CN106685223A - High-efficiency, low-ripple and bidirectional Cuk conversion circuit - Google Patents

High-efficiency, low-ripple and bidirectional Cuk conversion circuit Download PDF

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Publication number
CN106685223A
CN106685223A CN201710028546.1A CN201710028546A CN106685223A CN 106685223 A CN106685223 A CN 106685223A CN 201710028546 A CN201710028546 A CN 201710028546A CN 106685223 A CN106685223 A CN 106685223A
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CN
China
Prior art keywords
power
diode
inductance
switch tube
mos switch
Prior art date
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Pending
Application number
CN201710028546.1A
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Chinese (zh)
Inventor
林维明
陈红星
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Fuzhou University
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Fuzhou University
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Priority to CN201710028546.1A priority Critical patent/CN106685223A/en
Publication of CN106685223A publication Critical patent/CN106685223A/en
Pending legal-status Critical Current

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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
    • 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
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • 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
    • H02M3/005—Conversion of dc power input into dc power output using Cuk converters

Abstract

The invention relates to a high-efficiency, low-ripple and bidirectional Cuk conversion circuit. The circuit comprises an input power supply V1, a power metal oxide semiconductor (MOS) switching tube or an insulated gate bipolar transistor (IGBT) switching tube S1, a power MOS switching tube or IGBT switching tube S2, a power diode D1, a power diode D2, an intermediate capacitor C<B>, an inductor L1, an inductor L2 and power utilization equipment V0 with a DC potential. By combining a buck Cuk conversion circuit and a boost Cuk conversion circuit, high-efficiency, low-ripple and bidirectional electrical energy conversion and handing are achieved.

Description

A kind of two-way Cuk translation circuits of efficient low ripple
Technical field
The present invention relates to Technics of Power Electronic Conversion circuit field, particularly the present invention relates to a kind of two-way Cuk of efficient low ripple Translation circuit.
Background technology
With the continuous development of social economy, the mankind increasingly increase the demand of the energy.Traditional fossil energy aggravation is consumed While bring serious destruction and pollution to environment, the energy and environmental problem have become today's society and face most important Two themes.Therefore, reasonable development and using green regenerative energy sources become the mankind in the urgent need to, such as photovoltaic generation, The aspects such as wind-power electricity generation, electric automobile driving, Electric Drive and cell degradation test, and these occasions are required for the two-way of electric energy Conversion and process.
The realization of conventional power two-way changing is realized using two sets of independent one direction DC/DC changer inverse parallels, This causes integrated circuit to complicate, and increases the volume of whole variator device.And in any of whole conversion normal work At the moment, in work, this is the waste of resource to only a set of uni-directional converter, also reduces efficiency.For this purpose, prior art is adopted Buck circuits are combined one reversible transducer circuit of composition to realize the two-way flow of electric energy with Boost circuit.This causes totality Device count tails off, and volume, weight and the cost of system is greatly lowered, and can more rapidly carry out the power of both direction Conversion, but the efficiency of prior art is to be improved with ripple.
The present invention proposes a kind of two-way Cuk changers of efficient low ripple, is exactly by combining voltage-dropping type Cuk translation circuits With booster type Cuk translation circuits, original Cuk changers are combined into reversible transducer.So not only realize the double of electric energy To transmission, and input, outfan respectively have an inductance so that input and output pulsation of current is little, and easily input, output are carried out Filtering, realizes low ripple, is conducive to EMI.Additionally, in whole switch periods, input power can be to direct current drive The electrical equipment of gesture provides electric energy or the electrical equipment with direct electromotive force. to power supply feedback electric energy, so as to improve whole electricity The efficiency on road, reduces cost has the advantages that input and output low ripple, and input, output voltage same polarity.
The content of the invention
In view of this, it is an object of the invention to provide a kind of two-way Cuk translation circuits of efficient low ripple, realize efficient, low Ripple, and by blood pressure lowering Cuk circuits and boosting Cuk circuits one reversible transducer circuit of compound composition, realize the two-way of electric energy Conversion and process, have the advantages that input and output low ripple, and input and output voltage polarity is identical, also effectively reduces power Semiconductor device number and the cost for having saved system.
The present invention is realized using below scheme：A kind of two-way Cuk translation circuits of efficient low ripple, including an input dc power Potential source V1, it is characterised in that：The input dc power potential source V1Positive pole connect an inductance L1One end；The inductance L1It is another One end connects intermediate capacitance CBOne end, a power diode D1Negative electrode and a power MOS switch tube S1Drain electrode or IGBT switching tube S1Colelctor electrode；Intermediate capacitance CBThe other end connect a power diode D2Anode, a power MOS Switching tube S2Source electrode or an IGBT switching tube S2Emitter stage and an inductance L2One end；The inductance L2The other end connection The input dc power potential source V1Negative pole and one have direct electromotive force. electrical equipment V0One end；It is described with unidirectional current Electrical equipment V of kinetic potential0The other end connect the power diode D1Anode, the power MOS switch tube S1Source electrode or The IGBT switching tubes S1Emitter stage, the power diode D2Negative electrode and the power MOS switch tube S2Drain electrode or institute State IGBT switching tube S2Colelctor electrode.
Further, electrical equipment V with direct electromotive force.0Its both end voltage is less than input supply voltage V1。
Further, using the power MOS switch tube S1With the power MOS switch tube S2When, the power diode D1It is the power MOS switch tube S1Body diode；The power diode D2It is the power MOS switch tube S2Body two Pole pipe；Using the IGBT switching tubes S1With the IGBT switching tubes S2When, the power diode D1, power diode D2It is Fast recovery diode.
Further, intermediate capacitance CBIt is high frequency capacitance.
Further, the two-way Cuk translation circuits of a kind of efficient low ripple according to claim 1, it is characterised in that： The inductance L1, intermediate capacitance CB, inductance L2, power MOS switch tube S1Or IGBT switching tube S1, power diode D2Constitute blood pressure lowering Type Cuk translation circuit, to by electric energy from power supply V1To electrical equipment V with direct electromotive force.0Transmission；The inductance L1, in Between electric capacity CB, inductance L2, power MOS switch tube S2 or IGBT switching tube S2, power diode D1Constitute booster type Cuk conversion electricity Road, to by electric energy from electrical equipment V with direct electromotive force.0To power supply V1Transmission.
Compared to prior art, the invention has the advantages that：
1. present invention combination blood pressure lowering Cuk circuits and boosting Cuk circuits, realize the two-way changing of electric energy and process；
2., relative to two unidirectional DC/DC changer inverse parallels, reversible transducer reduces the quantity of power semiconductor, can With effective reduces cost；
3. the present invention input, outfan respectively have an inductance so that input and output pulsation of current is little, easily to be input into, export into Row filtering, realizes low ripple, is conducive to EMI；
4. in whole switch periods, input power can provide electric energy to the present invention to the electrical equipment with direct electromotive force. Or the electrical equipment with direct electromotive force. is to power supply feedback electric energy, so as to improve the efficiency of whole circuit, reduces cost.
Description of the drawings
Fig. 1 is a kind of efficient, two-way Cuk translation circuits schematic diagram of low ripple of the present invention.
Fig. 2 is a kind of efficient, two-way Cuk changers of low ripple of the present invention in power from power source V1To with direct current drive Electrical equipment V of gesture0Transmission is that blood pressure lowering Cuk patterns work, power switch tube S1Input power gives inductance L during conducting1Charge, in Between electric capacity CBGive inductance L2The operation mode schematic diagram of charging.
Fig. 3 is a kind of efficient, two-way Cuk changers of low ripple of the present invention in power from power source V1To with direct current drive Electrical equipment V of gesture0Transmission is that blood pressure lowering Cuk patterns work, power diode D2Inductance L during conducting1To intermediate capacitance CBCharge, Inductance L2To electrical equipment V with direct electromotive force.0The operation mode schematic diagram of power supply.
Fig. 4 be the present invention it is a kind of efficiently, the two-way Cuk changers of low ripple in electric energy by the electricity consumption with direct electromotive force. Equipment V0To power supply V1Transmission i.e. boosting Cuk patterns work, power switch tube S 2 has the electrical equipment of direct electromotive force. when turning on V0Give inductance L2Charging, intermediate capacitance CBGive inductance L1The operation mode schematic diagram of charging.
Fig. 5 be the present invention it is a kind of efficiently, the two-way Cuk changers of low ripple in electric energy by the electricity consumption with direct electromotive force. Equipment V0To power supply V1Transmission i.e. boosting Cuk patterns work, power diode D1Inductance L during conducting2To intermediate capacitance CBCharging, electricity Sense L1To the operation mode schematic diagram of power feed.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
The present embodiment provides a kind of efficient low ripple two-way Cuk translation circuits, as shown in figure 1, including an input dc power Potential source V1, it is characterised in that：The input dc power potential source V1Positive pole connect an inductance L1One end；The inductance L1It is another One end connects intermediate capacitance CBOne end, a power diode D1Negative electrode and a power MOS switch tube S1Drain electrode or IGBT switching tube S1Colelctor electrode；Intermediate capacitance CBThe other end connect a power diode D2Anode, a power MOS Switching tube S2Source electrode or an IGBT switching tube S2Emitter stage and an inductance L2One end；The inductance L2The other end connection The input dc power potential source V1Negative pole and one have direct electromotive force. electrical equipment V0One end；It is described with unidirectional current Electrical equipment V of kinetic potential0The other end connect the power diode D1Anode, the power MOS switch tube S1Source electrode or The IGBT switching tubes S1Emitter stage, the power diode D2Negative electrode and the power MOS switch tube S2Drain electrode or institute State IGBT switching tube S2Colelctor electrode.
In the present embodiment, electrical equipment V with direct electromotive force.0Its both end voltage is less than input supply voltage V1。
In the present embodiment, using the power MOS switch tube S1With the power MOS switch tube S2When, the power two Pole pipe D1It is the power MOS switch tube S1Body diode；The power diode D2It is the power MOS switch tube S2's Body diode；Using the IGBT switching tubes S1With the IGBT switching tubes S2When, the power diode D1, power diode D2It is fast recovery diode.
In the present embodiment, intermediate capacitance CBIt is high frequency capacitance.
In the present embodiment, the inductance L1, intermediate capacitance CB, inductance L2, power MOS switch tube S1Or IGBT switching tubes S1, power diode D2Constitute voltage-dropping type Cuk translation circuits, to by electric energy from power supply V1To the electricity consumption with direct electromotive force. Equipment V0Transmission；The inductance L1, intermediate capacitance CB, inductance L2, power MOS switch tube S2 or IGBT switching tube S2, the pole of power two Pipe D1Constitute booster type Cuk translation circuits, to by electric energy from electrical equipment V with direct electromotive force.0To power supply V1Transmission.
In the present embodiment, by using two-way Cuk changers, realizing efficient, low ripple constant current output, and electricity is realized Can two-way changing with process, and input and output voltage polarity is identical, also effectively reduce power semiconductor number and The cost of system is saved.A kind of efficient, low ripple for illustrating the present invention with reference to the instantiation in Fig. 1 is two-way Each working stage that Cuk changers work in ccm mode, as shown in Figures 2 to 5.
With reference to Fig. 2, in power switch tube S1During conducting, input dc power potential source V1By power switch tube S1To inductance L1 It is charged and electrical equipment V with direct electromotive force.0Power supply, while intermediate capacitance CBBy power switch tube S1To inductance L2Charge and electrical equipment V with direct electromotive force.0Power supply.Now, power diode D1、D2Back-pressure cut-off is born, power is opened Close pipe S2Do not work.
With reference to Fig. 3, in power switch tube S1Cut-off, power diode D2During conducting, inductance L1On electric energy by fast recovery Power diode D2To intermediate capacitance CBCharge and electrical equipment V with direct electromotive force.0Power supply, while inductance L2On electricity Power diode D can be passed through2To electrical equipment V with direct electromotive force.0Power supply.Now, power diode D1Bear back-pressure to cut Only, power switch tube S2Do not work.
With reference to Fig. 4, in power switch tube S2During conducting, electrical equipment V with direct electromotive force.0By power switch pipe S2To inductance L2It is charged, while intermediate capacitance CBBy power switch tube S2Give inductance L1Charge and power feed.Now, work( Rate diode D1、D2Bear back-pressure cut-off, power switch tube S1Do not work.
With reference to Fig. 5, in power switch tube S2Cut-off, power diode D1During conducting, inductance L2On electric energy by fast recovery Power diode D1To intermediate capacitance CBCharge and power feed, while inductance L1On electric energy pass through power diode D2To electricity Source feeds.Now, power diode D2Bear back-pressure cut-off, power switch tube S1Do not work.
On be classified as an embodiment, the object, technical solutions and advantages of the present invention are further described, answer It is understood by, the foregoing is only one embodiment of the present of invention, not to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (5)

1. a kind of two-way Cuk translation circuits of efficient low ripple, an including input dc power potential source V1, it is characterised in that：The input Direct voltage source V1Positive pole connect an inductance L1One end；The inductance L1The other end connect intermediate capacitance CBOne end, One power diode D1Negative electrode and a power MOS switch tube S1Drain electrode or an IGBT switching tube S1Colelctor electrode；The centre Electric capacity CBThe other end connect a power diode D2Anode, a power MOS switch tube S2Source electrode or an IGBT switching tube S2 Emitter stage and an inductance L2One end；The inductance L2The other end connect the input dc power potential source V1Negative pole and Electrical equipment V with direct electromotive force.0One end；Electrical equipment V with direct electromotive force.0The other end connection institute State power diode D1Anode, the power MOS switch tube S1Source electrode or the IGBT switching tubes S1Emitter stage, described Power diode D2Negative electrode and the power MOS switch tube S2Drain electrode or the IGBT switching tubes S2Colelctor electrode.
2. two-way Cuk translation circuits of a kind of efficient low ripple according to claim 1, it is characterised in that：It is described with straight Electrical equipment V of stream electromotive force0Its both end voltage is less than input supply voltage V1。
3. two-way Cuk translation circuits of a kind of efficient low ripple according to claim 1, it is characterised in that：Using the work( Rate MOS switch pipe S1With the power MOS switch tube S2When, the power diode D1It is the power MOS switch tube S1Body Diode；The power diode D2It is the power MOS switch tube S2Body diode；Using the IGBT switching tubes S1With The IGBT switching tubes S2When, the power diode D1, power diode D2It is fast recovery diode.
4. two-way Cuk translation circuits of a kind of efficient low ripple according to claim 1, it is characterised in that：Electricity in the middle of described Hold CBIt is high frequency capacitance.
5. two-way Cuk translation circuits of a kind of efficient low ripple according to claim 1, it is characterised in that：The inductance L1、 Intermediate capacitance CB, inductance L2, power MOS switch tube S1Or IGBT switching tube S1, power diode D2Constitute voltage-dropping type Cuk conversion electricity Road, to by electric energy from power supply V1To electrical equipment V with direct electromotive force.0Transmission；The inductance L1, intermediate capacitance CB, electricity Sense L2, power MOS switch tube S2 or IGBT switching tube S2, power diode D1Booster type Cuk translation circuits are constituted, to by electricity Can be from electrical equipment V with direct electromotive force.0To power supply V1Transmission.
CN201710028546.1A 2017-01-16 2017-01-16 High-efficiency, low-ripple and bidirectional Cuk conversion circuit Pending CN106685223A (en)

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CN201710028546.1A CN106685223A (en) 2017-01-16 2017-01-16 High-efficiency, low-ripple and bidirectional Cuk conversion circuit

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Application Number Priority Date Filing Date Title
CN201710028546.1A CN106685223A (en) 2017-01-16 2017-01-16 High-efficiency, low-ripple and bidirectional Cuk conversion circuit

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109728725A (en) * 2019-01-16 2019-05-07 福州大学 A kind of two-way high-gain Cuk circuit with tap inductor
CN110086340A (en) * 2019-04-30 2019-08-02 福州大学 A kind of two-way large velocity ratio DC-DC converter of novel coupling inductance
CN110312344A (en) * 2019-07-05 2019-10-08 福州大学 A kind of dual input low ripple decompression Cuk LED drive circuit
CN114977798A (en) * 2022-07-29 2022-08-30 银河航天(西安)科技有限公司 Wide voltage input cascade power supply circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150188404A1 (en) * 2013-12-30 2015-07-02 Samsung Electronics Co., Ltd. Power supply and gate driver therein
CN105356744A (en) * 2015-11-19 2016-02-24 中国科学院电工研究所 Interlaced parallel bidirectional direct-current chopper circuit topology
CN106100334A (en) * 2016-06-22 2016-11-09 湖北竑光新能源科技有限公司 A kind of battery energy storage system two-way DC converter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150188404A1 (en) * 2013-12-30 2015-07-02 Samsung Electronics Co., Ltd. Power supply and gate driver therein
CN105356744A (en) * 2015-11-19 2016-02-24 中国科学院电工研究所 Interlaced parallel bidirectional direct-current chopper circuit topology
CN106100334A (en) * 2016-06-22 2016-11-09 湖北竑光新能源科技有限公司 A kind of battery energy storage system two-way DC converter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109728725A (en) * 2019-01-16 2019-05-07 福州大学 A kind of two-way high-gain Cuk circuit with tap inductor
CN110086340A (en) * 2019-04-30 2019-08-02 福州大学 A kind of two-way large velocity ratio DC-DC converter of novel coupling inductance
CN110086340B (en) * 2019-04-30 2020-10-02 福州大学 Coupling inductance bidirectional large-transformation-ratio DC-DC converter
CN110312344A (en) * 2019-07-05 2019-10-08 福州大学 A kind of dual input low ripple decompression Cuk LED drive circuit
CN114977798A (en) * 2022-07-29 2022-08-30 银河航天(西安)科技有限公司 Wide voltage input cascade power supply circuit

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