CN106877656A - A kind of multi input high-gain Z source converters based on switching capacity unit - Google Patents
A kind of multi input high-gain Z source converters based on switching capacity unit Download PDFInfo
- Publication number
- CN106877656A CN106877656A CN201710173552.6A CN201710173552A CN106877656A CN 106877656 A CN106877656 A CN 106877656A CN 201710173552 A CN201710173552 A CN 201710173552A CN 106877656 A CN106877656 A CN 106877656A
- Authority
- CN
- China
- Prior art keywords
- power supply
- source
- electric capacity
- inductance
- terminals
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0077—Plural converter units whose outputs are connected in series
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0083—Converters characterised by their input or output configuration
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of multi input high-gain Z source converters based on switching capacity unit, including the first power supply, second source, 3rd power supply, 4th power supply, 5th power supply, first inductance, second inductance, first electric capacity, second electric capacity, 3rd electric capacity, first diode, second diode, switching tube, load and n switching capacity unit, n is 1, 2, 3 ... n, when n is more than or equal to 2, the n switching capacity unit is cascaded in output end, switching capacity unit is by 2n+2 electric capacity, 2n+3 electric capacity, 2n+1 diodes and 2n+2 diodes are configured to a two-port network.The present invention has very strong ductility, can improve voltage gain according to the number of cascaded switch capacitor cell, the voltage stress of switching tube and diode is greatly lowered, while the present invention can also provide the interface of multiple power inputs.
Description
Technical field
The present invention relates to the technical field of converters, refer in particular to a kind of based on the how defeated of switching capacity unit
Enter high-gain Z source converters.
Background technology
With industrial fast development, multi input, high-gain, powerful converter are changed to electrical energy production and change
More and more important effect is waved.The Z source converters topology for proposing in recent years can realize carrying for voltage gain in low duty ratio
Rise, but hoisting power is limited.Especially traditional non-isolation type Z source converters are influenceed by factors such as parasitic parameters, even if
Close to 0.5, its actual output voltage gain can not reach expected output effect to dutycycle.Meanwhile, in photovoltaic generation, by
It is relatively low in the DC voltage of single solar cell output, it is impossible to meet the demand of existing electrical equipment, can not meet grid-connected
The requirement of voltage, larger voltage is obtained often through the series connection of multiple batteries.This method needs solution series average-voltage etc. to ask
Topic, and a battery failures also can result in overall paralysis, reduce circuit reliability of operation.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art and shortcoming, there is provided a kind of based on switching capacity unit
Multi input high-gain Z source converters, it is adaptable to need the Power Electronic Circuit of multi input and high-gain.
To achieve the above object, technical scheme provided by the present invention is：A kind of multi input based on switching capacity unit
High-gain Z source converters, the Z source converters include the first power supply, second source, the 3rd power supply, the 4th power supply, the 5th electricity
Source, the first inductance, the second inductance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first diode, the second diode, switching tube,
Load and n switching capacity unit, n are 1,2,3 ... n, and when n is more than or equal to 2, the n switching capacity unit is in output end
Cascade, switching capacity unit is configured to one by 2n+2 electric capacity, 2n+3 electric capacity, 2n+1 diodes and 2n+2 diodes
Two-port network, wherein, the negative pole of 2n+2 electric capacity draws a terminals, the anode of 2n+1 diodes and 2n+3 electric capacity
Negative pole is connected, and draws b terminals, the sun of the positive pole, the negative electrode of 2n+1 diodes and 2n+2 diodes of 2n+2 electric capacity
Pole connects, and draws c terminals, the negative electrode connection of the positive pole and 2n+2 diodes of 2n+3 electric capacity, and draws d terminals；
The anode connection of the positive pole of first power supply and the first diode, its negative pole respectively with the negative pole of the second electric capacity and
One end connection of the second inductance；The negative electrode of first diode connects with one end of the first inductance and the positive pole of the first electric capacity respectively
Connect；The other end connection of the negative pole of the second source and the first inductance, its positive pole positive pole, the 5th electricity respectively with the second electric capacity
The negative pole connection in source；When n is equal to 1, the positive pole of the 5th power supply drain electrode, the anode of the second diode respectively with switching tube
Connected with a terminals of switching capacity unit, the negative pole of the 3rd power supply source electrode respectively with switching tube, the 3rd electric capacity it is negative
One end connection of pole and load, its positive pole is connected with the negative pole of the first electric capacity and the negative pole of the 4th power supply respectively, the 4th electricity
The positive pole in source is connected with the other end of the second inductance, the negative electrode of second diode respectively with the positive pole and switch of the 3rd electric capacity
The b terminals connection of capacitor cell, the d terminals of the switching capacity unit are connected with the other end of load；When n is more than or equal to
When 2, second switching capacity unit is unit cascaded with first switching capacity, i.e., second a terminal of switching capacity unit,
B terminals are connected with first the c terminals of switching capacity unit, d terminals respectively, by that analogy, until n-th switch electricity
A terminals, the b terminals for holding unit are connected with (n-1)th the c terminals of switching capacity unit, d terminals respectively, open for n-th
The d terminals for closing capacitor cell are connected with the other end of load；
Wherein, in the case of single input, the Z source converters only need to a power supply, other power supply short circuits or defeated
It is zero to enter value, i.e. retain any one power supply work in the first power supply, second source, the 3rd power supply, the 4th power supply and the 5th power supply
It is input, and other four power supply short circuits or input value are zero；Similarly, in the case of dual input, the Z source converters are only needed
Two power supplys are wanted, other power supply short circuits or input value are zero, i.e. the first power supply, second source, the 3rd power supply, the 4th power supply and
Retain any two power supply in five power supplys as input, and other three power supply short circuits or input value are zero；Similarly, in three inputs
In the case of, the Z source converters only need to three power supplys, and other power supply short circuits or input value are zero, i.e. the first power supply, second
Retain any three power supplys as input in power supply, the 3rd power supply, the 4th power supply and the 5th power supply, and other two power supply short circuits
Or input value is zero；Similarly, four be input into the case of, the Z source converters only need to four power supplys, other power supply short circuits or
Input value is zero, i.e. retain any four power supply in the first power supply, second source, the 3rd power supply, the 4th power supply and the 5th power supply
Used as input, and other power supply short circuits or input value are zero；Similarly, in the case of being input into five, the electricity of the Z source converters first
Source, second source, the 3rd power supply, the 4th power supply and the 5th power supply retain.
First power supply and the first diode are followed in series to form a branch road, in same branch road, the first power supply
Position with the first diode can exchange, but according to electric current flow direction must be the first power supply positive pole series connection the first diode
Anode, or the first diode negative electrode connect the first power supply negative pole；Second source and the first inductance are followed in series to form one
Individual branch road, in same branch road, the position of second source and the first inductance can exchange, but the flow direction of foundation electric current must be
The other end of the first inductance is connected the negative pole of second source, or the positive pole of second source is connected one end of the first inductance；4th electricity
Source is followed in series to form a branch road, in same branch road, the position energy of the 4th power supply and the second inductance with the second inductance
It is enough to exchange, but according to electric current flow direction must be the 4th power supply positive pole the second inductance of series connection the other end, or the second inductance
The negative pole of the 4th power supply of one end series connection.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, the present invention has only used a switching tube, can be high to realize by the extension of multiple switch capacitor cell
Voltage gain, reduces the voltage stress of diode and switching tube.
2nd, the invention provides multiple power input interfaces, have great importance in fields such as new energy.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of multi input high-gain Z source converters of the present invention.
Fig. 2 a, Fig. 2 b are respectively multi input high-gain Z source converters of the present invention two in switching tube S turn-on and turn-off
The equivalent circuit diagram of individual Main Stage.Solid line represents the part for having electric current to flow through in converter in figure, and the dotted line in topology is represented
The part that no current flows through in converter.
Fig. 3 is the key operation waveforms figure of circuit simulation of the present invention.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
It is shown in Figure 1, the multi input high-gain Z source converters that the present embodiment is provided, including the first power supply Vi1, second
Power supply Vi2, the 3rd power supply Vi3, the 4th power supply Vi4, the 5th power supply Vi5, the first inductance L1, the second inductance L2, the first electric capacity C1, second
Electric capacity C2, the 3rd electric capacity C3, the first diode D1, the second diode D2, switching tube S, load R and n switching capacity unit, n is
1st, 2,3 ... n, when n is more than or equal to 2, the n switching capacity unit is cascaded in output end, and switching capacity unit is by 2n+2
Electric capacity C2n+2, 2n+3 electric capacity C2n+3, 2n+1 diodes D2n+1With 2n+2 diodes D2n+2It is configured to a Two-port netwerk net
Network, wherein, 2n+2 electric capacity C2n+2Negative pole draw a terminals, 2n+1 diodes D2n+1Anode and 2n+3 electric capacity C2n+3
Negative pole connection, and draw b terminals, 2n+2 electric capacity C2n+2Positive pole, 2n+1 diodes D2n+1Negative electrode and 2,n+2 bis-
Pole pipe D2n+2Anode connection, and draw c terminals, 2n+3 electric capacity C2n+3Positive pole and 2n+2 diodes D2n+2Negative electrode
Connection, and draw d terminals.
The first power supply Vi1Positive pole and the first diode D1Anode connection, its negative pole respectively with the second electric capacity C2's
Negative pole and the second inductance L2One end connection；The first diode D1Negative electrode respectively with the first inductance L1One end and first
Electric capacity C1Positive pole connection；The second source Vi2Negative pole and the first inductance L1Other end connection, its positive pole is respectively with the
Two electric capacity C2Positive pole, the negative pole V of the 5th power supplyi5Connection；When n is equal to 1, the 5th power supply Vi5Positive pole respectively with switch
The drain electrode of pipe S, the second diode D2Anode and switching capacity unit X1In a terminals connection, the 3rd power supply Vi3's
Negative pole source electrode, the 3rd electric capacity C respectively with switching tube S3Negative pole and load R one end connection, its positive pole respectively with first electricity
Hold C1Negative pole and the 4th power supply Vi4Negative pole connection, the 4th power supply Vi4Positive pole and the second inductance L2The other end connect
Connect, the second diode D2Negative electrode respectively with the 3rd electric capacity C3Positive pole and switching capacity unit X1B terminals connection,
Switching capacity unit X1D terminals with load R the other end be connected；When n is more than or equal to 2, second switching capacity
Unit X2With first switching capacity unit X1Cascade, i.e., second switching capacity unit X2A terminals, b terminals respectively with
First switching capacity unit X1C terminals, d terminals connection, by that analogy, until n-th switching capacity unit XnA
Number terminal, b terminals respectively with (n-1)th switching capacity unit Xn-1C terminals, d terminals connection, n-th switching capacity
Unit XnD terminals with load R the other end be connected.
In the case of single input, the Z source converters only need to a power supply, and other power supply short circuits or input value are
Zero, i.e. the first power supply Vi1, second source Vi2, the 3rd power supply Vi3, the 4th power supply Vi4With the 5th power supply Vi5It is middle to retain any one
Power supply is used as input, and other four power supply short circuits or input value are zero；Similarly, in the case of dual input, the Z sources conversion
Device only needs to two power supplys, and other power supply short circuits or input value are zero, i.e. the first power supply Vi1, second source Vi2, the 3rd power supply
Vi3, the 4th power supply Vi4With the 5th power supply Vi5Middle reservation any two power supply is used as input, and other three power supply short circuits or input
Value is zero；Similarly, in the case of being input into three, the Z source converters only need to three power supplys, other power supply short circuits or input value
Be zero, i.e. the first power supply Vi1, second source Vi2, the 3rd power supply Vi3, the 4th power supply Vi4With the 5th power supply Vi5It is middle to retain any three
Individual power supply is used as input, and other two power supply short circuits or input value are zero；Similarly, in the case of being input into four, the Z sources become
Parallel operation only needs to four power supplys, and other power supply short circuits or input value are zero, i.e. the first power supply Vi1, second source Vi2, the 3rd power supply
Vi3, the 4th power supply Vi4With the 5th power supply Vi5Middle reservation any four power supply is used as input, and other power supply short circuits or input value are
Zero；Similarly, in the case of being input into five, the first power supply of Z source converters Vi1, second source Vi2, the 3rd power supply Vi3, the 4th
Power supply Vi4With the 5th power supply Vi5Retain.
Referring to shown in Fig. 2 a, Fig. 2 b, giving two equivalent circuits of Main Stage in switching tube S turn-on and turn-off, knot
Fig. 2 a, Fig. 2 b are closed, the course of work of the above-mentioned multi input high-gain Z source converters of the present embodiment is as follows：
Stage 1, such as Fig. 2 a：Switch S is turned on, now the first diode D1With the second diode D2Shut-off, n-th switch electricity
Hold unit XnIn 2n+2 diodes D2n+2Shut-off, n-th switching capacity unit XnIn 2n+1 diodes D2n+1Conducting；
Multiple loops are formed in circuit, is respectively：Second source Vi2, the 3rd power supply Vi3, the 5th power supply Vi5With the first electric capacity C1To first
Inductance L1Charge；3rd power supply Vi3, the 4th power supply Vi4, the 5th power supply Vi5With the second electric capacity C2To the second inductance L2Charge；3rd
Electric capacity C3, the 5th electric capacity C5... 2n+3 electric capacity C2n+3Pass through the 3rd diode D respectively3, the 5th diode D5... 2n+3
Diode D2n+3To the 4th electric capacity C4, the 6th electric capacity C6... 2n+2 electric capacity C2n+2Charge, while being powered to load R.
Stage 2, such as Fig. 2 b：Switch S is turned off, now the first diode D1With the second diode D2Conducting, n-th switch electricity
Hold unit XnIn 2n+2 diodes D2n+2Conducting, n-th switching capacity unit XnIn 2n+1 diodes D2n+1Shut-off；
Multiple loops are formed in circuit, is respectively：First power supply Vi1, second source Vi2With the first inductance L1By the first diode D1It is right
Second electric capacity C2Charge；First power supply Vi1, the 4th power supply Vi4With the second inductance L2By the first diode D1To the first electric capacity C1Fill
Electricity；First power supply Vi1, second source Vi2, the 3rd power supply Vi3, the 4th power supply Vi4, the 5th power supply Vi5, the first inductance L1, second electricity
Sense L2, the 4th electric capacity C4, the 6th electric capacity C6... 2n+2 electric capacity C2n+2Pass through the second diode D respectively2, the 4th diode
D4... 2n+2 diodes D2n+2To the 3rd electric capacity C3, the 5th electric capacity C5... 2n+3 electric capacity C2n+3Charge, while giving load R
Power supply.
To sum up situation, if a total of n switching capacity unit in circuit.In one switch periods, if switching tube dutycycle
It is q, if the first inductance L1With the second inductance L2Voltage be respectively vL1、vL2If the voltage of the i-th electric capacity is vCi(i=1,
2 ... .2n+2,2n+3), if output voltage is Vo, draw the derivation of following voltage gain.
During switching tube S is turned on, the operative scenario described in the correspondence stage 1, therefore have equation below：
vL1=vC1+Vi2+Vi3+Vi5 (1)
vL2=vC2+Vi3+Vi4+Vi5 (2)
There is following relation for the capacitance voltage of the capacitance voltage on n-th switching capacity unit and adjacent part：
vC(2k+1)=vC(2k+2)(k=1,2n-1, n) (3)
During switching tube S is turned off, the operative scenario described in the correspondence stage 2, therefore have equation below：
vL1=Vi1+Vi2-vC2 (4)
vL2=Vi1+Vi4-vC1 (5)
vC3=vC1+vC2-Vi1+Vi3+Vi5 (6)
Vo=vC3+vC5+vC7+···+vC(2n+3) (7)
There is following relation for the capacitance voltage on n-th switching capacity unit：
vC(2k+2)=vC(2k+3)(k=1,2n-1, n) (8)
Analyzed more than, according to the volt-second characteristic of inductance, had,
For the first inductance L1：
(vC1+Vi2+Vi3+Vi5)q+(Vi1+Vi2-vC2) (1-q)=0 (9)
For the second inductance L2：
(vC2+Vi3+Vi4+Vi5)q+(Vi1+Vi4-vC1) (1-q)=0 (10)
Simultaneous formula (3), (6), (7), (8), (9), (10), can obtain the circuit output voltage expression formula be：
From formula (11), the multi input high-gain Z source converters based on switching capacity unit proposed by the present invention, electricity
The position in source does not interfere with the weights of output voltage, the first power supply, second source, the 3rd power supply, the 4th power supply and the 5th power supply
Can realize that voltage gain isWherein n is the number of switching capacity unit.Relative to traditional Z source circuits, the present invention
With very good ductility, output voltage gain can be changed by changing the number of switching capacity unit, in duty
It is less than in the case of 0.5 than q, larger voltage gain can be realized.Meanwhile, the present invention can be greatly lowered switching tube and two poles
The voltage stress of pipe, voltage stress is only
For example, the first power supply Vi1=1V, second source Vi2=2V, the 3rd power supply Vi3=3V, the 4th power supply Vi4=4V, the
Five power supply Vi5=5V, dutycycle q=0.3, using a switching capacity unit n=1 in the case of, by formula (11) obtain it is defeated
The theoretical analysis result for going out voltage is Vo=75V.Simulation waveform under correspondence parameter shown in Fig. 3, it can be seen that output voltage
Simulation result also close to 75V, larger voltage gain can be realized.The present invention can be by the number of extension switching capacity unit
Further increase voltage gain.Meanwhile, the present invention places power supply in multiple positions, overcomes new energy field due to power distribution
Inconsistent the triggered problem of position, with value higher, is worthy to be popularized.
Embodiment described above is only the preferred embodiments of the invention, not limits practical range of the invention with this, therefore
The change that all shapes according to the present invention, principle are made, all should cover within the scope of the present invention.
Claims (2)
1. a kind of multi input high-gain Z source converters based on switching capacity unit, it is characterised in that：The Z source converters bag
Include the first power supply (Vi1), second source (Vi2), the 3rd power supply (Vi3), the 4th power supply (Vi4), the 5th power supply (Vi5), the first inductance
(L1), the second inductance (L2), the first electric capacity (C1), the second electric capacity (C2), the 3rd electric capacity (C3), the first diode (D1), the two or two
Pole pipe (D2), switching tube (S), load (R) and n switching capacity unit, n be 1,2,3 ... n, when n more than or equal to 2 when, the n
Individual switching capacity unit is cascaded in output end, and switching capacity unit is by 2n+2 electric capacity (C2n+2), 2n+3 electric capacity (C2n+3),
2n+1 diodes (D2n+1) and 2n+2 diodes (D2n+2) it is configured to a two-port network, wherein, 2n+2 electric capacity (C2n+2)
Negative pole draw a terminals, 2n+1 diodes (D2n+1) anode and 2n+3 electric capacity (C2n+3) negative pole connection, and draw b
Number terminal, 2n+2 electric capacity (C2n+2) positive pole, 2n+1 diodes (D2n+1) negative electrode and 2n+2 diodes (D2n+2) sun
Pole connects, and draws c terminals, 2n+3 electric capacity (C2n+3) positive pole and 2n+2 diodes (D2n+2) negative electrode connection, and draw
Go out d terminals；
First power supply (the Vi1) positive pole and the first diode (D1) anode connection, its negative pole respectively with the second electric capacity (C2)
Negative pole and the second inductance (L2) one end connection；First diode (the D1) negative electrode respectively with the first inductance (L1) one
End and the first electric capacity (C1) positive pole connection；Second source (the Vi2) negative pole and the first inductance (L1) the other end connection,
Its positive pole respectively with the second electric capacity (C2) positive pole, the negative pole (V of the 5th power supplyi5) connection；When n is equal to 1, the 5th power supply
(Vi5) positive pole drain electrode, the second diode (D respectively with switching tube (S)2) anode and switching capacity unit a terminals connect
Connect, the 3rd power supply (Vi3) negative pole source electrode, the 3rd electric capacity (C respectively with switching tube (S)3) negative pole and load (R)
One end connect, its positive pole respectively with the first electric capacity (C1) negative pole and the 4th power supply (Vi4) negative pole connection, the 4th power supply
(Vi4) positive pole and the second inductance (L2) the other end connection, the second diode (D2) negative electrode respectively with the 3rd electric capacity
(C3) positive pole and switching capacity unit the connection of b terminals, the d terminals of the switching capacity unit with load the another of (R)
End connection；When n is more than or equal to 2, second switching capacity unit is unit cascaded with first switching capacity, i.e., second is opened
A terminals, the b terminals for closing capacitor cell are connected with first the c terminals of switching capacity unit, d terminals respectively, with this
Analogize, until n-th a terminals of switching capacity unit, b terminals are held with (n-1)th switching capacity unit No. c respectively
Son, the connection of d terminals, n-th d terminal of switching capacity unit are connected with the other end of load (R)；
Wherein, in the case of single input, the Z source converters only need to a power supply, other power supply short circuits or input value
Be zero, i.e. the first power supply (Vi1), second source (Vi2), the 3rd power supply (Vi3), the 4th power supply (Vi4) and the 5th power supply (Vi5) in
Retain any one power supply as input, and other four power supply short circuits or input value are zero；Similarly, in the situation of dual input
Under, the Z source converters only need to two power supplys, and other power supply short circuits or input value are zero, i.e. the first power supply (Vi1), second electricity
Source (Vi2), the 3rd power supply (Vi3), the 4th power supply (Vi4) and the 5th power supply (Vi5) in retain any two power supply as input, and
Other three power supply short circuits or input value are zero；Similarly, in the case of being input into three, the Z source converters only need to three electricity
Source, other power supply short circuits or input value are zero, i.e. the first power supply (Vi1), second source (Vi2), the 3rd power supply (Vi3), the 4th electricity
Source (Vi4) and the 5th power supply (Vi5) middle any three power supplys of reservation are used as input, and other two power supply short circuits or input value are
Zero；Similarly, in the case of being input into four, the Z source converters only need to four power supplys, and other power supply short circuits or input value are
Zero, i.e. the first power supply (Vi1), second source (Vi2), the 3rd power supply (Vi3), the 4th power supply (Vi4) and the 5th power supply (Vi5) middle guarantor
Any four power supply is stayed as input, and other power supply short circuits or input value are zero；Similarly, in the case of being input into five, the Z
The first power supply of source converter (Vi1), second source (Vi2), the 3rd power supply (Vi3), the 4th power supply (Vi4) and the 5th power supply (Vi5)
Retain.
2. a kind of multi input high-gain Z source converters based on switching capacity unit according to claim 1, its feature exists
In：First power supply (the Vi1) and the first diode (D1) branch road is followed in series to form, in same branch road, the first electricity
Source (Vi1) and the first diode (D1) position can exchange, but must be the first power supply (V according to the flow direction of electric currenti1) positive pole
Connect the first diode (D1) anode, or the first diode (D1) negative electrode connect the first power supply (Vi1) negative pole；Second electricity
Source (Vi2) and the first inductance (L1) it is followed in series to form a branch road, in same branch road, second source (Vi2) and the first electricity
Sense (L1) position can exchange, but must be the first inductance (L according to the flow direction of electric current1) the other end series connection second source
(Vi2) negative pole, or second source (Vi2) positive pole connect the first inductance (L1) one end；4th power supply (Vi4) and the second inductance
(L2) be followed in series to form a branch road, in same branch road, the 4th power supply (Vi4) and the second inductance (L2) position energy
It is enough to exchange, but the flow direction of foundation electric current must be the 4th power supply (Vi4) positive pole connect the second inductance (L2) the other end, or
Two inductance (L2) one end connect the 4th power supply (Vi4) negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173552.6A CN106877656A (en) | 2017-03-22 | 2017-03-22 | A kind of multi input high-gain Z source converters based on switching capacity unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173552.6A CN106877656A (en) | 2017-03-22 | 2017-03-22 | A kind of multi input high-gain Z source converters based on switching capacity unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877656A true CN106877656A (en) | 2017-06-20 |
Family
ID=59173755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710173552.6A Pending CN106877656A (en) | 2017-03-22 | 2017-03-22 | A kind of multi input high-gain Z source converters based on switching capacity unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112912A (en) * | 2019-06-03 | 2019-08-09 | 广东工业大学 | A kind of control circuit of high-gain converter, method and power-supply system |
| CN115580107A (en) * | 2022-09-28 | 2023-01-06 | 广东工业大学 | Novel soft switch impedance network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203911753U (en) * | 2014-07-02 | 2014-10-29 | 三峡大学 | Zero-voltage switch-off interleaved parallel DC/DC converter |
| CN205178878U (en) * | 2015-11-23 | 2016-04-20 | 中国矿业大学 | Single switch high -gain converter that contains voltage -multiplying unit |
-
2017
- 2017-03-22 CN CN201710173552.6A patent/CN106877656A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203911753U (en) * | 2014-07-02 | 2014-10-29 | 三峡大学 | Zero-voltage switch-off interleaved parallel DC/DC converter |
| CN205178878U (en) * | 2015-11-23 | 2016-04-20 | 中国矿业大学 | Single switch high -gain converter that contains voltage -multiplying unit |
Non-Patent Citations (3)
| Title |
|---|
| DING LI,等: "Hybrid-Source Impedance Networks: Layouts and Generalized Cascading Concepts", 《IEEE TRANSACTIONS ON POWER ELECTRONICS》 * |
| IOANNIS C. KOBOUGIAS，等: "Optimal Design of a Half-Wave Cockcroft–Walton Voltage Multiplier With Minimum Total Capacitance", 《IEEE TRANSACTIONS ON POWER ELECTRONICS》 * |
| YAOHUA HE，等: "《Switched-Inductor/Switched-Capacitor Active-Network Converters》", 《2014 9TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112912A (en) * | 2019-06-03 | 2019-08-09 | 广东工业大学 | A kind of control circuit of high-gain converter, method and power-supply system |
| CN110112912B (en) * | 2019-06-03 | 2020-04-28 | 广东工业大学 | Control circuit and method of high-gain converter and power supply system |
| CN115580107A (en) * | 2022-09-28 | 2023-01-06 | 广东工业大学 | Novel soft switch impedance network |
| CN115580107B (en) * | 2022-09-28 | 2023-05-12 | 广东工业大学 | Novel soft switch impedance network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206620051U (en) | A kind of multi input high-gain Z source converters based on switching capacity unit | |
| CN203942447U (en) | A kind of ZVT crisscross parallel high-gain formula DC/DC converter | |
| CN208571927U (en) | Three level Boost circuits of one kind and inversion system | |
| CN105939126B (en) | A kind of quasi- Z-source inverter of switched inductors type mixing | |
| CN106992670B (en) | Adaptive turn-on time control circuit for PFM mode boost type DC-DC converter | |
| CN104009633A (en) | Current continuous type high-gain DC-DC converter circuit | |
| CN204442176U (en) | A kind of switched inductors type accurate Z source DC-DC converter circuit | |
| CN109755960A (en) | A kind of nine electrical level inverter topological structure of single-phase grid-connected switching capacity | |
| CN107592017A (en) | A kind of DC DC converters and control method | |
| CN103825457A (en) | Quasi-Z-source DC-DC boost converter circuit | |
| CN108768176A (en) | Three level Boost circuits of one kind and inversion system | |
| CN107634656A (en) | A kind of quasi- Z sources DC DC converters of isolated form high-gain suitable for photovoltaic generation | |
| CN107565814A (en) | A kind of quasi- Z source switch boosting inverters of high-gain suitable for fuel cell power generation | |
| CN110112943A (en) | A kind of both-end multi-level inverter circuit and inversion system | |
| CN106877656A (en) | A kind of multi input high-gain Z source converters based on switching capacity unit | |
| CN106972748B (en) | A kind of more level power translation circuits and system | |
| CN203722474U (en) | Quasi-Z-source DC-DC boost converter circuit | |
| CN108322043A (en) | A kind of single-stage active impedance network DC-DC converter | |
| CN108462391A (en) | A kind of impedance network DC-DC converter | |
| CN106655773B (en) | Dual-port input high-gain DC/DC converter with soft switch | |
| CN107994774B (en) | A kind of control method of DCDC reversible transducer | |
| CN203747650U (en) | Bidirectional boost-buck direct-current converter | |
| CN206698116U (en) | A kind of high-gain DC voltage changer for reducing switching tube current stress | |
| CN104917380B (en) | A kind of control method for realizing low-voltage switches stress | |
| CN108429454A (en) | A kind of biswitch DC-DC converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |