CN207039449U - A kind of single inductance is without bridge APFC circuits - Google Patents
A kind of single inductance is without bridge APFC circuits Download PDFInfo
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- CN207039449U CN207039449U CN201721046592.6U CN201721046592U CN207039449U CN 207039449 U CN207039449 U CN 207039449U CN 201721046592 U CN201721046592 U CN 201721046592U CN 207039449 U CN207039449 U CN 207039449U
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- power diode
- igbt module
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- negative pole
- divider resistance
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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 utility model discloses a kind of single inductance without bridge APFC circuits, including ac filter electric capacity C1, the first IGBT module S1, the second IGBT module S2, inductance L, the first power diode D1, the second power diode D2, the 3rd power diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2；Ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module S1 emitter stage, connect power firestreak；The emitter stage connection zero-power line of ac filter electric capacity C1 the second end, the 3rd power diode D3 negative pole and the second IGBT module S2；Inductance L first end connects the first IGBT module S1 colelctor electrode and the first power diode D1 positive pole；Inductance L the second end connects the second IGBT module S2 colelctor electrodes and the 4th power diode D4 positive pole.
Description
Technical field
A kind of single inductance in single-phase power factor correcting field be the utility model is related to without bridge APFC circuits.
Background technology
The converters of uncontrollable rectifier bridge and electrochemical capacitor as front stage circuits are used in single-phase power network, no matter
Rear class connects the load of which kind of impedance property, belongs to nonlinear load, harmonic current pollution is produced to power network, it is impossible to meet IEC
Harmonic Current Limits specified in 61000-3-2 and IEC 61000-3-1, and net side power factor is relatively low, must be adopted for this
Use measure of power factor correction.
However, traditional Bridgeless Power Factor Corrector must use two inductance, current direction has uncertainty, low frequency two
Diode may simultaneously turn in pole pipe and IGBT module, add destabilizing factor, and double inductance topology costs are high, shared body
Product is larger.Therefore, it is necessary to look for a kind of single inductance without bridge single phase power factor correcting circuit to solve these problems.
By the retrieval to Bridgeless Power Factor Corrector prior art, such as《Electrical applications》8th phase in 2015 discloses
Document《The analysis and design of single-phase Bridgeless Power Factor Corrector》It is proposed a kind of single-phase no bridge APFC of acyclic flow pattern using single
Periodic Control its
Scheme, but the circuit and tradition without bridge APFC as, be double inductive circuit, cost is higher, take up space compared with
Greatly, it is unsatisfactory for the developing direction of present power factor corrector.
In summary, found after the retrieval to Bridgeless Power Factor Corrector prior art, existing circuit is double electricity
Feel structure, can not meet the needs of present practical application.
Utility model content
The purpose of this utility model is for overcome the deficiencies in the prior art, there is provided a kind of single inductance without bridge APFC circuits,
It, without bridge APFC circuits, only with an inductance, saves cost and in plate space so that drive circuit designs more compared to tradition
It is convenient.
Realizing a kind of technical scheme of above-mentioned purpose is：A kind of single inductance is without bridge APFC circuits, including ac filter electric capacity
C1, the first IGBT module S1, the second IGBT module S2, inductance L, the first power diode D1, the second power diode D2, the 3rd
Power diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2；
The transmitting of ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module S1
Pole, connect power firestreak；
The hair of ac filter electric capacity C1 the second end, the 3rd power diode D3 negative pole and the second IGBT module S2
Emitter-base bandgap grading connects zero-power line；
Inductance L first end connects the first IGBT module S1 colelctor electrode and the first power diode D1 positive pole；
Inductance L the second end connects the second IGBT module S2 colelctor electrode and the 4th power diode D4 positive pole；
First power diode D1 negative pole and the 4th power diode D4 negative pole connection DC filter capacitor E1 are just
Pole and the first divider resistance R1 first end；
Second power diode D2 positive pole connects the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole
And second divider resistance R2 first end, form negative output terminal；
First divider resistance R1 the second end connection and the second divider resistance R2 the second end, form DC side sampling
End.
Further, ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module
S1 emitter stage, power firestreak is connected, form input voltage and input current sampling end；
First power diode D1 negative pole and the 4th power diode D4 negative pole connection DC filter capacitor E1 are just
Pole and the first divider resistance R1 first end, form positive output end.
Further, ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module
S1 emitter stage passes through two-way switch BS1 connection power firestreaks；Two-way switch BS1 first end connection power firestreak, is formed
Input voltage and input current sampling end, two-way switch BS1 the second end connection ac filter electric capacity C1 first end, the
The emitter stage of two power diode D2 negative pole, the first IGBT module S1；
First power diode D1 negative poles and the 4th power diode D4 negative pole are straight by the 3rd IGBT module S3 connections
Flow filter capacitor positive pole and the first divider resistance R1 first end；3rd IGBT module S3 colelctor electrode connects the first power
The negative pole of diode D1 negative poles and the 4th power diode D4, the 3rd IGBT module S3 emitter stage connection DC filter capacitor E1
Positive pole and the first divider resistance R1 first end, form positive output end.
Employ a kind of technical scheme of single inductance without bridge APFC circuits of the present utility model, including ac filter electric capacity
C1, the first IGBT module S1, the second IGBT module S2, inductance L, the first power diode D1, the second power diode D2, the 3rd
Power diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2；Hand over
Filter capacitor C1 first end, the second power diode D2 negative pole, the first IGBT module S1 emitter stage is flowed, connects power supply
Live wire；The transmitting of ac filter electric capacity C1 the second end, the 3rd power diode D3 negative pole and the second IGBT module S2
Pole connects zero-power line；Inductance L first end connects the first IGBT module S1 colelctor electrode and the first power diode D1
Positive pole；Inductance L the second end connects the second IGBT module S2 colelctor electrode and the 4th power diode D4 positive pole；The
The positive pole and first of one power diode D1 negative pole and the 4th power diode D4 negative pole connection DC filter capacitor E1
Divider resistance R1 first end；Second power diode D2 positive pole connects the 3rd power diode D3 positive pole, direct current filter
The first end of ripple electric capacity E1 negative pole and the second divider resistance R2, form negative output terminal；The second of first divider resistance R1
End connects the second end with the second divider resistance R2, forms DC side sampling end.It has the technical effect that：First, compared to biography
System, only with an inductance, saves cost and in plate space without bridge APFC circuits.The second, the first IGBT module S1 and second
IGBT module S2 pulses are complementary so that drive circuit design is more convenient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment 1 of single inductance without bridge APFC circuits of the present utility model.
Fig. 2 is a kind of structural representation of embodiment 2 of single inductance without bridge APFC circuits of the present utility model.
Embodiment
Refer to Fig. 1 to Fig. 2, inventor of the present utility model to the technical solution of the utility model in order to preferably entering
Row understands, is described in detail below by specifically embodiment, and with reference to accompanying drawing：
Embodiment 1
A kind of single inductance of the present utility model without bridge APFC circuits, including ac filter electric capacity C1, the first IGBT module S1,
Second IGBT module S2, inductance L, the first power diode D1, the second power diode D2, the 3rd power diode D3, the 4th
Power diode D4, DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2.
The transmitting of ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module S1
Pole, power firestreak is connected, form input voltage and input current sampling end, input current i can be sampled in the pointLWith input electricity
Press ui。
The hair of ac filter electric capacity C1 the second end, the 3rd power diode D3 negative pole and the second IGBT module S2
Emitter-base bandgap grading connects zero-power line.
Inductance L first end connects the first IGBT module S1 colelctor electrode and the first power diode D1 positive pole.
Inductance L the second end connects the second IGBT module S2 colelctor electrodes and the 4th power diode D4 positive pole.
First power diode D1 negative pole connects the 4th power diode D2 negative pole, DC filter capacitor E1 positive pole
And first divider resistance R1 first end, form positive output end.
Second power diode D2 positive pole connects the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole
And second divider resistance R2 first end, form negative output terminal.
First divider resistance R1 the second end connection and the second divider resistance R2 the second end, form DC side sampling
End, the output voltage u of direct current can be gathered in the point0。
A kind of single inductance of the present utility model passes through the complementary pwm pulse signal control first of two-way without bridge APFC circuits
IGBT module S1 and the second IGBT module S2 break-make, utilize the first power diode D1, the second power diode D2, the 3rd work(
Rate diode D3, the 4th power diode D4 realize boosting of single inductance without bridge APFC.
