CN202094804U - Staggered serial DC/DC (Direct Current) converter circuit - Google Patents

Staggered serial DC/DC (Direct Current) converter circuit Download PDF

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CN202094804U
CN202094804U CN201120196234XU CN201120196234U CN202094804U CN 202094804 U CN202094804 U CN 202094804U CN 201120196234X U CN201120196234X U CN 201120196234XU CN 201120196234 U CN201120196234 U CN 201120196234U CN 202094804 U CN202094804 U CN 202094804U
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circuit
module
resonant
inductance
input
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李永富
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ZHUHAI TAITAN NEW ENERGY SYSTEM CO Ltd
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ZHUHAI TAITAN NEW ENERGY SYSTEM CO Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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Abstract

The utility model discloses a staggered serial DC/DC (Direct Current) converter circuit and aims at providing a smaller DC/DC (Direct Current) converter circuit with advantages of high conversion efficiency and convenience for manufacture, which comprises an input DC voltage, a DC/DC module, a filter circuit and a load. The staggered serial DC/DC (Direct Current) converter circuit also comprises a control circuit. The DC/DC module comprises a first module (DC1) and a second module (DC2); structures of the first module (DC1) and the second module (DC2) are the same; the input end of the first module (DC1) is connected with the input end of the second module (DC2) in parallel and is connected with input DC voltage; the output end of the first module (DC1) is connected with the output end of the second module (DC2) in series and then is connected with the filter circuit and the load; the control circuit is connected with the DC/DC module; and control signals of the first module (DC1) and the second module (DC2) are staggered with a certain angle.

Description

Interleaved series DC/DC converter circuit
Technical field
The utility model relates to a kind of interleaved series DC/DC converter circuit.
Background technology
In special equipment market, as aspects such as big voltage trickle charger and electric automobile charging stations, increasing to power-supply device demand with several hectovolts, and can reach more than 90% for conversion efficiency, power factor is greater than 0.99, and the miniaturization Switching Power Supply that meets the EMC requirement is more rare.The Switching Power Supply (as the disclosed three-level LLC series resonance of Chinese patent CN03150858.8 DC/DC converter) of the little electric current of the conventional big voltage of output, though have the advantage of LLC series resonance-type DC/DC converter, and realized exporting the requirement of big voltage by the voltage stress that reduces each switching tube, but when big voltage is exported, exist very big ripple, reduced the stability of whole system, also inevitably increased simultaneously the volume of input and output capacitors, cause the volume of whole DC/DC converter to be restricted, be difficult to realize the purpose of miniaturization.In sum, at present the DC/DC converter in the prior art exists that ripple is big, conversion efficiency is low, is difficult for the defective of miniaturization.
The utility model content
Problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, provides a kind of ripple that adopts the interleaved series technology to constitute little, the conversion efficiency height, and be convenient to make the high performance DC/DC converter circuit of more miniaturization.
The technical solution of the utility model is: a kind of interleaved series DC/DC converter circuit, it comprises input direct voltage, at least two DC/DC modules, filter circuit and load, it also comprises control circuit, described DC/DC module comprises first module and second module, described first module is identical with second modular structure, the input of the input of described first module and the second module described input direct voltage that is connected in parallel, be connected described filter circuit and load after the output series connection of the output of described first module and second module, described control circuit is connected with described DC/DC module, and described control circuit is to the control signal of first module and second module certain angle that staggers.
The enforcement circuit of described first module and second module comprises: bleeder circuit, clamp circuit, switching circuit, resonant circuit, isolating transformer and rectification circuit, described bleeder circuit comprises the first dividing potential drop electric capacity and the second dividing potential drop electric capacity, be connected in parallel on the input that described input direct voltage two ends become described first module after the described first dividing potential drop electric capacity and the second dividing potential drop capacitances in series, described clamp circuit comprises first diode and second diode, the positive pole of described first diode is connected with the negative pole of second diode and is connected with ground wire with the series connection point of the described first dividing potential drop electric capacity and the second dividing potential drop electric capacity, described switching circuit comprises first switching tube, the second switch pipe, the 3rd switching tube, the 4th switching tube is in series, described switching circuit is in parallel with described bleeder circuit, described first switching tube is connected the negative pole of described first diode with the series connection point of second switch pipe, described the 3rd switching tube is connected the positive pole of described second diode with the series connection point of the 4th switching tube, described resonant circuit comprises first resonant capacitance, second resonant capacitance, resonant inductance and magnetizing inductance, it is in parallel after described first resonant capacitance is connected with second resonant capacitance with described switching circuit, one end of described resonant inductance connects the series connection point of described second switch Guan Yudi three switching tubes, the other end of described resonant inductance connects an end of described magnetizing inductance, the other end of described magnetizing inductance connects the series connection point of described first resonant capacitance and second resonant capacitance, described rectification circuit is formed bridge rectifier by four rectifier diodes, elementary and the described magnetizing inductance of described isolating transformer is in parallel, the ac input end of the described bridge rectifier of secondary connection of described isolating transformer, the dc output end of described bridge rectifier connects filter circuit and load.
Another of described first module and second module implemented circuit and comprised: switching circuit, resonant circuit, isolating transformer and rectification circuit, the input of direct voltage two ends described first module in parallel, described switching circuit comprises first switching tube, the second switch pipe is in series, described switching circuit is in parallel with described direct voltage two ends to be the input of described first module, described resonant circuit comprises first resonant capacitance, second resonant capacitance, resonant inductance and magnetizing inductance, it is in parallel after described first resonant capacitance is connected with second resonant capacitance with described switching circuit, one end of described resonant inductance connects the series connection point of described first switching tube and second switch pipe, the other end of described resonant inductance connects an end of described magnetizing inductance, the other end of described magnetizing inductance connects the series connection point of described first resonant capacitance and second resonant capacitance, described rectification circuit is formed bridge rectifier by four rectifier diodes, elementary and the described magnetizing inductance of described isolating transformer is in parallel, the ac input end of the described bridge rectifier of secondary connection of described isolating transformer, the dc output end of described bridge rectifier connects filter circuit and load.
In above-mentioned two kinds of embodiments, described switching circuit is connected with described control circuit, and described control circuit is 90 degree to the control signal of first module and second module angle that staggers.
In above-mentioned two kinds of embodiments, described filtered electrical routing capacitor constitutes.
The beneficial effects of the utility model are: because the utility model comprises input direct voltage, the DC/DC module, filter circuit and load, it also comprises control circuit, described DC/DC module comprises first module and second module, described first module is identical with second modular structure, the input of the input of described first module and the second module described input direct voltage that is connected in parallel, be connected described filter circuit and load after the output series connection of the output of described first module and second module, described control circuit is connected with described DC/DC module, and described control circuit is to the control signal of first module and second module certain angle that staggers; Again because existing LLC resonance oscillation semi-bridge DC/DC converter occupies most of locus in the composition of whole power supply, and reduce the space occupancy of this part circuit as far as possible, the natural heat dissipation area that this part element is provided is the main mode of dwindling whole power volume, and to reduce ripple as far as possible be the assurance that improves DC/DC transducer performance and efficient, the utility model is just with single powerful DC/DC converter, split into the mode of two DC/DC converters by interleaved series and realize its power output, so this converter input, output ripple is little, the conversion efficiency height, and be convenient to make and become the little electric current of the big voltage of more miniaturization, high performance DC/DC converter.
Description of drawings
Fig. 1 is the schematic diagram of the three-level LLC resonance oscillation semi-bridge DC/DC converter of the utility model circuit;
Fig. 2 is the drive waveforms figure of the utility model interleaved series DC/DC converter;
Fig. 3 is the schematic diagram of two level LLC resonance oscillation semi-bridge DC/DC converters of the utility model circuit;
Fig. 4 ~ Fig. 9 is the fundamental diagram of the utility model interleaved series DC/DC converter under different mode.
Embodiment
The utility model comprises input direct voltage, the DC/DC module, filter circuit and load, described DC/DC module comprises the first module DC1 and the second module DC2, the described first module DC1 is identical with the second module DC2 structure, the input of the input of the described first module DC1 and the second module DC2 described input direct voltage that is connected in parallel, be connected described filter circuit and load after the output series connection of the output of the described first module DC1 and the second module DC2, described control circuit is connected with described DC/DC module, the control signal of the described first module DC1 and the second module DC2 certain angle that staggers.The output of the described first module DC1 is connected with the output of the second module DC2, promptly the negative pole of the output voltage V o1 of first module links to each other with the positive pole of the output voltage V o2 of second module, behind filter circuit 160, obtain total output voltage V o, described filter circuit 160 is made up of capacitor C5, and being used for that pulse current is changed into a direct current voltage provides energy to the output loading circuit.Be appreciated that, the module of interleaved series is implemented to be the identical DC/DC module of two or more structures, described switching circuit in the identical DC/DC module of described two or more structures is connected with described control circuit, and the control signal of the DC/DC module that described two or more structures the are identical angle that staggers in the specific implementation can be 90 degree.
Illustrate below in conjunction with accompanying drawing 1, present embodiment adopts interleaved series LLC resonance oscillation semi-bridge DC/DC converter, be made up of two identical DC/DC modules of structure, two module control signals stagger 90 degree to realize staggered input, and output obtains total output voltage by series system behind filter circuit.DC/DC module in the interleaved series LLC resonance oscillation semi-bridge DC/DC converter is mainly by bleeder circuit, switching circuit, clamp circuit, resonant circuit, isolating transformer, rectification circuit are formed, and resonant circuit has partly adopted the access way in parallel with switching circuit after two capacitances in series.Wherein the composition structure and the mode of operation of two modules are identical, so only first module DC1 is described in detail.
The first module DC1, be used to produce first via output voltage V o1, it comprises bleeder circuit 110, clamp circuit 120, switching circuit 130, resonant circuit 140, isolating transformer T1 and rectification circuit 150, described bleeder circuit 110 is composed in series by the first dividing potential drop capacitor C 1 and the second dividing potential drop capacitor C 2, be connected in parallel on input, be used for input voltage vin is divided equally, producing two only is half voltage source of input voltage, described clamp circuit 120 is by two diode D1, D2 forms, wherein the first diode D1 anode is connected in the mid point of dividing potential drop electric capacity, negative electrode connects between the contact of the first switching tube S1 source electrode and second switch pipe S2 drain electrode, the second diode D2 negative electrode is connected in the mid point of dividing potential drop electric capacity, anode connects between the contact of the 3rd switching tube S3 source electrode and the 4th switching tube S4 drain electrode, described switching circuit 130 is by 4 switching tube S1, S2, S3, S4 is in series, be used for direct voltage is reverse into square-wave voltage or stepped voltage, described resonant circuit 140 comprises resonant capacitance C11, C12, resonant inductance Ls1 and magnetizing inductance Lm1, wherein, resonant capacitance is made of two capacitor C 11 and C12 series connection, be parallel to switching circuit 130, its mid point links to each other with the former limit of isolating transformer T1 one end, two resonant capacitance C11 and 12 alternations of resonance capacitor C, to resonant capacitance C11 discharge, in the time of resonant capacitance C12 discharge resonant capacitance C11 is charged when being resonant capacitance C12 charging.Resonant inductance Ls1 one end links to each other with the source electrode of second switch pipe S2, the other end links to each other with the former limit of the isolating transformer T1 other end, magnetizing inductance Lm1 is connected in parallel on the former limit of described isolating transformer T1, the secondary of described isolating transformer T1 links to each other with rectification circuit 150, described rectification circuit 150 is by 4 diode D11, D12, D13, D14 forms, wherein D11 and D14 be rectification circuit to the pipe, D12 and D13 be rectification circuit to the pipe, D11 and D12 series connection, D13 and D14 series connection, the anode of the secondary one termination D11 of isolating transformer T1, the negative electrode of another termination D14, the negative electrode of D11 and D13 connects the positive pole of output voltage V o1, and the anode of D12 and D14 connects the negative pole of output voltage V o1.Wherein, rectification circuit 150 can adopt full bridge rectifier or center-tap rectifier circuit, resonant inductance L S1, L S2Be the outer coilloading of transformer former limit series connection, magnetizing inductance L M1, L M2Be the big magnetizing inductance of transformer.
The drive signal of 4 switching tube S5, S6, S7, S8 as shown in Figure 2 among 4 switching tube S1, S2 among first module DC1, S3, S4 and second the module DC2, S1 and S2 are same drive signal substantially, just S1 a bit turn-offs slightly ahead of time than S2, S3 and S4 are same drive signal substantially, just S4 a bit turn-offs slightly ahead of time than S3, the drive signal of S1, S2 and S3, S4 is a complementary signal, and duty ratio all is 50%, S1(S2) and S4(S3) have certain dead band between the drive signal; S5 ~ S8 has and the drive signal of S1 ~ S4 same nature, but the control signal of S5 ~ S8 and S1 ~ S4 totally staggers 90 °, to realize staggered control, realize control by the switching frequency that changes drive signal to output voltage, the negative pole of the first module DC1 output end vo 1 links to each other with the positive pole of the second module DC2 output end vo 2, to realize the output of Vo.
As shown in Figure 3, another embodiment of the present utility model has omitted bleeder circuit 110, clamp circuit 120, the described first module DC1 comprises switching circuit 130, resonant circuit 140, isolating transformer T1 and rectification circuit 150, the input of the direct voltage two ends described first module DC1 in parallel, described switching circuit 130 comprises the first switching tube S1, second switch pipe S2 is in series, described switching circuit 130 is in parallel with described direct voltage two ends to be the input of the described first module DC1, described resonant circuit 140 comprises the first resonant capacitance C11, the second resonant capacitance C12, resonant inductance Ls1 and magnetizing inductance Lm1, connect with second resonant capacitance C12 back and described switching circuit 130 of the described first resonant capacitance C11 is in parallel, the end of described resonant inductance Ls1 connects the series connection point of described first switching tube S1 and second switch pipe S2, the other end of described resonant inductance Ls1 connects the end of described magnetizing inductance Lm1, the other end of described magnetizing inductance Lm1 connects the series connection point of the described first resonant capacitance C11 and the second resonant capacitance C12, described rectification circuit 150 is formed bridge rectifier by four rectifier diodes, elementary and the described magnetizing inductance Lm1 of described isolating transformer T1 is in parallel, the ac input end of the described bridge rectifier of secondary connection of described isolating transformer T1, the dc output end of described bridge rectifier connects filter circuit 160 and load.
Referring to Fig. 4～Fig. 9, introduce its operation principle with the described interleaved series three-level resonant transformer of above-mentioned Fig. 1 below:
A switch periods of interleaved series three-level resonant transformer can be divided into 6 mode of operations, and the current direction under the different mode marks in the drawings by the mode of arrow.The operation principle of 6 mode of operations is described below respectively:
Pattern 1, as shown in Figure 4: S 1, S 2Open-minded simultaneously.Primary current in the resonant network i P1The above-mentioned switching tube of flowing through, and be increased to maximum with sinusoidal rule forward and reduce then, flow through inductance L M1Linear the increasing of electric current; S 5, S 6S staggers 1, S 21/4 cycle is also open-minded simultaneously, its working condition and S 1, S 2The mode of opening simultaneously is identical, flows through inductance L M2Linear the increasing of electric current; While secondary diode D 11, D 14, D 21, D 23Forward conduction, for load provides energy, its electric current that flows through depends on primary current i pAnd exciting current i mPoor.
Pattern 2, as shown in Figure 5: resonant inductance L S1Electric current i P1With inductance L M1Electric current i M1Equate resonant inductance L S2Electric current i P2With inductance L M2Electric current i M2Equate that the transformer primary current reduces to zero, secondary current also reduces to zero, secondary rectifier diode D 11, D 14, D 21, D 23Zero-current switching.This moment magnetizing inductance L M1, L M2Break away from the clamping action of output voltage, participate in the resonant process between resonant capacitance and the resonant inductance three respectively.Because L M1, L M2Compare L S1, L S1Big a lot, harmonic period is longer, under this pattern, can be similar to and think that resonance current is constant.
Mode 3, as shown in Figure 6: S 1Prior to S 2Turn-off S 5Prior to S 6Turn-off.A resonance current i P1Begin resonant capacitance C 11Discharge, simultaneously to C 12Charge C 12On voltage risen to V In/ 2, clamping diode D 1Conducting is further risen thereby limited voltage.While C 11On voltage be zero by clamp.This moment resonance current S that flows through 2, C 12, C 2And D 1A resonance current i P2Begin resonant capacitance C 21Discharge, simultaneously to C 22Charge C 22On voltage risen to V In/ 2, clamping diode D 3Conducting is further risen thereby limited voltage.While C 21On voltage be zero by clamp.This moment resonance current S that flows through 6, C 22, C 4And D 3
Pattern 4, as shown in Figure 7: S 3, S 4Open-minded simultaneously.Primary current in the resonant network i P1Reverse flow is through above-mentioned switching tube, and is increased to maximum with sinusoidal rule forward and reduces then, flows through inductance L M1Linear the increasing of electric current; S 5, S 6S staggers 7, S 81/4 cycle is also open-minded simultaneously, its working condition and S 1, S 2The mode of opening simultaneously is identical, flows through inductance L M2Linear the increasing of electric current; While secondary diode D 12, D 13, D 22, D 24Forward conduction, for load provides energy, its electric current that flows through depends on primary current i pAnd exciting current i mPoor.
Pattern 5, as shown in Figure 8: resonant inductance L S1Electric current i P1With inductance L M1Electric current i M1Equate resonant inductance L S2Electric current i P2With inductance L M2Electric current i M2Equate that the transformer primary current reduces to zero, secondary current also reduces to zero, secondary rectifier diode D 12, D 13, D 22, D 24Zero-current switching.This moment magnetizing inductance L M1, L M2Break away from the clamping action of output voltage, participate in the resonant process between resonant capacitance and the resonant inductance three respectively.Because L M1, L M2Compare L S1, L S1Big a lot, harmonic period is longer, under this pattern, can be similar to and think that resonance current is constant.
Pattern 6, as shown in Figure 9: S 4Prior to S 3Turn-off S 8Prior to S 7Turn-off.A resonance current i P1Begin resonant capacitance C 11Charge, simultaneously to C 12Discharge C 11On voltage risen to V In/ 2, clamping diode D 2Conducting is further risen thereby limited voltage.While C 12On voltage be zero by clamp.This moment resonance current S that flows through 3, C 11, C 1And D 2A resonance current i P2Begin resonant capacitance C 22Discharge, simultaneously to C 21Charge C 21On voltage risen to V In/ 2, clamping diode D 4Conducting is further risen thereby limited voltage.While C 22On voltage be zero by clamp.This moment resonance current S that flows through 7, C 21, C 3And D 4
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, and not breaking away from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed among the claim scope of the present utility model.

Claims (5)

1. interleaved series DC/DC converter circuit, it comprises input direct voltage, at least two DC/DC modules, filter circuit and load, it is characterized in that: it also comprises control circuit, described at least two DC/DC modules comprise first module (DC1) and second module (DC2), described first module (DC1) is identical with second module (DC2) structure, the input of the input of described first module (DC1) and second module (DC2) the described input direct voltage that is connected in parallel, be connected described filter circuit and load after the output series connection of the output of described first module (DC1) and second module (DC2), described control circuit is connected with described DC/DC module, and described control circuit is to the control signal of first module (DC1) and second module (DC2) certain angle that staggers.
2. interleaved series DC/DC converter circuit according to claim 1, it is characterized in that: described first module (DC1) comprises bleeder circuit (110), clamp circuit (120), switching circuit (130), resonant circuit (140), isolating transformer (T1) and rectification circuit (150), described bleeder circuit (110) comprises the first dividing potential drop electric capacity (C1) and the second dividing potential drop electric capacity (C2), be connected in parallel on the input that described input direct voltage two ends become described first module (DC1) after described first dividing potential drop electric capacity (C1) and the series connection of the second dividing potential drop electric capacity (C2), described clamp circuit (120) comprises first diode (D1) and second diode (D2), the positive pole of described first diode (D1) is connected with the negative pole of second diode (D2) and is connected with ground wire with the series connection point of the described first dividing potential drop electric capacity (C1) and the second dividing potential drop electric capacity (C2), described switching circuit (130) comprises first switching tube (S1), second switch pipe (S2), the 3rd switching tube (S3), the 4th switching tube (S4) is in series, described switching circuit (130) is in parallel with described bleeder circuit (110), described first switching tube (S1) is connected the negative pole of described first diode (D1) with the series connection point of second switch pipe (S2), described the 3rd switching tube (S3) is connected the positive pole of described second diode (D2) with the series connection point of the 4th switching tube (S4), described resonant circuit (140) comprises first resonant capacitance (C11), second resonant capacitance (C12), resonant inductance (Ls1) and magnetizing inductance (Lm1), it is in parallel after described first resonant capacitance (C11) is connected with second resonant capacitance (C12) with described switching circuit (130), one end of described resonant inductance (Ls1) connects the series connection point of described second switch pipe (S2) and the 3rd switching tube (S3), the other end of described resonant inductance (Ls1) connects an end of described magnetizing inductance (Lm1), the other end of described magnetizing inductance (Lm1) connects the series connection point of described first resonant capacitance (C11) and second resonant capacitance (C12), described rectification circuit (150) is formed bridge rectifier by four rectifier diodes, elementary and the described magnetizing inductance (Lm1) of described isolating transformer (T1) is in parallel, the ac input end of the described bridge rectifier of secondary connection of described isolating transformer (T1), the dc output end of described bridge rectifier connects filter circuit (160) and load.
3. interleaved series DC/DC converter circuit according to claim 1, it is characterized in that: described first module (DC1) comprises switching circuit (130), resonant circuit (140), isolating transformer (T1) and rectification circuit (150), the input of direct voltage two ends described first modules in parallel (DC1), described switching circuit (130) comprises first switching tube (S1), second switch pipe (S2) is in series, described switching circuit (130) is in parallel with described direct voltage two ends to be the input of described first module (DC1), described resonant circuit (140) comprises first resonant capacitance (C11), second resonant capacitance (C12), resonant inductance (Ls1) and magnetizing inductance (Lm1), it is in parallel after described first resonant capacitance (C11) is connected with second resonant capacitance (C12) with described switching circuit (130), one end of described resonant inductance (Ls1) connects the series connection point of described first switching tube (S1) and second switch pipe (S2), the other end of described resonant inductance (Ls1) connects an end of described magnetizing inductance (Lm1), the other end of described magnetizing inductance (Lm1) connects the series connection point of described first resonant capacitance (C11) and second resonant capacitance (C12), described rectification circuit (150) is formed bridge rectifier by four rectifier diodes, elementary and the described magnetizing inductance (Lm1) of described isolating transformer (T1) is in parallel, the ac input end of the described bridge rectifier of secondary connection of described isolating transformer (T1), the dc output end of described bridge rectifier connects filter circuit (160) and load.
4. according to claim 2 or 3 described interleaved series DC/DC converter circuits, it is characterized in that: described switching circuit (130) is connected with described control circuit, and described control circuit is 90 degree to the control signal of first module (DC1) and second module (DC2) angle that staggers.
5. according to claim 2 or 3 described interleaved series DC/DC converter circuits, it is characterized in that: described filter circuit (160) is made of capacitor (C5).
CN201120196234XU 2011-06-13 2011-06-13 Staggered serial DC/DC (Direct Current) converter circuit Expired - Fee Related CN202094804U (en)

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Cited By (8)

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CN102361403A (en) * 2011-06-13 2012-02-22 珠海泰坦新能源系统有限公司 Staggered series direct current (DC)/DC converter circuit
CN102545638A (en) * 2012-01-20 2012-07-04 华为技术有限公司 Interleaving three-level DC/DC converter and AC/DC converter
CN105553271A (en) * 2016-03-04 2016-05-04 盐城工学院 Control method of three-phase DC converter
CN105576985A (en) * 2016-03-04 2016-05-11 盐城工学院 Control method of DC-DC converter
CN105656313A (en) * 2016-03-04 2016-06-08 盐城工学院 Control method of three-phase direct current-direct current converter
CN106301033A (en) * 2016-08-29 2017-01-04 中国人民解放军海军工程大学 The aviation quiet variable power source device of alternating current-direct current timesharing output and control method thereof
CN110391760A (en) * 2019-07-15 2019-10-29 四川大学 A kind of High Power Factor mixed structure multi-output switching converter
CN112670607A (en) * 2020-12-22 2021-04-16 江苏金帆电源科技有限公司 Control system for multi-battery series formation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102361403A (en) * 2011-06-13 2012-02-22 珠海泰坦新能源系统有限公司 Staggered series direct current (DC)/DC converter circuit
CN102545638A (en) * 2012-01-20 2012-07-04 华为技术有限公司 Interleaving three-level DC/DC converter and AC/DC converter
WO2013107322A1 (en) * 2012-01-20 2013-07-25 华为技术有限公司 Interleaving three-level dc/dc converter and ac/dc converter
CN102545638B (en) * 2012-01-20 2016-03-30 华为技术有限公司 Crisscross parallel three level DC/DC converter and AC/DC converter
US9520792B2 (en) 2012-01-20 2016-12-13 Huawei Technologies Co., Ltd. Staggered parallel three-level DC/DC converter and AC/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
CN105553271A (en) * 2016-03-04 2016-05-04 盐城工学院 Control method of three-phase DC converter
CN105576985A (en) * 2016-03-04 2016-05-11 盐城工学院 Control method of DC-DC converter
CN105656313A (en) * 2016-03-04 2016-06-08 盐城工学院 Control method of three-phase direct current-direct current converter
CN105576985B (en) * 2016-03-04 2018-05-25 盐城工学院 A kind of control method of straight convertor
CN105656313B (en) * 2016-03-04 2018-06-05 盐城工学院 A kind of control method of three-phase straight convertor
CN106301033A (en) * 2016-08-29 2017-01-04 中国人民解放军海军工程大学 The aviation quiet variable power source device of alternating current-direct current timesharing output and control method thereof
CN106301033B (en) * 2016-08-29 2019-04-30 中国人民解放军海军工程大学 The quiet power transformation source device of aviation and its control method of alternating current-direct current timesharing output
CN110391760A (en) * 2019-07-15 2019-10-29 四川大学 A kind of High Power Factor mixed structure multi-output switching converter
CN112670607A (en) * 2020-12-22 2021-04-16 江苏金帆电源科技有限公司 Control system for multi-battery series formation
CN112670607B (en) * 2020-12-22 2023-09-05 江苏金帆电源科技有限公司 Control system for multi-battery serial formation

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