CN208890679U - A kind of phase shift type three-phase high frequency chain matrix inverter topological structure - Google Patents
A kind of phase shift type three-phase high frequency chain matrix inverter topological structure Download PDFInfo
- Publication number
- CN208890679U CN208890679U CN201821978263.XU CN201821978263U CN208890679U CN 208890679 U CN208890679 U CN 208890679U CN 201821978263 U CN201821978263 U CN 201821978263U CN 208890679 U CN208890679 U CN 208890679U
- Authority
- CN
- China
- Prior art keywords
- tube
- controlled
- load
- capacitor
- collector
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
Abstract
The utility model discloses a kind of phase shift type three-phase high frequency chain matrix inverter topological structure, the phase shift type three-phase high frequency chain matrix inverter topology is sequentially connected and is constituted by full-bridge inverter, transformer T, matrix converter, LC mode filter；The topological structure inhibits voltage oscillation and due to voltage spikes by introducing two clamp diodes and resonant inductance；The difference of used uni-polarity phase-shifted control strategy and traditional phase shifting control is that the phase shifting angle of uni-polarity phase-shifted control strategy is continually changing, the matrix converter of transformer rear class can be decoupled into two common voltage type inverters and be controlled, under coupling unipolarity phase shift modulation method of unhitching, the zero voltage switch of all controlled tr tubes in topology may be implemented, switching tube loss can be reduced, improve the efficiency of converter.The utility model has many advantages, such as that power conversion grade is few, control method is simple, circuit stability is high.
Description
Technical field
The utility model relates to electronic power converter topology and modulation field, especially a kind of phase shift type three-phase is high
Frequency chain matrix inverter topological structure.
Background technique
Inverter is a kind of topology apparatus for direct current energy being converted into AC energy.High-frequency chain inverter uses transformer
Substitution Industrial Frequency Transformer overcomes the disadvantages of traditional transformer volume is big, noise is big, at high cost.High frequency chain matrix inverter
Conversion process has tri- kinds of power features of DC/HFAC/LFAC, wherein HFAC: high-frequency ac, LFAC: low-frequency ac.It knows such
Occurs DC/AC i.e. DC/AC inversion link in inverter, which is located at transformer primary side, and AC/AC occurs and hand over
Stream/exchange conversion link, the link are also commonly referred to as matrix converter link, are located at transformer secondary.Matrix converter and tradition
Converter is compared, and does not have intermediate energy storage link, and using two-way switch, the two-way flow of energy, compact-sized, volume may be implemented
It is small, high-efficient, and output voltage amplitude and frequency can be with independent controls.
Due to the presence of transformer leakage inductance, when the high frequency chain matrix inverter change of current, in transformer secondary matrix converter
Power tube on generate biggish voltage overshoot, therefore the Safe commutation of transformer secondary matrix converter is always to restrict high frequency
Chain inverter realizes the technological difficulties promoted on a large scale.It is mainly the following Safe commutation strategy at present: 1. having by being added
Source clamps to inhibit voltage overshoot, Sofe Switch may be implemented, but the clamp circuit introduced increases cost, increased controlled power
Pipe also makes to control increasingly complex；2. unipolarity and bi-polarity phase-shifted control strategy are realized by the commutation overlap of matrix converter
The nature commutation of inductive current, and realize the ZVS of power tube, but there are the commutation overlap time it is not easy to control the problems such as；③
Series resonant circuit is introduced to realize the soft commutation of power tube in preceding-stage inversion device, and power tube switching is required to occur in zero electricity at this time
It flows the moment, and controls output energy demand and judge resonance working condition, so that control mode is complicated.
Although causing the modulation of inverter and control increasingly complex however, above-mentioned strategy can be realized Safe commutation, leading
System reliability is caused to be lowered so that the popularization and use for affecting the quasi-converter.
Utility model content
In view of the above technical problems, the purpose of this utility model is to provide a kind of phase shift type three-phase high frequency chain matrix is inverse
Become device topological structure.The utility model power conversion grade is few, modulation is simple, and combines realization monopole with the voltage-type coupling that unhitches
Property prime phase shift modulation method.
