CN106849683A - A kind of converter based on push-pull topology structure of input-series and output-parallel - Google Patents
A kind of converter based on push-pull topology structure of input-series and output-parallel Download PDFInfo
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- CN106849683A CN106849683A CN201710020410.6A CN201710020410A CN106849683A CN 106849683 A CN106849683 A CN 106849683A CN 201710020410 A CN201710020410 A CN 201710020410A CN 106849683 A CN106849683 A CN 106849683A
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- 238000001914 filtration Methods 0.000 claims abstract description 27
- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 16
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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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
- H02M3/22—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
- H02M3/337—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 in push-pull configuration
- H02M3/3372—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 in push-pull configuration of the parallel type
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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
- H02M3/22—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
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0077—Plural converter units whose outputs are connected in series
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of converter based on push-pull topology structure of input-series and output-parallel, including external dc voltage source, two power tubes, push-pull topology structure booster circuit and current rectifying and wave filtering circuits；External dc voltage source is made up of dc source with input filter capacitor, the positive pole of dc source connects the positive pole of input filter capacitor, negative pole connects the negative pole of input filter capacitor, the source electrode of power tube Q1 and Q2 connects the negative pole of dc source, push-pull topology structure booster circuit includes four road push-pull converters, the Same Name of Ends of the primary side of four road push-pull converters is all connected with the drain electrode of power tube Q1, the different name end of primary side is all connected with the drain electrode of power tube Q2, the secondary of four road push-pull converters is all connected with current rectifying and wave filtering circuit all the way, and output end is serially connected.The present invention replaces multiple switch pipe with 2 switching tubes, reduces the drive circuit of switching tube, reduces the loss of switching tube, improves the efficiency of converter.
Description
Technical field
The present invention relates to a kind of converter based on push-pull topology structure of input-series and output-parallel, belong to power supply
Technical field.
Background technology
The research to Buck, Buck-Boost type DC converting technology, has achieved significant achievement in research at present.
Buck types topology substantially belongs to the topology of step-down property, and the inversion of Large Copacity electric energy, is widely used in being especially used for realizing
Each industrial occasions, such as uninterrupted power source；Buck-Boost types topology substantially belongs to the topology of lifting/voltage reducing property, is suitable only for
For realizing the inversion of low capacity electric energy.But under occasion under some middle and high power and high voltage, Buck, Buck-Boost type
Topological structure cannot just meet requirement, particularly some low pressure and turn high pressure while needing the occasion that voltage is adjusted on a large scale.Low
Pressure turns high pressure occasion, while need the output voltage can be adjusted according to demand, DC converter switching tube and transformer
Larger electric current and voltage stress will be directly born, it is right if cost will be increased using Buck, Buck-Boos topological structure
The stabilization of the type selecting of period, transformer temperature rise, volume of transformer and system affects.In push-pull converter topology
Middle transformer has two power tubes, while having the two-way excitation of magnetic core of transformer, magnetic core utilization rate is high, switch tube voltage stress
It is the half of forward converter, switching tube can effectively slow down the converter brought by transformer magnetic saturation using FET
Damage, the magnetic reset circuit of forward converter can be saved using FET.Turn the occasion of high pressure in low pressure, while needing defeated
Go out the occasion that voltage can be adjusted according to demand, for traditional push-pull converter, single transformer will directly limit electricity
The temperature rise of single transformer and stability will be affected under pressure adjustable precision and high-pressure situations.
Similar to Combined vertical DC converter present on market, its topological structure is made up of multichannel push-pull converter, its
Primary side importation is in parallel, the separate control of switching tube, secondary series connection, then by rectification, filtering output.This converter by
In its switching tube be separately controlled, it is necessary to for each switching tube increase drive circuit, if there is N（N≥2）Road push-pull circuit group
Synthesis straight convertor, is now accomplished by 2N block switching tubes, while needing to increase 2N way switch tube drive circuits.Due to independent one
The PWW signals that individual push-pull converter needs two-way phase difference to be 180 degree carry out logic control, can thus increase control difficulty,
Cost can also be substantially increased, and be unfavorable for marketing, there is switching loss additionally, due to switching tube, so its own loss also will
It is multiplied, causes its efficiency to decline.
