CN102035391B - High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor - Google Patents
High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor Download PDFInfo
- Publication number
- CN102035391B CN102035391B CN 200910035881 CN200910035881A CN102035391B CN 102035391 B CN102035391 B CN 102035391B CN 200910035881 CN200910035881 CN 200910035881 CN 200910035881 A CN200910035881 A CN 200910035881A CN 102035391 B CN102035391 B CN 102035391B
- Authority
- CN
- China
- Prior art keywords
- output
- input
- power
- coupling capacitance
- power switch
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a high-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor. In the convertor, two coupling capacitors in a DC non-isolation type Cuk three-electric-level topology without a transformer are respectively disassembled into two capacitors, and two serially-connected transformers are respectively inserted between the two capacitors, the middle connecting point of primary sub sides of two transformers is respectively connected with the middle point of two switching tubes at left side and two booster diodes at right side, and an input filter and an output filter are respectively arranged at the input end and the output end to form a circuit topological structure which converts unstable direct current into adjustable direct current. In the invention, the power conversion stage number is less, power switching devices are less, boosting regulation can be realized, and the converter has the electrical isolation character; in addition, spectral characteristic of the voltage at the front end of the output filter is good, the conversion efficiency and power density are improved, and the volume and weight of the output filter are reduced.
Description
Technical field
The invention belongs to the Technics of Power Electronic Conversion technology, particularly a kind of high frequency isolation type three level DC/DC converters based on the Cuk converter.
Background technology
Directly-straight (DC-DC) converter technique is the applied power semiconductor device, direct current energy is converted to a kind of Semiconductor Converting Technology of the direct current energy of another fixed voltage or adjustable voltage, be widely used in national defence, industrial and mining enterprises, scientific research institutions, laboratory in colleges and universities and the daily life.
Dc voltage regulator circuit mainly contains DC chopper circuit, indirect DC conversion circuit etc.The DC chopper circuit kind is a lot, comprises six kinds of basic chopper circuits: buck circuit, boost chopper, stepping-up/stepping-down chopper circuit, Cuk chopper circuit, Sepic chopper circuit and Zeta chopper circuit also have compound chopper circuit of bridge-type etc. in addition.Summarize its characteristics, although each tool advantage, defective is also apparent in view, and volume is large, and the voltage that Heavy Weight, switching tube bear is large, and without the electrical isolation characteristic, indirect DC conversion circuit topology is too complicated etc.The thought of multi-level converter is proposed the beginning of the eighties by Nabae the earliest, in the DC/AC conversion, approach suitable maturation of sinusoidal wave theory with the synthetic staircase waveform output of step, a lot of relevant paper and products are arranged both at home and abroad, this technology can reduce switch tube voltage stress, reduce the input and output filter, reduce the volume and weight of converter, improve simultaneously the dynamic corresponding speed of converter.But a lot of high-voltage great-current occasions all require electrical isolation, and the present isolated form of studying three level topological structure great majority have just reduced the voltage stress of switching tube, inreal three level of realizing of transformer secondary, the isolated form bridge-type three level topological structures that can realize real three level are too complicated again, also exist upper and lower bridge arm to lead directly to phenomenon.Nineteen eighty-three, the low ripple of a kind of novelty that SLOBODANCUK proposes in ieee international conference is straight-and head straight for and close supply convertor (" A NewZero-Ripple Switching DC-to-DC Converter and Integrated Magnetics ") and have simple in structure, switching device is few, single-stage power progression, can realize electrical isolation, just the switching tube voltage ratio of bearing is higher, can not be widely used in the high-voltage great-current occasion.
Summary of the invention
Excessive for solving large power supply power switch pipe voltage stress, DC/DC converter General Transform progression is many, circuit is complicated and do not have a shortcoming of electrical isolation function, the invention provides a kind of high frequency isolation type three level DC/DC converters based on the Cuk converter, it has, and single-stage power conversion, bidirectional power flow, output filter front voltage spectral characteristic are good, the lifting press conversion, reduce the voltage stress of switching device, effectively realize the advantage such as electrical isolation.