To achieve the above object, the utility model is realized according to following technical scheme:
A kind of phase shift type three-phase high frequency chain matrix inverter topological structure of the utility model, which is characterized in that including
Full-bridge inverter, transformer T, matrix converter, LC mode filter, each component are sequentially connected composition；
Wherein, the full-bridge inverter is by DC input voitage Ui, controlled tr tube S1, controlled tr tube S2, controllable switch
Pipe S3, controlled tr tube S4, diode DC1, diode DC2, inductance LrComposition；
The matrix converter is by controlled tr tube S1a, controlled tr tube S4b, controlled tr tube S4a, controlled tr tube S1b、
Controlled tr tube S3a, controlled tr tube S6b, controlled tr tube S6a, controlled tr tube S3b, controlled tr tube S5a, controlled tr tube
S2b, controlled tr tube S2a, controlled tr tube S5bComposition；
The LC mode filter is by the first inductance Lf1, the second inductance Lf2, third inductance Lf3, first capacitor Cf1, the second capacitor
Cf2, third capacitor Cf3, load R1, load R2, load R3Composition；
The DC input voitage UiAnode respectively with controlled tr tube S1Collector, diode DC1Anode, can
Control switching tube S3Collector be connected, the DC input voitage UiCathode respectively with controlled tr tube S2Emitter, two poles
Pipe DC2Cathode, controlled tr tube S4Emitter be connected；
Controlled tr tube S1Emitter respectively with inductance LrOne end, controlled tr tube S2Collector be connected；Controllably open
Close pipe S3Emitter respectively with transformer T primary side one end, controlled tr tube S4Collector be connected, inductance LrThe other end point
Not with diode DC1Cathode, diode DC2Anode, transformer T primary side the other end be connected；
The one end on transformer T pair side respectively with controlled tr tube S1aCollector, controlled tr tube S3aCollector, can
Control switching tube S5aCollector be connected, the other end on transformer T pair side respectively with controlled tr tube S1bCollector, controllably open
Close pipe S3bCollector, controlled tr tube S5bCollector be connected；Controlled tr tube S1aEmitter and controlled tr tube S4b's
Emitter is connected, controlled tr tube S3aEmitter and controlled tr tube S6bEmitter be connected, controlled tr tube S5aTransmitting
Pole and controlled tr tube S2bEmitter be connected；Controlled tr tube S1bEmitter and controlled tr tube S4aEmitter be connected,
Controlled tr tube S3bEmitter and controlled tr tube S6aEmitter be connected, controlled tr tube S5bEmitter with controllably open
Close pipe S2aEmitter be connected；
Controlled tr tube S4aCollector and controlled tr tube S4bCollector be connected after with the first inductance Lf1One end phase
Even, the first inductance Lf1The other end and first capacitor Cf1One end, load R1One end is connected, and loads R1The other end respectively with load R2、
Load R3It is connected；First capacitor Cf1The other end respectively with the second capacitor Cf2, third capacitor Cf3, load R1, load R2, load R3Phase
Even；
Controlled tr tube S6aCollector and controlled tr tube S6bCollector be connected after with the second inductance Lf2One end phase
Even, the second inductance Lf2The other end and the second capacitor Cf2, load R2One end is connected, and loads R2The other end respectively with load R1, load R3
It is connected；Second capacitor Cf2The other end respectively with first capacitor Cf1, third capacitor Cf3, load R1, load R2, load R3It is connected；
Controlled tr tube S2aCollector and controlled tr tube S2bCollector be connected after and third inductance Lf3One end phase
Even, third inductance Lf3The other end and third capacitor Cf3, load R3One end is connected, and loads R3The other end respectively with load R1, load R2
It is connected；Third capacitor Cf3The other end respectively with first capacitor Cf1, the second capacitor Cf2, load R1, load R2, load R3It is connected.
The utility model compared with prior art, has the advantages that
The application of the resonant inductance of the utility model makes transformer primary side power switch tube realize zero voltage switch, introduces two
Clamp diode can inhibit the voltage oscillation and due to voltage spikes of transformer secondary switching tube, reduce in this way because interrupting transformation
The very high due to voltage spikes that the circulation path of device leakage inductance and filter inductance electric current can generate at switching tube both ends, and inhibit because becoming
Series resonance occurs for depressor leakage inductance and the parasitic capacitance of switching tube so that the loss of switch reduces, improve circuit reliability and
Efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the utility model inverter circuit topology structural schematic diagram；
Fig. 2 is inverter working condition principle waveform diagram in one high frequency period of the utility model；
Fig. 3 is that transformer secondary matrix converter unhitches coupling schematic diagram in voltage-type；
Fig. 4 (a)-Fig. 4 (l) is one high frequency period of the utility model prime phase shift type three-phase high frequency chain matrix inverter
Interior mode circuit diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.
As shown in Figure 1, the inverter topology of the utility model includes full-bridge inverter, transformer T, matrixing
Device, LC mode filter, each component are sequentially connected composition；
Full-bridge inverter is by DC input voitage Ui, controlled tr tube S1, controlled tr tube S2, controlled tr tube S3, it is controllable
Switching tube S4, diode DC2, diode DC2, inductance LrComposition；
Matrix converter is by controlled tr tube S1a, controlled tr tube S4b, controlled tr tube S4a, controlled tr tube S1b, it is controllable
Switching tube S3a, controlled tr tube S6b, controlled tr tube S6a, controlled tr tube S3b, controlled tr tube S5a, controlled tr tube S2b、
Controlled tr tube S2a, controlled tr tube S5bComposition；
LC mode filter is by the first inductance Lf1, the second inductance Lf2, third inductance Lf3, first capacitor Cf1, the second capacitor Cf2、
Third capacitor Cf3, load R1, load R2, load R3Composition；
DC input voitage UiAnode respectively with controlled tr tube S1Collector, diode DC1It is positive, controllably open
Close pipe S3Collector be connected, DC input voitage UiCathode respectively with controlled tr tube S2Emitter, diode DC2It is negative
Pole, controlled tr tube S4Emitter be connected；
Controlled tr tube S1Emitter respectively with inductance LrOne end, controlled tr tube S2Collector be connected；Controllably open
Close pipe S3Emitter respectively with transformer T primary side one end, controlled tr tube S4Collector be connected；Inductance LrThe other end with
Diode DC1Cathode, diode DC2Anode, transformer T primary side one end be connected；
The one end on transformer T pair side respectively with controlled tr tube S1aCollector, controlled tr tube S3aCollector, can
Control switching tube S5aCollector be connected, the other end on transformer T pair side respectively with controlled tr tube S1bCollector, controllably open
Close pipe S3bCollector, controlled tr tube S5bCollector be connected；Controlled tr tube S1aEmitter and controlled tr tube S4b's
Emitter is connected, controlled tr tube S3aEmitter and controlled tr tube S6bEmitter be connected, controlled tr tube S5aTransmitting
Pole and controlled tr tube S2bEmitter be connected；Controlled tr tube S1bEmitter and controlled tr tube S4aEmitter be connected,
Controlled tr tube S3bEmitter and controlled tr tube S6aEmitter be connected, controlled tr tube S5bEmitter with controllably open
Close pipe S2aEmitter be connected；
Controlled tr tube S4aCollector and controlled tr tube S4bCollector be connected after respectively with the first inductance Lf1One end
It is connected, the first inductance Lf1The other end and first capacitor Cf1One end, load R1One end is connected, and loads R1The other end respectively with load
R2, load R3It is connected；First capacitor Cf1The other end respectively with the second capacitor Cf2, third capacitor Cf3, load R1, load R2, load R3
It is connected；
Controlled tr tube S6aCollector and controlled tr tube S6bCollector be connected after respectively with the second inductance Lf2One end
It is connected, the second inductance Lf2The other end and the second capacitor Cf2, load R2One end is connected；Load R2The other end respectively with load R1, it is negative
Carry R3It is connected；Second capacitor Cf2The other end respectively with first capacitor Cf1, third capacitor Cf3, load R1, load R2, load R3Phase
Even；
Controlled tr tube S2aCollector and controlled tr tube S2bCollector be connected after respectively with third inductance Lf3One end
It is connected, third inductance Lf3The other end and third capacitor Cf3, load R3One end is connected, and loads R3The other end respectively with load R1, it is negative
Carry R2It is connected；Third capacitor Cf3The other end respectively with first capacitor Cf1, the second capacitor Cf2, load R1, load R2, load R3Phase
Even.
The utility model transformer preceding stage high frequency inverter adds clamp diode and resonant inductance, using certain duty ratio
PWM control method makes preceding and inverter right bridge arm driving signal S4(S3) relative to left bridge arm driving signal S1(S2) there is shifting
Phase angle theta.The matrix converter of transformer rear class is unhitched the modulator approach that coupling combines using PWM with voltage-type, and transformer is defeated
High-frequency ac current out is converted into power current.
The utility model utilizes the modulator approach of above-mentioned phase shift type three-phase high frequency chain matrix inverter topological structure modulation,
It include: that phase shift type matrix inverter is controlled using the PWM of change in duty cycle, the controlled tr tube S1, controlled tr tube S4Group
At bridge arm and controlled tr tube S2, controlled tr tube S3The bridge arm alternate conduction of composition；Series resonance inductor realizes switching tube
Zero voltage switch；The voltage of the primary side of transformer T and two clamp diode connected ends is clamped diode clamp in 0 and UiIt
Between；The matrix converter of transformer T rear class is equivalent to two groups of common voltage source inverters and carries out coupling control of unhitching, according to voltage
Type unhitches coupling logic modulation circuit to controlled tr tube S1a~controlled tr tube S6a, controlled tr tube S1b~controlled tr tube S6b
It is controlled, the high-frequency resonant electric current that transformer T is exported converts low frequency pulsating electric current.
The angle θ of the uni-polarity phase-shifted control of duty ratio be it is continually changing, modulation degree be m in the case where, wherein o < m <
1, variation range is 2 (1-m) 180 ° of 180 ° of < θ <；In a switch periods TsIn time, switching tube S1With S4、S2With S3Be total to
Same turn-on time are as follows: Tcom=Ts(180°-θ)/360°。
The matrix converter of transformer T rear class is unhitched coupling control using voltage-type, and matrix converter switching tube is resolved into
Positive and negative two groups, i.e. controlled tr tube S1a∽S6aWith controlled tr tube S1b∽S6b, negative group of switching tube is whole when positive group switching tube works
Conducting, and bear and all turned on for positive group when group switching tube works, rear class matrix converter is equivalent at two groups of common voltage type inverters.
Fig. 2 is working condition principle waveform diagram in one high frequency period of the utility model.S in figure1、S4And S2、S3For transformation
The driving signal of device preceding stage high frequency inverter power pipe, S1a∽S6a、S1b∽S6bFor transformer rear class matrix converter power tube
Driving signal.ipThe current waveform of transformer primary side, iDC1、iDC2To flow through diode DC1、DC2Electric current.It can be seen by Fig. 2
Out, the duty ratio of prime driving signal of power switching tube is variation；Simultaneously it can be seen that in the topology a cycle, diode
DC1、DC2Each conducting is primary, and the voltage of clamper transformer primary side, transformer primary side input voltage is zero, provides switching tube for rear class
Positive and negative group of switching moment can avoid the due to voltage spikes raw because of transformer leakage miscarriage.
Fig. 3 is the circuit decoupling principle figure of transformer rear class matrix converter.The modulator approach keeps matrix converter equivalent
Resolve into two common voltage source inverters.When transformer imput current is timing, the positive S for organizing inverter1a、S2a、S3a、S4a、
S5a、S6aIn three-phase modulations state, group inverter S is born1b、S2b、S3b、S4b、S5b、S6bIt is in the conductive state；Transformer input electricity
When stream signal is negative, group inverter S is born1b、S2b、S3b、S4b、S5b、S6bThree-phase modulations state, the positive S for organizing inverter1a、S2a、S3a、
S4a、S5a、S6aIt is in the conductive state.