The content of the invention
The technical problems to be solved by the invention are the defects for overcoming prior art, there is provided a kind of input-series and output-parallel
The converter based on push-pull topology structure, by 2N switching tube with 2 switch in place, so will be under same power and defeated
Cost is reduced under going out voltage, reduces the drive circuit of switching tube, while reducing the output channel number of pwm signal.
In order to solve the above technical problems, the present invention provide a kind of input-series and output-parallel based on push-pull topology structure
Converter, including external dc voltage source, two power tubes, push-pull topology structure booster circuit and current rectifying and wave filtering circuits；It is described
Push-pull topology structure booster circuit includes four road push-pull converters, and the Same Name of Ends of the primary side of four road push-pull converters is all connected with power
The drain electrode of pipe Q1, the different name end of primary side is all connected with the drain electrode of power tube Q2, realizes the parallel connection of the primary side of four road push-pull converters；Institute
The secondary for stating four road push-pull converters is all connected with current rectifying and wave filtering circuit all the way, and the filter capacitor of four road current rectifying and wave filtering circuits is mutually gone here and there
Connection realizes the series connection of the secondary of four road push-pull converters.
Foregoing external dc voltage source is made up of dc source P with input filter capacitor Cin, the positive pole of dc source P
The positive pole of connection input filter capacitor Cin, the negative pole of the negative pole connection input filter capacitor Cin of dc source P.
The negative pole of the source electrode connection dc source P of foregoing power tube Q1, the source electrode connection direct current of the power tube Q2
The negative pole of source P.
3rd port of foregoing No. four push-pull transformers is connected to the positive pole of input filter capacitor Cin.
Foregoing current rectifying and wave filtering circuit is bridge rectifier filter circuit, including four diodes, a filter capacitor and
Individual filter inductance, wherein, after being joined end to end two-by-two in four diodes, negative electrode docking, anode docking, output end series filtering electricity
Sense and filter capacitor.
Resistance and electric capacity that one group foregoing of each diodes in parallel is in series.
Two foregoing power tubes are by the way that two amplitudes are equal, adjustable pulse width, the pwm pulse signal of the reverse 180 degree of phase
It is driven.
The beneficial effect that the present invention is reached：
The present invention replaces effective 2 switching tubes of conventional multiple switch, so will under same power and under output voltage into
Originally it is reduced, reduces the drive circuit of switching tube, while reducing the output channel number of pwm signal, only 2 road phase differences of need is
The pwm signal of 180 degree, reduces circuit control difficulty.Due to there was only 2 switching tubes, so the A.C.power loss of switching tube is also obtained
Reduce, improve the efficiency of converter.
Brief description of the drawings
Fig. 1 is the circuit diagram of the converter based on push-pull topology structure of input-series and output-parallel of the invention；
Fig. 2 is steady-state circuit figure when inverter power pipe Q1 conductings Q2 of the invention is turned off；
Fig. 3 is steady-state circuit figure when inverter power pipe Q2 conductings Q1 of the invention is turned off.
Specific embodiment
The invention will be further described below.Following examples are only used for clearly illustrating technical side of the invention
Case, and can not be limited the scope of the invention with this.
As shown in figure 1, the converter based on push-pull topology structure of input-series and output-parallel of the invention, including outside
Direct voltage source, two power tubes, push-pull topology structure booster circuit and current rectifying and wave filtering circuits.Specifically,
External dc voltage source is made up of dc source P with input filter capacitor Cin, the positive pole connection input filter of dc source P
The positive pole of ripple electric capacity, the negative pole of dc source P connects the negative pole of input filter capacitor.
Push-pull topology structure booster circuit includes four road push-pull converters, the Same Name of Ends of the primary side of four road push-pull converters
The drain electrode of power tube Q1 is all connected with, the different name end of primary side is all connected with the drain electrode of power tube Q2, realizes the original of four road push-pull converters
The parallel connection on side.
