CN105429452A - Common-mode rejection dual-Boost bridgeless PFC converter - Google Patents
Common-mode rejection dual-Boost bridgeless PFC converter Download PDFInfo
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- CN105429452A CN105429452A CN201510971562.5A CN201510971562A CN105429452A CN 105429452 A CN105429452 A CN 105429452A CN 201510971562 A CN201510971562 A CN 201510971562A CN 105429452 A CN105429452 A CN 105429452A
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- electric capacity
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- inductance
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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
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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
- H02M1/44—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
Abstract
The invention discloses a common-mode rejection dual-Boost bridgeless PFC converter. The converter comprises two inductors, two IGBTs, four diodes and three capacitors, wherein one end of the first inductor is connected with one end of an input voltage and one end of the first capacitor; the other end of the first inductor is connected with the collector of the first IGBT, the emitter of the second IGBT, the anode of the first diode and the cathode of the third diode; one end of the second inductor is connected with the other end of the input voltage and one end of the second capacitor; the other end of the second inductor is connected with the emitter of the first IGBT, the collector of the second IGBT, the anode of the second diode and the cathode of the fourth diode; the positive electrode of the third capacitor is connected with the cathode of the first diode, the cathode of the second diode and one end of a load; and the negative electrode of the third capacitor is connected with the anode of the third diode, the anode of the fourth diode, the other end of the first capacitor, the other end of the second capacitor and the other end of the load. The common-mode rejection dual-Boost bridgeless PFC converter is simple in circuit structure, low in loss and high in efficiency.
Description
Technical field
The present invention relates to AC/DC and convert field, particularly relate to the two Boost Bridgeless power factor circuit correcting circuit of a kind of common mode inhibition.
Background technology
Use bridge-type uncontrollable rectifier a large amount of at present not only causes serious harmonic pollution to electrical network, and the waste that also result in electric energy on the low side of AC side Power Factor.Power factor correction technology can realize ac-side current and follow the tracks of AC voltage, can improve the power factor of AC.
Traditional Boost type pfc circuit causes the efficiency of complete machine on the low side due to the existence of rectifier bridge.In order to improve conversion efficiency, PFC develops into non-bridge PFC from traditional bridge PFC that has.But extensively the usual common mode disturbances of non-bridge PFC circuits of research is larger at present, and efficiency neither be very high.
In order to solve the above problems, the present invention proposes the two Boost non-bridge PFC converter of a kind of common mode inhibition.
Summary of the invention
The problem such as large for existing pfc circuit power loss, efficiency is on the low side and existing non-bridge PFC circuits common mode disturbances is large, the object of the invention is to the two Boost non-bridge PFC converter of a kind of common mode inhibition, can reduce circuit loss, suppress common mode disturbances.
In order to reach the above object, the present invention adopts following technical scheme.
The two Boost non-bridge PFC converter of a kind of common mode inhibition, be made up of two inductance, two IGBT not with anti-paralleled diode, four diodes, three electric capacity: one end of the first inductance is connected with the one end in input ac voltage source, one end of the first electric capacity respectively, the other end of the first inductance is connected with the collector electrode of an IGBT, the emitter of the 2nd IGBT, the anode of the first diode, the negative electrode of the 3rd diode respectively; One end of second inductance is connected with the other end in input ac voltage source, one end of the second electric capacity respectively, and the other end of the second inductance is connected with the emitter of an IGBT, the collector electrode of the 2nd IGBT, the anode of the second diode, the negative electrode of the 4th diode respectively; The positive pole of the 3rd electric capacity is connected with the negative electrode of the first diode, the negative electrode of the second diode, one end of load respectively, and the negative pole of the 3rd electric capacity is connected with the anode of the 3rd diode, the anode of the 4th diode, the other end of the first electric capacity, the other end of the second electric capacity, the other end of load respectively.
The present invention adopts IGBT not with anti-paralleled diode, can Loss reducing further.First electric capacity and the second electric capacity are polarity free capacitor, for eliminating the common mode disturbances of circuit, do not affect the structure of circuit.Increase the first electric capacity and the second electric capacity between the both sides in input ac voltage source and Power Groud respectively, the first electric capacity and the second electric capacity add a road high-frequency circuit passage between Power Groud and input ac voltage source, have slackened common mode disturbances.3rd electric capacity is for having polar capacitor and enough large, and can stablize the direct voltage at the 3rd electric capacity two ends, output dc voltage equals the direct voltage at the 3rd electric capacity two ends.
When input ac voltage source is at positive half cycle, bears forward voltage between the collector and emitter of an IGBT, its turn-on and turn-off can be controlled by given signal, and bear reverse voltage between the collector and emitter of the 2nd IGBT and turn off; When being operated in interchange positive half period, alternating-current voltage source, the first inductance, the second inductance, an IGBT, the first diode and the 4th diode, the 3rd electric capacity form a Boost circuit jointly.
When input ac voltage source is at negative half period, bears forward voltage between the collector and emitter of the 2nd IGBT, its turn-on and turn-off can be controlled by given signal, and bear reverse voltage between the collector and emitter of an IGBT and turn off; When being operated in interchange negative half-cycle, alternating-current voltage source, the first inductance, the second inductance, the 2nd IGBT, the second diode and the 3rd diode, electric capacity form another Boost circuit jointly.
Compared with prior art, tool of the present invention has the following advantages and beneficial effect:
1, circuit structure is simple
The present invention adopts two IGBT not with anti-paralleled diode to be operated in the positive-negative half-cycle in input ac voltage source respectively, and each half cycle can be considered as a Boost circuit.
2, loss is low, efficiency is high
The present invention adopts the IGBT not with anti-paralleled diode, only has a switch device conductive, eliminates rectifier bridge etc., all reduce or decrease loss, improve complete machine efficiency of transmission in induction charging loop.
3, common mode disturbances inhibition is good
The present invention, compared with traditional bridgeless Boost pfc circuit, increases an electric capacity respectively between the both sides and Power Groud in input ac voltage source, makes to add a road high-frequency circuit passage between Power Groud and input power, has slackened common mode disturbances.
Accompanying drawing explanation
Fig. 1 is the two Boost non-bridge PFC transformer configuration figure of a kind of common mode inhibition of the present invention;
Fig. 2 a, Fig. 2 b are the operating diagram of circuit shown in Fig. 1 when the one IGBT pipe turns on and off when the positive half cycle of input ac voltage respectively;
Fig. 3 a, Fig. 3 b are the operating diagram of circuit shown in Fig. 1 when the 2nd IGBT pipe turns on and off when input ac voltage negative half period respectively;
Fig. 4 is the oscillogram that emulation obtains AC input ac voltage and electric current;
Fig. 5 is the oscillogram that emulation obtains DC side output dc voltage.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail illustrates, but embodiments of the present invention are not limited thereto.If have process or the parameter of not special detailed description it is noted that following, be all that those skilled in the art can refer to existing techniques in realizing.
As shown in Figure 1, the two Boost non-bridge PFC converter of a kind of common mode inhibition is made up of two inductance (L1-L2), two IGBT (S1-S2) not with anti-paralleled diode, four diodes (D1-D4), three electric capacity (C1-C3): one end of the first inductance L 1 is connected with one end of input ac voltage source Vin, one end of the first electric capacity C1 respectively, and the other end of the first inductance L 1 is connected with the collector electrode of an IGBTS1, the emitter of the 2nd IGBTS2, the anode of the first diode D1, the negative electrode of the 3rd diode D3 respectively; One end of second inductance L 2 is connected with the other end of input ac voltage source Vin, one end of the second electric capacity C2 respectively, and the other end of the second inductance L 2 is connected with the emitter of an IGBTS1, the collector electrode of the 2nd IGBTS2, the anode of the second diode D2, the negative electrode of the 4th diode D4 respectively; The positive pole of the 3rd electric capacity C3 is connected with the negative electrode of the first diode D1, the negative electrode of the second diode D2, one end of load R respectively, and the negative pole of the 3rd electric capacity C3 is connected with the anode of the 3rd diode D3, the anode of the 4th diode D4, the other end of the first electric capacity C1, the other end of the second electric capacity C2, the other end of load R respectively.
As Fig. 2 a ~ 2b, when input ac voltage source Vin is operated in positive half cycle, bear forward voltage between the collector and emitter of the one IGBTS1, its turn-on and turn-off can be controlled by given signal, and bear reverse voltage between the collector and emitter of the 2nd IGBTS2 and turn off; When being operated in interchange positive half period, alternating-current voltage source Vin, the first inductance L 1, second inductance L 2, an IGBTS1, the first diode D1 and the 4th diode D4, the 3rd electric capacity C3 form a Boost circuit jointly.When control the one IGBT pipe S1 conducting, input ac voltage source Vin carries out charging energy-storing to the first inductance L 1 and the second inductance L 2 forward, and the 3rd electric capacity C3 discharges to load R.When control the one IGBT pipe S1 turns off, input ac voltage source Vin, the first inductance L 1, second inductance L 2, first diode D1 and the 4th diode D4, the 3rd electric capacity C3 and load R form a loop, and now the 3rd electric capacity C3 charges.According to the turn-on and turn-off time of requirement adjustment the one IGBT pipe S1 of output dc voltage U0.
As Fig. 3 a ~ 3b, when input ac voltage source Vin is operated in negative half period, bear forward voltage between the collector and emitter of the 2nd IGBTS2, its turn-on and turn-off can be controlled by given signal, and bear reverse voltage between the collector and emitter of an IGBTS1 and turn off; When being operated in interchange negative half-cycle, alternating-current voltage source Vin, the first inductance L 1, second inductance L 2, the 2nd IGBTS2, the second diode D2 and the 3rd diode D3, the 3rd electric capacity C3 form another Boost circuit jointly.When control the 2nd IGBTS2 conducting, input ac voltage source Vin is reversed charging energy-storing to the first inductance L 1 and the second inductance L 2, and the 3rd electric capacity C3 discharges to load R.When control the 2nd IGBT pipe S2 turns off, input ac voltage source Vin, the first inductance L 1, second inductance L 2, second diode D2 and the 3rd diode D3, the 3rd electric capacity C3 and load R form a loop, and now the 3rd electric capacity C3 charges.According to the turn-on and turn-off time of requirement adjustment the 2nd IGBTS2 of output dc voltage U0.
As Fig. 4, simulation parameter is: input ac power Vin=220V/50HZ, inductance L 1=L2=1.5mH, power output Pout=1kW, 3rd electric capacity C3=1000 μ F, the first electric capacity C1=second electric capacity C2=3.5nF, output dc voltage Uo=400V, IGBT switching frequency fs=50HZ, IGBT selects the FGW40N120H of Infineon.Experimental verification AC input current of the present invention follows the tracks of input voltage, and can realize unity power factor and run, current harmonics is little.
As Fig. 5, under same experiment parameter, obtain DC side output voltage stabilization, ripple is little.
Those skilled in the art can make various amendment to this specific embodiment or supplement or adopt similar mode to substitute under the prerequisite without prejudice to principle of the present invention and essence, but these changes all fall into protection scope of the present invention.Therefore the technology of the present invention scope is not limited to above-described embodiment.
Claims (5)
1. the two Boost non-bridge PFC converter of common mode inhibition, it is characterized in that, comprise two inductance (L1-L2), two IGBT (S1-S2) not with anti-paralleled diode, four diodes (D1-D4) and three electric capacity (C1-C3): one end of the first inductance (L1) respectively with one end of input ac voltage source (Vin), one end of first electric capacity (C1) connects, the other end of the first inductance (L1) respectively with the collector electrode of an IGBT (S1), the emitter of the 2nd IGBT (S2), the anode of the first diode (D1), the negative electrode of the 3rd diode (D3) connects, one end of second inductance (L2) is connected with the other end of input ac voltage source (Vin), one end of the second electric capacity (C2) respectively, and the other end of the second inductance (L2) is connected with the emitter of an IGBT (S1), the collector electrode of the 2nd IGBT (S2), the anode of the second diode (D2), the negative electrode of the 4th diode (D4) respectively, the positive pole of the 3rd electric capacity (C3) is connected with the negative electrode of the first diode (D1), the negative electrode of the second diode (D2), one end of load (R) respectively, and the negative pole of the 3rd electric capacity (C3) is connected with the anode of the 3rd diode (D3), the anode of the 4th diode (D4), the other end of the first electric capacity (C1), the other end of the second electric capacity (C2), the other end of load (R) respectively.
2. the two Boost non-bridge PFC converter of a kind of common mode inhibition according to claim 1, it is characterized in that, described first electric capacity (C1) increased between the both sides in input ac voltage source (Vin) and Power Groud and the second electric capacity (C2), first electric capacity (C1) and the second electric capacity (C2) add a road high-frequency circuit passage between Power Groud and input ac voltage source (Vin), have slackened common mode disturbances; First electric capacity (C1) and the second electric capacity (C2) are polarity free capacitor.
3. the two Boost non-bridge PFC converter of a kind of common mode inhibition according to claim 1, it is characterized in that, 3rd electric capacity (C3) is for having polar capacitor and enough large with the direct voltage stablizing the 3rd electric capacity (C3) two ends, and output dc voltage (U0) equals the direct voltage at the 3rd electric capacity (C3) two ends.
4. the two Boost non-bridge PFC converter of a kind of common mode inhibition according to claim 1, it is characterized in that, when input ac voltage source (Vin) is at positive half cycle, one IGBT(S1) collector and emitter between bear forward voltage, an IGBT(S1 can be controlled by given signal) turn-on and turn-off, and the 2nd IGBT(S2) collector and emitter between bear reverse voltage and turn off; When be operated in exchange positive half period time, alternating-current voltage source (Vin), the first inductance (L1), the second inductance (L2), an IGBT(S1), the first diode (D1) and the 4th diode (D4), the 3rd electric capacity (C3) forms a Boost circuit jointly.
5. the two Boost non-bridge PFC converter of a kind of common mode inhibition according to claim 1, it is characterized in that, when input ac voltage source (Vin) is at negative half period, 2nd IGBT(S2) collector and emitter between bear forward voltage, the 2nd IGBT(S2 can be controlled by given signal) turn-on and turn-off, and an IGBT(S1) collector and emitter between bear reverse voltage and turn off; When be operated in exchange negative half-cycle time, alternating-current voltage source (Vin), the first inductance (L1), the second inductance (L2), the 2nd IGBT(S2), the second diode (D2) and the 3rd diode (D3), electric capacity (C) forms another Boost circuit jointly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510971562.5A CN105429452A (en) | 2015-12-20 | 2015-12-20 | Common-mode rejection dual-Boost bridgeless PFC converter |
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| CN201510971562.5A CN105429452A (en) | 2015-12-20 | 2015-12-20 | Common-mode rejection dual-Boost bridgeless PFC converter |
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| CN105429452A true CN105429452A (en) | 2016-03-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111669066A (en) * | 2020-04-16 | 2020-09-15 | 山西大学 | Bridgeless double-Boost power factor correction rectifier with auxiliary loop freewheeling optimization |
| CN111934567A (en) * | 2020-04-16 | 2020-11-13 | 山西大学 | Bridgeless double-Boost power factor correction rectifier for left-right alternate auxiliary commutation |
| CN111934568A (en) * | 2020-04-16 | 2020-11-13 | 山西大学 | Bridgeless double-Boost power factor correction rectifier capable of alternately assisting current conversion up and down |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635528A (en) * | 2009-08-28 | 2010-01-27 | 南京航空航天大学 | Forward single-stage isolated inverter |
| CN102751861A (en) * | 2011-04-21 | 2012-10-24 | 艾默生网络能源系统北美公司 | Bridgeless power factor correction circuit |
| CN205212694U (en) * | 2015-12-20 | 2016-05-04 | 华南理工大学 | Two boost of common mode rejection do not have bridge PFC converter |
-
2015
- 2015-12-20 CN CN201510971562.5A patent/CN105429452A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635528A (en) * | 2009-08-28 | 2010-01-27 | 南京航空航天大学 | Forward single-stage isolated inverter |
| CN102751861A (en) * | 2011-04-21 | 2012-10-24 | 艾默生网络能源系统北美公司 | Bridgeless power factor correction circuit |
| CN205212694U (en) * | 2015-12-20 | 2016-05-04 | 华南理工大学 | Two boost of common mode rejection do not have bridge PFC converter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111669066A (en) * | 2020-04-16 | 2020-09-15 | 山西大学 | Bridgeless double-Boost power factor correction rectifier with auxiliary loop freewheeling optimization |
| CN111934567A (en) * | 2020-04-16 | 2020-11-13 | 山西大学 | Bridgeless double-Boost power factor correction rectifier for left-right alternate auxiliary commutation |
| CN111934568A (en) * | 2020-04-16 | 2020-11-13 | 山西大学 | Bridgeless double-Boost power factor correction rectifier capable of alternately assisting current conversion up and down |
| CN111934568B (en) * | 2020-04-16 | 2021-11-19 | 山西大学 | Bridgeless double-Boost power factor correction rectifier capable of alternately assisting current conversion up and down |
| CN111934567B (en) * | 2020-04-16 | 2021-11-19 | 山西大学 | Bridgeless double-Boost power factor correction rectifier for left-right alternate auxiliary commutation |
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Application publication date: 20160323 |