CN105226925B - A kind of inverse-excitation type single-phase inverter and its control method - Google Patents
A kind of inverse-excitation type single-phase inverter and its control method Download PDFInfo
- Publication number
- CN105226925B CN105226925B CN201510740368.6A CN201510740368A CN105226925B CN 105226925 B CN105226925 B CN 105226925B CN 201510740368 A CN201510740368 A CN 201510740368A CN 105226925 B CN105226925 B CN 105226925B
- Authority
- CN
- China
- Prior art keywords
- decoupling
- switch pipe
- signal
- inverter bridge
- circuit
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 9
- 238000004088 simulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Inverter Devices (AREA)
Abstract
The present invention provides a kind of inverse-excitation type single-phase inverter and its control method.The inverse-excitation type single-phase inverter main circuit topology includes dc source, input capacitance, primary side switch pipe, isolating transformer, secondary side diode, secondary-side switch pipe, intermediate dc bus electric capacity, the first inverter bridge leg, the second inverter bridge leg, filter circuit, in addition to the active power decoupling circuit being made up of isolating transformer assists winding, decoupling diode, decoupling switch pipe, decoupling capacitance；Its control method is：Inverter bridge input current sampled value, intermediate dc bus voltage sample value obtain current reference by benchmark generative circuit, again by modulating wave generative circuit, pwm control circuit, zero-crossing comparator, logic circuit and drive circuit, so as to control current tracking its reference value on isolating transformer winding.The present invention is handled the power pulsations problem that output AC power is brought by active power decoupling circuit, to ensure DC power supply terminal input direct-current power.
Description
Technical field
The present invention relates to a kind of inverse-excitation type single-phase inverter and its control method, belong to isolated form inverter, it, which is utilized, has
Source power decoupling circuit come realize low frequency power pulsation decoupling.
Background technology
In recent years, the mankind increasingly pay attention to natural environment, cleaning, efficient, the new energy power technology of sustainable development
Attract wide attention, some inverter topologies and control program on generation of electricity by new energy occurred.For this inversion
Device, the two frequency multiplication power pulsations contained in output AC power will necessarily feedback transmission to direct current input side, so as to influence electric power storage
The service life of the input sources such as pond, fuel cell, the stability of DC power system can be disturbed when serious, therefore solve new energy
Power ripple problem in electricity generation system, the utilization ratio for improving new energy are very urgent.Although this low-frequency ripple can be with
Filtered out with big electrochemical capacitor, but under high temperature operating conditions, frequently discharge and recharge can cause its use to electrochemical capacitor for a long time
Life-span declines, it is contemplated that to the service life and power density of inverter, does not recommend electrochemical capacitor.Access in circuit
LC resonance circuits, by the way that resonant circuit frequency is designed as into twice of output frequency, twice of power ripple can also be filtered out, but it is required
Inductance and electric capacity volume it is all bigger, reduce the reliability and power density of system.Sum it up, these conventional dependence
Passive device filters out the method for power ripple, and often all there is the problems such as volume is big, cost is high.Therefore, some scholars
Other methods are being explored, in addition to improving circuit topology, it was also proposed that the control strategy of novelty, can not only filter out power line
Ripple, capacitance can also be reduced to use other more long-life electric capacity, such as thin-film capacitor etc..
The content of the invention
It is an object of the invention to provide a kind of inverse-excitation type single-phase inversion for the technological deficiency present in above-mentioned inverter
Device and its control method, using this inverter and control method, transformation of electrical energy is both realized, it is low to solve direct current input side again
Frequency power pulsations problem, there is good stability characteristic (quality).
The present invention to achieve the above object, adopts the following technical scheme that：
A kind of inverse-excitation type single-phase inverter, including dc source, input capacitance, primary side switch pipe, isolating transformer, secondary
Diode, secondary-side switch pipe, intermediate dc bus electric capacity, the first inverter bridge leg, the second inverter bridge leg, filter circuit and active work(
Rate decoupling circuit；Wherein active power decoupling circuit is by isolating transformer assists winding, decoupling diode, decoupling capacitance and four
Decoupling switch pipe forms；Wherein isolating transformer primary side winding Same Name of Ends connects the one of DC power anode and input capacitance respectively
End, the colelctor electrode of the different name termination primary side switch pipe of isolating transformer primary side winding, the emitter stage of primary side switch pipe connect directly respectively
The negative pole and the input capacitance other end of power supply are flowed, the anode of the different name termination secondary side diode of isolating transformer vice-side winding is secondary
The negative electrode of side diode connects the colelctor electrode of secondary-side switch pipe, and each inverter bridge leg includes two switching tubes, first switch pipe
Positive input terminal of the colelctor electrode as the first inverter bridge leg, the emitter stage of first switch pipe are connected structure with the colelctor electrode of second switch pipe
Into the output end of the first inverter bridge leg, the negative input end of the emitter stage of second switch pipe as the first inverter bridge leg, the 3rd switch
Positive input terminal of the colelctor electrode of pipe as the second inverter bridge leg, the emitter stage of the 3rd switching tube and the colelctor electrode of the 4th switching tube connect
Connect the output end for forming the second inverter bridge leg, the negative input end of the emitter stage of the 4th switching tube as the second inverter bridge leg, first
The positive input terminal of inverter bridge leg and the second inverter bridge leg composition inverter bridge, the first inverter bridge leg and the second inverter bridge leg connects and composes
The negative input end of the positive input terminal of inverter bridge, the first inverter bridge leg and the second inverter bridge leg connects and composes the negative input of inverter bridge
End, the emitter stage of secondary-side switch pipe, one end of intermediate dc bus electric capacity are connected with the positive input terminal of inverter bridge, and inverter bridge is born
Input, the intermediate dc bus electric capacity other end connect with the Same Name of Ends of isolating transformer vice-side winding, the first inverter bridge leg and
The output termination filter circuit of second inverter bridge leg, the anode of the different name termination decoupling diode of isolating transformer assists winding,
Decoupling diode negative electrode, the colelctor electrode of the first decoupling switch pipe and the colelctor electrode of the second decoupling switch pipe be connected, aid in around
Same Name of Ends, the emitter stage of the 3rd decoupling switch pipe and the emitter stage of the 4th decoupling switch pipe of group are connected, the first decoupling switch
The emitter stage of pipe, the colelctor electrode of the 3rd decoupling switch pipe are connected with the anode of decoupling capacitance, the negative terminal of decoupling capacitance, the second solution
The colelctor electrode of the emitter stage of coupling switching tube and the 4th decoupling switch pipe is connected.Wherein, the control method of inverter bridge is single for tradition
Level property PWM；Characterized in that, the control method of the inverse-excitation type single-phase inverter is further comprising the steps of：
Step A, detect decoupling capacitance voltage signal, intermediate dc bus voltage signal, the input current signal of inverter bridge；
Step B, the decoupling capacitance voltage signal that step A is obtained pass through low pass filter, obtain its DC component；
Step C, the difference of computation decoupling capacitance voltage reference signal and decoupling capacitance voltage signal DC component；
Step D, by the obtained intermediate dc bus voltage signals of step A and the input current signal input reference of inverter bridge
Generative circuit, obtain primary current reference signal and secondary current reference signal；
Step E, the voltage difference that step C is obtained is adjusted with PI controllers, then adds the primary side that step D is obtained
Current reference signal, obtain primary current actual reference signal；
Step F, calculate the difference of intermediate dc bus voltage reference signal and intermediate dc bus voltage signal；
Step G, the voltage difference that step F is obtained is adjusted with PI controllers, then adds the secondary that step D is obtained
Current reference signal, obtain secondary current actual reference signal；
Step H, by the primary current actual reference signal that step E is obtained and the actual reference of secondary current that step G is obtained
Signal inputs modulating wave generative circuit, obtains first, second, third modulation wave signal；
Step I, foregoing first, second modulation wave signal is inputted into pwm control circuit respectively, obtains first, second logic
Signal；
Step J, the 3rd modulation wave signal that step H is obtained input zero-crossing comparator, obtain the 3rd logical signal；
Step K, by foregoing first logical signal input logic circuit, after first passing through logic inverter in logic circuits, then
By logic inverter, the control signal of primary side switch pipe is obtained；
Foregoing first, second, third logical signal is distinguished into input logic circuit, first, second patrolled in logic circuits
Signal is collected after logic XOR gate, and the 3rd logical signal accesses logical AND gate together, obtains the first, the 4th decoupling switch pipe
Control signal；
Foregoing first, second, third logical signal is distinguished into input logic circuit, first, second patrolled in logic circuits
Volume signal pass through logic XOR gate, and for the 3rd logical signal after logic inverter, another rise accesses logical AND gate, obtain second,
The control signal of 3rd decoupling switch pipe；
Foregoing first, second, third logical signal is distinguished into input logic circuit, the first logic is believed in logic circuits
Number, the control signal of the control signal of the first decoupling switch pipe and the second decoupling switch pipe access logic nor gate together, obtain
The control signal of secondary-side switch pipe；
Step L, by the control signal of the obtained primary side switch pipes of step K, the control of the first, the 4th decoupling switch pipe is believed
Number, the control signal of second, third decoupling switch pipe and the control signal difference input driving circuit of secondary-side switch pipe, obtain
The drive signal of the drive signal of primary side switch pipe, the drive signal of secondary-side switch pipe and four decoupling switch pipes, control are anti-
Swash formula single-phase inverter.
Beneficial effect：
The present invention discloses a kind of inverse-excitation type single-phase inverter and its control method, will be exported and exchanged using the control method
The power pulsations that power band comes guide active power decoupling circuit into, so as to effectively decouple pulsating power to ensure DC power supply terminal
Input direct-current power.
Brief description of the drawings
Accompanying drawing 1 is a kind of inverse-excitation type single-phase inverter main circuit of the present invention and its structural representation of control method.
Accompanying drawing 2 is a kind of further equivalent circuit diagram of inverse-excitation type single-phase inverter of the present invention.
3~Fig. 7 of accompanying drawing is a kind of each switch mode schematic diagram of inverse-excitation type single-phase inverter of the present invention.
Accompanying drawing 8 is that the present invention is applied to input current, auxiliary capacitor voltage, secondary under output voltage 220V/50Hz occasions
The simulation waveform of electric current and output voltage.
Primary symbols title in above-mentioned accompanying drawing：Vi, dc source.Ci, input capacitance.Sp, primary side switch pipe.Ss, secondary
Switching tube.Sx1、Sx2、Sx3、Sx4, be decoupling switch pipe.Ds, secondary side diode.Dx, decoupling diode.Cdc, intermediate dc it is female
Line capacitance.Cx, decoupling capacitance.T, isolating transformer.N1, isolating transformer primary side winding.N2, isolating transformer vice-side winding.
Nx, isolating transformer assists winding.Lm, isolating transformer magnetizing inductance.S1~S4, be power switch pipe.Lf, filter inductance.
Cf, filter capacitor.RL, load.Vdc, intermediate dc bus voltage.vx, decoupling capacitance voltage.vo, output voltage.
Embodiment
The technical scheme of invention is described in detail below in conjunction with the accompanying drawings：
Accompanying drawing 1 is a kind of inverse-excitation type single-phase inverter main circuit and its structural representation of control method.Inverse-excitation type is single-phase
Converter main circuit is by dc source Vi, input capacitance Ci, primary side switch pipe Sp, isolating transformer T, secondary side diode Ds, secondary
Switching tube Ss, intermediate dc bus electric capacity Cdc, the first inverter bridge leg, the second inverter bridge leg, filter circuit and active power decoupling
Circuit forms, and wherein active power decoupling circuit includes isolating transformer assists winding Nx, decoupling diode Dx, decoupling capacitance Cx
With four decoupling switch pipe Sx1~Sx4。N1It is isolating transformer primary side winding.N2It is isolating transformer vice-side winding.S1~S4It is
Power switch pipe.LfIt is filter inductance.CfIt is filter capacitor.RLIt is load.VdcIt is intermediate dc bus voltage.vxIt is decoupling electricity
Hold voltage.vo, output voltage.
Detect decoupling capacitance voltage signal vx, intermediate dc bus voltage signal Vdc, the input current signal of inverter bridge
iinv；By decoupling capacitance voltage signal vxBy low pass filter, its DC component V is obtainedx；Computation decoupling capacitance voltage is with reference to letter
Number Vx-refWith decoupling capacitance voltage signal DC component VxDifference DELTA Vx；By intermediate dc bus voltage signal VdcAnd inverter bridge
Input current signal iinvInput reference generative circuit, obtain primary current reference signal Ip-refWith secondary current reference signal
is-ref；By voltage difference Δ VxIt is adjusted with PI controllers, then adds primary current reference signal Ip-ref, obtain primary side electricity
Flow actual reference signal Ip-r；Calculate intermediate dc bus voltage reference signal Vdc-refWith intermediate dc bus voltage signal Vdc's
Difference DELTA Vdc；By voltage difference Δ VdcIt is adjusted with PI controllers, then adds secondary current reference signal is-ref, obtain
Secondary current actual reference signal is-r；By primary current actual reference signal Ip-rWith secondary current actual reference signal is-rIt is defeated
Enter modulating wave generative circuit, obtain the first modulation wave signal M1, the second modulation wave signal M2With the 3rd modulation wave signal M3；By
One modulation wave signal M1With the second modulation wave signal M2Pwm control circuit is inputted respectively, obtains the first logical signal C1Patrolled with second
Collect signal C2；By the 3rd modulation wave signal M3Zero-crossing comparator is inputted, obtains the 3rd logical signal C3；By the first logical signal C1
Input logic circuit, after first passing through logic inverter in logic circuits, then by logic inverter, obtain the control of primary side switch pipe
Signal Qp；By the first logical signal C1, the second logical signal C2With the 3rd logical signal C3Input logic circuit respectively, in logic
First logical signal C in circuit1With the second logical signal C2After logic XOR gate, and the 3rd logical signal C3Access together
Logical AND gate, obtain the control signal Q of the first, the 4th decoupling switch pipex1/Qx4；By the first logical signal C1, the second logical signal
C2With the 3rd logical signal C3Distinguish input logic circuit, in logic circuits the first logical signal C1With the second logical signal C2
By logic XOR gate, the 3rd logical signal C3It is another to play access logical AND gate after logic inverter, obtain second, third
The control signal Q of decoupling switch pipex2/Qx3；By the first logical signal C1, the second logical signal C2With the 3rd logical signal C3Respectively
Input logic circuit, in logic circuits the first logical signal C1, the first decoupling switch pipe control signal Qx1With the second decoupling
The control signal Q of switching tubex2Logic nor gate is accessed together, obtains the control signal Q of secondary-side switch pipes；By primary side switch pipe
Control signal Qp, the control signal Q of the first, the 4th decoupling switch pipex1/Qx4, the control signal of second, third decoupling switch pipe
Qx2/Qx3And the control signal Q of secondary-side switch pipesInput driving circuit respectively, obtains the drive signal S of primary side switch pipep, it is secondary
The drive signal S of side switching tubepAnd the drive signal S of four decoupling switch pipesx1~Sx4, control inverse-excitation type single-phase inverter.
Below with the main circuit structure after equivalent shown in accompanying drawing 2, the specific of the present invention is described with reference to 3~accompanying drawing of accompanying drawing 7
Operation principle, wherein only DC converter operation mode is analyzed, and the operation principle of inverter bridge repeats no more.Due to straight
It is constant to flow the input power that power supply provides, and power output is include the pulsating quantity of secondary ripple wave, according to input power and
The mode of operation of the big wisp circuit of instantaneous output is divided into two kinds, when input power is more than instantaneous output, circuit
Pattern I state is worked in, when input power is less than instantaneous output, circuit works in pattern II states.
The working condition of each switch mode is made a concrete analysis of below.
Before analysis, first make the following assumptions：1. intermediate dc bus capacitance voltage VdcFor definite value；2. all power devices
It is preferable；3. the isolating transformer turn ratio is：N1∶N2=N1∶Nx=1: n.
1. switch mode 1 [corresponding to accompanying drawing 3]
Primary side switch pipe SpIt is open-minded, transformer magnetizing inductance LmStart energy storage, primary current ipLinear rise of starting from scratch arrives
Up to reference value Ip-r.Electric current ipHigh fdrequency component flow through input capacitance Ci, so input current IiFor a DC quantity.