In first via push-pull converter, the Same Name of Ends of the drain electrode connection first via push-pull transformer TI primary sides of power tube Q1
P11 pins, the negative pole of the source electrode connection dc source P of power tube Q1, the drain electrode connection first via push-pull transformer of power tube Q2
The negative pole of the source electrode connection dc source P of the different name end P13 of TI primary sides, power tube Q2, the positive pole connection input filter of dc source P
The positive pole of ripple electric capacity, the P12 ports of first via push-pull transformer T1 are connected to the positive pole of input filter capacitor Cin.
In second road push-pull converter, the Same Name of Ends of drain electrode connection No. second push-pull transformer T2 primary sides of power tube Q1
P21 pins, the negative pole of the source electrode connection dc source P of power tube Q1, the drain electrode of power tube Q2 connects No. second push-pull transformer
The negative pole of the source electrode connection dc source P of the different name end P23 of T2 primary sides, power tube Q2, the positive pole connection input filter of dc source P
The positive pole of ripple electric capacity, the P22 ports of No. second push-pull transformer T2 are connected to the positive pole of input filter capacitor Cin.
In 3rd road push-pull converter, the Same Name of Ends of drain electrode connection No. threeth push-pull transformer T3 primary sides of power tube Q1
P31 pins, the negative pole of the source electrode connection dc source P of power tube Q1, the drain electrode of power tube Q2 connects No. threeth push-pull transformer
The negative pole of the source electrode connection dc source P of the different name end P33 of T3 primary sides, power tube Q2, the positive pole connection input filter of dc source P
The positive pole of ripple electric capacity, the P32 ports of No. threeth push-pull transformer T3 are connected to the positive pole of input filter capacitor Cin.
In 4th road push-pull converter, the Same Name of Ends of drain electrode connection No. fourth push-pull transformer T4 primary sides of power tube Q1
P41 pins, the negative pole of the source electrode connection dc source P of power tube Q1, the drain electrode of power tube Q2 connects No. fourth push-pull transformer
The negative pole of the source electrode connection dc source P of the different name end P43 of T4 primary sides, power tube Q2, the positive pole connection input filter of dc source P
The positive pole of ripple electric capacity, the P42 ports of No. fourth push-pull transformer T4 are connected to the positive pole of input filter capacitor Cin.
A current rectifying and wave filtering circuit is all connected with per road push-pull converter, four current rectifying and wave filtering circuits are identical and use
Bridge rectifier.
Commutation diode D1 anodes are connected to transformer T1 secondary different names in first via push-pull converter current rectifying and wave filtering circuit
End, diode D1 negative electrodes are connected to diode D2 negative electrodes, and diode D2 anodes are connected to diode D5 negative electrodes, diode D5 anodes
Diode D4 anodes are connected to, diode D4 negative electrodes are connected to diode D1 anodes, and electric capacity C1 is in series and in parallel with resistance R2
At diode D1 two ends, electric capacity C2 and resistance R3 is in series and is connected in parallel on diode D2 two ends, and electric capacity C5 is in series with resistance R6
And diode D5 two ends are connected in parallel on, electric capacity C4 and resistance R5 is in series and is connected in parallel on diode D4 two ends, and transformer T1 secondary is same
Name end is connected to the anode of D5, and one end of filter inductance L1 connects the negative electrode of diode D2, and the other end of filter inductance L1 connects
The positive pole of filter capacitor C3 is connected to, the negative pole of filter capacitor C3 is connected to the anode of diode D5.
Commutation diode D6 anodes are connected to transformer T2 secondary different names end, two in second road push-pull converter rectification circuit
Pole pipe D6 negative electrodes are connected to diode D7 negative electrodes, and diode D7 anodes are connected to diode D10 negative electrodes, and diode D10 anodes connect
Diode D9 anodes are connected to, diode D9 negative electrodes are connected to diode D6 anodes, and electric capacity C6 is in series and is connected in parallel on resistance R7
Diode D6 two ends, electric capacity C7 and resistance R8 is in series and is connected in parallel on diode D7 two ends, and electric capacity C11 is in series with resistance R10
And it is connected in parallel on diode D10 two ends, electric capacity C10 and resistance R9 is in series and is connected in parallel on diode D9 two ends, transformer T2 secondary
Same Name of Ends is connected to the anode of D10, and one end of filter inductance L3 connects the negative electrode of diode D7, the other end of filter inductance L3
The positive pole of filter capacitor C8 is connected to, the negative pole of filter capacitor C8 is connected to the anode of diode D10.
Commutation diode D11 anodes are connected to transformer T3 secondary different names end in 3rd road push-pull converter rectification circuit,
Diode D11 negative electrodes are connected to diode D12 negative electrodes, and diode D12 anodes are connected to diode D15 negative electrodes, diode D15 sun
Pole is connected to diode D14 anodes, and diode D14 negative electrodes are connected to diode D11 anodes, and electric capacity C12 is in series with resistance R11
And it is connected in parallel on diode D11 two ends, electric capacity C13 and resistance R12 is in series and is connected in parallel on diode D12 two ends, electric capacity C17 and electricity
Resistance R14 is in series and is connected in parallel on diode D15 two ends, and electric capacity C16 and resistance R13 is in series and is connected in parallel on diode D14 two ends,
Transformer T3 secondary Same Name of Ends is connected to the anode of D15, and one end of filter inductance L5 connects the negative electrode of diode D12, filtered electrical
The other end for feeling L3 is connected to the positive pole of filter capacitor C15, and the negative pole of filter capacitor C15 is connected to the anode of diode D15.
Commutation diode D16 anodes are connected to transformer T4 secondary different names end in 4th road push-pull converter rectification circuit,
Diode D16 negative electrodes are connected to diode D17 negative electrodes, and diode D17 anodes are connected to diode D20 negative electrodes, diode D20 sun
Pole is connected to diode D19 anodes, and diode D19 negative electrodes are connected to diode D16 anodes, and electric capacity C18 is in series with resistance R15
And it is connected in parallel on diode D16 two ends, electric capacity C19 and resistance R16 is in series and is connected in parallel on diode D17 two ends, electric capacity C23 and electricity
Resistance R18 is in series and is connected in parallel on diode D20 two ends, and electric capacity C22 and resistance R17 is in series and is connected in parallel on diode D19 two ends,
Transformer T4 secondary Same Name of Ends is connected to the anode of D20, and one end of filter inductance L7 connects the negative electrode of diode D17, filtered electrical
The other end for feeling L7 is connected to the positive pole of filter capacitor C20, and the negative pole of filter capacitor C20 is connected to the anode of diode D20.
Finally, filter capacitor C3 negative poles are connected to the positive pole of filter capacitor C8, and the negative pole of filter capacitor C8 is connected to C15's
Positive pole, the negative pole of filter capacitor C15 is connected to the positive pole of filter capacitor C20, realizes four series connection of the secondary of transformer.
The present invention at work, two power tube alternations, two power tubes need two, and amplitude is equal, pulsewidth can
Adjust, the pwm pulse signal of the reverse 180 degree of phase is driven.Four transformer primary sides are connected in parallel, and realize current distributing,
Realize that output voltage is divided equally simultaneously, while High voltage output is realized in transformer secondary series connection.
Stable state one, such as Fig. 2.When switching tube Q1 conductings and Q2 shut-offs, the voltage on transformer T1 primary side windings 3-2 is
VCC, its 3 end is for just, 2 ends are negative；Voltage on transformer T2 primary side windings 3-2 is VCC, and its 3 end is for just, 2 ends are negative；Transformation
Voltage on device T3 primary side windings 3-2 is VCC, and its 3 end is for just, 2 ends are negative；Voltage on transformer T4 primary side windings 3-2 is
VCC, its 3 end is for just, 2 ends are negative；Meanwhile, transformer T1 vice-side windings 9-10 senses voltage, and its 10 end is for just, 9 ends are negative.
According to polar relationship, now diode D1, D5 conductings, D2 and D4 ends, and inductance L1 flows into load with filtering to electric current after filtering
In electric capacity C3；Transformer T2 vice-side windings 9-10 senses voltage, and for just, 9 ends are negative at its 10 end, according to polar relationship, now
Diode D6, D10 are turned on, and D7 and D9 ends, and inductance L3 is flowed into load and filter capacitor C8 electric current after filtering；Transformer T3
Vice-side winding 9-10 senses voltage, and for just, 9 ends be negative at its 10 end, and according to polar relationship, now diode D11, D15 is turned on,
D12 and D14 ends, and inductance L5 is flowed into load and filter capacitor C15 electric current after filtering；Transformer T4 vice-side windings 9-10 feels
Voltage should be arrived, for just, 9 ends are negative, according to polar relationship, now diode D16, D20 conductings, D17 and D19 ends at its 10 end,
Inductance L7 is flowed into load and filter capacitor C20 electric current after filtering.
Stable state two, such as Fig. 3.When switching tube Q2 conductings and Q1 shut-offs, the voltage on transformer T1 primary side windings 4-5 is
VCC, its 4 end is for just, 5 ends are negative；Voltage on transformer T2 primary side windings 4-5 is VCC, and its 4 end is for just, 5 ends are negative；Transformation
Voltage on device T3 primary side windings 4-5 is VCC, and its 4 end is for just, 5 ends are negative；Voltage on transformer T4 primary side windings 4-5 is
VCC, its 4 end is for just, 5 ends are negative；Meanwhile, transformer T1 vice-side windings 9-10 senses voltage, and its 9 end is for just, 10 ends are negative.
According to polar relationship, now diode D2, D4 conductings, D1 and D5 ends, and inductance L1 flows into load with filtering to electric current after filtering
In electric capacity C3；Transformer T2 vice-side windings 9-10 senses voltage, and for just, 10 ends are negative at its 9 end, according to polar relationship, now
Diode D7, D9 are turned on, and D6 and D10 ends, and inductance L3 is flowed into load and filter capacitor C8 electric current after filtering；Transformer T3
Vice-side winding 9-10 senses voltage, and for just, 10 ends be negative at its 9 end, and according to polar relationship, now diode D12, D14 is turned on,
D11 and D15 ends, and inductance L5 is flowed into load and filter capacitor C15 electric current after filtering；Transformer T4 vice-side windings 9-10 feels
Voltage should be arrived, for just, 10 ends are negative, according to polar relationship, now diode D17, D19 conductings, D16 and D20 ends at its 9 end,
Inductance L7 is flowed into load and filter capacitor C20 electric current after filtering.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (7)
1. the converter based on push-pull topology structure of a kind of input-series and output-parallel, it is characterised in that including external dc
Voltage source, two power tubes, push-pull topology structure booster circuit and current rectifying and wave filtering circuits；The push-pull topology structure booster circuit
Including four road push-pull converters, the Same Name of Ends of the primary side of four road push-pull converters is all connected with the drain electrode of power tube Q1, primary side it is different
Name end is all connected with the drain electrode of power tube Q2, realizes the parallel connection of the primary side of four road push-pull converters；Four road push-pull converter
Secondary is all connected with current rectifying and wave filtering circuit all the way, and the filter capacitor of four road current rectifying and wave filtering circuits is serially connected realizes that conversion is recommended on four roads
The series connection of the secondary of device.
2. the converter based on push-pull topology structure of a kind of input-series and output-parallel according to claim 1, it is special
Levy and be, the external dc voltage source is made up of dc source P with input filter capacitor Cin, the positive pole connection of dc source P
The positive pole of input filter capacitor Cin, the negative pole of the negative pole connection input filter capacitor Cin of dc source P.
3. the converter based on push-pull topology structure of a kind of input-series and output-parallel according to claim 2, it is special
Levy and be, the negative pole of the source electrode connection dc source P of the power tube Q1, the source electrode connection dc source P of the power tube Q2
Negative pole.
4. the converter based on push-pull topology structure of a kind of input-series and output-parallel according to claim 2, it is special
Levy and be, the 3rd port of No. four push-pull transformer is connected to the positive pole of input filter capacitor Cin.
5. the converter based on push-pull topology structure of a kind of input-series and output-parallel according to claim 1, it is special
Levy and be, the current rectifying and wave filtering circuit is bridge rectifier filter circuit, including four diodes, a filter capacitor and a filter
Ripple inductance, wherein, after being joined end to end two-by-two in four diodes, negative electrode docking, anode docking, output end series filtering inductance and
Filter capacitor.
6. the converter based on push-pull topology structure of a kind of input-series and output-parallel according to claim 5, it is special
Levy and be, resistance and electric capacity that described one group of each diodes in parallel is in series.
7. the converter based on push-pull topology structure of a kind of input-series and output-parallel according to claim 1, it is special
Levy and be, described two power tubes are by the way that two amplitudes are equal, the pwm pulse signal of adjustable pulse width, the reverse 180 degree of phase is carried out
Drive.
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| CN108322058A (en) * | 2017-12-28 | 2018-07-24 | 武汉合康动力技术有限公司 | One kind is in parallel based on the input of push-pull topology structure, exports concatenated converter |
| CN108347175A (en) * | 2018-04-23 | 2018-07-31 | 顺德职业技术学院 | A kind of constant voltage outputting circuit of inverter |
| CN108365761A (en) * | 2018-04-23 | 2018-08-03 | 顺德职业技术学院 | A kind of DC constant pressures output translator |
| CN109818503A (en) * | 2017-11-22 | 2019-05-28 | 中兴通讯股份有限公司 | DC-DC converter and DC-DC converter control method |
| CN111345889A (en) * | 2020-03-30 | 2020-06-30 | 四川锦江电子科技有限公司 | Pulse generation circuit applied to pulsed electric field ablation technology and control method |
| EP3719987A4 (en) * | 2017-11-29 | 2021-01-13 | Suzhou Powersite Electric Co., Ltd. | Pulse voltage generation device, method, and controller |
| CN112908653A (en) * | 2021-02-02 | 2021-06-04 | 浙江工业大学之江学院 | Distributed transformer and application circuit thereof |
| CN117277822A (en) * | 2023-11-20 | 2023-12-22 | 威胜能源技术股份有限公司 | Multi-output circuit for battery-changing cabinet and automatic current-sharing control method thereof |
| CN117650707A (en) * | 2024-01-30 | 2024-03-05 | 浙江亚能能源科技有限公司 | Rectifying circuit for serial-parallel multiple current output of high-frequency transformer |
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| CN108322058A (en) * | 2017-12-28 | 2018-07-24 | 武汉合康动力技术有限公司 | One kind is in parallel based on the input of push-pull topology structure, exports concatenated converter |
| CN108365761B (en) * | 2018-04-23 | 2023-07-14 | 顺德职业技术学院 | DC constant voltage output converter |
| CN108365761A (en) * | 2018-04-23 | 2018-08-03 | 顺德职业技术学院 | A kind of DC constant pressures output translator |
| CN108347175A (en) * | 2018-04-23 | 2018-07-31 | 顺德职业技术学院 | A kind of constant voltage outputting circuit of inverter |
| CN108347175B (en) * | 2018-04-23 | 2023-10-03 | 顺德职业技术学院 | Constant voltage output circuit of inverter power supply |
| CN111345889A (en) * | 2020-03-30 | 2020-06-30 | 四川锦江电子科技有限公司 | Pulse generation circuit applied to pulsed electric field ablation technology and control method |
| CN112908653A (en) * | 2021-02-02 | 2021-06-04 | 浙江工业大学之江学院 | Distributed transformer and application circuit thereof |
| CN112908653B (en) * | 2021-02-02 | 2021-11-09 | 浙江工业大学之江学院 | Distributed transformer and application circuit thereof |
| CN117277822A (en) * | 2023-11-20 | 2023-12-22 | 威胜能源技术股份有限公司 | Multi-output circuit for battery-changing cabinet and automatic current-sharing control method thereof |
| CN117277822B (en) * | 2023-11-20 | 2024-01-30 | 威胜能源技术股份有限公司 | Multi-output circuit for battery-changing cabinet and automatic current-sharing control method thereof |
| CN117650707A (en) * | 2024-01-30 | 2024-03-05 | 浙江亚能能源科技有限公司 | Rectifying circuit for serial-parallel multiple current output of high-frequency transformer |
| CN117650707B (en) * | 2024-01-30 | 2024-04-30 | 浙江亚能能源科技有限公司 | Rectifying circuit for serial-parallel multiple current output of high-frequency transformer |
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