Fig. 4 is the mode circuit in one high frequency period of the utility model phase shift type three-phase high frequency chain matrix inverter
Figure, wherein the utility model is in circuit with the circuit structure of high frequency transformer replacement Industrial Frequency Transformer using High Frequency Link.Fig. 4
(a) ∽ Fig. 4 (l) is respectively following 1 ∽ 12 of operation mode.It is assumed that all components in topology are ideal component, according to
Working principle, there are 12 working conditions in a high frequency period, specific model analysis is as follows:
(1) 1 [t of operation mode0-t1], t0S before moment1、S4It is in the conductive state, ipThrough S1、S4Circulation starts backward
Grade transmits energy, inverter work is just being organized in matrix converter, switching tube is on state, filtered electrical in negative group inverter
Inducing current iLfStart linear rise.
(2) 2 [t of operation mode1-t2], t1Moment switching tube S1Triggering turns off, in order to prevent bridge arm direct pass, switching tube S2's
Dead zone appropriate should be added in trigger signal.Primary current ipTo C1Charging, while giving C2Electric discharge.Due to transformer primary in this stage
Secondary voltage is zero, therefore switching tube S1Zero voltage turn-off can be achieved.Due to primary current clamping action, output inductor
Electric current iLfThe state of a mode is still kept, linear decline, b phase capacitor charging in filter network are started, a, c phase capacitor discharge,
The switching tube of matrix converter all turns at this time.
(3) 3 [t of operation mode2-t3], t2Moment capacitor C1、C2Charge and discharge terminate, ipThrough D2、S4Circulation, the triggering of this stage are opened
Close pipe S2It opens, it can be achieved that no-voltage is open-minded.Transformer primary secondary voltage is zero in this stage, the switching tube of matrix converter
It all turns on, output inductor electric current iLfStill in freewheeling state on last stage, b, c phase capacitor charging in filter network, a
The electric discharge of phase capacitor.
(4) 4 [t of operation mode3-t4], t3Moment switching tube S4Triggering shutdown, primary current ipTo C4Charging, while giving C3
Electric discharge, switching tube S4Zero voltage turn-off can be achieved.This stage matrix converter switches pipe S4b、S5b、S6bIt closes, output filtering net
Network remains the state of a mode.
(5) 5 [t of operation mode4-t5], t4Moment capacitor C4、C3Charge and discharge terminate, power tube S in this stage3Realize zero electricity
Logical, transformer leakage inductance and rear class switching tube parasitic capacitance generation resonance are pressed off, while transformer both end voltage is-Ui, therefore B point
Voltage is zero, makes clamp diode DC2Conducting, by UBCClamper is in-Ui.Due to t4Moment transformer secondary voltage is zero, and input is straight
Galvanic electricity pressure is all reversely added on Lr, and ir and ip are dropped rapidly to zero, and reversely increase.Due to the effect of resonant inductance, transformation
Device both end voltage reverse linear rises.Output filter network remains the state of a mode.
(6) 6 [t of operation mode5-t6], in this stage, primary side gives secondary side to provide energy, ipEqual to ir, filter inductance electric current
iLfLinear rise, output filter network remain the state of a mode.
(7) 7 [t of operation mode6-t7], t6Moment, switching tube S1bShutdown, S4bIt is connected, a, b phase capacitor fill in filter network
Electricity, the electric discharge of c phase capacitor.
(8) 8 [t of operation mode7-t8], t7Moment switching tube S2Triggering shutdown, primary current ipTo C2Charging, while giving C1
Electric discharge, switching tube S2Zero voltage turn-off can be achieved, transformer primary secondary voltage is zero in this stage, the switch of matrix converter
Pipe all turns on, output inductor electric current iLfStill in circulation status on last stage, b phase capacitor charging in filter network,
A, c phase capacitor discharges.
(9) 9 [t of operation mode8-t9], t8Moment capacitor C2、C1Charge and discharge terminate, ipThrough D1、S3Circulation, this stage internal trigger
Power tube S1It opens, it can be achieved that its no-voltage is open-minded.The voltage at transformer both ends is zero in this stage, the switch of matrix converter
Pipe all turns on, output inductor electric current iLfStill in freewheeling state on last stage, b, c phase capacitor fill in filter network
Electricity, the electric discharge of a phase capacitor.
(10) 10 [t of operation mode9-t10], t9Moment switching tube S3Triggering shutdown, primary current ipTo C3Charging, gives simultaneously
C4Electric discharge, switching tube S3Zero voltage turn-off can be achieved.Transformer primary secondary voltage is zero in this stage, and output filter network is protected
Hold the state of a mode.
(11) 11 [t of operation mode10-t11], t10Moment, capacitor C3、C4Charge and discharge terminate, power tube S in this stage4It realizes
No-voltage is open-minded, while transformer both end voltage is Ui, B point voltage is Ui, make clamp diode DC1Conducting, by UBCClamper exists
Ui。ipAfter being dropped rapidly to zero, forward direction increases sharply, matrix converter switching tube S4a、S5a、S6aIt closes.B, c phase in filter network
Capacitor charging, the electric discharge of a phase capacitor.
(12) 12 [t of operation mode11-t12], t11Moment, clamp diode DC1It closes, output filter network remains one
The state of mode, circuit enter next cycle.
Using coupling unipolarity phase shift modulation method of unhitching plus clamp diode three it can be seen from the above course of work
The zero voltage switch of switching tube in topology may be implemented in phase high-frequency chain inverter, and greatly reduces by transformer leakage inductance and open
Close voltage oscillation caused by pipe parasitic capacitance.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (1)
1. a kind of phase shift type three-phase high frequency chain matrix inverter topological structure, which is characterized in that including full-bridge inverter, transformation
Device T, matrix converter, LC mode filter, each component are sequentially connected composition；
Wherein, the full-bridge inverter is by DC input voitage Ui, controlled tr tube S1, controlled tr tube S2, controlled tr tube S3、
Controlled tr tube S4, diode DC1, diode DC2, inductance LrComposition；
The matrix converter is by controlled tr tube S1a, controlled tr tube S4b, controlled tr tube S4a, controlled tr tube S1b, it is controllable
Switching tube S3a, controlled tr tube S6b, controlled tr tube S6a, controlled tr tube S3b, controlled tr tube S5a, controlled tr tube S2b、
Controlled tr tube S2a, controlled tr tube S5bComposition；
The LC mode filter is by the first inductance Lf1, the second inductance Lf2, third inductance Lf3, first capacitor Cf1, the second capacitor Cf2、
Third capacitor Cf3, load R1, load R2, load R3Composition；
The DC input voitage UiAnode respectively with controlled tr tube S1Collector, diode DC1Anode, controllable switch
Pipe S3Collector be connected, the DC input voitage UiCathode respectively with controlled tr tube S2Emitter, diode DC2's
Cathode, controlled tr tube S4Emitter be connected；
Controlled tr tube S1Emitter respectively with inductance LrOne end, controlled tr tube S2Collector be connected；Controlled tr tube
S3Emitter respectively with transformer T primary side one end, controlled tr tube S4Collector be connected, inductance LrThe other end respectively with
Diode DC1Cathode, diode DC2Anode, transformer T primary side the other end be connected；
The one end on transformer T pair side respectively with controlled tr tube S1aCollector, controlled tr tube S3aCollector, controllable switch
Pipe S5aCollector be connected, the other end on transformer T pair side respectively with controlled tr tube S1bCollector, controlled tr tube S3b
Collector, controlled tr tube S5bCollector be connected；Controlled tr tube S1aEmitter and controlled tr tube S4bEmitter
It is connected, controlled tr tube S3aEmitter and controlled tr tube S6bEmitter be connected, controlled tr tube S5aEmitter with can
Control switching tube S2bEmitter be connected；
Controlled tr tube S1bEmitter and controlled tr tube S4aEmitter be connected, controlled tr tube S3bEmitter with can
Control switching tube S6aEmitter be connected, controlled tr tube S5bEmitter and controlled tr tube S2aEmitter be connected；
Controlled tr tube S4aCollector and controlled tr tube S4bCollector be connected after with the first inductance Lf1One end is connected, the
One inductance Lf1The other end and first capacitor Cf1One end, load R1One end is connected, and loads R1The other end respectively with load R2, load R3
It is connected；First capacitor Cf1The other end respectively with the second capacitor Cf2, third capacitor Cf3, load R1, load R2, load R3It is connected；
Controlled tr tube S6aCollector and controlled tr tube S6bCollector be connected after with the second inductance Lf2One end is connected, the
Two inductance Lf2The other end and the second capacitor Cf2, load R2One end is connected, and loads R2The other end respectively with load R1, load R3It is connected；
Second capacitor Cf2The other end respectively with first capacitor Cf1, third capacitor Cf3, load R1, load R2, load R3It is connected；
Controlled tr tube S2aCollector and controlled tr tube S2bCollector be connected after and third inductance Lf3One end is connected, the
Three inductance Lf3The other end and third capacitor Cf3, load R3One end is connected, and loads R3The other end respectively with load R1, load R2It is connected；
Third capacitor Cf3The other end respectively with first capacitor Cf1, the second capacitor Cf2, load R1, load R2, load R3It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978263.XU CN208890679U (en) | 2018-11-28 | 2018-11-28 | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978263.XU CN208890679U (en) | 2018-11-28 | 2018-11-28 | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208890679U true CN208890679U (en) | 2019-05-21 |
Family
ID=66518658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821978263.XU Withdrawn - After Issue CN208890679U (en) | 2018-11-28 | 2018-11-28 | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208890679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412447A (en) * | 2018-11-28 | 2019-03-01 | 燕山大学 | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure and modulator approach |
-
2018
- 2018-11-28 CN CN201821978263.XU patent/CN208890679U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412447A (en) * | 2018-11-28 | 2019-03-01 | 燕山大学 | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure and modulator approach |
| CN109412447B (en) * | 2018-11-28 | 2023-08-22 | 燕山大学 | Phase-shifting three-phase high-frequency chain matrix inverter topological structure and modulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101702578B (en) | Forward-flyback isolated type boost inverter realized by coupling inductors and application thereof | |
| CN103051233B (en) | Non-isolated single-phase photovoltaic grid-connected inverter and on-off control timing sequence thereof | |
| CN110768549B (en) | Single-phase zero-voltage soft switching charger topology and modulation method thereof | |
| CN110504852B (en) | Single-phase soft switch charger topology with voltage decoupling function and modulation method thereof | |
| CN103001523B (en) | Zero-voltage switching energy storage bridge-type inverter without additional voltage and modulation method for inverter | |
| CN104242719B (en) | The full-bridge non-isolated grid-connected inverter of type without switching loss and switch control time sequence | |
| CN102185511B (en) | Noninsulated type converting circuit from direct-current voltage to alternating-current voltage | |
| CN103618449A (en) | Three-winding coupling inductance double tube boost converter with charge pump | |
| CN105048850B (en) | A kind of single-stage ZVS types push-pull type high frequency link DC/AC converters | |
| CN106655842A (en) | Novel unipolar frequency multiplication SPWM method for single-phase high frequency link matrix rectifier | |
| CN108631604B (en) | Environment-friendly double-transformer type zero-current resonance three-level direct current converter | |
| CN109067226A (en) | Five lever boosting type inverters of one kind and its control method | |
| CN105356759A (en) | PWM control method for bidirectional full-bridge DC-DC converter | |
| CN102684530A (en) | Method for controlling transformerless inverter with reactive power compensation function | |
| CN202524315U (en) | DC/AC grid-connected inversion circuit | |
| CN203859684U (en) | Large-current half-bridge circuit | |
| CN104242716B (en) | High-reliability non-switching-loss type non-isolated inverter and switching control time sequence thereof | |
| CN102983767B (en) | Low auxiliary voltage zero voltage switch Stockbridge vibration inverter and modulator approach | |
| CN208890679U (en) | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure | |
| CN110212770A (en) | Soft switch back exciting converter | |
| CN103546038B (en) | A kind of soft switching full-bridge direct-current converter suppressing secondary-side voltage oscillation | |
| CN113630032B (en) | Soft switching three-phase current type high-frequency chain matrix inverter topology and modulation method | |
| CN109412447A (en) | A kind of phase shift type three-phase high frequency chain matrix inverter topological structure and modulator approach | |
| CN102843054A (en) | Single-phase five-level inverter | |
| CN208257666U (en) | A kind of three switch push-pulls input High Frequency Link single-stage inverter circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190521 Effective date of abandoning: 20230822 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190521 Effective date of abandoning: 20230822 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |