CN114726215A - Grid-shaped impedance network soft switching high-gain boost converter - Google Patents

Grid-shaped impedance network soft switching high-gain boost converter Download PDF

Info

Publication number
CN114726215A
CN114726215A CN202210411673.0A CN202210411673A CN114726215A CN 114726215 A CN114726215 A CN 114726215A CN 202210411673 A CN202210411673 A CN 202210411673A CN 114726215 A CN114726215 A CN 114726215A
Authority
CN
China
Prior art keywords
auxiliary
diode
capacitor
power
switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210411673.0A
Other languages
Chinese (zh)
Other versions
CN114726215B (en
Inventor
张桂东
唐僧穗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Technology
Original Assignee
Guangdong University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN202210411673.0A priority Critical patent/CN114726215B/en
Publication of CN114726215A publication Critical patent/CN114726215A/en
Application granted granted Critical
Publication of CN114726215B publication Critical patent/CN114726215B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies 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

Abstract

The invention discloses a grid-shaped impedance network soft switch high-gain boost converter, the voltage gain of the grid-shaped impedance network boost converter is D/(1-D)2Compared with the traditional boost converter, the grid-shaped impedance network boost converter improves the voltage gain. The power circuit mainly comprises a power switch tube, an auxiliary switch tube, three power inductors, an auxiliary inductor, two middle energy storage capacitors, an output capacitor, an auxiliary capacitor, three diodes and two auxiliary diodes. Compared with a traditional booster circuit, the field-shaped impedance network soft switching high-gain boost converter provided by the text can realize zero-voltage zero-current switching-on and switching-off of the main switching tube and the auxiliary switching tube while realizing expansion of output voltage gain, is low in loss and high in transmission efficiency, and has rich applicability and practical value.