Compared with prior art, the utility model has following beneficial effect：
First, compared to tradition without bridge APFC circuits, only with an inductance, save cost and in plate space.
The second, the first IGBT module S1 and the second IGBT module S2 pulses are complementary so that drive circuit design is more convenient.
3rd, the first IGBT module S1 and the second IGBT module S2 are driven by the pwm pulse of complementation, reduce cost
With in plate bulk, and there is clear principle to understand, control signal occur it is simple.
In the present embodiment：
AC-input voltage scope, 220V ± 15%, power frequency 50Hz or 60Hz, rated output direct current average voltage 390V,
Input power is 6kW.
Inductance L parameter is 2.2mH, 40A.
First IGBT module S1, the second IGBT module S2 chopping frequency 40kHz.
DC filter capacitor E1 parameter is 450V, 0.47uF.
First divider resistance R1 parameter is 3M Ω, 5W.
Second divider resistance R1 parameter is：16.8 Ω, 5W.
First power diode D1, the second power diode D2, the 3rd power diode D3, the 4th power diode D4
Parameter is：600V, 40A/100 DEG C；
Inductance L charging processes, the first IGBT module S1 shut-offs, the second IGBT module S2 are open-minded；Inductance L discharge processes, the
One IGBT module S1 is open-minded, the second IGBT module S2 shut-offs；Utilize the first power diode D1, the second power diode D2,
Three power diode D3, the 4th power diode D4 form charging and discharging circuit.
Embodiment 2
A kind of single inductance of the present utility model without bridge APFC circuits, including ac filter electric capacity C1, the first IGBT module S1,
Second IGBT module S2, the 3rd IGBT module S3, inductance L, the first power diode D1, the second power diode D2, the 3rd work(
Rate diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2, and
Two-way switch BS1.
Two-way switch BS1 first end connection power firestreak forms input voltage and input current sampling end, in the point
Input current i can be sampledLWith input voltage ui。
Two-way switch BS1 the second end, ac filter electric capacity C1 first end, the second power diode D2 negative pole
Connect the first IGBT module S1 emitter stage.
The transmitting of ac filter electric capacity C1 the second end, the 3rd power diode D3 negative pole and the second IGBT module S2
Pole connects zero-power line.
Inductance L first end connects the first IGBT module S1 colelctor electrode and the first power diode D1 positive pole.
Inductance L the second end connects the second IGBT module S2 colelctor electrode and the 4th power diode D4 positive pole.
3rd power diode D3 positive pole, the second power diode D2 positive pole, DC filter capacitor E1 negative pole connect
The second divider resistance R2 first end is connect, forms negative output terminal.
First power diode D1 negative pole, the 4th power diode D4 negative pole connect the 3rd IGBT module S3 current collections
Pole, the 3rd IGBT module S3 emitter stage connection DC filter capacitor E1 positive pole and the first divider resistance R1 first end,
Form positive output end.
First divider resistance R1 the second end is connected with the second divider resistance R2 the second end, forms DC side sampling
End.
Compared with prior art, the utility model has following beneficial effect：
Energy storage is carried out using single inductance L, saves cost and in plate space.
Realize the boosting and decompression control of output DC voltage.
Driving pulse needed for first IGBT module S1 and the second IGBT module S2 is complementary so that drive circuit design is more square
Just.
A kind of single inductance of the present utility model passes through the first IGBT module S1 and the second IGBT module S2 without bridge APFC circuits
Required driving pulse is complementary, and control two-way switch BS1 break-makes realize decompression, and use inductance L, reduce cost and volume, and have
Clear principle understands, control signal occurs simply.
The parameter of each device is in the embodiment：
AC-input voltage scope, 220V ± 15%, power frequency 50Hz or 60Hz, rated output direct current average voltage 390V,
Input power is 6kW.
Inductance L parameter is 2.2mH, 40A.
The 40kHz of first IGBT module S1, the second IGBT module S2 and the 3rd IGBT module 3 chopping frequency.
DC filter capacitor E1 parameter is 450V, 0.47uF.
First divider resistance R1 parameter is 3M Ω, 5W.
Second divider resistance R1 parameter is：16.8 Ω, 5W.
First power diode D1, the second power diode D2, the 3rd power diode D3, the 4th power diode D4
Parameter is：600V, 40A/100 DEG C.
Two-way switch BS1 and the first IGBT module S1 is turned off, when the second IGBT module S2 and the 3rd IGBT module S3 are opened,
Inductance L charges；Two-way switch BS1 and the first IGBT module S1 are open-minded, and the second IGBT module S2 and the 3rd IGBT module S3 are turned off,
Inductance L passes through the 3rd IGBT module S3, and the first power diode D1, the second power diode D2, the 3rd power diode
D3, the 4th power diode D4 form loop electric discharge, and power supply does not charge to DC side, complete pressure reduction.
When two-way switch BS1 and the 3rd IGBT module S3 are constantly in conducting state, boosting can be achieved.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as to restriction of the present utility model, as long as in spirit of the present utility model, to described above
Change, the modification of embodiment will all fall in Claims scope of the present utility model.
Claims (3)
1. a kind of single inductance is without bridge APFC circuits, including ac filter electric capacity C1, the first IGBT module S1, the second IGBT module
S2, inductance L, the first power diode D1, the second power diode D2, the 3rd power diode D3, the 4th power diode D4,
DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2；It is characterized in that：
Ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module S1 emitter stage, even
Connect power firestreak；
The emitter stage of ac filter electric capacity C1 the second end, the 3rd power diode D3 negative pole and the second IGBT module S2
Connect zero-power line；
Inductance L first end connects the first IGBT module S1 colelctor electrode and the first power diode D1 positive pole；
Inductance L the second end connects the second IGBT module S2 colelctor electrode and the 4th power diode D4 positive pole；
First power diode D1 negative pole and the 4th power diode D4 negative pole connection DC filter capacitor E1 positive pole with
And first divider resistance R1 first end；
Second power diode D2 positive pole connect the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole and
Second divider resistance R2 first end, form negative output terminal；
First divider resistance R1 the second end connection and the second divider resistance R2 the second end, form DC side sampling end.
2. a kind of single inductance according to claim 1 is without bridge APFC circuits, it is characterised in that：The of ac filter electric capacity C1
One end, the second power diode D2 negative pole, the first IGBT module S1 emitter stage, power firestreak is connected, form input electricity
Pressure and input current sampling end；
First power diode D1 negative pole and the 4th power diode D4 negative pole connection DC filter capacitor E1 positive pole with
And first divider resistance R1 first end, form positive output end.
3. a kind of single inductance according to claim 2 is without bridge APFC circuits, it is characterised in that：The of ac filter electric capacity C1
One end, the second power diode D2 negative pole, the first IGBT module S1 emitter stage pass through two-way switch BS1 connections power supply fire
Line；Two-way switch BS1 first end connection power firestreak, forms input voltage and input current sampling end, two-way switch BS1
The second end connection ac filter electric capacity C1 first end, the second power diode D2 negative pole, the first IGBT module S1
Emitter stage；
First power diode D1 negative poles and the 4th power diode D4 negative pole are filtered by the 3rd IGBT module S3 connections direct current
The first end of ripple capacitance cathode and the first divider resistance R1；3rd IGBT module S3 colelctor electrode connection the first power two pole
The negative pole of pipe D1 negative poles and the 4th power diode D4, the 3rd IGBT module S3 emitter stage connection DC filter capacitor E1 is just
Pole and the first divider resistance R1 first end, form positive output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046592.6U CN207039449U (en) | 2017-08-21 | 2017-08-21 | A kind of single inductance is without bridge APFC circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046592.6U CN207039449U (en) | 2017-08-21 | 2017-08-21 | A kind of single inductance is without bridge APFC circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039449U true CN207039449U (en) | 2018-02-23 |
Family
ID=61488133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721046592.6U Withdrawn - After Issue CN207039449U (en) | 2017-08-21 | 2017-08-21 | A kind of single inductance is without bridge APFC circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207039449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332437A (en) * | 2017-08-21 | 2017-11-07 | 国网上海市电力公司 | A kind of single inductance is without bridge APFC circuits |
-
2017
- 2017-08-21 CN CN201721046592.6U patent/CN207039449U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332437A (en) * | 2017-08-21 | 2017-11-07 | 国网上海市电力公司 | A kind of single inductance is without bridge APFC circuits |
| CN107332437B (en) * | 2017-08-21 | 2023-09-15 | 国网上海市电力公司 | Single-inductor bridgeless APFC circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20230915 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20230915 |