CN116505771B - Coulomb force adsorption high-voltage circuit with multiple working modes - Google Patents

Coulomb force adsorption high-voltage circuit with multiple working modes Download PDF

Info

Publication number
CN116505771B
CN116505771B CN202310473485.5A CN202310473485A CN116505771B CN 116505771 B CN116505771 B CN 116505771B CN 202310473485 A CN202310473485 A CN 202310473485A CN 116505771 B CN116505771 B CN 116505771B
Authority
CN
China
Prior art keywords
switch tube
tube
power supply
complementary
mode
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.)
Active
Application number
CN202310473485.5A
Other languages
Chinese (zh)
Other versions
CN116505771A (en
Inventor
乐卫平
刘涛
姚志毅
黄晓东
章兵
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.)
Shenzhen CSL Vacuum Science and Technology Co Ltd
Original Assignee
Shenzhen CSL Vacuum Science and Technology Co Ltd
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 Shenzhen CSL Vacuum Science and Technology Co Ltd filed Critical Shenzhen CSL Vacuum Science and Technology Co Ltd
Priority to CN202310473485.5A priority Critical patent/CN116505771B/en
Publication of CN116505771A publication Critical patent/CN116505771A/en
Application granted granted Critical
Publication of CN116505771B publication Critical patent/CN116505771B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion 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
    • H02M3/145—Conversion 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
    • H02M3/155—Conversion 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
    • H02M3/156—Conversion 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
    • H02M3/158—Conversion 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

The invention relates to a coulomb force adsorption high-voltage circuit with multiple working modes, relates to the technical field of power electronic power converters, and solves the problems of single working mode and voltage gain and higher voltage and current stress of converter devices in the existing high-voltage circuit. The circuit comprises: power supplyAnd power supplyConnected first boost unit, power supplyAnd power supplyConnected second boosting unit and photovoltaic power supply systemAnd photovoltaic power supply systemA third boost unit connected; the second boosting unit is respectively connected with the first boosting unit and the third boosting unit; the third boost unit is connected with the output capacitorAnd a load; the multiple operation mode includes: single source input mode of operation, dual source input mode of operation, and three source input mode of operation.

Description

Coulomb force adsorption high-voltage circuit with multiple working modes
Technical Field
The invention relates to the technical field of power electronic power converters, in particular to a coulomb force adsorption high-voltage circuit with multiple working modes.
Background
The process of manufacturing the chip is to etch and photoetching the Si sheet, and the Si sheet is firmly adsorbed in a designated working area by high-voltage direct current under the chip manufacturing process, so that the fine process is realized. The hvdc is typically implemented by a conventional Flyback (Flyback) circuit, which requires high device stress and only one mode of operation and voltage gain.
The existing high-voltage circuit has the following defects:
(1) The working mode is single, the voltage gain is low, and the voltage boosting of larger multiple is difficult to realize;
(2) The voltage of the secondary winding of the transformer is very high, so that the voltage stress of the diode is very high, and the service life of the converter is reduced.
Disclosure of Invention
In view of the above analysis, the embodiment of the invention aims to provide a coulomb force adsorption high-voltage circuit with multiple working modes, which is used for solving the problems of single working mode and voltage gain and higher voltage-current stress of a converter device existing in the existing high-voltage circuit.
The invention discloses a coulomb force adsorption high-voltage circuit with multiple working modes, which comprises: power supplyAnd (2) and power supply->A first boost unit connected with the power supply->And (2) and power supply->A second boost unit connected with the photovoltaic power supply system ∈>And (3) a photovoltaic power system>A third boost unit connected; the second boosting unit is respectively connected with the first boosting unit and the third boosting unit; the third boost unit is connected with an output capacitor +.>And a load;
the multiple operation mode includes: a single source input mode of operation, a dual source input mode of operation, and a triple source input mode of operation; wherein,
in the single source input mode of operation, power supply basedA second boost unit, a third boost unit and an output capacitorSupplying power to the load;
in the dual source input mode of operation, power basedPower supply->The first boost unit, the second boost unit, the third boost unit and the output capacitor +.>Supplying power to the load;
in the three-source input operation mode, power supply basedPower supply->Photovoltaic power supply system->The first boost unit, the second boost unit, the third boost unit and the output capacitor +.>Power is supplied to the load.
Based on the scheme, the invention also makes the following improvements:
further, the first boost unit includes an inductorCapacitance->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein,
power supplyPositive electrode connection inductance->Is one end of (1), inductance->The other end of the switch tube is respectively connected with>Drain, capacitance->Is a member of the group; capacitance->The other end of the switch is connected with a complementary switch tube>Source of (2), switch tube->Source of (C) complementary switching tube->Is of (2)The poles are connected with a power supply->Is a negative electrode of (a).
Further, the second boost unit includes an inductorCapacitance->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein,
power supplyPositive electrode connection inductance->Is one end of (1), inductance->The other end of the switch tube is respectively connected with>Drain, capacitance->Is a member of the group; capacitance->The other end of the switch is connected with a complementary switch tube>A source of (a); switch tube->Source electrode of (C) is connected with complementary switch tube->A source of (a); complementary switching tube->Is connected with the drain of the power supply->Is a negative electrode of (a);
power supplyIs connected with the power supply->Is a negative electrode of (a).
Further, the third boost unit includes an inductorCapacitance->Switch tube->Switch tube->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein,
photovoltaic power systemPositive electrode connection switching tube->Drain electrode of (2), switch tube->The sources of (a) are respectively connected with a capacitor->One end of a switch tube->Drain and inductance of (2)>Is a member of the group; switch tube->Source electrode of (C) is connected with a switch tube->A drain electrode of (2); inductance->The other end of the switch tube is respectively connected with>Drain electrode of (C) complementary switching tube->A source of (a); switch tube->Source electrode of (C) is connected with complementary switch tube->A source of (a); complementary switching tube->The drains of the (a) are respectively connected with the output capacitor->One end of the load; output capacitance->The other end of (2) and the capacitance->The other end of the load is connected with a photovoltaic power supply system>Is a negative electrode of (a);
photovoltaic power systemIs connected with the power supply->Is a negative electrode of (a).
Further, the single source input operation mode includes:
modality 1: control switch tubeAnd switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->And switch tube->Switch to off state, by output capacitance +.>Separately supplying power to the load;
modality 2: control switch tubeAnd switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->And switch tube->Switching to the on state, the inductor is +.>And inductance->Through complementary switching tubes->To output capacitance->And a load power supply.
Further, the voltage gain in the single source input mode of operationExpressed as:
（1）
wherein,indicating switch tube->Is a duty cycle of (c).
Further, the dual source input operation mode includes:
modality 1: control switch tubeSwitch tube->And switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->Switch tube->And switch tube->Switch to off state, by output capacitance +.>Separately supplying power to the load;
modality 2: control switch tubeSwitch tube->Switch tube->And switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switching to the on state, the inductor is +.>And inductance->Through complementary switching tubes->To output capacitance->And a load power supply.
Further, ifAnd->Then, the voltage gain in the dual source input operation mode +.>Expressed as:
（2）
if it isAnd->Then, the first and second processes, respectively,
（3）
wherein,、/>respectively represent a switch tube->Switch tube->Duty cycle of>Representing the reference duty cycle.
Further, the three-source input operation mode includes:
modality 1: control switch tubeSwitch tube->Switch tube->And switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switch to off state, by output capacitance +.>Separately supplying power to the load;
modality 2: control switch tubeSwitch tube->Switch tube->And switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switching to the on state, the inductor is +.>And photovoltaic power supply system->Through complementary switching tubes->To output capacitance->And a load power supply.
Further, ifAnd->Then, the voltage gain in the three-source input operation mode +.>Expressed as:
（4）
wherein,、/>、/>respectively represent a switch tube->Switch tube->Switch tube->Duty cycle of (2); />Representing the reference duty cycle.
Further, the power supplyIs a charging power supply; at this time, the multi-working mode further includes a charging working mode;
in the charging operation mode, a photovoltaic-based power supply systemThe first boosting unit, the second boosting unit and the third boosting unit are power supplies +.>And (5) charging.
Further, the charging operation mode includes:
modality 1: control switch tubeAnd switch tube->Switching to an on stateControl switch tube->Switch tube->Switch tube->Complementary switching tube->Complementary switching tube->And complementary switching tube->Switching to the off state, photovoltaic power system +.>Is a power supply->Charging;
modality 2: control switch tubeAnd complementary switching tube->Switching to an on state, controlling the switching tube +.>Switch tube->Switch tube->Switch tube->Complementary switching tube->And complementary switching tube->Switch to the off state, by inductance +.>Through complementary switching tubes->And switch tube->The body diode of (2) is the power supply +.>And (5) charging.
Compared with the prior art, the invention has at least one of the following beneficial effects:
the coulomb force adsorption high-voltage circuit with multiple working modes provided by the invention has four working modes, and has the following beneficial effects:
(1) High output voltage flexibility. Three different voltage gains are provided, and the requirements of various voltage selections can be met.
(2) The voltage stress of the device is reduced. The three-stage boosting unit can reduce the voltage stress of the device.
(3) Through a photovoltaic power systemThe energy lost by the circuit can be replenished.
In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to designate like parts throughout the drawings;
FIG. 1 is a circuit diagram of a multi-mode coulomb force absorption high-voltage circuit according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of operation of the Coulomb force absorption high voltage circuit in a multi-mode of operation in mode 1 of single source input operation;
FIG. 3 is a schematic diagram of operation of the Coulomb force absorption high voltage circuit in a multi-mode of operation in mode 2 of single source input operation;
FIG. 4 is a schematic diagram of operation of the Coulomb force absorption high voltage circuit in a multi-mode of operation in mode 1 of dual source input operation;
FIG. 5 shows the mode 1 in the dual-source input modeA coulomb force adsorption high-voltage circuit working diagram with a plurality of working modes;
FIG. 6 is a schematic diagram of operation of the Coulomb force absorption high voltage circuit in a multi-mode of operation in mode 2 of dual source input operation;
FIG. 7 is a schematic diagram of operation of the Coulomb force absorption high voltage circuit in a multi-mode of operation in mode 1 of three-source input operation;
FIG. 8 is a schematic diagram of operation of the Coulomb force absorption high voltage circuit in a multi-mode of operation in mode 2 of a three-source input mode of operation;
FIG. 9 is a schematic diagram of the operation of the Coulomb force absorption high voltage circuit in mode 1 of the charging mode of operation;
FIG. 10 is a schematic diagram of the operation of the Coulomb force absorption high voltage circuit in mode 2 of the charging mode of operation;
reference numerals: 1-a first boost unit; 2-a second boosting unit; 3-a third boosting unit.
Detailed Description
Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the invention, and are not intended to limit the scope of the invention.
In one embodiment of the present invention, a coulomb force adsorption high-voltage circuit with multiple operation modes is disclosed, the circuit diagram is shown in fig. 1, and the high-voltage circuit comprises: power supplyAnd (2) and power supply->Connected first booster unit 1, power supply +.>And (2) and power supply->A second boost unit 2 connected to the photovoltaic power system +.>And (3) a photovoltaic power system>A third booster unit 3 connected; wherein the second booster unit 2 is connected with the first booster unit 1 and the third booster unit 3 respectively; the third boosting unit 3 is connected with an output capacitor +.>And a load;
the multiple operation modes of the high voltage circuit in this embodiment include: a single source input mode of operation, a dual source input mode of operation, and a triple source input mode of operation; wherein in the single source input operation mode, the power supply is based onSecond booster unit 2, third booster unit 3 and output capacitance +.>Supplying power to a loadThe method comprises the steps of carrying out a first treatment on the surface of the In the dual source input mode of operation, power supply based +.>Power supply->First boost unit 1, second boost unit 2, third boost unit 3 and output capacitance +.>Supplying power to the load; in the three-source input mode of operation, based on the power supply +.>Power supply->Photovoltaic power supply system->First boost unit 1, second boost unit 2, third boost unit 3 and output capacitance +.>Power is supplied to the load. Furthermore, in the present embodiment, when the power is +.>When the power supply is a charging power supply, the multi-working mode also comprises a charging working mode; in the charging mode of operation, based on a photovoltaic power system +.>The first booster cell 1, the second booster cell 2 and the third booster cell 3 are power supplies +.>And (5) charging.
Preferably, in the present embodiment, the first boost unit 1 comprises an inductanceCapacitance->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the power supply->Positive electrode connection inductance->Is one end of (1), inductance->The other end of the switch tube is respectively connected with>Drain, capacitance->Is a member of the group; capacitance->The other end of the switch is connected with a complementary switch tube>Source of (2), switch tube->Source electrode of (C) complementary switch tubeThe drains of the (a) are connected with a power supply->Is a negative electrode of (a).
Preferably, in the present embodiment, the second boost unit 2 comprises an inductanceCapacitance->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein, the power supply->Positive electrode connection inductance->Is one end of (1), inductance->The other end of the switch tube is respectively connected with>Drain, capacitance->Is a member of the group; capacitance->The other end of the switch is connected with a complementary switch tube>A source of (a); switch tube->Source electrode of (C) is connected with complementary switch tube->A source of (a); complementary switching tube->Is connected with the drain of the power supply->Is a negative electrode of (a); power supply->Is connected with the power supply->Is a negative electrode of (a).
Preferably, in the present embodiment, the third boosting unit 3 includes an inductanceCapacitance->Switch tube->Switch tube->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein, photovoltaic power supply system->Positive electrode connection switching tube->Drain electrode of (2), switch tube->The sources of (a) are respectively connected with a capacitor->One end of a switch tube->Drain and inductance of (2)>Is a member of the group; switch tube->Source electrode of (C) is connected with a switch tube->A drain electrode of (2); inductance->The other end of the switch tube is respectively connected with>Drain electrode of (C) complementary switching tube->A source of (a); switch tubeSource electrode of (C) is connected with complementary switch tube->A source of (a); complementary switching tube->The drains of the (a) are respectively connected with the output capacitor->One end of the load; output capacitance->The other end of (2) and the capacitance->The other end of the load is connected with the photovoltaic power supply systemIs a negative electrode of (a); photovoltaic power supply system->Is connected with the power supply->Is a negative electrode of (a).
The following description is made of various operation modes:
(1) Single source input operation mode
In a single source input mode of operation, power supplyAnd photovoltaic power supply system->No input is made. Therefore, the inductance in the first boost unit 1 +.>Capacitance->Switch tube->And complementary switching tube->In the off state during the whole operation, the switching tube in the third booster cell 3 +.>Also in the off state. The third booster cell 3 may still be connected to the second booster cell 2 providing a high voltage gain. In this mode of operation, the circuit has two modes of operation.
Modality 1: as shown in fig. 2, the switching tube is controlledAnd switch tube->Switching to an on state, controlling the complementary switching tubeComplementary switching tube->And switch tube->And switching to an off state. At this time, inductance->Store from power +.>Energy of (2); inductanceThrough complementary switching tubes->Freewheel diode and switching tube of (2)>Storage capacitor->And capacitance->Energy of (2); on the load side, by the output capacitance +.>Separately supplying power to the load;
modality 2: as shown in fig. 3, the switching tube is controlledAnd switch tube->Switching to an off state, controlling a complementary switching tubeComplementary switching tube->And switch tube->Switching toAn on state; inductance->The energy stored in the capacitor is a capacitor->And capacitance->Supplying power; inductance->The remaining energy in (a) and the energy stored in the inductance +.>The energy in (a) is passed through a complementary switching tube +.>Transfer to output capacitanceAnd a load. Thus, in mode 2, the inductance +.>And inductance->Through complementary switching tubes->To output capacitance->And a load power supply.
When the high-voltage circuit is in a steady state, the working period of each switch tube is set to beSwitch tube->Duty cycle of (2) isAssuming that the capacitance value is large, the output voltage does not change. Thus, by giving a degree to the inductance>And->Applying volt-second equilibrium can achieve the following relationship in steady state:
（1）
wherein,、/>、/>respectively represent the capacitance +.>Capacitance->Output capacitance->The voltage across it.
From the above, the voltage gain in the single source input operation modeExpressed as:
（2）
wherein,indicating switch tube->Is a duty cycle of (c).
(2) Dual source input mode of operation
In a dual source input mode of operation, a photovoltaic power systemNo input, switch tube in third booster unit 3 +.>In the off state. But all three booster cells can be used together. Thus, it provides a higher voltage gain than the single source input mode of operation. The concrete explanation is as follows:
modality 1: as shown in fig. 4, the switching tube is controlledSwitch tube->And switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->Switch tube->And switch tube->Switching to an off state; inductance->Store from power +.>Energy of (2); inductance->Storage from capacitor->And power supply->Energy of (2); inductance->Storage from capacitor->Capacitance->And capacitance->Energy of (2); on the load side, by the output capacitance +.>Separately supplying power to the load;
in the concrete implementation process, a switch tube is arrangedIs +.>Switch tube->Is +.>. At the duty cycleIn the first booster unit 1 and the second booster unit 2, the inductance of one booster unit discharges,while the inductance of the other boost unit is charged through the path provided by the complementary switching tube. For example, if->As shown in FIG. 5, at this time, the switch tube +.>Switch tube->And complementary switching tube->In the on state, switch tube->And complementary switching tube->、And switch tube->In an off state; inductance->Only from power supply->Stored energy; inductance->From the capacitor->And capacitance->Stored energy; inductance->Through complementary switching tubes->For the capacitor->And (5) discharging.
Modality 2: as shown in fig. 6, the switching tube is controlledSwitch tube->Switch tube->And switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switching to the on state, inductance->Continue to pass through complementary switching tube->For the capacitor->Discharging; inductance->Capacitance is respectively carried out through different loops>And capacitance->Providing energy; inductance->And inductance->Through complementary switching tubes->Transfer its energy to the output capacitor +.>And a load. I.e. by inductanceAnd inductance->Through complementary switching tubes->To output capacitance->And a load power supply.
When the boost circuit is in a steady state, the output voltage is not changed under the assumption that the capacitance value is large. Thus, by the inductance、And->Applying volt-second equilibrium can achieve the following relationship in steady state:
（3）
wherein,representing capacitance +.>Voltage at two ends>Representing the reference voltage.
Voltage gain for dual source input is obtained from the above:
if it isAnd->Then, the voltage gain in the dual source input operation mode +.>Expressed as:
（4）
if it isAnd->Then, the first and second processes, respectively,
（5）
wherein,indicating switch tube->Duty cycle of>Representing the reference duty cycle.
(3) Three-source input working mode
In the three-source input mode of operation, the switching tubeIn the on state, all three boost units may be used that provide a higher voltage gain than the single source input mode of operation, but lower voltage gain than the dual source input mode of operation.
Modality 1: as shown in fig. 7, the switching tube is controlledSwitch tube->Switch tube->And switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switching to the off state, inductance->Store from power +.>Energy of (2); inductance->Storage from capacitor->And power supply->Energy of (2); inductance->Storage of data from capacitorCapacitance->And photovoltaic power supply system->Energy of (2); on the load side, by the output capacitance +.>Separately supplying power to the load;
modality 2: as shown in fig. 8, the switching tube is controlledSwitch tube->Switch tube->And switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switching to an on state; inductance->Energy stored in the capacitor>Charging; inductance->To the capacitor->Providing energy; inductance->And photovoltaic power supply system->Through complementary switching tubes->Transfer its energy to the output capacitor +.>And a load. I.e. by inductance->And photovoltaic power supply system->Through complementary switching tubes->To output capacitance->And a load power supply.
When the booster circuit is in a steady state, the output voltage is not equal to the output voltage, assuming that the capacitance is largeAnd (3) a change. Thus, by the inductance、And->Applying volt-second equilibrium can achieve the following relationship in steady state:
（6）
if it isAnd->Then, the voltage gain in the three-source input operation mode +.>Expressed as:
（7）
wherein,indicating switch tube +.>Is a duty cycle of (c).
(4) Charging operation mode
In the charging mode, the switching tubeIn an on state, via a photovoltaic power system +.>To power supply->And charging to supplement the energy lost by the circuit.
Modality 1: as shown in fig. 9, the switching tube is controlledAnd switch tube->Switching to an on state, controlling the switching tube +.>Switch tube->Switch tube->Complementary switching tube->Complementary switching tube->And complementary switching tube->Switching to an off state, inductanceStoring information from a photovoltaic power system>Is supplied to the power supply +.>Port stored in power->Is a kind of medium. Namely, photovoltaic power supply system->Is a power supply->Charging;
modality 2: as shown in fig. 10, the switching tube is controlledAnd complementary switching tube->Switching to an on state, and controlling the switching tubeSwitch tube->Switch tube->Switch tube->Complementary switching tube->And complementary switching tube->Switching to an off state, inductanceThe energy stored in the medium is passed through the complementary switching tube +.>And switch tube->The body diode of (2) continues to supply power +.>Transfer, store in->Is a kind of medium. By inductance->Through complementary switching tubes->And switch tube->The body diode of (2) is the power supply +.>And (5) charging.
In summary, the coulomb force adsorption high-voltage circuit with multiple working modes provided by the embodiment has four working modes, and brings the following beneficial effects:
(1) High output voltage flexibility. Three different voltage gains are provided, and the requirements of various voltage selections can be met.
(2) The voltage stress of the device is reduced. The three-stage boosting unit can reduce the voltage stress of the device.
(3) Through a photovoltaic power systemThe energy lost by the circuit can be replenished.
Those skilled in the art will appreciate that all or part of the flow of the methods of the embodiments described above may be accomplished by way of a computer program to instruct associated hardware, where the program may be stored on a computer readable storage medium. Wherein the computer readable storage medium is a magnetic disk, an optical disk, a read-only memory or a random access memory, etc.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (9)

1. Coulomb force suction with multiple working modesThe high voltage circuit is characterized by comprising: power supplyAnd (2) and power supply->A first boost unit connected with the power supply->And (2) and power supply->A second boost unit connected with the photovoltaic power supply system ∈>And (3) a photovoltaic power system>A third boost unit connected; the second boosting unit is respectively connected with the first boosting unit and the third boosting unit; the third boost unit is connected with an output capacitor +.>And a load;
the multiple operation mode includes: a single source input mode of operation, a dual source input mode of operation, and a triple source input mode of operation; wherein,
in the single source input mode of operation, power supply basedSecond boost unit, third boost unit and output capacitance +.>Supplying power to the load;
in the dual source input mode of operation, power basedPower supply->The first boost unit, the second boost unit, the third boost unit and the output capacitor +.>Supplying power to the load;
in the three-source input operation mode, power supply basedPower supply->Photovoltaic power supply system->The first boost unit, the second boost unit, the third boost unit and the output capacitor +.>Supplying power to the load;
the first boost unit comprises an inductorCapacitance->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein,
power supplyPositive electrode connection inductance->Is one end of (1), inductance->The other end of the switch tube is respectively connected with>Drain, capacitance->Is a member of the group; capacitance->The other end of the switch is connected with a complementary switch tube>Source of (2), switch tube->Source of (C) complementary switching tube->The drains of the (a) are connected with a power supply->Is a negative electrode of (a);
the second boost unit comprises an inductorCapacitance->Switch tube->And complementary switching tube->The method comprises the steps of carrying out a first treatment on the surface of the Wherein,
power supplyPositive electrode connection inductance->Is one end of (1), inductance->The other end of the switch tube is respectively connected with>Drain, capacitance->Is a member of the group; capacitance->The other end of the switch is connected with a complementary switch tube>A source of (a); switch tube->Source electrode of (C) is connected with complementary switch tube->A source of (a); complementary switching tube->Is connected with the drain of the power supply->Is a negative electrode of (a);
power supplyIs connected with the power supply->Is a negative electrode of (a);
the third boost unit comprises an inductorCapacitance->Switch tube->Switch tube->Switch tube->Complementary switching tubeThe method comprises the steps of carrying out a first treatment on the surface of the Wherein,
photovoltaic power systemPositive electrode connection switching tube->Drain electrode of (2), switch tube->The sources of (a) are respectively connected with a capacitor->One end of a switch tube->Drain and inductance of (2)>Is a member of the group; switch tube->Source electrode of (C) is connected with a switch tube->A drain electrode of (2); inductance->The other end of the switch tube is respectively connected with>Drain electrode of (C) complementary switching tube->A source of (a); switch tube->Source electrode of (C) is connected with complementary switch tube->A source of (a); complementary switching tube->The drains of the (a) are respectively connected with the output capacitor->One end of the load; output capacitance->The other end of (2) and the capacitance->The other end of the load is connected with a photovoltaic power supply system>Is a negative electrode of (a);
photovoltaic power systemIs connected with the power supply->Is a negative electrode of (a).
2. The multi-mode coulomb force absorbing high-voltage circuit of claim 1, wherein the single source input mode of operation comprises:
modality 1: control switch tubeAnd switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->And switch tube->Switch to off state, by output capacitance +.>Separately supplying power to the load;
modality 2: control switch tubeAnd switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->And switch tube->Switching to the on state, the inductor is +.>And inductance->Through complementary switching tubes->To output capacitance->And a load power supply.
3. The multi-mode coulomb force absorbing high-voltage circuit of claim 2, wherein the voltage gain in the single-source input mode of operationExpressed as:
（1）
wherein,indicating switch tube->Is a duty cycle of (c).
4. The multi-mode coulomb force absorbing high-voltage circuit of claim 1, wherein the dual source input mode of operation comprises:
modality 1: control switch tubeSwitch tube->And switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->Switch tube->And switch tube->Switch to off state, by output capacitance +.>Separately supplying power to the load;
modality 2: control switch tubeSwitch tube->Switch tube->And switch tube->Switching to the off stateControl complementary switching tube->Complementary switching tube->Complementary switching tube->And switch tube->Switching to the on state, the inductor is +.>And inductance->Through complementary switching tubes->To output capacitance->And a load power supply.
5. The multi-mode coulomb force absorption high-voltage circuit of claim 4, wherein ifAnd->Then, the voltage gain in the dual source input operation mode +.>Expressed as:
（2）
if it isAnd->Then, the first and second processes, respectively,
（3）
wherein,、/>respectively represent a switch tube->Switch tube->Duty cycle of>Representing the reference duty cycle.
6. The multi-mode coulomb force absorbing high-voltage circuit of claim 1, wherein the three-source input mode of operation comprises:
modality 1: control switch tubeSwitch tube->Switch tube->And switch tube->Switching to an on state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switch to off state, by output capacitance +.>Separately supplying power to the load;
modality 2: control switch tubeSwitch tube->Switch tube->And switch tube->Switching to the off state, controlling the complementary switching tube +.>Complementary switching tube->Complementary switching tube->And switch tube->Switching to the on state, the inductor is +.>And photovoltaic power supply system->Through complementary switching tubes->To output capacitance->And a load power supply.
7. The multi-mode coulomb force adsorption high-voltage circuit of claim 6, wherein ifAnd->Then, the voltage gain in the three-source input operation modeExpressed as:
（4）
wherein,、/>、/>respectively represent a switch tube->Switch tube->Switch tube->Duty cycle of (2); />Representing the reference duty cycle.
8. The multi-mode coulomb force absorbing high-voltage circuit of any of claims 1-7, wherein the power supplyIs a charging power supply; at this time, the multi-working mode further includes a charging working mode;
in the charging operation mode, a photovoltaic-based power supply systemThe first boosting unit, the second boosting unit and the third boosting unit are power supplies +.>And (5) charging.
9. The multi-mode coulomb force absorbing high-voltage circuit of claim 8, wherein the charging mode of operation comprises:
modality 1: control switch tubeAnd openTube closing->Switching to an on state, controlling the switching tube +.>Switch tube->Switch tube->Complementary switching tube->Complementary switching tube->And complementary switching tube->Switching to the off state, photovoltaic power system +.>Is a power supplyCharging;
modality 2: control switch tubeAnd complementary switching tube->Switching to an on state, controlling the switching tube +.>Switch tube->Switch tube->Switch tube->Complementary switching tube->And complementary switching tube->Switch to the off state, by inductance +.>Through complementary switching tubes->And switch tube->The body diode of (2) is the power supply +.>And (5) charging.
CN202310473485.5A 2023-04-28 2023-04-28 Coulomb force adsorption high-voltage circuit with multiple working modes Active CN116505771B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310473485.5A CN116505771B (en) 2023-04-28 2023-04-28 Coulomb force adsorption high-voltage circuit with multiple working modes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310473485.5A CN116505771B (en) 2023-04-28 2023-04-28 Coulomb force adsorption high-voltage circuit with multiple working modes

Publications (2)

Publication Number Publication Date
CN116505771A CN116505771A (en) 2023-07-28
CN116505771B true CN116505771B (en) 2024-02-02

Family

ID=87322544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310473485.5A Active CN116505771B (en) 2023-04-28 2023-04-28 Coulomb force adsorption high-voltage circuit with multiple working modes

Country Status (1)

Country Link
CN (1) CN116505771B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324841A (en) * 2011-09-23 2012-01-18 重庆大学 Multi-input high-gain boost 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
CN111371324A (en) * 2020-04-14 2020-07-03 福州大学 High-gain DC-DC converter based on diode capacitor network
CN113965081A (en) * 2021-10-11 2022-01-21 三峡大学 Cuk-based multi-working-condition high-gain three-port DC-DC converter
CN113965079A (en) * 2021-10-11 2022-01-21 三峡大学 Multi-input high-reliability Cuk DC-DC converter
CN115765445A (en) * 2023-01-09 2023-03-07 深圳市恒运昌真空技术有限公司 High-gain converter and control method thereof
CN115987103A (en) * 2023-02-06 2023-04-18 广东工业大学 Multi-mode booster circuit, device, control method and medium for miniature photovoltaic system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113346738A (en) * 2021-05-19 2021-09-03 南京矽力微电子技术有限公司 Switch capacitor converter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102324841A (en) * 2011-09-23 2012-01-18 重庆大学 Multi-input high-gain boost 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
CN111371324A (en) * 2020-04-14 2020-07-03 福州大学 High-gain DC-DC converter based on diode capacitor network
CN113965081A (en) * 2021-10-11 2022-01-21 三峡大学 Cuk-based multi-working-condition high-gain three-port DC-DC converter
CN113965079A (en) * 2021-10-11 2022-01-21 三峡大学 Multi-input high-reliability Cuk DC-DC converter
CN115765445A (en) * 2023-01-09 2023-03-07 深圳市恒运昌真空技术有限公司 High-gain converter and control method thereof
CN115987103A (en) * 2023-02-06 2023-04-18 广东工业大学 Multi-mode booster circuit, device, control method and medium for miniature photovoltaic system

Also Published As

Publication number Publication date
CN116505771A (en) 2023-07-28

Similar Documents

Publication Publication Date Title
CN111446854B (en) Extensible Zeta DC-DC converter
CN111371315B (en) Zero-input-current ripple high-gain DC-DC converter
US20140032008A1 (en) Hybrid controlling and driving circuit and method thereof
US20240235213A9 (en) Battery system and equalization management method therefor
CN111969847A (en) Staggered non-isolated switch capacitor network high-gain soft switch converter and control method thereof
CN113098271A (en) High-gain three-port DC-DC converter based on switch capacitor
CN111432524A (en) Single-stage non-isolated high-power-factor electrolytic-capacitor-free L ED driving power supply
CN110138217B (en) Three-port DC-DC converter and control method thereof
CN113965081B (en) Multi-working-condition high-gain three-port DC-DC converter based on Cuk
CN112968603B (en) Wide-transformation-ratio transformerless buck-boost converter
CN114221545A (en) High-voltage gain boosting cuk circuit, control method and control device
CN116505771B (en) Coulomb force adsorption high-voltage circuit with multiple working modes
CN116155101B (en) High-gain converter based on coupling inductance
CN209767386U (en) Four-port converter with bipolar output
KR101400123B1 (en) Current collector for charging of high capacity battery using portable generator
CN115800753A (en) Multi-port converter and control method thereof
CN110061625B (en) Four-port converter with bipolar output and control method thereof
CN111064362A (en) High-gain non-isolated three-port converter suitable for spacecraft and control method
CN113890357B (en) Multi-working-condition high-gain three-port DC-DC converter based on Sepic
CN220457296U (en) High-efficiency boosting DC-DC converter
CN219535894U (en) Multi-output switching power supply and power supply system
CN110838791B (en) Two-switch three-port direct current converter and control method and circuit thereof
CN114204820B (en) High-frequency resonant converter circuit with high-level voltage doubling circuit switching function and low-level voltage doubling circuit switching function
CN113890356B (en) Novel high-gain double-input DC-DC converter
CN210781457U (en) LED power with timing control function

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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 518,052 Building B, Functional Supporting Area of Taohuayuan Zhichuang Town, Tiegang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong 101,201,301

Applicant after: Shenzhen Hengyunchang Vacuum Technology Co.,Ltd.

Address before: 518,052 Building B, Functional Supporting Area of Taohuayuan Zhichuang Town, Tiegang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong 101,201,301

Applicant before: SHENZHEN HENGYUNCHANG VACUUM TECHNOLOGY CO.,LTD.

GR01 Patent grant
GR01 Patent grant