CN209419487U - A kind of high-frequency isolation high power DC converter topology structure - Google Patents
A kind of high-frequency isolation high power DC converter topology structure Download PDFInfo
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Abstract
The utility model discloses a kind of high-frequency isolation high power DC converter topology structure, which connects to realize multiple DC converter parallel connection inputs by multiple transformer secondary windings respectively, increases output power with this.Since each transformer parameter is identical, each vice-side winding the number of turns of each transformer is identical, therefore, the output electric current and output voltage of each transformer are all the same, the output power of each transformer is identical, it solves the problems, such as since each inductance capacitance combination submodule each parallel control loop power as caused by device parameters difference of inductance capacitance composite module is seriously unbalanced, simultaneously, the voltage and current for being input to each rectification submodule is also identical, solves pressure and the equal flow problem of multiple rectifier bridge series connection or the parallel connection of multiple rectifier bridges in rectification module.
Description
Technical field
The utility model relates to electronic circuit more particularly to a kind of high-frequency isolation high power DC converter topology structures.
Background technique
High-frequency isolation high power DC converter is always the hot spot of power electronics industry research, but due to by single power
The limitation of devices switch tube power grade, Yao Kaifa high-power high-frequency isolated DC converter must use more in many cases
A power switch tube is in parallel.But the switching tube of multiple parallel connections work under high frequency condition when, due to each power switch tube parameter
Difference, the driving of switching tube and equal flow problem can greatly influence product reliability in actual use.
Utility model content
The utility model main purpose is, provides a kind of high-frequency isolation high power DC converter topology structure, with solution
When the certainly existing DC converter using multiple power switch tube parallel connections is worked under high frequency condition, due to each power switch tube
The difference of parameter will lead to multiple unbalanced problems of DC converter power of input in parallel.
A kind of high-frequency isolation high power DC converter topology structure, including being sequentially connected the voltage source circuit connect, switch
Network, inductance capacitance composite module, transformer module, rectification module and filter module；
The switching network includes n switching circuit, and the inductance capacitance composite module includes n inductance capacitance group zygote
Module, the transformer module include n transformer, and the transformer includes a primary side winding and m vice-side winding, described
Rectification module includes w rectification submodule；Wherein:
K-th of switching circuit is connect with the voltage source circuit, the voltage chopping for exporting the voltage source circuit
Output is to k-th of inductance capacitance combination submodule, k-th of inductance capacitance combination submodule and k-th of transformer after becoming square wave
Primary side winding connection, h-th of vice-side winding of each transformer connect after being serially connected h-th rectify submodule input terminal,
It is connect after the w rectification submodule is in series or in parallel with each other with the filter module；
Wherein m, n, h, k, w are the natural number greater than 1；
The n transformer parameter is identical, and described m vice-side winding the number of turns is identical.
Preferably, wherein the value of m is 2 or 3, and the value of w is 2 or 3.
Preferably, the value that the value that wherein value of m is 3, n is 2, w is 3.
Preferably, the value that the value that wherein value of m is 2, n is 4, w is 4.
Preferably, wherein n is even number more than or equal to 4, and the voltage source circuit includes voltage source and by j polarity
Capacitor is serially connected the capacitor combination circuit to be formed,The capacitor combination circuit is in parallel with the voltage source；
2j-1 switching circuit and the 2j switching circuit are connected in parallel on the both ends of j-th of polar capacitor.
Preferably, wherein the voltage source is single phase passive circuit of power factor correction, single-phase active PFC
Circuit, three-phase passive power factor correcting circuit or three-phase active power factor correcting circuit.
Preferably, wherein the switching circuit is formed based on power semiconductor switch.
Preferably, wherein the power semiconductor switch is Metal-Oxide Semiconductor field effect transistor, insulated gate pair
Gated transistors, power transistor, isolated gate FET, gate level turn-off thyristor or thyristor.