Description

Grid-shaped impedance network soft switching high-gain boost converter
Technical Field
The invention relates to the technical field of power electronic converters, in particular to a grid-shaped impedance network soft-switching high-gain boost converter.
Background
The power device MOSFET is widely applied to occasions of short-circuit protection, motor control, switch circuits and the like, and various types and effective design and use methods of the MOSFET are promoted by different design requirements. When the MOSFET is applied to a conventional circuit, the voltage and the current are not zero in the switching process, the inductive turn-off voltage peak is large, the capacitive turn-on current peak is large, the electromagnetic interference is serious, the switching loss is obvious, and the switching noise is large; and the traditional boost converter has a small variation range of the voltage gain of the output voltage, and the output voltage can only be 0-9 times of the input voltage generally, so that the increasing industrial development requirements cannot be met. Therefore, the application range thereof is greatly limited.
Therefore, how to reduce the switching loss while increasing the voltage gain has caused a problem to be solved by those skilled in the art.
The invention designs a high-gain boost converter with soft switching of a field-shaped impedance network, which aims to overcome the defects of the prior art and provide the boost converter with high gain, zero voltage and zero current conversion. When the duty ratio of the power switch tube is designed to be 0.75, the voltage gain of the grid-shaped impedance network soft switching high-gain boost converter is 12 times.
Disclosure of Invention
The invention provides a high-gain boost converter with a soft switch for a field-shaped impedance network. The method can be used for solving the problems of low voltage gain of the traditional boost converter, large switching loss and large noise of the traditional converter circuit.
In view of the above technical problems, the present invention provides a delta-shaped impedance network soft switching high-gain boost converter, which can realize a higher voltage gain, and also can reduce switching loss, and realize zero-voltage zero-current conversion of a power switching tube, and the boost converter includes: the direct-current power supply comprises a direct-current power supply, a power switch tube, an auxiliary switch tube, a first power inductor, a second power inductor, a third power inductor, an auxiliary inductor, a first middle energy storage capacitor, a second middle energy storage capacitor, an output capacitor, a first auxiliary capacitor, a second auxiliary capacitor, a first diode, a second diode, a third diode, a first auxiliary diode, a second auxiliary diode and a load;
the positive electrode of the direct current power supply is connected with the first end of the first power inductor, the cathode of the first auxiliary diode, the second end of the first middle energy storage capacitor and the first end of the second middle energy storage capacitor;
the anode of the first auxiliary diode is connected with the anode of the second diode, the first end of the second power inductor, the first end of the auxiliary switching tube and the first end of the power switching tube;
the cathode of the first diode is connected with the cathode of the second diode and the second end of the first power inductor;
the anode of the first diode is connected with the second end of the second power inductor and the first end of the first middle energy storage capacitor;
the second end of the auxiliary switching tube is connected with the first end of the auxiliary inductor;
the first end of the third power inductor is connected with the second end of the second middle energy storage capacitor and the anode of the third diode;
the first end of the output capacitor is connected with the cathode of the third diode and the first end of the load;
the negative electrode of the direct current power supply is connected with the second end of the power switch tube, the first end of the auxiliary capacitor, the second end of the third power inductor, the second end of the output capacitor, the anode of the second auxiliary diode and the second end of the load;
the second end of the auxiliary inductor is connected with the second end of the auxiliary capacitor and the cathode of the second auxiliary diode.
Preferably, the first intermediate energy storage capacitor, the second intermediate energy storage capacitor, the output capacitor and the second auxiliary capacitor are all electrolytic capacitors;
the first end of the first intermediate energy storage capacitor, the first end of the second intermediate energy storage capacitor, the first end of the output capacitor and the first end of the second auxiliary capacitor are positive ends;
the second end of the first middle energy storage capacitor, the second end of the second middle energy storage capacitor, the second end of the output capacitor and the second end of the second auxiliary capacitor are negative ends.
Preferably, the power switch tube and the auxiliary switch tube are both NMOS tubes.
The power switch tube and the auxiliary switch tube have first ends which are source electrodes of the NMOS tube, and second ends which are drain electrodes of the NMOS tube.
According to the technical scheme, the implementation of the invention has the following beneficial effects:
compared with the traditional boost converter, the boost converter has higher voltage gain, can realize zero-voltage zero-current conversion of the switching tube, reduces the switching loss of the switching tube, and improves the efficiency of the boost converter.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following brief descriptions are provided for the drawings required in the prior art and the embodiments, and the following drawings are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a topology diagram of an embodiment of a Tatian-shaped impedance network soft switching high gain boost converter of the present invention;
2-11 are diagrams of the main operation modes of the circuit topology of the present invention in one switching period; wherein: fig. 2 is a topological structure diagram of the operation mode 1;
fig. 3 is a topological structure diagram of the operation mode 2;
fig. 4 is a topological structure diagram of the working mode 3;
fig. 5 is a topological structure diagram of the operation mode 4;
fig. 6 is a topological structure diagram of the operation mode 5;
FIG. 7 is a topological structure diagram of an operating modality 6;
fig. 8 is a topological structure diagram of the operation mode 7;
FIG. 9 is a topological structure diagram of the working modality 8;
FIG. 10 is a topological structure diagram of the working modality 9;
fig. 11 is a topological structure diagram of the operation mode 10.
In the figure, a solid line indicates a part through which current flows in the converter, and a broken line indicates a part through which no current flows in the converter;
wherein: vgFor input of DC power, S1Is a power switch tube, S2For auxiliary switching tube, D1Is a first diode, D2Is a second diode, D3Is a third diode, Dr1Is a first auxiliary diode, Dr2Is a second auxiliary diode, C1Is a first intermediate energy-storage capacitor, C2For the second intermediate energy-storage capacitor, C3Is an output capacitor, Cr2Is an auxiliary capacitor, L1Is a first power inductor, L2Is a second power inductor, L3Is a third power inductor, LrIs an auxiliary inductor.
Detailed Description
The invention discloses a field-shaped impedance network soft switch high-gain boost converter, wherein the voltage gain of the field-shaped impedance network boost converter is D/(1-D)2Compared with the traditional boost converter, the voltage gain of the field impedance network boost converter is improved. The power circuit mainly comprises a power switch tube, an auxiliary switch tube, three power inductors, an auxiliary inductor, two middle energy storage capacitors, an output capacitor, an auxiliary capacitor, three diodes and two auxiliary diodes. Compared with a traditional booster circuit, the field-shaped impedance network soft switching high-gain boost converter provided by the text can realize zero-voltage zero-current switching-on and switching-off of the main switching tube and the auxiliary switching tube while realizing expansion of output voltage gain, is low in loss and high in transmission efficiency, and has rich applicability and practical value.
In order to make the objects, technical solutions and features of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Power switch tube S of the invention1And an auxiliary switching tube S2Taking N-channel field effect transistor as an example, in practical application, a user can select the corresponding power switch transistor S according to practical requirements1And an auxiliary switching tube S2The invention is not limited herein.
For ease of understanding, referring to fig. 1, the present invention provides an embodiment of a delta-shaped impedance network soft-switching high-gain boost converter, comprising: DC power supply VgPower switch tube S1Auxiliary switch tube S2A first diode D1A second diode D2A third diode D3A first auxiliary diode Dr1A second auxiliary diode Dr2A first intermediate energy storage capacitor C1A second intermediate energy storage capacitor C2Output capacitor C3And an auxiliary capacitor Cr2A first power inductor L1A second power inductor L2A third power inductor L3Auxiliary inductor LrA load R;
the DC power supply VgAnd the first power inductor L1First terminal of, the first auxiliary diode Dr1Of said first intermediate energy-storage capacitor C1And a second terminal of said second intermediate energy-storage capacitor C2Is connected with the first end of the first connecting pipe;
the first auxiliary diode Dr1And the second diode D2The anode of (2), the second power inductor L2First end of, the auxiliary switching tube S2First terminal of and the power switch tube S1Is connected with the first end of the first connecting pipe;
the first diode D1And the second diode D2And the first power inductor L1Is connected with the second end of the first end;
the first diode D1And the second power inductor L2And said first intermediate energy-storage capacitor C1Is connected with the first end of the first connecting pipe;
the auxiliary switch tube S2And the second terminal of the auxiliary inductor LrIs connected with the first end of the first connecting pipe;
the third power inductor L3First end of and the second intermediate energy-storage capacitor C2Second terminal and third diode D3The anode of (2) is connected;
the output capacitor C3First terminal of and the third diode D3Is connected to a first end of the load R;
the DC power supply VgAnd the power switch tube S1Second terminal of, said auxiliary capacitance Cr2First terminal of, the third power inductance L3Second terminal of, said output capacitor C3Second terminal of, the second auxiliary diode Dr2Is connected to a second end of the load R;
the auxiliary inductor LrAnd a second terminal of the auxiliary capacitor and the second auxiliary diode Dr2Is connected to the cathode.
It should be noted that, in the embodiment of the present invention, the delta-shaped impedance network soft switching high-gain boost converter switches the transistor S according to the power1And an auxiliary switching tube S2And the off state is divided into 10 working modes, specifically referring to fig. 2 to 11, and the dotted line portion in fig. 2 to 11 is a non-working portion, which may be regarded as not present. The working principle of the soft-switching high-gain boost converter of the impedance network shaped like a Chinese character tian in the embodiment of the invention can be described as follows:
the working mode 1 is shown in fig. 2:
power switch tube S1And an auxiliary switching tube S2Turn off, in the main circuit, the first diode D1Off, the second diode D2And a third diode D3Conducting, first power inductance L1A second power inductor L2A third power inductor L3In the discharging state, the first intermediate energy storage capacitor C1A second intermediate energy storage capacitor C2An output capacitor C3In an energy storage state; in the auxiliary circuit, an auxiliary capacitor Cr2An increase in voltage of;
in this working mode, the relation of the relevant electrical parameters is:
VL1=VO+VC2-VC1-Vg (1)
VL2=VC1 (2)
VL3=VO (3)
wherein, VL1Representing the first power inductance L1Voltage across, V, in this mode of operationL2Representing the second power inductance L2Voltage across terminals, V, in this mode of operationL3Representing the third power inductance L3Voltage across, V, in this mode of operationORepresenting the output voltage.
The working mode 2 is shown in fig. 3:
auxiliary switch tube S2Is conducted due to the auxiliary switch tube S2And an auxiliary inductance LrIn series, and iLr(t) is 0, so the auxiliary switch tube S2And zero-voltage and zero-current switching-on is realized. In this mode, the resonant network is formed by an auxiliary inductor LrAnd an auxiliary capacitor Cr2Auxiliary switch tube S2A second intermediate energy storage capacitor C2An output capacitor C3A third power inductor L3Composition uCr2The resonance starts to increase. Due to the generation of a reverse current, the third diode D3The current of (c) will decrease accordingly.
The working mode 3 is shown in fig. 4:
first auxiliary diode Dr1A second auxiliary diode Dr2Conducting auxiliary inductor LrSubject to a forward voltage iLrIncreasing linearly.
The working mode 4 is shown in fig. 5:
power switch tube S1Is turned on because of the power switch tube S1And a third diode D3Are simultaneously turned on, so iLrThe linearity decreases.
The working mode 5 is shown in fig. 6:
power switch tube S1Is turned off by the body diode ofLrPersistenceStep-down, the second auxiliary diode Dr2Turn-off, auxiliary switch tube S2The body diode of (2) is turned on. In this mode, the resonant network is formed by an auxiliary inductance LrAnd an auxiliary capacitor Cr2Auxiliary switch tube S2The body diode of (1).
Mode of operation 6 is shown in fig. 7:
power switch tube S1On, the first diode D1On, the second diode D2A third diode D3A first auxiliary diode Dr1A second auxiliary diode Dr2Off, first power inductor L1A second power inductor L2And a third power inductor L3In the energy storage state, a first intermediate energy storage capacitor C1A second intermediate energy storage capacitor C2And an output capacitor C3In a discharging state;
in this working mode, the relation of the relevant electrical parameters is:
V′L1=Vg+VC1 (4)
V′L2=Vg (5)
V′L3=VC2 (6)
wherein, VgRepresents a DC power supply voltage, V'L1Representing the first power inductance L1Voltage across, V 'in this operating mode'L2Representing the second power inductance L2Voltage across both ends, V 'in this operating mode'L3Representing the third power inductance L3Voltage across, V, in this mode of operationC1Representing a first intermediate energy-storage capacitor C1Voltage across, VC2Representing a second intermediate energy-storage capacitor C2The voltage across.
The working mode 7 is shown in fig. 8:
power switch tube S1Auxiliary switch tube S2Conducting, the resonant network being formed by an auxiliary inductor LrAnd an auxiliary capacitor Cr2Power switch tube S1And an auxiliary switching tube S2And (4) forming. i.e. iLrThe resonance increases from zero.
The working mode 8 is shown in fig. 9:
power switch tube S1The body diode of (1) is conducted, and the resonant network is composed of an auxiliary inductor LrAnd an auxiliary capacitor Cr2Auxiliary switch tube S2And a power switch tube S1The body diode of (1).
The working mode 9 is shown in fig. 10:
power switch tube S1The body diode of (1) is turned off, and the auxiliary switch tube S2The body diode of (2) is conducted, and the resonant network is composed of an auxiliary inductor LrPower switch tube S1Parasitic capacitance C ofr1And an auxiliary capacitor Cr2And an auxiliary switching tube S2The body diode of (1) and a power switch tube S1Parasitic capacitance C ofr1In a discharge state, iLrAnd UCr2Descending, UCr1The resonance increases.
The working mode 10 is shown in fig. 11:
auxiliary switch tube S2Turn-off of the body diode of the power switch tube S1Parasitic capacitance C ofr1And is in an energy storage state.
And (3) analyzing voltage gain when the converter works stably:
setting the switching period of the switch tube to be TSDuty cycle D, i.e. duration of mode 6 of operation DTSWith a working mode 1 of duration (1-D) TS. According to the voltage-second balance characteristic of the inductance, the following can be obtained:
V′L1DTS=VL1(1-D)TS (7)
V′L2DTS=VL2(1-D)TS (8)
V′L3DTS=VL3(1-D)TS (9)
the simultaneous type (1) to formula (6) can be obtained:
VC1=DVg/(1-D) (10)
VC2=DVg/(1-D) (11)
VO=DVg/(1-D)2 (12)
therefore, the voltage gain M of the grid-shaped impedance network soft switching high-gain boost converter is as follows:
M=VO/Vg=D/(1-D)2
in the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.

Claims (6)

1. A field-shaped impedance network soft switching high-gain boost converter is characterized by comprising: the direct-current power supply, the power switch tube, the auxiliary switch tube, the first power inductor, the second power inductor, the third power inductor, the auxiliary inductor, the first intermediate energy storage capacitor, the second intermediate energy storage capacitor, the output capacitor, the first auxiliary capacitor, the second auxiliary capacitor, the first diode, the second diode, the third diode, the first auxiliary diode, the second auxiliary diode and the load;
the positive electrode of the direct current power supply is connected with the first end of the first power inductor, the cathode of the first auxiliary diode, the second end of the first middle energy storage capacitor and the first end of the second middle energy storage capacitor;
the anode of the first auxiliary diode is connected with the anode of the second diode, the first end of the second power inductor, the first end of the auxiliary switching tube and the first end of the power switching tube;
the cathode of the first diode is connected with the cathode of the second diode and the second end of the first power inductor;
the anode of the first diode is connected with the second end of the second power inductor and the first end of the first middle energy storage capacitor;
the second end of the auxiliary switching tube is connected with the first end of the auxiliary inductor;
the first end of the third power inductor is connected with the second end of the second intermediate energy storage capacitor and the anode of the third diode;
the first end of the output capacitor is connected with the cathode of the third diode and the first end of the load;
the negative electrode of the direct current power supply is connected with the second end of the power switch tube, the first end of the auxiliary capacitor, the second end of the third power inductor, the second end of the output capacitor, the anode of the second auxiliary diode and the second end of the load;
the second end of the auxiliary inductor is connected with the second end of the auxiliary capacitor and the cathode of the second auxiliary diode.
2. The delta-shaped impedance network soft switching high-gain boost converter according to claim 1, characterized in thatCharacterized in that the voltage gain is D/(1-D)2When the duty ratio of the power switch tube is 0.75, the gain of the output voltage is 12 times of the input voltage.
3. The delta-impedance network soft-switching high-gain boost converter according to claim 1, wherein the input impedance is a delta-network, and is composed of said first diode, said second diode, said first auxiliary diode, said first power inductor, said second power inductor, and said first intermediate energy-storage capacitor.
4. The delta-shaped impedance network soft-switching high-gain boost converter according to claim 1, wherein an auxiliary network composed of the first auxiliary diode, the second auxiliary diode, the auxiliary switching tube, the second auxiliary capacitor and the auxiliary inductor enables the power switching tube to realize zero-voltage zero-current conversion, and reduces switching loss of the power switching tube.
5. The field-type impedance network soft-switching high-gain boost converter according to claim 1, wherein the auxiliary switching tube in the auxiliary network is switched twice in one cycle, and zero-voltage zero-current conversion is realized in both switching processes, so that the switching loss of the auxiliary switching tube is reduced.
6. The delta-shaped impedance network soft-switching high-gain boost converter according to claim 1, wherein said first intermediate energy-storage capacitor, said second intermediate energy-storage capacitor, said output capacitor, and said auxiliary capacitor are electrolytic capacitors;
the first end of the first intermediate energy storage capacitor, the first end of the second intermediate energy storage capacitor, the first end of the output capacitor and the first end of the auxiliary capacitor are all positive ends;
the second end of the first middle energy storage capacitor, the second end of the second middle energy storage capacitor, the second end of the output capacitor and the second end of the auxiliary capacitor are negative terminals.
CN202210411673.0A 2022-04-19 2022-04-19 High-gain boost converter for soft switching of impedance network shaped like Chinese character' tian Active CN114726215B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210411673.0A CN114726215B (en) 2022-04-19 2022-04-19 High-gain boost converter for soft switching of impedance network shaped like Chinese character' tian

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210411673.0A CN114726215B (en) 2022-04-19 2022-04-19 High-gain boost converter for soft switching of impedance network shaped like Chinese character' tian

Publications (2)

Publication Number Publication Date
CN114726215A true CN114726215A (en) 2022-07-08
CN114726215B CN114726215B (en) 2022-11-08

Family

ID=82244719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210411673.0A Active CN114726215B (en) 2022-04-19 2022-04-19 High-gain boost converter for soft switching of impedance network shaped like Chinese character' tian

Country Status (1)

Country Link
CN (1) CN114726215B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115580107A (en) * 2022-09-28 2023-01-06 广东工业大学 Novel soft switch impedance network

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140056032A1 (en) * 2012-08-23 2014-02-27 Allis Electric Co., Ltd. High-efficiency High Step-up Ratio Direct CurrentConverter with Interleaved Soft-switchingMechanism
CN104300780A (en) * 2013-07-15 2015-01-21 同济大学 Large power non-isolation DC/DC soft switching circuit
CN104779795A (en) * 2015-04-28 2015-07-15 北京理工大学 High-gain direct-current boost converter based on improved impedance source
CN105896993A (en) * 2016-05-30 2016-08-24 西安交通大学 High-gain isolation type direct-current converter for multi-unit diode capacitor network
CN106655775A (en) * 2016-12-29 2017-05-10 三峡大学 Two-port input ZVT high-gain Boost converter containing soft switching
US20170133853A1 (en) * 2014-06-20 2017-05-11 Katholieke Universiteit Leuven Methods and devices for increasing the voltage gain range of a dc-dc power converter
CN106849681A (en) * 2017-04-11 2017-06-13 厦门大学 A kind of high-gain isolated active clamping Sofe Switch DC DC converters
CN108923657A (en) * 2018-07-02 2018-11-30 杭州茂力半导体技术有限公司 Controlled resonant converter and its control circuit and control method
CN109462337A (en) * 2018-12-29 2019-03-12 北京中科绿能科技有限公司 A kind of high step-up ratio cascade connected electric bridge type impedance network DC/DC converter and control method
CN111211687A (en) * 2020-01-15 2020-05-29 广东工业大学 Hourglass-shaped impedance network boost converter and switching power supply
CN111464028A (en) * 2020-03-31 2020-07-28 天津大学 Non-isolated low-current ripple high-voltage gain soft switching DC-DC converter
CN113541486A (en) * 2021-06-23 2021-10-22 南京军曜科技有限公司 Interleaved diode capacitor network high-gain ZVT (zero voltage zero volt) direct current converter and auxiliary circuit
CN113691123A (en) * 2021-08-23 2021-11-23 三峡大学 Zero-voltage turn-off zero-current turn-on high-gain Zeta converter
CN113746324A (en) * 2021-08-23 2021-12-03 三峡大学 High-gain soft-switching Buck-Boost converter
WO2021259918A1 (en) * 2020-06-23 2021-12-30 Syddansk Universitet Soft-switching pulse-width modulated dc-dc power converter

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140056032A1 (en) * 2012-08-23 2014-02-27 Allis Electric Co., Ltd. High-efficiency High Step-up Ratio Direct CurrentConverter with Interleaved Soft-switchingMechanism
CN104300780A (en) * 2013-07-15 2015-01-21 同济大学 Large power non-isolation DC/DC soft switching circuit
US20170133853A1 (en) * 2014-06-20 2017-05-11 Katholieke Universiteit Leuven Methods and devices for increasing the voltage gain range of a dc-dc power converter
CN104779795A (en) * 2015-04-28 2015-07-15 北京理工大学 High-gain direct-current boost converter based on improved impedance source
CN105896993A (en) * 2016-05-30 2016-08-24 西安交通大学 High-gain isolation type direct-current converter for multi-unit diode capacitor network
CN106655775A (en) * 2016-12-29 2017-05-10 三峡大学 Two-port input ZVT high-gain Boost converter containing soft switching
CN106849681A (en) * 2017-04-11 2017-06-13 厦门大学 A kind of high-gain isolated active clamping Sofe Switch DC DC converters
CN108923657A (en) * 2018-07-02 2018-11-30 杭州茂力半导体技术有限公司 Controlled resonant converter and its control circuit and control method
CN109462337A (en) * 2018-12-29 2019-03-12 北京中科绿能科技有限公司 A kind of high step-up ratio cascade connected electric bridge type impedance network DC/DC converter and control method
CN111211687A (en) * 2020-01-15 2020-05-29 广东工业大学 Hourglass-shaped impedance network boost converter and switching power supply
CN111464028A (en) * 2020-03-31 2020-07-28 天津大学 Non-isolated low-current ripple high-voltage gain soft switching DC-DC converter
WO2021259918A1 (en) * 2020-06-23 2021-12-30 Syddansk Universitet Soft-switching pulse-width modulated dc-dc power converter
CN113541486A (en) * 2021-06-23 2021-10-22 南京军曜科技有限公司 Interleaved diode capacitor network high-gain ZVT (zero voltage zero volt) direct current converter and auxiliary circuit
CN113691123A (en) * 2021-08-23 2021-11-23 三峡大学 Zero-voltage turn-off zero-current turn-on high-gain Zeta converter
CN113746324A (en) * 2021-08-23 2021-12-03 三峡大学 High-gain soft-switching Buck-Boost converter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GUIDONG ZHANG 等: "Controllability_Analysis_and_Verification_for_High-Order_DCDC_Converters_Using_Switched_Linear_Systems_Theory", 《IEEE TRANSACTIONS ON POWER ELECTRONICS》 *
丘恒越 等: "基于准Z源的低电容电压应力高增益DC-DC变换器", 《电源学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115580107A (en) * 2022-09-28 2023-01-06 广东工业大学 Novel soft switch impedance network
CN115580107B (en) * 2022-09-28 2023-05-12 广东工业大学 Novel soft switch impedance network

Also Published As

Publication number Publication date
CN114726215B (en) 2022-11-08

Similar Documents

Publication Publication Date Title
CN109217681B (en) Bidirectional resonant converter
US6525513B1 (en) Soft switching topological circuit in boost or buck converter
CN115765445B (en) High-gain converter and control method thereof
CN110829838B (en) Zero-voltage soft-switching bidirectional Buck/Boost converter
CN108199579B (en) High-transformation-ratio soft-switching DC-DC buck converter with coupling inductor
CN114726215B (en) High-gain boost converter for soft switching of impedance network shaped like Chinese character' tian
CN111525809A (en) High-frequency hybrid direct-current converter with adjustable output voltage
CN110535339A (en) A kind of quadratic form Boost of low capacitance voltage stress
CN110034681B (en) Staggered parallel ZVZCS high-boost DC/DC converter
CN110620515A (en) Secondary LLC resonant power conversion circuit
CN217240596U (en) Buck-Boost soft switching circuit
CN108599560B (en) Multi-bootstrap cascade DC-DC converter with two-capacitor clamping for photovoltaic system
CN216774624U (en) High-voltage gain soft switching DC-DC converter
US20220158553A1 (en) Dc-dc converter
CN111786558B (en) High-efficiency converter with high boosting capacity
CN211127583U (en) Buck circuit
CN114583953A (en) Zero-ripple energy storage bidirectional converter and control method thereof
CN2879520Y (en) Single inductance soft switch dc convertor
CN210490731U (en) High step-up ratio DC conversion device
CN106787706B (en) Coupling inductor hybrid lifting converter
CN115580107B (en) Novel soft switch impedance network
CN108448892B (en) Quadratic form is many times presses unit DC-DC converter for photovoltaic system
CN111092555B (en) Three-level soft switch high-frequency resonant converter
CN110277923A (en) A kind of soft switch in three electrical levels DC converter of Active control primary current shutdown
CN111130349A (en) H-bridge high-gain boost converter and switching power supply

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant