CN102684484A - Double-input boost and buck converter within wide input voltage range - Google Patents
Double-input boost and buck converter within wide input voltage range Download PDFInfo
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- CN102684484A CN102684484A CN2011100565361A CN201110056536A CN102684484A CN 102684484 A CN102684484 A CN 102684484A CN 2011100565361 A CN2011100565361 A CN 2011100565361A CN 201110056536 A CN201110056536 A CN 201110056536A CN 102684484 A CN102684484 A CN 102684484A
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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
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Abstract
The invention discloses a double-input boost and buck converter within a wide input voltage range and belongs to the technical field of power electronic converters. The converter consists of two input sources, two input filter capacitors, six switch tubes, a filter inductor, an output filter capacitor and a load, wherein the two input sources are connected in series. The double-input boost and buck converter has the advantages that the two input sources used for the converter can independently supply power for the load and can also simultaneously supply power for the load; the input voltage and the output voltage of the boost and buck converter can be changed within the wide input voltage range; and the double-input boost and buck converter has the advantages of simple structure, low cost and high conversion efficiency, is suitable for the field of new energy source power generation and the like and is particularly suitable for the technical field of photovoltaic power generation.
Description
Technical field
The present invention relates to the power inverter technical field in the generation of electricity by new energy technical field, particularly be a kind of many input inverse-excitation type photovoltaic combining inverters.
Background technology
Studying and utilizing new forms of energy is the effective measures that solve energy crisis and environmental pollution, and most of grid-connected power generation system receive Effect of Environmental, have shortcomings such as energy density is low, supply of electric power is unstable, discontinuous.Adopt multiple new forms of energy cogeneration, make between the various new forms of energy or new forms of energy and other energy between complement each other, can obtain comparatively stable electric energy, like wind and solar hybrid generating system, photovoltaic-civil power associating electric power system etc.For a plurality of input sources are powered to the load jointly, generally need to adopt a plurality of converters combination construction systems, adopt the system bulk of this kind mode, weight big, decentralized control, system dynamics response speed are slow.In order to address the above problem, the researcher has proposed the notion of many input translators.The dual input converter is most typical a kind of in many input translators, powers to the load through adopting the dual input converter can realize that two input sources are united, and has level of integrated system height, efficient advantages of higher.
The photovoltaic integrated converter directly and photovoltaic module be integrated together; Realize functions such as photovoltaic module maximal power tracing and control; Have advantages such as conversion efficiency height, generating efficiency height, high, the suitable modularized design of reliability and production, obtained in recent years to pay close attention to widely.A general converter only links to each other with a photovoltaic module, because output power of photovoltaic module is less, and circuit cost relative fixed and higher such as the control of photovoltaic integrated converter, protection cause the unit generated output cost of photovoltaic integrated converter to improve thus.Utilize many input translators to link to each other with a plurality of photovoltaic modulies simultaneously, realize the maximal power tracing and the control of a plurality of photovoltaic modulies simultaneously, can effectively reduce system cost; On the other hand, the photovoltaic module output voltage can change in very wide scope, and therefore, in order to satisfy the demand, many input translators of research and development adaptation wide input voltage range are significant.Document " Yuan-Chuan Liu; Yaow-Ming Chen.A systematic approach to synthesizing multi-input DC-DC converters, IEEE Transactions on Power Electronics, 2009; 24 (1): 116-127 " and document " Yan Li; Xinbo Ruan, Dongsheng Yang, Fuxin Liu and Chi K.Tse.Synthesis of multiple-input DC/DC converters; IEEE Transactions on Power Electronics; 2010,25 (9): 2372-2385 " have proposed the topology generation method of many input translators respectively, and have constructed multiple multi-input direct current converter topology; The building method of multi-input direct current converter is similar in above-mentioned two pieces of documents, but does not provide the solution of the multi-input direct current converter that adapts to wide input voltage range.
