CN109639173A - The double CUK bucks of modularization export the combined inverter of inverse parallel - Google Patents
The double CUK bucks of modularization export the combined inverter of inverse parallel Download PDFInfo
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- CN109639173A CN109639173A CN201811546755.6A CN201811546755A CN109639173A CN 109639173 A CN109639173 A CN 109639173A CN 201811546755 A CN201811546755 A CN 201811546755A CN 109639173 A CN109639173 A CN 109639173A
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- cuk
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- inductance
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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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
-
- 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
- H02M3/005—Conversion of dc power input into dc power output using Cuk converters
-
- 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
-
- 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
- H02M3/1557—Single ended primary inductor converters [SEPIC]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a kind of double CUK bucks of modularization to export the combined inverter of inverse parallel, which is to be composed two SEPIC converters by input parallel connection, output inverse parallel.Each CUK converter exports half of sine wave, is combined into a complete sine wave.Double CUK buck output combined inverters of inverse parallel are modulated using unipolarity, switching device S1、S2、S3And S4All using full-controlled device.Switching device S1/S2The conducting shutdown of the positive group converter of control, switching device S3/S4Control the conducting shutdown of reverse group converter.Switching device S2/S4For gating positive/negative group of converter, switching device S1/S3For controlling the sinusoidal voltage of positive/negative group of output half period.The inverter can realize boosting and decompression inversion, wide input voltage range has good adaptability to photovoltaic cell voltage change, and transfer efficiency is higher, and system is simple, can modularized production, it is at low cost, can be widely applied to grid-connected photovoltaic system.
Description
Technical field
The present invention relates to the inverters in a kind of electrical energy changer, and in particular to a kind of double CUK bucks of modularization are defeated
The combined inverter of inverse parallel out.
Background technique
In recent years, in order to cope with energy crisis and environmental pollution, the new energy such as solar energy, wind energy are widely applied.
The extraneous factors such as new energy climate, meteorology and environment are affected, it is meant that the voltage change range that it is exported is larger,
Ask inverter that can work normally in wide input voltage range.To solve the above-mentioned problems, traditional solar energy power generating
System mostly uses greatly two-stage type grid-connected photovoltaic inverter, which is mainly isolated DC/DC converter and rear class by preceding stage high frequency
Net side inverter is constituted, the boost in voltage for exporting photovoltaic array before generating electricity by way of merging two or more grid systems, then accesses net side inverter, but increased
Boost conversion circuit will lead to system structure complication, increase the volume and weight of complete machine, be unfavorable for the work of raising system
Efficiency.Single stage type inverter is more and more widely used in solar photovoltaic generation system, compared to two-stage type light
Gird-connected inverter is lied prostrate, single-stage inverter can preferably reduce the complexity of system, save cost, improve reliability.
Application No. is the output of 201010201172 double CUK bucks and type inverters, are formed using two CUK converters
A kind of single-stage inverter that can not only boost but also can be depressured, input direct-current side voltage be higher or lower than output AC voltage
When peak-peak value, such inverter remains to work normally, and has wider input voltage range；Using monocycle control method,
There is stronger rejection ability to the fluctuation of input side voltage.But since entire inverter is an entirety, any one device
Damage is both needed to integral replacing, maintenance complexity and higher cost in replacement；In addition, due to the first cuk converter and the 2nd CUK electricity
The input voltage value on road is the half of external power supply voltage value, on the one hand, when causing output voltage constant, external power supply voltage
It is worth higher；On the other hand, external power supply be easy to cause DC voltage to press unevenly, to reduce output by capacitance partial pressure
Quality of voltage.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of double CUK buck output combined inverters of inverse parallel of modularization, adopt
With two antiparallel connection types of CUK converter output terminal, and half cycle control strategy is applied, realizes single-stage DC/AC inversion.Half
Double CUK single-stage inverters of week control, operating current only pass through single CUK translation circuit, and the device flowed through is few, is conducive to improve
Conversion efficiency.
To solve the above problems, the technical scheme adopted by the invention is as follows: the double CUK buck output inverse parallel combinations of modularization
Type inverter, including input parallel circuit unit, the identical CUK of circuit structure are just organizing output unit and CUK reverse group output unit；
Input parallel circuit unit includes power supply and first diode, and CUK is just organizing output unit and CUK reverse group output unit, CUK electricity
The input terminal on road is connected to power supply；CUK is just being organized in output unit/CUK reverse group output unit, positive pole and the first inductance
One end connection, the other end of the first inductance are connect with the collector of capacitor and modulation power switch, the other end of capacitor and the
The connection of one end of the anode of two power diodes and the second inductance, the other end of the second inductance by select universal power switching tube with
Load is connected, and the cathode connection of the emitter and the second power diode of modulation power switch tube is commonly connected to the first function
The anode of rate diode, the cathode of the first power diode and the cathode of power supply connect；It is defeated that CUK is just organizing output unit/CUK reverse group
The output of unit is controlled by gating switch out, output termination storage capacitor and load resistance to be connected in parallel point, CUK reverse group defeated
The output end reversal connection storage capacitor of unit and being connected in parallel a little for load resistance out.
CUK is just organizing the first inductance in output unit and the second inductance may couple to same magnetic core, CUK reverse group output unit
In the first inductance and the second inductance also may couple to same magnetic core, two magnetic cores are mutually indepedent.Made individually by the method for coupling
The capacity and volume of inductance can reduce, and reduce the whole quantity for using magnetic core.According to conventional separate inductor structure, body
Product is larger, but device replacement is flexibly, can according to circumstances determine form used by the first inductance and the second inductance.
The inverter input voltage is wide input voltage, and the size of power supply can be below or above the peak of output AC voltage
Value.
The inverter uses half cycle control methods, and CUK is just organizing modulation power switch tube in output unit, universal power is selected to open
It closes and manages the conducting shutdown that CUK processed is just organizing output unit, modulation power switch tube, gating are diligent in CUK reverse group output unit
The conducting of rate switch controlled CUK reverse group output unit turns off, in positive half period and negative half-cycle, CUK just organizing output unit,
It selects universal power switching tube to keep long logical respectively in CUK reverse group output unit, gates CUK respectively and just organizing output unit, CUK
Reverse group output unit, the driving signal of modulation power switch tube is modulated by SPWM to be generated, so that controlling CUK just organizes output list
Member and CUK reverse group output unit export sinusoidal voltage positive half cycle and sinusoidal voltage negative half period respectively.
The present invention is a kind of single-stage inverter that can not only boost but also can be depressured formed using two CUK converters,
Single-stage buck inversion output can be achieved, within the scope of the wide input direct-current voltage below or above output AC voltage peak value
It can work normally；Compared with other DC/DC translation circuits, the input side and outlet side of CUK converter have inductance, are easy to protect
The electric current for demonstrate,proving input side and outlet side is continuous, and its circuit parameter selection principle in DC/DC transformation can be transplanted to it is inverse
Become in device, guarantees that double CUK output units work in discontinuous conduction mode, work normally circuit；To photovoltaic cell voltage change
There is good adaptability, and transfer efficiency is higher, system is simple, and it is at low cost, it can be widely applied to small-power parallel network power generation
System.
The double CUK bucks of modularization proposed by the invention export the combined inverter of inverse parallel, including three separate singles
Member: input parallel circuit unit, CUK are just organizing output unit and CUK reverse group output unit, wherein CUK just organizing output unit and
CUK reverse group output unit circuit structure is identical, is convenient for modularized production, its institute can be directly replaced in a certain parts damages
In module, maintenance is efficient and convenient, reduces use cost, reduces maintenance time.In addition, the present invention is greatly improved inverter
Maximum output voltage.
Detailed description of the invention
Fig. 1 is the electrical block diagram of the double CUK buck output combined inverters of inverse parallel of modularization of the present invention；
Fig. 2-7 is six working stage moulds of the double CUK buck output combined inverters of inverse parallel of modularization of the present invention
State schematic diagram；
Fig. 8 is the driving of the power switch tube of the double CUK buck output combined inverters of inverse parallel of modularization of the present invention
Waveform diagram；
Fig. 9 is positive group of driving signal S of the double CUK buck output combined inverters of inverse parallel of modularization of the present invention1、S2
With output voltage VOWaveform diagram；
Figure 10 is that the double CUK buck output combined inverters of inverse parallel of modularization of the present invention are just organizing inductive current iL1、iL10
With output voltage VOWaveform diagram；
Figure 11 is the double CUK buck output combined inverter control schemes of inverse parallel of modularization of the present invention；
Figure 12 is the double CUK buck output grid-connected control programs of the combined inverter of inverse parallel of modularization of the present invention；
Primary symbols title in above-mentioned attached drawing: 1. input parallel circuit units；2.CUK just organizes output unit；3.CUK
Reverse group output unit；C1~C2--- CUK converter capacitor, C --- output filter capacitor.D1、D10、D2、D20--- two pole of power
Pipe, L1、L10、L2、L20--- linear inductance.S1~S4--- power switch tube, E --- inverter input voltage, that is, DC side are female
Line voltage；R --- load impedance.Vref--- reference voltage.iref--- reference current.Ip--- grid-connected current amplitude.
Vgrid--- grid-connected voltage.I0--- grid-connected current actual value.Ipv--- photovoltaic module electric current.Vpv--- photovoltaic module voltage.
Specific embodiment
As shown in Fig. 1, the double CUK bucks of modularization export the combined inverter of inverse parallel, including input parallel circuit
The identical CUK of unit 1, circuit structure is just organizing output unit 2 and CUK reverse group output unit 3；Inputting parallel circuit unit 1 includes
Power supply E and the first power diode, CUK is just organizing output unit 2 and the input terminal of CUK reverse group output unit 3 is connected to power supply
E；CUK is just being organized in output unit 2/CUK reverse group output unit 3, the first power diode D1/D2Cathode connect the cathode of power supply E,
Anode connects modulation power switch tube S1/S3Emitter and the second power diode D10/D20Cathode, then with the one of load
End is connected, and power switch tube S is used in modulation1/S3Collector and the first inductance L1/L2One end and capacitor C1/C2One end connect
It connects, the first inductance L1/L2Another termination power E anode, the second power diode of other end D of capacitor10/D20Anode
With the second inductance L10/L20One end, the second inductance L10/L20Other end selecting universal power switching tube S2/S4Emitter,
Select universal power switching tube S2/S4Collector with load be connected；CUK is just organizing the voltage output termination storage capacitor of output unit 2
The voltage output end reversal connection storage capacitor C for being connected in parallel point AB, CUK reverse group output unit 3 and load electricity of C and load resistance R
Resistance R's is connected in parallel point AB.CUK is just organizing the first inductance L in output unit 21With the second inductance L10It is coupled in same magnetic core,
Independent inductance, the first inductance L in CUK reverse group output unit 3 can be used2With the second inductance L20Also it is coupled in same magnetic core,
Independent inductance can also be used, according to coupled modes, positive group and two magnetic core of reverse group are mutually indepedent.
The inverter uses half cycle control methods, and power switch tube S is used in modulation1With select universal power switching tube S2Control CUK just
Power switch tube S is used in the conducting shutdown of group output unit 2, modulation3With select universal power switching tube S4It is single to control the output of CUK reverse group
The conducting shutdown of member 3, selects universal power switching tube S2And S4It is respectively used to gating CUK and is just organizing output unit 2 and the output of CUK reverse group
Power switch tube S is used in unit 3, modulation1And S3It is respectively used to control CUK and is just organizing output unit 2 and the output of CUK reverse group output unit 3
The positive and negative half cycle of sinusoidal voltage.
Elected universal power switching tube S2Conducting, selects universal power switching tube S4When shutdown, CUK is just organizing 2 work of output unit
Make, CUK reverse group output unit 3 does not work.Circuit includes three working stages at this time:
Working stage I
As shown in Fig. 2, power switch tube S is used in first stage modulation1Conducting, DC voltage source E is to the first inductance L1It fills
Electricity, the first inductive current iL1Linear increase；Capacitor C at the same time1By modulation power switch to the second inductance L10Charging and
To load supplying, the second inductive current i is flowed throughL10Linear increase；Second inductance L10Energy storage increases, the second power diode D10No
Conducting, storage capacitor C power to load resistance R, and storage capacitor C voltage increases, because storage capacitor C is larger, therefore storage capacitor C electricity
Pressure increases seldom, can be approximately considered VC=VO, VOFor output voltage.
Working stage II
As shown in Fig. 3, power switch tube S is used in second stage modulation1It disconnects, DC voltage source E, the first inductance L1, capacitor
C1With the second diode D10Charge circuit 1 is formed, power supply E passes through the first inductance L1Give capacitor C1Charging, the second inductance L10,
Two power diode D10, capacitor C and gating switch constitute circuit 2, the second inductance L10It charges to storage capacitor C, the second inductance electricity
Flow iL10Linear decline.
Working stage III
As shown in Fig. 4, power switch tube S is used in phase III modulation1It disconnects, DC voltage source E, the first inductance L1, capacitor
C1With the second diode D10Charge circuit 1 is formed, power supply E passes through the first inductance L1Give capacitor C1Charging, the second inductance L10Electricity
Stream is reduced to zero, capacitor C powering load.
Elected universal power switching tube S4Conducting, selects universal power switching tube S2When shutdown, 3 work of CUK reverse group output unit
Make, CUK is just organizing output unit 2 and do not working.Circuit includes three working stages at this time:
Working condition IV, V, VI
As shown in attached drawing 5, attached drawing 6, attached drawing 7, the same positive group of device working principle.Control modulation power switch tube S3
Conducting shutdown, makes the negative half period of the voltage sinusoidal voltage of A, B point-to-point transmission.Select universal power switching tube S2When conducting, CUK is just
Group output unit 2 exports the positive half cycle of sinusoidal voltage and selects universal power switching tube S4When conducting, CUK reverse group output unit 3 is defeated
It is exactly complete sinusoidal voltage output that sinusoidal voltage negative half period out, which is combined,.
To realize the above-mentioned course of work, inverter control scheme is as shown in Fig. 11, is modulated using unipolarity, driving signal
S2And S4What control CUK was just organizing output unit 2 and CUK reverse group output unit 3 respectively selects universal power to switch, and can be given by detection
The zero crossing for determining signal realizes that CUK is just organizing output unit 2 and CUK reverse group output unit 3 replaces switch operating；Driving signal S1With
S3Control CUK is just organizing the modulation power switch of output unit 2 and CUK reverse group output unit 3 respectively, and Unipolar SPWM can be used
Modulation generates, it is ensured that the combined inverter output of the double CUK buck output inverse parallels of modularization sinusoidally changes；S2With
S4Using complementary ON operation mode, the positive/negative half cycle of corresponding sinusoidal voltage can be added dead between two driving signals when necessary
Area's delay jeopardizes equipment safety to prevent straight-through.The double CUK buck output inverse parallels of half cycle control moduleization are combined
The positive group of output unit and reverse group output unit of inverter export the positive and negative half cycle of sinusoidal voltage, such cyclic switching work respectively
Make to be exportable complete sinusoidal voltage waveform.
Claims (4)
1. the double CUK bucks of modularization export the combined inverter of inverse parallel, which is characterized in that including inputting parallel circuit unit
(1), the identical CUK of circuit structure is just organizing output unit (2) and CUK reverse group output unit (3)；It inputs parallel circuit unit (1)
Power supply (E) is connected to including power supply (E), the CUK input terminal for just organizing output unit (2) and CUK reverse group output unit (3)；CUK
In positive group output unit (2)/CUK reverse group output unit (3), the first inductance (L1/L2) the anode of one end and power supply (E) connect,
The other end and modulation power switch tube (S1/S3) collector and capacitor (C1/C2) one end, modulation use power switch tube (S1/
S3) emitter and the first power diode (D1/D2) anode and the second power diode (D10/D20) cathode connection, the
One power diode (D1/D2) cathode meet the cathode of power supply (E), the second power diode (D10/D20) anode connect capacitor
(C1/C2) the other end and the second inductance (L10/L20) one end, the second inductance (L10/L20) the other end connection select universal power
Switching tube (S2/S4) emitter；CUK is just organizing the output of output unit (2)/CUK reverse group output unit (3) by selecting universal power
Switching tube (S2/S4) control, CUK just organizing output unit (2) voltage output termination storage capacitor (C) and load resistance (R) and
Join tie point (AB), CUK reverse group output unit (3) voltage output end reversal connection storage capacitor (C) and load resistance (R) parallel connection
Tie point (AB).
2. the double CUK bucks of modularization according to claim 1 export the combined inverter of inverse parallel, which is characterized in that
CUK is just organizing the first inductance (L in output unit (2)1) and the second inductance (L10) it is coupled in same magnetic core, the output of CUK reverse group is single
The first inductance (L in first (3)2) and the second inductance (L20) it is coupled in same magnetic core, two magnetic cores are mutually indepedent.
3. the double CUK bucks of modularization according to claim 1 export the combined inverter of inverse parallel, which is characterized in that
The inverter input voltage is wide input voltage, and the size of power supply (E) can be below or above the peak value of output AC voltage.
4. the double CUK bucks of modularization according to claim 1 export the combined inverter of inverse parallel, which is characterized in that
The inverter uses half cycle control methods, and CUK is just organizing modulation power switch tube (S in output unit (2)1), select universal power to open
Close pipe (S2) the conducting shutdown that CUK is just organizing output unit (2) is controlled, power switch tube is used in modulation in CUK reverse group output unit (3)
(S3), select universal power switching tube (S4) control CUK reverse group output unit (3) conducting shutdown, just organized in positive half period CUK defeated
Universal power switching tube (S is selected in unit (2) out2) keeping long logical, gating CUK is just organizing output unit (2), and modulation is opened with power
Close pipe (S1) driving signal by SPWM modulate generate, control CUK just organizing output unit (2) output sinusoidal voltage positive half cycle；?
Universal power switching tube (S is selected in negative half-cycle CUK reverse group output unit (3)4) keeping long logical, gating CUK reverse group output is single
First (3), modulation power switch tube (S3) driving signal by SPWM modulate generate, control CUK reverse group output unit (3) output
Sinusoidal voltage negative half period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546755.6A CN109639173A (en) | 2018-12-18 | 2018-12-18 | The double CUK bucks of modularization export the combined inverter of inverse parallel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546755.6A CN109639173A (en) | 2018-12-18 | 2018-12-18 | The double CUK bucks of modularization export the combined inverter of inverse parallel |
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| CN109639173A true CN109639173A (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274695A1 (en) * | 2021-07-01 | 2023-01-05 | HELLA GmbH & Co. KGaA | Capacitively isolated dc-dc converter, system, battery and vehicle comprising said dc-dc converter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895223A (en) * | 2010-06-11 | 2010-11-24 | 燕山大学 | Double-Cuk buck-boost output parallel-type converter |
| CN203243245U (en) * | 2013-01-10 | 2013-10-16 | 中国石油大学(华东) | Novel DC/AC inverter based on BUCK-BOOST circuit |
| CN207440027U (en) * | 2017-11-21 | 2018-06-01 | 上海传昊仪器有限公司 | A kind of new thermal conductivity cell detector power supply circuit |
-
2018
- 2018-12-18 CN CN201811546755.6A patent/CN109639173A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895223A (en) * | 2010-06-11 | 2010-11-24 | 燕山大学 | Double-Cuk buck-boost output parallel-type converter |
| CN203243245U (en) * | 2013-01-10 | 2013-10-16 | 中国石油大学(华东) | Novel DC/AC inverter based on BUCK-BOOST circuit |
| CN207440027U (en) * | 2017-11-21 | 2018-06-01 | 上海传昊仪器有限公司 | A kind of new thermal conductivity cell detector power supply circuit |
Non-Patent Citations (2)
| Title |
|---|
| RONG CHEN， ET AL: "Half Load-Cycle Worked Dual SEPIC Single-Stage Inverter", 《J ELECTR ENG TECHNOL》 * |
| 王欣: "宽输入电压范围的新型双 Cuk 逆变器", 《中国优秀硕士学位论文全文数据库 工程科技II辑 C042-177》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274695A1 (en) * | 2021-07-01 | 2023-01-05 | HELLA GmbH & Co. KGaA | Capacitively isolated dc-dc converter, system, battery and vehicle comprising said dc-dc converter |
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