First modulation wave signal M1It is represented by：
Wherein, TsFor switch periods.
2. switch mode 2 [corresponding to accompanying drawing 4,5]
This stage can be divided into two kinds of different situations of pattern I and pattern II.
Circuit works in pattern I (corresponding to accompanying drawing 4)：Switching tube SpShut-off, while open decoupling switch pipe Sx1And Sx4, become
Depressor magnetizing inductance electric current flows through decoupling diode Dx, decoupling switch pipe Sx1, decoupling capacitance CxAnd decoupling switch pipe Sx4, transformer
Magnetizing inductance bears backward voltage, and because the switching frequency of converter is high, decoupling capacitance voltage can be seen in a switch periods
As definite value, electric current ixLinearly decrease to reference value is-rWhen, this mode terminates.
Circuit works in pattern II (corresponding to accompanying drawing 5)：Open decoupling switch pipe S simultaneouslyx2And Sx3, transformer excitation electricity
The forward voltage on decoupling capacitance, electric current i are born in sensexLinear rise, when it rises to reference value is-rWhen, decoupling switch pipe Sx2
And Sx3Simultaneously turn off, this mode terminates.
Second modulation wave signal M2It is represented by：
3rd modulation wave signal M3It is represented by：
M3=Ip-r-nis-r (3)
3. switch mode 3 [corresponding to accompanying drawing 6]
Open secondary-side switch pipe Ss, transformer magnetizing inductance provides energy to load, while intermediate dc bus electric capacity stores up
Energy.In this stage, electric current isBy secondary current reference value is-rLinearly decrease to zero.
4. switch mode 4 [corresponding to accompanying drawing 7]
Electric current isDrop to zero.In this stage, secondary-side switch pipe SsStill turn on, but no electric current flows through, intermediate dc
Bus capacitor provides power output.
Fig. 8 is that the present invention is applied to simulation waveform under output voltage 220V/50Hz occasions.It can be seen from simulation waveform
Input current is essentially DC current, illustrates that the inverse-excitation type single-phase inverter can be good at suppressing caused by output ripple power
Direct current source low-frequency current ripple.
Description more than is it is known that a kind of inverse-excitation type single-phase inverter proposed by the present invention and its control method have
The advantages of following several respects：
1) increased active power decoupling circuit effectively inhibits direct current source low frequency caused by output ripple power
Current ripples, avoid using the electrochemical capacitor that volume is big, reliability is low.
2) control method is simple, without sampling the isolating transformer original secondary current i.e. peak value waveform of controllable current.
Claims (1)
1. a kind of control method of inverse-excitation type single-phase inverter, the inverse-excitation type single-phase inverter includes dc source, input electricity
Appearance, primary side switch pipe, isolating transformer, secondary side diode, secondary-side switch pipe, intermediate dc bus electric capacity, the first inverter bridge leg,
Second inverter bridge leg, filter circuit and active power decoupling circuit, wherein active power decoupling circuit are aided in by isolating transformer
Winding, decoupling diode, decoupling capacitance and four decoupling switch pipe compositions；Wherein isolating transformer primary side winding Same Name of Ends is distinguished
Connect one end of DC power anode and input capacitance, the current collection of the different name termination primary side switch pipe of isolating transformer primary side winding
Pole, the emitter stage of primary side switch pipe connect the negative pole and the input capacitance other end of dc source, isolating transformer vice-side winding respectively
Different name termination secondary side diode anode, the negative electrode of secondary side diode connects the colelctor electrode of secondary-side switch pipe, each inverter bridge leg
All include two switching tubes, the positive input terminal of the colelctor electrode of first switch pipe as the first inverter bridge leg, the hair of first switch pipe
The colelctor electrode of emitter-base bandgap grading and second switch pipe connects and composes the output end of the first inverter bridge leg, and the emitter stage of second switch pipe is used as the
The negative input end of one inverter bridge leg, the positive input terminal of the colelctor electrode of the 3rd switching tube as the second inverter bridge leg, the 3rd switching tube
Emitter stage and the colelctor electrode of the 4th switching tube connect and compose the output end of the second inverter bridge leg, the emitter stage of the 4th switching tube is made
