CN107276387A - A kind of new staggeredly totem power factor correcting converter - Google Patents
A kind of new staggeredly totem power factor correcting converter Download PDFInfo
- Publication number
- CN107276387A CN107276387A CN201710531984.XA CN201710531984A CN107276387A CN 107276387 A CN107276387 A CN 107276387A CN 201710531984 A CN201710531984 A CN 201710531984A CN 107276387 A CN107276387 A CN 107276387A
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- Prior art keywords
- rectification circuit
- transformer
- auto
- power factor
- staggeredly
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
-
- 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
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rectifiers (AREA)
Abstract
The invention provides the new staggeredly totem power factor correcting converter, including boost inductance, auto-transformer, capacitance, the first rectification circuit, the second rectification circuit, bus capacitor of one kind；Two rear ends of boost inductance respectively connect one to one with a coil of the auto-transformer, and the front end of boost inductance is connected to one end of exchange input power network；Two rear ends of the auto-transformer are connected with the independent bridge arm intermediate node of first rectification circuit respectively；One end of the capacitance is connected with a tie point of boost inductance and auto-transformer, and the other end of the capacitance is connected with another tie point of boost inductance and auto-transformer.The present invention, which solves DC bias current present in current interleaved power factor correction converter circuit, causes the risk of magnetic device saturation, while reaching the technical requirements of high power density and conversion efficiency.
Description
Technical field
Patent of the present invention belongs to field of power electronics, becomes more particularly, to the new staggeredly totem PFC of one kind
Parallel operation.
Background technology
For a secondary module of current ultra high efficiency, prime uses totem Bridgeless power factor circuit correcting circuit, and control is used
Critical Control pattern or continuous control pattern.Using Critical Control pattern, inductance ripple current is larger, and the electric current of switching tube has
Valid value is also larger, so power density and conversion efficiency are all restricted, using continuous control pattern, the Reverse recovery of transistor
Conversion efficiency is had a strong impact on, need to be using devices such as cost higher GAN, SIC.
After interleaved power factor converting device is using coupling inductance or auto-transformer, although solve prior art conversion effect
The problem of rate and relatively low power density, but be due to that interleaved power factor correcting circuit can not possibly accomplish full symmetric consistent, and
Control circuit also can some inconsistencies, cause power factor correcting converter to there is certain DC current biasing, if not
Solve, magnetic element there will be the risk of saturation.
The content of the invention
The purpose of patent of the present invention is to provide a kind of new staggeredly totem power factor correcting converter, solved current
DC bias current present in interleaved power factor correction converter circuit causes the risk of magnetic device saturation, reaches simultaneously
The technical requirements of high power density and conversion efficiency.
In order to achieve the above object, patent of the present invention is achieved through the following technical solutions：
A kind of new staggeredly totem power factor correcting converter, it is characterised in that including boost inductance, auto-transformer,
Capacitance, the first rectification circuit, the second rectification circuit, bus capacitor；
Two rear ends of boost inductance respectively connect one to one with a coil of the auto-transformer, the front end of boost inductance
It is connected to one end of exchange input power network；Two rear ends of the auto-transformer respectively with the independent bridge of the first rectification circuit
Arm intermediate node is connected, and first rectification circuit includes the transistor of two groups of two series aiding connections, and the intermediate node is each
Between described two groups of two transistors, the two ends of the two ends of the independent bridge arm of the first rectification circuit respectively with bus capacitor
It is connected；
One end of the capacitance is connected with a tie point of boost inductance and auto-transformer, the capacitance it is another
One end is connected with another tie point of boost inductance and auto-transformer；
The other end of the exchange input power network is connected to the intermediate node of the second rectification circuit, the second rectification circuit bag
Transistor containing two series aiding connections, and the intermediate node is between described two transistors, second rectification circuit
Two ends be connected respectively with the two ends of bus capacitor.
The new staggeredly totem power factor correcting converter of the present invention, by boost inductance, capacitance, self coupling transformation
Device, the first rectification circuit, the second rectification circuit constitute tri-state switch element circuit, are illustrated with exchanging positive half cycle working condition,
Three kinds of working conditions are as follows：Q2, Q4 are simultaneously turned on, Q2, Q4 are simultaneously turned off, mono- group of Q2, Q4 one group of conducting shut-off.In a switch
In cycle, the ripple frequency of boost inductance is twice of switching frequency, and inductance value can so be reduced to half, improves power close
Degree.
Further, each umber of turn of the boost inductance is equal.
Further, each umber of turn of the auto-transformer is equal.
Further, stating the range of choice of boost inductance includes two discrete inductances or an inductance for containing two windings.
Further, the transistor of first rectification circuit uses semiconductor power switch pipe, and range of choice includes field
The semiconductor devices such as effect pipe, IGBT, SIC, GAN.
Further, the transistor range of choice of second rectification circuit include FET, SIC, GAN, IGBT,
The semiconductor devices such as diode, bridge heap.
Further, it is additionally provided with the 3rd rectification circuit, and the 3rd rectification circuit includes the diode of two series aiding connections, the
The intermediate node of three rectification circuits is located between described two diodes, and it is whole that one end that the exchange inputs power network is connected to the 3rd
The intermediate node of current circuit, the two ends of the 3rd rectification circuit are connected with the two ends of bus capacitor respectively.
Compared with prior art, power factor correcting converter technical scheme provided by the present invention has the following advantages that：
Due to the presence of capacitance, two windings of auto-transformer are connected by capacitance, solve interleaved power factor correcting
Due to magnetic bias risk caused by circuit inconsistency in converter；On the other hand, converter is full symmetric from structure, Ke Yiyou
The differential mode noise in reduction system is imitated, has very big benefit to improving EMI interference；Boost inductance uses coupling inductance, also with certainly
The ability of the dynamic balanced inductive current that interlocks.
Brief description of the drawings
Fig. 1 is tradition staggeredly totem power factor correcting converter attachment structure schematic diagram.
Fig. 2 is the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided.
Fig. 3 is the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided
A kind of embodiment,.
Fig. 4 is the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided
A kind of embodiment.
Fig. 5 is the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided
A kind of embodiment.
Embodiment
Patent of the present invention is described further below in conjunction with drawings and Examples, it is clear that described embodiment is only
Only it is a part of embodiment of the invention, rather than whole embodiments.
As shown in Fig. 2 the power factor correcting converter that the embodiment of the present invention is provided has capacitance C1, boosting electricity
Feel L, auto-transformer T1, the first rectification circuit, the second rectification circuit, bus capacitor C2.Boost inductance L range of choice includes
Two L discrete inductances or a coupling inductance for containing two windings, boost inductance L are corresponded with auto-transformer T1 windings, risen
Two rear ends of voltage inductance respectively connect one to one with a coil of the auto-transformer T1, and boost inductance L front end connects
It is connected to one end of exchange input power network；Two rear ends of the auto-transformer T1 respectively with the independent bridge of the first rectification circuit
Arm intermediate node is connected, transistor Q1 and Q2 of first rectification circuit comprising two groups of two series aiding connections, Q3 and Q4, and institute
State intermediate node to be each positioned between described two groups of two transistors Q1 and Q2 and between Q3 and Q4, first rectification circuit is independent
The two ends of bridge arm are connected with the two ends of bus capacitor respectively.The transistor of first rectification circuit uses semiconductor power switch
Pipe, range of choice includes FET, IGBT, SIC, GAN.
One end of the capacitance C1 is connected with a boost inductance L and auto-transformer T1 tie point, it is described every
The other end of straight electric capacity is connected with boost inductance L and auto-transformer T1 another tie point；
The other end of the exchange input power network is connected to the intermediate node of the second rectification circuit, the second rectification circuit bag
Transistor Q5 and Q6 containing two series aiding connections, and the intermediate node is between described two transistor Q5 and Q6, it is described
Two ends of the two ends of second rectification circuit respectively with bus capacitor C2 are connected.The transistor range of choice of second rectification circuit
Including FET, IGBT, diode, Qiao Dui.
The power factor correcting converter is additionally provided with the 3rd rectification circuit, and the 3rd rectification circuit includes two series aiding connections
Diode D1, D2, the intermediate node of the 3rd rectification circuit is located between described two diodes, the exchange input power network
One end is connected to the intermediate node of the 3rd rectification circuit, the two ends phase of the two ends of the 3rd rectification circuit respectively with bus capacitor
Even.
Exemplified by exchanging the positive half cycle of input, the operation principle under three kinds of on off states of detailed description below.
State one：180 ° of Q2, Q4 drive circuit phase difference, it is two-way when the operative duty cycles of drive circuit are more than 0.5
Switch there is a situation where to simultaneously turn on, now, and two windings of auto-transformer are by two-way switch short circuit, and exchange input is directly right
Boost inductance charges, and inductive current rises.
State two：When Q2, Q4 are in the state of one group of conducting, another group of shut-off, two of auto-transformer around component
It is not connected by the first rectification circuit and the second rectification circuit with the positive and negative terminal of bus, the electric current that two windings flow through is equal, from
The two winding pressure drops of coupling transformer are respectively the half of busbar voltage.Now, boost inductance, auto-transformer and one group of two-way opened
Close the connected winding of conducting and inputted with exchange and is connected, the current feedback on the winding is to exchanging input；Exchange input and boosting electricity
The winding that sense, auto-transformer are connected with another group of two-way switch shut-off, by the first rectification circuit, the second rectification circuit to negative
Power supply is carried, and gives bus capacitor charging, boost inductance is likely to be at charged state, it is also possible to which, in discharge condition, this is depended on
Exchange the instantaneous voltage value of input.
State three：When Q2, Q4 operative duty cycles are less than 0.5, two-way switch there is a situation where to simultaneously turn off, now,
Two windings of auto-transformer are short-circuited, boost inductance discharge condition；Now, exchange input passes through boost inductance and oneself respectively
Two windings of coupling transformer, the first rectification circuit and the second rectification circuit, provide voltage, and give bus capacitor charging to load.
Two windings of auto-transformer are connected with boost inductance tie point by capacitance, make to cause tie point voltage
The electric current of drift accumulates on capacitance and forms DC voltage amount, the voltage accumulated by capacitance, and regulation self coupling becomes
The operating voltage of two windings of depressor, makes tie point voltage drift amount be inhibited, and prevents auto-transformer in above-mentioned three kinds of works
Magnetisation saturation is issued as state.
In the negative half period of exchange input, tri-state switch circuit also has above-mentioned three kinds of working conditions, its operation principle with
The working condition of positive half cycle is identical, and simply Q1, Q3 are when being responsible in on-off circuit, and Q2, Q4 are lock-in tube, and electric current is in each rectification circuit
Flow through direction different.
Further, two windings of auto-transformer are in the case of working condition two, and two windings respectively bear bus electricity
The half of pressure, weakens noise source；Meanwhile, converter is full symmetric from structure, can reduce differential mode noise；Experimental result
Show, the EMI noise of the embodiment of the present invention is greatly reduced, be conducive to the further optimization design of wave filter.
Further, parameter due to device parameter itself, parasitic parameter and in environmental change is not quite identical etc.
Reason, can cause the deviation of every road inductive current, if boost inductance is coupling inductance, contribute to PFC to convert
Current sharing energy when device is in parallel.
Fig. 3 is the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided
A kind of embodiment, the program can remove the 3rd rectification circuit to the less demanding occasion of lightning surge.
Fig. 4 is the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided
A kind of embodiment, second rectification circuit of the program in Fig. 1 is changed to diode or bridge heap by FET, main to consider
The occasion not high to efficiency requirements；
Fig. 5 is the one kind for the staggeredly totem power factor correcting converter attachment structure schematic diagram that the embodiment of the present invention is provided
Embodiment, the program is mainly and efficiency requirements not high occasion less demanding to lightning surge, to the second rectification in Fig. 1
Circuit is changed to diode or bridge heap by FET, while removing the 3rd rectification circuit.
The embodiment of patent of the present invention is described above in conjunction with accompanying drawing, but patent of the present invention is not limited to
The embodiment stated, above-mentioned embodiment be only it is schematical, rather than restricted, this area it is common
Technical staff is not departing from patent objective of the present invention and scope of the claimed protection situation under the enlightenment of patent of the present invention
Under, many forms can be also made, these are belonged within the protection of patent of the present invention.
Claims (7)
1. a kind of new staggeredly totem power factor correcting converter, it is characterised in that including boost inductance, self coupling transformation
Device, capacitance, the first rectification circuit, the second rectification circuit, bus capacitor；
Two rear ends of boost inductance respectively connect one to one with a coil of the auto-transformer, the front end of boost inductance
It is connected to one end of exchange input power network；Two rear ends of the auto-transformer respectively with the independent bridge of the first rectification circuit
Arm intermediate node is connected, and first rectification circuit includes the transistor of two groups of two series aiding connections, and the intermediate node is each
Between described two groups of two transistors, the two ends of the two ends of the independent bridge arm of the first rectification circuit respectively with bus capacitor
It is connected；
One end of the capacitance is connected with a tie point of boost inductance and auto-transformer, the capacitance it is another
One end is connected with another tie point of boost inductance and auto-transformer；
The other end of the exchange input power network is connected to the intermediate node of the second rectification circuit, the second rectification circuit bag
Transistor containing two series aiding connections, and the intermediate node is between described two transistors, second rectification circuit
Two ends be connected respectively with the two ends of bus capacitor.
2. the new staggeredly totem power factor correcting converter of one kind according to claim 1, it is characterised in that described
Each umber of turn of boost inductance is equal.
3. the new staggeredly totem power factor correcting converter of one kind according to claim 1, it is characterised in that described
Each umber of turn of auto-transformer is equal.
4. the new staggeredly totem power factor correcting converter of one kind according to claim 1, it is characterised in that state liter
The range of choice of voltage inductance includes two discrete inductances or an inductance for containing two windings.
5. the new staggeredly totem power factor correcting converter of one kind according to claim 1, it is characterised in that described
The transistor of first rectification circuit uses semiconductor power switch pipe, and range of choice includes FET, IGBT, SIC, GAN etc.
Semiconductor devices.
6. the new staggeredly totem power factor correcting converter of one kind according to claim 1, it is characterised in that described
The transistor range of choice of second rectification circuit includes the semiconductor devices such as FET, IGBT, SIC, GAN, diode, bridge heap
Part.
7. the new staggeredly totem power factor correcting converter of one kind according to claim 1, it is characterised in that it is also
Provided with the 3rd rectification circuit, the 3rd rectification circuit includes the diode of two series aiding connections, the intermediate node of the 3rd rectification circuit
Between described two diodes, one end of the exchange input power network is connected to the intermediate node of the 3rd rectification circuit, institute
The two ends for stating the 3rd rectification circuit are connected with the two ends of bus capacitor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531984.XA CN107276387A (en) | 2017-07-03 | 2017-07-03 | A kind of new staggeredly totem power factor correcting converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531984.XA CN107276387A (en) | 2017-07-03 | 2017-07-03 | A kind of new staggeredly totem power factor correcting converter |
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| CN201710531984.XA Pending CN107276387A (en) | 2017-07-03 | 2017-07-03 | A kind of new staggeredly totem power factor correcting converter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067167A (en) * | 2018-08-08 | 2018-12-21 | 杭州中恒电气股份有限公司 | A kind of PFC lightning protection circuit |
| CN109067212A (en) * | 2018-07-31 | 2018-12-21 | 杭州中恒电气股份有限公司 | A kind of circuit of power factor correction and its control method |
| CN110112903A (en) * | 2019-06-21 | 2019-08-09 | 青岛大学 | A kind of circuit of power factor correction, method, charger and electric car |
| CN111030443A (en) * | 2020-01-09 | 2020-04-17 | 杭州中恒电气股份有限公司 | Totem-pole bridgeless PFC circuit, control method, electronic device and medium |
| WO2021097746A1 (en) * | 2019-11-21 | 2021-05-27 | Abb Schweiz Ag | Power factor correction circuit and industrial robot |
| CN114157178A (en) * | 2021-11-01 | 2022-03-08 | 西南交通大学 | Novel traction converter |
| EP4123893A1 (en) * | 2021-07-23 | 2023-01-25 | Infineon Technologies Austria AG | Active rectifier in switched-mode power supply |
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| CN202077249U (en) * | 2011-03-18 | 2011-12-14 | 杭州电子科技大学 | Electromagnetic interference preventing and protecting device |
| CN103368371A (en) * | 2012-03-29 | 2013-10-23 | 台达电子工业股份有限公司 | Power factor correction circuit |
| US20150097506A1 (en) * | 2013-10-03 | 2015-04-09 | Hamilton Sundstrand Corporation | Voltage Step-up Six-phase Autotransformer Passive Rectification AC-DC Converter |
| CN105122623A (en) * | 2013-04-17 | 2015-12-02 | 密执安州立大学董事会 | Single phase bi-directional ac-dc converter with reduced passive components size and common mode electro-magnetic interference |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067212A (en) * | 2018-07-31 | 2018-12-21 | 杭州中恒电气股份有限公司 | A kind of circuit of power factor correction and its control method |
| CN109067212B (en) * | 2018-07-31 | 2021-01-26 | 杭州中恒电气股份有限公司 | Power factor correction circuit and control method thereof |
| CN109067167A (en) * | 2018-08-08 | 2018-12-21 | 杭州中恒电气股份有限公司 | A kind of PFC lightning protection circuit |
| CN110112903A (en) * | 2019-06-21 | 2019-08-09 | 青岛大学 | A kind of circuit of power factor correction, method, charger and electric car |
| WO2021097746A1 (en) * | 2019-11-21 | 2021-05-27 | Abb Schweiz Ag | Power factor correction circuit and industrial robot |
| CN111030443A (en) * | 2020-01-09 | 2020-04-17 | 杭州中恒电气股份有限公司 | Totem-pole bridgeless PFC circuit, control method, electronic device and medium |
| CN111030443B (en) * | 2020-01-09 | 2020-11-10 | 杭州中恒电气股份有限公司 | Totem-pole bridgeless PFC circuit, control method, electronic device and medium |
| WO2021139507A1 (en) * | 2020-01-09 | 2021-07-15 | 杭州中恒电气股份有限公司 | Totem-pole bridgeless pfc circuit, control method, electronic device, and medium |
| EP4123893A1 (en) * | 2021-07-23 | 2023-01-25 | Infineon Technologies Austria AG | Active rectifier in switched-mode power supply |
| CN114157178A (en) * | 2021-11-01 | 2022-03-08 | 西南交通大学 | Novel traction converter |
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Application publication date: 20171020 |