CN106385171A - Interleaved parallel three-phase PFC circuit - Google Patents
Interleaved parallel three-phase PFC circuit Download PDFInfo
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- CN106385171A CN106385171A CN201610874947.4A CN201610874947A CN106385171A CN 106385171 A CN106385171 A CN 106385171A CN 201610874947 A CN201610874947 A CN 201610874947A CN 106385171 A CN106385171 A CN 106385171A
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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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4266—Arrangements for improving power factor of AC input using passive 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- 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
-
- 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
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- 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
- H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses an interleaved parallel three-phase PFC circuit comprising a converter circuit and an input inductive circuit. The converter circuit comprises first and second Vienna converters. The three phases of input of the first Vienna converter are respectively connected with the three phases of input of the second Vienna converter. The three levels of output of the first Vienna converter are respectively connected with the three levels of output of the second Vienna converter and connected with the midpoint of an output capacitor. The input inductive circuit comprises three inductors which are respectively connected in series between the A, B and C phases of output ends of an AC power supply and the three phases of input ends of the converter circuit. Compared with the circuits in the prior art, the input inductive circuit is additionally arranged so that the input and output current ripple is enabled to be lower; besides, current equalization can be realized under the effect of the input inductive circuit when the component properties of the two interleaved parallel Vienna converter circuits are largely different so that standard exceeding of device thermal stress caused by uneven heating of branch devices and overcurrent protection triggered by uneven branch current can be prevented, and the circuit is enabled to normally work.
Description
Technical field
The present invention relates to power-switching circuit field, relate more specifically to a kind of crisscross parallel three-phase pfc circuit.
Background technology
Developing rapidly with Power Electronic Technique, PFC is widely studied, current Single-phase PFC technology base
Originally tend to ripe, and be widely used in many power electronic equipments such as all kinds of Switching Power Supplies.Simultaneously with modern power supply system
The requirement of the three-phase alternating current input equipment to electrical network for the system improves, and three-phase PFC technology also gradually receives significant attention, and is extensively ground
Study carefully.
As shown in figure 1, crisscross parallel three-phase pfc circuit of the prior art adopts two Vienna converters in parallel, reach
To the mesh reducing stress.Although this method decreases input and output current ripples to a certain extent, easily occur different
The current unevenness that the device deviation on road is brought, ultimately results in device and causes because of current unevenness heating uneven, thus trigger protection,
Even damage, the normal work of impact circuit.
In consideration of it, being necessary to provide a kind of crisscross parallel reducing input and output current ripples and improving circuit current sharing energy
Three-phase pfc circuit.
Content of the invention
The technical problem to be solved is to provide a kind of to reduce input and output current ripples and improve circuit and all flow
The crisscross parallel three-phase pfc circuit of performance.
In order to solve the above problems, the present invention provide a kind of crisscross parallel three-phase pfc circuit, it include converter circuit and
Input inductive circuit, described converter circuit includes a Vienna converter and the 2nd Vienna converter, a Vienna
Converter and the 2nd Vienna converter are all three-phase three-switch three-level PFC structures, the three of a described Vienna converter
The mutually input described three-phase input connecting the 2nd Vienna converter respectively, three level outputs of a described Vienna converter
Connect three level outputs of described 2nd Vienna converter respectively, and connect to output capacitance midpoint, described input inductance electricity
Road includes the first inductance, the second inductance and the 3rd inductance, and described first inductance, the second inductance and the 3rd inductance are connected respectively
Between A, B, C three-phase output end and the three-phase input end of described converter circuit of AC power.The present invention with existing
The circuit comprising Vienna converter is compared, and increased input inductive circuit so that input and output current ripples are less, and works as two
When the components and parts attribute deviation of the Vienna converter circuit of individual crisscross parallel is big, can in the presence of described input inductive circuit
Realize all flowing, prevent from, because of branch road device heating inequality, causing device thermal stress exceeded, and branch current uneven triggering excessively stream is protected
Shield, enables the circuitry to normal work.
Its further technical scheme is:Described crisscross parallel three-phase pfc circuit also includes an EMI filter circuit, described EMI
Filter circuit includes the first electric capacity, the second electric capacity and the 3rd electric capacity, and described first electric capacity, the second electric capacity and the 3rd electric capacity divide
It is not parallel between A, B, C three-phase output end of described AC power and the output capacitance midpoint of described converter circuit.This electricity
The common port of electric capacity that three Y types in parallel that road increases connect is connected with described output capacitance midpoint so that whole circuit
Common mode noise has the passage of bypass, is greatly reduced common mode noise, beneficial to suppression electromagnetic interference, improves circuit reliability.
Its further technical scheme is:The circuit of a described Vienna converter include the 4th inductance, the 6th inductance,
Eight inductance, the first diode, the second diode, the 5th diode, the 6th diode, the 9th diode, the tenth diode, first
Two-way switch, the 3rd two-way switch, the 5th two-way switch and the 4th electric capacity and the 5th electric capacity;Wherein, described 4th electric capacity
Anode connect to described crisscross parallel three-phase pfc circuit output just, the negative electrode of described 5th electric capacity connect to described staggered simultaneously
The output of connection three-phase pfc circuit is born, and the negative electrode of described 4th electric capacity is connected with the anode of the 5th electric capacity, and this tie point is described defeated
Go out electric capacity midpoint;The input of described 4th inductance connects the output end of described first inductance, and its output end connects described first
The input of two-way switch, the output end of this first two-way switch connects described output capacitance midpoint;Described first diode
The negative pole of positive pole and the second diode is all connected to the connecting node of described 4th inductance and the first two-way switch, and the described 1st
The negative pole of pole pipe to described output just connects, and the positive pole of described second diode connects to be born to described output;Described 6th inductance
Input be connected to the output end of described second inductance, its output end connect described 3rd two-way switch input, should
3rd two-way switch output end connect described output capacitance midpoint;The positive pole of described 5th diode and the 6th diode
Negative pole is all connected to the connecting node of described 6th inductance and the 3rd two-way switch, and the negative pole of described 5th diode connects to institute
Just state output, the positive pole of described 6th diode connects to be born to described output;The input of described 8th inductance is connected to described
The output end of the 3rd inductance, its output end connects the input of described 5th two-way switch, the output end of the 5th two-way switch
Connect described output capacitance midpoint;The described positive pole of the 9th diode and the negative pole of the tenth diode are all connected to described 8th electricity
Sense and the connecting node of the 5th two-way switch, the negative pole of described 9th diode to described output just connects, described 12nd pole
The positive pole of pipe connects negative to described output.
Its further technical scheme is:The circuit of described 2nd Vienna converter include the 5th inductance, the 7th inductance,
Nine inductance, the 3rd diode, the 4th diode, the 7th diode, the 8th diode, the 11st diode, the 12nd diode,
Second two-way switch, the 4th two-way switch and the 6th two-way switch;Wherein, the input of described 5th inductance connects described the
The output end of one inductance, its output end connect described second two-way switch input, the output end of this second two-way switch
Connect described output capacitance midpoint;The described positive pole of the 3rd diode and the negative pole of the 4th diode are all connected to described 5th electricity
Sense and the connecting node of the second two-way switch, the negative pole of described 3rd diode to described output just connects, described four or two pole
The positive pole of pipe connects negative to described output;The input of described 7th inductance is connected to the output end of described second inductance, and it is defeated
Go out the input that end connects described 4th two-way switch, the output end of the 4th two-way switch connects described output capacitance midpoint;
The described positive pole of the 7th diode and the negative pole of the 8th diode are all connected to the company of described 7th inductance and the 4th two-way switch
Connect node, the negative pole of described 7th diode to described output just connects, the positive pole of described 8th diode connects to described defeated
Go out negative;The input of described 9th inductance is connected to the output end of described 3rd inductance, and it is two-way that its output end connects the described 6th
The input of switch, the output end of the 6th two-way switch connects described output capacitance midpoint;Described 11st diode is just
The negative pole of pole and the 12nd diode is all connected to the connecting node of described 9th inductance and the 6th two-way switch, and the described 11st
The negative pole of diode to described output just connects, and the positive pole of described 12nd diode connects to be born to described output.
Its further technical scheme is:Described first two-way switch, the second two-way switch, the 3rd two-way switch, the 4th pair
It is composed in series to switch, the 5th two-way switch and the 6th two-way switch by two switching tubes.
Its further technical scheme is:Described switching tube selects MOSFET, IGBT or SiC power tube, to realize preferably
Circuit performance.
