CN105896957A - High-efficiency single-phase active power factor correction circuit - Google Patents
High-efficiency single-phase active power factor correction circuit Download PDFInfo
- Publication number
- CN105896957A CN105896957A CN201610416938.0A CN201610416938A CN105896957A CN 105896957 A CN105896957 A CN 105896957A CN 201610416938 A CN201610416938 A CN 201610416938A CN 105896957 A CN105896957 A CN 105896957A
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- China
- Prior art keywords
- circuit
- semiconductor
- oxide
- metal
- booster circuit
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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
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
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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
- 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
Abstract
The invention relates to a high-efficiency single-phase active power factor correction circuit. The high-efficiency single-phase active power factor correction circuit comprises a boost circuit, a feedback circuit, a control circuit, a driving circuit, a diode D1 and a filter capacitor C1, wherein a DC input end positive electrode of the boost circuit is connected with an anode of the diode D1, a cathode of the diode D1 is connected with the DC input end positive electrode of the boost circuit, the two ends of the filter capacitor C1 are separately connected with a positive electrode and a negative electrode of the output end of the boost circuit, the output end of the boost circuit is connected with the input end of the feedback circuit, the output end of the feedback circuit is connected with the input end of the control circuit, and the output end of the control circuit is connected with a control end of the boost circuit through the driving circuit. The high-efficiency single-phase active power factor correction circuit uses a few components, is simple structure and also adopts a metal-oxide-semiconductor (MOS) transistor component; compared with components such as a crystal triode and a diode, the high-efficiency single-phase active power factor correction circuit has the advantages that the loss is greatly reduced; and meanwhile, the fault generation probability is reduced, and the system reliability is improved.
Description
Technical field
The present invention relates to capability correction technical field, be specifically related to a kind of high efficiency single-phase APFC.
Background technology
At present, Switching Power Supply for bridge rectifier, input power network current is the burst pulse that raising and lowering is the steepest, the virtual value of these current impulses is the highest, power consumption and produce more RFI/EMI problem, it is thus desirable to PFC, especially when power is more than 1000W, efficient, reliable, voltage stabilization etc. can be kept.
Generally, the Boost of pulsewidth modulation is used to realize PFC, so when there being heavy current pulse, inductance is easily saturated, and is easily damaged other device, increases loss, and additional components and parts also can increase loss, reliability is relatively low, and power is typically smaller than 200W.
In controller circuitry of today, use to capacity cell has been an indispensable part, therefore the course of action of electric capacity also can produce impact to the overall performance of circuit, use especially for larger capacitance, if only with passive electric discharge, being limited to controller inner space and discharge resistance Power Limitation, discharge time is longer, there is high pressure disclosure risk.Therefore, the generation of above-mentioned risk to be avoided, it is necessary to electric capacity discharge circuit quickly is set, is once in an emergency, can at short notice electric capacity be discharged.But, so far not about the open report of electric machine controller for motor vehicle electric capacity active discharge circuit.
Summary of the invention
It is an object of the invention to provide the high efficiency single-phase APFC that a kind of circuit structure is simple, high efficiency, reliability are high.
For achieving the above object, present invention employs techniques below scheme:
A kind of high efficiency single-phase APFC, including booster circuit, feedback circuit, control circuit, drive circuit, diode D1 and filter capacitor C1, the direct-flow input end positive pole of described booster circuit is connected with the anode of diode D1, the negative electrode of diode D1 is connected with the DC output end positive pole of booster circuit, the two ends of described filter capacitor C1 are respectively with booster circuit outfan just, negative pole is connected, the outfan of described booster circuit is connected with the input of feedback circuit, the outfan of feedback circuit is connected with the input of control circuit, the outfan of control circuit is connected with the control end of booster circuit through drive circuit.
Described booster circuit is made up of inductance L1, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2, the direct-flow input end positive pole that one end is booster circuit of described inductance L1, the other end of inductance L1 is connected with the source electrode of metal-oxide-semiconductor Q1, the DC output end positive pole that drain electrode is booster circuit of metal-oxide-semiconductor Q1, the drain electrode of metal-oxide-semiconductor Q2 is connected with the source electrode of metal-oxide-semiconductor Q1, the source electrode of metal-oxide-semiconductor Q2 is the DC output end negative pole of booster circuit, and the grid of described metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 is connected with the outfan of drive circuit respectively.
Described control circuit uses APFC control chip.
As shown from the above technical solution, the components and parts that Single-Phase Active Power Factor Correction Circuit of the present invention uses are less, simple in construction, and use metal-oxide-semiconductor components and parts, compared with components and parts this with crystal triode and diode, greatly reduce loss, also reduce the probability broken down simultaneously, improve the reliability of system.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, the high efficiency single-phase APFC of the present embodiment, including booster circuit 1, feedback circuit 2, control circuit 3, drive circuit 4, diode D1 and filter capacitor C1, the direct-flow input end positive pole of booster circuit 1 is connected with the anode of diode D1, the negative electrode of diode D1 is connected with the DC output end positive pole of booster circuit 1, the two ends of filter capacitor C1 are respectively with booster circuit 1 outfan just, negative pole is connected, the outfan of booster circuit 1 is connected with the input of feedback circuit 2, the outfan of feedback circuit 2 is connected with the input of control circuit 3, the outfan of control circuit 3 is connected with the control end of booster circuit 1 through drive circuit 4.
This booster circuit 1 is made up of inductance L1, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2, one end of inductance L1 is the direct-flow input end positive pole of booster circuit 1, the other end of inductance L1 is connected with the source electrode of metal-oxide-semiconductor Q1, the DC output end positive pole that drain electrode is booster circuit 1 of metal-oxide-semiconductor Q1, the drain electrode of metal-oxide-semiconductor Q2 is connected with the source electrode of metal-oxide-semiconductor Q1, the source electrode of metal-oxide-semiconductor Q2 is that the grid outfan with drive circuit 4 respectively of the DC output end negative pole of booster circuit 1, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 is connected.Described booster circuit direct-flow input end voltage range is: 265～350V.
The present invention uses DC/DC booster circuit to reach the purpose of boosting, and control circuit 3 uses APFC control chip.APFC control chip controls metal-oxide-semiconductor Q1 and the break-make of metal-oxide-semiconductor Q2, so that input current (and inductive current) is essentially identical with rectified input voltage waveform, reduces harmonic wave interference, improves power factor.The input signal of drive circuit 4 is that the output signal pulse width comparator modulation of the output signal by APFC control chip current amplifier and voltage error amplifier forms.
The input signal of drive circuit 4 is that the output signal pulse width comparator modulation of the output signal by the current amplifier in control circuit 3 and voltage error amplifier forms.The filter capacitor C1 charging after booster circuit 1 can be given in direct current input moment, now can produce the biggest electric current, particularly large power supply, if big electric current directly flows through the inductance L1 in booster circuit 1, inductance L1 can be because of saturated straight-through, so metal-oxide-semiconductor Q1 can be impacted, and then damage metal-oxide-semiconductor.And the diode D1 increased in the present invention, the big electric current of booting moment can be charged to electric capacity C1 by diode D1, and when charging is complete, the voltage of diode D1 negative electrode can be higher than anode, therefore ends, and circuit normal table works.Big electric current so can be avoided to directly flow through the inductance L1 in booster circuit, make inductance L1 avoid because of saturated and cause straight-through and metal-oxide-semiconductor Q1 is impacted, metal-oxide-semiconductor Q2 and the use of metal-oxide-semiconductor Q1 in circuit, greatly reduce loss, especially high power switching power supply.
Single-Phase Active Power Factor Correction Circuit of the present invention, circuit structure is simple, components and parts are less, power supply response is accelerated, its power factor is up to 0.99, reduce the probability of circuit malfunctions, not only increase the work efficiency of circuit, also improve the stability of circuit, reliability and safety simultaneously.
Embodiment described above is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (3)
1. a high efficiency single-phase APFC, it is characterized in that: include booster circuit (1), feedback circuit (2), control circuit (3), drive circuit (4), diode D1 and filter capacitor C1, the direct-flow input end positive pole of described booster circuit (1) is connected with the anode of diode D1, the negative electrode of diode D1 is connected with the DC output end positive pole of booster circuit (1), the two ends of described filter capacitor C1 are respectively with booster circuit (1) outfan just, negative pole is connected, the outfan of described booster circuit (1) is connected with the input of feedback circuit (2), the outfan of feedback circuit (2) is connected with the input of control circuit (3), the outfan of control circuit (3) is connected through the control end of drive circuit (4) with booster circuit (1).
High efficiency single-phase APFC the most according to claim 1, it is characterized in that: described booster circuit (1) is by inductance L1, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 composition, one end of described inductance L1 is the direct-flow input end positive pole of booster circuit (1), the other end of inductance L1 is connected with the source electrode of metal-oxide-semiconductor Q1, the drain electrode of metal-oxide-semiconductor Q1 is the DC output end positive pole of booster circuit (1), the drain electrode of metal-oxide-semiconductor Q2 is connected with the source electrode of metal-oxide-semiconductor Q1, the source electrode of metal-oxide-semiconductor Q2 is the DC output end negative pole of booster circuit (1), the grid of described metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 outfan with drive circuit (4) respectively is connected.
High efficiency single-phase APFC the most according to claim 1, it is characterised in that: described control circuit (3) uses APFC control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416938.0A CN105896957A (en) | 2016-06-12 | 2016-06-12 | High-efficiency single-phase active power factor correction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416938.0A CN105896957A (en) | 2016-06-12 | 2016-06-12 | High-efficiency single-phase active power factor correction circuit |
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| Publication Number | Publication Date |
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| CN105896957A true CN105896957A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610416938.0A Pending CN105896957A (en) | 2016-06-12 | 2016-06-12 | High-efficiency single-phase active power factor correction circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090383A (en) * | 2016-08-26 | 2016-11-09 | 重庆红江机械有限责任公司 | Gas trap drive circuit |
| CN112019013A (en) * | 2020-09-01 | 2020-12-01 | 北京理工华创电动车技术有限公司 | High-power DCDC anti-impact reverse-connection-prevention slow starting circuit and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748035B1 (en) * | 1995-06-08 | 2002-09-04 | STMicroelectronics S.A. | A circuit and method for controlling an inrush current limiter in a power conversion system that includes power factor correction |
| CN201336630Y (en) * | 2009-01-04 | 2009-10-28 | 青岛海信电器股份有限公司 | Power supply circuit and electrical appliance with same |
| CN205725446U (en) * | 2016-06-12 | 2016-11-23 | 合肥华耀电子工业有限公司 | A kind of high efficiency single-phase APFC |
-
2016
- 2016-06-12 CN CN201610416938.0A patent/CN105896957A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748035B1 (en) * | 1995-06-08 | 2002-09-04 | STMicroelectronics S.A. | A circuit and method for controlling an inrush current limiter in a power conversion system that includes power factor correction |
| CN201336630Y (en) * | 2009-01-04 | 2009-10-28 | 青岛海信电器股份有限公司 | Power supply circuit and electrical appliance with same |
| CN205725446U (en) * | 2016-06-12 | 2016-11-23 | 合肥华耀电子工业有限公司 | A kind of high efficiency single-phase APFC |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090383A (en) * | 2016-08-26 | 2016-11-09 | 重庆红江机械有限责任公司 | Gas trap drive circuit |
| CN106090383B (en) * | 2016-08-26 | 2018-06-01 | 重庆红江机械有限责任公司 | Gas valve-driving circuit |
| CN112019013A (en) * | 2020-09-01 | 2020-12-01 | 北京理工华创电动车技术有限公司 | High-power DCDC anti-impact reverse-connection-prevention slow starting circuit and control method |
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Application publication date: 20160824 |