The technical solution that realizes the object of the invention is: a kind of high frequency isolation type three level DC/DC converters based on the Cuk converter comprise input DC power, input filter, isolated Cuk three level DC converter unit, output filter, output DC load; Described input filter comprises input filter inductance, input filter capacitor, the input filter inductance is connected with input filter capacitor, the two joint lead-out wire is the first output of input filter, the positive pole of another termination input DC power of input filter inductance, the negative pole of another termination input DC power of input filter capacitor, the minus earth of input DC power, the port that input filter capacitor links to each other with input DC power are the second output of input filter; Isolated Cuk three level DC converter unit comprises input energy storage inductor, the first power switch pipe, the second power switch pipe, the first power diode, the second power diode, the first booster diode, the second booster diode, the first coupling capacitance, the second coupling capacitance, the 3rd coupling capacitance, the 4th coupling capacitance, the first isolating transformer, the second isolating transformer; The first output of one termination input filter of input energy storage inductor, the drain electrode of another termination the first power switch pipe of input energy storage inductor and an end of the first coupling capacitance, the former limit input of another termination the first isolating transformer of the first coupling capacitance, the source electrode of former limit output termination first power switch pipe of the first isolating transformer, and drain electrode and the former limit of the second isolating transformer input of termination the second power switch pipe are drawn in both wiring, one end of the former limit output of the second isolating transformer termination the second coupling capacitance, the source electrode of another termination the second power switch pipe of the second coupling capacitance, and both joint lead-out wires connect the second output of input filter; One end of secondary input termination the 3rd coupling capacitance of the first isolating transformer, the anode of another termination the first booster diode of the 3rd coupling capacitance, and termination output energy storage inductor one end is drawn in both wiring, and the other end of output energy storage inductor is the first output of isolated Cuk three level DC converter unit; The negative electrode of the first booster diode connects the secondary output of the first isolating transformer, and termination the second isolating transformer secondary input and the second booster diode anode are drawn in both wiring; One end of the second isolating transformer secondary output termination the 4th coupling capacitance, the negative electrode of another termination the second booster diode of the 4th coupling capacitance, both wiring exits are the second output of isolated Cuk three level DC converter unit, in addition, the first power switch pipe two ends the first diode in parallel, the anode of the first diode is connected to the source electrode of the first power switch pipe, and the negative electrode of the first diode is connected to the drain electrode of the first power switch pipe; The second power switch pipe two ends the second diode in parallel, the anode of the second diode is connected to the source electrode of the second power switch pipe, and the negative electrode of the second diode is connected to the drain electrode of the second power switch pipe; Output filter comprises output filter capacitor, and the two ends of this electric capacity connect respectively the first output and second output of isolated Cuk three level DC converter unit; Output filter capacitor is parallel with one another with the output DC load, the first output head grounding of isolated Cuk three level DC converter unit.
The present invention compared with prior art, its remarkable advantage: 1) two coupling capacitances in Cuk formula three level DC/DC converters (the not containing isolating transformer) topology one are split into two respectively, and insert the isolating transformer of two series connection in the centre, the former secondary intermediate point of two isolating transformers connects respectively the tie point of two power switch pipes and the intermediate connection point of two booster diodes, add respectively input in input dc power source and output in addition, output filter has just consisted of can be transformed into unsettled high voltage direct current stable or adjustable galvanic circuit topological structure, realized the novel electric power electric commutator transformer, the key application technical foundation of many level in DC chopper, civilian at DC voltage-stabilizing and direct current continuous voltage regulating, industry, national defence etc. require the high-voltage large-capacity of electrical isolation straight-straight conversion occasion, be with a wide range of applications.2) has power conversion progression few, bidirectional power flow, the advantage such as output filter front voltage spectral characteristic is good, thereby improve conversion efficiency and power density, reduce volume and weight, the buck adjusting can be realized, and the volume and weight of output filter can be reduced.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Accompanying drawing is the circuit topological structure figure of a kind of high frequency isolation type three level DC/DC converters based on the Cuk converter of the present invention.
Embodiment
By reference to the accompanying drawings, the circuit of a kind of high frequency isolation type three level DC/DC converters based on the Cuk converter of the present invention comprises input DC power 1, input filter 2, isolated Cuk three level DC converter unit 3, output filter 4, output DC load 5; This converter duty ratio was alternately exported two kinds of level greater than 0.5 o'clock, and duty ratio was alternately exported other two kinds of level less than 0.5 o'clock, and two level exporting obtain stable or adjustable direct voltage Uo after output filter filtering;
Described input filter 2 comprises input filter inductance L i, input filter capacitor Ci, input filter inductance L i is connected with input filter capacitor Ci, the two joint lead-out wire is the first output x of input filter 2, the positive pole of another termination input DC power 1 of input filter inductance L i, the negative pole of another termination input DC power 1 of input filter capacitor Ci, the minus earth of input DC power 1, the port that input filter capacitor Ci links to each other with input DC power 1 are the second output y of input filter 2;
Isolated Cuk three level DC converter unit 3 comprises input energy storage inductor L1, the first power switch tube S 1, the second power switch tube S 2, the first power diode p1, the second power diode p2, the first booster diode D1, the second booster diode D2, the first coupling capacitance C1, the second coupling capacitance C2, the 3rd coupling capacitance C3, the 4th coupling capacitance C4, the first isolating transformer T1, the second isolating transformer T2; The first output x of the termination input filter 2 of input energy storage inductor L1, the drain electrode of another termination the first power switch tube S 1 of input energy storage inductor L1 and the end of the first coupling capacitance C1, the former limit input a of another termination the first isolating transformer T1 of the first coupling capacitance C1, the former limit output b of the first isolating transformer T1 connects the source electrode of the first power switch tube S 1, and drain electrode and the second isolating transformer T2 former limit input c of termination the second power switch tube S 2 are drawn in both wiring, the second isolating transformer T2 former limit output d connects the end of the second coupling capacitance C2, the source electrode of another termination the second power switch tube S 2 of the second coupling capacitance C2, and both joint lead-out wires meet the second output y of input filter 2; The secondary input e of the first isolating transformer T1 connects the end of the 3rd coupling capacitance C3, the anode of another termination the first booster diode D1 of the 3rd coupling capacitance C3, and termination output energy storage inductor L2 one end is drawn in both wiring, and the other end of output energy storage inductor L2 is the first output end p of isolated Cuk three level DC converter unit 3; The negative electrode of the first booster diode D1 connects the secondary Ausgang of the first isolating transformer T1, and termination the second isolating transformer T2 secondary input g and the second booster diode D2 anode are drawn in both wiring; The second isolating transformer T2 secondary output h connects the end of the 4th coupling capacitance C4, and the negative electrode of another termination the second booster diode D2 of the 4th coupling capacitance C4, both wiring exits are the second output q of isolated Cuk three level DC converter unit 3; In the above-mentioned isolated Cuk three level DC converter unit 3, the first power switch tube S 1 two ends the first diode p1 in parallel, the anode of the first diode p1 is connected to the source electrode of the first power switch tube S 1, and the negative electrode of the first diode p1 is connected to the drain electrode of the first power switch tube S 1; The second power switch tube S 2 two ends the second diode p2 in parallel, the anode of the second diode p2 is connected to the source electrode of the second power switch tube S 2, and the negative electrode of the second diode p2 is connected to the drain electrode of the second power switch tube S 2;
The present invention is based in the high frequency isolation type three level DC/DC converters of Cuk converter, the first power switch tube S 1 and 2 series connection of the second power switch tube S form the input direct-current input power to input energy storage inductor L1 charging paths, also form simultaneously the first coupling capacitance C1, the second coupling capacitance C2 gives the former limit of the first isolating transformer T1, the former limit of the second isolating transformer T2 discharge paths, the first booster diode D1 and the second booster diode D2 series connection form the first isolating transformer T1 secondary, the second isolating transformer T2 secondary is given the 3rd coupling capacitance C3, the charging paths of the 4th coupling capacitance C4 has also formed output energy storage inductor L2 simultaneously to output DC load afterflow branch road.The first power switch tube S 1 and the second power switch tube S 2 take 180 ° of mutual mistakes alternately open-minded.
When the duty ratio D of the first power switch tube S 1, the second power switch tube S 2 less than 0.5 the time, as follows based on the groundwork process in switch periods of high frequency isolation type three level DC/DC converters of Cuk converter:
1) generation of the first level, the first power switch tube S 1 closure, the second power switch tube S 2 disconnects, the first booster diode D1 cut-off, the second booster diode D2 conducting, the loop is arranged this moment: input DC power Ui-input filter inductance L i-input energy storage inductor L1-the first power switch tube S 1-the second isolating transformer T2 former limit-second coupling capacitance C2, the energy of the second isolating transformer T2 secondary induction forms charge circuit by the second booster diode D2 to the 4th coupling capacitance C4; The first coupling capacitance C1 forms discharge loop by the first power switch tube S 1 and the former limit of the first isolating transformer T1, and the energy of the first isolating transformer T1 secondary induction passes through the loop: first isolating transformer T1 secondary-Di, three coupling capacitance C3-output energy storage inductor L2-output DC load Z
LThe-the second booster diode D2 is to the discharge of output DC load.
2) generation of second electrical level, the first power switch tube S 1, the second power switch tube S 2 is turn-offed simultaneously, the first booster diode D1, simultaneously conducting of the second booster diode D2, the loop is arranged: input DC power Ui-input filter inductance L i-input energy storage inductor L1-the second coupling capacitance C2-the first isolating transformer T1 former limit-second isolating transformer T2 former limit-second coupling capacitance C2 this moment, input energy storage inductor L1 discharge this moment, the energy of the first isolating transformer T1 secondary and the induction of the second isolating transformer T2 secondary is by the 3rd coupling capacitance C3-the first booster diode D1-the second booster diode D2-the 4th coupling capacitance C4 formation loop and to the 3rd coupling capacitance C3, the 4th coupling capacitance C4 charging is exported simultaneously DC load and is also passed through the loop: output DC load Z
L-output energy storage inductor L2-the first booster diode D1-the second booster diode D2 afterflow;
3) the another kind of switch mode of the first level, the first power switch tube S 1 disconnects, the second power switch tube S 2 closures, the first booster diode D1 conducting, the second booster diode D2 cut-off, the loop is arranged this moment: the energy of input DC power Ui-input filter inductance L i-input energy storage inductor L1-the first coupling capacitance C1-the first isolating transformer T1 former limit-second power switch tube S 2, the first isolating transformer T1 secondary induction forms charge circuit by the first booster diode D1 to the 3rd coupling capacitance C3; The second coupling capacitance C2 forms discharge loop by the second power switch tube S 2 and the former limit of the second isolating transformer T2, and the energy of the second isolating transformer T2 secondary induction passes through the loop: second isolating transformer T2 secondary-Di, four coupling capacitance C4-output DC load Z
L-output energy storage inductor L2-the first booster diode D1 is to the discharge of output DC load;
4) generation of second electrical level, the switch mode 2 in this switch mode and this switch periods) identical;
This translation circuit is alternately exported the first level and second electrical level, passes through to change the width of output time between them, thereby reaches the purpose of regulation output voltage, and two level of output obtain stable or adjustable direct voltage Uo after output filter filtering.
When the duty ratio D of the first power switch tube S 1, the second power switch tube S 2 greater than 0.5 the time, as follows based on the groundwork process in switch periods of high frequency isolation type three level DC/DC converters of Cuk converter:
1) generation of the first level, the first power switch tube S 1 closure, the second power switch tube S 2 disconnects, the first booster diode D1 cut-off, the second booster diode D2 conducting, the loop is arranged this moment: input DC power Ui-input filter inductance L i-input energy storage inductor L1-the first power switch tube S 1-the second isolating transformer T2 former limit-second coupling capacitance C2, the energy of the second isolating transformer T2 secondary induction forms charge circuit by the second booster diode D2 to the 4th coupling capacitance C4; The first coupling capacitance C1 forms discharge loop by the first power switch tube S 1 and the former limit of the first isolating transformer T1, and the energy of the first isolating transformer T1 secondary induction passes through the loop: first isolating transformer T1 secondary-Di, three coupling capacitance C3-output energy storage inductor L2-output DC load Z
LThe-the second booster diode D2 is to the discharge of output DC load.
2) generation of the 3rd level, the first power switch tube S 1, the second power switch tube S 2 is closed simultaneously, the first booster diode D1, the second booster diode D2 ends simultaneously, the loop is arranged: input DC power Ui-input filter inductance L i-input energy storage inductor L1-the first power switch tube S 1-the first power switch tube S 2 this moment, this moment, input DC power was to input energy storage inductor L1 charging, the loop is arranged simultaneously: the former limit of isolating transformer T2, first coupling capacitance C1-the first power switch tube S 1-second power switch tube S 2-the second coupling capacitance C2-the first isolating transformer T1 former limit-second, the first coupling capacitance C1, the second coupling capacitance C2 is to the first isolating transformer T1, the second isolating transformer T2 former limit discharge; The energy of the first isolating transformer T1, the induction of the second isolating transformer T2 secondary is by the 4th coupling capacitance C4-output DC load Z
L-output energy storage inductor L2-the 3rd coupling capacitance C3 forms the loop to load supplying;
3) the another kind of switch mode of the first level, the first power switch tube S 1 disconnects, the second power switch tube S 2 closures, the first booster diode D1 conducting, the second booster diode D2 cut-off, the loop is arranged this moment: the energy of input DC power Ui-input filter inductance L i-input energy storage inductor L1-the first coupling capacitance C1-the first isolating transformer T1 former limit-second power switch tube S 2, the first isolating transformer T1 secondary induction charges to the 3rd coupling capacitance C3 by the first booster diode D1; The second coupling capacitance C2 forms discharge loop by the second power switch tube S 2 and the former limit of the second isolating transformer T2, and the energy of the second isolating transformer T2 secondary induction passes through the loop: second isolating transformer T2 secondary-Di, four coupling capacitance C4-output DC load Z
L-output energy storage inductor L2-the first booster diode D1 discharges to output loading;
4) generation of the 3rd level, the switch mode 2 in this switch mode and this switch periods) identical;
This translation circuit is alternately exported the first level and the 3rd level, passes through to change the width of output time between them, thereby reaches the purpose of regulation output voltage, and two level of output obtain stable or adjustable direct voltage Uo after output filter filtering.
Claims (1)
1. high frequency isolation type three level DC/DC converters based on the Cuk converter, it is characterized in that, comprise input DC power [1], input filter [2], isolated Cuk three level DC converter unit [3], output filter [4], output DC load [5]; Described input filter [2] comprises input filter inductance [Li], input filter capacitor [Ci], input filter inductance [Li] is connected with input filter capacitor [Ci], the two joint lead-out wire is first output [x] of input filter [2], the positive pole of another termination input DC power [1] of input filter inductance [Li], the negative pole of another termination input DC power [1] of input filter capacitor [Ci], the minus earth of input DC power [1], the port that input filter capacitor [Ci] links to each other with input DC power [1] are second output [y] of input filter [2];
Isolated Cuk three level DC converter unit [3] comprises input energy storage inductor [L1], the first power switch pipe [S1], the second power switch pipe [S2], the first power diode [p1], the second power diode [p2], the first booster diode [D1], the second booster diode [D2], the first coupling capacitance [C1], the second coupling capacitance [C2], the 3rd coupling capacitance [C3], the 4th coupling capacitance [C4], the first isolating transformer [T1], the second isolating transformer [T2]; First output [x] of one termination input filter [2] of input energy storage inductor [L1], the drain electrode of another termination the first power switch pipe [S1] of input energy storage inductor [L1] and an end of the first coupling capacitance [C1], the former limit input [a] of another termination the first isolating transformer [T1] of the first coupling capacitance [C1], former limit output [b] of the first isolating transformer [T1] connects the source electrode of the first power switch pipe [S1], and drain electrode and the second isolating transformer [T2] former limit input [c] of termination the second power switch pipe [S2] are drawn in both wiring, the second isolating transformer [T2] former limit output [d] connects an end of the second coupling capacitance [C2], the source electrode of another termination the second power switch pipe [S2] of the second coupling capacitance [C2], and both joint lead-out wires connect second output [y] of input filter [2]; The secondary input [e] of the first isolating transformer [T1] connects an end of the 3rd coupling capacitance [C3], the anode of another termination the first booster diode [D1] of the 3rd coupling capacitance [C3], and termination output energy storage inductor [L2] end is drawn in both wiring, and the other end of output energy storage inductor [L2] is first output [p] of isolated Cuk three level DC converter unit [3]; The negative electrode of the first booster diode [D1] connects the secondary output [f] of the first isolating transformer [T1], and termination the second isolating transformer [T2] secondary input [g] and the second booster diode [D2] anode are drawn in both wiring; The second isolating transformer [T2] secondary output [h] connects an end of the 4th coupling capacitance [C4], the negative electrode of another termination the second booster diode [D2] of the 4th coupling capacitance [C4], both wiring exits are second output [q] of isolated Cuk three level DC converter unit [3]; The first power switch pipe [S1] is in parallel with the first power diode [p1], the source electrode of anodic bonding first power switch pipe [S1] of the first power diode [p1], and the negative electrode of the first power diode [p1] connects the drain electrode of the first power switch pipe [S1]; The second power switch pipe [S2] is in parallel with the second power diode [p2], the source electrode of anodic bonding second power switch pipe [S2] of the second power diode [p2], and the negative electrode of the second power diode [p2] connects the drain electrode of the second power switch pipe [S2];
Output filter [4] comprises output filter capacitor [Co], and the two ends of this output filter capacitor [Co] connect respectively the first output [p] and second output [q] of isolated Cuk three level DC converter unit [3]; Output filter capacitor [Co] is parallel with one another with output DC load [5], the first output [p] ground connection of isolated Cuk three level DC converter unit [3].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910035881 CN102035391B (en) | 2009-09-28 | 2009-09-28 | High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910035881 CN102035391B (en) | 2009-09-28 | 2009-09-28 | High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102035391A CN102035391A (en) | 2011-04-27 |
| CN102035391B true CN102035391B (en) | 2013-04-24 |
Family
ID=43887857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910035881 Expired - Fee Related CN102035391B (en) | 2009-09-28 | 2009-09-28 | High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102035391B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857155B (en) * | 2011-06-30 | 2016-03-02 | 费月升 | A kind of buck-boost dual-motor parallel controller |
| CN102879117B (en) * | 2012-10-25 | 2013-12-04 | 宁夏电力公司银川供电局 | Electric field induction powered disconnector contact temperature online measurement and wireless transmission device |
| CN106849663A (en) * | 2015-12-03 | 2017-06-13 | 中国航空工业集团公司雷华电子技术研究所 | A kind of three level power electronic transformer circuit structures |
| CN107370380B (en) * | 2016-05-13 | 2020-02-04 | 亚力电机股份有限公司 | Boost-buck type direct current converter |
| CN107093958A (en) * | 2017-06-29 | 2017-08-25 | 中国航空工业集团公司雷华电子技术研究所 | A kind of DC converter |
| CN107482915B (en) * | 2017-08-31 | 2019-11-15 | 南京理工大学 | A kind of multifunctional electric energy converter |
| CN113890359B (en) * | 2021-10-11 | 2023-10-27 | 三峡大学 | Three-port high-reliability cuk DC-DC converter |
| CN113965081B (en) * | 2021-10-11 | 2023-11-24 | 三峡大学 | Multi-working-condition high-gain three-port DC-DC converter based on Cuk |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009115555A1 (en) * | 2008-03-21 | 2009-09-24 | Commissariat A L'energie Atomique | Device for controlling a power supply with dc dc splitting of the type including n interlaced paths |
-
2009
- 2009-09-28 CN CN 200910035881 patent/CN102035391B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009115555A1 (en) * | 2008-03-21 | 2009-09-24 | Commissariat A L'energie Atomique | Device for controlling a power supply with dc dc splitting of the type including n interlaced paths |
Non-Patent Citations (1)
| Title |
|---|
| slobdoan cuk等.A New Zero-Ripple Switching DC-to-DC Converter and Integrated Magnetics.《IEEE TRANSACTIONS ON MAGNETICS》.1983, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102035391A (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102035391B (en) | High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor | |
| CN100490289C (en) | Non-isolation type AC-AC tri-level converter | |
| CN107517003B (en) | Output-floating-input parallel high-gain Boost conversion circuit and switching method | |
| TWI501522B (en) | Three-phase boost-buck power factor correction converter | |
| CN102594189A (en) | Non-isolated direct-current converter type differential three-level inverter | |
| CN102025281B (en) | Cuk-converter-based high-frequency isolated three-level alternating current (AC)-AC converter | |
| CN102223095A (en) | High-gain Z-source inverter | |
| CN106981990B (en) | Unidirectional isolation type multistage direct current-direct current electric energy conversion device and method thereof | |
| CN106533152A (en) | Device and method for improving PF of Boost three-level converter | |
| CN105119516A (en) | Quasi Z-source inverter with high boost gain | |
| CN103762873A (en) | High frequency isolation type three-level inverter based on Boost converter | |
| CN108400709A (en) | A kind of two-way DC/DC converters of integrated three level of bipolarity of crisscross parallel magnetic | |
| CN103607108A (en) | Transformer primary side multi-stage passive clamp circuit of full-bridge single-stage power factor corrector | |
| CN107294147A (en) | Onboard charger and vehicle | |
| CN104065289A (en) | Flyback high-frequency isolating type three-level inverter | |
| CN203660883U (en) | Electrical energy conversion device | |
| CN203562976U (en) | Vehicle-mounted power supply circuit | |
| CN100530923C (en) | Single-phase and triple-phase impedance source booster and step-down DC/DC converter | |
| CN203761292U (en) | High-frequency isolation type five-level inverter | |
| CN106899203B (en) | Forward five-level inverter | |
| CN106059326B (en) | A kind of three-phase tri-level Buck type AC-AC converters and its control method | |
| CN209072370U (en) | A kind of single phase bidirectional AC-DC charge-discharge circuit | |
| CN109004851B (en) | space high-voltage high-frequency high-power interleaved three-level PFC converter and method | |
| CN204794700U (en) | Boost circuit system and on -vehicle solar airconditioning | |
| CN203775028U (en) | Two-phase staggered parallel converter based on coupling inductors |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ELECTRIC POWER COMPANY, TAIXING POWER SUPP Effective date: 20150819 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Lei Inventor after: Xu Zhenghong Inventor after: Zhu Ling Inventor after: Hu Wei Inventor after: Zhao Qin Inventor after: Gao Wei Inventor after: Wu Qi Inventor after: Cao Honglin Inventor before: Zhu Ling Inventor before: Li Lei Inventor before: Hu Wei Inventor before: Zhao Qin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU LING LI LEI HU WEI ZHAO QIN TO: LI LEI XU ZHENGHONG ZHU LING HU WEI ZHAO QIN GAO WEI WU QI CAO HONGLIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150819 Address after: 210094 Xiaolingwei, Jiangsu, No. 200, Patentee after: Nanjing University of Science and Technology Patentee after: Taixing Power Supply Company of Jiangsu Electric Power Company Address before: 210094 Xiaolingwei, Jiangsu, No. 200, Patentee before: Nanjing University of Science and Technology |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20180928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |