CN109104116A - One kind can the smooth input current type pulse power - Google Patents
One kind can the smooth input current type pulse power Download PDFInfo
- Publication number
- CN109104116A CN109104116A CN201811200853.4A CN201811200853A CN109104116A CN 109104116 A CN109104116 A CN 109104116A CN 201811200853 A CN201811200853 A CN 201811200853A CN 109104116 A CN109104116 A CN 109104116A
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- power
- pulse
- storage capacitor
- power supply
- energy
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- 238000004146 energy storage Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 28
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000012937 correction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M11/00—Power conversion systems not covered by the preceding groups
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/34—Snubber circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The present invention relates to airborne power supply technical fields, it can the smooth input current type pulse power more particularly to one kind, it can be used for airborne power supply system, based on three-phase active capability correction technology, construct the bidirectional energy-storage pulse power, using bi-directional power, when system power amplifier works, energy-storage units externally discharge, and make up generator responds deficiency when pulse power rises, prevent generator voltage from falling；It charges when power amplifier pulse stops working to energy-storage units, generator excess energy is stored.The present invention solves pulse (jump) load of airborne platform generator rear end, solves aircraft generator and modulates imbalance.
Description
Technical field
The present invention relates to airborne power supply technical fields, in particular to one kind can the smooth input current type pulse power.
Background technique
With the continuous development of power electronic technique, the pulse power can high-precision control output, lesser switching harmonics,
The efficiency of the pulse power is also improved while simplifying circuit structure.It is wide based on the advantage of pulse power discontinuous power supply
It is general to be applied to communication, airborne and aviation field.Airborne power supply major function is to generate or store required for airborne electrical equipment
Electric energy, it is necessary to have high weight--to-power ratio, power supply capacity is big, and power supply remaining, reliability, safety will have higher water
It is quasi-.
Currently, airborne power supply takes conventional rectifier technology mostly, it has been unable to satisfy the requirement of airborne power supply system GJB181,
Current waveform distortion is also resulted in simultaneously, reduces the power factor of airborne power supply, lower power factor is not corrected promotion, hair
Electric equipment also provides the virtual work irrelevant with work other than effective power, this results in the need for bigger generator, conversion
Machine, means of delivery, cable and additional delivery system etc. to make up the deficiency of loss, and generate higher harmonic components, pollute machine
Other electrical equipments are carried, are unfavorable for giving full play to the performance of these equipment.
Summary of the invention
Conventional power source uses rectifying and wave-filtering Technology design, and power adaptation is poor, cannot adapt to airborne circumstance.On solving
The technical issues of stating overcomes deficiency in the prior art, and the present invention provides one kind can the smooth input current type pulse power.
Technical solution used by the present invention solves the above problems is: this can the smooth input current type pulse power, it is special
Sign is, including PFC module, for converting 270V DC voltage for three-phase alternating current, while having drop angle under power rise
Rate control function, the curent change slope of limiting AC side；Two-way DC/DC power supply handles output work as energy-storage units
Flutter component in rate, it is a high position that the voltage of storage capacitor is maintained when output power is less than mean power, when pulse power is big
The energy of storage capacitor is discharged on 270V dc bus when mean power；And storage capacitor Cb, with two-way DC/DC
Power sources in parallel connection, the inductive current i of two-way DC/DC power supply is made by controllingbTrack load current ioIn flutter component.
Further, the two-way DC/DC power supply uses Buck/Boost reversible transducer, Buck/Boost two-way changing
The inductance L of device is connected in the output end of PFC module, and input voltage is the output voltage Vo of the pulse power.
Further, the inductive current i of the two-way DC/DC power supplybFlutter component needed for load current is provided,
That is:
Wherein: Ip is negative set current pulse value, and Dp is load pulse duty factor, and Tp is the pulse period；
Pulsating power handled by two-way DC/DC power supply, storage capacitor Cb are as follows:
Within a pulse period, within [0, the t] period, two-way DC/DC power supply, storage capacitor voltage from Vcb
Max drops to Vcb (t), the energy of storage capacitor release are as follows:
The energy of storage capacitor release are as follows:
As t=DpTp, the minimum value of storage capacitor voltage are as follows:
The volume and weight of power supply is reduced to reduce capacitance by increasing storage capacitor Cb mains ripple.
Compared with prior art, the invention has the following advantages:
Based on three-phase active capability correction technology, the bidirectional energy-storage pulse power is constructed, using bi-directional power in system
Energy-storage units externally discharge when power amplifier works, and make up generator responds deficiency when pulse power rises, prevent generator voltage from falling
It falls；It charges when power amplifier pulse stops working to energy-storage units, generator excess energy is stored, prevents generator voltage from increasing,
By Software match working sequence, so that effective solution aircraft generator modulates imbalance；And by increasing storage capacitor
Cb mains ripple reduces the volume and weight of power supply to reduce capacitance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structure composition schematic diagram of the invention.
Fig. 2 is the principle of the present invention block diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1.
Referring to Fig. 1 to Fig. 2, in the embodiment of the present invention can the smooth input current type pulse power, including PFC module uses
In converting 270V DC voltage for three-phase alternating current, while there is power rise descending slope control function, limiting AC side
Curent change slope；Two-way DC/DC power supply, the flutter component in output power is handled as energy-storage units, works as output
Power maintains the voltage of storage capacitor when being less than mean power be a high position, when pulse power is greater than mean power by storage capacitor
Energy be discharged on 270V dc bus；And storage capacitor Cb, it is connect with two-way DC/DC power sources in parallel, passes through control
Make the inductive current i of two-way DC/DC power supplybTrack load current ioIn flutter component.
Two-way DC/DC power supply in the embodiment of the present invention uses Buck/Boost reversible transducer, and Buck/Boost is two-way
The inductance L of converter is connected in the output end of PFC module, and input voltage is the output voltage Vo of the pulse power.
The inductive current i of two-way DC/DC power supply in the embodiment of the present inventionbPulsation point needed for load current is provided
Amount, it may be assumed that
Wherein: Ip is negative set current pulse value, and Dp is load pulse duty factor, and Tp is the pulse period；
Pulsating power handled by two-way DC/DC power supply, storage capacitor Cb are as follows:
Within a pulse period, within [0, the t] period, two-way DC/DC power supply, storage capacitor voltage from Vcb
Max drops to Vcb (t), the energy of storage capacitor release are as follows:
The energy of storage capacitor release are as follows:
As t=DpTp, the minimum value of storage capacitor voltage are as follows:
The embodiment of the present invention reduces the body of power supply to reduce capacitance by increasing storage capacitor Cb mains ripple
Long-pending and weight.
The embodiment of the present invention can the main indicator of the smooth input current type pulse power include:
Input voltage range: three-phase and four-line voltage rating 115VAC；108VAC~118VAC；
Input frequency range: 400Hz ± 10%；
Output voltage: 270V ± 5%；
Output power: 10kW；
Input power factor: > 0.98；
Input harmonic current THD:< 5%；
Average efficiency: > 97%；
Output power pooling feature: when output power 100%≤> 0% Spline smoothing, input current changes slope <
20%/mS.
The use environment of the embodiment of the present invention:
Operating temperature: -55 DEG C~+70 DEG C；
Storage temperature: -55 DEG C~+70 DEG C；
Relative humidity :≤95% (at+30 DEG C)；
Vibration: vibration resistance of product under the conditions of transport and use environment meets the requirement of GJB150.16A；
Impact: the ability that product absorbs impact effect meets the requirement of GJB150.18A.
It should be pointed out that being above schematical by the detailed description that preferred embodiment carries out technical solution of the present invention
And not restrictive.Those skilled in the art can be to recorded in embodiment on the basis of reading description of the invention
Technical solution modify or equivalent replacement of some of the technical features, and these are modified or replaceed, not
The essence of corresponding technical solution is set to be detached from the range of technical solution of the embodiment of the present invention.
Claims (3)
1. one kind can the smooth input current type pulse power, which is characterized in that including
PFC module for converting 270V DC voltage for three-phase alternating current, while there is power rise descending slope to control function
Can, the curent change slope of limiting AC side；
Two-way DC/DC power supply, the flutter component in output power is handled as energy-storage units, when output power is less than averagely
The voltage that storage capacitor is maintained when power is a high position, is discharged into the energy of storage capacitor when pulse power is greater than mean power
On 270V dc bus；And
Storage capacitor Cb is connect with two-way DC/DC power sources in parallel, and the inductive current i of two-way DC/DC power supply is made by controllingbWith
Track load current ioIn flutter component.
2. one kind according to claim 1 can the smooth input current type pulse power, it is characterised in that: the two-way DC/
DC power supply uses Buck/Boost reversible transducer, and the inductance L of Buck/Boost reversible transducer is connected in the output of PFC module
End, input voltage are the output voltage Vo of the pulse power.
3. one kind according to claim 1 or 2 can the smooth input current type pulse power, it is characterised in that: described two-way
The inductive current i of DC/DC power supplybFlutter component needed for load current is provided, it may be assumed that
Wherein: Ip is negative set current pulse value, and Dp is load pulse duty factor, and Tp is the pulse period；
Pulsating power handled by two-way DC/DC power supply, storage capacitor Cb are as follows:
Within a pulse period, within [0, the t] period, two-way DC/DC power supply, storage capacitor voltage under Vcb max
Drop to Vcb (t), the energy of storage capacitor release are as follows:
The energy of storage capacitor release are as follows:
As t=DpTp, the minimum value of storage capacitor voltage are as follows:
The volume and weight of power supply is reduced to reduce capacitance by increasing storage capacitor Cb mains ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811200853.4A CN109104116A (en) | 2018-10-16 | 2018-10-16 | One kind can the smooth input current type pulse power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811200853.4A CN109104116A (en) | 2018-10-16 | 2018-10-16 | One kind can the smooth input current type pulse power |
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| Publication Number | Publication Date |
|---|---|
| CN109104116A true CN109104116A (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811200853.4A Pending CN109104116A (en) | 2018-10-16 | 2018-10-16 | One kind can the smooth input current type pulse power |
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| Country | Link |
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| CN (1) | CN109104116A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968453A (en) * | 2021-01-25 | 2021-06-15 | 中国电子科技集团公司第二十九研究所 | Method for matching large dynamic load change through BUCK energy storage circuit |
| CN114844188A (en) * | 2022-03-25 | 2022-08-02 | 中国电子科技集团公司第二十九研究所 | BOOST energy storage circuit matched with dynamic load change circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346684A (en) * | 2013-07-18 | 2013-10-09 | 南京理工大学 | Alternating current/direct current (AC/DC) converter adopting active energy-storage capacitance converter |
| CN108377102A (en) * | 2018-03-30 | 2018-08-07 | 南京航空航天大学 | A method of reducing capacitance in monophasic pulses if load AC-DC power supplys |
| 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 |
| CN208797851U (en) * | 2018-10-16 | 2019-04-26 | 浙江嘉科电子有限公司 | It can the smooth input current type pulse power |
-
2018
- 2018-10-16 CN CN201811200853.4A patent/CN109104116A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346684A (en) * | 2013-07-18 | 2013-10-09 | 南京理工大学 | Alternating current/direct current (AC/DC) converter adopting active energy-storage capacitance converter |
| CN108377102A (en) * | 2018-03-30 | 2018-08-07 | 南京航空航天大学 | A method of reducing capacitance in monophasic pulses if load AC-DC power supplys |
| 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 |
| CN208797851U (en) * | 2018-10-16 | 2019-04-26 | 浙江嘉科电子有限公司 | It can the smooth input current type pulse power |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968453A (en) * | 2021-01-25 | 2021-06-15 | 中国电子科技集团公司第二十九研究所 | Method for matching large dynamic load change through BUCK energy storage circuit |
| CN112968453B (en) * | 2021-01-25 | 2023-05-12 | 中国电子科技集团公司第二十九研究所 | Method for matching large dynamic load change through BUCK energy storage circuit |
| CN114844188A (en) * | 2022-03-25 | 2022-08-02 | 中国电子科技集团公司第二十九研究所 | BOOST energy storage circuit matched with dynamic load change circuit |
| CN114844188B (en) * | 2022-03-25 | 2024-02-02 | 中国电子科技集团公司第二十九研究所 | Circuit for matching dynamic load change of BOOST energy storage circuit |
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Application publication date: 20181228 |