CN106253721A - The boosting asymmetric control circuit of the resonator system with Z source network and method - Google Patents
The boosting asymmetric control circuit of the resonator system with Z source network and method Download PDFInfo
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- CN106253721A CN106253721A CN201610635003.1A CN201610635003A CN106253721A CN 106253721 A CN106253721 A CN 106253721A CN 201610635003 A CN201610635003 A CN 201610635003A CN 106253721 A CN106253721 A CN 106253721A
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- Prior art keywords
- switching tube
- source network
- module
- outfan
- source
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Classifications
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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
-
- 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
- H02M7/4815—Resonant converters
-
- 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
Abstract
The invention provides boosting asymmetric control circuit and the method for the resonator system of a kind of band Z source network, including: power module, Z source network module, switch control module and resonance modules；Described power module is connected with one end of switch control module by Z source network module, and the other end of switch control module is connected to load by resonance modules.The present invention is provided with Z source network module, utilizes the straight-through boost performance of Z source network to realize while full-bridge soft-switching and improves output voltage, and ensures that output waveform does not changes.Sofe Switch Rule of judgment under the asymmetric control that in addition, there will be still can be applicable to the judgement of Sofe Switch under the asymmetric control after improving, and therefore the control method in the present invention enriches control freedom degree, makes circuit function more perfect.
Description
Technical field
The present invention relates to electric and electronic technical field, in particular it relates to the boosting of the resonator system of a kind of band Z source network is not
Symmetry control circuit and method.
Background technology
Resonator system is an important component part of field of power electronics, and the research currently for resonator system is the widest
General.In order to improve the efficiency of resonator system, research worker proposes a variety of control algolithms, such as phase shifting control and asymmetric control
System.This kind of control improves system effectiveness by realizing the Sofe Switch of full-bridge inverter.Asymmetric control is due to its control strategy
The reason of itself, there is the situation of no-voltage output in output waveform within a cycle.And this state does not obtain well
Utilize.
Through finding the retrieval of prior art, the research introducing Z source network in resonator system is considerably less, and asymmetric
Control in the application of resonator system, the most do not mention the utilization to no-voltage output state.J.M.Burdio teach 2004
The asymmetric control for resonator system, and the judgement of Sofe Switch of deriving has been delivered on IEEE.Hereafter correlational study relates generally to
For the applied research of different resonance occasions (such as wireless power transmission), but lack of the research utilized in terms of zero-voltage state.
One weak point is exactly that the output voltage of full-bridge inverting is always lower than DC input voitage.P.Fang Zheng teaches 2003
IEEE delivers the research of Z source network, but Z source network has also been not applied in resonator system so far.In patent
Retrieval aspect, the Patents in Z source does not inquire, and asymmetric control and improvement thereof do not have yet.
In sum, combine Z source network at present and asymmetric control realizes the research of resonator system boosting and Sofe Switch very
Few.The application in resonator system of the Z source is few, and for combining asymmetric control and the researches of Z source network characteristic.Along with
The popularization of practical application, while realizing Sofe Switch under asymmetric control, carry out boosting rectifier control will become one important
Research direction.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide the boosting of the resonator system of a kind of band Z source network
Asymmetric control circuit and method.
The boosting asymmetric control circuit of the resonator system of the band Z source network according to present invention offer, including: power supply mould
Block, Z source network module, switch control module and resonance modules；Described power module passes through Z source network module and on-off control
One end of module is connected, and the other end of switch control module is connected to load by resonance modules.
Preferably, described power module includes: voltage source V0, power diode D1, and voltage source V0 positive pole is connected to power
The positive pole of diode D1, it is first defeated that the negative pole of described power diode D1, the negative pole of voltage source V0 respectively constitute power module
Go out end, the second outfan.
Preferably, described Z source network module includes: electrochemical capacitor C1, electrochemical capacitor C2, inductance L1, inductance L2, electrolysis electricity
The positive pole holding C1 is connected to one end of inductance L1, and the other end of inductance L1 is connected to the positive pole of electrochemical capacitor C2, electrochemical capacitor C2
Negative pole be connected to one end of inductance L2, the negative pole of electrochemical capacitor C1 is connected to the other end of inductance L2；Wherein: electrochemical capacitor C1
Positive pole, one end of inductance L2 respectively constitute first input end and second input of Z source network module, described Z source network mould
The first input end of block and the second input are connected with the first outfan, second outfan of power module respectively；Electrochemical capacitor
The positive pole of C2, the other end of inductance L2 respectively constitute the first outfan of Z source network module, the second outfan.
Preferably, described switch control module includes: switching tube S1, switching tube S2, switching tube S3, switching tube S4, switch
The source electrode of pipe S1 is connected with the drain electrode of S2, and the source electrode of switching tube S3 is connected with the drain electrode of S4, the drain electrode of switching tube S1 and switching tube
The drain electrode of S3 is connected, and the source electrode of switching tube S2 is connected with the source electrode of switching tube S4；Wherein: the drain electrode of switching tube S1, switching tube S2
Source electrode respectively constitute first input end and second input of switch control module, the first input of described switch control module
End and the second input are respectively connecting to the first outfan of Z source network module, the second outfan；The source electrode of switching tube S1, open
The source electrode closing pipe S3 respectively constitutes the first outfan and second outfan of switch control module.
Preferably, described resonance modules includes: resonant capacitance C3 and resonant inductance L3, and one end of resonant capacitance C3 is connected to
First outfan of switch control module, the other end of resonant capacitance C3 is connected to one end of load by resonant inductance L3, negative
The other end carried is connected to the second outfan of switch control module.
The boosting asymmetric control method of the resonator system of the band Z source network according to present invention offer, applies claim 1
Boosting asymmetric control circuit to the resonator system of the band Z source network according to any one of 5；Specifically realize process as follows:
When switching tube S1 and switching tube S4 turns on, full-bridge inverter output positive voltage；As switching tube S2 and switching tube S3
During conducting, full-bridge inverter output negative voltage；
When switching tube S1 and switching tube S2 turns on or switching tube S3 and switching tube S4 turns on, full-bridge inverter is in straight-through
State, exports no-voltage；
When switching tube S1 and switching tube S3 turns on or switching tube S2 and switching tube S4 turns on, full-bridge is in no-voltage shape
State, exports no-voltage.
Preferably, when full-bridge inverter is in pass-through state, power diode D1 disconnects, electrochemical capacitor C1 and electrolysis electricity
Hold C2 to charge to inductance L1, L2 respectively；When full-bridge inverter is not at non-pass-through state, power diode D1 turns on, by electricity
Potential source V0 provides electric energy.
Compared with prior art, the present invention has a following beneficial effect:
1, the boosting asymmetric control circuit of the resonator system of the band Z source network that the present invention provides, utilizes Z source network
Characteristic, it is achieved that the boost function of output voltage；Improve asymmetric control strategy, ensure the same of resonator system Sofe Switch
Time, moreover it is possible to auxiliary Z source network realizes boosting.
2, the boosting asymmetric control circuit of the resonator system of the band Z source network that the present invention provides is for full-bridge inverter control
System adds pass-through state, enriches switch motion, contributes to increasing the degree of freedom controlled.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the circuit theory diagrams of the embodiment of the present invention；
Fig. 2 is the sequential chart of tradition asymmetric control；
Fig. 3 is the switching sequence figure of embodiment in the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some changes and improvements.These broadly fall into the present invention
Protection domain.
The boosting asymmetric control circuit of the resonator system of the band Z source network according to present invention offer, including: power supply mould
Block, Z source network module, switch control module and resonance modules；Described power module passes through Z source network module and on-off control
One end of module is connected, and the other end of switch control module is connected to load by resonance modules.
Described power module includes: voltage source V0, power diode D1, and voltage source V0 positive pole is connected to power diode D1
Positive pole, the negative pole of described power diode D1, the negative pole of voltage source V0 respectively constitute the first outfan of power module, second
Outfan.
Described Z source network module includes: electrochemical capacitor C1, electrochemical capacitor C2, inductance L1, inductance L2, electrochemical capacitor C1's
Positive pole is connected to one end of inductance L1, and the other end of inductance L1 is connected to the positive pole of electrochemical capacitor C2, the negative pole of electrochemical capacitor C2
Being connected to one end of inductance L2, the negative pole of electrochemical capacitor C1 is connected to the other end of inductance L2；Wherein: electrochemical capacitor C1 is just
Pole, one end of inductance L2 respectively constitute first input end and second input of Z source network module, described Z source network module
First input end and the second input are connected with the first outfan, second outfan of power module respectively；Electrochemical capacitor C2's
Positive pole, the other end of inductance L2 respectively constitute the first outfan of Z source network module, the second outfan.
Described switch control module includes: switching tube S1, switching tube S2, switching tube S3, switching tube S4, the source of switching tube S1
Pole is connected with the drain electrode of S2, and the source electrode of switching tube S3 is connected with the drain electrode of S4, the drain electrode of switching tube S1 and the drain electrode of switching tube S3
Being connected, the source electrode of switching tube S2 is connected with the source electrode of switching tube S4；Wherein: the drain electrode of switching tube S1, the source electrode of switching tube S2 divide
Do not constitute first input end and second input of switch control module, the first input end of described switch control module and second
Input is respectively connecting to the first outfan of Z source network module, the second outfan；The source electrode of switching tube S1, switching tube S3
Source electrode respectively constitutes the first outfan and second outfan of switch control module.
Described resonance modules includes: resonant capacitance C3 and resonant inductance L3, and one end of resonant capacitance C3 is connected to switch control
First outfan of molding block, the other end of resonant capacitance C3 is connected to one end of load, load another by resonant inductance L3
One end is connected to the second outfan of switch control module.
The boosting asymmetric control method of the resonator system of the band Z source network according to present invention offer, applies above-mentioned band Z
The boosting asymmetric control circuit of the resonator system of source network；
When switching tube S1 and switching tube S4 turns on, full-bridge inverter output positive voltage；As switching tube S2 and switching tube S3
During conducting, full-bridge inverter output negative voltage；
When switching tube S1 and switching tube S2 turns on or switching tube S3 and switching tube S4 turns on, full-bridge inverter is in straight-through
State, exports no-voltage；
When switching tube S1 and switching tube S3 turns on or switching tube S2 and switching tube S4 turns on, full-bridge is in no-voltage shape
State, exports no-voltage；
When full-bridge inverter is in pass-through state, power diode D1 disconnects, and electrochemical capacitor C1 and electrochemical capacitor C2 divides
Do not charge to inductance L1, L2；When full-bridge inverter is not at non-pass-through state, power diode D1 turns on, by voltage source V0
Electric energy is provided.
Wherein: the resonant frequency of resonant capacitance C3 and resonant inductance L3 is less than the switching frequency of switching tube, and full-bridge inverting is defeated
Go out side impedance the most perceptual.
As it is shown in figure 1, present embodiments provide the full-bridge resonator system circuit of a kind of band Z source network, including power supply V0, merit
Rate diode D1, electrochemical capacitor C1 and C2, inductance L1 and L2, switching tube S1-S4, resonant inductance L3, resonant capacitance C3 and load
R, wherein:
The positive pole of power diode D1 is connected with the positive pole of power supply V0, and negative pole is connected with inductance L1, electric capacity C1；
One end of inductance L1 is connected with positive pole, the diode D1 negative pole of electric capacity C1, the other end and the positive pole of electric capacity C2, switch
The D of pipe S1 with S3 is extremely connected.
One end of inductance L2 is connected with negative pole, the negative pole of power supply V0 of electric capacity C1, the other end and negative, the switching tube of electric capacity C2
The S of S2 with S4 is extremely connected.
The S pole of switching tube S1 is connected with the D pole of S2, one end of resonant capacitance C3；
The S pole of switching tube S3 is connected with one end of the D pole of S4, load R；
One end of resonant inductance L3 is connected with one end, one end of load R of resonant capacitance C3.
The type selecting of each components and parts above-mentioned:
Power supply: DC source 380V；
Bearing power: 2.5kW；
Power diode (D1): 100V, 20A/100 DEG C, it is to avoid electric current is reverse；
Electrochemical capacitor (C1, C2): 300V, 3300 μ F, for energy storage；
Inductance (L1, L2): 330mH, 30A, for energy storage；
Switching tube (S1-S4): 300V, 15A, switching frequency 100kHz；
Resonant capacitance (C3): 300V, 6.8nF, for resonance；
Resonant inductance (L3): 411uH, 20A, for resonance；
Load (R): 50 Ω.
In order to realize the raising of output voltage, traditional asymmetric control part zero-voltage state is replaced by pass-through state,
Corresponding switching tube state: switching tube S1 and switching tube S3 conducting, or switching tube S2 and switching tube S4 conducting is changed to switching tube
S1 and switching tube S2 conducting, or switching tube S3 and switching tube S4 conducting.But the straight-through time is less than zero-voltage state.
The present invention can be used for resonator system field.Traditional asymmetric control can realize the Sofe Switch of resonator system, but
The maximum of full-bridge inverting output voltage is not over the input voltage of DC source；After introducing Z source network, it is possible to realize in profit
While realizing full-bridge soft-switching with asymmetric control, it is achieved output voltage boost function.The most also ensure output waveform shape
Not changing, the Sofe Switch Rule of judgment under existing asymmetric control still can be applicable to Sofe Switch under the asymmetric control after improving
Judgement.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, the feature in embodiments herein and embodiment can any phase
Combination mutually.
Claims (7)
1. the boosting asymmetric control circuit of the resonator system of a band Z source network, it is characterised in that including: power module, Z
Source network module, switch control module and resonance modules；Described power module passes through Z source network module and switch control module
One end be connected, the other end of switch control module by resonance modules be connected to load.
The boosting asymmetric control circuit of the resonator system of band Z source network the most according to claim 1, it is characterised in that
Described power module includes: voltage source V0, power diode D1, and voltage source V0 positive pole is connected to the positive pole of power diode D1,
The negative pole of described power diode D1, the negative pole of voltage source V0 respectively constitute the first outfan of power module, the second outfan.
The boosting asymmetric control circuit of the resonator system of band Z source network the most according to claim 1, it is characterised in that
Described Z source network module includes: electrochemical capacitor C1, electrochemical capacitor C2, inductance L1, inductance L2, and the positive pole of electrochemical capacitor C1 connects
To one end of inductance L1, the other end of inductance L1 is connected to the positive pole of electrochemical capacitor C2, and the negative pole of electrochemical capacitor C2 is connected to electricity
One end of sense L2, the negative pole of electrochemical capacitor C1 is connected to the other end of inductance L2；Wherein: the positive pole of electrochemical capacitor C1, inductance L2
One end respectively constitute first input end and second input of Z source network module, the first input end of described Z source network module
It is connected with the first outfan, second outfan of power module respectively with the second input；The positive pole of electrochemical capacitor C2, inductance L2
The other end respectively constitute the first outfan of Z source network module, the second outfan.
The boosting asymmetric control circuit of the resonator system of band Z source network the most according to claim 1, it is characterised in that
Described switch control module includes: switching tube S1, switching tube S2, switching tube S3, switching tube S4, and the source electrode of switching tube S1 is with S2's
Drain electrode is connected, and the source electrode of switching tube S3 is connected with the drain electrode of S4, and the drain electrode of switching tube S1 is connected with the drain electrode of switching tube S3, switch
The source electrode of pipe S2 is connected with the source electrode of switching tube S4；Wherein: the drain electrode of switching tube S1, the source electrode of switching tube S2 respectively constitute switch
The first input end of control module and the second input, the first input end of described switch control module and the second input are respectively
It is connected to the first outfan of Z source network module, the second outfan；The source electrode of switching tube S1, the source electrode structure respectively of switching tube S3
Become the first outfan and second outfan of switch control module.
The boosting asymmetric control circuit of the resonator system of band Z source network the most according to claim 1, it is characterised in that
Described resonance modules includes: resonant capacitance C3 and resonant inductance L3, and one end of resonant capacitance C3 is connected to switch control module
First outfan, the other end of resonant capacitance C3 is connected to one end of load by resonant inductance L3, and the other end of load connects
The second outfan to switch control module.
6. the boosting asymmetric control method of the resonator system of a band Z source network, it is characterised in that application claim 1 to 5
According to any one of the boosting asymmetric control circuit of resonator system of band Z source network；Specifically realize process as follows:
When switching tube S1 and switching tube S4 turns on, full-bridge inverter output positive voltage；When switching tube S2 and switching tube S3 turns on
Time, full-bridge inverter output negative voltage；
When switching tube S1 and switching tube S2 turns on or switching tube S3 and switching tube S4 turns on, full-bridge inverter is in through state
State, exports no-voltage；
When switching tube S1 and switching tube S3 turns on or switching tube S2 and switching tube S4 turns on, full-bridge is in zero-voltage state, defeated
Go out no-voltage.
The boosting asymmetric control method of the resonator system of band Z source network the most according to claim 6, it is characterised in that
When full-bridge inverter is in pass-through state, power diode D1 disconnects, and electrochemical capacitor C1 and electrochemical capacitor C2 is respectively to inductance
L1, L2 charge；When full-bridge inverter is not at non-pass-through state, power diode D1 turns on, voltage source V0 provide electric energy.
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| CN201610635003.1A CN106253721A (en) | 2016-08-04 | 2016-08-04 | The boosting asymmetric control circuit of the resonator system with Z source network and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478245A (en) * | 2009-01-23 | 2009-07-08 | 华南理工大学 | Z source soft switch power factor correcting full bridge converter |
| CN102882361A (en) * | 2012-09-25 | 2013-01-16 | 山东达能科技有限公司 | Method for eliminating harmonic wave in Z-source alternating current (AC)/AC converter by using pulse-width modulation (PWM) |
| CN104158427A (en) * | 2014-09-10 | 2014-11-19 | 哈尔滨工业大学 | Single-phase non-transformer isolation-type Z-source photovoltaic grid-connected inverter and modulation method |
| CN204696953U (en) * | 2015-05-28 | 2015-10-07 | 国网山东省电力公司聊城供电公司 | A kind of Z-source inverter being applicable to photovoltaic generation |
-
2016
- 2016-08-04 CN CN201610635003.1A patent/CN106253721A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478245A (en) * | 2009-01-23 | 2009-07-08 | 华南理工大学 | Z source soft switch power factor correcting full bridge converter |
| CN102882361A (en) * | 2012-09-25 | 2013-01-16 | 山东达能科技有限公司 | Method for eliminating harmonic wave in Z-source alternating current (AC)/AC converter by using pulse-width modulation (PWM) |
| CN104158427A (en) * | 2014-09-10 | 2014-11-19 | 哈尔滨工业大学 | Single-phase non-transformer isolation-type Z-source photovoltaic grid-connected inverter and modulation method |
| CN204696953U (en) * | 2015-05-28 | 2015-10-07 | 国网山东省电力公司聊城供电公司 | A kind of Z-source inverter being applicable to photovoltaic generation |
Non-Patent Citations (1)
| Title |
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| LUIS A. BARRAGÁN ET AL.: ""Efficiency Optimization in ZVS Series Resonant Inverters With Asymmetrical Voltage-Cancellation Control"", 《IEEE TRANSACTIONS ON POWER ELECTRONICS》 * |
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Application publication date: 20161221 |