CN102545630A - Multi-module combined converter with recycling cross rectification function - Google Patents

Multi-module combined converter with recycling cross rectification function Download PDF

Info

Publication number
CN102545630A
CN102545630A CN2012100005928A CN201210000592A CN102545630A CN 102545630 A CN102545630 A CN 102545630A CN 2012100005928 A CN2012100005928 A CN 2012100005928A CN 201210000592 A CN201210000592 A CN 201210000592A CN 102545630 A CN102545630 A CN 102545630A
Authority
CN
China
Prior art keywords
full
module
circuit
bridge
diode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012100005928A
Other languages
Chinese (zh)
Other versions
CN102545630B (en
Inventor
石健将
罗劼
程娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University ZJU
Original Assignee
Zhejiang University ZJU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CN201210000592.8A priority Critical patent/CN102545630B/en
Publication of CN102545630A publication Critical patent/CN102545630A/en
Application granted granted Critical
Publication of CN102545630B publication Critical patent/CN102545630B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Dc-Dc Converters (AREA)

Abstract

The invention discloses a multi-module combined converter with a recycling cross rectification function. The multi-module combined converter comprises a plurality of modules which are connected together, wherein each module consists of a bridge-type circuit, a high-frequency isolation transformer, a rectification circuit and an inductor which are sequentially connected; and the input terminals of the bridge-type circuits in all the modules are connected in parallel, and the output terminals of the inductors are also connected in parallel. The input terminals and the output terminals of the plurality of modules of the combined converter can realize natural flow equalization without current sampling of the modular circuit and a flow equalization control ring, so that the control process is simplified, the reliability and the power density of the combined converter system are improved, and the cost is lowered.

