CN106655863B - A kind of isolated form inverter based on improvement push-pull circuit - Google Patents
A kind of isolated form inverter based on improvement push-pull circuit Download PDFInfo
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- CN106655863B CN106655863B CN201510740138.XA CN201510740138A CN106655863B CN 106655863 B CN106655863 B CN 106655863B CN 201510740138 A CN201510740138 A CN 201510740138A CN 106655863 B CN106655863 B CN 106655863B
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- 239000003990 capacitor Substances 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
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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
- 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
- H02M7/5387—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 in a bridge configuration
-
- 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
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
- H02M3/33569—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 several active switching elements
- H02M3/33576—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 several active switching elements having at least one active switching element at the secondary side of an isolation transformer
-
- 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
-
- 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
- H02M1/007—Plural converter units in cascade
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of based on the isolated form inverter for improving push-pull circuit, including DC power supply, input filter capacitor, main switch, isolating transformer, rectification circuit, filter circuit, polarity reversion inverter bridge, load and auxiliary circuit.The present invention makes auxiliary circuit assume responsibility for the power ripple that load end generates by the control of switch tube, it is ensured that input power is DC quantity, to achieve the purpose that reduce two double frequency power ripple of direct current input side.
Description
Technical field
The present invention relates to a kind of based on the isolated form inverter for improving push-pull circuit.
Background technique
In recent years, the mankind increasingly pay attention to natural environment, cleaning, efficient, sustainable development new energy power technology
It attracts wide attention, some inverter topologies and control program about generation of electricity by new energy has occurred.Such as 1 institute of attached drawing
Show, typical single-phase recommends inverter to be a kind of.For this system, the two double frequency power arteries and veins that contain in output AC power
It is dynamic will necessarily feedback transmission to direct current input side, influence the service life of the input sources such as battery, fuel cell, meeting when serious
The stability of DC power system is interfered, therefore solves the power ripple problem in grid-connected power generation system, improves new energy
Utilization efficiency is very urgent.Although this low-frequency ripple can be filtered out with big electrolytic capacitor, in high temperature operating conditions
Under, frequent charge and discharge will lead to the decline of its service life to electrolytic capacitor for a long time, it is contemplated that arriving the service life of inverter
And power density, it is not recommended to use electrolytic capacitor.LC resonance circuit is accessed in circuit, by designing resonant circuit frequency
For twice of output frequency, the purpose for reducing twice of power ripple also may be implemented, but inductance needed for filtering out low-frequency ripple and
Capacitor volume is all bigger, reduces the reliability and power density of system.To sum up, these commonly rely on passive device
Part reduce power ripple method, often all there is volumes it is big, at high cost the problems such as.And active power filtering is accessed in circuit
Device, additional increased circuit are necessarily required to additional control system, so that whole system is all become complex, be unfavorable for one
Change.Auxiliary circuit is embedded into original converter, and then is suitably modified original control method and realizes input side power line
The reduction of wave is very advantageous.
Summary of the invention
It is an object of the invention to provide one kind for technological deficiency present in above-mentioned inverter to recommend electricity based on improvement
The isolated form inverter on road, the inverter not only may be implemented direct current and become exchange, but also can reduce twice of direct current input side
Frequency power ripple.
The present invention to achieve the above object, adopts the following technical scheme that
It is of the invention a kind of based on the isolated form inverter for improving push-pull circuit, including DC power supply, input filter capacitor,
Main switch, isolating transformer, rectification circuit, filter circuit, polarity invert inverter bridge and load, and wherein main switch includes
Two switching tubes, isolating transformer include three windings, the anode of DC power supply, one end of input filter capacitor, the first winding
Same Name of Ends and the different name end of the second winding be connected, it is the cathode of DC power supply, the other end of input filter capacitor, first main
The emitter of the emitter of switching tube and the second main switch is connected, and the different name of the first winding terminates the first main switch
Collector, the collector of second main switch of termination of the same name of the second winding, rectification circuit include four diodes, and first is whole
Anode, the cathode of the second rectifier diode of stream diode are connected with the Same Name of Ends of the tertiary winding, third rectifier diode
Anode, the cathode of the 4th rectifier diode are connected with the different name end of the tertiary winding, the first rectifier diode and third rectification two
The cathode of pole pipe connects and composes the positive output end of rectification circuit, the anode company of the second rectifier diode and the 4th rectifier diode
The negative output terminal for constituting rectification circuit is connect, filter circuit includes filter inductance and filter capacitor, and it includes four that polarity, which inverts inverter bridge,
A switching tube, the positive output end of a termination rectification circuit of filter inductance, the other end of filter inductance, filter capacitor one end,
The collector of first switch tube is connected with the collector of third switching tube, the other end of filter capacitor, rectification circuit bear it is defeated
The emitter of outlet, the emitter of second switch and the 4th switching tube is connected, and the emitter of first switch tube, second open
The collector for closing pipe is connected with one end of load constitutes positive output end, the current collection of the emitter of third switching tube, the 4th switching tube
Pole is connected with the other end of load constitutes negative output terminal, it is characterised in that:
It further include active auxiliary circuit；Wherein active auxiliary circuit include three booster diodes, three auxiliary switches,
Auxiliary induction and auxiliary capacitor, one end of auxiliary induction, the anode of DC power supply, the second booster diode cathode and third
The anode of booster diode is connected, the other end of auxiliary induction, the anode of the first booster diode and third auxiliary switch
Collector be connected, the anode of auxiliary capacitor, the cathode of the first booster diode, the first auxiliary switch collector and
The collector of second auxiliary switch is connected, the negative terminal of auxiliary capacitor, the anode of the second booster diode and third auxiliary two
The cathode of pole pipe is connected, and the emitter of the first auxiliary switch connects the Same Name of Ends of the second winding, the hair of the second auxiliary switch
Emitter-base bandgap grading connects the different name end of the first winding, and the emitter of third auxiliary switch connects the emitter of the second main switch.
Technical characteristics of the present invention compared with original technology are, due to increasing active auxiliary circuit, to pass through control
Switching tube makes exchange output loading end bring power ripple flow through auxiliary circuit, and power input only has dc power, thus
Achieve the purpose that reduce two double frequency power ripple of input side.
Detailed description of the invention
Attached drawing 1 is that traditional single phase recommends inverter circuit structural schematic diagram.
Attached drawing 2 is a kind of isolated form inverter circuit structural schematic diagram based on improvement push-pull circuit of the invention.
Attached drawing 3 is a kind of isolated form inverter key operation waveforms schematic diagram based on improvement push-pull circuit of the invention.
Attached drawing 4 is a kind of isolated form inverter input-output power relationship signal based on improvement push-pull circuit of the invention
Figure.
5~Figure 12 of attached drawing is that a kind of each switch mode based on the isolated form inverter for improving push-pull circuit of the invention is shown
It is intended to.
Primary symbols title in above-mentioned attached drawing: Vin, supply voltage.Sm1、Sm2、Sx1~Sx3、S1~S4, power switch
Pipe.Dx1~Dx3, booster diode.Cin, input filter capacitor.Cx, auxiliary capacitor.Lx, auxiliary induction.Tr, isolating transformer.
N1、N2、N3, isolating transformer winding.D1~D4, rectifier diode.Lf, filter inductance.Cf, filter capacitor.RL, load.
Specific embodiment
The technical solution of invention is described in detail with reference to the accompanying drawing:
It is attached it is shown in Fig. 2 be it is a kind of based on improve push-pull circuit isolated form inverter circuit structural schematic diagram.By direct current
Power supply, input filter capacitor 1, main switch 2, isolating transformer 3, rectification circuit 4, filter circuit 5, polarity invert inverter bridge
6, load 7 and auxiliary circuit 8 form.Sm1、Sm2、Sx1~Sx3It is five power switch tubes, LxIt is auxiliary induction, CxIt is auxiliary electricity
Hold, Dx1~Dx3It is booster diode, TrIt is isolating transformer, D1~D4It is rectifier diode, LfIt is filter inductance, CfIt is filtering
Capacitor, S1~S4It is inverse switch pipe, RLFor load.
Concrete operating principle of the invention is described in conjunction with 3~attached drawing of attached drawing 12.Entire inverter work exists known to attached drawing 3
Under both of which, it is [t respectively that the next switch periods of mode 1, which have 4 kinds of switch mode,10-t11]、[t11-t12]、[t12-t13]、
[t13-t14], it is [t respectively that the next switch periods of mode 2, which have 6 kinds of switch mode,20-t21]、[t21-t22]、[t22-t23]、
[t23-t24]、[t24-t25]、[t25-t26].The working condition of each switch mode is made a concrete analysis of below.
Before analysis, first make the following assumptions: 1. all switching tubes and diode are ideal component；2. ignoring isolation to become
The leakage inductance of depressor.
In mode 1, output power is directly provided by DC power supply, and in addition to this extra DC power supply terminal input power is then
It is finally stored on auxiliary capacitor by auxiliary circuit, as shown in attached drawing 4, region A and region B are respectively indicated and exported in mode 1
Required power and extra power.In mode 2, DC power supply terminal input power passes to secondary side through push-pull circuit, but this is defeated
Enter underpower and provide output required power with complete, wherein insufficient part is then by the auxiliary electricity of energy storage in mode 1
Hold and provide, region C and region D respectively indicate the power that DC input power and auxiliary capacitor discharge in mode 2.Pass through control
The power ripple that load-side generates flows to auxiliary circuit, it is ensured that DC power supply terminal input power is DC quantity, so that it may which realization subtracts
The purpose of small direct current input side power ripple.
The working condition of switch mode each under mode 1 is made a concrete analysis of below.
1. switching 1 [t of mode10-t11] [corresponding to attached drawing 5]
Sm1Open-minded, a part of A of DC power supply terminal input power is transmitted to transformer secondary, another part power B flow direction
Auxiliary circuit is finally stored in auxiliary capacitor CxOn.Due to S in auxiliary circuitx3Control be independently of inverter, attached drawing 3
In do not provide Sx3Driving signal.
2. switching 2 [t of mode11-t12] [corresponding to attached drawing 6, attached drawing 7]
t11Moment turns off Sm1, auxiliary circuit works on, until extra power B is transferred completely into auxiliary capacitor CxOn
When Sx3Shutdown.Attached drawing 6 is that auxiliary capacitor passes through auxiliary switch Sx3Inverter mode schematic diagram when charging.Supplemented by attached drawing 7
Inverter mode schematic diagram when circuit being helped not work.Identical both attached drawing 6 and attached drawing 7 are the filtering of isolating transformer pair side
Inductive current passes through rectifier diode afterflow, and difference is the working condition of primary side auxiliary circuit.
3. switching 3 [t of mode12-t13] [corresponding to attached drawing 8]
Due in push-pull circuit, the corresponding switching tube of two windings of isolating transformer primary side is in a switch periods
It works alternatively, so this stage, Sm2Open-minded, a part of A of DC power supply terminal input power is still transmitted to transformer secondary,
Another part power B then flows to auxiliary circuit.
4. switching 4 [t of mode13-t14] [corresponding to attached drawing 6, attached drawing 7]
This mode is as 1 lower switch mode 2 of mode.
The working condition of switch mode each under mode 2 is made a concrete analysis of below.In this mode, S in auxiliary circuitx3
It is not open-minded.
1. switching 1 [t of mode20-t21] [corresponding to attached drawing 9]
Sm1Open-minded, DC power supply terminal input power C is all transmitted to transformer secondary.
2. switching 2 [t of mode21-t22] [corresponding to attached drawing 10]
t21Moment turns off Sm1, open Sx1, auxiliary capacitor CxIt is greater than input power to transformer secondary transmitting output power
Whole power needed for part D, i.e. DC power supply terminal input power are not enough to provide output, insufficient part is by under mode 1
The auxiliary capacitor to have charged provides.
3. switching 3 [t of mode22-t23] [corresponding to attached drawing 7]
t22Moment turns off Sx1.This mode is as 1 lower switch mode 2 of mode, isolating transformer pair side filter inductance electric current
Pass through rectifier diode afterflow.
4. switching 4 [t of mode23-t24] [corresponding to attached drawing 11]
This stage, Sm2Open-minded, as 2 lower switch mode 1 of mode, DC power supply terminal input power C is all transmitted to change
Depressor pair side.
5. switching 4 [t of mode24-t25] [corresponding to attached drawing 12]
In push-pull circuit, two main switch Sm1And Sm2Alternate conduction, then corresponding auxiliary switch Sx1And Sx2Also it hands over
For conducting.So this stage, Sx2It is open-minded, auxiliary capacitor CxSupplement input power is not enough to be supplied to the part D of output power.
6. switching 4 [t of mode25-t26] [corresponding to attached drawing 7]
t25Moment turns off Sx2, isolating transformer pair side filter inductance electric current pass through rectifier diode afterflow.
It is from above description it is known that proposed by the present invention a kind of based on the isolated form inversion utensil for improving push-pull circuit
There is the advantages of following several respects:
1) due to increasing active auxiliary circuit, lead to two frequency multiplication pulsating power of output power bring from auxiliary circuit
It crosses, to achieve the effect that reduce DC supply input side power ripple.
2) it is suitble to low-voltage, high-current to input occasion, even if increasing auxiliary circuit, transformer also still two-way magnetization can be with
It is automatically performed reset.
3) voltage stress of polarity reversion converter bridge switching parts pipe is low and is zero-voltage and zero-current switch, improves inverter
Efficiency.
Claims (1)
1. a kind of based on the isolated form inverter for improving push-pull circuit, including DC power supply, input filter capacitor (1), main switch
(2), isolating transformer (3), rectification circuit (4), filter circuit (5), polarity reversion inverter bridge (6) and load (7) are managed, wherein leading
Switching tube (2) includes two switching tubes, and isolating transformer (3) includes three windings, anode, the input filter capacitor of DC power supply
(1) the Same Name of Ends of one end, the first winding and the different name end of the second winding is connected, cathode, the input filter electricity of DC power supply
The other end, the emitter of the first main switch and the emitter of the second main switch for holding (1) are connected, the different name of the first winding
Terminate the collector of the first main switch, the collector of second main switch of termination of the same name of the second winding, rectification circuit (4) packet
Four diodes are included, the anode of the first rectifier diode, the cathode of the second rectifier diode are connected with the Same Name of Ends of the tertiary winding
It connects, the anode of third rectifier diode, the cathode of the 4th rectifier diode are connected with the different name end of the tertiary winding, the first rectification
The cathode of diode and third rectifier diode connects and composes the positive output end of rectification circuit (4), the second rectifier diode and
The anode of four rectifier diodes connects and composes the negative output terminal of rectification circuit (4), and filter circuit (5) includes filter inductance and filtering
Capacitor, it includes four switching tubes, the positive output end of termination rectification circuit (4) of filter inductance, filter that polarity, which inverts inverter bridge (6),
The other end of wave inductance, one end of filter capacitor, first switch tube collector be connected with the collector of third switching tube, filter
The other end of wave capacitor, the negative output terminal of rectification circuit (4), the emitter of second switch and the emitter phase of the 4th switching tube
Connection, the emitter of first switch tube, the collector of second switch are connected with one end of load (7) constitutes positive output end, the
The emitter of three switching tubes, the 4th switching tube collector be connected with the other end of load (7) and constitute negative output terminal, feature exists
In:
It further include active auxiliary circuit (8)；Wherein active auxiliary circuit (8) includes three booster diodes, three auxiliary switches
Pipe, auxiliary induction and auxiliary capacitor, one end of auxiliary induction, the anode of DC power supply, the cathode of the second booster diode and the
The anode of three booster diodes is connected, the other end of auxiliary induction, the anode of the first booster diode and third auxiliary switch
The collector of pipe is connected, the anode of auxiliary capacitor, the cathode of the first booster diode, the first auxiliary switch collector and
The collector of second auxiliary switch is connected, the negative terminal of auxiliary capacitor, the anode of the second booster diode and third auxiliary two
The cathode of pole pipe is connected, and the emitter of the first auxiliary switch connects the Same Name of Ends of the second winding, the hair of the second auxiliary switch
Emitter-base bandgap grading connects the different name end of the first winding, and the emitter of third auxiliary switch connects the emitter of the second main switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740138.XA CN106655863B (en) | 2015-11-02 | 2015-11-02 | A kind of isolated form inverter based on improvement push-pull circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740138.XA CN106655863B (en) | 2015-11-02 | 2015-11-02 | A kind of isolated form inverter based on improvement push-pull circuit |
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| CN106655863A CN106655863A (en) | 2017-05-10 |
| CN106655863B true CN106655863B (en) | 2019-04-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6330170B1 (en) * | 1999-08-27 | 2001-12-11 | Virginia Tech Intellectual Properties, Inc. | Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger |
| JP2004304970A (en) * | 2003-04-01 | 2004-10-28 | San'eisha Mfg Co Ltd | Switching power supply unit and control method for voltage conversion |
| CN104811047A (en) * | 2014-01-27 | 2015-07-29 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | Bidirectional direct-current/direct-current converter and control method thereof |
-
2015
- 2015-11-02 CN CN201510740138.XA patent/CN106655863B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6330170B1 (en) * | 1999-08-27 | 2001-12-11 | Virginia Tech Intellectual Properties, Inc. | Soft-switched quasi-single-stage (QSS) bi-directional inverter/charger |
| JP2004304970A (en) * | 2003-04-01 | 2004-10-28 | San'eisha Mfg Co Ltd | Switching power supply unit and control method for voltage conversion |
| CN104811047A (en) * | 2014-01-27 | 2015-07-29 | 伊顿制造（格拉斯哥）有限合伙莫尔日分支机构 | Bidirectional direct-current/direct-current converter and control method thereof |
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| CN106655863A (en) | 2017-05-10 |
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