Compared with prior art, the crisscross parallel three-phase pfc circuit of the present invention increased input inductive circuit so that inputting
Output current ripple is less, and when the components and parts attribute deviation of the Vienna converter circuit of two crisscross parallels is big, in institute
Can achieve in the presence of stating input inductive circuit and all flow, prevent from, because of branch road device heating inequality, causing device thermal stress exceeded, with
And branch current uneven triggering overcurrent protection, enable the circuitry to normal work.
Accompanying drawing is combined by description below, invention will become more fully apparent, these accompanying drawings can be used for explaining the present invention's
Embodiment.
Brief description
Fig. 1 is the circuit diagram of existing crisscross parallel three-phase pfc circuit.
Fig. 2 is the circuit diagram of crisscross parallel three-phase pfc circuit first embodiment of the present invention.
Fig. 3 is the physical circuit figure of crisscross parallel three-phase pfc circuit first embodiment of the present invention.
Fig. 4 is the physical circuit figure of crisscross parallel three-phase pfc circuit second embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched
State.Obviously, embodiment explained below is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into the scope of protection of the invention.
With reference to Fig. 2 to Fig. 3, which show the first embodiment of the crisscross parallel three-phase pfc circuit of the present invention.The present invention's
Crisscross parallel three-phase pfc circuit 100 includes converter circuit 10 and input inductive circuit 20, and described converter circuit 10 includes the
One Vienna converter and the 2nd Vienna converter, a Vienna converter and the 2nd Vienna converter are all three-phases three
Switch three lever PFC structure, three-phase input described connection the 2nd Vienna converter respectively of a described Vienna converter
Three-phase input, a described Vienna converter three level output connect respectively described 2nd Vienna converter three electricity
Flat output, and connect to output capacitance midpoint.Described input inductive circuit 20 includes the first inductance L1, the second inductance L2 and the
Three inductance L3, described first inductance L1, the second inductance L2 and the 3rd inductance L3 are series at A, B, C three-phase of AC power respectively
Between the three-phase input end of output end and described converter circuit 10.The present invention and the existing electricity comprising Vienna converter
Road is compared, and increased input inductive circuit 20 so that input and output current ripples are less, and the Vienna when two crisscross parallels
When the components and parts attribute deviation of converter circuit is big, described input inductive circuit 20 in the presence of can achieve all flow, prevent because
Branch road device heating is uneven, causes device thermal stress exceeded, and branch current uneven triggering overcurrent protection, just enables the circuitry to
Often work.
With reference to Fig. 2, in some embodiments, such as the present embodiment, the circuit of a described Vienna converter includes the
Four inductance L4, the 6th inductance L6, the 8th inductance L8, the first diode D1, the second diode D2, the 5th diode D5, the six or two
Pole pipe D6, the 9th diode D9, the tenth diode D10, the first two-way switch S1, the 3rd two-way switch S3, the 5th two-way switch
S5 and the 4th electric capacity C4 and the 5th electric capacity C5;Wherein, the anode of described 4th electric capacity C4 connects to described crisscross parallel three-phase
Just, the negative electrode of described 5th electric capacity C5 connects to the output of described crisscross parallel three-phase pfc circuit 100 for the output of pfc circuit 100
Negative, the negative electrode of described 4th electric capacity C4 is connected with the anode of the 5th electric capacity C5, and this tie point is described output capacitance midpoint;Described
The input of the 4th inductance L4 connects the output end of described first inductance L1, and its output end connects described first two-way switch S1's
Input, the output end of this first two-way switch S1 connects described output capacitance midpoint;The positive pole of described first diode D1 and
The negative pole of the second diode D2 is all connected to the connecting node of described 4th inductance L4 and the first two-way switch S1, and the described 1st
The negative pole of pole pipe D1 to described output just connects, and the positive pole of described second diode D2 connects to be born to described output;Described 6th
The input of inductance L6 is connected to the output end of described second inductance L2, and its output end connects the defeated of described 3rd two-way switch S3
Enter end, the output end of the 3rd two-way switch S3 connects described output capacitance midpoint;The positive pole of described 5th diode D5 and
The negative pole of six diode D6 is all connected to the connecting node of described 6th inductance L6 and the 3rd two-way switch S3, described five or two pole
The negative pole of pipe D5 to described output just connects, and the positive pole of described 6th diode D6 connects to be born to described output;Described 8th electricity
The input of sense L8 is connected to the output end of described 3rd inductance L3, and its output end connects the input of described 5th two-way switch S5
End, the output end of the 5th two-way switch S5 connects described output capacitance midpoint;The positive pole and the tenth of described 9th diode D9
The negative pole of diode D10 is all connected to the connecting node of described 8th inductance L8 and the 5th two-way switch S5, described 9th 2 pole
The negative pole of pipe D9 to described output just connects, and the positive pole of described tenth diode D10 connects to be born to described output.
With continued reference to Fig. 2, in some embodiments, such as the present embodiment, the circuit bag of described 2nd Vienna converter
Include the 5th inductance L5, the 7th inductance L7, the 9th inductance L9, the 3rd diode D3, the 4th diode D4, the 7th diode D7,
Eight diode D8, the 11st diode D11, the 12nd diode D12, the second two-way switch S2, the 4th two-way switch S4 and
6th two-way switch S6;Wherein, the input of described 5th inductance L5 connects the output end of described first inductance L1, its output end
Connect the input of described second two-way switch S2, the output end of this second two-way switch S2 connects described output capacitance midpoint;
The described positive pole of the 3rd diode D3 and the negative pole of the 4th diode D4 are all connected to described 5th inductance L5 and the second two-way opened
Close the connecting node of S2, the negative pole of described 3rd diode D3 to described output just connects, the positive pole of described 4th diode D4
Connect negative to described output;The input of described 7th inductance L7 is connected to the output end of described second inductance L2, its output end
Connect the input of described 4th two-way switch S4, the output end of the 4th two-way switch S4 connects described output capacitance midpoint;
The described positive pole of the 7th diode D7 and the negative pole of the 8th diode D8 are all connected to described 7th inductance L7 and the 4th two-way opened
Close the connecting node of S4, the negative pole of described 7th diode D7 to described output just connects, the positive pole of described 8th diode D8
Connect negative to described output;The input of described 9th inductance L9 is connected to the output end of described 3rd inductance L3, its output end
Connect the input of described 6th two-way switch S6, the output end of the 6th two-way switch S6 connects described output capacitance midpoint;
The described positive pole of the 11st diode D11 and the negative pole of the 12nd diode D12 are all connected to described 9th inductance L9 and the 6th
The connecting node of two-way switch S6, the negative pole of described 11st diode D11 to described output just connects, described 12nd pole
The positive pole of pipe D12 connects negative to described output.
With reference to Fig. 3, in some embodiments, such as the present embodiment, six described two-way switch are by two switching tube strings
Joint group becomes, and wherein said first two-way switch S1 is composed in series by first switch pipe Q1 and second switch pipe Q2, described second pair
It is composed in series to switch S2 by the 3rd switching tube Q3 and the 4th switching tube Q4, described 3rd two-way switch S3 is by the 5th switching tube Q5
It is composed in series with the 6th switching tube Q6, the 4th two-way switch S4 is composed in series by the 7th switching tube Q7 and the 8th switching tube Q8, institute
State the 5th two-way switch S5 to be composed in series by the 9th switching tube Q9 and the tenth switching tube Q10, described 6th two-way switch S6 is by
11 switching tube Q11 and twelvemo are closed pipe Q12 and are composed in series.Preferably, described switching tube selects MOSFET, IGBT or SiC
Power tube, to realize more preferable circuit performance.
With reference to Fig. 4, which show the second embodiment of the crisscross parallel three-phase pfc circuit of the present invention.The present embodiment and
The difference of one embodiment is to increased an EMI filter circuit 30.Described EMI filter circuit 30 includes the first electric capacity
C1, the second electric capacity C2 and the 3rd electric capacity C3, described first electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3 are parallel to respectively
Between A, B, C three-phase output end of described AC power and the common ground terminal of described converter circuit 10.Remaining 26S Proteasome Structure and Function
All identical with first embodiment.The common port of electric capacity and described output capacitance that three Y types in parallel that this circuit increases connect
Midpoint connects so that the common mode noise of whole circuit has the passage of bypass, is greatly reduced common mode noise, beneficial to suppression electromagnetism
Interference, improves circuit reliability.