Description

A kind of a plurality of module combinations converters of the intersection rectification that circulates
Technical field
The invention belongs to electric and electronic technical field, relate in particular to a kind of a plurality of DC converter modules parallel connection combined converters of the intersection rectification that circulates.
Background technology
Along with science and technology development, voltage, the current class of power-supply system significantly improve, and be also increasingly high to capacity, power density and the reliability requirement of power-supply system.The occasion lower at input and output voltage, that current class is bigger, (input-parallel-output-parallel, IPOP) compound mode has obtained using widely to import parallelly connected output-parallel.This connected mode has reduced the current stress of power switch pipe in power grade and the modular circuit of individual module, can select the switching tube of higher-frequency for use, reduces the EMI radiation of circuit.In addition, through staggered control the input and output ripple of each modular circuit is cancelled out each other, and then reduce the volume of respective filter.
But; Application scenario in a plurality of module parallel connections; Because the parameter difference of each module, possibly occur that the certain module output current is big, the certain module output current is little even not have the situation of output, the converter module of sharing more than the electric current is being born bigger current stress and thermal stress with respect to other module; Be out of order easily and aging, thereby reduced the reliability and the efficient of whole converter.Therefore consider that the current-sharing between each module of parallelly connected combined converter has very high importance.
Existing Current Sharing Technology has a variety of, mainly contains two big types of droop method and active current-equalizing methods.Especially active current-equalizing method has a lot of drawbacks: they need detect the electric current of each module, and the accuracy of sampling is very big to system's current-sharing influence, and the accuracy of sampling receives the influence in sample circuit element parasitic parameter and sample circuit life-span; The control mode that has needs current equalizing bus bar, and may make the whole system cisco unity malfunction in the current equalizing bus bar fault or when being interfered; Equalizing controller makes the controlling unit of whole system complicated, causes the Control System Design difficulty to strengthen.
Summary of the invention
The objective of the invention is to the deficiency to prior art, provide a kind of the circulation to intersect a plurality of module combinations converters of rectification, the present invention does not need blocks current is sampled or added flow equalizing ring and just can realize the parallelly connected natural current-sharing of multimode.
For realizing above-mentioned purpose; The technical scheme that the present invention taked is: a kind of a plurality of module combinations converters of the intersection rectification that circulates; It is connected to form by plurality of modules, and each module is connected to form by bridge circuit, high-frequency isolation transformer, rectification circuit and inductance successively; Parallel connection between the input of the bridge circuit of each module, the output parallel connection of each inductance.
Further, said bridge circuit is full-bridge bridge circuit or half-bridge bridge circuit.
Further, said bridge circuit is the full-bridge bridge circuit, and said converter also comprises a capacitance, and this capacitance is connected between the former limit of arbitrary brachium pontis of full-bridge bridge circuit and high-frequency isolation transformer.
Further, said rectification circuit is full bridge rectifier or full-wave rectifying circuit.
Further, said rectification circuit is a full bridge rectifier, and the former limit and the secondary of high-frequency isolation transformer are simplex winding, and this full bridge rectifier comprises four rectifier diode D 1a-D 1d, wherein, rectifier diode D 1aAnode and rectifier diode D 1cNegative electrode link to each other, constitute a brachium pontis, rectifier diode D 1bAnode and rectifier diode D 1dNegative electrode link to each other, constitute another brachium pontis, rectifier diode D 1cAnode and rectifier diode D 1dAnode link to each other and ground connection, the mid point of two brachium pontis connects the secondary of high-frequency isolation transformer, definition rectifier diode D 1aNegative electrode be first output port of full bridge rectifier, rectifier diode D 1bNegative electrode be second output port of full bridge rectifier; First output port of the full bridge rectifier of each module connects the inductance of this module; Second output port of the full bridge rectifier of each module connects the inductance of next module, and second output port of the full bridge rectifier of last module connects the inductance of first module.
Further, said rectification circuit is a full-wave rectifying circuit, the former limit simplex winding of high-frequency isolation transformer, and secondary double winding and band centre cap, this full-wave rectifying circuit comprises three diode D 11-D 13, diode D 11With diode D 12Anode connect the high-frequency isolation transformer secondary respectively, diode D 13Anode connect the centre cap and the ground connection of high-frequency isolation transformer, diode D 13Negative electrode meet diode D 11Negative electrode; Definition diode D 11Negative electrode be first output port of full-wave rectifying circuit, diode D 12Negative electrode be second output port of full-wave rectifying circuit; First output port of the full-wave rectifying circuit of each module connects the inductance of this module; Second output port of the full-wave rectifying circuit of each module connects the inductance of next module, and second output port of the full-wave rectifying circuit of last module connects the inductance of first module.