Compared with prior art, high-frequency isolation high power DC converter topology structure provided by the utility model, the change
Parallel operation structure connects to realize multiple DC converter parallel connection inputs by multiple transformer secondary windings respectively, is increased with this defeated
Power out.Since each transformer parameter is identical, each vice-side winding the number of turns of each transformer is identical, therefore, each transformer it is defeated
Electric current and output voltage are all the same out, and the output power of each transformer is identical, solve due to each electricity of inductance capacitance composite module
Feel capacitor combination submodule each switching circuit power as caused by device parameters difference seriously unbalanced problem, meanwhile, it is defeated
The voltage entered to each rectification submodule is also identical, and it is in parallel to solve the series connection of multiple rectifier bridges or multiple rectifier bridges in rectification module
Pressure and equal flow problem.
Detailed description of the invention
Fig. 1 is the utility model high-frequency isolation high power DC converter topology structural circuit schematic diagram；
Fig. 2 is the utility model high-frequency isolation high power DC converter topology structural block diagram；
Fig. 3 a to Fig. 3 e is 5 kinds of electrical block diagrams of switching circuit；
Fig. 4 a to Fig. 4 h is the 8 of any combination of an inductance used by inductance capacitance combination submodule and a capacitor
Kind structural schematic diagram；
Fig. 5 a to Fig. 5 n is two inductance used by inductance capacitance combination submodule and an a capacitor either electricity
14 kinds of structural schematic diagrams of any combination of sense and two capacitors；
Fig. 6 be used by inductance capacitance combination submodule in four elements at least one inductance and capacitor it is each
The combined structural schematic diagram of kind；
Fig. 7 a to Fig. 7 b is coupling inductance used by inductance capacitance combination submodule and the series-parallel combination that capacitor carries out
Structural schematic diagram；
Fig. 8 a to Fig. 8 d is rectification 4 kinds of structural schematic diagrams of submodule；
Fig. 8 e to Fig. 8 l is 8 kinds of structural schematic diagrams for rectifying submodules comprising two and carrying out serial or parallel connection；
Fig. 9 a to Fig. 9 d is 4 kinds of structural schematic diagrams of filter module；
Figure 10 is the Multi-input parallel high-frequency isolation high power DC converter topology structure structure based on Fig. 2 extension
Functional block diagram schematic diagram；
Figure 11 is that two-way input is in parallel and transformer secondary three winding intersects concatenated high power DC converter topology knot
Structure schematic diagram；
Figure 12 is that two-way input is in parallel and the output of three tunnels rectifies concatenated high power DC converter topology structural schematic diagram；
Figure 13 is that four tunnels input and high power DC converter topology junction structure schematic diagram of connecting；
Figure 14 is the specific implementation circuit diagram of Figure 13 structure；
Figure 15 is multichannel input and concatenated high power DC converter topology structural representation based on Figure 13 structure extension
Figure；
Figure 16 is three Level Full Bridge parallel connection of the two-way input expanded based on Fig. 2 structure and output series connection high power DC transformation
Device topological structure schematic diagram；
Figure 17 is the three Level Full Bridge parallel connection input of two-way expanded based on Fig. 2 structure and output-parallel high power DC converts
Device topological structure schematic diagram；
Figure 18 is two-way input high-power isolated DC converter structural schematic diagram in parallel；
Figure 19 is DC converter basic functional principle block diagram；
Figure 20 is the simulation waveform schematic diagram of Figure 18 structure；
Figure 21 is the simulation waveform in Figure 18 structure under ± 5% maximum conditions of inductance LM1 and LM2 parameter error
Figure 22 is the simulation waveform in Figure 18 structure under ± 5% maximum conditions of inductance Lr1 and Lr2 parameter error.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail.
High-frequency isolation high power DC converter topology structure provided by the embodiment of the utility model, including be sequentially connected and connect
Voltage source circuit, switching network 1, inductance capacitance composite module 2, transformer module 3, rectification module 4 and filter module 5.
Switching network 1 includes n switching circuit 101, and inductance capacitance composite module 2 includes that n inductance capacitance combines submodule
Block 201, transformer module 3 include n transformer, and transformer includes a primary side winding and m vice-side winding, rectification module 4
Including w rectification submodule 401；Wherein:
K-th of switching circuit 101 is connect with voltage source circuit, the voltage chopping side of becoming for exporting voltage source circuit
Output combines submodule 201, k-th of inductance capacitance combination submodule 201 and k-th of transformer to k-th of inductance capacitance after wave
Primary side winding connection, h-th of vice-side winding of each transformer connect after being serially connected h-th rectify submodule 401 input
End is connect after w rectification submodule 401 is in series or in parallel with each other with filter module 5；Wherein m, n, h, k, w are oneself greater than 1
The value of so number, w and m can be equal or unequal；N transformer parameter is identical, and m vice-side winding the number of turns is identical.
In the high-frequency isolation high power DC converter topology structure:
Voltage source circuit provides energy for entire DC converter, and voltage source circuit can be single phase passive power factor school
Positive circuit, Single-Phase Active Power Factor Correction Circuit, three-phase passive power factor correcting circuit or three-phase active power factor school
Positive circuit or other kinds of pressure stabilizing source circuit.
Each switching circuit 101 is identical structure, identical parameters, each switching circuit 101 can be Fig. 3 a, Fig. 3 b, Fig. 3 c,
Any circuit structure in Fig. 3 d and Fig. 3 e, switching circuit 101 are formed based on power semiconductor switch, wherein power semiconductor
Switch can be Metal-Oxide Semiconductor field effect transistor (MOSFET), insulated gate bipolar transistor (IGBT), electric power
Transistor (GTR), isolated gate FET (PMOS), gate level turn-off thyristor (GTO) or thyristor (silicon-controlled) etc. other
Any one of power semiconductor switch of type.
It includes at least one capacitor element and at least one inductance component, inductance component that inductance capacitance, which combines submodule 201,
It can be coupling inductance.Inductance capacitance combination submodule 201 can be an inductance and an electricity listed in Fig. 4 a to Fig. 4 h
Any combination of appearance is also possible to any combination or an inductance of listed two inductance and a capacitor in Fig. 5 a to Fig. 5 n
With any combination of two capacitors, it is also possible in four elements shown in fig. 6 (each box represents an element) at least
Any combination of one inductance and a capacitor is also possible to string that coupling inductance shown in Fig. 7 a to Fig. 7 b and capacitor carry out simultaneously
Connection combination.More similar multiple inductance or coupling inductance and multiple capacitors are series-parallel, and arbitrarily put series-parallel position,
In scope of protection of the utility model.
Rectification submodule 401 can be any one circuit connection in Fig. 8 a to Fig. 8 d, and Fig. 8 e to Fig. 8 l is comprising two
A rectification submodule 401 and 8 kinds of structural circuit connection schematic diagrams for carrying out serial or parallel connection, rectification module 4 may include multiple
Any one circuit connection in Fig. 8 e to Fig. 8 l.Filter module 5 can be Fig. 9 a, Fig. 9 b, any one in Fig. 9 c and Fig. 9 d
Kind circuit connection.
The utility model advantage is, by taking Fig. 2 as an example, passes through the secondary side of the vice-side winding t12 and transformer T2 of transformer T1
Winding t22, which connects, is followed by the input terminal a and b of rectification module 4；The secondary side of the vice-side winding t13 and transformer T2 of transformer T1
Winding t23, which connects, is followed by the input terminal c and d of rectification module 4.Since transformer T1 is identical with T2 parameter, and transformation
The vice-side winding t22 of the vice-side winding t12 and transformer T2 of device T1 connect, so the electric current for flowing through t12 and t22 is identical；Due to
The vice-side winding t23 of the vice-side winding t13 and transformer T2 of transformer T1 connect, so the electric current for flowing through t13 and t23 is identical.
If winding t12 and t13 the number of turns is identical, and winding t22 and t23 the number of turns is identical, two, the secondary side winding t12 of transformer T1 and
T13 voltage is also identical, and two, secondary side winding t22 and the t23 voltage of transformer T2 is also identical, thus 4 input terminal a of rectification module and
The voltage at the both ends b is added the both end voltage of winding t22 by the both end voltage of winding t12,4 both ends input terminal c and d of rectification module
Voltage is added the both end voltage of winding t23, such a and b both end voltage and c and d both end voltage by the both end voltage of winding t13
Also identical.Therefore pressure and the equal flow problem of multiple rectifier bridge series connection or the parallel connection of multiple rectifier bridges in rectification module 4 are solved,
Since transformer T1 and transformer T2 output voltage are identical with electric current, so two transformer output powers are identical, solve in this way
Since the power of as caused by device parameters difference each switching circuit 101 in each inductance capacitance combination submodule 201 is serious
Unbalanced problem.
The functional block of Multi-input parallel high-frequency isolation high power DC converter topology structure structure based on Fig. 2 extension
Figure is as shown in Figure 10.In above structure, the value of m can be taken as 2 or 3, and the value of w is also taken as 2 or 3, i.e. transformer can be used with 2
A or 3 vice-side windings transformer；Alternatively, the value that the value that the value of m is 3, n is 2, w is 3, formed a kind of as shown in figure 11
Two-way input is in parallel and transformer secondary three winding intersects concatenated high power DC converter topology structure structure, when the structure
It is middle when each rectification submodule 401 is changed to series connection by parallel connection, it is formed that two-way input as shown in figure 12 is in parallel and three roads are defeated
Concatenated high power DC converter topology structure structure is rectified out；Alternatively, the value that the value for taking the value of m to be 2, n is 4, w is 4,
To form the DC converter of different types of structure.
N is also greater than or equal to 4 even number, at this point, voltage source circuit includes voltage source and mutual by j polar capacitor
The capacitor combination circuit that series connection is formed,Capacitor combination circuit is in parallel with voltage source；The 2j-1 101 He of switching circuit
The 2j switching circuit 101 is connected in parallel on the both ends of j-th of polar capacitor, to form a kind of multichannel input and concatenated high-power
DC converter topological structure structure.At this point, forming one kind, four tunnels input and connect big as shown in fig. 13 that when n value is 4
Power DC converter topological structure structure, the specific implementation circuit of Figure 13 structure is as shown in Figure 14.Figure 13 structure it is special it
It is in and is connected to the two sides input voltage source Uin after input capacitance C1 and capacitor C2 series connection, two of them switching circuit 101 is simultaneously
The both ends capacitor C1 are associated in, other two switching circuit 101 is connected in parallel on the both ends capacitor C2, x+ the and x- output end of rectification module 4 is simultaneously
It is associated in the input side of filter module 5.Each switching circuit 101 is identical circuit connection structure, be can be in Fig. 3 a~Fig. 3 e
Any circuit structure.Rectification module 4 can be any one circuit connection in Fig. 8 e~Fig. 8 l.Filter module 5 can be
Any one circuit connection in Fig. 9 a~Fig. 9 d.Multichannel input and concatenated high power DC based on Figure 13 structure extension become
Parallel operation topological structure structure is as shown in Figure 15.Three Level Full Bridge parallel connection of the two-way input and output series connection expanded based on Fig. 2 structure
High power DC converter topology structure structure is as shown in figure 16.The three Level Full Bridge parallel connection of two-way expanded based on Fig. 2 structure is defeated
Enter and output-parallel high power DC converter topology structure structure is as shown in figure 17.
For the input of the two-way shown in Figure 18 high-power isolated DC converter structure in parallel, the utility model work is introduced
Make principle: first via full bridge switching circuit 101 is made of S1, S2, S3 and S4；Lr1 is inductance；Lm1 is inductance；Cr1 is electricity
Hold.S1, S2, S3, S4, Lr1, Lm1 and Cr1 constitute first group of full bridge power translation circuit together.Second road full bridge switching circuit
101 are made of S5, S6, S7 and S8；Lr2 is inductance；Lm2 is inductance；Cr2 is capacitor.S5, S6, S7, S8, Lr2, Lm2 and Cr2
Second group of full bridge power translation circuit is constituted together.T1 and T2 is transformer, and the energy of primary side is passed through isolation boosting or decompression
Mode be transported to secondary side；D1, D2, D3, D4, D5, D6, D7, D8 are secondary side rectifier diode.Transformer T1 primary winding t11
It is connected in parallel on the both ends inductance Lm1 (it is integrated that transformer T1 primary winding t11 can carry out magnetic with inductance Lm1)；Transformer T2 is former
Side winding t21 is connected in parallel on the both ends inductance Lm2 (it is integrated that transformer T2 primary side winding t21 can carry out magnetic with inductance Lm2)；Become
The vice-side winding t22 of the vice-side winding t12 and transformer T2 of depressor T1, which connect, is followed by the input terminal a and b of rectification module 4；Become
The vice-side winding t23 of the vice-side winding t13 and transformer T2 of depressor T1, which connect, is followed by the input terminal c and d of rectification module 4.Two
Pole pipe D1, D2, D3, D4 form first group of full-bridge rectification submodule 401；It is whole that diode D5, D6, D7, D8 form second group of full-bridge
Flow submodule 401；The full-bridge rectification submodule 401 of D1, D2, D3, D4 composition and the full-bridge rectification submodule of D5, D6, D7, D8 composition
401 output end of block is cascaded.Since transformer T1 is identical with T2 parameter, and the vice-side winding t12 of transformer T1
It connects with the vice-side winding t22 of transformer T2, so the electric current for flowing through t12 and t22 is identical；Due to the vice-side winding of transformer T1
T13 connects with the vice-side winding t23 of transformer T2, so the electric current for flowing through t13 and t23 is identical.If winding t12 and t13 circle
Number is identical, and winding t22 and t23 the number of turns is identical, and two, secondary side winding t12 and the t13 voltage of transformer T1 is also identical, transformation
Two, secondary side winding t22 and the t23 voltage of device T2 is also identical, thus the voltage at the both ends input terminal a and b of rectification module 4 by around
The both end voltage of group t12 adds the both end voltage of winding t22, and the voltage at the both ends input terminal c and d of rectification module 4 is by winding t13
Both end voltage add winding t23 both end voltage, such a and b both end voltage and c and d both end voltage are also identical.Flow through first
The electric current of group full-bridge rectification submodule 401 is identical with the electric current for flowing through second group of full-bridge rectification submodule 401, and first group
The voltage VD5+VD6 at second group of 401 both ends of full-bridge rectification submodule voltage VD1+VD2=at 401 both ends of full-bridge rectification submodule,
Therefore pressure and the equal flow problem of multiple rectifier bridge series connection or the parallel connection of multiple rectifier bridges in rectification module 4 are solved, due to becoming
Depressor T1 and transformer T2 output voltage are identical with electric current, so two transformer output powers are identical, solve first in this way
Lr2, Lm2 in Lr1, Lm1, Cr1 and second inductance capacitance combination submodule 201 in a inductance capacitance combination submodule 201,
It switching circuit 101 that Cr2 is made of as caused by device parameters difference S1, S2, S3, S4 and is made of S5, S6, S7, S8
The serious unbalanced problem of the power of switching circuit 101.
The DC converter basic functional principle block diagram of the utility model can be indicated by Figure 19: switching network 1 is by voltage source
The voltage chopping of circuit output becomes square wave, carries out isolation transformation by inductance capacitance composite module 2 and transformer module 3, warp
Over commutation module 4 becomes DC pulse, then becomes stable DC supply load by filter module 5.
Figure 20 is the simulation waveform of Figure 18 structure, and simulation parameter design is as follows: input Uin is 400Vdc；Capacitor C1 is
1650uF；Inductance Lr1 and Lr2 are 13uH；Inductance Lm1 and Lm2 are 60uH；Capacitor Cr1 and Cr2 are 90nF；Transformer T1
Identical with T2, t11:t12:t13 no-load voltage ratio is 19:9:9, and t21:t22:t23 no-load voltage ratio is 19:9:9；Capacitor Co is 500uF；Load
Ro is 60 ohm；Switching frequency 108KHz.
In Figure 20: G1, G2, G3, G4 are the drive waveforms of switching tube S1, S2, S3, S4 respectively；G5, G6, G7, G8 difference
It is the drive waveforms of switching tube S5, S6, S7, S8.ILr1 is the current waveform of inductance Lr1；ILm1 is the current wave of inductance Lm1
Shape；ILr2 is the current waveform of inductance Lr2；ILm2 is the current waveform of inductance Lm2.Work as it can be seen from Figure 20 simulation result
When output voltage is 948V or so, the electric current ILr1 of two-way full-bridge is synchronous with ILr2 and amplitude is identical, electric current ILm1 and ILm2
Fully synchronized and amplitude is identical.Vo is the voltage waveform for loading the both ends Ro in figure；I (Ro) is the current waveform for flowing through load Ro.
Due to actual use in device parameter can not it is identical, customization device parameter requirements general control ±
5% error.Figure 21 and Figure 22 provides the simulation waveform under ± 5% maximum conditions of inductance Lr1 and Lr2 parameter error.Simulation parameter
Design as follows: input Uin is 400Vdc；Capacitor C1 is 1650uF；Inductance Lr1 parameter partially+5% is 13.65uH, Lr2 parameter
Partially -5% is 12.35uH；Inductance Lm1 and Lm2 are 60uH；Capacitor Cr1 and Cr2 are 90nF；Transformer T1 and T2 is identical, t11:
T12:t13 no-load voltage ratio is 19:9:9；Capacitor Co is 500uF；Loading Ro is 60 ohm；Switching frequency 108KHz.It is emulated and is tied by Figure 22
Fruit sees, the electric current ILr1 virtual value 22.331A of inductance Lr1；The electric current ILr2 virtual value 22.925A of inductance Lr2；ILr1 and
Virtual value deviation ± 1.31% of ILr2.The electric current ILm1 virtual value 10.344A of inductance Lm1；The electric current ILm2 of inductance Lm2 has
Valid value 10.676A.Virtual value deviation ± 1.58% of ILm1 and ILm2.The current waveform of diode D1, D2, D5, D6 are respectively I
(D1), I (D2), I (D5), I (D6) are found out, diode current is divided equally, and virtual value is all 14.173A by current waveform.Diode
D1 electric current I (D1) is identical with electric current I (D5) amplitude of diode D5, Phase synchronization, diode D2 electric current I (D2) and diode
D6 electric current I (D6) amplitude is identical, Phase synchronization.The voltage waveform of diode D1, D2, D5, D6 be respectively VD1, VD2, VD5,
The voltage VD5 amplitude of VD6, diode D1 voltage VD1 and diode D5 are identical, Phase synchronization, diode D2 voltage VD2 and two poles
Pipe D6 voltage VD6 amplitude is identical, Phase synchronization.Seen from the simulation results under the conditions of inductance Lr1 and Lr2 parameter error ± 5%, is led to
Crossing this patent utility model can be very good the current control of the inductance ILr1 and ILr2 of two-way full-bridge ± 1.31% or so,
It can be very good to realize the power equalization of two-way full-bridge circuit power device in this way, and exporting concatenated rectifier diode can be with
Realize electric current and electric voltage equalization.
Above-described embodiment is only preferred embodiment, the protection scope being not intended to limit the utility model, practical new at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the utility model within the spirit and principle of type
Within the scope of.
Claims (8)
1. a kind of high-frequency isolation high power DC converter topology structure, which is characterized in that including being sequentially connected the voltage source connect
Circuit, switching network, inductance capacitance composite module, transformer module, rectification module and filter module；
The switching network includes n switching circuit, and the inductance capacitance composite module includes n inductance capacitance combination submodule
Block, the transformer module include n transformer, and the transformer includes a primary side winding and m vice-side winding, described whole
Flow module includes w rectification submodule；Wherein:
K-th of switching circuit is connect with the voltage source circuit, and the voltage chopping for exporting the voltage source circuit becomes
Output combines submodule, the original of k-th inductance capacitance combination submodule and k-th of transformer to k-th of inductance capacitance after square wave
The connection of side winding, h-th of vice-side winding of each transformer connect the input terminal of h-th of rectification submodule, the w after being serially connected
It is connect after a rectification submodule is in series or in parallel with each other with the filter module；
Wherein m, n, h, k, w are the natural number greater than 1；
The n transformer parameter is identical, and described m vice-side winding the number of turns is identical.
2. high-frequency isolation high power DC converter topology structure as described in claim 1, which is characterized in that the value of m be 2 or
3, w value is 2 or 3.
3. high-frequency isolation high power DC converter topology structure as described in claim 1, which is characterized in that the value of m is 3, n
Value be 2, w value be 3.
4. high-frequency isolation high power DC converter topology structure as described in claim 1, which is characterized in that the value of m is 2, n
Value be 4, w value be 4.
5. high-frequency isolation high power DC converter topology structure as described in claim 1, which is characterized in that n be greater than or
Even number equal to 4, the voltage source circuit include the capacitor combination electricity that voltage source and being serially connected by j polar capacitor is formed
Road,The capacitor combination circuit is in parallel with the voltage source；
2j-1 switching circuit and the 2j switching circuit are connected in parallel on the both ends of j-th of polar capacitor.
6. high-frequency isolation high power DC converter topology structure as claimed in claim 5, which is characterized in that the voltage source
For single phase passive circuit of power factor correction, Single-Phase Active Power Factor Correction Circuit, three-phase passive power factor correcting circuit
Or three-phase active power factor correcting circuit.
7. high-frequency isolation high power DC converter topology structure as described in claim 1, which is characterized in that the switch electricity
Roadbed is formed in power semiconductor switch.
8. high-frequency isolation high power DC converter topology structure as claimed in claim 7, which is characterized in that the power half
Conductor switch is Metal-Oxide Semiconductor field effect transistor, insulated gate bipolar transistor, power transistor, insulated gate field
Effect pipe, gate level turn-off thyristor or thyristor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108768177A (en) * | 2018-06-11 | 2018-11-06 | 深圳市优优绿能电气有限公司 | A kind of high-frequency isolation high power DC converter topology structure |
| CN112491156A (en) * | 2020-11-13 | 2021-03-12 | 哈尔滨工业大学 | Multi-module SISO circuit topology and control method for receiving end of high-power dynamic wireless power supply system of electric automobile |
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| CN114825940A (en) * | 2022-04-11 | 2022-07-29 | 南京航空航天大学 | Multiphase input series output parallel double-active-bridge converter capable of automatically equalizing voltage |
| CN116581975A (en) * | 2023-07-12 | 2023-08-11 | 深圳达德航空科技有限公司 | Switching power supply circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108768177A (en) * | 2018-06-11 | 2018-11-06 | 深圳市优优绿能电气有限公司 | A kind of high-frequency isolation high power DC converter topology structure |
| CN112491156A (en) * | 2020-11-13 | 2021-03-12 | 哈尔滨工业大学 | Multi-module SISO circuit topology and control method for receiving end of high-power dynamic wireless power supply system of electric automobile |
| CN114825940A (en) * | 2022-04-11 | 2022-07-29 | 南京航空航天大学 | Multiphase input series output parallel double-active-bridge converter capable of automatically equalizing voltage |
| CN114825940B (en) * | 2022-04-11 | 2024-05-28 | 南京航空航天大学 | Multi-phase input series output parallel double-active-bridge converter capable of automatically equalizing voltage |
| CN114679044A (en) * | 2022-05-30 | 2022-06-28 | 七四九(南京)电子研究院有限公司 | Device for realizing module current sharing and bus voltage sharing and control method thereof |
| CN116581975A (en) * | 2023-07-12 | 2023-08-11 | 深圳达德航空科技有限公司 | Switching power supply circuit |
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