Summary of the invention
The present invention is directed to the existing deficiency of above-mentioned existing inverter, and provide a kind of and have that cost is low, efficient is high, simple in structure, the dual input buck-boost converter that adapts to wide input/output voltage scope.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of dual input buck-boost converter of wide input voltage range, said converter comprise the first and second input source (V
In1, V
In2), the first and second input filter capacitor (C
In1, C
In2), the first switching tube (S
1), the 3rd switching tube (S
3), the 5th switching tube (S
5), first filter element, second filter element, the 3rd filter element, filter inductance (L
f), output filter capacitor (C
o) and load (R
o), wherein: the drain electrode of first switching tube (S1) is connected in the first input source (V respectively
In1) the positive pole and the first input filter capacitor (C
In1) an end, the first switching tube (S
1) source electrode be connected in an end and the filter inductance (L of first filter element respectively
f) an end, the other end of first filter element is connected in the first input source (V respectively
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end, the second input filter capacitor (C
In2) an end and an end of second filter element, the other end of second filter element is connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 3rd switching tube (S
3) source electrode be connected in the second input source (V respectively
In2) the negative pole and the second input capacitance (C
In2) the other end, the 5th switching tube (S
5) drain electrode be connected in filter inductance (L respectively
f) the other end and an end of the 3rd filter element, the other end of the 3rd filter element is connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
In a preferred embodiment of the present invention, said first filter element, second filter element, the 3rd filter element are respectively the second, the 4th and the 6th switching tube (S
2, S
4, S
6), said second switch pipe (S
2) drain electrode be connected in the first switching tube (S respectively
1) source electrode, filter inductance (L
f) an end, second switch pipe (S
2) source electrode be connected in the 4th switching tube (S respectively
4) drain electrode, the first input source (V
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end and the second input filter capacitor (C
In2) an end, the 4th switching tube (S
4) source electrode be connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 6th switching tube (S
6) source electrode be connected in the 5th switching tube (S respectively
5) drain electrode and filter inductance (L
f) the other end, the 6th switching tube (S
6) drain electrode be connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
In another preferred embodiment of the present invention, said first filter element, second filter element, the 3rd filter element are respectively first, second and the 3rd diode (D
1, D
2, D
3), the first diode (D wherein
1) negative electrode be connected in the first switching tube (S respectively
1) source electrode and filter inductance (L
f) an end, the first diode (D
1) anode be connected in the first input source (V respectively
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end, the second input filter capacitor (C
In2) an end and second switch pipe (D
2) negative electrode, second switch pipe (D
2) anode be connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 3rd diode (D
3) anode be connected in filter inductance (L respectively
f) the other end and the 5th switching tube (S
5) drain electrode, the 3rd diode (D
3) negative electrode be connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
The present invention who forms according to technique scheme has the following advantages:
(1) two input source can independently power to the load separately, also can power to the load simultaneously.
The voltage of (2) two input sources can be arbitrary value, and output voltage also can be arbitrary value, can adapt to very wide input/output voltage scope.
(3) input and output altogether, convertor controls is simple, realizes easily.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the schematic diagram of wide input voltage range dual input buck-boost converter of the present invention;
Fig. 2 adopts the schematic diagram of the wide input voltage range dual input buck-boost converter of diode rectification for the present invention;
Fig. 3 is the equivalent circuit diagram of wide input voltage range dual input buck-boost converter of the present invention when first input source powers to the load separately;
Fig. 4 is the equivalent circuit diagram of wide input voltage range dual input buck-boost converter of the present invention when second input source powers to the load separately;
Symbol description among the figure: V
In1, V
In2-first, second input source; C
In1, C
In2-first, second input filter capacitor; L
f-filter inductance; C
o-output filter capacitor; R
o-load; S
1, S
2, S
3, S
4, S
5, S
6Be respectively the first, second, third, fourth, the 5th, the 6th switching tube; D
1, D
2, D
3-first, second, third diode.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, the structure of the wide input voltage range dual input buck-boost converter that provides among this embodiment comprises the first and second input source (V
In1, V
In2), the first and second input filter capacitor (C
In1, C
In2), first to the 6th switching tube (S
1, S
2, S
3, S
4, S
5, S
6), filter inductance (L
f), output filter capacitor (C
o) and load (R
o).
Wherein: the drain electrode of first switching tube (S1) is connected in the first input source (V respectively
In1) the positive pole and the first input filter capacitor (C
In1) an end, the first switching tube (S
1) source electrode be connected in second switch pipe (S respectively
2) drain electrode and filter inductance (L
f) an end, second switch pipe (S
2) source electrode be connected in the first input source (V respectively
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end, the second input filter capacitor (C
In2) an end and the 4th switching tube (S
4) drain electrode, the 4th switching tube (S
4) source electrode be connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 3rd switching tube (S
3) source electrode be connected in the second input source (V respectively
In2) the negative pole and the second input capacitance (C
In2) the other end, the 5th switching tube (S
5) drain electrode be connected in filter inductance (L respectively
f) the other end and the 6th switching tube (S
6) source electrode, the 6th switching tube (S
6) drain electrode be connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
The concrete operation principle of the wide input voltage range dual input buck-boost converter that provides among this embodiment is following:
Suppose first, second input filter capacitor (C
In1, C
In2) and output filter capacitor (C
o) all enough big, input and output voltage all is level and smooth direct current.
