CN101521458A - Topological structure for L-shaped booster converter - Google Patents
Topological structure for L-shaped booster converter Download PDFInfo
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- CN101521458A CN101521458A CN200810227506A CN200810227506A CN101521458A CN 101521458 A CN101521458 A CN 101521458A CN 200810227506 A CN200810227506 A CN 200810227506A CN 200810227506 A CN200810227506 A CN 200810227506A CN 101521458 A CN101521458 A CN 101521458A
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- controllable switch
- switch
- capacitor
- converter
- topological structure
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Abstract
The invention discloses a topological structure for an L-shaped booster converter. The topological structure for the L-shaped booster converter is characterized in that: K controllable switches S11, S21 ellipsis.Sk1 are connected in series to form the X axis of the L-shaped converter; K capacitors C1, C2 ellipsis.CK are connected in series to form the Y axis of the L-shaped converter; one end of the control switch S[k1] is connected with the anode of a power supply through an inductor LA, and branches formed by controllable switches S13, S23 ellipsis.Sk3 are arranged between the cathode of the power supply and the nodes of the X axis; branches formed by controllable switches S12, S22 ellipsis.Sk2 are arranged between the nodes from capacitor Ci to capacitor (i+1) and the nodes from controllable switch Si1 to switch S(i+1)1 on the X axis, one end of the capacitor Ck is connected with the nodes of the controllable switch Sk1and the inductor LA through diodes, and the cathode ends of the diodes are connected with the capacitor CK; i is equal to 1, 2 ellipsis.k-1, and k is a positive integer more than or equal to 1; and the converter is expanded through the expansion of the X axis, Y axis, switches and branches of a T-shaped structure.
Description
Technical field
The present invention relates to a kind of circuit topological structure of booster converter, particularly a kind of topological structure that adopts the DC-DC type booster converter of single inductance.
Background technology
In traditional DC-DC booster circuit, when boosting multiple when higher, often adopt the converter of transformer device structure, or multistage structure of boosting.Multiple is higher owing to boost, and control precision is difficult to be guaranteed, and the simultaneity factor cascaded structure has caused system reliability to hang down deficiencies such as reaching stability.
Summary of the invention
Technical problem to be solved by this invention is: solve the control precision of the multiple that boosts when higher, proposed a plurality of output capacitances series connection of a kind of employings, and to the topological structure that each output cascade electric capacity boosts respectively and controls, realized high performance boosting inverter.
In order to achieve the above object, technical scheme of the present invention is as follows:
A kind of topological structure of L type booster converter is by the transverse axis of k switching device series connection formation L code converter; Constitute the longitudinal axis of L code converter by k capacitances in series; The switch of transverse axis high order end links to each other with the hot end of direct-current input power supplying by inductance, and each node of the cold end of direct-current input power supplying and transverse axis is linked to each other by switching branches; Node on the node between adjacent two gate-controlled switches of transverse axis and the longitudinal axis between adjacent two electric capacity is connected by the single-way switch branch road; By horizontal stroke, the longitudinal axis and unidirectional rectification branch road, the unidirectional gate-controlled switch branch road of expansion L type structure, can expand converter, k is the positive integer more than or equal to 1.
Beneficial effect of the present invention:
Compare with traditional DC-DC booster converter, L type booster converter disclosed in this invention adopts the structure of single inductance, and each electric capacity of connecting outlet side is carried out charge independence, under the situation of the higher multiple that boosts, high control precision is arranged; Simultaneously, problems such as the stability of plural serial stage system and reliability deficiency have also been overcome.
Description of drawings
Fig. 1 is the topology diagram of the L type booster converter of the present invention's proposition.
Fig. 2 (a) is the MOSFET equivalence exemplary plot of gate-controlled switch.
Fig. 2 (b) is the IGBT equivalence exemplary plot of gate-controlled switch.
Embodiment
The invention will be further described in conjunction with the accompanying drawings:
Fig. 1 is the topology diagram of L type booster converter.Pass through controllable switch S
11, S
21S
K1K device connected and constituted the transverse axis of L code converter altogether; Pass through capacitor C
1, C
2C
kBe total to the longitudinal axis that k capacitances in series constitutes the L code converter; Switch S
K1An end through inductance L
ALink to each other with positive source, all have between each node of the negative pole of power supply and transverse axis by controllable switch S
13, S
23S
K3The branch road that constitutes; Capacitor C
iWith C
(i+1)(i=1,2 ... k-1, down with) between node and transverse axis on switch S
I1With S
(i+1) 1Node between be by controllable switch S
12, S
22S
K2The branch road that constitutes, capacitor C
kAn end by diode and S
K1And inductance L
ANode link to each other and the negative electrode termination capacitor C of diode
kK is a positive integer, and k 〉=1; By horizontal stroke, the longitudinal axis and the switching branches of expansion L type structure, can expand converter.Load R
LThe load of expression system has the multiple form of the composition and character.
Controllable switch S
K1, S
K2, S
K3, capacitor C
kConstitute the expanding element group of L type booster converter, when pressing above-mentioned connected mode expanded circuit, will increase the progression of converter.
Capacitor C on the longitudinal axis
1, C
2C
kBe output capacitance, capacitive branch adopts tandem discharge mode simultaneously, independent time-sharing charging mode.Discharge condition is the same with traditional booster converter, does not do at this and gives unnecessary details, and below the time-sharing charging of each power supply is sketched description.
Stage, inductance that the charging process of each electric capacity can be divided into inductive energy storage carry out the stage that energy shifts to electric capacity, with the capacitor C shown in Fig. 1
n(n=1,2 ... k) be example, in its energy storage and the energy transfer process, switch S
J1(j＜n) is in off-state, switch S
J1(j〉n), S
(n-1) 2, S
N3Be in opening state, pass through S
N1On off state switch and to carry out work, detailed process is as follows.
The inductive energy storage stage: work as controllable switch S
N1During conducting, make controllable switch S
K1, S
(k-1) 1S
N1, S
N2Be in conducting state, at this moment, power supply V, inductance L
A, controllable switch S
K1, S
(k-1) 1S
N1, S
N2, S
N3Constitute the loop, direct-current input power supplying carries out energy storage to inductance, and the electric current on the inductance constantly increases.
Energy is to the electric capacity transition phase: controllable switch S
N1State switches to and ends, at this moment power supply V, inductance L
A, controllable switch S
N2Anti-diode, capacitor C
n, controllable switch S
(n-1) 2, S
N3Constitute the loop, the energy of direct-current input power supplying and inductance is to capacitor C at this moment
nShift.
Fig. 2 (a) is the MOSFET equivalence exemplary plot of gate-controlled switch.Fig. 2 (b) is the IGBT equivalence exemplary plot of gate-controlled switch.Switch in the topology can select multiple gate-controlled switch or switch topology, only provides two kinds of examples herein.
Claims (3)
1. the topological structure of a L type booster converter is characterized in that: pass through controllable switch S
11, S
21S
K1K device connected and constituted the transverse axis of L code converter altogether; Pass through capacitor C
1, C
2C
kBe total to the longitudinal axis that k capacitances in series constitutes the L code converter; Controllable switch S
K1An end through inductance L
ALink to each other with positive source, all have between each node of the negative pole of power supply and transverse axis by controllable switch S
13, S
23S
K3The branch road that constitutes; Capacitor C
iWith C
(i+1), i=1,2 ... k-1, between node and transverse axis on controllable switch S
I1With S
(i+1) 1Node between be by controllable switch S
12, S
22S
K2The branch road that constitutes, capacitor C
kAn end by diode and controllable switch S
K1And inductance L
ANode link to each other and the negative electrode termination capacitor C of diode
kK is a positive integer, and k 〉=1; By horizontal stroke, the longitudinal axis and the switching branches of expansion T type structure, expand converter.
2. the topological structure of L type booster converter according to claim 1 is characterized in that: controllable switch S
K1, S
K2, S
K3, capacitor C
kConstitute the expanding element group of L type booster converter, when pressing above-mentioned connected mode expanded circuit, will increase the progression of converter.
3. the topological structure of L type booster converter according to claim 1 is characterized in that: controllable switch S
11, S
21S
K1, S
12, S
22S
(k-1) 2Employing has the full control electronic switch or the switch module of inverse parallel diode; Controllable switch S
13, S
23S
K3Adopt the full control electronic switch or the switch module of reverse blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810227506A CN101521458A (en) | 2008-11-28 | 2008-11-28 | Topological structure for L-shaped booster converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810227506A CN101521458A (en) | 2008-11-28 | 2008-11-28 | Topological structure for L-shaped booster converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101521458A true CN101521458A (en) | 2009-09-02 |
Family
ID=41081871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810227506A Pending CN101521458A (en) | 2008-11-28 | 2008-11-28 | Topological structure for L-shaped booster converter |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105207509A (en) * | 2015-10-22 | 2015-12-30 | 北京京仪椿树整流器有限责任公司 | Absorptive L-type four-level Boost circuit |
| EP3105852A4 (en) * | 2014-02-12 | 2017-10-11 | ETA Devices, Inc. | Integrated power supply and modulator for radio frequency power amplifiers |
| US10658981B2 (en) | 2012-10-30 | 2020-05-19 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
| US10840805B2 (en) | 2013-09-24 | 2020-11-17 | Eta Devices, Inc. | Integrated power supply and modulator for radio frequency power amplifiers |
-
2008
- 2008-11-28 CN CN200810227506A patent/CN101521458A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10658981B2 (en) | 2012-10-30 | 2020-05-19 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
| US10840805B2 (en) | 2013-09-24 | 2020-11-17 | Eta Devices, Inc. | Integrated power supply and modulator for radio frequency power amplifiers |
| EP3105852A4 (en) * | 2014-02-12 | 2017-10-11 | ETA Devices, Inc. | Integrated power supply and modulator for radio frequency power amplifiers |
| CN105207509A (en) * | 2015-10-22 | 2015-12-30 | 北京京仪椿树整流器有限责任公司 | Absorptive L-type four-level Boost circuit |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090902 |