Compared with prior art, the invention has the beneficial effects as follows: a plurality of bridge converter parallel connections, can improve the whole system power grade, reduce the current stress of switching device in the modular circuit, be easy to realize high frequencyization.Compare with the parallelly connected bridge circuit of tradition, only changed the connected mode of transformer secondary rectifier diode, additional device is few; Utilize the circulation intersection rectification of module to come the inconsistent output inductor current unevenness weighing apparatus that causes of cancellation module parameter; Promptly utilize the brachium pontis electric capacity of half-bridge circuit or the capacitance of full-bridge circuit interpolation to come the dynamic adjustments rectifier output voltage, force two output inductor current-sharings.This combined converter is realized the nature current-sharing, need not carry out current sample to each modular circuit, need not add the sharing control ring, has greatly simplified control.Improve the power density and the reliability of combined converter, also reduced cost.
Description of drawings
Fig. 1 is the circuit theory diagrams of first kind of execution mode of combined converter of the present invention;
Fig. 2 is the circuit theory diagrams of second kind of execution mode of combined converter of the present invention;
Fig. 3 is the circuit theory diagrams of the third execution mode of combined converter of the present invention;
Fig. 4 is the circuit theory diagrams of the 4th kind of execution mode of combined converter of the present invention;
Fig. 5 is the driving sequential chart of combined converter of the present invention.
Embodiment
Describe the present invention in detail according to accompanying drawing and embodiment below, it is more obvious that the object of the invention and effect will become.
As shown in Figure 1, as first kind of execution mode of the present invention, the main circuit of combined converter comprises the half-bridge module circuit of three transformer secondary full-bridge circulation intersections rectification.Half-bridge bridge circuit Hp1, high-frequency isolation transformer T1 and full bridge rectifier re1 constitute first circuit module; Half-bridge bridge circuit Hp2, high-frequency isolation transformer T2 and full bridge rectifier re2 constitute second circuit module; Half-bridge bridge circuit Hp3, high-frequency isolation transformer T3 and full bridge rectifier re3 constitute the 3rd circuit module; The output circulation interconnection output inductor L1 of rectification circuit re1, re2, re3, L2, L3.Because the internal structure of three circuit modules is the same, in order to set forth conveniently, below only the internal structure of one of them circuit module is described:
Half-bridge circuit Hp1 is made up of switching tube Q11, Q12 and brachium pontis capacitor C 11, C12; Switching tube Q11, Q12 are Metal Oxide Silicon Field Effect Transistor (MOSFEET); Drain electrode is connected the top MOSFET source electrode of brachium pontis with bottom MOSFET, and promptly drain electrode links to each other the Q11 source electrode with Q12.Half-bridge capacitor C 11, C12 series connection, the C11 other end connects switching tube Q11 drain electrode, and as input anode, the C12 other end connects switching tube Q12 source electrode, as input cathode.The brachium pontis mid point that the brachium pontis mid point that switching tube is formed, brachium pontis electric capacity are formed extracts the output port as half-bridge circuit, is connected with the primary side end mouth of high-frequency isolation transformer T1 respectively.The former limit simplex winding of high-frequency isolation transformer T1 and secondary simplex winding.Full bridge rectifier re1 is made up of four brachium pontis diode D1a, D1b, D1c, D1d circuit: diode D1c negative electrode links to each other with diode D1a anode, and diode D1d negative electrode links to each other with diode D1b anode.The tie point of two groups of brachium pontis diodes is drawn the input port as full bridge rectifier re1; The negative electrode of D1a, D1b is respectively as two cathode output end mouths 1,2 of full bridge rectifier re1; The anode of D1c, D1d connects, and its tie point is as the cathode output end mouth of full bridge rectifier re1.The input port of full bridge rectifier re1 is connected with the secondary port of high-frequency isolation transformer T1.The cathode output end mouth 1 of full bridge rectifier re1 connects output inductor L1, and the cathode output end mouth 2 of full bridge rectifier re1 connects the output inductor L2 of second module.Transformer T1 is designated as port one with the port that the tie point of power switch pipe Q11 source electrode and power switch pipe Q12 drain electrode links to each other; Transformer T1 is designated as port 2 with the port that the anode tie point of diode D1c negative electrode and diode D1a links to each other, and then port one and port 2 are one group of end of the same name of transformer T1.
The grid of each power switch pipe and source electrode extract and connect drive signal.Power switch pipe Q11 uses drive signal 1; Power switch pipe Q12 uses drive signal 2, and power switch pipe Q21 uses drive signal 3, and power switch pipe Q22 uses drive signal 4; Power switch pipe Q31 uses drive signal 5, and power switch pipe Q32 uses drive signal 6.
As shown in Figure 2, as second kind of execution mode of the present invention, the main circuit of combined converter comprises the half-bridge module circuit of three transformer secondary all-wave circulation intersections rectification.Half-bridge bridge circuit Hp1, high-frequency isolation transformer T1 and full-wave rectifying circuit re1 constitute first circuit module; Half-bridge bridge circuit Hp2, high-frequency isolation transformer T2 and full-wave rectifying circuit re2 constitute second circuit module; Half-bridge bridge circuit Hp3, high-frequency isolation transformer T3 and full-wave rectifying circuit re3 constitute the 3rd circuit module; The output circulation of rectification circuit re1, re2, re3 cross-connects to output inductor L1, L2, L3.Because the internal structure of three circuit modules is the same, in order to set forth conveniently, below only the internal structure of one of them circuit module is described:
Half-bridge circuit Hp1 is made up of switching tube Q11, Q12 and brachium pontis capacitor C 11, C12; Switching tube Q11, Q12 are Metal Oxide Silicon Field Effect Transistor (MOSFEET); Drain electrode is connected the top MOSFET source electrode of brachium pontis with bottom MOSFET, and promptly drain electrode links to each other the Q11 source electrode with Q12.Half-bridge capacitor C 11, C12 series connection, the C11 other end connects switching tube Q11 drain electrode, and as input anode, the C12 other end connects switching tube Q12 source electrode, as input cathode.The brachium pontis mid point that the brachium pontis mid point that switching tube is formed, brachium pontis electric capacity are formed extracts the output port as half-bridge circuit, is connected with the primary side end mouth of high-frequency isolation transformer T1 respectively.The former limit simplex winding of high-frequency isolation transformer T1 and secondary double winding band centre cap.Full-wave rectifying circuit re1 is made up of two rectifier diodes: the anode of rectifier diode D11, D12 connects the secondary port of high-frequency isolation transformer respectively as the input port of rectification circuit.The anode of diode D13 connects the high-frequency isolation transformer centre cap, and the negative electrode of diode D13 connects the negative electrode of diode D11.As the cathode output end mouth 1,2 of full-wave rectifying circuit re1, the secondary centre cap of high-frequency isolation transformer T1 is as the cathode output end mouth of full-wave rectifying circuit re1 respectively for the negative electrode of rectifier diode D11, D12.The cathode output end mouth 1 of full-wave rectifying circuit re1 is connected to output inductor L1, and the cathode output end mouth 2 of full-wave rectifying circuit re1 is connected to the output inductor L2 of second module.High-frequency isolation transformer T1 is designated as port one with the port that the tie point of power switch pipe Q11 source electrode and power switch pipe Q12 drain electrode links to each other; High-frequency isolation transformer T1 is designated as port 2 with the port that diode D11 anode links to each other; High-frequency isolation transformer T1 is designated as port 3 with the port that diode D12 anode links to each other; Then port one and port 2 are one group of end of the same name of high-frequency isolation transformer T1, and port one and port 3 are one group of different name end of high-frequency isolation transformer T1.
The grid of each power switch pipe and source electrode extract and connect drive signal.Power switch pipe Q11 uses drive signal 1; Power switch pipe Q12 uses drive signal 2, and power switch pipe Q21 uses drive signal 3, and power switch pipe Q22 uses drive signal 4; Power switch pipe Q31 uses drive signal 5, and power switch pipe Q32 uses drive signal 6.
As shown in Figure 3, as the third execution mode of the present invention, the main circuit of combined converter comprises the full-bridge modular circuit of three transformer secondary full-bridge circulation intersections rectification.Full-bridge bridge circuit Hp1, capacitance C1, high-frequency isolation transformer T1 and full bridge rectifier re1 constitute first circuit module; Full-bridge bridge circuit Hp2, capacitance C2, high-frequency isolation transformer T2 and full bridge rectifier re2 constitute second circuit module; Full-bridge bridge circuit Hp3, capacitance C3, high-frequency isolation transformer T3 and full bridge rectifier re3 constitute the 3rd circuit module; The output circulation of rectification circuit re1, re2, re3 cross-connects to output inductor L1, L2, L3.Because the internal structure of three circuit modules is the same, in order to set forth conveniently, below only the internal structure of one of them circuit module is described:
Full-bridge circuit Hp1 is made up of switching tube Q11, Q12, Q13, Q14; Switching tube Q11, Q12, Q13, Q14 are Metal Oxide Silicon Field Effect Transistor (MOSFEET); Drain electrode is connected the top MOSFET source electrode of brachium pontis with bottom MOSFET; Being the Q11 source electrode, drain electrode links to each other with Q12, and the Q13 source electrode drains with Q14 and links to each other.The drain electrode of managing Q13, Q11 on the connection brachium pontis is as input anode, and the source electrode that connects pipe Q14, Q12 under the brachium pontis is as input cathode.The brachium pontis mid point of two groups of switching tube compositions is drawn the output port as full-bridge circuit.The former limit simplex winding of high-frequency isolation transformer T1 and secondary simplex winding.Full bridge rectifier re1 is made up of four brachium pontis diode D1a, D1b, D1c, D1d circuit: diode D1c negative electrode links to each other with diode D1a anode, and diode D1d negative electrode links to each other with diode D1b anode.The tie point of two groups of brachium pontis diodes is drawn the input port as full bridge rectifier re1; The negative electrode of D1a, D1b is respectively as two cathode output end mouths 1,2 of full bridge rectifier re1; The anode of D1c, D1d connects, and its tie point is as the cathode output end mouth of full bridge rectifier re1.The input port of full bridge rectifier re1 is connected with the secondary port of high-frequency isolation transformer T1.The cathode output end mouth 1 of full bridge rectifier re1 connects output inductor L1, and the cathode output end mouth 2 of full bridge rectifier re1 connects the output inductor L2 of second module.Transformer T1 is designated as port one with the port that the tie point of power switch pipe Q11 source electrode and power switch pipe Q12 drain electrode links to each other; Transformer T1 is designated as port 2 with the port that the anode tie point of diode D1c negative electrode and diode D1a links to each other, and then port one and port 2 are one group of end of the same name of transformer T1.
The grid of each power switch pipe and source electrode extract and connect drive signal.Power switch pipe Q11, power switch pipe Q14 common drive signal 1; Power switch pipe Q12, power switch pipe Q13 common drive signal 2; Power switch pipe Q21, power switch pipe Q24 common drive signal 3; Power switch pipe Q22, power switch pipe Q23 common drive signal 4, power switch pipe Q31, power switch pipe Q34 common drive signal 5, power switch pipe Q32, power switch pipe Q33 common drive signal 6.
As shown in Figure 4, as the 4th kind of execution mode of the present invention, the main circuit of combined converter comprises the full-bridge modular circuit of three transformer secondary all-wave circulation intersections rectification.Full-bridge bridge circuit Hp1, capacitance C1, the centre tapped high-frequency isolation transformer T1 of subcarrier band and full-wave rectifying circuit re1 constitute first circuit module; Full-bridge bridge circuit Hp2, capacitance C2, the centre tapped high-frequency isolation transformer T2 of subcarrier band and full-wave rectifying circuit re2 constitute second circuit module; Full-bridge bridge circuit Hp3, capacitance C3, the centre tapped high-frequency isolation transformer T3 of subcarrier band and full-wave rectifying circuit re3 constitute the 3rd circuit module; The output circulation of rectification circuit re1, re2, re3 cross-connects to output inductor L1, L2, L3.Because the internal structure of three circuit modules is the same, in order to set forth conveniently, below only the internal structure of one of them circuit module is described:
Full-bridge circuit Hp1 is made up of switching tube Q11, Q12, Q13, Q14; Switching tube Q11, Q12, Q13, Q14 are Metal Oxide Silicon Field Effect Transistor (MOSFEET); Drain electrode is connected the top MOSFET source electrode of brachium pontis with bottom MOSFET; Being the Q11 source electrode, drain electrode links to each other with Q12, and the Q13 source electrode drains with Q14 and links to each other.The drain electrode of managing Q13, Q11 on the connection brachium pontis is as input anode, and the source electrode that connects pipe Q14, Q12 under the brachium pontis is as input cathode.The brachium pontis mid point of two groups of switching tube compositions is drawn the output port as full-bridge circuit.The former limit simplex winding of high-frequency isolation transformer T1 and secondary double winding band centre cap.Be connected with the output port of full-bridge circuit Hp1 behind the primary side end mouth series connection capacitance C1 of high-frequency isolation transformer T1.Full-wave rectifying circuit re1 is made up of two rectifier diodes: the anode of rectifier diode D11, D12 connects the secondary port of high-frequency isolation transformer respectively as the input port of rectification circuit.The anode of diode D13 connects the high-frequency isolation transformer centre cap, and the negative electrode of diode D13 connects the negative electrode of diode D11.As the cathode output end mouth 1,2 of full-wave rectifying circuit re1, the secondary centre cap of high-frequency isolation transformer T1 is as the cathode output end mouth of full-wave rectifying circuit re1 respectively for the negative electrode of rectifier diode D11, D12.The cathode output end mouth 1 of full-wave rectifying circuit re1 is connected to output inductor L1, and the cathode output end mouth 2 of full-wave rectifying circuit re1 is connected to the output inductor L2 of second module.High-frequency isolation transformer T1 is designated as port one with the port that the tie point of power switch pipe Q11 source electrode and power switch pipe Q12 drain electrode links to each other; High-frequency isolation transformer T1 is designated as port 2 with the port that diode D11 anode links to each other; High-frequency isolation transformer T1 is designated as port 3 with the port that diode D12 anode links to each other; Then port one and port 2 are one group of end of the same name of high-frequency isolation transformer T1, and port one and port 3 are one group of different name end of high-frequency isolation transformer T1.
The grid of each power switch pipe and source electrode extract and connect drive signal.Power switch pipe Q11, power switch pipe Q14 common drive signal 1; Power switch pipe Q12, power switch pipe Q13 common drive signal 2; Power switch pipe Q21, power switch pipe Q24 common drive signal 3; Power switch pipe Q22, power switch pipe Q23 common drive signal 4, power switch pipe Q31, power switch pipe Q34 common drive signal 5, power switch pipe Q32, power switch pipe Q33 common drive signal 6.
More than power switch pipe in four kinds of execution modes be generally Metal Oxide Silicon Field Effect Transistor (Metal Oxide Semiconductor Field-effect Transistor; MOSFET) or insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT).Electric capacity in said first kind and the second kind of execution mode or for the polarity electrochemical capacitor being arranged or being polarity free capacitor or being used in combination for both.Said the third be polarity free capacitor with capacitance in the 4th kind of execution mode.
As shown in Figure 5, among the present invention, three circuit modules adopt common duty ratio control mode, use six drive signals altogether, are respectively drive signal 1, drive signal 2, drive signal 3, drive signal 4, drive signal 5, drive signal 6.Drive signal 1 and drive signal 2 staggered half switch periods, drive signal 3, drive signal 5 are identical with drive signal 1, and drive signal 4, drive signal 6 are identical with drive signal 2.The duty ratio that drive signal 1 arrives drive signal 6 is all less than 0.5.The co-ordination under above six drive signals of each power switch pipe adopting the natural current-sharing that realizes input and output under the circulation intersection rectification situation between each modular circuit, does not need the sharing control ring.
In the foregoing description; Number of modules is 3; But the present invention is not limited to this; When number of modules is N (N>3); N module imported the combined converter that parallelly connected output-parallel connects to form and can be adopted similar scheme to realize the natural current-sharing of input and output; Promptly n (1
Figure 2012100005928100002DEST_PATH_IMAGE001
n N) the rectification circuit anode output port 2 of individual module is connected to the output inductor Ln+1 of n+1 module, the rectification circuit anode output port 2 of N module is connected to the output inductor L1 of the 1st module.This scheme can effectively enlarge the output current grade of DC converter, and controlling Design is simple, and reliability is high.

Claims (6)

1. a plurality of module combinations converters of intersection rectification that circulate is characterized in that it is connected to form by plurality of modules, and each module is connected to form by bridge circuit, high-frequency isolation transformer, rectification circuit and inductance successively; Parallel connection between the input of the bridge circuit of each module, the output parallel connection of each inductance.
2. according to a plurality of module combinations converters of the said circulation intersection of claim 1 rectification, it is characterized in that said bridge circuit is full-bridge bridge circuit or half-bridge bridge circuit.
3. intersect a plurality of module combinations converters of rectification according to the said circulation of claim 2; It is characterized in that; Said bridge circuit is the full-bridge bridge circuit, and said converter also comprises a capacitance, and this capacitance is connected between the former limit of arbitrary brachium pontis of full-bridge bridge circuit and high-frequency isolation transformer.
4. according to a plurality of module combinations converters of the said circulation intersection of claim 1 rectification, it is characterized in that said rectification circuit is full bridge rectifier or full-wave rectifying circuit.
5. intersect a plurality of module combinations converters of rectification according to the said circulation of claim 4; It is characterized in that; Said rectification circuit is a full bridge rectifier, and the former limit and the secondary of high-frequency isolation transformer are simplex winding, and this full bridge rectifier comprises four rectifier diode D 1a-D 1d, wherein, rectifier diode D 1aAnode and rectifier diode D 1cNegative electrode link to each other, constitute a brachium pontis, rectifier diode D 1bAnode and rectifier diode D 1dNegative electrode link to each other, constitute another brachium pontis, rectifier diode D 1cAnode and rectifier diode D 1dAnode link to each other and ground connection, the mid point of two brachium pontis connects the secondary of high-frequency isolation transformer, definition rectifier diode D 1aNegative electrode be first output port of full bridge rectifier, rectifier diode D 1bNegative electrode be second output port of full bridge rectifier; First output port of the full bridge rectifier of each module connects the inductance of this module; Second output port of the full bridge rectifier of each module connects the inductance of next module, and second output port of the full bridge rectifier of last module connects the inductance of first module.
6. intersect a plurality of module combinations converters of rectification according to the said circulation of claim 4; It is characterized in that said rectification circuit is a full-wave rectifying circuit, the former limit simplex winding of high-frequency isolation transformer; Secondary double winding and band centre cap, this full-wave rectifying circuit comprises three diode D 11-D 13, diode D 11With diode D 12Anode connect the high-frequency isolation transformer secondary respectively, diode D 13Anode connect the centre cap and the ground connection of high-frequency isolation transformer, diode D 13Negative electrode meet diode D 11Negative electrode; Definition diode D 11Negative electrode be first output port of full-wave rectifying circuit, diode D 12Negative electrode be second output port of full-wave rectifying circuit; First output port of the full-wave rectifying circuit of each module connects the inductance of this module; Second output port of the full-wave rectifying circuit of each module connects the inductance of next module, and second output port of the full-wave rectifying circuit of last module connects the inductance of first module.
CN201210000592.8A 2012-01-04 2012-01-04 Multi-module combined converter with recycling cross rectification function Expired - Fee Related CN102545630B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210000592.8A CN102545630B (en) 2012-01-04 2012-01-04 Multi-module combined converter with recycling cross rectification function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210000592.8A CN102545630B (en) 2012-01-04 2012-01-04 Multi-module combined converter with recycling cross rectification function