As described above, the crisscross parallel three-phase pfc circuit of the present invention increased input inductive circuit so that input and output are electric
Flow liner ripple is less, and when the components and parts attribute deviation of the Vienna converter circuit of two crisscross parallels is big, in described input
Can achieve in the presence of inductive circuit and all flow, prevent from, because of branch road device heating inequality, causing device thermal stress exceeded, and branch road
Current unevenness triggers overcurrent protection, enables the circuitry to normal work, significantly improves the stability of circuit.
Above in association with most preferred embodiment, invention has been described, but the invention is not limited in enforcement disclosed above
Example, and modification, the equivalent combinations that the various essence according to the present invention are carried out should be covered.
Claims (6)
1. a kind of crisscross parallel three-phase pfc circuit, it includes converter circuit, and described converter circuit includes a Vienna and becomes
Parallel operation and the 2nd Vienna converter, a Vienna converter and the 2nd Vienna converter are all three-phase three-switch three-level
PFC structure, the three-phase input of a Vienna converter connects the three-phase input of the 2nd Vienna converter respectively, and first
Three level outputs of Vienna converter connect three level outputs of the 2nd Vienna converter respectively, and connect to output capacitance
Midpoint it is characterised in that:
Also include inputting inductive circuit, described input inductive circuit includes the first inductance, the second inductance and the 3rd inductance, described
First inductance, the second inductance and the 3rd inductance are series at A, B, C three-phase output end of AC power and described converter respectively
Between the three-phase input end of circuit.
2. crisscross parallel three-phase pfc circuit as claimed in claim 1 it is characterised in that:Also include an EMI filter circuit, institute
State EMI filter circuit and include the first electric capacity, the second electric capacity and the 3rd electric capacity, described first electric capacity, the second electric capacity and the 3rd
Electric capacity be parallel to respectively A, B, C three-phase output end of described AC power and described converter circuit output capacitance midpoint it
Between.
3. crisscross parallel three-phase pfc circuit as claimed in claim 1 it is characterised in that:A described Vienna converter bag
Include the 4th inductance, the 6th inductance, the 8th inductance, the first diode, the second diode, the 5th diode, the 6th diode, the 9th
Diode, the tenth diode, the first two-way switch, the 3rd two-way switch, the 5th two-way switch and the 4th electric capacity and the 5th electricity
Hold;
Wherein, the anode of described 4th electric capacity connect to described crisscross parallel three-phase pfc circuit output just, described 5th electric capacity
Negative electrode connect and bear to the output of described crisscross parallel three-phase pfc circuit, the negative electrode of described 4th electric capacity and the sun of the 5th electric capacity
Extremely connected, this tie point is described output capacitance midpoint;
The input of described 4th inductance connects the output end of described first inductance, and its output end connects described first two-way switch
Input, the output end of this first two-way switch connects described output capacitance midpoint;The positive pole of described first diode and
The negative pole of two diodes is all connected to the connecting node of described 4th inductance and the first two-way switch, described first diode negative
Pole to described output just connects, and the positive pole of described second diode connects to be born to described output;
The input of described 6th inductance is connected to the output end of described second inductance, and its output end connects described 3rd two-way opened
Close input, the 3rd two-way switch output end connect described output capacitance midpoint;Described 5th diode is just
The negative pole of pole and the 6th diode is all connected to the connecting node of described 6th inductance and the 3rd two-way switch, described five or two pole
The negative pole of pipe to described output just connects, and the positive pole of described 6th diode connects to be born to described output;
The input of described 8th inductance is connected to the output end of described 3rd inductance, and its output end connects described 5th two-way opened
The input closing, the output end of the 5th two-way switch connects described output capacitance midpoint;The positive pole of described 9th diode and
The negative pole of the tenth diode is all connected to the connecting node of described 8th inductance and the 5th two-way switch, described 9th diode
Negative pole to described output just connects, and the positive pole of described tenth diode connects to be born to described output.
4. crisscross parallel three-phase pfc circuit as claimed in claim 3 it is characterised in that:Described 2nd Vienna converter bag
Include the 5th inductance, the 7th inductance, the 9th inductance, the 3rd diode, the 4th diode, the 7th diode, the 8th diode, the tenth
One diode, the 12nd diode, the second two-way switch, the 4th two-way switch and the 6th two-way switch;
Wherein, the input of described 5th inductance connects the output end of described first inductance, and its output end connects described second pair
To switch input, the output end of this second two-way switch connects described output capacitance midpoint;Described 3rd diode
The negative pole of positive pole and the 4th diode is all connected to the connecting node of described 5th inductance and the second two-way switch, and the described 3rd 2
The negative pole of pole pipe to described output just connects, and the positive pole of described 4th diode connects to be born to described output;
The input of described 7th inductance is connected to the output end of described second inductance, and its output end connects described 4th two-way opened
The input closing, the output end of the 4th two-way switch connects described output capacitance midpoint;The positive pole of described 7th diode and
The negative pole of the 8th diode is all connected to the connecting node of described 7th inductance and the 4th two-way switch, described 7th diode
Negative pole to described output just connects, and the positive pole of described 8th diode connects to be born to described output;
The input of described 9th inductance is connected to the output end of described 3rd inductance, and its output end connects described 6th two-way opened
The input closing, the output end of the 6th two-way switch connects described output capacitance midpoint;The positive pole of described 11st diode
It is all connected to the connecting node of described 9th inductance and the 6th two-way switch with the negative pole of the 12nd diode, the described 11st
The negative pole of pole pipe to described output just connects, and the positive pole of described 12nd diode connects to be born to described output.
5. crisscross parallel three-phase pfc circuit as claimed in claim 4 it is characterised in that:Described first two-way switch, second pair
To switch, the 3rd two-way switch, the 4th two-way switch, the 5th two-way switch and the 6th two-way switch by two switching tube strings
Joint group becomes.
6. crisscross parallel three-phase pfc circuit as claimed in claim 5 it is characterised in that:Described switching tube select MOSFET,
IGBT or SiC power tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610874947.4A CN106385171A (en) | 2016-09-30 | 2016-09-30 | Interleaved parallel three-phase PFC circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610874947.4A CN106385171A (en) | 2016-09-30 | 2016-09-30 | Interleaved parallel three-phase PFC circuit |
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CN107623436A (en) * | 2017-10-17 | 2018-01-23 | 西安麦格米特电气有限公司 | A kind of PFC supply units |
CN109004851A (en) * | 2018-08-08 | 2018-12-14 | 上海空间电源研究所 | A kind of space high-voltage high-frequency high-power alternating expression three-level PFC converter and method |
CN110504849A (en) * | 2019-09-16 | 2019-11-26 | 连云港杰瑞电子有限公司 | A kind of no differential mode inductance staggered-parallel-type Vienna rectifier and its control circuit |
CN112821747A (en) * | 2020-12-24 | 2021-05-18 | 深圳科士达科技股份有限公司 | Three-phase staggered parallel PFC circuit based on coupling inductor and control system |
CN117439429A (en) * | 2023-12-21 | 2024-01-23 | 广东省洛仑兹技术股份有限公司 | Control method of soft switch Vienna rectifying circuit and storage medium |
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CN107623436A (en) * | 2017-10-17 | 2018-01-23 | 西安麦格米特电气有限公司 | A kind of PFC supply units |
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CN109004851B (en) * | 2018-08-08 | 2020-01-31 | 上海空间电源研究所 | space high-voltage high-frequency high-power interleaved three-level PFC converter and method |
CN110504849A (en) * | 2019-09-16 | 2019-11-26 | 连云港杰瑞电子有限公司 | A kind of no differential mode inductance staggered-parallel-type Vienna rectifier and its control circuit |
CN110504849B (en) * | 2019-09-16 | 2021-06-15 | 连云港杰瑞电子有限公司 | Control circuit of differential-mode-free inductance staggered parallel Vienna rectifier |
CN112821747A (en) * | 2020-12-24 | 2021-05-18 | 深圳科士达科技股份有限公司 | Three-phase staggered parallel PFC circuit based on coupling inductor and control system |
CN112821747B (en) * | 2020-12-24 | 2022-06-21 | 深圳科士达科技股份有限公司 | Three-phase staggered parallel PFC circuit based on coupling inductor and control system |
CN117439429A (en) * | 2023-12-21 | 2024-01-23 | 广东省洛仑兹技术股份有限公司 | Control method of soft switch Vienna rectifying circuit and storage medium |
CN117439429B (en) * | 2023-12-21 | 2024-04-12 | 广东省洛仑兹技术股份有限公司 | Control method of soft switch Vienna rectifying circuit and storage medium |
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