For the negative input end of the second inverter bridge leg, the first inverter bridge leg and the second inverter bridge leg form inverter bridge, the first inverter bridge leg and
The positive input terminal of second inverter bridge leg connects and composes the positive input terminal of inverter bridge, the first inverter bridge leg and the second inverter bridge leg it is negative
Input connects and composes the negative input end of inverter bridge, the emitter stage of secondary-side switch pipe, one end of intermediate dc bus electric capacity and inverse
Become the positive input terminal connection of bridge, negative input end, the intermediate dc bus electric capacity other end and the isolating transformer secondary of inverter bridge around
Group Same Name of Ends connection, the first inverter bridge leg and the second inverter bridge leg output termination filter circuit, isolating transformer auxiliary around
The anode of the different name termination decoupling diode of group, decouples the negative electrode of diode, the colelctor electrode of the first decoupling switch pipe and the second solution
The colelctor electrode of coupling switching tube is connected, the Same Name of Ends of assists winding, the emitter stage and the 4th decoupling switch of the 3rd decoupling switch pipe
The emitter stage of pipe is connected, and the emitter stage of the first decoupling switch pipe, the colelctor electrode of the 3rd decoupling switch pipe and decoupling capacitance are just
End is connected, and the colelctor electrode of the negative terminal of decoupling capacitance, the emitter stage of the second decoupling switch pipe and the 4th decoupling switch pipe is connected；
Wherein, the control method of inverter bridge is traditional single stage PWM；Characterized in that, the control of the inverse-excitation type single-phase inverter
Method is further comprising the steps of：
Step A, detect decoupling capacitance voltage signal, intermediate dc bus voltage signal, the input current signal of inverter bridge；
Step B, the decoupling capacitance voltage signal that step A is obtained pass through low pass filter, obtain its DC component；
Step C, the difference of computation decoupling capacitance voltage reference signal and decoupling capacitance voltage signal DC component；
Step D, the obtained intermediate dc bus voltage signals of step A and the input current signal input reference of inverter bridge are generated
Circuit, obtain primary current reference signal and secondary current reference signal；
Step E, the voltage difference that step C is obtained is adjusted with PI controllers, then adds the primary current that step D is obtained
Reference signal, obtain primary current actual reference signal；
Step F, calculate the difference of intermediate dc bus voltage reference signal and intermediate dc bus voltage signal；
Step G, the voltage difference that step F is obtained is adjusted with PI controllers, then adds the secondary current that step D is obtained
Reference signal, obtain secondary current actual reference signal；
Step H, by the primary current actual reference signal that step E is obtained and the secondary current actual reference signal that step G is obtained
Modulating wave generative circuit is inputted, obtains first, second, third modulation wave signal；
Step I, foregoing first, second modulation wave signal is inputted into pwm control circuit respectively, obtains first, second logical signal；
Step J, the 3rd modulation wave signal that step H is obtained input zero-crossing comparator, obtain the 3rd logical signal；
Step K, foregoing first logical signal input logic circuit after first passing through logic inverter in logic circuits, then passes through
Logic inverter, obtain the control signal of primary side switch pipe；
Foregoing first, second, third logical signal is distinguished into input logic circuit, first, second logic is believed in logic circuits
Number after logic XOR gate, and the 3rd logical signal accesses logical AND gate together, obtains the control of the first, the 4th decoupling switch pipe
Signal processed；
Foregoing first, second, third logical signal is distinguished into input logic circuit, first, second logic is believed in logic circuits
Number pass through logic XOR gate, the 3rd logical signal is another to play access logical AND gate after logic inverter, obtains second, third
The control signal of decoupling switch pipe；
Foregoing first, second, third logical signal is distinguished into input logic circuit, in logic circuits the first logical signal, the
The control signal of one decoupling switch pipe and the control signal of the second decoupling switch pipe access logic nor gate together, obtain secondary and open
Close the control signal of pipe；
Step L, by the control signal of the obtained primary side switch pipes of step K, the control signal of the first, the 4th decoupling switch pipe,
2nd, the control signal of the 3rd decoupling switch pipe and the control signal of secondary-side switch pipe difference input driving circuit, obtain primary side
The drive signal of the drive signal of switching tube, the drive signal of secondary-side switch pipe and four decoupling switch pipes, control inverse-excitation type
Single-phase inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740368.6A CN105226925B (en) | 2015-11-02 | 2015-11-02 | A kind of inverse-excitation type single-phase inverter and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740368.6A CN105226925B (en) | 2015-11-02 | 2015-11-02 | A kind of inverse-excitation type single-phase inverter and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105226925A CN105226925A (en) | 2016-01-06 |
| CN105226925B true CN105226925B (en) | 2018-01-05 |
Family
ID=54995696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510740368.6A Active CN105226925B (en) | 2015-11-02 | 2015-11-02 | A kind of inverse-excitation type single-phase inverter and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105226925B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595398B (en) * | 2017-04-10 | 2024-02-02 | 台达电子企业管理（上海）有限公司 | Control device and control method |
| CN112467990B (en) * | 2020-11-12 | 2022-05-31 | 东南大学 | Direct-current power spring topology based on three-active-bridge converter and control method |
| CN112910296B (en) * | 2021-01-07 | 2022-11-29 | 元山(济南)电子科技有限公司 | Single-phase inverter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100588105C (en) * | 2008-04-15 | 2010-02-03 | 张海波 | Inverse-excitation type single-stage inverter for interconnected photovoltaic power generation system |
| US8503200B2 (en) * | 2010-10-11 | 2013-08-06 | Solarbridge Technologies, Inc. | Quadrature-corrected feedforward control apparatus and method for DC-AC power conversion |
| CN103326602B (en) * | 2013-06-05 | 2015-12-23 | 江苏高博智融科技有限公司 | A kind of inverter |
-
2015
- 2015-11-02 CN CN201510740368.6A patent/CN105226925B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105226925A (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104682430B (en) | A kind of energy router apparatus being applied to energy the Internet | |
| CN106059306B (en) | A kind of multiple-unit diode capacitance network high-gain full-bridge isolated DC converter | |
| CN103746591B (en) | A kind of single-phase non-isolated grid-connected inverter of H6 and modulator approach thereof | |
| CN106374770A (en) | Input and output common-ground boost-buck photovoltaic grid-connected inverter and control method thereof | |
| CN105162350A (en) | High-efficiency wide-load-range three-phase micro-inverter and control method thereof | |
| CN105119516A (en) | Quasi Z-source inverter with high boost gain | |
| CN105226925B (en) | A kind of inverse-excitation type single-phase inverter and its control method | |
| CN106787757A (en) | A kind of CLTCL resonance DCs converter | |
| CN109194175A (en) | A kind of non-isolated grid-connected inverter circuit of type leakage current and control method altogether | |
| CN107565814A (en) | A kind of quasi- Z source switch boosting inverters of high-gain suitable for fuel cell power generation | |
| CN103956903B (en) | LC parallel resonances are depressured the control method of DC/DC conversion device | |
| CN105226986B (en) | A kind of inverter and its control method for eliminating the pulsation of input side secondary power | |
| CN106655738B (en) | A kind of the quasi-single-stage inverter and its control method of no electrolytic capacitor | |
| CN206422691U (en) | A kind of type high-gain Z sources DC DC converters altogether | |
| CN203151389U (en) | Control circuit of three-phase high power factor rectifier | |
| CN203562977U (en) | Photovoltaic inverter of Buck-Boost type topological structure | |
| CN106655862A (en) | Ripple suppressing non-isolated inverter and control method thereof | |
| CN110165923A (en) | A kind of inverter circuit | |
| CN105187005A (en) | Miniature photovoltaic inverter with zero input secondary ripple current content | |
| CN104578880A (en) | DC-AC conversion circuit and control method thereof | |
| CN108123634B (en) | A kind of polarity reversion output type inverter and its control method with power decoupled | |
| CN108111046B (en) | A kind of active Ripple Suppression type grid-connected converter and its control method | |
| CN108111039B (en) | A kind of high efficiency miniature photovoltaic grid-connected inverter inhibiting input low-frequency ripple | |
| CN207638554U (en) | A kind of PFC supply units | |
| CN208849691U (en) | A kind of crisscross parallel gird-connected inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |