 1, it is characterised in that described super
Electric capacity is concatenated constituting with parallel connection by multiple super capacitor monomers.
It is applicable to the electric power system of high repetitive frequency pulsed load the most as claimed in claim 1, it is characterised in that described electric discharge
Switch is made up of multiple IGBT or power MOSFET parallel connection.
It is applicable to the electric power system of high repetitive frequency pulsed load the most as claimed in claim 1, it is characterised in that described DC/
DC converter control circuit includes that low pass filter, PI controller I, PI controller II, PWM generator and MOS drive；Wherein,
PI controller I is with reference voltage VrefThe super capacitor output voltage gathered with voltage transformer is input, by PI control, obtains
Obtain internal ring electric current loop reference voltage；The output electric current of the DC/DC changer of current transformer collection is carried out low by low pass filter
Pass filter；PI controller II is defeated with the internal ring electric current loop reference voltage of low pass filter output result and PI controller I output
Enter, by PI control, it is thus achieved that PWM input controls voltage；The PWM input that PWM generator exports with PI controller II controls voltage
For input, generate the adjustable pwm control signal of dutycycle；MOS drives according to pwm control signal multiphase interleaving full-bridge
The power MOSFET of DC/DC changer is controlled so that multiphase interleaving full-bridge DC/DC changer is defeated with mean power
Go out.
It is applicable to the electric power system of high repetitive frequency pulsed load the most as claimed in claim 1, it is characterised in that described electric discharge
ON-OFF control circuit is driven by square wave signal generator and discharge switch and constitutes；Wherein, square wave is believed by discharge switch driver element
The square-wave signal that number generator produces is converted into high-frequency pulse signal, and utilizes this high-frequency pulse signal to realize electric discharge
The high repetition frequency of switch controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397715.4A CN106059376A (en) | 2016-06-03 | 2016-06-03 | Power supply system suitable for high repetition frequency impulse load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610397715.4A CN106059376A (en) | 2016-06-03 | 2016-06-03 | Power supply system suitable for high repetition frequency impulse load |
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| CN201610397715.4A Pending CN106059376A (en) | 2016-06-03 | 2016-06-03 | Power supply system suitable for high repetition frequency impulse load |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655786A (en) * | 2016-11-21 | 2017-05-10 | 山东艾诺仪器有限公司 | Multiphase bridge current-multiplying type PWM isolation type direct-current conversion circuit |
| CN107171588A (en) * | 2017-06-26 | 2017-09-15 | 北京无线电测量研究所 | A kind of modulator approach and system of the low energy storage broad pulse based on high voltage power supply |
| CN107294359A (en) * | 2017-07-02 | 2017-10-24 | 中国航空工业集团公司雷华电子技术研究所 | Digital power voltage stabilizing control method for correcting and system based on pulse signal detection |
| CN108197146A (en) * | 2017-11-29 | 2018-06-22 | 山东航天电子技术研究所 | The essence classification in-orbit generation system of Radar recognition parameter based on pulse flow data |
| WO2018148932A1 (en) * | 2017-02-17 | 2018-08-23 | Abb Schweiz Ag | Dc to dc converter |
| CN108667337A (en) * | 2018-05-31 | 2018-10-16 | 西南交通大学 | Highpowerpulse load power source device with fast dynamic response and its control method |
| CN110212769A (en) * | 2019-05-23 | 2019-09-06 | 合肥工业大学 | Two-way isolated form DC/DC converter failure tolerant circuit |
| CN110880870A (en) * | 2019-12-04 | 2020-03-13 | 兰州交通大学 | Screen grid power supply control method based on fractional order control |
| CN111162568A (en) * | 2018-11-08 | 2020-05-15 | 中车永济电机有限公司 | Charging circuit, electronic device and control method |
| CN112198445A (en) * | 2020-02-24 | 2021-01-08 | 合肥容杰电子技术有限责任公司 | High-frequency pulse load simulation circuit |
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| WO2024088121A1 (en) * | 2022-10-29 | 2024-05-02 | 华为数字能源技术有限公司 | Power converter and control method therefor |
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| CN106655786A (en) * | 2016-11-21 | 2017-05-10 | 山东艾诺仪器有限公司 | Multiphase bridge current-multiplying type PWM isolation type direct-current conversion circuit |
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| CN107171588A (en) * | 2017-06-26 | 2017-09-15 | 北京无线电测量研究所 | A kind of modulator approach and system of the low energy storage broad pulse based on high voltage power supply |
| CN107294359A (en) * | 2017-07-02 | 2017-10-24 | 中国航空工业集团公司雷华电子技术研究所 | Digital power voltage stabilizing control method for correcting and system based on pulse signal detection |
| CN107294359B (en) * | 2017-07-02 | 2019-08-30 | 中国航空工业集团公司雷华电子技术研究所 | Digital power pressure stabilizing control method for correcting based on pulse signal detection |
| CN108197146A (en) * | 2017-11-29 | 2018-06-22 | 山东航天电子技术研究所 | The essence classification in-orbit generation system of Radar recognition parameter based on pulse flow data |
| CN108667337B (en) * | 2018-05-31 | 2024-01-30 | 西南交通大学 | High-power pulse load power supply device with rapid dynamic response and control method thereof |
| CN108667337A (en) * | 2018-05-31 | 2018-10-16 | 西南交通大学 | Highpowerpulse load power source device with fast dynamic response and its control method |
| CN111162568A (en) * | 2018-11-08 | 2020-05-15 | 中车永济电机有限公司 | Charging circuit, electronic device and control method |
| CN110212769A (en) * | 2019-05-23 | 2019-09-06 | 合肥工业大学 | Two-way isolated form DC/DC converter failure tolerant circuit |
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| CN112198445A (en) * | 2020-02-24 | 2021-01-08 | 合肥容杰电子技术有限责任公司 | High-frequency pulse load simulation circuit |
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