CN107070231A - Series-to-parallel converter with multi input and use its charging and conversion electric facility - Google Patents
Series-to-parallel converter with multi input and use its charging and conversion electric facility Download PDFInfo
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- CN107070231A CN107070231A CN201710006492.9A CN201710006492A CN107070231A CN 107070231 A CN107070231 A CN 107070231A CN 201710006492 A CN201710006492 A CN 201710006492A CN 107070231 A CN107070231 A CN 107070231A
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- 230000003247 decreasing effect Effects 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/493—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/3353—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
The present invention provides a kind of series-to-parallel converter with multi input and uses its charging and conversion electric facility, belongs to converter technical field.The series-to-parallel converter of the present invention includes the input of multiple direct currents, the inverter circuit module with multiple parallel arrangement of inversion units, AC/DC translation circuit modules, and with the topological structure of compound series-parallel connection.The charging and conversion electric facility of the present invention uses the series-to-parallel converter, has access to different types of power input.
Description
Technical field
The invention belongs to converter technical field, it is related to DC/DC converters, more particularly to the tool inputted with multiple direct currents
There are the converter and the charging and conversion electric facility using the converter of series-parallel connection framework.
Background technology
Converter includes DC/DC converters and AC/DC converters, and it is the portion commonly used in the charging and conversion electric facilities such as charging station
Part.In automobile charging technique field, it is necessary to enough charging stations be built for charging electric vehicle, to solve the mileage anxiety of user
Problem.
The power input of traditional charging station is usually power network or battery, but in the incomplete spy of some infrastructure
Different occasion or under special status（For example occurs power supply trouble）, it is difficult to ensure that can be to the timely charging of automobile, charge facility
Property it is poor, influence Consumer's Experience；For example, some charging stations can only compatible with alternating power network input, under some environmental conditions exist electricity
The situation of power-off is netted, therefore, charging station can not be Vehicular charging；Further for example, some charging stations can only compatible photovoltaic module electricity
Source is inputted, it is understood that there may be solar cell power generation is not enough unable to the situation for Vehicular charging.It is fast with new-energy automobile
Speed popularization, the requirements of many application scenarios also more and more higher is disclosure satisfy that to charging station.
Also, require to set voltage stress higher ranked in the inverter used in the charging and conversion electric facilities such as traditional charging station
Switching tube, with using charging and conversion electric facility high-pressure system demand, therefore, also considerably increase the cost of charging and conversion electric facility.
The content of the invention
An object of the present invention is that there is provided a kind of new converter.
It is a further object of the present invention to provide a kind of charging and conversion electric facility that can meet many application scenarios, improve charging
Convenience.
To realize object above or other purposes, the present invention provides following technical scheme.
It is an aspect of this invention to provide that providing a kind of series-to-parallel converter（100,200）, it is used to input direct current（110）
Be converted to direct current output, the converter（100,200）Including：
N number of direct current input（110）, wherein, N is the integer more than or equal to 2, N number of direct current input（110）Between go here and there successively
Connection connection, N number of direct current input（110）In any one or at least two combination be used for be series-to-parallel converter
（100,200）DC source is provided；
Inverter circuit module（120,220）, it has at least two parallel arrangement of inversion units, wherein, each inversion
The N number of direct current input of input correspondence connection of unit（110）One of them, the coil of inversion unit described at least two
Output end is arranged to general DC busbar between the output of parallel connection, described two parallel arrangement of inversion units, so as to realize
Formed and be connected in series between the switching tube of described two parallel inversion units；And
AC/DC translation circuit modules（130）, it is used for the inverter circuit module（120,220）N number of coil output institute
The AC signal of output carries out rectifying and wave-filtering processing and forms direct current output.
Series-to-parallel converter according to an embodiment of the invention, wherein, the inverter circuit module（120,220）With at least
N number of parallel arrangement of inversion unit, wherein, the input of N number of inversion unit corresponds to the N number of direct current of connection one by one respectively
Input（110）, the coil output of N number of inversion unit is arranged to the output of parallel connection, N number of parallel arrangement of inversion
General DC busbar between the adjacent inversion unit in unit, so as to realize the adjacent inversion unit switching tube it
Between formed and be connected in series.
Series-to-parallel converter according to an embodiment of the invention, wherein, n-th of direct current input（110）First input end and
Second input connects the inverter circuit module respectively（120,220）In n-th of inversion unit the first dc bus and
Second dc bus；
The（n+1）Individual direct current input（110）First input end and the second input connect the inverter circuit module respectively
（120,220）In（n+1）The first dc bus and the second dc bus of individual inversion unit；
Wherein, n-th of direct current input（110）The second input be connected in series（n+1）Individual direct current input（110）
One input, n-th of direct current input（110）The second dc bus and（n+1）Individual direct current input（110）It is first straight
Bus is flowed to share；
Wherein, n is integer, 1≤n ＜ N.
Series-to-parallel converter according to an embodiment of the invention, wherein, N number of direct current input（110）With the straight of formed objects
Voltage is flowed, described two inversion units have identical configuration.
Series-to-parallel converter according to an embodiment of the invention, wherein, the inversion unit is single-phase or multiphase full-bridge inverting
Unit or for single-phase or multiphase semi-bridge inversion unit.
Specifically, the inversion unit is H bridge inverter unit, and the coil output of the inversion unit is disposed in H bridges
Bridge on；
Wherein, the main line of the H bridge inverter unit（W21, W22）On switching tube and the main line of adjacent H bridge inverter unit
On switching tube be connected in series.
Series-to-parallel converter according to an embodiment of the invention, wherein, N number of direct current input（110）N-th be used for be
Series-to-parallel converter（100,200）When DC source is provided, by controlling the switching tube in the inversion unit, make described at least one
Inversion unit works, or inversion unit described at least two is concurrently worked.
Series-to-parallel converter according to an embodiment of the invention, wherein, the AC/DC translation circuits module（130）With extremely
Few two coil input ends and a DC output end（131）, two coil input ends respectively with described two parallel inversions
The coil output of unit is coupled.
Series-to-parallel converter according to an embodiment of the invention, wherein, it is each in coil input end described at least two
The middle part of inductance coil passes through the first wire（W31）Draw, be then commonly connected to the DC output end（131）First end；
The two ends of each inductance coil of coil input end described at least two are connected to second by commutation diode respectively
Wire（W32）, then pass through the second wire（W32）It is commonly connected to the DC output end（131）The second end.
According to another aspect of the present invention, there is provided a kind of charging and conversion electric facility（10）, it includes：
Series-to-parallel converter described in any of the above（100,200）；With
The different types of power input of N kinds, it is connected respectively the series-to-parallel converter（100,200）N number of direct current input
（110）.
Charging and conversion electric facility according to an embodiment of the invention, wherein, the power input passes through AC/DC converters or DC/
DC converters are connected to the series-to-parallel converter（100,200）Corresponding direct current input（110）, or be connected directly to described mixed
Join converter（100,200）Corresponding direct current input（110）.
Charging and conversion electric facility according to an embodiment of the invention, wherein, the different types of power input of N kinds includes：Electricity
Net, generator and dc source.
Charging and conversion electric facility according to an embodiment of the invention, wherein, the dc source is the dynamic of photovoltaic module or vehicle
Power battery.
Charging and conversion electric facility according to an embodiment of the invention, wherein, the charging and conversion electric facility（10）Set for vehicle charging and conversion electric
Apply.
The series-to-parallel converter of the present invention has unique topological structure, and the voltage stress class requirement of switch tube is low, especially
It is suitable to high pressure conversion system, moreover, the power output of each inversion unit is controllable, overall DC output power is also controllable, holds
Easily meet various power output demands, THD（Total harmonic distortion）Characteristic is good.When applied to charging and conversion electric facility, it can access not
The power input of same type, easily solves limitation of the charging and conversion electric facility under special occasions or special environment condition to charging, carries
The convenience and robustness of high charge, the experience of user well, further, it is possible to meet the Vehicular charging demand of various scenes.
Brief description of the drawings
From described further below with reference to accompanying drawing, it will make the above and other purpose and advantage of the present invention more complete
It is clear, wherein, same or analogous key element, which is adopted, to be indicated by the same numeral.
Fig. 1 is the electrical block diagram of the series-to-parallel converter according to one embodiment of the invention.
Fig. 2 is the structural representation of the inversion unit in Fig. 1.
Fig. 3 is Fig. 1 equivalent circuit diagram of the series-to-parallel converter in an operative scenario.
Fig. 4 is Fig. 1 equivalent circuit diagram of the series-to-parallel converter in another operative scenario.
Fig. 5 is the electrical block diagram of the series-to-parallel converter according to further embodiment of this invention.
Fig. 6 is the structural representation of the inversion unit in Fig. 5.
Fig. 7 is the electrical block diagram of the series-to-parallel converter according to yet another embodiment of the invention.
Fig. 8 is the structural representation of the charging and conversion electric facility according to one embodiment of the invention.
Embodiment
The present invention is more fully described now with reference to accompanying drawing, shown in the drawings of the exemplary embodiment of the present invention.
But, the present invention can be realized according to many different forms, and be not construed as being limited to embodiments set forth here.
On the contrary, thesing embodiments are provided so that the disclosure becomes thorough and complete, and the design of the present invention is entirely delivered to this area
Technical staff.In accompanying drawing, identical label refers to same or similar element or part, therefore, will omit description of them.
In following description, for the clear and concise of description, all multiple parts shown in figure are not carried out detailed
Thin description.It is the multiple parts for being fully able to realize the present invention shown in the drawings of those of ordinary skill in the art, for ability
For field technique personnel, perhaps multipart operation is all to be familiar with and obvious.
Fig. 1 show the electrical block diagram of the series-to-parallel converter according to one embodiment of the invention, and Fig. 2 show Fig. 1
In inversion unit structural representation, Fig. 3 show Fig. 1 series-to-parallel converter in the equivalent circuit diagram of an operative scenario, Fig. 4
It show Fig. 1 equivalent circuit diagram of the series-to-parallel converter in another operative scenario.This hair is described in detail below in conjunction with Fig. 1 to Fig. 4
The series-to-parallel converter 100 of bright embodiment.
As shown in figure 1, series-to-parallel converter 100 is DC/DC（DC-to-dc）Converter, it, which has, is used as many of input
Individual direct current input 110, inverter circuit module 120 and AC/DC translation circuits module 130, inverter circuit module 120 and an AC/
DC translation circuits module 130 is used for completing the function of the DC-to-dc conversion of the converter jointly.Wherein, direct current input 110
Itself DC source is not provided, it is the port that signal is used for inputting or accessing DC source.
In Fig. 1, specifically input 110 with 3 direct currents to illustrate for example, accordingly, inverter circuit module 120 is also
With 3 inversion units（That is inversion unit 121,122 and 123）Illustrated for example.It is to be appreciated that series-to-parallel converter
Direct current input 110 and the particular number of inversion unit are not limited to the embodiment of the present invention in 100, according to concrete application the need for,
The setting of its quantity can be increased and decreased.
As shown in figure 1,3 direct current inputs 1101、1102With 1103Be respectively corresponding parallel arrangement of inversion unit 121,
122 and 123 and set, they constitute can series-to-parallel converter 100 multi input series-parallel connection topological structure.From 3 direct current inputs 1101、
1102With 1103Itself discretely from the point of view of, 3 direct currents input 1101、1102With 1103It is sequentially connected in series, specifically, direct current
Input 1101Input 1101bIt is connected to direct current input 1102Input 1102a, direct current input 1102Input
1102bIt is connected to direct current input 1103Input 1103a, it is achieved thereby that being sequentially connected in series between them.But, from 3
Individual direct current input 1101、1102With 1103From the point of view of inversion unit 121,122 and 123, each direct current input is corresponding inversion list
Member is together and parallel arrangement of.
It should be noted that 3 direct current inputs 1101、1102With 1103In any one or wherein at least two group
Close can as series-to-parallel converter 100 DC source, namely formed series-to-parallel converter 100 direct current input source.
Continue as shown in figure 1, inverter circuit module 120 is used for the DC source of input being transformed to exchange output, in the reality
Apply in example, inverter circuit module 120 is that compound hybrid connected structure, i.e. series connection are mixed to form series-parallel connection topology with parallel form
Structure.First, from the point of view of the arrangement of multiple inversion units in inverter circuit module 120,3 inversion units 121,122 and 123
It is concurrently to set, the input of 3 inversion units 121,122 and 123 is also to be connected respectively direct current input 1101、1102
With 1103, the coil output L of 3 inversion units 121,122 and 12311、L21And L31It is also to set in parallel, namely is arranged
For with output in parallel；Secondly, from the point of view of the annexation between multiple inversion units in inverter circuit module 120, and
It is general DC busbar between adjacent inversion unit in the inversion unit 121,122 and 123 that row is set, adjacent inverse so as to realize
Formed and be connected in series between the switching tube for becoming unit.
The structure of each inversion unit in inverter circuit module 120 is the single-phase H bridge inverters of embodiment illustrated in fig. 2,
Specifically, there is four switching tube S, two of which switching tube S to be arranged on a main line for it, and two other switching tube S is set
On another main line, connect between two main lines by bridging, inductance coil L, which is arranged on bridge, forms coil output；Two
Also bridge to have between bar dc bus and electric capacity C can also be set on electric capacity C, dc bus.Wherein, every main line connection inversion
Two dc bus up and down of unit, switching tube specifically can be, but not limited to as high speed thyristor, turn-off thyristor（GTO）、
Power transistor（GTR）, power field effect transistor（MOSFET）Or gated transistor（IGBT）Deng switching tube can pass through
The various control signals such as PWM come its on, off of drive control or conducting degree etc..
The inversion unit 121 in Fig. 1 is corresponded specifically to, inversion unit 121 has four switching tube S11、S12、S13And S14,
Electric capacity C1With electric capacity C12, and inductance coil L11；The dc bus W of inversion unit 12111And W12Pass through main line W21And W22Even
Connect, electric capacity C1 is connected across dc bus W11And W12Between；Wherein, two switching tube S11And S13It is arranged in series in main line W21
On, two switching tube S12And S14It is arranged in series in main line W22On, the two ends of bridge are connected to switching tube S12And S14Between,
Switching tube S11And S13Between, inductance coil L11Be arranged on the bridge, its as inversion unit 121 coil output, also for
AC/DC translation circuits module 130 provides input；Wherein, electric capacity C12It is arranged on dc bus W12On.By controlling H bridge inversion lists
Four switching tube S of member 12111、S12、S13And S14Turn-on and turn-off are combined, and can make inductance coil L11The different level of output.
The inversion unit 122 in Fig. 1 is corresponded specifically to, inversion unit 122 is arranged between inversion unit 121 and 123, inverse
Become unit 122 and be adjacent to parallel arrangement with inversion unit 121, common DC bus W between them12, inversion unit 122 also with
Inversion unit 123 is adjacent to parallel arrangement, common DC bus W between them13.Inversion unit 122 has four switching tubes
S21、S22、S23And S24, electric capacity C2With electric capacity C23, and inductance coil L21；The dc bus W of inversion unit 12212And W13Also by
Main line W21And W22Connection, electric capacity C2 is connected across dc bus W12And W13Between；Wherein, two switching tube S21And S23Series connection is set
Put in main line W21On, two switching tube S22And S24It is arranged in series in main line W22On, the two ends of bridge are connected to switching tube
S22And S24Between, switching tube S21And S23Between, inductance coil L21Be arranged on the bridge, its as inversion unit 122 coil
Output end, also provides input for AC/DC translation circuits module 130；Wherein, electric capacity C23It is arranged on dc bus W13On.Pass through control
Four switching tube S of H bridge inverter unit 121 processed21、S22、S23And S24Turn-on and turn-off are combined, and can make inductance coil L21Output
Different level.
The inversion unit 123 in Fig. 1 is corresponded specifically to, inversion unit 123 has four switching tube S31、S32、S33And S34,
Electric capacity C3With electric capacity C23, and inductance coil L31；The dc bus W of inversion unit 12113And W14Pass through main line W21And W22Even
Connect, electric capacity C3It is connected across dc bus W13And W14Between；Wherein, two switching tube S31And S33It is arranged in series in main line W21On,
Two switching tube S32And S34It is arranged in series in main line W22On, the two ends of bridge are connected to switching tube S32And S34Between, open
Close pipe S31And S33Between, inductance coil L31It is arranged on the bridge, it, as the coil output of inversion unit 123, is also AC/
DC translation circuits module 130 provides input；Wherein, electric capacity C23It is arranged on dc bus W13On.By controlling H bridge inverter unit
123 four switching tube S31、S32、S33And S34Turn-on and turn-off are combined, and can make inductance coil L31The different level of output.
Therefore, the switching tube of the inversion unit 121,122 and 123 of above example, which is formd, is connected in series, for example, main line
Road W21On S11、S13、S21、S23、S31And S33It is connected in series, main line W22On S12、S14、S22、S24、S32And S34It is
It is connected in series, certainly, the combining form being connected in series is not limited to above example, such as the difference of different inversion units is main
Circuit W21And W22On switching tube be also what is be connected in series.
Continue as shown in figure 1, direct current input 1101Input 1101aWith input 1101bInversion unit 121 is connected respectively
Dc bus W11With dc bus W12, direct current input 1102Input 1102aWith input 1102bInversion list is connected respectively
The dc bus W of member 12212With dc bus W13, direct current input 1103Input 1103aWith input 1103bConnect respectively inverse
Become the dc bus W of unit 12313With dc bus W14；Wherein, dc bus W12It is inversion unit 121 and inversion unit 122
Shared dc bus, dc bus W13It is inversion unit 122 and the shared dc bus of inversion unit 124.
In one embodiment, it is preferable that direct current input 1101DC voltage V with formed objects0, each inversion unit
Arrangement it is essentially identical, such as switching tube S-phase is same used in each inversion unit, electric capacity C1、C2And C3Capacitance size it is basic
It is identical.
It should be noted that in above example, being illustrated using single-phase full bridge inversion unit as example, this area skill
Art personnel will be appreciated that, if necessary to carry out two-phase or three-phase inversion, can analogically apply the base of above single-phase inversion unit
This structure is combined to form two-phase full-bridge inverting unit or three phase full bridge inversion unit.Full-bridge framework in above example
It is based on the formation of hard switching pipe or based on LLC（Inductance L and electric capacity C combination）With the full-bridge framework of phase shift, LLC and
" switching tube " that is functionally equivalent in above example of phase shift.
Continue as shown in figure 1, in this embodiment, AC/DC translation circuits module 130 has 3 inductance coil L12、L22
And L32, wherein, inductance coil L12With inductance coil L11It is coupled to form a transformer unit, inductance coil L22With inductance coil
L21It is coupled to form another transformer unit, inductance coil L32With inductance coil L31It is coupled to form another transformer unit；Cause
This, three of inverter circuit module 120 outputs can be handled by transformation after from inductance coil L12、L22And L32Input to AC/DC
Translation circuit module 130, inductance coil L12、L22And L32Constitute the coil input end of inverter circuit module 120.Further, it is electric
Feel coil L12、L22And L32In each middle part pass through wire W31Draw, and then pass through wire W31It is commonly connected to AC/DC changes
Change the first end of the DC output end 131 of circuit module 130；Inductance coil L12、L22And L32In each two ends each via
One diode（Commutation diode）Connecting wire W32, and then pass through wire W32It is collectively coupled to AC/DC translation circuit modules
Second end of 130 DC output end 131, for example, inductance coil L12Two ends connect commutation diode D respectively11And D12, electricity
Feel coil L22Two ends connect diode D respectively21And D22, inductance coil L32Two ends connect diode D respectively31And D32；This
Sample, inductance coil L11、L21Or L31The output of different sense of current electric currents pass through inductance coil L12、L22Or L32Two ends not
Same diode exports and forms the electric current output of equidirectional, that is, completes rectification function, further pass through AC/DC translation circuits
After RC filter circuit filtering process in module 130, in the formation direct current output of output end 131, so that the final conversion of direct current completely
Function.Specifically, RC filter circuits include the electric capacity C for being connected across the two ends of DC output end 1310Be serially connected in DC output end
Resistance R in the either end at 131 two ends0。
It is to be appreciated that the current rectifying and wave filtering circuit of AC/DC translation circuits module 130 is not limited to shown in Fig. 1 of the present invention
Embodiment, it is any that multiple exchange inputs can be formed to the current rectifying and wave filtering circuit of single direct current output after rectifying and wave-filtering is handled
It can apply herein.For example, rectification circuit is not limited to the full-wave rectifying circuit of above example, also using full-bridge rectification electricity
Road, circuit of synchronous rectification etc..
The basic functional principle of the series-to-parallel converter 100 of the embodiment of the present invention is further illustrated below in conjunction with Fig. 3 and Fig. 4.
The series-to-parallel converter 100 of the present invention can select any one direct current to input 130 as DC source, to select direct current
Input 1101It is example as DC source（Its DC voltage is V0）, as shown in Figure 3 and Figure 4, by controlling different inversion units
Switching tube combination conducting, form different equivalent circuits.
In equivalent circuit shown in Fig. 3, wherein arrow reflects the sense of current and power flow path；It is smaller in power output
In the case of, turn off all switching tubes in inversion unit 122 and 123 by control signal, therefore, only inversion unit 121
Reversion reaction is played, at a time, the switching tube S in inversion unit 121 is enabled by control signal12And S13Conducting（Switch
Pipe S11And S14Shut-off）, equivalent circuit diagram by control signal as shown in figure 3, at the another moment, can also enable inversion unit
Switching tube S in 12111And S14Conducting（Switching tube S12And S13Shut-off）, form similar Fig. 3 equivalent circuit diagram.It is defeated in small-power
In the case of going out, the switching tube S in Fig. 3 equivalent circuit diagrams12And S13It is relative to bear under less voltage stress, this situation, it is inverse
The operation principle for becoming circuit module 120 is similar with the operation principle of traditional many Level Full Bridge inverter circuits.
In equivalent circuit diagram shown in Fig. 4, wherein arrow reflects the sense of current and power flow path；If power output
In the case of larger, inversion processing is only carried out by inversion unit 121（As shown in Figure 3）Opening in inversion unit 121 will be caused
Close pipe S and bear larger voltage stress, therefore, switch tube S stress requires high.But, the inversion in the embodiment of the present invention
Circuit module uses hybrid connected structure, inversion unit 121 can be made to work by control signal, while inversion unit 122 and 123
Work, namely inversion unit 121,122 and 123 work and Parallel opertation equal-wattage or different capacity simultaneously, become in AC/DC
Change after confluxing in circuit module 130 and export direct current.Equivalent circuit diagram at a time by control signal as shown in figure 4, made
Switching tube S in energy inversion unit 12112And S13Conducting（Switching tube S11And S14Shut-off）, switching tube S in inversion unit 12221
And S24Conducting（Switching tube S22And S23Shut-off）, switching tube S in inversion unit 12331And S34Conducting（Switching tube S32And S33Close
It is disconnected）, now, dc bus W11、W14Constitute the dc bus of inverter circuit module 120, direct current input 1101Voltage V0Biasing
In dc bus W11And W14On, dc bus W11And W14Between be connected in series 6 switching tube S voltage stress will be changed into
The 1/3 of Fig. 3 situations, switch tube voltage drop is also reduced, and can so use the junior switching tube formation high voltage variable of voltage stress
Change system.Also, the coil output L of inversion unit 121,122 and 12311、L21And L31Power output in parallel, in AC/DC
Power collects output in translation circuit module 130；By controlling the switching tube of each inversion unit, each inversion list can be controlled
The power output size of the coil output of member, namely the power output of each inversion unit are controllable, are converted so as to series-parallel connection
The overall DC output power of device 100 is also controllable.
It is to be appreciated that the setting of the quantity of inversion unit in inverter circuit module 120 is not limited to above implementation
Example, selecting the quantity of the inversion unit of work can also be set as the case may be, for example, in figure 4 above, inversion unit
Switching tube S in 12331、S32、S33And S34Can be with fully closed disconnected, the only work of inversion unit 121 and 122, inverse direct current input 1101's
Voltage V0It is biased in dc bus W11And W13On, dc bus W11And W13Between series connection 4 switching tube S voltage stress
The 1/2 of Fig. 3 situations will be changed into.
It should also be noted that, single dc source 110 direct current input concurrently carried out by multiple inversion units it is inverse
After change processing, greater number of level can be exported in multiple coil outputs of inverter circuit module 120, compared to tradition
Multi-level inverter circuit exportable level number it is more, therefore, THD（Total harmonic distortion）Characteristic also accordingly reduces.
It should also be appreciated that being, series-to-parallel converter 100 of the invention can select at least two in three direct current inputs 130
Or two or more combination is used as DC source（Not shown in Fig. 3 and 4）, the inversion unit corresponding to selected direct current input 130
Pipe control signal enable work is switched on and off, or even the inversion unit that non-selected direct current is inputted corresponding to 130 can also be opened
Pipe control signal enable work is closed, therefore, series-to-parallel converter 100 can provide diversified dc power output, meet various
Power demand.
Fig. 5 show the electrical block diagram of the series-to-parallel converter according to further embodiment of this invention, and Fig. 6 show figure
The structural representation of inversion unit in 5.In this embodiment, series-parallel connection of the series-to-parallel converter 200 compared to embodiment illustrated in fig. 1
The main distinction of converter 100 is that the structure of the inversion unit used in inverter circuit module 220 is differed, in Fig. 1 and Fig. 2
Shown, inversion unit is full-bridge H bridge inverter unit 121,122 and 123, and in Fig. 5 and embodiment illustrated in fig. 6, inversion unit is
Half-bridge H bridge inverter unit 221,222 and 223.
As shown in Figure 5 and Figure 6, on wherein one main line of half-bridge H bridge inverter unit it is two switching tube S of setting, another
Two electric capacity C are set on one main line.Respectively, inversion unit 221 is arranged on main line W with two22On switching tube S12
And S14, two be arranged on main line W21Upper electric capacity C11With electric capacity C13, the inductance coil L that is arranged on bridge11, electric capacity C1It is same across
It is connected on dc bus W11And W12Between；Inversion unit 222 has two and is arranged on main line W22On switching tube S22And S24, two
It is individual to be arranged on main line W21Upper electric capacity C21With electric capacity C22, the inductance coil L that is arranged on bridge21, electric capacity C2Equally it is connected across direct current
Bus W12And W13Between；Inversion unit 223 has two and is arranged on main line W22On switching tube S32And S34, two be arranged on
Main line W21Upper electric capacity C31With electric capacity C33, the inductance coil L that is arranged on bridge31, electric capacity C3Equally it is connected across dc bus W13With
W14Between.
This is no longer going to repeat them with the settings of the same parts of series-to-parallel converter 100 in series-to-parallel converter 200, also,
It also has the topological structure of Similarity Class, therefore, it may have the similar effects and advantage of series-to-parallel converter 100.
Fig. 7 show the electrical block diagram of the series-to-parallel converter according to yet another embodiment of the invention.Compare Fig. 1 institutes
Show the series-to-parallel converter 100 of embodiment, the series-to-parallel converter 300 of embodiment shown in Fig. 7 does not have in the quantity that direct current inputs 110
In the case of changing, the inversion unit quantity in inverter circuit module 120 is reduced, wherein, in inverter circuit module 120 only
There is provided inversion unit 121 and 122；Correspondingly, corresponding inductance coil L is decreased in AC/DC translation circuits module 13031
With commutation diode D31And D32.With the setting of the same parts of series-to-parallel converter 100 herein no longer one in series-to-parallel converter 300
One repeats, also, it also has the topological structure of Similarity Class, therefore, it may have similar effects of series-to-parallel converter 100 and excellent
Point.
It is to be appreciated that the quantity of the inversion unit in inverter circuit module 120 is not limited in above example
Equal to or less than the quantity that direct current inputs 110, in other embodiments, the quantity of direct current input 110 is also greater than direct current input 110
Quantity, for example, it is also possible to be set to 4.It will be appreciated that, there are two parallel arrangement of inversion units, and it is each inverse
Become one direct current input 110 of input correspondence connection of unit, the coil output of at least two inversion units is arranged to simultaneously
General DC busbar between in the output of connection, two parallel arrangement of inversion units, so as to realizing the two parallel inversion lists
Formed and be connected in series between the switching tube of member, then form series-parallel connection topological structure, therefore, will also have above series-parallel connection conversion
The advantage of device 100.
The series-to-parallel converter of figure 1 above and embodiment illustrated in fig. 5 is particularly suitable for use in high-voltage charging application scenario, below based on
Charging of the series-to-parallel converter to the electrokinetic cell of vehicle is illustrated.
Fig. 8 show the structural representation of the charging and conversion electric facility according to one embodiment of the invention.The charging and conversion electric facility 10 can
With but be not limited to the vehicle charging and conversion electric facility that is charged to the electrokinetic cell of vehicle（Such as vehicular charging station）, it will be understood that
Arrive, charging and conversion electric facility 10 can also be various charging stations（It is not limited to vehicular charging station）, electrical changing station or energy-accumulating power station（Such as wind-force
Generating or the energy-accumulating power station of solar power generation）Deng.Fig. 8 charging and conversion electric facility 10 has illustratively used embodiment as shown in Figure 1
Series-to-parallel converter 100, the direct current input of series-to-parallel converter 100 is correspondingly arranged as different types of power input, illustratively, is filled
Changing electric facility 10 includes the different types of power inputs such as power network 11, generator 12 and dc source 13；Correspondence power network 11 is exported
Be alternating current, therefore, AC/DC converter 11a are correspondingly arranged in charging and conversion electric facility 10, for by the exchange of power network 11 output
It is transformed to direct current output and is supplied to inverter circuit module 120；What correspondence generator 12 was exported is also alternating current, therefore, fills and changes
AC/DC converter 12a are correspondingly arranged in electric facility 10, for being direct current output by the exchange output transform of power network 11 and providing
To inverter circuit module 120, AC/DC converters 12a can have different model or configuration from AC/DC converters 11a；Correspondence
What dc source 13 was exported is direct current, therefore, DC/DC converter 13a is correspondingly arranged in charging and conversion electric facility 10, for by electricity
The a certain voltage DC output transform of net 11 is that another voltage DC exports and is supplied to inverter circuit module 120, in direct current
In the case of the output voltage in source 13 is suitable, configuration DC/DC converters 13a can also be omitted.AC/DC converters 11a, AC/DC
The dc source of any one or more outputs in converter 12a and DC/DC converter 13a will be supplied to series-to-parallel converter
100 carry out DC-AC-DC conversion and then export direct current in output end 131.Vehicle 900 can be from the defeated of charging and conversion electric facility 10
Go out the power taking at end 131, so as to power battery charging.
Charging and conversion electric facility 10 can have multiple different types of power inputs, and the power supply type that can be inputted is also not necessarily limited to
Power network 11, generator 12 and dc source 13, its can according to the environmental condition of charging and conversion electric facility concrete configuration, dc source
13 can be photovoltaic module, or can even is that the electrokinetic cell of vehicle（Now charging and conversion electric facility 10 can realize one it is electronic
Automobile is another charging electric vehicle）.Therefore, charging and conversion electric facility 10 can compatible various types of power input, appearance
Limitation of the charging and conversion electric facility 10 under special occasions or special environment condition to charging is easily solved, for example, when power network 11 does not have electricity,
User can select access generator 12 to be charged, and can also realize polytype power input simultaneously to charged vehicle
Carry out high-voltage charging, when any one power input such as hinders at the factor power-off for some reason, other power supplys automatically just can be with commitment outside
Supplemental capacity, charging will not be interrupted because of underpower.Therefore, the convenience and robustness of charging, vehicle are greatly improved
The experience of user well, disclosure satisfy that the Vehicular charging demand of various scenes.
It should be appreciated that charging and conversion electric facility 10 is in the series-to-parallel converter 100 using embodiment illustrated in fig. 1, it equally has
The advantage of series-to-parallel converter 100, for example, charging and conversion electric facility 10 can use the relatively low switch of voltage stress grade tubular
It is low into, cost, and with preferable THD characteristics.
It will be understood that, herein, during by part " connection " or " coupled " to another part, it can be directly connected to or coupling
Close another part or there may be intermediate member.On the contrary, when it is said that part " is directly coupled " or " directly connected " to another
During one part, then in the absence of intermediate member.
Example above primarily illustrates the series-to-parallel converter and its charging and conversion electric facility of the present invention.Although only to some of them originally
The embodiment of invention is described, but those of ordinary skill in the art are it is to be appreciated that the present invention can be without departing from it
Implement in spirit and scope in many other forms.Therefore, the example that is shown and embodiment be considered as it is schematical and
Nonrestrictive, in the case where not departing from the spirit and scope of the present invention as defined in appended claims, the present invention can
Various modifications and replacement can be covered.
Claims (14)
1. a kind of series-to-parallel converter, it is used to direct current input being converted to direct current output, it is characterised in that the converter bag
Include：
N number of direct current input, wherein, N is the integer more than or equal to 2, is sequentially connected in series between N number of direct current input, N number of
Any one or at least two combination in direct current input are used for providing DC source for series-to-parallel converter；
Inverter circuit module, it has at least two parallel arrangement of inversion units, wherein, the input of each inversion unit
One of them of the N number of direct current input of end correspondence connection, the coil output of inversion unit described at least two is arranged to
It is general DC busbar between output in parallel, described two parallel arrangement of inversion units, described two parallel so as to realize
Formed and be connected in series between the switching tube of inversion unit；And
AC/DC translation circuit modules, it is used for the AC signal exported to N number of coil output of the inverter circuit module
Carry out rectifying and wave-filtering processing and form direct current output.
2. series-to-parallel converter as claimed in claim 1, it is characterised in that the inverter circuit module has at least N number of parallel
The inversion unit of setting, wherein, the input of N number of inversion unit corresponds to the N number of direct current input of connection, N one by one respectively
The coil output of the individual inversion unit is arranged to adjacent in the output of parallel connection, N number of parallel arrangement of inversion unit
The inversion unit between general DC busbar, so as to realize form series connection between the switching tube of the adjacent inversion unit
Connection.
3. series-to-parallel converter as claimed in claim 2, it is characterised in that the first input end and second of n-th of direct current input
Input connects the first dc bus and the second dc bus of n-th of inversion unit in the inverter circuit module respectively；
The（n+1）The first input end and the second input of individual direct current input connect the in the inverter circuit module respectively（n
+1）The first dc bus and the second dc bus of individual inversion unit；
Wherein, the second input of n-th of direct current input is connected in series the（n+1）The first input end of individual direct current input,
Second dc bus of n-th of direct current input and the（n+1）First dc bus of individual direct current input is shared；
Wherein, n is integer, 1≤n ＜ N.
4. series-to-parallel converter as claimed in claim 1, it is characterised in that N number of direct current of the direct current input with formed objects
Pressure, described two inversion units have identical configuration.
5. series-to-parallel converter as claimed in claim 1, it is characterised in that the inversion unit is single-phase or multiphase full-bridge inverting
Unit or for single-phase or multiphase semi-bridge inversion unit.
6. series-to-parallel converter as claimed in claim 5, it is characterised in that the inversion unit is H bridge inverter unit, described inverse
The coil output for becoming unit is disposed on the bridge of H bridges；
Wherein, the switching tube on the main line of the H bridge inverter unit and the switch on the main line of adjacent H bridge inverter unit
Pipe is connected in series.
7. series-to-parallel converter as claimed in claim 1 or 2, it is characterised in that n-th of N number of direct current input be used for be
When series-to-parallel converter provides DC source, by controlling the switching tube in the inversion unit, make at least one described inversion unit
Work, or inversion unit described at least two is concurrently worked.
8. series-to-parallel converter as claimed in claim 1, it is characterised in that the AC/DC translation circuits module has at least two
Individual coil input end and a DC output end, the coil of two coil input ends respectively with described two parallel inversion units
Output end is coupled.
9. series-to-parallel converter as claimed in claim 8, it is characterised in that each in coil input end described at least two
The middle part of inductance coil is drawn by the first wire, is then commonly connected to the first end of the DC output end；
The two ends of each inductance coil of coil input end described at least two are connected to second by commutation diode respectively
Wire, is then commonly connected to the second end of the DC output end by the second wire.
10. a kind of charging and conversion electric facility, it is characterised in that including：
Series-to-parallel converter as claimed in any one of claims 1-9 wherein；With
The different types of power input of N kinds, it is connected respectively N number of direct current input of the series-to-parallel converter（110）.
11. charging and conversion electric facility as claimed in claim 10, it is characterised in that the power input by AC/DC converters or
DC/DC converters are connected to the corresponding direct current input of the series-to-parallel converter（110）, or it is connected directly to the series-parallel connection conversion
The corresponding direct current input of device.
12. charging and conversion electric facility as claimed in claim 10, it is characterised in that the different types of power input of N kinds includes：
Power network, generator and dc source.
13. charging and conversion electric facility as claimed in claim 12, it is characterised in that the dc source is photovoltaic module or vehicle
Electrokinetic cell.
14. charging and conversion electric facility as claimed in claim 10, it is characterised in that the charging and conversion electric facility is that vehicle charging and conversion electric is set
Apply.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710006492.9A CN107070231B (en) | 2017-01-05 | 2017-01-05 | Series-parallel converter with multiple inputs and charging facility using same |
| PCT/CN2018/070270 WO2018127054A1 (en) | 2017-01-05 | 2018-01-03 | Serial-to-parallel converter having multiple inputs and charge/current conversion appliance using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710006492.9A CN107070231B (en) | 2017-01-05 | 2017-01-05 | Series-parallel converter with multiple inputs and charging facility using same |
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| CN107070231B CN107070231B (en) | 2024-04-09 |
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| WO (1) | WO2018127054A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199601A (en) * | 2018-01-15 | 2018-06-22 | 南京理工大学 | A kind of single-phase cascade ac high frequency chain bidirectional converter modulator approach |
| WO2018127054A1 (en) * | 2017-01-05 | 2018-07-12 | 上海蔚来汽车有限公司 | Serial-to-parallel converter having multiple inputs and charge/current conversion appliance using same |
| CN111884501A (en) * | 2019-10-24 | 2020-11-03 | 株洲中车时代电气股份有限公司 | DC/DC converter |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114860637A (en) * | 2021-01-20 | 2022-08-05 | 华为技术有限公司 | Communication circuit and electronic device |
| CN114726044A (en) * | 2022-04-19 | 2022-07-08 | 华为数字能源技术有限公司 | Power module, charging pile and power supply equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE761543A (en) * | 1970-02-19 | 1971-06-16 | Siemens Ag | SYSTEM FOR FORCED SWITCHING FOR A SELF-PILOT STATIC CONVERTER |
| CN101662230A (en) * | 2009-09-22 | 2010-03-03 | 南京航空航天大学 | Non-contact multiple input voltage source type resonant converter |
| CN103887981A (en) * | 2014-03-20 | 2014-06-25 | 浙江大学 | Full-bridge DC-DC converter |
| CN104777435A (en) * | 2015-02-14 | 2015-07-15 | 东莞市冠佳电子设备有限公司 | Charging and discharging testing device of mobile power supply |
| CN105337489A (en) * | 2015-11-17 | 2016-02-17 | 中国北车集团大连机车研究所有限公司 | DC600V auxiliary power supply device and locomotive |
| CN106026685A (en) * | 2016-05-23 | 2016-10-12 | 清华大学 | Topological structure of three-phase power electronic transformer employing low-fluctuation DC bus capacitors |
| CN206611336U (en) * | 2017-01-05 | 2017-11-03 | 上海蔚来汽车有限公司 | Series-to-parallel converter with multi input and use its charging and conversion electric facility |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5577986B2 (en) * | 2010-09-22 | 2014-08-27 | 株式会社豊田自動織機 | Power supply device and in-vehicle power supply device |
| CN103326393B (en) * | 2012-03-22 | 2016-03-30 | 张家港智电柔性输配电技术研究所有限公司 | A kind of redundant power supply power supply of H bridge cascade converter |
| CN104092382A (en) * | 2014-03-28 | 2014-10-08 | 燕山大学 | Three-input-isolation DC/DC converter |
| CN107070231B (en) * | 2017-01-05 | 2024-04-09 | 上海蔚来汽车有限公司 | Series-parallel converter with multiple inputs and charging facility using same |
-
2017
- 2017-01-05 CN CN201710006492.9A patent/CN107070231B/en active Active
-
2018
- 2018-01-03 WO PCT/CN2018/070270 patent/WO2018127054A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE761543A (en) * | 1970-02-19 | 1971-06-16 | Siemens Ag | SYSTEM FOR FORCED SWITCHING FOR A SELF-PILOT STATIC CONVERTER |
| CN101662230A (en) * | 2009-09-22 | 2010-03-03 | 南京航空航天大学 | Non-contact multiple input voltage source type resonant converter |
| CN103887981A (en) * | 2014-03-20 | 2014-06-25 | 浙江大学 | Full-bridge DC-DC converter |
| CN104777435A (en) * | 2015-02-14 | 2015-07-15 | 东莞市冠佳电子设备有限公司 | Charging and discharging testing device of mobile power supply |
| CN105337489A (en) * | 2015-11-17 | 2016-02-17 | 中国北车集团大连机车研究所有限公司 | DC600V auxiliary power supply device and locomotive |
| CN106026685A (en) * | 2016-05-23 | 2016-10-12 | 清华大学 | Topological structure of three-phase power electronic transformer employing low-fluctuation DC bus capacitors |
| CN206611336U (en) * | 2017-01-05 | 2017-11-03 | 上海蔚来汽车有限公司 | Series-to-parallel converter with multi input and use its charging and conversion electric facility |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018127054A1 (en) * | 2017-01-05 | 2018-07-12 | 上海蔚来汽车有限公司 | Serial-to-parallel converter having multiple inputs and charge/current conversion appliance using same |
| CN108199601A (en) * | 2018-01-15 | 2018-06-22 | 南京理工大学 | A kind of single-phase cascade ac high frequency chain bidirectional converter modulator approach |
| CN111884501A (en) * | 2019-10-24 | 2020-11-03 | 株洲中车时代电气股份有限公司 | DC/DC converter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107070231B (en) | 2024-04-09 |
| WO2018127054A1 (en) | 2018-07-12 |
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