CN106953529A - The high pressure accessory power supply of flexibly configurable input - Google Patents
The high pressure accessory power supply of flexibly configurable input Download PDFInfo
- Publication number
- CN106953529A CN106953529A CN201710291788.XA CN201710291788A CN106953529A CN 106953529 A CN106953529 A CN 106953529A CN 201710291788 A CN201710291788 A CN 201710291788A CN 106953529 A CN106953529 A CN 106953529A
- Authority
- CN
- China
- Prior art keywords
- power supply
- voltage
- converters
- double
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000009466 transformation Effects 0.000 claims abstract description 8
- 238000005070 sampling Methods 0.000 claims description 26
- 230000000052 comparative effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—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
- H02M3/33561—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 more than one ouput with independent control
-
- 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
- H02M3/33592—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 having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of high pressure accessory power supply of flexibly configurable input, the power supply includes：Equalizer circuit, inverse-excitation type DC/DC translation circuits and feedback control circuit；The equalizer circuit, is handled for carrying out pressure to input electric energy, to obtain equal component voltage；The inverse-excitation type DC/DC translation circuits, for being the output electric energy for meeting preparatory condition by respectively voltage transformation under control of the feedback control circuit.The present invention is handled input electric energy pressure by equalizer circuit, and by inverse-excitation type DC/DC translation circuits be the output electric energy for meeting preparatory condition by respectively voltage transformation under control of the feedback control circuit, realize the input electric energy for meeting any high pressure level and the accessory power supply of stable output, so as to which directly power taking produces low step voltage on the spot, project hardware cost can be not only saved, also flexibly configurable input voltage.
Description
Technical field
The present invention relates to the high pressure accessory power supply of electric and electronic technical field, more particularly to a kind of input of flexibly configurable.
Background technology
A large amount of power electronic equipment such as Static Type Dynamic Reactive Compensation Device (SVG), high frequency transformer, modular multilevels
Transverter (Modular Multilevel Converter, MMC), photovoltaic DC-to-AC converter etc. coordinate operation of power networks to use, not on an equal basis
The high voltage ac/dc electricity of level is seen everywhere.Electronic equipment except coordinate high voltage ac/dc electricity operation in addition to, the power supply of its control section,
Secondary circuit grade of powering is low, general using AC or DC input, exports 24V Switching Power Supply, and its input voltage can be
Fluctuated in certain limit.
In high pressure occasion, the input range of traditional switch power supply is well below high pressure level scope, and way to take power seems not
It is enough flexible, as difficulty.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
It is a primary object of the present invention to provide a kind of high pressure accessory power supply of flexibly configurable input, it is intended to solve existing
The input mode of traditional switch power supply is less than high pressure level scope and the technical problem of way to take power underaction in technology.
To achieve the above object, the present invention provides a kind of high pressure accessory power supply of flexibly configurable input, the power supply bag
Include：Equalizer circuit, inverse-excitation type DC/DC translation circuits and feedback control circuit；
The equalizer circuit, is handled for carrying out pressure to input electric energy, to obtain equal component voltage；
The inverse-excitation type DC/DC translation circuits, for will respectively voltage transformation under the control of the feedback control circuit
To meet the output electric energy of preparatory condition.
Preferably, the equalizer circuit includes：The N number of electric capacity being connected in series, the N is the integer more than or equal to 2.
Preferably, each electric capacity two ends are parallel with resistance identical passive device.
Preferably, the inverse-excitation type DC/DC translation circuits include N number of double-transistor flyback formula DC/DC converters, described two-tube anti-
Swash formula DC/DC converters to correspond with the electric capacity, each double-transistor flyback formula DC/DC converters are parallel to corresponding electric capacity respectively
Two ends.
Preferably, each double-transistor flyback formula DC/DC converters include：Transformer, two power switch pipes and two clamped two
Pole pipe, the power switch pipe and catching diode are corresponded, the power switch pipe and the series connection of corresponding catching diode
Primary side afterwards with the transformer is in parallel, and the control end of the power switch pipe is connected with the feedback control circuit.
Preferably, the power switch pipe is N-type FET.
Preferably, the power supply also includes：N number of rectification circuit；
The rectification circuit and double-transistor flyback formula DC/DC converters are corresponded, the input of the rectification circuit with it is right
The secondary connection of the transformer for the double-transistor flyback formula DC/DC converters answered.
Preferably, the power supply also includes：Filter circuit；
The input of the filter circuit is connected respectively with the output end of each rectification circuit.
Preferably, the feedback control circuit includes：PWM controller, N number of drive module, current sampling unit and voltage
Sampling unit, the current sampling unit, voltage sampling unit and N number of drive module respectively with the PWM controller phase
Even；
The drive module and the double-transistor flyback formula DC/DC converters are corresponded, the drive module with it is corresponding
The control end of power switch pipe in double-transistor flyback formula DC/DC converters is connected, the current sampling unit and the transformer
Primary side connection, the voltage sampling unit is connected with the filter circuit output end.
Preferably, the PWM controller includes：Reference voltage generation unit, first comparator and the second comparator；
The reference voltage generation unit, for generating reference voltage；
The first comparator, the voltage for the reference voltage and voltage sampling unit to be gathered is compared,
And reference current is generated according to voltage comparative result；
Second comparator, the electric current for the reference current and current sampling unit to be gathered is compared,
Pwm signal is generated according to electric current comparative result, and the pwm signal of generation is transmitted to each drive module.
The present invention is handled input electric energy pressure by equalizer circuit, and by inverse-excitation type DC/DC translation circuits described
It is the output electric energy for meeting preparatory condition by respectively voltage transformation under control of feedback control circuit, realizes and meet any high pressure
The input electric energy of grade and the accessory power supply of stable output, so as to which directly power taking produces low step voltage on the spot, not only may be used
To save project hardware cost, flexibly configurable input voltage is gone back.
Brief description of the drawings
Fig. 1 is the structured flowchart of the high pressure accessory power supply of the flexibly configurable input of the first embodiment of the invention；
Fig. 2 is the structured flowchart of the high pressure accessory power supply of flexibly configurable input in second of embodiment of the invention；
Fig. 3 is the structural representation of electric energy input side in the embodiment of the present invention；
Fig. 4 is that the signal of pwm signal in the embodiment of the present invention produces schematic diagram；
Fig. 5 is the concrete structure schematic diagram of PWM controller in the embodiment of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, first embodiment of the invention provides a kind of high pressure accessory power supply of flexibly configurable input, the power supply
Including：Equalizer circuit, inverse-excitation type DC/DC translation circuits and feedback control circuit；
The equalizer circuit, is handled for carrying out pressure to input electric energy, to obtain equal component voltage；
The inverse-excitation type DC/DC translation circuits, for will respectively voltage transformation under the control of the feedback control circuit
To meet the output electric energy of preparatory condition.
The present embodiment is handled input electric energy pressure by equalizer circuit, and by inverse-excitation type DC/DC translation circuits in institute
It is the output electric energy that meets preparatory condition to state respectively voltage transformation under control of feedback control circuit, realizes and meets any height
The input electric energy of grade and the accessory power supply of stable output are pressed, so as to which directly power taking produces low step voltage on the spot, not only
Project hardware cost can be saved, also flexibly configurable input voltage.
Reference picture 2, the equalizer circuit may include：N number of electric capacity (" electric capacity 1 ", " electric capacity i.e. in figure being connected in series
2 " ..., " electric capacity N "), the N is the integer more than or equal to 2.
For the electric capacity connected in equalizer circuit, it should be noted that the leakage current difference of electric capacity causes internal resistance not
Together, it is equal to ensure equal component voltage, resistance identical passive device, in implementing, institute can be parallel with each electric capacity two ends
Resistance can be used by stating passive device, and reference picture 3, i.e., each electric capacity two ends are parallel with resistance identical resistance, certainly, the passive device
Part can also use other components.
In implementing, each electric capacity can press and be up to 1000V, can be according to the voltage class meter of live high-tension line
Calculate N value.The voltage stress levels of the power switch pipe of two-switch control transformer primary side will than one-switch control in high-tension line
Ask low, general voltage stress is converter input voltage, the selection of switching tube parameter can directly affect the performance of converter.
Various power electronic equipments are present in high pressure occasion, and voltage class height is to one inverse excitation type converter of exclusive use
The resistance to pressure request of device for power switching and clamp diode is high, so, for voltage levels environment, as needed, reference picture
2, the inverse-excitation type DC/DC translation circuits may include N number of double-transistor flyback formula DC/DC converters (" double-transistor flyback i.e. in corresponding diagram
Formula DC/DC converters 1 ", " double-transistor flyback formula DC/DC converters 2 " ..., " double-transistor flyback formula DC/DC converters N "), it is described double
Pipe inverse-excitation type DC/DC converters are corresponded with the electric capacity, and each double-transistor flyback formula DC/DC converters are parallel to corresponding respectively
Electric capacity two ends.
Because the secondary of transformer is output as high-frequency square-wave signal, it is necessary to carry out rectification and filtering, in this implementation, the electricity
Source also includes：N number of rectification circuit (i.e. in corresponding diagram " rectification 1 ", " rectification 2 " ..., " rectification N ")；
The rectification circuit and double-transistor flyback formula DC/DC converters are corresponded, the input of the rectification circuit with it is right
The secondary connection of the transformer for the double-transistor flyback formula DC/DC converters answered.
Correspondingly, the power supply also includes：Filter circuit (" filtering " i.e. in corresponding diagram)；
The input of the filter circuit is connected respectively with the output end of each rectification circuit.
To ensure transducer effciency, in implementing, reference picture 3, each double-transistor flyback formula DC/DC converters may include：
Transformer, two power switch pipes 101 and two catching diodes 102, the power switch pipe 101 and catching diode 102
Correspond, the primary side after each pair power switch pipe 101 and corresponding catching diode 102 series connection with the transformer is touched
Head is connected respectively, and the control end of the power switch pipe is connected with the feedback control circuit.
That is, the primary side of transformer has two power switch pipes in single double-transistor flyback formula DC/DC converters, often
Individual transformer primary side is controlled whether to connect by two power switch pipes inputs electric energy, and opening for the power switch pipe can with shut-off
Controlled with same PWM, this primary side accesses transformation by the way of two power switch pipes are controlled simultaneously than single power tube
The mode of device primary side reduces the voltage stress ability of power switch pipe, can have greater room to select the parameter of power switch pipe to refer to
Mark, is adapted to high input voltage environment.
In implementing, the input voltage of the single double-transistor flyback formula DC/DC converters in the present embodiment is up to
1000V, power output 50W, can calculating transformer primary side peak inrush current Ip, therefore can determine that the ginseng of power switch pipe
Number.
In implementing, transformer uses high frequency transformer, and uses inverse-excitation type mode of operation, and magnetic core material is
PC40。
To ensure in the effect of power switch pipe, the present embodiment, the power switch pipe is N-type FET, the N-type
The pressure-resistant of FET is 1500V, and drain current reaches 2.5A, and it is 1500V, peak inrush current that the selection of catching diode is pressure-resistant
10A, meets single inverter primary side input requirements.
For ease of realizing in feedback control, the present embodiment, reference picture 4, the feedback control circuit includes：PWM controller,
N number of drive module, current sampling unit and voltage sampling unit, the current sampling unit, voltage sampling unit and N number of described
Drive module is connected with the PWM controller respectively；
The drive module and the double-transistor flyback formula DC/DC converters are corresponded, the drive module with it is corresponding
The control end of power switch pipe in double-transistor flyback formula DC/DC converters is connected, the current sampling unit and the transformer
Primary side connection, the voltage sampling unit is connected with the secondary of the transformer.
It will be appreciated that the generation 2N of the pwm signal all the way roads phase of the PWM controller output is identical, it is isolated from each other
Pwm signal removes driving power switching tube.PWM input signals are as the input of each drive module, and the drive module can produce 2 tunnels
Pwm signal.N number of double-transistor flyback formula DC/DC converters if input side is connected, need N number of drive module.
For ease of realizing in PWM controller function, reference picture 5, the present embodiment, the PWM controller includes：Reference voltage
Generation unit, first comparator and the second comparator；
The reference voltage generation unit, for generating reference voltage；
The first comparator, for by the reference voltage and voltage sampling unit (in respective figure " voltage V1 is adopted
Sample ") voltage that is gathered is compared, and reference current is generated according to voltage comparative result；
Second comparator, for by the reference current and current sampling unit (in respective figure " electric current is adopted
Sample ") electric current that is gathered is compared, and pwm signal is generated according to electric current comparative result, and by the pwm signal of generation transmit to
Each drive module.
That is, low step voltage and input side series transformer the primary side electricity that the present embodiment is exported to output end respectively
Stream sampling feeding PWM controller, is exported in pwm signal all the way, the present embodiment by voltage and current double -loop control, containing 2N work(
Rate switching tube, opening with shut-off for 2N power switch pipe is the PWM isolated each other while control is, it is necessary to phase is identical
Signal drives.
In the present embodiment, the inside of the PWM controller uses outer shroud Voltage loop, inner ring current loop control, by defeated
Go out the feedback voltage input that voltage sample sends into PWM controller, error voltage conduct is relatively produced with internal given voltage ratio
Electric current loop gives reference value, and the feedback current that sampling feeding controller is carried out to the electric current of transformer primary side by sample resistance is defeated
Enter end, feedback current obtains the process comparator output pwm signal of given reference value with outer shroud error voltage, by double -loop control
The PWM ripple driving switch pipes of output, can make output voltage V1 stable.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the system of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of high pressure accessory power supply of flexibly configurable input, it is characterised in that the power supply includes：Equalizer circuit, flyback
Formula DC/DC translation circuits and feedback control circuit；
The equalizer circuit, is handled for carrying out pressure to input electric energy, to obtain equal component voltage；
The inverse-excitation type DC/DC translation circuits, for will voltage transformation be respectively full under control of the feedback control circuit
The output electric energy of sufficient preparatory condition.
2. power supply as claimed in claim 1, it is characterised in that the equalizer circuit includes：The N number of electric capacity being connected in series, institute
It is the integer more than or equal to 2 to state N.
3. power supply as claimed in claim 2, it is characterised in that each electric capacity two ends are parallel with resistance identical passive device.
4. power supply as claimed in claim 2, it is characterised in that the inverse-excitation type DC/DC translation circuits include N number of double-transistor flyback
Formula DC/DC converters, the double-transistor flyback formula DC/DC converters are corresponded with the electric capacity, and each double-transistor flyback formula DC/DC becomes
Parallel operation is parallel to corresponding electric capacity two ends respectively.
5. power supply as claimed in claim 4, it is characterised in that each double-transistor flyback formula DC/DC converters include：Transformer, two
Individual power switch pipe and two catching diodes, the power switch pipe and catching diode are corresponded, the power switch
Pipe and corresponding catching diode connect after it is in parallel with the primary side of the transformer, the control end of the power switch pipe with it is described
Feedback control circuit is connected.
6. power supply as claimed in claim 5, it is characterised in that the power switch pipe is N-type FET.
7. power supply as claimed in claim 5, it is characterised in that the power supply also includes：N number of rectification circuit；
The rectification circuit and double-transistor flyback formula DC/DC converters are corresponded, the input of the rectification circuit with it is corresponding
The secondary connection of the transformer of double-transistor flyback formula DC/DC converters.
8. power supply as claimed in claim 7, it is characterised in that the power supply also includes：Filter circuit；
The input of the filter circuit is connected respectively with the output end of each rectification circuit.
9. power supply as claimed in claim 5, it is characterised in that the feedback control circuit includes：PWM controller, N number of driving
Module, current sampling unit and voltage sampling unit, the current sampling unit, voltage sampling unit and N number of driving mould
Block is connected with the PWM controller respectively；
The drive module and the double-transistor flyback formula DC/DC converters are corresponded, the drive module with it is corresponding two-tube
The control end of power switch pipe in inverse-excitation type DC/DC converters is connected, the original of the current sampling unit and the transformer
Side is connected, and the voltage sampling unit is connected with the filter circuit output end.
10. power supply as claimed in claim 9, it is characterised in that the PWM controller includes：Reference voltage generation unit,
One comparator and the second comparator；
The reference voltage generation unit, for generating reference voltage；
The first comparator, the voltage for the reference voltage and voltage sampling unit to be gathered is compared, and root
Reference current is generated according to voltage comparative result；
Second comparator, the electric current for the reference current and current sampling unit to be gathered is compared, according to
Electric current comparative result generates pwm signal, and the pwm signal of generation is transmitted to each drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291788.XA CN106953529A (en) | 2017-04-26 | 2017-04-26 | The high pressure accessory power supply of flexibly configurable input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710291788.XA CN106953529A (en) | 2017-04-26 | 2017-04-26 | The high pressure accessory power supply of flexibly configurable input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106953529A true CN106953529A (en) | 2017-07-14 |
Family
ID=59477077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710291788.XA Pending CN106953529A (en) | 2017-04-26 | 2017-04-26 | The high pressure accessory power supply of flexibly configurable input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106953529A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322052A (en) * | 2018-01-16 | 2018-07-24 | 许继电源有限公司 | A kind of power-supply system based on silicon carbide device and a kind of DC/DC devices |
| CN113612393A (en) * | 2021-08-30 | 2021-11-05 | 阳光电源股份有限公司 | Power supply circuit, direct current power supply and photovoltaic system |
| CN114070092A (en) * | 2021-11-25 | 2022-02-18 | 西安西驰电气股份有限公司 | High-order energy-taking power supply circuit topological structure and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719727A (en) * | 2009-12-14 | 2010-06-02 | 北京理工大学 | dc-dc converter |
| CN201789420U (en) * | 2010-09-16 | 2011-04-06 | 哈尔滨九洲电气股份有限公司 | Double-transistor flyback high-voltage DC/DC converter for high-voltage frequency converter |
| US20120092905A1 (en) * | 2011-09-14 | 2012-04-19 | Srighakollapu Nvs Kumar | Method and systems for converting power |
| CN106026666A (en) * | 2016-06-23 | 2016-10-12 | 广东工业大学 | DC-DC converter |
-
2017
- 2017-04-26 CN CN201710291788.XA patent/CN106953529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719727A (en) * | 2009-12-14 | 2010-06-02 | 北京理工大学 | dc-dc converter |
| CN201789420U (en) * | 2010-09-16 | 2011-04-06 | 哈尔滨九洲电气股份有限公司 | Double-transistor flyback high-voltage DC/DC converter for high-voltage frequency converter |
| US20120092905A1 (en) * | 2011-09-14 | 2012-04-19 | Srighakollapu Nvs Kumar | Method and systems for converting power |
| CN106026666A (en) * | 2016-06-23 | 2016-10-12 | 广东工业大学 | DC-DC converter |
Non-Patent Citations (1)
| Title |
|---|
| 孟涛;顾冰冰;: "输入串联型多输出变换器控制策略设计与实现" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322052A (en) * | 2018-01-16 | 2018-07-24 | 许继电源有限公司 | A kind of power-supply system based on silicon carbide device and a kind of DC/DC devices |
| CN113612393A (en) * | 2021-08-30 | 2021-11-05 | 阳光电源股份有限公司 | Power supply circuit, direct current power supply and photovoltaic system |
| CN113612393B (en) * | 2021-08-30 | 2023-06-30 | 阳光电源股份有限公司 | Power supply circuit, direct current power supply and photovoltaic system |
| CN114070092A (en) * | 2021-11-25 | 2022-02-18 | 西安西驰电气股份有限公司 | High-order energy-taking power supply circuit topological structure and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tang et al. | Z-source ac–ac converters solving commutation problem | |
| Li et al. | A single-stage interleaved resonant bridgeless boost rectifier with high-frequency isolation | |
| Dusmez et al. | A fully integrated three-level isolated single-stage PFC converter | |
| CN103051233B (en) | Non-isolated single-phase photovoltaic grid-connected inverter and on-off control timing sequence thereof | |
| CN108258909A (en) | Resonant transform circuit and its control method | |
| CN202444440U (en) | Bridgeless inverter circuit and solar bridgeless inverter | |
| CN106230268A (en) | A kind of crisscross parallel LLC resonance DC/DC power inverter | |
| CN105932880A (en) | Magnetizing Current Based Control Of Resonant Converters | |
| CN106169873A (en) | It is applicable to mixing connection in series-parallel full-bridge circuit and the control method thereof of high pressure or High-current output | |
| CN110798074A (en) | Cascade type single-phase alternating current-to-direct current isolation converter | |
| CN105356784B (en) | A kind of combining inverter with DC bus-bar voltage equilibrium function | |
| CN109889048A (en) | A kind of isolation bidirectional DC-DC converter | |
| CN106953529A (en) | The high pressure accessory power supply of flexibly configurable input | |
| CN104079179A (en) | Resonant converter and direct-current power supply | |
| CN106487259B (en) | A kind of neutral point voltage balance method for three Level Full Bridge DC converters | |
| CN103956922A (en) | Switch power supply and control method thereof | |
| CN103647448A (en) | Integrated step-down-flyback type high power factor constant current circuit and device | |
| CN102291020A (en) | Alternating-current push-pull conversion-single-diode rectification AC-DC (alternating current-to-direct current) converter | |
| CN110649802A (en) | Single-stage resonant AC-DC power factor correction conversion device and correction method thereof | |
| CN206790352U (en) | The high pressure accessory power supply of flexibly configurable input | |
| CN103956903B (en) | LC parallel resonances are depressured the control method of DC/DC conversion device | |
| CN115664222B (en) | Bidirectional DC conversion circuit and power supply device | |
| CN115441757A (en) | Five-level PWM rectifier and power supply equipment | |
| CN113437884B (en) | Three-level rectifier based on parallel diode clamp bidirectional switch | |
| CN103973129A (en) | Soft-switching power electronic transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170714 |