CN106685251A - Single-inductor dual-Buck full-bridge inverter with diode series and parallel structure and control method of single-inductor dual-Buck full-bridge inverter - Google Patents
Single-inductor dual-Buck full-bridge inverter with diode series and parallel structure and control method of single-inductor dual-Buck full-bridge inverter Download PDFInfo
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- CN106685251A CN106685251A CN201710049959.8A CN201710049959A CN106685251A CN 106685251 A CN106685251 A CN 106685251A CN 201710049959 A CN201710049959 A CN 201710049959A CN 106685251 A CN106685251 A CN 106685251A
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters in a bridge configuration
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention relates to a single-inductor dual-Buck full-bridge inverter with a diode series and parallel structure. The single-inductor dual-Buck full-bridge inverter comprises a DC power supply Ud, a DC-side electrolytic capacitor Cd, a switch tube S1, a switch tube S2, a switch tube S3, a switch tube S4, a diode D1, a diode D2, a diode D3, a diode D4, an output filter inductor L, an output filter capacitor Cf and a load Rd. By adopting a single-inductor dual-Buck full-bridge topological structure, the volume and the weight of the whole circuit are reduced, the filter inductor is bi-directionally magnetized and the utilization rate of a magnetic core is improved; and topology inverter output only needs to control two high-frequency switch tubes and two power-frequency switch tubes, the switching loss of a system is reduced and a control strategy is simple and easy to implement.
Description
Technical field
The present invention relates to DC-AC converters and its control method in a kind of device for converting electric energy, and in particular to a kind of two pole
The double Buck full-bridge inverters of single inductance of pipe series parallel structure and its control method.
Background technology
DC-AC inverter in device for converting electric energy, from traditional H bridge full-bridge inverters, development double Buck/ finally
Boost inverters, topological sum control mode is always the study hotspot of researcher.Recent decades, with New Type Power Devices
The development and application of SiC, GaN, the development and popularization of large-scale digital ic, the topological sum control mode of inverter are just quiet
So change, to the performance requirement of inverter also more and more higher, all-digitized demodulator, system altitude are integrated, high frequency is high for people
Efficiency etc. is the main point of penetration that inverter further develops.From a kind of double Buck half of double inductance being made up of two Buck circuits
After bridge inverter is suggested, it is deep to receive people the advantages of without straight-through problem, without dead time requirement with unique circuit structure
Like, study with application, many new topological structures are also innovated on its basis.
Requirement more and more higher with people to system power-density, some single inductance inversion topologicals are gradually suggested.Such as
2009.01.28 the Publication No. CN101355322A patents announced, disclose a kind of single-inductor dual buck of half period work
The invention of half-bridge inverter and its control method, but due to the topological structure that it is half-bridge, input needs two and presses bulky capacitor,
Input voltage stress is big, limits it and is applied in high pressure field；2014.05.28 the Publication No. CN103825455A patents announced,
A kind of invention of the double Buck full-bridge inverters of single inductance is proposed, full-bridge list induction structure solves the big problem of input voltage stress,
But topology increases by two power switch pipes, switching loss is big, and control strategy is complicated.
The content of the invention
In view of this, it is inverse it is an object of the invention to provide a kind of double Buck full-bridges of single inductance of diode series parallel structure
Become device and its control method, the double Buck full-bridge topologies of single inductance cause that the volume and weight of whole circuit reduces, filtered electrical
It is two-way magnetization to feel, and improves magnetic core utilization rate；As long as topological inversion output two HF switch pipes of control and two power frequency switches
Pipe, the loss of system switching reduces, and control strategy is simply easily realized.
To achieve the above object, the present invention is adopted the following technical scheme that：A kind of single inductance of diode series parallel structure is double
Buck full-bridge inverters, it is characterised in that：Including dc sourceU d , DC side electrochemical capacitorC d , switching tube S1, switching tube S2, open
Close pipe S3, switching tube S4, diode D1, diode D2, diode D3, diode D4, output inductorL, output filter capacitorC f And loadR d ；Dc sourceU d Positive pole respectively with DC side electrochemical capacitorC d Positive pole, switching tube S1Drain electrode, diode D3
Negative pole, switching tube S3Drain electrode connection；Dc sourceU d Negative pole respectively with DC side electrochemical capacitorC d Negative pole, diode
D4Positive pole, switching tube S2Source electrode, switching tube S4Source electrode connection；Switching tube S1Source electrode and diode D1Positive pole connection,
Switching tube S2Drain electrode and diode D2Negative pole connection；Diode D1Negative pole and diode D4Negative pole, diode D3Just
Pole, diode D2Positive pole, output inductorLOne end connection, output inductorLThe other end and output filter capacitorC f One end, loadR d One end connection, output filter capacitorC f The other end, loadR d The other end, switching tube S3Source electrode,
Switching tube S4Grounded drain.
A kind of control method of the double Buck full-bridge inverters of single inductance of diode series parallel structure, it is characterised in that：Will
The output voltage of inverteru o With given reference sinusoidal voltageu ref Compare and obtain the first error signal, the first error signal warp
PI control algolithms obtain outer voltage output valveu e ；By output inductorLCurrent instantaneous valuei L With outer voltage output valveu e
Compare and obtain the second error signal, the second error signal obtains current inner loop output valve through PI control algolithmsu r ；Current inner loop is defeated
Go out valueu r With the triangular wave carrier of high-frequency designu c Compare, the PWM output valves for obtaining are in the positive half cycle of output voltage as switching tube S1
Control signal, in output voltage negative half period as switching tube S2Control signal；By the output voltage of inverteru o Through zero passage ratio
The switching signal obtained compared with device is used as S3Control signal, switching signal is after negating computing as switching tube S4Control signal.
The present invention has the advantages that compared with prior art：
1st, compared with the double Buck semi-bridge inversion topologys of double inductance, present invention preserves without straight-through, low without Dead Time, switching loss
The features such as, full bridge structure solves the problems, such as that input voltage utilization rate is low；
2nd, compared with common double Buck full-bridge invertings topologys, present invention preserves its convenient control strategy, single induction structure
So that the volume and weight of whole circuit reduces, filter inductance is two-way magnetization, improves magnetic core utilization rate；
3rd, compared with the double Buck full-bridge inverting topologys of single inductance that CN103825455A is proposed, two switching tubes, system are eliminated
Switching loss reduces, and control strategy is simply easily realized.
Brief description of the drawings
Fig. 1 is circuit topology figure of the invention.
Fig. 2 is the designed two close cycles SPWM control block diagrams of Fig. 1 topology correspondences.
The first operation mode schematic diagram when Fig. 3 is Fig. 1 topology work.
The second operation mode schematic diagram when Fig. 4 is Fig. 1 topology work.
The 3rd operation mode schematic diagram when Fig. 5 is Fig. 1 topology work.
The 4th operation mode schematic diagram when Fig. 6 is Fig. 1 topology work.
Four drive waveforms of switching tube grid source electrode when Fig. 7 is the topology of two close cycles SPWM control figures 1.
Fig. 8 is the topological output signal of two close cycles SPWM control figures 1u o 、i L 、u L Work wave.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
Fig. 1 is refer to, the present invention provides a kind of single inductance of diode series parallel structure double Buck full-bridge inverters, and it is special
Levy and be：Including dc sourceU d , DC side electrochemical capacitorC d , switching tube S1, switching tube S2, switching tube S3, switching tube S4, two poles
Pipe D1, diode D2, diode D3, diode D4, output inductorL, output filter capacitorC f And loadR d ；Dc sourceU d
Positive pole respectively with DC side electrochemical capacitorC d Positive pole, switching tube S1Drain electrode, diode D3Negative pole, switching tube S3Leakage
Pole connects；Dc sourceU d Negative pole respectively with DC side electrochemical capacitorC d Negative pole, diode D4Positive pole, switching tube S2's
Source electrode, switching tube S4Source electrode connection；Switching tube S1Source electrode and diode D1Positive pole connection, switching tube S2Drain electrode and two
Pole pipe D2Negative pole connection；Diode D1Negative pole and diode D4Negative pole, diode D3Positive pole, diode D2Positive pole,
Output inductorLOne end connection；Output inductorLThe other end and output filter capacitorC f One end, loadR d One
End connection；Output filter capacitorC f The other end, loadR d The other end, switching tube S3Source electrode, switching tube S4Drain electrode connect
Ground.
Because system is the topological structure of full-bridge, input voltage stress is reduced, improve voltage utilization；Output is only needed to
One filter inductance, and inductance is two-way magnetization, improves magnetic core utilization rate, reduces system weight and volume, improves power density.
System topological is diode series parallel structure, can specifically be split as two Buck circuits：Dc sourceU d , filter capacitorC d , open
Close pipe S1、S4, diode D1、D4, output inductorL, output filter capacitorC f And loadR d The Buck circuits one of composition；Direct current
VoltageU d , filter capacitorC d , switching tube S2、S3, diode D2、D3, output inductorL, output filter capacitorC f And loadR d Structure
Into Buck circuits two.
Fig. 2 is refer to, the present invention also provides a kind of double Buck full-bridge inverters of single inductance of diode series parallel structure
Control method, it is characterised in that：By the output voltage of inverteru o With given reference sinusoidal voltageu ref Compare and obtain the first mistake
Difference signal, the first error signal obtains outer voltage output valve through PI control algolithmsu e ；By output inductorLElectric current it is instantaneous
Valuei L With outer voltage output valveu e Compare and obtain the second error signal, the second error signal is obtained in electric current through PI control algolithms
Ring output valveu r ；Current inner loop output valveu r With the triangular wave carrier of high-frequency designu c Compare, the PWM output valves for obtaining are in output
The positive half cycle of voltage is used as switching tube S1Control signal, in output voltage negative half period as switching tube S2Control signal；By inversion
The output voltage of deviceu o The switching signal obtained through zero-crossing comparator is used as S3Control signal, switching signal is after negating computing
As switching tube S4Control signal.
In output inductorLCurrent instantaneous valuei L Positive half period more than zero, switching tube S1And sustained diode4Hand over
Temporary substitute is made, switching tube S4Conducting, S2、S3By.Now circuit work includes two mode：
1）Operation mode I：
As shown in figure 3, switching tube S2、S3By S4Turn on, now S1It is open-minded, sustained diode4By dc sourceU d Through
S1、D1To output inductorLFill energy, inductive currenti L Linear rise, exports inverter voltageu o The positive linear increase of value.The mould
State is continued until switching tube S1Shut-off, subsequently into operation mode II.
2）Operation mode II：
As shown in figure 4, maintained switch pipe S2、S3By S4Turn on, now S1Shut-off, sustained diode4Conducting enters afterflow shape
State, output inductor electric currenti L Linear decline, inverter output voltageu o It is linear to reduce.The mode is continued until switching tube S1
It is open-minded, operation mode I is then entered again.
In output inductorLCurrent instantaneous valuei L Minus negative half-cycle, switching tube S2And sustained diode3Hand over
Temporary substitute is made, switching tube S3Conducting, S1、S4By.Now circuit work includes two mode：
1）Operation mode III：
As shown in figure 5, switching tube S1、S4By S3Turn on, now S2It is open-minded, sustained diode3By dc sourceU d Through
S2、D2To output inductorLNegative sense fills energy, inductive currenti L Negative sense linear rise, exports inverter voltageu o Value negative sense linearly increases
Greatly.The mode is continued until switching tube S2Shut-off, subsequently into operation mode IV.
2）Operation mode IV：
As shown in fig. 6, maintained switch pipe S1、S4By S3Turn on, now S2Shut-off, sustained diode3Conducting enters afterflow shape
State, output inductor electric currenti L Negative sense linear decline, inverter output voltageu o Negative sense linearly reduces.The mode is continued until
Switching tube S2It is open-minded, operation mode III is then entered again.
Four operational modal analysis according to more than, can obtain the lower Fig. 1 of the high-frequency digital of two close cycles SPWM shown in Fig. 7 control and open up
Flutter four drive waveforms of switching tube grid source electrode.In output inductor electric currenti L Positive half period more than zero, switching tube S1High frequency
Open shut-off, S2、S3By S4Conducting；In output inductor electric currenti L Minus negative half-cycle, switching tube S2High frequency is open-minded
Shut-off, S1、S4By S3Conducting.
The above analysis, can obtain the lower Fig. 1 topology output signals of the high-frequency digital of two close cycles SPWM shown in Fig. 8 controlu o 、i L 、u L Work wave.Inverter output voltageu o 220V/50Hz sinusoidal variations, output inductor electric current are presentedi L In output
Voltageu o Positive half cycle is more than zero, output voltageu o Negative half period is less than zero.The voltage at output inductor two endsu L According to output voltageu o Change and change.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to covering scope of the invention.
Claims (2)
1. double Buck full-bridge inverters of a kind of single inductance of diode series parallel structure, it is characterised in that：Including dc sourceU d ,
DC side electrochemical capacitorC d , switching tube S1, switching tube S2, switching tube S3, switching tube S4, diode D1, diode D2, diode D3,
Diode D4, output inductorL, output filter capacitorC f And loadR d ；Dc sourceU d Positive pole respectively with DC side be electrolysed
Electric capacityC d Positive pole, switching tube S1Drain electrode, diode D3Negative pole, switching tube S3Drain electrode connection, dc sourceU d Negative pole
Respectively with DC side electrochemical capacitorC d Negative pole, diode D4Positive pole, switching tube S2Source electrode, switching tube S4Source electrode connection；
Switching tube S1Source electrode and diode D1Positive pole connection, switching tube S2Drain electrode and diode D2Negative pole connection；Diode D1
Negative pole and diode D4Negative pole, diode D3Positive pole, diode D2Positive pole, output inductorLOne end connection,
Output inductorLThe other end and output filter capacitorC f One end, loadR d One end connection, output filter capacitorC f 's
The other end, loadR d The other end, switching tube S3Source electrode, switching tube S4Grounded drain.
2. the controlling party of the double Buck full-bridge inverters of a kind of single inductance of the diode series parallel structure based on described in claim 1
Method, it is characterised in that：By the output voltage of inverteru o With given reference sinusoidal voltageu ref Compare and obtain the first error letter
Number, the first error signal obtains outer voltage output valve through PI control algolithmsu e ；By output inductorLCurrent instantaneous valuei L
With outer voltage output valveu e Compare and obtain the second error signal, it is defeated that the second error signal obtains current inner loop through PI control algolithms
Go out valueu r ；Current inner loop output valveu r With the triangular wave carrier of high-frequency designu c Compare, the PWM output valves for obtaining are in output voltage
Positive half cycle is used as switching tube S1Control signal, in output voltage negative half period as switching tube S2Control signal；By inverter
Output voltageu o The switching signal obtained through zero-crossing comparator is used as S3Control signal, switching signal conduct after negating computing
Switching tube S4Control signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049959.8A CN106685251A (en) | 2017-01-23 | 2017-01-23 | Single-inductor dual-Buck full-bridge inverter with diode series and parallel structure and control method of single-inductor dual-Buck full-bridge inverter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049959.8A CN106685251A (en) | 2017-01-23 | 2017-01-23 | Single-inductor dual-Buck full-bridge inverter with diode series and parallel structure and control method of single-inductor dual-Buck full-bridge inverter |
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| Publication Number | Publication Date |
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| CN106685251A true CN106685251A (en) | 2017-05-17 |
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| CN201710049959.8A Pending CN106685251A (en) | 2017-01-23 | 2017-01-23 | Single-inductor dual-Buck full-bridge inverter with diode series and parallel structure and control method of single-inductor dual-Buck full-bridge inverter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342700A (en) * | 2017-08-18 | 2017-11-10 | 西南石油大学 | A kind of new double step-down combining inverter for eliminating common mode leakage current |
| CN107404251A (en) * | 2017-08-28 | 2017-11-28 | 武汉华中数控股份有限公司 | A kind of two-way inversion module of full-bridge |
| CN107994798A (en) * | 2018-01-11 | 2018-05-04 | 福州大学 | A kind of two-way double buck inverters and its method of work containing on-line fault diagnosis |
| CN112803812A (en) * | 2021-03-20 | 2021-05-14 | 河北鹏远光电股份有限公司 | Motor train unit power supply and control method thereof |
| WO2023106997A1 (en) * | 2021-12-08 | 2023-06-15 | Advanced Instrument Pte. Ltd. | Circuit arrangement and method of forming the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929278A (en) * | 2006-08-16 | 2007-03-14 | 南京航空航天大学 | Cascading multiple electrical level double decompression semi-bridge converter |
| CN101355322A (en) * | 2008-09-05 | 2009-01-28 | 南京航空航天大学 | Single-electrical-inductance double-step-down type half-bridge inverter working in half cycle and control method thereof |
| CN103825455A (en) * | 2014-02-11 | 2014-05-28 | 南京航空航天大学 | Single-inductor dual-buck full-bridge inverter |
| CN104201918A (en) * | 2014-08-13 | 2014-12-10 | 南京航空航天大学 | Dual-buck bridge arm full-bridge inverter |
| US20150194909A1 (en) * | 2014-01-08 | 2015-07-09 | Majid Pahlevaninezhad | Zvs voltage source inverter |
-
2017
- 2017-01-23 CN CN201710049959.8A patent/CN106685251A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929278A (en) * | 2006-08-16 | 2007-03-14 | 南京航空航天大学 | Cascading multiple electrical level double decompression semi-bridge converter |
| CN101355322A (en) * | 2008-09-05 | 2009-01-28 | 南京航空航天大学 | Single-electrical-inductance double-step-down type half-bridge inverter working in half cycle and control method thereof |
| US20150194909A1 (en) * | 2014-01-08 | 2015-07-09 | Majid Pahlevaninezhad | Zvs voltage source inverter |
| CN103825455A (en) * | 2014-02-11 | 2014-05-28 | 南京航空航天大学 | Single-inductor dual-buck full-bridge inverter |
| CN104201918A (en) * | 2014-08-13 | 2014-12-10 | 南京航空航天大学 | Dual-buck bridge arm full-bridge inverter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342700A (en) * | 2017-08-18 | 2017-11-10 | 西南石油大学 | A kind of new double step-down combining inverter for eliminating common mode leakage current |
| CN107342700B (en) * | 2017-08-18 | 2019-02-01 | 西南石油大学 | A kind of double step-down combining inverter for eliminating common mode leakage current |
| CN107404251A (en) * | 2017-08-28 | 2017-11-28 | 武汉华中数控股份有限公司 | A kind of two-way inversion module of full-bridge |
| CN107404251B (en) * | 2017-08-28 | 2019-10-15 | 武汉华中数控股份有限公司 | A kind of two-way inverter module of full-bridge |
| CN107994798A (en) * | 2018-01-11 | 2018-05-04 | 福州大学 | A kind of two-way double buck inverters and its method of work containing on-line fault diagnosis |
| CN107994798B (en) * | 2018-01-11 | 2024-03-12 | 福州大学 | Bidirectional double-buck inverter with online fault diagnosis function and working method thereof |
| CN112803812A (en) * | 2021-03-20 | 2021-05-14 | 河北鹏远光电股份有限公司 | Motor train unit power supply and control method thereof |
| CN112803812B (en) * | 2021-03-20 | 2022-04-01 | 河北鹏远光电股份有限公司 | Motor train unit power supply and control method thereof |
| WO2023106997A1 (en) * | 2021-12-08 | 2023-06-15 | Advanced Instrument Pte. Ltd. | Circuit arrangement and method of forming the same |
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