CN104734547B - A kind of boosting unit Z-source inverter - Google Patents
A kind of boosting unit Z-source inverter Download PDFInfo
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Abstract
The invention discloses a kind of boosting unit Z-source inverter, provided with a boosting unit in the Z source structures, the boosting unit includes coupling inductance, the 3rd electric capacity and the second power diode, wherein coupling inductance includes the first winding and the second winding of positive series connection, the different name end of first winding is connected with one end of the 3rd electric capacity and the second power diode anode, the Same Name of Ends of second winding is connected with the other end of the 3rd electric capacity, and the different name end of the second winding is connected with the second power diode negative electrode.For more traditional quasi- Z-source inverter, input voltage range is wider, and conversion efficiency is higher, when low pressure is inputted with higher boosting characteristic.
Description
Technical field
The present invention relates to boosting unit Z-source inverter, belong to converters field.
Background technology
Inverter is widely used in motor driving, and uninterruption power source and has static state reactive generator and compensator
The occasions such as source filtering.Traditional inverter circuit is generally two-stage type structure, and prime is straight booster converter, and rear class is inversion
Direct-current chain needs to add decoupling capacitor in device, two-stage type structure, and volume weight is big, while needing to control front and back stages respectively
System, causes conventional inverter structure complicated integral structure, controls cumbersome.
In order to solve the problem above of conventional inverter, there is scholar to propose the concept of Z-source inverter.Z-source inverter is
A kind of single-stage buck-boost inverter, DC source is coupled together by it by introducing Z source networks with inverter side, utilizes bridge arm direct pass
To realize boosting, its wide input voltage range, reliability is high.But, Z-source inverter haves the shortcomings that certain：Boost capability one
As, in the relatively low occasion of some input voltages, it is necessary to which higher straight-through dutycycle, adds the conduction loss of system, reduce
Efficiency, therefore, Z-source inverter apply the occasion inputted in low-voltage to be still restricted.
Therefore, limited for Z-source inverter boost capability, the shortcomings of efficiency has much room for improvement lifts such inverter performance,
Have great importance.
The content of the invention
It is an object of the invention to provide the boosting unit Z that a kind of turn ratio is small, input voltage range is wider, boosting characteristic is good
Source inventer, the problem of solving using high frequency transformer boosting volume, weight, big loss.
The present invention uses following technical scheme to solve above-mentioned technical problem：
It is provided with a kind of boosting unit Z-source inverter, including the Z source structures and inverter bridge being sequentially connected, the Z source structures
One boosting unit, the boosting unit includes coupling inductance, the 3rd electric capacity and the second power diode, wherein coupling inductance
Include the first winding and the second winding of forward direction series connection, the different name end of the first winding and one end of the 3rd electric capacity and the second power two
Pole pipe anode is connected, and the Same Name of Ends of the second winding is connected with the other end of the 3rd electric capacity, different name end and the second work(of the second winding
Rate diode cathode is connected.
Further, the Z source structures also include direct voltage source, the first inductance, the first electric capacity, the second electric capacity and the
One power diode；Wherein,
One end of first inductance is connected with direct voltage source positive pole, the other end and the anode of the first power diode and second
One end connection of electric capacity；The Same Name of Ends of first winding and the first electric capacity in the negative electrode and boosting unit of first power diode
One end is connected, and the other end of the first electric capacity is connected with direct voltage source negative pole, inverter bridge input cathode, the second electric capacity it is another
The different name end of second winding and the connection of inverter bridge input anode in end and boosting unit.
Further, the Z source structures also include direct voltage source, the first inductance, the first electric capacity, the second electric capacity and the
One power diode；Wherein,
One end of one end of first inductance and the first electric capacity, inverter bridge input cathode are connected, the other end of the first inductance
It is connected with the anode of the first power diode and one end of the second electric capacity；In the negative electrode and boosting unit of first power diode
The different name end of the second winding and the second electric capacity are another in the other end connection of the Same Name of Ends of one winding and the first electric capacity, boosting unit
One end connection is connected with direct voltage source negative pole, and direct voltage source positive pole is connected to inverter bridge input anode.
Further, the Z source structures also include direct voltage source, the first inductance, the first electric capacity, the second electric capacity and the
One power diode；Wherein,
One end of one end of first inductance and the first electric capacity, inverter bridge input cathode are connected, the other end of the first inductance
It is connected with the negative pole of direct voltage source and one end of the second electric capacity, the positive pole of direct voltage source and the first power diode anode connect
Connect, the other end connection of the Same Name of Ends of the first winding and the first electric capacity in the negative electrode and boosting unit of the first power diode,
The different name end of the second winding is connected with the second electric capacity other end and inverter bridge input anode in boosting unit.
Further, the inverter bridge includes first, second power switch pipe of being connected on three bridge arms, the first bridge arm, the
The five, the 6th power switch pipes of series connection on the three, the 4th power switch pipes of series connection, the 3rd bridge arm on two bridge arms；Wherein, first,
The drain electrode of three, the 5th power switch pipes is connected to inverter bridge input anode, the source of second, the four, the 6th power switch pipes
Pole is connected to inverter bridge input cathode.
Managed as a preferred embodiment, the power switch pipe is metal-oxide-semiconductor or IGBT.
The present invention uses above-mentioned technical proposal, has the advantages that：The boosting unit Z-source inverter is single-stage liter
For buck converter, more traditional Z-source inverter, input voltage range is wider, and conversion efficiency is higher, has when low pressure is inputted
There is higher boosting characteristic.
The first structure has the advantage that boosting unit is located between the first electric capacity and the second electric capacity, work of boosting
When, DC-link voltage is by two capacitor voltage clampeds, and the due to voltage spikes brought by coupling inductance leakage inductance will not increase direct-current chain power
Stresses of parts；In addition, direct voltage source is connected with the first inductance, input current is in continuous (CCM) pattern, direct current can be extended
Voltage source service life.
Second structure has the advantage that direct voltage source is located between boosting unit and inverter bridge, it is to avoid boosting
Unit Z-source inverter starts the big shortcoming of impact, and the first capacitance voltage stress is reduced in addition.
The third structure, which has the advantage that, reduces the first capacitance voltage stress, can use the lower element of stress,
Reduce loss, improve efficiency.
Brief description of the drawings
Fig. 1 is a kind of circuit structure diagram of boosting unit Z-source inverter；
Fig. 2 is the operation mode figure for the boosting unit Z-source inverter that Fig. 1 is shown；
Fig. 3 is the operation mode figure for the boosting unit Z-source inverter that Fig. 1 is shown；
Fig. 4 is the operation mode figure for the boosting unit Z-source inverter that Fig. 1 is shown；
Fig. 5 is the simulation waveform for the boosting unit Z-source inverter that Fig. 1 is shown；
Fig. 6 is the simulation waveform for the boosting unit Z-source inverter that Fig. 1 is shown；
Fig. 7 is the simulation waveform for the boosting unit Z-source inverter that Fig. 1 is shown；
Fig. 8 is a kind of circuit structure diagram of boosting unit Z-source inverter；
Fig. 9 is a kind of circuit structure diagram of boosting unit Z-source inverter；
Label declaration in figure：Vdc- direct voltage source；Vc1- the first capacitance voltage, Vc2- the second capacitance voltage, Vo- output is handed over
Flow voltage, Vpn- DC-link voltage, iin- the first inductance L1 electric currents, VCVL- the three electric capacity CVLVoltage, VL3- coupling inductance second around
Group voltage.
Embodiment
The present invention provides a kind of boosting unit Z-source inverter, and to make the purpose of the present invention, technical scheme and effect are more clear
Chu, clearly, and referring to the drawings and gives an actual example that the present invention is described in more detail.It should be appreciated that described herein specific
Implement only to explain the present invention, be not intended to limit the present invention.
Embodiment 1
A kind of boosting unit Z-source inverter as described in Figure 1 includes Z source structures, boosting unit and inverter bridge, boosting unit
Z-source inverter input termination direct voltage source, output end connection filter inductance and filter capacitor.In the present embodiment, by conventional Z
The second inductance in source structure is replaced with boosting unit.
Specifically, the Z source structures that the present embodiment is provided include：Direct voltage source Vdc, the first inductance L1, boosting unit,
First electric capacity C1, the second electric capacity C2And the first power diode Din；Wherein：First inductance L1One end and direct voltage source just
Pole is connected, the first inductance L1The other end and the first power diode DinAnode and the second electric capacity C2One end connection；First
Power diode DinNegative electrode and boosting unit one end and the first electric capacity C1One end connection, the first electric capacity C1The other end with
Direct voltage source VdcNegative pole and the connection of inverter bridge input cathode, the second electric capacity C2The other end and boosting unit the other end and
Inverter bridge input anode is connected.
Above-mentioned boosting unit, including：Coupling inductance, the 3rd electric capacity CVL, the second power diode D2；The coupling inductance bag
Include the first winding L3, the second winding L4.First winding L3 Same Name of Ends and the first power diode DinNegative electrode, the first electric capacity C1
One end connection, the first winding L3 different name end and the 3rd electric capacity CVLOne end and the second power diode D2Anode is connected；The
Three electric capacity CVLThe other end be connected with the second winding L4 Same Name of Ends, the second power diode D2Negative electrode and the second winding L4 it is different
Name end, the second electric capacity C2The other end and inverter bridge input anode connection.
The inverter bridge structure used in the present embodiment includes：First bridge arm, the second bridge arm, the 3rd bridge arm；Wherein, the first bridge
Arm includes the power switch tube S of series connection1And S2, the second bridge arm include series connection power switch tube S3And S4, the 3rd bridge arm is including going here and there
The power switch tube S of connection5And S6；Wherein, the drain electrode of first, the three, the 5th power switch pipes is connected to inverter bridge input and rectified
Pole, the source electrode of second, the four, the 6th power switch pipes is connected to inverter bridge input cathode；Inverter bridge input anode and coupling
Close the second winding of inductance L4Different name end, the second power diode D2Negative electrode and the second electric capacity C2It is connected, the first bridge arm, the second bridge arm,
The other end of 3rd bridge arm and direct voltage source VdcNegative pole, the first electric capacity C1Connection.
First bridge arm, the second bridge arm, the bridge arm midpoint of the 3rd bridge arm are inverter output end, filter inductance and filter capacitor
Connected with output end, load is attempted by filter capacitor.
Coupling inductance can be equivalent to leakage inductance Llk and ideal transformer series model, wherein, magnetizing inductance is Lm, and ideal becomes
The depressor primary side secondary turn ratio is n2 and n3.
(A):Non- pass-through state 1
Non- pass-through state, power diode DinConducting, D2Shut-off, coupling inductance primary side L2, secondary L3With boost capacitor CVL
Series connection is powered for direct-current chain jointly, inductive current iL3It is linear to reduce.t0Switching tube is opened simultaneously above and below moment, the same bridge arm of inverter bridge
Logical, Z-source inverter works in bridge arm direct pass state, power diode DinShut-off, diode D2It is open-minded, leakage inductance electric current iLlkLinearly
Increase, coupling inductance secondary passes through diode D2To electric capacity CVLCharging, this state duration is DshTS, operation mode figure is as schemed
Shown in 2.
Coupling inductance secondary N3Meet,
vCVL=vN3_sh
According to the turn ratio n and v of coupling inductanceC1Expression formula, leakage inductance L can be releasedlkVoltage meet
(B):Non- pass-through state 1
t1During the moment, inverter bridge side enters effective vector state, inverter bridge can be equivalent to a current source, now two pole
Pipe DinConducting, due to the presence of leakage inductance, flows through coupling inductance primary current iL2It is gradually reduced (CVLCapacitance is larger, ignores due to anti-
To the concussion process caused), the electric current i of diodeD2Linear to reduce, diode is turned off after being reduced to zero, defines this stage
For non-pass-through state 1, operation mode figure is as shown in Figure 3.If the non-duration of pass-through state 1 is Dnsh1Ts, capacitance voltage vC1, vC2
And direct-current chain crest voltage vpnMeet following relation
vC1+vC2=vpn
Leakage inductance LlkThe voltage at two ends is met
(C):Non- pass-through state 2
When coupling inductance primary current is reduced to it is equal in magnitude in secondary current when, diode D2Shut-off, now, coupling electricity
Feel primary side, secondary series connection (now coupling inductance is worked with single inductive mode), powered jointly for direct-current chain, equivalent circuit diagram is as schemed
Shown in 4, then can release now DC-link voltage expression formula is
It is more than simultaneous various according to inductance voltage-second balance, direct-current chain crest voltage v can be releasedpnIn input average current
iin, lead directly to dutycycle Dsh, leakage inductance LlkExpression formula with turn ratio n is
The boosting unit Z-source inverter provided using the present embodiment carries out emulation experiment, obtains following result：When input electricity
Press Vdc=50V, leads directly to dutycycle Dsh=0.18, when the second winding and the first winding turns ratio are 1.2, load R=50 Ω emulation
Waveform is as shown in Figure 5, Figure 6；It can be seen that during using less straight-through dutycycle, higher direct-current chain peak can be obtained
Threshold voltage, voltage gain is higher.The turn ratio sets higher, and gain is higher.
As input voltage Vdc=200V, leads directly to dutycycle Dsh=0, the second winding and the first winding turns ratio are 1.2, load R
Simulation waveform during=50 Ω is as shown in Figure 7.Now, the quasi- Z source circuits of voltage lifting are not boosted, circuit operation principle with it is common
Voltage source inverter is similar, works in decompression state.
It can be seen that, boosting unit Z-source inverter of the present invention, wide input voltage range, more traditional quasi- Z-source inverter and
Speech, high conversion efficiency, when low pressure is inputted with higher boosting characteristic.
Embodiment 2
Boosting unit Z-source inverter as shown in Figure 8, the another embodiment provided for the present invention, it includes Z sources knot
Structure, boosting unit and inverter bridge.The Z source structures include two groups of electric capacity, two groups of inductance, boosting units and are connected across two groups
One power diode at inductance capacitance midpoint.Above-mentioned boosting unit includes coupling inductance, electric capacity and power diode.It is described
Coupling inductance includes the first winding, the second winding, by setting the turn ratio of the second winding and the first winding to determine that output voltage increases
Benefit.In the present embodiment, the second inductance in conventional Z source structures is replaced with boosting unit.
Specifically, the Z source structures that the present embodiment is provided include：Direct voltage source Vdc, the first inductance L1, boosting unit,
First electric capacity C1, the second electric capacity C2And the first power diode Din；Wherein：First inductance L1One end and the first electric capacity C1's
One end, the connection of inverter bridge input cathode, the first inductance L1The other end and the first power diode DinAnode and second electricity
Hold C2One end connection；First power diode DinNegative electrode and boosting unit one end and the first electric capacity C1The other end connect
Connect, the other end of boosting unit is connected and the connection of inverter bridge input anode with the second electric capacity other end.
Above-mentioned boosting unit includes：Coupling inductance, the 3rd electric capacity CVL, the second power diode D2；The coupling inductance bag
Include the first winding L3, the second winding L4.First winding L3 Same Name of Ends and the first power diode DinNegative electrode, the first electric capacity C1
One end connection, the first winding L3 different name end and the 3rd electric capacity CVLOne end and the second power diode D2Anode is connected, the
Three electric capacity CVLThe other end be connected with the second winding L4 Same Name of Ends, the second power diode D2Negative electrode and the second winding L4 it is different
Name end, the second electric capacity C2The other end and direct voltage source VdcNegative pole is connected, direct voltage source VdcPositive pole and inverter bridge input
Positive pole is connected.
Inverter bridge includes：First bridge arm, the second bridge arm, the 3rd bridge arm；Wherein, the first bridge arm includes the power switch of series connection
Pipe S1And S2, the second bridge arm include series connection power switch tube S3And S4, the 3rd bridge arm include series connection power switch tube S5And S6,
Pipe S on first, second, third bridge arm1, S3, S5Anode be inverter bridge input anode, with direct voltage source VdcPositive pole
It is connected, pipe S on first, second, third bridge arm2, S4, S6Negative electrode be inverter bridge input cathode, with the first inductance L1One
End, the first electric capacity C1One end is connected.
First bridge arm, the second bridge arm, the bridge arm midpoint of the 3rd bridge arm are inverter output end, filter inductance and filter capacitor
Connected with output end, load is attempted by filter capacitor.
Embodiment 3
Boosting unit Z-source inverter as shown in Figure 9, including Z source structures, boosting unit and inverter bridge.The Z source structures
Including two groups of electric capacity, two groups of inductance, boosting units and be connected across two groups of inductance capacitance midpoints direct voltage source and one
Power diode.The boosting unit includes coupling inductance and electric capacity and power diode, and coupling inductance includes the first winding,
Second winding, by setting the turn ratio of the second winding and the first winding to determine output voltage gain.
Specifically, the Z source structures that the present embodiment is provided include：Direct voltage source Vdc, the first inductance L1, the second inductance
L2, the first electric capacity C1, the second electric capacity C2And the first power diode Din；Wherein：First inductance L1One end and the first electric capacity C1
One end, inverter bridge negative terminal connection, the first inductance L1The other end and direct voltage source VdcNegative pole and the second electric capacity C2One
End connection；Direct voltage source VdcPositive pole and the first power diode DinAnode is connected, the first power diode DinNegative electrode with
One end of boosting unit and the first electric capacity C1Other end connection, the other end of boosting unit and the second electric capacity other end and
Inverter bridge anode is connected.
Above-mentioned boosting unit includes：Coupling inductance, the 3rd electric capacity CVL, the second power diode D2；The coupling inductance bag
Include the first winding L3, the second winding L4.The Same Name of Ends and the first power diode D of the first winding L3inNegative electrode, the first electric capacity
C1One end connection, the first winding L3 different name end and the 3rd electric capacity CVLOne end, the second power diode D2Anode is connected, the
Three electric capacity CVLThe other end be connected with the second winding L4 Same Name of Ends, the second winding L4 different names end connect the second power diode D2's
Negative electrode, the second electric capacity C2The other end and inverter bridge input anode connection.
Inverter bridge includes：First bridge arm, the second bridge arm, the 3rd bridge arm；Wherein, the first bridge arm includes the power switch of series connection
Pipe S1And S2, the second bridge arm include series connection power switch tube S3And S4, the 3rd bridge arm include series connection power switch tube S5And S6,
Pipe S on first, second, third bridge arm1, S3, S5Anode be inverter bridge anode, with the second winding L4 different name end and
The second electric capacity C2 other ends are connected, pipe S on first, second, third bridge arm2, S4, S6Negative electrode be inverter bridge negative terminal, with
First inductance L1One end, the first electric capacity C1One end is connected.
First bridge arm, the second bridge arm, the bridge arm midpoint of the 3rd bridge arm are inverter output end, filter inductance and filter capacitor
Connected with output end, load is attempted by filter capacitor.
The analysis process and method of example 2 and example 3 are with reference to example 1.It is understood that to ordinary skill people
For member, equivalent substitution or change can be subject to technique according to the invention scheme and its inventive concept, and all these changed
Or replacement should all belong to the protection domain of appended claims of the invention.
Claims (5)
1. a kind of boosting unit Z-source inverter, including the Z source structures and inverter bridge being sequentially connected, it is characterised in that：The Z sources
Provided with a boosting unit in structure, the boosting unit includes coupling inductance, boosting unit electric capacity and the pole of boosting unit two
Pipe, wherein coupling inductance include the first winding and the second winding of positive series connection, different name end and the boosting unit electricity of the first winding
One end of appearance and the connection of boosting unit diode anode, the Same Name of Ends of the second winding are connected with the other end of boosting unit electric capacity,
The different name end of second winding is connected with boosting unit diode cathode；
The Z source structures also include direct voltage source, the first inductance, the first electric capacity, the second electric capacity and the first power diode；
Wherein,
One end of first inductance is connected with direct voltage source positive pole, the anode and the second electric capacity of the other end and the first power diode
One end connection；One end of the Same Name of Ends of first winding and the first electric capacity in the negative electrode and boosting unit of first power diode
Connection, the other end of the first electric capacity is connected with direct voltage source negative pole, inverter bridge input cathode, the other end of the second electric capacity and
The different name end of second winding and the connection of inverter bridge input anode in boosting unit.
2. a kind of boosting unit Z-source inverter, including the Z source structures and inverter bridge being sequentially connected, it is characterised in that：The Z sources
Provided with a boosting unit in structure, the boosting unit includes coupling inductance, boosting unit electric capacity and the pole of boosting unit two
Pipe, wherein coupling inductance include the first winding and the second winding of positive series connection, different name end and the boosting unit electricity of the first winding
One end of appearance and the connection of boosting unit diode anode, the Same Name of Ends of the second winding are connected with the other end of boosting unit electric capacity,
The different name end of second winding is connected with boosting unit diode cathode；
The Z source structures also include direct voltage source, the first inductance, the first electric capacity, the second electric capacity and the first power diode；
Wherein,
One end of one end of first inductance and the first electric capacity, inverter bridge input cathode are connected, the other end of the first inductance and
One end connection of the anode of one power diode and the second electric capacity；In the negative electrode and boosting unit of first power diode first around
The different name end of second winding and the second electric capacity other end in the other end connection of the Same Name of Ends and the first electric capacity of group, boosting unit
Connection is connected with direct voltage source negative pole, and direct voltage source positive pole is connected to inverter bridge input anode.
3. a kind of boosting unit Z-source inverter, including the Z source structures and inverter bridge being sequentially connected, it is characterised in that：The Z sources
Provided with a boosting unit in structure, the boosting unit includes coupling inductance, boosting unit electric capacity and the pole of boosting unit two
Pipe, wherein coupling inductance include the first winding and the second winding of positive series connection, different name end and the boosting unit electricity of the first winding
One end of appearance and the connection of boosting unit diode anode, the Same Name of Ends of the second winding are connected with the other end of boosting unit electric capacity,
The different name end of second winding is connected with boosting unit diode cathode；
The Z source structures also include direct voltage source, the first inductance, the first electric capacity, the second electric capacity and the first power diode；
Wherein,
One end of one end of first inductance and the first electric capacity, inverter bridge input cathode are connected, the other end of the first inductance with it is straight
One end connection of the negative pole and the second electric capacity of voltage source is flowed, the positive pole of direct voltage source is connected with the first power diode anode,
The other end connection of the Same Name of Ends of first winding and the first electric capacity, boosting in the negative electrode and boosting unit of first power diode
The different name end of the second winding is connected with the other end of inverter bridge input anode and the second electric capacity in unit.
4. a kind of boosting unit Z-source inverter according to claim 1 or 2 or 3, it is characterised in that：The inverter bridge bag
Include the three, the 4th power switch of series connection on first, second power switch pipe of being connected on three bridge arms, the first bridge arm, the second bridge arm
The five, the 6th power switch pipes of series connection on pipe, the 3rd bridge arm；Wherein, the drain electrode connection of first, the three, the 5th power switch pipes
To inverter bridge input anode, the source electrode of second, the four, the 6th power switch pipes is connected to inverter bridge input cathode.
5. a kind of boosting unit Z-source inverter according to claim 4, it is characterised in that：The power switch pipe is MOS
Pipe or IGBT pipes.
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| CN113922690B (en) * | 2021-08-16 | 2023-11-07 | 青岛理工大学 | Improved three-coupling inductance quasi-Z source boost inverter and control method |
| CN114900029B (en) * | 2022-05-09 | 2024-07-05 | 南京航空航天大学 | Single-phase single-stage coupling inductance type split source boost inverter and method thereof |
| CN115642799B (en) * | 2022-11-08 | 2023-06-02 | 东北电力大学 | High-gain coupling inductance Z-source direct-current boost converter and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200539553A (en) * | 2004-05-21 | 2005-12-01 | Wai Zheng Zhong | High step-up converter with coupled-inductor by way of bi-direction energy transmission |
| CN102223095A (en) * | 2011-06-21 | 2011-10-19 | 哈尔滨工业大学（威海） | High-gain Z-source inverter |
| CN102751896A (en) * | 2012-07-03 | 2012-10-24 | 哈尔滨工业大学（威海） | Through physical separation-type Z-source inverter with high booster multiple |
| CN103490628A (en) * | 2013-09-16 | 2014-01-01 | 华南理工大学 | Single-phase high-gain boost converter |
| CN103701342A (en) * | 2013-12-18 | 2014-04-02 | 东南大学 | Quasi-Z source inverter |
-
2015
- 2015-03-19 CN CN201510122716.3A patent/CN104734547B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200539553A (en) * | 2004-05-21 | 2005-12-01 | Wai Zheng Zhong | High step-up converter with coupled-inductor by way of bi-direction energy transmission |
| CN102223095A (en) * | 2011-06-21 | 2011-10-19 | 哈尔滨工业大学（威海） | High-gain Z-source inverter |
| CN102751896A (en) * | 2012-07-03 | 2012-10-24 | 哈尔滨工业大学（威海） | Through physical separation-type Z-source inverter with high booster multiple |
| CN103490628A (en) * | 2013-09-16 | 2014-01-01 | 华南理工大学 | Single-phase high-gain boost converter |
| CN103701342A (en) * | 2013-12-18 | 2014-04-02 | 东南大学 | Quasi-Z source inverter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039067A (en) * | 2018-09-25 | 2018-12-18 | 哈尔滨工业大学 | A kind of times die mould three winding coupling inductance high-gain DC converter |
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