CN107579671A - Single-phase three level non-bridge PFC rectifier - Google Patents
Single-phase three level non-bridge PFC rectifier Download PDFInfo
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- CN107579671A CN107579671A CN201710935167.0A CN201710935167A CN107579671A CN 107579671 A CN107579671 A CN 107579671A CN 201710935167 A CN201710935167 A CN 201710935167A CN 107579671 A CN107579671 A CN 107579671A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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
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Abstract
The present invention relates to a kind of single-phase three level non-bridge PFC rectifier, including cross bar switch filter network, electronic power switch network, DC capacitor C1With DC capacitor C2；The first input end of the cross bar switch filter network and supply voltage vsFirst end be connected, the second input of the cross bar switch filter network and supply voltage vsThe second end be connected, the first output end of the cross bar switch filter network is connected with the first input end of the electronic power switch network, and the second output end of the cross bar switch filter network is connected with the second input of the electronic power switch network.Cross bar switch filter network is incorporated into existing three level non-bridge PFC rectifier, the advantage of original three level non-bridge PFC rectifier can not only be kept, and can be under the premise of leakage current and security risk not be increased, the common mode current of rectifier is greatly reduced, is suitable for having the application scenario strictly limited to leakage current and common-mode noise.
Description
Technical field
The invention belongs to high efficiency, high power density PFC rectifier technical fields, and in particular to a kind of single-phase three level without
Bridge PFC rectifiers.
Background technology
The uncontrollable capacitive character rectification circuit that the input stage generally use of Switching Power Supply is made up of diode, this circuit
Major defect is that input current contains a large amount of low-order harmonic compositions, and power factor is very low, and power network is caused seriously to pollute.Using complete
The active PFC technologies that electronic power switch device is formed are controlled, harmonic content can be effectively reduced, improve power factor.Due to adopting
Controlled with HF switch, passive filtering element in active PFC circuit, as inductor, capacitor volume can greatly reduce, to carrying
The power density of high converter is highly beneficial.At present, the application of active PFC circuit is more and more extensive.
Two level Boost type pfc circuits are the most ripe and common.The circuit easily realizes that reliability is high, but exists several
Problem：1) inductive current high frequency switching ripple is big；2) switching device voltage stress is big；3) when input voltage is relatively low, diode
The on-state loss of rectifier bridge is big.These problems can increase the volume of rectifier, cost, reduce efficiency.
To solve the above problems, Chinese invention patent (Authorization Notice No. CN101728964 authorized announcement date 2012.1.4)
The Bridgeless power of proposition, the efficiency of converter when can improve low input, and will
Inductive current ripple is reduced by about 50%, but in the half period of supply voltage, has a DC capacitor to be constantly in electric discharge shape
State, it is therefore necessary to using larger capacity and the electric capacity of volume, add volume, cost.Foreign scholar proposes one kind single-phase three
Level non-bridge PFC circuits, the uniform charge and discharge in half of power cycle of two DC capacitors can be realized, thus electricity can be reduced
Hold capacity and volume, but common-mode noise is larger, is unfavorable for electromagnetic interface filter design.Installed additional between rectifier main circuit and casing
The method of common mode filtering electric capacity (Y capacitance), can effectively reduce the common-mode noise of rectifier, but can increase leakage current and safety wind
Danger.
The content of the invention
Deficiency of the purpose of the present invention aiming at above-mentioned technology, there is provided one kind can not increase leakage current and security risk
Under the premise of greatly reduce the single-phase three level non-bridge PFC rectifier of rectifier common mode current.
To achieve the above object, the single-phase three level non-bridge PFC rectifier designed by the present invention, including cross bar switch filtering
Network, electronic power switch network, DC capacitor C1With DC capacitor C2；The first input end of the cross bar switch filter network
With supply voltage vsFirst end be connected, the second input of the cross bar switch filter network and supply voltage vsThe second end
It is connected, the first output end of the cross bar switch filter network is connected with the first input end of the electronic power switch network,
Second output end of the cross bar switch filter network is connected with the second input of the electronic power switch network.
Further, the cross bar switch filter network 1 includes electronic switch Sp, electronic switch Sn, inductance L1, inductance L2、
Electric capacity CpWith electric capacity Cn；The electronic switch SpWith the electric capacity CpForm the first series arm, the electronic switch SnWith it is described
Electric capacity CnForm the second series arm；Electronic switch S described in first series armpFree end and the inductance L1First
The connected first input end as the cross bar switch filter network in end and supply voltage vsFirst end be connected, first series connection branch
Electric capacity C described in roadpFree end and the inductance L2The second end be connected as the second defeated of the cross bar switch filter network
Go out end；Electronic switch S described in second series armnFree end and the inductance L1The second end be connected be used as the intersection
First output end of switch filtering network, electric capacity C described in the second series armnFree end and the inductance L2First end
The second input and supply voltage v being connected as the cross bar switch filter networksThe second end be connected；
The electronic power switch network includes diode D1, diode D2, diode D3, diode D4, diode D5, two
Pole pipe D6, diode D7, diode D8, switch mosfet pipe T1And switch mosfet pipe T2；The diode D1Anode respectively with
The diode D2Negative electrode, the diode D5Negative electrode, the diode D6Anode is connected, the diode D3Anode respectively with
The diode D4Negative electrode, the diode D7Negative electrode, the diode D8Anode is connected, the diode D1Negative electrode with it is described
Diode D3Negative electrode is connected, the diode D2Anode and the diode D4Anode is connected, the switch mosfet pipe T1Source electrode
Respectively with the diode D5Anode, the diode D7Anode is connected, the switch mosfet pipe T1Drain electrode and the MOSFET
Switch transistor T2Source electrode is connected, the switch mosfet pipe T2Drain electrode respectively with the diode D6Negative electrode, the diode D8Negative electrode
It is connected；Second output end of the cross bar switch filter network and the diode D4Negative electrode be connected, cross bar switch filter
First output end of wave network and the diode D1Anode be connected.
Further, the DC capacitor C1Positive pole is connected to the diode D1Negative electrode and the diode D3Negative electrode
Contact, the DC capacitor C1Negative pole is connected to the switch mosfet pipe T1Drain electrode and the switch mosfet pipe T2Source electrode
Contact；The DC capacitor C2Positive pole and the DC capacitor C1Negative pole is connected, the DC capacitor C2Negative pole is connected to described two
Pole pipe D2Anode and the diode D4The contact of anode.
Further, the DC capacitor C1Voltage and DC capacitor C2Voltage it is equal.
The present invention compared with prior art, has advantages below：Cross bar switch filter network is incorporated into existing three electricity
In flat non-bridge PFC rectifier, the advantage of original three level non-bridge PFC rectifier can not only be kept, and electric leakage can not increased
Under the premise of stream and security risk, the common mode current of rectifier is greatly reduced, is suitable for having strict limit to leakage current and common-mode noise
The application scenario of system.
Brief description of the drawings
Fig. 1 is the single-phase three level non-bridge PFC rectifier circuit figure of the present invention；
Fig. 2 a~2h are the present embodiment rectifiers in supply voltage vsThe circuit diagram of mode is respectively switched in a cycle；
Fig. 3 is the present embodiment rectifier in supply voltage vsCommon mode equivalent circuit during positive half cycle；
Fig. 4 is the present embodiment rectifier in supply voltage vsCommon mode equivalent circuit during negative half period.
Each part numbers are as follows in figure：
Cross bar switch filter network 1, electronic power switch network 2.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
It is a kind of physical circuit figure of single-phase three level non-bridge PFC rectifier as shown in Figure 1, the rectifier is opened including intersection
Close filter network 1, electronic power switch network 2, DC capacitor C1With DC capacitor C2；Cross bar switch filter network 1 have two it is defeated
Enter end (i.e. first input end and the second input) and two output ends (i.e. the first output end and the second output end), wherein, hand over
Fork closes the first input end and supply voltage v of filter network 1sFirst end be connected, the second of cross bar switch filter network 1 is defeated
Enter end and supply voltage vsThe second end be connected, the first output end of cross bar switch filter network 1 and electronic power switch network 2
First input end be connected, the second output end of cross bar switch filter network 1 and the second input of electronic power switch network 2
It is connected.
Cross bar switch filter network 1 includes electronic switch Sp, electronic switch Sn, inductance L1, inductance L2, electric capacity CpAnd electric capacity
Cn, electronic switch SpWith electric capacity CpForm the first series arm, electronic switch SnWith electric capacity CnForm the second series arm.First string
Join electronic switch S in branch roadpFree end and inductance L1First end be connected as cross bar switch filter network 1 first input
End and supply voltage vsFirst end be connected, electric capacity C in the first series armpFree end and inductance L2The second end phase continuous cropping
For the second output end of cross bar switch filter network 1；Electronic switch S in second series armnFree end and inductance L1Second
End is connected the first output end as cross bar switch filter network 1, electric capacity C in the second series armnFree end and inductance L2's
Connected the second input as cross bar switch filter network 1 of first end and supply voltage vsThe second end be connected.
Electronic power switch network 2 includes diode D1, diode D2, diode D3, diode D4, diode D5, two poles
Pipe D6, diode D7, diode D8, switch mosfet pipe T1And switch mosfet pipe T2；Diode D1Anode respectively with diode
D2Negative electrode, diode D5Negative electrode, diode D6Anode is connected, diode D3Anode respectively with diode D4Negative electrode, diode D7It is cloudy
Pole, diode D8Anode is connected, diode D1Negative electrode and diode D3Negative electrode is connected, diode D2Anode and diode D4Anode phase
Even, switch mosfet pipe T1Source electrode respectively with diode D5Anode, diode D7Anode is connected, switch mosfet pipe T1Drain electrode and
Switch mosfet pipe T2Source electrode is connected, switch mosfet pipe T2Drain electrode respectively with diode D6Negative electrode, diode D8Negative electrode is connected,
And electric capacity C in the first series arm in cross bar switch filter network 1pFree end and inductance L2The second end be connected as intersect
Second output end of switch filtering network 1 and diode D4Negative electrode be connected, electronic switch S in the second series armnFree end
With inductance L1The second end be connected as cross bar switch filter network 1 the first output end and diode D1Anode be connected.
DC capacitor C1Positive pole is connected to diode D1Negative electrode and diode D3The contact of negative electrode, DC capacitor C1Negative pole connects
It is connected to switch mosfet pipe T1Drain electrode and switch mosfet pipe T2The contact of source electrode；DC capacitor C2Positive pole and DC capacitor C1It is negative
Extremely it is connected, DC capacitor C2Negative pole is connected to diode D2Anode and diode D4The contact of anode.DC capacitor C1, direct current
Hold C2Voltage it is equal, i.e.,
The rectifier operation principle of the present invention is described in detail (assuming that each diode in circuit below in conjunction with Fig. 2, Fig. 3 and Fig. 4
It is zero) with switch mosfet pipe conducting voltage：
As Fig. 2 a~2h show the circuit diagram of rectifier each switch mode in supply voltage a cycle of the present invention.
The rectifier is altogether containing 8 switch mode, wherein supply voltage vsPositive half cycle 4 (as shown in Fig. 2 a~2d), supply voltage vsNegative half
All 4 (as shown in Fig. 2 e~2h).
In the switch mode 1 shown in Fig. 2 a, electronic switch SpClosure, electronic switch SnDisconnect；Diode D6, diode
D7, switch mosfet pipe T1, switch mosfet pipe T2Conducting；Diode D1, diode D2, diode D3, diode D4, diode
D5, diode D8Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CpThe LCL filter of composition, diode D6,
Diode D7, switch mosfet pipe T1With switch mosfet pipe T2.Ac input end A, B point-to-point transmission of electronic power switch network 2
Voltage vAB=0.Electric capacity C1, electric capacity C2To load discharge.
In the switch mode 2 shown in Fig. 2 b, electronic switch SpClosure, electronic switch SnDisconnect；Diode D1, diode
D7, switch mosfet pipe T1Conducting；Diode D2, diode D3, diode D4, diode D5, diode D6, diode D8、
Switch mosfet pipe T2Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CpThe LCL filter of composition, diode
D1, electric capacity C1, diode D7With switch mosfet pipe T1.Ac input end A, B point-to-point transmission voltage of electronic power switch network 2Electric capacity C1Charging, electric capacity C2To load discharge.
In the switch mode 3 shown in Fig. 2 c, electronic switch SpClosure, electronic switch SnDisconnect；Diode D4, diode
D6, switch mosfet pipe T2Conducting；Diode D1, diode D2, diode D3, diode D5, diode D7, diode D8、
Switch mosfet pipe T1Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CpThe LCL filter of composition, diode
D6, switch mosfet pipe T2, electric capacity C2With diode D4.Ac input end A, B point-to-point transmission voltage of electronic power switch network 2Electric capacity C2Charging, electric capacity C1To load discharge.
In the switch mode 4 shown in Fig. 2 d, electronic switch SpClosure, electronic switch SnDisconnect；Diode D1, diode
D4Conducting；Diode D2, diode D3, diode D5, diode D6, diode D7, diode D8, switch mosfet pipe T1、
Switch mosfet pipe T2Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CpThe LCL filter of composition, diode
D1, electric capacity C1, electric capacity C2With diode D4.Ac input end A, B point-to-point transmission voltage v of electronic power switch network 2AB=VC1+
VC2=Vo.Electric capacity C1, electric capacity C2Charging.
In the switch mode 5 shown in Fig. 2 e, electronic switch SnClosure, electronic switch SpDisconnect；Diode D5, diode
D8, switch mosfet pipe T1, switch mosfet pipe T2Conducting；Diode D1, diode D2, diode D3, diode D4, diode
D6, diode D7Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CnThe LCL filter of composition, diode D8,
Diode D5, switch mosfet pipe T1With switch mosfet pipe T2.Ac input end A, B point-to-point transmission of electronic power switch network 2
Voltage vAB=0.Electric capacity C1, electric capacity C2To load discharge.
In the switch mode 6 shown in Fig. 2 f, electronic switch SnClosure, electronic switch SpDisconnect；Diode D3, diode
D5, switch mosfet pipe T1Conducting；Diode D1, diode D2, diode D4, diode D6, diode D7, diode D8、
Switch mosfet pipe T2Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CnThe LCL filter of composition, diode
D3, electric capacity C1, diode D5With switch mosfet pipe T1.Ac input end A, B point-to-point transmission voltage of electronic power switch network 2Electric capacity C1Charging, electric capacity C2To load discharge.
In the switch mode 7 shown in Fig. 2 g, electronic switch SnClosure, electronic switch SpDisconnect；Diode D2, diode
D8, switch mosfet pipe T2Conducting；Diode D1, diode D3, diode D4, diode D5, diode D6, diode D7、
Switch mosfet pipe T1Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CnThe LCL filter of composition, diode
D8, switch mosfet pipe T2, electric capacity C2With diode D2.Ac input end A, B point-to-point transmission voltage of electronic power switch network 2Electric capacity C2Charging, electric capacity C1To load discharge.
In the switch mode 8 shown in Fig. 2 h, electronic switch SnClosure, electronic switch SpDisconnect；Diode D2, diode
D3Conducting；Diode D1, diode D4, diode D5, diode D6, diode D7, diode D8, switch mosfet pipe T1、
Switch mosfet pipe T2Shut-off.Power network current isFlow through by inductance L1, inductance L2With electric capacity CnThe LCL filter of composition, diode
D3, electric capacity C1, electric capacity C2With diode D2.Ac input end A, B point-to-point transmission voltage v of electronic power switch network 2AB=-(VC1+
VC2)=- Vo.Electric capacity C1, electric capacity C2Charging.
Define rectifier modulation ratio m be：
According to m values, electric capacity C1Voltage Vc1With electric capacity C2Voltage Vc2Size, control switch mosfet pipe T1, switch mosfet
Pipe T2, rectifier is operated in different states.
In supply voltage vsPositive half cycle, when 0<m<0.5 and Vc1<Vc2When, rectifier is switched between mode 1,2 is switched；
When 0<m<0.5 and Vc1>Vc2When, rectifier is switched between mode 1,3 is switched；When 0.5<m<1 and Vc1<Vc2When, make rectifier
Switch between mode 2,4 is switched；When 0.5<m<1 and Vc1>Vc2When, rectifier is switched between mode 3,4 is switched.
In supply voltage vsNegative half period, when -0.5<m<0 and Vc1<Vc2When, rectifier is switched between mode 5,6 is switched；
When -0.5<m<0 and Vc1>Vc2When, rectifier is switched between mode 5,7 is switched；When -1<m<- 0.5 and Vc1<Vc2When, make whole
Stream device switches between mode 6,8 is switched；When -1<m<- 0.5 and Vc1>Vc2When, rectifier is cut between mode 7,8 is switched
Change.
Rectifier is controlled by above-mentioned rule, it can be ensured that vABThe amplitude changed every time is VoHalf.With common two electricity
Flat Boost type PFC rectifiers are compared, can be by electricity under the premise of maintained switch frequency is consistent with maximum allowable inductive current ripple
Feel volume and reduce about 50%.And electric capacity C1With electric capacity C2Uniform charge and discharge can be realized in a quarter mains voltage cycle.
Rectifier of the present invention is illustrated in figure 3 in supply voltage vsCommon mode equivalent circuit during positive half cycle.C in figurecmBTo be whole
Flow the distribution capacity between device B points and casing, vcmIt is that electronic power switch device is electric in common mode caused by open/close state conversion
Press (vcmAmplitude be only VoHalf), icmBFor common mode current noise.According to Fig. 3, can draw：
Usually, inductance L1, inductance L2Value it is smaller, can ignore：
Rectifier of the present invention is illustrated in figure 4 in supply voltage vsCommon mode equivalent circuit during negative half period.C in figurecmATo be whole
Flow the distribution capacity between device A points and casing, vcmIt is that electronic power switch device is electric in common mode caused by open/close state conversion
Press (vcmAmplitude be only VoHalf), icmAFor common mode current noise.According to Fig. 4, can draw：
Ignore inductance L1, inductance L2：
In figs. 3 and 4, if electric capacity Cp=Cn=0, it can show that the common mode current of common three level non-bridge PFC rectifier is made an uproar
Sound：
Contrast (3) are understood with formula (6), formula (5) and formula (7), the single-phase three level non-bridge PFC rectification of modified of the invention
Device can utilize the differential mode capacitor C intersected in filter networkpAnd Cn, on the premise of leakage current and security risk is not increased, effectively
Reduce the common mode current between three level non-bridge PFC rectifier main circuits and casing.
It is to be understood that：Above-mentioned embodiment is the description of the invention, rather than limitation of the present invention, is appointed
Why not exceed the innovation and creation in scope of the present invention, each fall within protection scope of the present invention.
Claims (4)
1. a kind of single-phase three level non-bridge PFC rectifier, including cross bar switch filter network, electronic power switch network, direct current
Electric capacity C1With DC capacitor C2；It is characterized in that：The first input end of the cross bar switch filter network and supply voltage vs
One end is connected, the second input and the supply voltage v of the cross bar switch filter networksThe second end be connected, the intersection is opened
The first output end for closing filter network is connected with the first input end of the electronic power switch network, the cross bar switch filtering
Second output end of network is connected with the second input of the electronic power switch network.
2. single-phase three level non-bridge PFC rectifier according to claim 1, it is characterised in that：The cross bar switch filters net
Network 1 includes electronic switch Sp, electronic switch Sn, inductance L1, inductance L2, electric capacity CpWith electric capacity Cn；The electronic switch SpWith it is described
Electric capacity CpForm the first series arm, the electronic switch SnWith the electric capacity CnForm the second series arm；First series arm
Described in electronic switch SpFree end and the inductance L1First end be connected as the cross bar switch filter network first
Input and supply voltage vsFirst end be connected, electric capacity C described in the first series armpFree end and the inductance L2's
Connected the second output end as the cross bar switch filter network in second end；Electronic switch S described in second series armn's
Free end and the inductance L1The second end be connected the first output end as the cross bar switch filter network, the second series connection is propped up
Electric capacity C described in roadnFree end and the inductance L2First end be connected as the second defeated of the cross bar switch filter network
Enter end and supply voltage vsThe second end be connected；
The electronic power switch network includes diode D1, diode D2, diode D3, diode D4, diode D5, diode
D6, diode D7, diode D8, switch mosfet pipe T1And switch mosfet pipe T2；The diode D1Anode respectively with it is described
Diode D2Negative electrode, the diode D5Negative electrode, the diode D6Anode is connected, the diode D3Anode respectively with it is described
Diode D4Negative electrode, the diode D7Negative electrode, the diode D8Anode is connected, the diode D1Negative electrode and two pole
Pipe D3Negative electrode is connected, the diode D2Anode and the diode D4Anode is connected, the switch mosfet pipe T1Source electrode is distinguished
With the diode D5Anode, the diode D7Anode is connected, the switch mosfet pipe T1Drain electrode and the switch mosfet
Pipe T2Source electrode is connected, the switch mosfet pipe T2Drain electrode respectively with the diode D6Negative electrode, the diode D8Negative electrode phase
Even；Second output end of the cross bar switch filter network and the diode D4Negative electrode be connected, cross bar switch filtering
First output end of network and the diode D1Anode be connected.
3. single-phase three level non-bridge PFC rectifier according to claim 2, it is characterised in that：The DC capacitor C1Positive pole connects
It is connected to the diode D1Negative electrode and the diode D3The contact of negative electrode, the DC capacitor C1Negative pole is connected to described
Switch mosfet pipe T1Drain electrode and the switch mosfet pipe T2The contact of source electrode；The DC capacitor C2Positive pole and the direct current
Electric capacity C1Negative pole is connected, the DC capacitor C2Negative pole is connected to the diode D2Anode and the diode D4Anode connects
Point.
4. single-phase three level non-bridge PFC rectifier according to claim 3, it is characterised in that：The DC capacitor C1Voltage
With DC capacitor C2Voltage it is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935167.0A CN107579671A (en) | 2017-10-10 | 2017-10-10 | Single-phase three level non-bridge PFC rectifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710935167.0A CN107579671A (en) | 2017-10-10 | 2017-10-10 | Single-phase three level non-bridge PFC rectifier |
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| CN107579671A true CN107579671A (en) | 2018-01-12 |
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| CN201710935167.0A Pending CN107579671A (en) | 2017-10-10 | 2017-10-10 | Single-phase three level non-bridge PFC rectifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187087A (en) * | 2020-09-09 | 2021-01-05 | 三峡大学 | Expandable multi-level rectifier |
| CN112865560A (en) * | 2021-01-28 | 2021-05-28 | 三峡大学 | Multi-diode series back-to-back bridgeless three-level rectifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5777866A (en) * | 1995-05-26 | 1998-07-07 | Lucent Technologies Inc. | Power factor control for switched mode rectifiers with improved representing of currents in EMI capacitive elements |
| JP2003033033A (en) * | 2001-07-23 | 2003-01-31 | Harison Toshiba Lighting Corp | Rectifying and smoothing circuit |
| CN101202498A (en) * | 2007-10-31 | 2008-06-18 | 葛铮 | Non-rectifying bridge type PFC circuit |
| CN101471610A (en) * | 2007-12-27 | 2009-07-01 | 冬雷 | Single-switch AC chopping voltage-regulating device |
| CN206077218U (en) * | 2016-07-06 | 2017-04-05 | 中国东方电气集团有限公司 | A kind of three-phase PWM current transformer output DUDT wave filter based on auxiliary capacitor branch road |
-
2017
- 2017-10-10 CN CN201710935167.0A patent/CN107579671A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5777866A (en) * | 1995-05-26 | 1998-07-07 | Lucent Technologies Inc. | Power factor control for switched mode rectifiers with improved representing of currents in EMI capacitive elements |
| JP2003033033A (en) * | 2001-07-23 | 2003-01-31 | Harison Toshiba Lighting Corp | Rectifying and smoothing circuit |
| CN101202498A (en) * | 2007-10-31 | 2008-06-18 | 葛铮 | Non-rectifying bridge type PFC circuit |
| CN101471610A (en) * | 2007-12-27 | 2009-07-01 | 冬雷 | Single-switch AC chopping voltage-regulating device |
| CN206077218U (en) * | 2016-07-06 | 2017-04-05 | 中国东方电气集团有限公司 | A kind of three-phase PWM current transformer output DUDT wave filter based on auxiliary capacitor branch road |
Non-Patent Citations (1)
| Title |
|---|
| ANDR´E DE BASTIANI LANGE ET AL.: "Three-Level Single-Phase Bridgeless PFC Rectifiers", 《IEEE TRANSACTIONS ON POWER ELECTRONICS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187087A (en) * | 2020-09-09 | 2021-01-05 | 三峡大学 | Expandable multi-level rectifier |
| CN112187087B (en) * | 2020-09-09 | 2021-10-08 | 三峡大学 | Expandable multi-level rectifier |
| CN112865560A (en) * | 2021-01-28 | 2021-05-28 | 三峡大学 | Multi-diode series back-to-back bridgeless three-level rectifier |
| CN112865560B (en) * | 2021-01-28 | 2022-05-03 | 三峡大学 | Multi-diode series back-to-back bridgeless three-level rectifier |
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Application publication date: 20180112 |
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