Shown in accompanying drawing 1 in the wide input voltage range dual input buck-boost converter, the first switching tube (S
1) and second switch pipe (S
2) complementary conducting, the 3rd switching tube (S
3) and the 4th switching tube (S
4) complementary conducting, the 5th switching tube (S
5) and the 6th switching tube (S
6) complementary conducting.Suppose the first, the 3rd, the 5th switching tube (S
1, S
3, S
5) duty ratio be respectively d
1, d
3And d
5, according to filter inductance (L
f) the weber equilibrium relation, can obtain output voltage (V
o) and first, second input source voltage (V
In1, V
In2) relation be:
As the first input source (V
In1) separately to load (R
o) when supplying power, the 3rd switching tube (S
3) turn-off the 4th switching tube (S always
4) conducting always, the converter equivalent electric circuit is as shown in Figure 3, and the input and output voltage relation satisfies:
Voltage (V when first input source
In1) greater than output voltage (V
o) time, converter is operated in decompression mode, at this moment the 5th switching tube (S
5) turn-off the 6th switching tube (S always
6) conducting always, converter is equivalent to the Buck converter; Voltage (V when first input source
In1) less than output voltage (V
o) time, converter is operated in decompression mode, at this moment the first switching tube (S
1) conducting always, second switch pipe (S
2) turn-off, converter is equivalent to the Boost converter; always
As the second input source (V
In2) when powering to the load separately, the first switching tube (S
1) turn-off second switch pipe (S always
2) conducting always, the converter equivalent electric circuit is as shown in Figure 4, and the input and output voltage relation satisfies:
Under this kind situation, the concrete operation principle of converter and the first input source (V
In1) separately to load (R
o) operation principle in when power supply is similar, repeated description no longer.
As first, second input source (V
In1, V
In2) jointly to load (R
o) when supplying power, the first, second, third and the 4th switching tube (S
1, S
2, S
3, S
4) all be on off state, suppose filter inductance (L
f) enough big, its electric current is level and smooth direct current, load (R
o) power is (P
o), the first input source (V
In1) and the second input source (V
In2) power that provides to load is respectively P
In1, P
In2, then have: P
In1+ P
In2=P
o, and P
In1/ P
In2=(V
In1d
1)/(V
In2d
3), suppose the voltage (V of first, second input source
In1, V
In2) constant, then through regulating the first and the 3rd switching tube (S
1, S
3) the duty ratio proportionate relationship, i.e. the watt level relation that provides to load of two input sources of scalable, on the other hand because the first and the 3rd switching tube (S
1, S
3) duty ratio separately can independent regulation, therefore also independent regulation separately of the power of two input source outputs.
Provide transformer configuration similar among the wide input voltage range dual input buck-boost converter that this embodiment provides and the embodiment 1, its difference is, the second, the 4th and the 6th switching tube (S in the converter that embodiment 1 is provided
2, S
4, S
6) with first, second and the 3rd diode (D
1, D
2, D
3) replace.
Referring to Fig. 2, shown in be the circuit theory diagrams that the present invention adopts the wide input voltage range dual input buck-boost converter of diode rectification, the first diode (D wherein
1) negative electrode be connected in the first switching tube (S respectively
1) source electrode and filter inductance (L
f) an end, the first diode (D
1) anode be connected in the first input source (V respectively
In1) negative pole, the second input source (V
In2) positive pole, the second input filter capacitor (C
In2) an end and second switch pipe (D
2) negative electrode, second switch pipe (D
2) anode be connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 3rd diode (D
3) anode be connected in filter inductance (L respectively
f) the other end and the 5th switching tube (S
5) drain electrode, the 3rd diode (D
3) negative electrode be connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
The dual input buck-boost converter of the wide input voltage range that provides among the embodiment 1 is applicable to the application scenario that voltage is lower, electric current is bigger of input source, like the photovoltaic integrated converter application scenario that directly links to each other with photovoltaic module.
The wide input voltage range dual input buck-boost converter of employing diode rectification is applicable to the higher application scenario of voltage of input source among the embodiment 2.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range to be defined by appending claims and equivalent thereof.
Claims (3)
1. the dual input buck-boost converter of a wide input voltage range is characterized in that, said converter comprises the first and second input source (V
In1, V
In2), the first and second input filter capacitor (C
In1, C
In2), the first switching tube (S
1), the 3rd switching tube (S
3), the 5th switching tube (S
5), first filter element, second filter element, the 3rd filter element, filter inductance (L
f), output filter capacitor (C
o) and load (R
o), wherein: the drain electrode of first switching tube (S1) is connected in the first input source (V respectively
In1) the positive pole and the first input filter capacitor (C
In1) an end, the first switching tube (S
1) source electrode be connected in an end and the filter inductance (L of first filter element respectively
f) an end, the other end of first filter element is connected in the first input source (V respectively
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end, the second input filter capacitor (C
In2) an end and an end of second filter element, the other end of second filter element is connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 3rd switching tube (S
3) source electrode be connected in the second input source (V respectively
In2) the negative pole and the second input capacitance (C
In2) the other end, the 5th switching tube (S
5) drain electrode be connected in filter inductance (L respectively
f) the other end and an end of the 3rd filter element, the other end of the 3rd filter element is connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
2. the dual input buck-boost converter of a kind of wide input voltage range according to claim 1 is characterized in that, said first filter element, second filter element, the 3rd filter element are respectively the second, the 4th and the 6th switching tube (S
2, S
4, S
6), said second switch pipe (S
2) drain electrode be connected in the first switching tube (S respectively
1) source electrode, filter inductance (L
f) an end, second switch pipe (S
2) source electrode be connected in the 4th switching tube (S respectively
4) drain electrode, the first input source (V
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end and the second input filter capacitor (C
In2) an end, the 4th switching tube (S
4) source electrode be connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 6th switching tube (S
6) source electrode be connected in the 5th switching tube (S respectively
5) drain electrode and filter inductance (L
f) the other end, the 6th switching tube (S
6) drain electrode be connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
3. the dual input buck-boost converter of a kind of wide input voltage range according to claim 1 is characterized in that, said first filter element, second filter element, the 3rd filter element are respectively first, second and the 3rd diode (D
1, D
2, D
3), the first diode (D wherein
1) negative electrode be connected in the first switching tube (S respectively
1) source electrode and filter inductance (L
f) an end, the first diode (D
1) anode be connected in the first input source (V respectively
In1) negative pole, the second input source (V
In2) positive pole, the first input filter capacitor (C
In1) the other end, the second input filter capacitor (C
In2) an end and second switch pipe (D
2) negative electrode, second switch pipe (D
2) anode be connected in the 3rd switching tube (S respectively
3) drain electrode, the 5th switching tube (S
5) source electrode, output filter capacitor (C
o) an end and load (R
o) an end, the 3rd diode (D
3) anode be connected in filter inductance (L respectively
f) the other end and the 5th switching tube (S
5) drain electrode, the 3rd diode (D
3) negative electrode be connected in output filter capacitor (C respectively
o) the other end and load (R
o) the other end.
Priority Applications (1)
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|---|---|---|---|
| CN2011100565361A CN102684484A (en) | 2011-03-09 | 2011-03-09 | Double-input boost and buck converter within wide input voltage range |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100565361A CN102684484A (en) | 2011-03-09 | 2011-03-09 | Double-input boost and buck converter within wide input voltage range |
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|---|---|
| CN102684484A true CN102684484A (en) | 2012-09-19 |
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ID=46815982
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163776A1 (en) * | 2012-05-02 | 2013-11-07 | 上海康威特吉能源技术有限公司 | Dual-input step-up/step-down converter of wide input voltage range |
| CN103401419A (en) * | 2013-06-21 | 2013-11-20 | 燕山大学 | Bidirectional double-input BUCK/BUCKBOOST dc converter and power distribution method thereof |
| CN103441671A (en) * | 2013-07-29 | 2013-12-11 | 燕山大学 | Bi-direction dual-input ZETA/BUCKBOOST direct current converter and method for distributing power of direct current converter |
| CN103441674A (en) * | 2013-07-29 | 2013-12-11 | 燕山大学 | Bi-direction dual-input CUK/BUCKBOOST direct current converter and method for distributing power of direct current converter |
| CN103490632A (en) * | 2013-10-10 | 2014-01-01 | 淮海工学院 | Step-up step-down type output voltage balancing circuit |
| CN104953819A (en) * | 2014-03-27 | 2015-09-30 | 喆富创新科技股份有限公司 | Switching circuit for controlling the power supply of a load |
| EP3136576A3 (en) * | 2015-08-07 | 2017-03-22 | MediaTek Inc. | Buck-boost converter and method for controlling buck-boost converter |
| CN108923411A (en) * | 2018-08-07 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of circuit and its control method with voltage holding and reactance voltage surge |
| CN109474183A (en) * | 2018-12-25 | 2019-03-15 | 福州大学 | A kind of dual input high-gain DC/DC converter |
| CN110061625A (en) * | 2019-05-08 | 2019-07-26 | 西南交通大学 | Four Port Translation devices and its control method with double-polarity control |
| CN111884501A (en) * | 2019-10-24 | 2020-11-03 | 株洲中车时代电气股份有限公司 | DC/DC converter |
| CN112234817A (en) * | 2020-08-24 | 2021-01-15 | 国网湖北省电力有限公司武汉供电公司 | Buck circuit with large voltage reduction ratio and low voltage stress |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004032899A (en) * | 2002-06-25 | 2004-01-29 | Murata Mfg Co Ltd | Chopper regulator circuit and electronic device using the same |
| CN201178380Y (en) * | 2008-03-28 | 2009-01-07 | 张海波 | Three-transistor step-up/step-down circuit with wide voltage inputting range for interconnected electricity power |
-
2011
- 2011-03-09 CN CN2011100565361A patent/CN102684484A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004032899A (en) * | 2002-06-25 | 2004-01-29 | Murata Mfg Co Ltd | Chopper regulator circuit and electronic device using the same |
| CN201178380Y (en) * | 2008-03-28 | 2009-01-07 | 张海波 | Three-transistor step-up/step-down circuit with wide voltage inputting range for interconnected electricity power |
Non-Patent Citations (1)
| Title |
|---|
| 李艳等: "一种新的双输入直流变换器", 《电工技术学报》, vol. 23, no. 6, 30 June 2008 (2008-06-30), pages 77 - 82 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163776A1 (en) * | 2012-05-02 | 2013-11-07 | 上海康威特吉能源技术有限公司 | Dual-input step-up/step-down converter of wide input voltage range |
| CN103401419A (en) * | 2013-06-21 | 2013-11-20 | 燕山大学 | Bidirectional double-input BUCK/BUCKBOOST dc converter and power distribution method thereof |
| CN103441671A (en) * | 2013-07-29 | 2013-12-11 | 燕山大学 | Bi-direction dual-input ZETA/BUCKBOOST direct current converter and method for distributing power of direct current converter |
| CN103441674A (en) * | 2013-07-29 | 2013-12-11 | 燕山大学 | Bi-direction dual-input CUK/BUCKBOOST direct current converter and method for distributing power of direct current converter |
| CN103490632A (en) * | 2013-10-10 | 2014-01-01 | 淮海工学院 | Step-up step-down type output voltage balancing circuit |
| CN104953819A (en) * | 2014-03-27 | 2015-09-30 | 喆富创新科技股份有限公司 | Switching circuit for controlling the power supply of a load |
| EP3136576A3 (en) * | 2015-08-07 | 2017-03-22 | MediaTek Inc. | Buck-boost converter and method for controlling buck-boost converter |
| US9831780B2 (en) | 2015-08-07 | 2017-11-28 | Mediatek Inc. | Buck-boost converter and method for controlling buck-boost converter |
| CN108923411A (en) * | 2018-08-07 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of circuit and its control method with voltage holding and reactance voltage surge |
| CN109474183A (en) * | 2018-12-25 | 2019-03-15 | 福州大学 | A kind of dual input high-gain DC/DC converter |
| CN109474183B (en) * | 2018-12-25 | 2020-11-03 | 福州大学 | Double-input high-gain DC/DC converter |
| CN110061625A (en) * | 2019-05-08 | 2019-07-26 | 西南交通大学 | Four Port Translation devices and its control method with double-polarity control |
| CN110061625B (en) * | 2019-05-08 | 2023-10-20 | 西南交通大学 | Four-port converter with bipolar output and control method thereof |
| CN111884501A (en) * | 2019-10-24 | 2020-11-03 | 株洲中车时代电气股份有限公司 | DC/DC converter |
| CN112234817A (en) * | 2020-08-24 | 2021-01-15 | 国网湖北省电力有限公司武汉供电公司 | Buck circuit with large voltage reduction ratio and low voltage stress |
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Application publication date: 20120919 |