CN102347686A - Interlaced single-phase active power factor correction circuit - Google Patents
Interlaced single-phase active power factor correction circuit Download PDFInfo
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- CN102347686A CN102347686A CN201010239908XA CN201010239908A CN102347686A CN 102347686 A CN102347686 A CN 102347686A CN 201010239908X A CN201010239908X A CN 201010239908XA CN 201010239908 A CN201010239908 A CN 201010239908A CN 102347686 A CN102347686 A CN 102347686A
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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
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Abstract
The invention discloses an interlaced single-phase active power factor correction circuit. The correction circuit comprises a rectification circuit, a chopper circuit and a tank circuit, wherein the rectification circuit, the chopper circuit and the tank circuit are successively connected. The rectification circuit comprises several single-phase rectifiers, inputs a single-phase alternating-current (ac) sinusoidal voltage and outputs a sinusoidal half-wave voltage. And an output terminal generates a sinusoidal half-wave current with ripple and an input terminal generates a single-phase ac sinusoidal current. The chopper circuit comprises several groups of interlaced structure chopper boost structures. When a power switch conducts, an inductor stores energy. When the power switch turns off, the inductor releases the energy. The several groups of interlaced structures work by turns. Continuous working time is a standard sinusoidal half wave. In the invention, based on a basic principle of the traditional single-phase active power factor correction, a design scheme of single-phase active power factor correction with the interlaced structure and multi-group interlace is designed and manufactured. The single-phase active power factor correction design scheme is suitable for larger output power. A design concept is novel. Versatility is strong. And the design has many other characteristics. A structure is simple, costs are low and flexibility is strong.
Description
Technical field
The invention belongs to electronic technology field, relate to a kind of circuit of power factor correction, relate in particular to a kind of staggered Single-Phase Active Power Factor Correction Circuit.
Background technology
The Inverter Application of single phase alternating current power supply power supply more and more widely, comprising convertible frequency air-conditioner.
The power grade of high-power frequency conversion air-conditioning is increasing at present, reaches more than the 10kW.Therefore the single-phase power factor correcting scheme of traditional low power frequency conversion air-conditioning has no longer adapted to this power grade, and brings many drawbacks: the power device type selecting is joined quite difficulty of ginseng, and radiating treatment is very complicated, and system effectiveness is lower, and cost increases significantly.
In order to avoid and to address this is that, need to adopt the circuit of power factor correction of multistage staggered structure.
Summary of the invention
Technical problem to be solved by this invention is: a kind of staggered Single-Phase Active Power Factor Correction Circuit is provided, can improves load capacity, improve radiating treatment, improve conversion efficiency, reduce overall cost.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of staggered Single-Phase Active Power Factor Correction Circuit, said correcting circuit comprises:
Rectification circuit comprises some single-phase rectifiers, input single phase alternating current (A.C.) sinusoidal voltage, output half-sinusoid voltage; Output produces the half-sinusoid electric current of band ripple, and input produces the single phase alternating current (A.C.) sinusoidal current;
Chopper circuit comprises the some groups of cross structure copped waves structure of boosting, inductance storage power during the power switch conducting, and inductance released energy when power switch turn-offed, and some groups of cross structures take turns to operate, and stream time is a standard sine half-wave;
Accumulator;
Said rectification circuit, chopper circuit, accumulator connect successively.
As a kind of preferred version of the present invention, said rectification circuit comprises 3 single-phase rectifiers, ac capacitor and resistance;
Wherein, two of first single-phase rectifier ac input ends, two ac input ends of second single-phase rectifier, two ac input ends of the 3rd single-phase rectifier all link to each other with zero line with the live wire of single phase alternating current (A.C.) electrical network;
It is anodal that the cathode output end of the cathode output end of the cathode output end of first single-phase rectifier, second single-phase rectifier, the 3rd single-phase rectifier is connected to form input; The cathode output end of the cathode output end of the cathode output end of first single-phase rectifier, second single-phase rectifier, the 3rd single-phase rectifier is connected to form output negative pole and links to each other with an end of first resistance; The other end ground connection of first resistance, the two ends of first ac capacitor link to each other with zero line with the live wire of single phase alternating current (A.C.) electrical network.
As a kind of preferred version of the present invention, rectification circuit comprises 3 single-phase rectifier B1, B2, B3, ac capacitor C1 and resistance R 1;
Wherein, The ac input end of ac input end of rectifier B1 and the ac input end of rectifier B2, rectifier B3, the end of the ac capacitor C1 back that links to each other links to each other with an end of single phase alternating current power supply, and another ac input end of another ac input end of rectifier B1 and another ac input end of rectifier B2, rectifier B3, the other end of ac capacitor C1 link to each other and then link to each other with the other end of single phase alternating current power supply;
The output cathode of the output cathode of rectifier B1 and rectifier B2, the output cathode of the rectifier B3 back that links to each other is anodal in the middle of forming; The output negative pole of the output negative pole of rectifier B1 and rectifier B2, the output negative pole of the rectifier B3 back that links to each other links to each other the other end ground connection of resistance R 1 with an end of resistance R 1.
As a kind of preferred version of the present invention, said chopper circuit comprises three groups of cross structures;
Wherein, first group of cross structure comprises three inductance L 1, L2, L3, three ac capacitor D1, D2, D3 and three power switch S1, S2, S 3,
Second group of cross structure comprises three inductance L 4, L5, L6, three ac capacitor C4-C6 and three power switch S4, S5, S6;
The 3rd group of cross structure comprises three inductance L 7, L8, L9, three ac capacitor C7, C8, C9 and three power switch S7, S8, S9;
In first group of cross structure; One end of one end of inductance L 1, an end of inductance L 2, inductance L 3 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D1, diode D2, diode D3 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S1, diode D2, diode D3 connects back ground connection; The collector electrode of the anode of the other end of inductance L 1, diode D1, power switch S1 links to each other, and the anode of the other end of inductance L 2, diode D2, the collector electrode of power switch S2 link to each other, and the anode of the other end of inductance L 3, diode D3, the collector electrode of power switch S3 link to each other;
In second group of cross structure; One end of one end of inductance L 4, an end of inductance L 5, inductance L 6 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D4, diode D5, diode D6 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S4, diode D5, diode D6 connects back ground connection; The collector electrode of the anode of the other end of inductance L 4, diode D4, power switch S4 links to each other, and the anode of the other end of inductance L 5, diode D5, the collector electrode of power switch S5 link to each other, and the anode of the other end of inductance L 6, diode D6, the collector electrode of power switch S6 link to each other;
In the 3rd group of cross structure; One end of one end of inductance L 7, an end of inductance L 8, inductance L 9 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D7, diode D8, diode D9 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S7, diode D8, diode D9 connects back ground connection; The collector electrode of the anode of the other end of inductance L 7, diode D7, power switch S7 links to each other, and the anode of the other end of inductance L 8, diode D8, the collector electrode of power switch S8 link to each other, and the anode of the other end of inductance L 9, diode D9, the collector electrode of power switch S9 link to each other.
As a kind of preferred version of the present invention, said accumulator comprises ac capacitor C2, an electrochemical capacitor E1 and a resistance R 2;
One end of the end of ac capacitor C2, the positive pole of electrochemical capacitor E1, resistance R 2 links to each other, and forms output cathode, and the negative pole of the other end of ac capacitor C2, electrochemical capacitor E1, the continuous ground connection of the other end of resistance R 2 form output negative pole.
As a kind of preferred version of the present invention, said rectification circuit input single phase alternating current (A.C.) sinusoidal voltage, output single phase alternating current (A.C.) half-sinusoid voltage; After power factor correction, output half-sinusoid direct current, input single phase alternating current (A.C.) sinusoidal current;
Said chopper circuit adopts the time-sharing work principle, in a complete half-sinusoid, has only that wherein one group of cross structure is in running order, accomplishes power factor emendation function, and three groups of cross structures take turns to operate, and are in radiating state when not working;
Said accumulator carries out energy storage and filtering, output dc voltage, and supply back level is used.
Beneficial effect of the present invention is: the staggered Single-Phase Active Power Factor Correction Circuit that the present invention proposes; According to traditional single phase APFC basic principle; Cross structure, the staggered single-phase active power factor correction design that is fit to bigger power output of many groups have been designed and produced; Thereby have characteristics such as design concept novelty, highly versatile; Have simultaneously simple in structure, cost is low, flexible advantage such as strong, can also support more wide range of power output to be particularly useful for the APFC of the constant high-power frequency conversion air-conditioning of input ac voltage.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1, the present invention has disclosed a kind of staggered Single-Phase Active Power Factor Correction Circuit, comprises rectification circuit 1, chopper circuit 2 and accumulator 3.
In the present embodiment, rectification circuit 1 is made up of three single-phase rectifier B1, B2, B3, an ac capacitor C1 and a resistance R 1.Chopper circuit 2 is made up of three groups of cross structures; Wherein, First group of cross structure comprises three inductance L 1, L2, L3, three ac capacitor C1, C2, C3 and three power switch S1, S2, S3; Second group of cross structure comprises three inductance L 4, L5, L6, three ac capacitor C4, C5, C6 and three power switch S4, S5, S6, and the 3rd group of cross structure comprises three inductance L 7, L8, L9, three ac capacitor C7, C8, C9 and three power switch S7, S8, S9.Accumulator is made up of an ac capacitor C2, an electrochemical capacitor E1 and a resistance R 2.
In the rectification circuit 1; The ac input end of ac input end of rectifier B1 and the ac input end of rectifier B2, rectifier B3, the end of the ac capacitor C1 back that links to each other links to each other with an end of single phase alternating current power supply, and another ac input end of another ac input end of rectifier B1 and another ac input end of rectifier B2, rectifier B3, the other end of ac capacitor C1 link to each other and then link to each other with the other end of single phase alternating current power supply.The output cathode of the output cathode of rectifier B1 and rectifier B2, the output cathode of the rectifier B3 back that links to each other is anodal in the middle of forming; The output negative pole of the output negative pole of rectifier B1 and rectifier B2, the output negative pole of the rectifier B3 back that links to each other links to each other the other end ground connection of resistance R 1 with an end of resistance R 1.
In the chopper circuit 2; In first group of cross structure; One end of one end of inductance L 1, an end of inductance L 2, inductance L 3 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D1, diode D2, diode D3 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S1, diode D2, diode D3 connects back ground connection; The collector electrode of the anode of the other end of inductance L 1, diode D1, power switch S1 links to each other, and the anode of the other end of inductance L 2, diode D2, the collector electrode of power switch S2 link to each other, and the anode of the other end of inductance L 3, diode D3, the collector electrode of power switch S3 link to each other.
In second group of cross structure; One end of one end of inductance L 4, an end of inductance L 5, inductance L 6 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D4, diode D5, diode D6 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S4, diode D5, diode D6 connects back ground connection; The collector electrode of the anode of the other end of inductance L 4, diode D4, power switch S4 links to each other, and the anode of the other end of inductance L 5, diode D5, the collector electrode of power switch S5 link to each other, and the anode of the other end of inductance L 6, diode D6, the collector electrode of power switch S6 link to each other.
In the 3rd group of cross structure; One end of one end of inductance L 7, an end of inductance L 8, inductance L 9 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D7, diode D8, diode D9 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S7, diode D8, diode D9 connects back ground connection; The collector electrode of the anode of the other end of inductance L 7, diode D7, power switch S7 links to each other, and the anode of the other end of inductance L 8, diode D8, the collector electrode of power switch S8 link to each other, and the anode of the other end of inductance L 9, diode D9, the collector electrode of power switch S9 link to each other.
In the accumulator 3, an end of the end of ac capacitor C2, the positive pole of electrochemical capacitor E1, resistance R 2 links to each other, and forms output cathode, and the negative pole of the other end of ac capacitor C2, electrochemical capacitor E1, the continuous ground connection of the other end of resistance R 2 form output negative pole.
Operation principle of the present invention is:
Rectification circuit 1 input single phase alternating current (A.C.) sinusoidal voltage, output single phase alternating current (A.C.) half-sinusoid voltage.After power factor correction, output half-sinusoid direct current, input single phase alternating current (A.C.) sinusoidal current.Chopper circuit 2 adopts the time-sharing work principles, in a complete half-sinusoid, has only that wherein one group of cross structure is in running order, accomplishes power factor emendation function, and three groups of cross structures take turns to operate, and are in radiating state when not working.Accumulator 3 carries out energy storage and filtering, output dc voltage, and supply back level is used.Above-mentioned configuration and duty can improve load capacity, improve radiating treatment, improve conversion efficiency, reduce overall cost.
Each resistance, amplifier all require to have degree of precision in the above-mentioned device.The parameter of one embodiment of the invention is: rectifier B1-B3 is that the 25A/600V diode is not controlled rectifier bridge; Diode D1-D9 is reverse fast quick-recovery type 35A/600V, and inductance L 1-L9 gets 0.5mH-5.0mH, and power switch S1-S9 is IGBT 160A/600V; Ac capacitor C1-C2 gets 0.22 μ F-0.47 μ F; Resistance R 1 is got 10m Ω, and resistance R 2 is got 100k Ω, and electrochemical capacitor E1 is 4700 μ F/400V.
In sum; The staggered Single-Phase Active Power Factor Correction Circuit that the present invention proposes; According to traditional single phase APFC basic principle; Designed and produced cross structure, the staggered single-phase active power factor correction design that is fit to bigger power output of many groups, thereby had characteristics such as design concept novelty, highly versatile, have simultaneously simple in structure, cost is low, advantage such as strong flexibly; Can also support more wide range of power output, be particularly useful for the APFC of the constant high-power frequency conversion air-conditioning of input ac voltage.
Embodiment two
The present invention is directed to single-level power factor correction device power grade is difficult to promote; Design a kind of cross structure, staggered rectification circuit and the time-sharing work principle of supporting more high-power output of many groups; It can be suitable for all existing power factor controlling strategy and application scenarios, has the advantage that notion is pure and fresh, power grade is higher, efficient is high.
The staggered Single-Phase Active Power Factor Correction Circuit of the present invention comprises rectification circuit, chopper circuit and accumulator.Wherein, in the rectification circuit, comprise not control rectifier of three single-phase diodes, input single phase alternating current (A.C.) sinusoidal voltage, output half-sinusoid voltage.Output produces the half-sinusoid electric current of band ripple, and input produces the single phase alternating current (A.C.) sinusoidal current.In the chopper circuit, comprise three groups of cross structure copped waves structure of boosting, inductance storage power during the power switch conducting; Inductance released energy when power switch turn-offed; Three groups of cross structures take turns to operate, and stream time is a standard sine half-wave, i.e. 180 ° or 10mS.
Said rectification circuit is made up of 3 single-phase rectifiers, 1 ac capacitor and 1 resistance; Wherein two ac input ends of two ac input ends of two of first single-phase rectifier ac input ends, second single-phase rectifier, the 3rd single-phase rectifier all link to each other with zero line with the live wire of single phase alternating current (A.C.) electrical network; It is anodal that the cathode output end of the cathode output end of the cathode output end of first single-phase rectifier, second single-phase rectifier, the 3rd single-phase rectifier is connected to form input; The cathode output end of the cathode output end of the cathode output end of first single-phase rectifier, second single-phase rectifier, the 3rd single-phase rectifier is connected to form output negative pole and links to each other with an end of first resistance; The other end ground connection of first resistance, the two ends of first ac capacitor link to each other with zero line with the live wire of single phase alternating current (A.C.) electrical network.
Said chopper circuit is made up of three groups of cross structures; Wherein first group of cross structure is made up of 3 inductance, 3 diodes and three power switchs; Second group of cross structure is made up of 3 inductance, 3 diodes and three power switchs, and the 3rd group of cross structure is made up of 3 inductance, 3 diodes and three power switchs.
In first group of cross structure; One end of one end of first inductance, an end of second inductance, the 3rd inductance connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of first diode, second diode, the 3rd diode connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of first power switch, second diode, the 3rd diode connects back ground connection; The collector electrode of the anode of the other end of first inductance, first diode, first power switch links to each other; The collector electrode of the anode of the other end of second inductance, second diode, second power switch links to each other, and the anode of the other end of the 3rd inductance, the 3rd diode, the collector electrode of the 3rd power switch link to each other.
In second group of cross structure; One end of one end of one end of the 4th inductance, the 5th inductance, the 6th inductance connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of the 4th diode, the 5th diode, the 6th diode connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of the 4th power switch, the 5th diode, the 6th power switch connects back ground connection; The collector electrode of the anode of the other end of the 4th inductance, the 4th diode, the 4th power switch links to each other; The collector electrode of the anode of the other end of the 5th inductance, the 5th diode, the 5th power switch links to each other, and the anode of the other end of the 6th inductance, the 6th diode, the collector electrode of the 6th power switch link to each other.
In the 3rd group of cross structure; One end of one end of one end of the 7th inductance, the 8th inductance, the 9th inductance connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of the 7th diode, the 8th diode, the 9th diode connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of the 7th power switch, the 8th diode, the 9th power switch connects back ground connection; The collector electrode of the anode of the other end of the 7th inductance, the 7th diode, the 7th power switch links to each other; The collector electrode of the anode of the other end of the 8th inductance, the 8th diode, the 8th power switch links to each other, and the anode of the other end of the 9th inductance, the 9th diode, the collector electrode of the 9th power switch link to each other.
Said accumulator is made up of 1 ac capacitor, 1 electrochemical capacitor and 1 resistance; Wherein anodal the linking to each other with an end of second resistance of an end of second ac capacitor, first electrochemical capacitor forms output cathode, and the negative pole of the other end of second ac capacitor, first electrochemical capacitor and the other end ground connection of second resistance form output negative pole.
The present invention is according to traditional single phase APFC basic principle; Cross structure, the staggered single-phase active power factor correction design that is fit to bigger power output of many groups have been designed and produced; Thereby have characteristics such as design concept novelty, highly versatile; Have simultaneously simple in structure, cost is low, flexible advantage such as strong, can also support more wide range of power output to be particularly useful for the APFC of the constant high-power frequency conversion air-conditioning of input ac voltage.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (6)
1. a staggered Single-Phase Active Power Factor Correction Circuit is characterized in that, said correcting circuit comprises:
Rectification circuit comprises some single-phase rectifiers, input single phase alternating current (A.C.) sinusoidal voltage, output half-sinusoid voltage; Output produces the half-sinusoid electric current of band ripple, and input produces the single phase alternating current (A.C.) sinusoidal current;
Chopper circuit comprises the some groups of cross structure copped waves structure of boosting, inductance storage power during the power switch conducting, and inductance released energy when power switch turn-offed, and some groups of cross structures take turns to operate, and stream time is a standard sine half-wave;
Accumulator;
Said rectification circuit, chopper circuit, accumulator connect successively.
2. staggered Single-Phase Active Power Factor Correction Circuit according to claim 1 is characterized in that:
Said rectification circuit comprises 3 single-phase rectifiers, ac capacitor and resistance;
Wherein, two of first single-phase rectifier ac input ends, two ac input ends of second single-phase rectifier, two ac input ends of the 3rd single-phase rectifier all link to each other with zero line with the live wire of single phase alternating current (A.C.) electrical network;
It is anodal that the cathode output end of the cathode output end of the cathode output end of first single-phase rectifier, second single-phase rectifier, the 3rd single-phase rectifier is connected to form input; The cathode output end of the cathode output end of the cathode output end of first single-phase rectifier, second single-phase rectifier, the 3rd single-phase rectifier is connected to form output negative pole and links to each other with an end of first resistance; The other end ground connection of first resistance, the two ends of first ac capacitor link to each other with zero line with the live wire of single phase alternating current (A.C.) electrical network.
3. staggered Single-Phase Active Power Factor Correction Circuit according to claim 2 is characterized in that:
Said rectification circuit comprises 3 single-phase rectifier B1, B2, B3, ac capacitor C1 and resistance R 1;
Wherein, The ac input end of ac input end of rectifier B1 and the ac input end of rectifier B2, rectifier B3, the end of the ac capacitor C1 back that links to each other links to each other with an end of single phase alternating current power supply, and another ac input end of another ac input end of rectifier B1 and another ac input end of rectifier B2, rectifier B3, the other end of ac capacitor C1 link to each other and then link to each other with the other end of single phase alternating current power supply;
The output cathode of the output cathode of rectifier B1 and rectifier B2, the output cathode of the rectifier B3 back that links to each other is anodal in the middle of forming; The output negative pole of the output negative pole of rectifier B1 and rectifier B2, the output negative pole of the rectifier B3 back that links to each other links to each other the other end ground connection of resistance R 1 with an end of resistance R 1.
4. staggered Single-Phase Active Power Factor Correction Circuit according to claim 1 is characterized in that:
Said chopper circuit comprises three groups of cross structures;
Wherein, first group of cross structure comprises three inductance L 1, L2, L3, three ac capacitor D1, D2, D3 and three power switch S1, S2, S3,
Second group of cross structure comprises three inductance L 4, L5, L6, three ac capacitor C4-C6 and three power switch S4, S5, S6;
The 3rd group of cross structure comprises three inductance L 7, L8, L9, three ac capacitor C7, C8, C9 and three power switch S7, S8, S9;
In first group of cross structure; One end of one end of inductance L 1, an end of inductance L 2, inductance L 3 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D1, diode D2, diode D3 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S1, diode D2, diode D3 connects back ground connection; The collector electrode of the anode of the other end of inductance L 1, diode D1, power switch S1 links to each other, and the anode of the other end of inductance L 2, diode D2, the collector electrode of power switch S2 link to each other, and the anode of the other end of inductance L 3, diode D3, the collector electrode of power switch S3 link to each other;
In second group of cross structure; One end of one end of inductance L 4, an end of inductance L 5, inductance L 6 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D4, diode D5, diode D6 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S4, diode D5, diode D6 connects back ground connection; The collector electrode of the anode of the other end of inductance L 4, diode D4, power switch S4 links to each other, and the anode of the other end of inductance L 5, diode D5, the collector electrode of power switch S5 link to each other, and the anode of the other end of inductance L 6, diode D6, the collector electrode of power switch S6 link to each other;
In the 3rd group of cross structure; One end of one end of inductance L 7, an end of inductance L 8, inductance L 9 connects that output cathode links to each other in back and the rectification circuit; The negative electrode of the negative electrode of the negative electrode of diode D7, diode D8, diode D9 connects that output cathode links to each other in back and the accumulator; The emitter of the collector electrode of the collector electrode of power switch S7, diode D8, diode D9 connects back ground connection; The collector electrode of the anode of the other end of inductance L 7, diode D7, power switch S7 links to each other, and the anode of the other end of inductance L 8, diode D8, the collector electrode of power switch S8 link to each other, and the anode of the other end of inductance L 9, diode D9, the collector electrode of power switch S9 link to each other.
5. staggered Single-Phase Active Power Factor Correction Circuit according to claim 1 is characterized in that:
Said accumulator comprises ac capacitor C2, electrochemical capacitor E1 and resistance R 2;
One end of the end of ac capacitor C2, the positive pole of electrochemical capacitor E1, resistance R 2 links to each other, and forms output cathode, and the negative pole of the other end of ac capacitor C2, electrochemical capacitor E1, the continuous ground connection of the other end of resistance R 2 form output negative pole.
6. staggered Single-Phase Active Power Factor Correction Circuit according to claim 1 is characterized in that:
Said rectification circuit input single phase alternating current (A.C.) sinusoidal voltage, output single phase alternating current (A.C.) half-sinusoid voltage; After power factor correction, output half-sinusoid direct current, input single phase alternating current (A.C.) sinusoidal current;
Said chopper circuit adopts the time-sharing work principle, in a complete half-sinusoid, has only that wherein one group of cross structure is in running order, accomplishes power factor emendation function, and three groups of cross structures take turns to operate, and are in radiating state when not working;
Said accumulator carries out energy storage and filtering, output dc voltage, and supply back level is used.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010239908XA CN102347686A (en) | 2010-07-29 | 2010-07-29 | Interlaced single-phase active power factor correction circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010239908XA CN102347686A (en) | 2010-07-29 | 2010-07-29 | Interlaced single-phase active power factor correction circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158242A (en) * | 2014-08-01 | 2014-11-19 | 青岛海能阿尔派轨道电力设备工程科技有限公司 | Track traffic braking energy storage and utilization device |
| CN105827120A (en) * | 2016-05-04 | 2016-08-03 | 广东美的暖通设备有限公司 | Air conditioner and control method and device used for staggered PFC circuit of air conditioner |
| CN107888083A (en) * | 2017-12-20 | 2018-04-06 | 西安中车永电电气有限公司 | A kind of diesel locomotive alternating-current actuating system main circuit power cell |
| CN107919804A (en) * | 2017-12-20 | 2018-04-17 | 西安中车永电电气有限公司 | A kind of diesel locomotive rectification copped wave phase power module |
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| CN1428922A (en) * | 2001-12-28 | 2003-07-09 | 深圳市中兴通讯股份有限公司上海第二研究所 | Power factor correction method and its equipment |
| CN1599188A (en) * | 2004-08-20 | 2005-03-23 | 清华大学 | Parallel cross operation method of critical continuous conducting mode power factor corrector |
| CN201758356U (en) * | 2010-07-29 | 2011-03-09 | 上海诚跃电气科技有限公司 | Interleaving single-phase active power factor correction circuit |
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| CN1428922A (en) * | 2001-12-28 | 2003-07-09 | 深圳市中兴通讯股份有限公司上海第二研究所 | Power factor correction method and its equipment |
| CN1599188A (en) * | 2004-08-20 | 2005-03-23 | 清华大学 | Parallel cross operation method of critical continuous conducting mode power factor corrector |
| CN201758356U (en) * | 2010-07-29 | 2011-03-09 | 上海诚跃电气科技有限公司 | Interleaving single-phase active power factor correction circuit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158242A (en) * | 2014-08-01 | 2014-11-19 | 青岛海能阿尔派轨道电力设备工程科技有限公司 | Track traffic braking energy storage and utilization device |
| CN104158242B (en) * | 2014-08-01 | 2016-08-17 | 青岛海能阿尔派轨道电力设备工程科技有限公司 | A kind of track traffic braking energy stores and utilizes device |
| CN105827120A (en) * | 2016-05-04 | 2016-08-03 | 广东美的暖通设备有限公司 | Air conditioner and control method and device used for staggered PFC circuit of air conditioner |
| CN105827120B (en) * | 2016-05-04 | 2018-07-10 | 广东美的暖通设备有限公司 | The control method and device of air conditioner and interleaved PFC circuit for air conditioner |
| CN107888083A (en) * | 2017-12-20 | 2018-04-06 | 西安中车永电电气有限公司 | A kind of diesel locomotive alternating-current actuating system main circuit power cell |
| CN107919804A (en) * | 2017-12-20 | 2018-04-17 | 西安中车永电电气有限公司 | A kind of diesel locomotive rectification copped wave phase power module |
| CN107888083B (en) * | 2017-12-20 | 2024-03-26 | 西安中车永电电气有限公司 | Main circuit power unit of alternating current transmission system of diesel locomotive |
| CN107919804B (en) * | 2017-12-20 | 2024-04-30 | 西安中车永电电气有限公司 | Rectifying chopper phase power module of diesel locomotive |
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