Publications (2)

Publication Number Publication Date
CN102545630A true CN102545630A (en) 2012-07-04
CN102545630B CN102545630B (en) 2015-05-20

Family

ID=46351751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210000592.8A Expired - Fee Related CN102545630B (en) 2012-01-04 2012-01-04 Multi-module combined converter with recycling cross rectification function

Country Status (1)

Country Link
CN (1) CN102545630B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104578733A (en) * 2015-02-04 2015-04-29 四川英杰电气股份有限公司 Low ripple output method of tandem high-voltage DC power source
CN104993706A (en) * 2015-07-14 2015-10-21 山东大学 Two module DC-DC convertor parallel connection current-sharing control system and method
CN105553271A (en) * 2016-03-04 2016-05-04 盐城工学院 Control method of three-phase DC converter
CN108155815A (en) * 2017-12-18 2018-06-12 上海交通大学 Converter parallel current-equalizing circuit
CN109672340A (en) * 2017-10-17 2019-04-23 深圳市优优绿能电气有限公司 A kind of Multi-input parallel and the power inverter of multiple-channel output parallel connection
CN111464044A (en) * 2020-05-06 2020-07-28 阳光电源股份有限公司 Isolated power converter and hydrogen production system
WO2020194119A1 (en) * 2019-03-26 2020-10-01 International Business Machines Corporation Sharing redundant regulator phases within phase-redundant voltage regulator apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1370345A (en) * 2000-05-10 2002-09-18 索尼公司 Resonant switching power supply circuit with voltage double output
US20090290389A1 (en) * 2008-05-23 2009-11-26 Origin Electric Company, Limited Series resonant converter
CN101689809A (en) * 2007-07-18 2010-03-31 松下电器产业株式会社 Switching power supply device
CN102064707A (en) * 2011-01-21 2011-05-18 浙江大学 Input parallel and output parallel combination converter under control of common phase-shifting angle
CN102130599A (en) * 2011-03-24 2011-07-20 浙江大学 Intersected rectification input-parallel and output-parallel combined converter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1370345A (en) * 2000-05-10 2002-09-18 索尼公司 Resonant switching power supply circuit with voltage double output
CN101689809A (en) * 2007-07-18 2010-03-31 松下电器产业株式会社 Switching power supply device
US20090290389A1 (en) * 2008-05-23 2009-11-26 Origin Electric Company, Limited Series resonant converter
CN102064707A (en) * 2011-01-21 2011-05-18 浙江大学 Input parallel and output parallel combination converter under control of common phase-shifting angle
CN102130599A (en) * 2011-03-24 2011-07-20 浙江大学 Intersected rectification input-parallel and output-parallel combined converter

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104578733A (en) * 2015-02-04 2015-04-29 四川英杰电气股份有限公司 Low ripple output method of tandem high-voltage DC power source
CN104993706A (en) * 2015-07-14 2015-10-21 山东大学 Two module DC-DC convertor parallel connection current-sharing control system and method
CN104993706B (en) * 2015-07-14 2017-06-16 山东大学 It is a kind of to be used for two module DC DC converters sharing control system and method in parallel
CN105553271A (en) * 2016-03-04 2016-05-04 盐城工学院 Control method of three-phase DC converter
CN105553271B (en) * 2016-03-04 2018-06-05 盐城工学院 A kind of control method of three-phase dc converter
CN109672340A (en) * 2017-10-17 2019-04-23 深圳市优优绿能电气有限公司 A kind of Multi-input parallel and the power inverter of multiple-channel output parallel connection
CN108155815A (en) * 2017-12-18 2018-06-12 上海交通大学 Converter parallel current-equalizing circuit
WO2020194119A1 (en) * 2019-03-26 2020-10-01 International Business Machines Corporation Sharing redundant regulator phases within phase-redundant voltage regulator apparatus
GB2595839A (en) * 2019-03-26 2021-12-08 Ibm Sharing redundant regulator phases within phase-redundant voltage regulator apparatus
GB2595839B (en) * 2019-03-26 2022-04-13 Ibm Sharing redundant regulator phases within phase-redundant voltage regulator apparatus
CN111464044A (en) * 2020-05-06 2020-07-28 阳光电源股份有限公司 Isolated power converter and hydrogen production system
US11515803B2 (en) 2020-05-06 2022-11-29 Sungrow Power Supply Co., Ltd. Isolated power converter and hydrogen production system

Also Published As

Publication number Publication date
CN102545630B (en) 2015-05-20

Similar Documents

Publication Publication Date Title
CN102545630B (en) Multi-module combined converter with recycling cross rectification function
CN103620935B (en) Bidirectional dc-dc converter
CN102130599B (en) Intersected rectification input-parallel and output-parallel combined converter
EP3163734B1 (en) Dc-dc converter with high transformer ratio
CN106655853B (en) A kind of three-level inverter
CN102064707B (en) Input parallel and output parallel combination converter under control of common phase-shifting angle
CN102624267B (en) Inverter and application circuit in three-phase system
CN109067218B (en) Solid-state transformer topology construction method based on multi-level sub-modules
CN104167912A (en) MMC with zero direct voltage fault ride-through capability and design method thereof
CN103597730B (en) Semiconductor module, upper underarm suite and three-level inverter
CN103208929A (en) Electronic power transformer based on multi-media card (MMC)
CN104539187A (en) Novel active front-end controller topological structure
CN105612687B (en) DC-DC boost converter based on tri-state switch unit concept under a kind of photovoltaic application scene
CN202997936U (en) High boost circuit, solar inverter and solar cell system
CN103166495A (en) Single phase asymmetrical full-bridge non-isolated photovoltaic grid-connected inverter
EP3400644B1 (en) Modular multilevel converter and power electronic transformer
CN103595281A (en) Five-level voltage source type conversion device
CN105191110A (en) Voltage source converter comprising a chain-link converter
CN107453615A (en) Modular multilevel converter and electric power electric transformer
CN106154086A (en) A kind of MMC dynamic analog submodule unit with topological switching capability
CN106921307A (en) A kind of flexible direct current transverter submodule topological structure
Hu et al. Fault-tolerant converter with a modular structure for HVDC power transmitting applications
CN203491923U (en) Five-level voltage source converter
CN206790354U (en) The two-way charging device of the more level of high-frequency isolation series resonance
CN107222111A (en) The two-way charging device of many level of high-frequency isolation series resonance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520

Termination date: 20160104

EXPY Termination of patent right or utility model