CN107294371A - A kind of single inductance based on IGBT module is without bridge APFC circuits - Google Patents
A kind of single inductance based on IGBT module is without bridge APFC circuits Download PDFInfo
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- CN107294371A CN107294371A CN201710718326.1A CN201710718326A CN107294371A CN 107294371 A CN107294371 A CN 107294371A CN 201710718326 A CN201710718326 A CN 201710718326A CN 107294371 A CN107294371 A CN 107294371A
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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
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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 a kind of single inductance based on IGBT module 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 colelctor electrode connection power firestreak of first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1；The colelctor electrode connection zero-power line of 4th power diode D4 positive pole, ac filter electric capacity C1 the second end and the second IGBT module S2；First IGBT module S2 emitter stage, and inductance L first end and the second power diode D2 negative pole are connected；Second IGBT module S2 emitter stage, and inductance L the second end and the 3rd power diode D3 negative pole are connected.
Description
Technical field
The present invention relates to a kind of single inductance based on IGBT module in single-phase power factor correcting field without bridge APFC circuits.
Background technology
Uncontrollable rectifier bridge and electrochemical capacitor are used in single-phase power network as the converters of front stage circuits, 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
Harmonic Current Limits specified in IEC 61000-3-2 and IEC 61000-3-1, and net side power factor is relatively low, is that this must
Measure of power factor correction must be used.
However, traditional Bridgeless Power Factor Corrector must use two inductance, current direction has uncertainty, low frequency two
Diode may be simultaneously turned in pole pipe and IGBT module, add destabilizing factor, and the topological cost of double inductance is high, shared body
Product is larger.Accordingly, it would be desirable to look for a kind of single inductance without bridge single phase power factor correcting circuit to solve these problems.
By the retrieval of the prior art to Bridgeless Power Factor Corrector, such as《Electrical applications》8th phase in 2015 is public
The document opened《The analysis and design of single-phase Bridgeless Power Factor Corrector》Propose that a kind of acyclic flow pattern is single-phase to use without bridge APFC
One circle control, but the circuit and tradition without bridge APFC as, be double inductive circuit, cost is higher, is taken up too much space,
It is unsatisfactory for the developing direction of present power factor corrector.
In summary, to being found after the retrieval of Bridgeless Power Factor Corrector prior art, existing circuit is double electricity
Feel structure, it is impossible to meet the demand of present practical application.
The content of the invention
The invention aims to overcome the deficiencies in the prior art there is provided a kind of single inductance based on IGBT module without bridge
APFC circuits, without bridge APFC circuits, only with an inductance, save cost and in plate space so that drive circuit is set compared to tradition
Meter more facilitates.
Realizing a kind of technical scheme of above-mentioned purpose is：A kind of single inductance based on IGBT module is without bridge APFC circuits, bag
Include ac filter electric capacity C1, the first IGBT module S1, the second IGBT module S2, inductance L, the first power diode D1, the second work(
Rate diode D2, the 3rd power diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1,
Two divider resistance R2；
The collection of first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1
Electrode connects power firestreak；
The collection of 4th power diode D4 positive pole, ac filter electric capacity C1 the second end and the second IGBT module S2
Electrode connects zero-power line；
First IGBT module S2 emitter stage, and inductance L first end and the second power diode D2 negative pole connect
Connect；
Second IGBT module S2 emitter stage, and inductance L the second end and the 3rd power diode D3 negative pole connect
Connect；
Second power diode D2 positive pole, the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole connects
The first end for meeting the second divider resistance R2 constitutes negative output terminal；
First power diode D1 negative pole and the 4th power diode D4 negative pole, connection DC filter capacitor E1 is just
Pole and the first divider resistance R1 first end；
First divider resistance R1 the second end is connected with the second divider resistance R2 the second end, constitutes DC side sampling
End.
Further, the first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT
Module S1 colelctor electrode connection power firestreak, constitutes input voltage and input current sampling end；First power diode D1's is negative
Pole, the 4th power diode D4 negative pole, DC filter capacitor E1 the first divider resistance R1 of positive pole connection first end structure
Into positive output end.
Further, without bridge APFC circuits, it also includes drive circuit to single inductance based on IGBT module, described
Drive circuit includes：
In the input voltage and input current sampling end collection input voltage virtual value UiRMSVirtual value computing module；
The virtual value computing module is connected, to calculate input voltage virtual value square inverse 1/U2 iRMSVirtual value put down
Square reciprocal calculation block；
In DC side sampling end collection output voltage u0, and by output voltage u0With output voltage a reference value urCarry out
Compare, obtain voltage error evThe second multiplier；
To voltage error evCarry out proportional integration regulation and obtain voltage reference value uvcThe quasi- PI adjustment modules of Voltage loop；
According to input voltage virtual value square inverse 1/U2 iRMSWith voltage reference value uvcObtain reference current irFirst multiply
Musical instruments used in a Buddhist or Taoist mass；
In input voltage and input current sampling end to input current iLSampled, and by input current iLWith benchmark electricity
Flow irIt is compared, obtains current error eiThe 3rd multiplier；
To current error eiProportional integration regulation is carried out, supply voltage u is obtainedccThe quasi- PI adjustment modules of electric current loop；
To supply voltage uccProgress is discrete to obtain driving voltage ucdSignal discrete module；
By to driving voltage ucdCopped wave is carried out, obtains driving the arteries and veins of the first IGBT module S1 PWM1 pulse signals
Punching forms module；
The pulse shaping module is connected, it is complementary with the PWM1 pulse signals to be formed, to drive second
The pulse supplement module of IGBT module S2 PWM2 pulse signals.
Further, the first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT
Module S1 colelctor electrode connects power firestreak by two-way switch BS1 connection power firestreaks, two-way switch BS1 first end,
Constitute input voltage and input current sampling end；Two-way switch BS1 the first power diode D1 of the second end connection positive pole,
The colelctor electrode of ac filter electric capacity C1 first end and the first IGBT module S1；
First power diode D1 negative pole and the 4th power diode D4 negative pole, pass through the 3rd IGBT module, connection
The first end of DC filter capacitor E1 positive pole and the first divider resistance R1；Wherein the first power diode D1 negative pole and
4th power diode D4 negative pole connects the colelctor electrode of the 3rd IGBT module, the emitter stage connection direct current filter of the 3rd IGBT module
The first end of ripple electric capacity E1 positive pole and the first divider resistance R1, constitutes positive output end.
Further, single inductance based on IGBT module is without bridge APFC circuits, it is characterised in that：It also includes driving
Dynamic circuit, the drive circuit includes：
In the input voltage and input current sampling end collection input voltage virtual value UiRMSVirtual value computing module；
The virtual value computing module is connected, to calculate input voltage virtual value square inverse 1/U2 iRMSVirtual value put down
Square reciprocal calculation block；
In DC side sampling end collection output voltage u0, and by output voltage u0With output voltage a reference value urCarry out
Compare, obtain voltage error evThe second multiplier；
To voltage error evCarry out proportional integration regulation and obtain voltage reference value uvcThe quasi- PI adjustment modules of Voltage loop；
According to input voltage virtual value square inverse 1/U2 iRMSWith voltage reference value uvcObtain reference current irFirst multiply
Musical instruments used in a Buddhist or Taoist mass；
In input voltage and input current sampling end to input current iLSampled, and by input current iLWith benchmark electricity
Flow irIt is compared, obtains current error eiThe 3rd multiplier；
To current error eiProportional integration regulation is carried out, supply voltage u is obtainedccThe quasi- PI adjustment modules of electric current loop；
To supply voltage uccProgress is discrete to obtain driving voltage ucdSignal discrete module；
By to driving voltage ucdCopped wave is carried out, obtains driving the first IGBT module S1's and two-way switch BS1
The pulse shaping module of PWM1 pulse signals；
The pulse shaping module is connected, it is complementary with the PWM1 pulse signals to be formed, to drive second
The pulse supplement module of IGBT module S2 PWM2 pulse signals.
Further, the drive signal of the 3rd IGBT module can be switched between PWM1 signals and PWM2 signals.
Employ a kind of technical scheme of single inductance without bridge APFC circuits based on IGBT module of the present invention, including exchange
Filter capacitor C1, the first IGBT module S1, the second IGBT module S2, inductance L, the first power diode D1, the pole of the second power two
Pipe D2, the 3rd power diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second partial pressure
Resistance R2；The collection of first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1
Electrode connects power firestreak；4th power diode D4 positive pole, ac filter electric capacity C1 the second end and the 2nd IGBT
Module S2 colelctor electrode connection zero-power line；First IGBT module S2 emitter stage, and inductance L first end and the second work(
Rate diode D2 negative pole connection；Second IGBT module S2 emitter stage, and inductance L the second end and the pole of the 3rd power two
Pipe D3 negative pole connection；Second power diode D2 positive pole, the 3rd power diode D3 positive pole, DC filter capacitor E1
The first end that negative pole connects the second divider resistance R2 constitutes negative output terminal；First power diode D1 negative pole and the 4th power
Diode D4 negative pole, connection DC filter capacitor E1 positive pole and the first divider resistance R1 first end；First partial pressure
Resistance R1 the second end is connected with the second divider resistance R2 the second end, constitutes DC side sampling end.It has the technical effect that：
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 more facilitates.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment 1 of the single inductance based on IGBT module without bridge APFC circuits of the present invention
Figure.
Fig. 2 is a kind of structural representation of embodiment 2 of the single inductance based on IGBT module without bridge APFC circuits of the present invention
Figure.
Fig. 3 is a kind of schematic diagram of drive circuit of the single inductance based on IGBT module without bridge APFC circuits of the present invention.
Embodiment
Refer to Fig. 1 to Fig. 3, the present inventor in order to be able to preferably understand technical scheme,
It is described in detail below by specifically embodiment, and with reference to accompanying drawing：
Embodiment 1
A kind of single inductance based on IGBT module of the present invention is without bridge APFC circuits, including ac filter electric capacity C1, first
IGBT module S1, the second IGBT module S2, inductance L, the first power diode D1, the second power diode D2, the 3rd power two
Pole pipe D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second divider resistance R2.
The collection of first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1
Electrode connection power firestreak constitutes input voltage and input current sampling end, can be in point sampling input current iLAnd input voltage
ui。
The collection of 4th power diode D4 positive pole, ac filter electric capacity C1 the second end and the second IGBT module S2
Electrode connects zero-power line.
First IGBT module S2 emitter stage, and inductance L first end and the second power diode D2 negative pole connect
Connect.
Second IGBT module S2 emitter stage, and inductance L the second end and the 3rd power diode D3 negative pole connect
Connect.
Second power diode D2 positive pole, the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole connects
The first end for meeting the second divider resistance R2 constitutes negative output terminal；First power diode D1 negative pole, the 4th power diode
D4 negative pole, DC filter capacitor E1 positive pole connect the first divider resistance R1 first end, constitute positive output end, first point
Piezoresistance R1 the second end is connected with the second divider resistance R2 the second end, is constituted DC side sampling end, can be adopted in the point
Collect the output voltage u of direct current0。
Wherein the first IGBT module S1, the second IGBT module S2 are to complete the charging to inductance L；First power diode
D1, the second power diode D2, the 3rd power diode D3, the 4th power diode D4 provide discharge loop；Ac filter electricity
Holding C1 and DC filter capacitor E1 is used to reduce voltage and current ripples；First divider resistance R1 and the second divider resistance R2 are used to
DC voltage is sampled.
A kind of single inductance of the present invention without bridge APFC circuits equipped with drive circuit, including virtual value computing module 1, effectively
It is worth square reciprocal calculation block 2, quasi- PI adjustment modules, signal discrete module 4, pulse shaping module 5 and pulse supplement module 6.
Wherein quasi- PI adjustment modules are divided into the quasi- PI adjustment modules 31 of Voltage loop and the quasi- PI adjustment modules 32 of electric current loop.
Virtual value computing module 1 is in input voltage and input current sampling end sampled input voltage uiAbsolute value and and then
Obtain input voltage virtual value UiRMS, virtual value square reciprocal calculation block 2 calculate obtain input voltage virtual value square inverse
1/U2 iRMS, virtual value square reciprocal calculation block 2 is by voltage effective value square inverse 1/U2 iRMSExport to the first multiplier 71.
Second multiplier 72 is in DC side sampling end sampling and outputting voltage u0, and by output voltage u0With output voltage benchmark
Value urIt is compared, obtains both differences, i.e. voltage error ev, voltage error evThe quasi- PI adjustment modules 31 of input voltage ring, electricity
The quasi- PI adjustment modules 31 of pressure ring are to voltage error evProportional integration regulation is carried out, the quasi- PI adjustment modules 31 of Voltage loop will be missed to voltage
Poor evThe voltage reference value u obtained after proportional integration regulationvcExport to the first multiplier 71.
First multiplier 71 is according to input voltage virtual value square inverse 1/U2 iRMSWith voltage reference value uvc, obtain benchmark
Electric current ir, export to the 3rd multiplier 73, the 3rd multiplier 73 is in input voltage and input current sampling end to input current iLEnter
Row sampling, and with reference current irAfter comparing, current error e is obtainedi, current error eiThe quasi- PI adjustment modules 32 of input current ring,
The quasi- PI adjustment modules 32 of electric current loop are to current error eiProportional integration regulation is carried out, supply voltage u is obtainedcc, supply voltage uccIt is defeated
Enter signal discrete module 4 to carry out discrete obtaining driving voltage ucd, driving voltage ucdIt is admitted to pulse shaping module 5, pulse shaping
Module 5 is by the Triangle ID ripple of its internal generation to driving voltage ucdCopped wave is carried out, PWM1 pulse signals are formed, to drive the
One IGBT module S1, PWM1 pulse signal is exported to pulse supplement module 6, the output of pulse supplement module 6 and PWM1 pulses simultaneously
The complementary pulse of signal, i.e. PWM2 pulse signals, to drive the second IGBT module S2.
A kind of single inductance of the present invention controls the first IGBT moulds without bridge APFC circuits by the complementary pwm pulse signal of two-way
Block S1 and the second IGBT module S2 break-make, utilize the first power diode D1, the second power diode D2, the pole of the 3rd power two
Pipe D3, the 4th power diode D4 realize boosting of the diode-type list inductance without bridge APFC.
Compared with prior art, the present invention 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 more facilitates.
3rd, the first IGBT module S1 and the second IGBT module S2 are driven by complementary pwm pulse, 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 wide 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 is open-minded, the second IGBT module S2 shut-offs；Inductance L discharge processes, the
One IGBT module S1 is turned off, and the second IGBT module S2 is open-minded；Utilize the first power diode D1, the second power diode D2,
Three power diode D3, the 4th power diode D4 constitute charging and discharging circuit.
Embodiment 2
A kind of single inductance based on IGBT module of the present invention is without bridge APFC circuits, including ac filter electric capacity C1, first
IGBT module S1, the second IGBT module S2, the 3rd IGBT module S3, inductance L, the first power diode D1, the pole of the second power two
Pipe D2, the 3rd power diode D3, the 4th power diode D4, DC filter capacitor E1, the first divider resistance R1, the second partial pressure
Resistance R2, and two-way switch BS1.
Two-way switch BS1 first end connection power firestreak constitutes input voltage and input current sampling end, in the point
Can be sampled input current iLWith input voltage ui。
Two-way switch BS1 the second end connection ac filter electric capacity C1 first end, the first IGBT module S1 collection
The positive pole of electrode and the first power diode D1.
The collection of 4th power diode D4 positive pole, ac filter electric capacity C1 the second end and the second IGBT module S2
Electrode connects zero-power line.
First IGBT module S1 emitter stage, inductance L first end connect the second power diode D2 negative pole.
Second IGBT module S2 emitter stage, inductance L the second end connect the 3rd power diode D3 negative pole.
Second power diode D2 positive pole, the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole connects
The second divider resistance R2 first end is connect, negative output terminal is constituted.
First power diode D1 negative pole, the 4th power diode D4 negative pole connect the 3rd IGBT module S3 current collection
Pole, the 3rd IGBT module S3 emitter stage connection DC filter capacitor E1 positive pole and the first divider resistance R1 first end,
Constitute positive output end.
First divider resistance R1 the second end is connected with the second divider resistance R2 the second end, constitutes DC side sampling
End.
A kind of single inductance of the present invention without bridge APFC circuits equipped with drive circuit, including virtual value computing module 1, effectively
It is worth square reciprocal calculation block 2, quasi- PI adjustment modules, signal discrete module 4, pulse shaping module 5 and pulse supplement module 6.
Wherein quasi- PI adjustment modules are divided into the quasi- PI adjustment modules 31 of Voltage loop and the quasi- PI adjustment modules 32 of electric current loop.
Virtual value computing module 1 is in input voltage and input current sampling end sampled input voltage uiAbsolute value and and then
Obtain input voltage virtual value UiRMS, virtual value square reciprocal calculation block 2 calculate obtain input voltage virtual value square inverse
1/U2 iRMS, virtual value square reciprocal calculation block 2 is by voltage effective value square inverse 1/U2 iRMSExport to the first multiplier 71.
Second multiplier 72 is in DC side sampling end sampling and outputting voltage u0, and by output voltage u0With output voltage benchmark
Value urIt is compared, obtains both differences, i.e. voltage error ev, voltage error evThe quasi- PI adjustment modules 31 of input voltage ring, electricity
The quasi- PI adjustment modules 31 of pressure ring are to voltage error evProportional integration regulation is carried out, the quasi- PI adjustment modules 31 of Voltage loop will be missed to voltage
Poor evThe voltage reference value u obtained after proportional integration regulationvcExport to the first multiplier 71.
First multiplier 71 is according to input voltage virtual value square inverse 1/U2 iRMSWith voltage reference value uvc, obtain benchmark
Electric current ir, export to the 3rd multiplier 73, the 3rd multiplier 73 is in input voltage and input current sampling end to input current iLEnter
Row sampling, and with reference current irAfter comparing, current error e is obtainedi, current error eiThe quasi- PI adjustment modules 32 of input current ring,
The quasi- PI adjustment modules 32 of electric current loop are to current error eiProportional integration regulation is carried out, supply voltage u is obtainedcc, supply voltage uccLetter
Number discrete block 4 carries out discrete obtaining driving voltage ucd, driving voltage ucdPulse shaping module 5 is admitted to, it is internal raw by it
Into Triangle ID ripple to driving voltage ucdCopped wave is carried out, PWM1 pulse signals are formed, to drive the first IGBT module S1 and double
To switch BS1, PWM1 pulse signals are exported to pulse supplement module 6, the output of pulse supplement module 6 arteries and veins complementary with PWM1 simultaneously
Punching, i.e. PWM2 pulse signals, to drive the second IGBT module S2.Two-way switch BS1 is driven by pulse shaping module 5
It is dynamic, and the drive signal of the 3rd IGBT module 3 can be switched between PWM1 pulse signals and PWM2 pulse signals.
Compared with prior art, the present invention has following beneficial effect：
Energy storage is carried out using single inductance L, cost is saved 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 based on IGBT module of the present invention passes through the first IGBT module S1 and second without bridge APFC circuits
Driving pulse needed for IGBT module S2 is complementary, and control two-way switch BS1 break-makes realize decompression, and use inductance L, reduce cost and
Volume, and there is clear principle to understand, control signal occur it is simple.
The parameter of each device is in the embodiment：
AC-input voltage wide 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 are open-minded, when the second IGBT module S2 and the 3rd IGBT module S3 are turned off,
Inductance L charges；Two-way switch BS1 and the first IGBT module S1 is turned off, and the second IGBT module S2 and the 3rd IGBT module S3 are open-minded,
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 constitute loop electric discharge, and power supply does not charge to DC side, completes 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 it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (6)
1. a kind of single inductance based on IGBT module is 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；It is characterized in that：
The colelctor electrode of first power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1
Connect power firestreak；
The colelctor electrode of 4th power diode D4 positive pole, ac filter electric capacity C1 the second end and the second IGBT module S2
Connect zero-power line；
First IGBT module S2 emitter stage, and inductance L first end and the second power diode D2 negative pole are connected；
Second IGBT module S2 emitter stage, and inductance L the second end and the 3rd power diode D3 negative pole are connected；
Second power diode D2 positive pole, the 3rd power diode D3 positive pole, DC filter capacitor E1 negative pole connection the
Two divider resistance R2 first end constitutes negative output terminal；
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；
First divider resistance R1 the second end is connected with the second divider resistance R2 the second end, constitutes DC side sampling end.
2. a kind of single inductance based on IGBT module according to claim 1 is without bridge APFC circuits, it is characterised in that：First
The colelctor electrode connection power supply of power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1
Live wire, constitutes input voltage and input current sampling end；First power diode D1 negative pole, the 4th power diode D4 it is negative
The first end that pole, DC filter capacitor E1 positive pole connect the first divider resistance R1 constitutes positive output end.
3. a kind of single inductance based on IGBT module according to claim 1 is without bridge APFC circuits, it is characterised in that：It is also
Including drive circuit, the drive circuit includes：
In the input voltage and input current sampling end collection input voltage virtual value UiRMSVirtual value computing module；
The virtual value computing module is connected, to calculate input voltage virtual value square inverse 1/U2 iRMSVirtual value square fall
Number computing module；
In DC side sampling end collection output voltage u0, and by output voltage u0With output voltage a reference value urIt is compared,
Obtain voltage error evThe second multiplier；
To voltage error evCarry out proportional integration regulation and obtain voltage reference value uvcThe quasi- PI adjustment modules of Voltage loop；
According to input voltage virtual value square inverse 1/U2 iRMSWith voltage reference value uvcObtain reference current irThe first multiplier；
In input voltage and input current sampling end to input current iLSampled, and by input current iLWith reference current ir
It is compared, obtains current error eiThe 3rd multiplier；
To current error eiProportional integration regulation is carried out, supply voltage u is obtainedccThe quasi- PI adjustment modules of electric current loop；
To supply voltage uccProgress is discrete to obtain driving voltage ucdSignal discrete module；
By to driving voltage ucdCopped wave is carried out, obtains driving the pulse form of the first IGBT module S1 PWM1 pulse signals
Into module；
The pulse shaping module is connected, it is complementary with the PWM1 pulse signals to be formed, to drive the 2nd IGBT moulds
The pulse supplement module of block S2 PWM2 pulse signals.
4. a kind of single inductance based on IGBT module according to claim 1 is without bridge APFC circuits, it is characterised in that：First
The colelctor electrode of power diode D1 positive pole, ac filter electric capacity C1 first end and the first IGBT module S1 passes through two-way
BS1 connection power firestreaks are switched, two-way switch BS1 first end connection power firestreak constitutes input voltage and input current
Sampling end；Two-way switch BS1 the second end connects the first power diode D1 positive pole, ac filter electric capacity C1 first end
Portion and the first IGBT module S1 colelctor electrode；
First power diode D1 negative pole and the 4th power diode D4 negative pole, by the 3rd IGBT module S3, connection is straight
Flow filter capacitor E1 positive pole and the first divider resistance R1 first end；Wherein the first power diode D1 negative pole and
Four power diode D4 negative pole connects the 3rd IGBT module S3 colelctor electrode, the 3rd IGBT module S3 emitter stage connection direct current
The first end of filter capacitor E1 positive pole and the first divider resistance R1, constitutes positive output end.
5. a kind of single inductance based on IGBT module according to claim 4 is without bridge APFC circuits, it is characterised in that：It is also
Including drive circuit, the drive circuit includes：
In the input voltage and input current sampling end collection input voltage virtual value UiRMSVirtual value computing module；
The virtual value computing module is connected, to calculate input voltage virtual value square inverse 1/U2 iRMSVirtual value square fall
Number computing module；
In DC side sampling end collection output voltage u0, and by output voltage u0With output voltage a reference value urIt is compared,
Obtain voltage error evThe second multiplier；
To voltage error evCarry out proportional integration regulation and obtain voltage reference value uvcThe quasi- PI adjustment modules of Voltage loop；
According to input voltage virtual value square inverse 1/U2 iRMSWith voltage reference value uvcObtain reference current irThe first multiplier；
In input voltage and input current sampling end to input current iLSampled, and by input current iLWith reference current ir
It is compared, obtains current error eiThe 3rd multiplier；
To current error eiProportional integration regulation is carried out, supply voltage u is obtainedccThe quasi- PI adjustment modules of electric current loop；
To supply voltage uccProgress is discrete to obtain driving voltage ucdSignal discrete module；
By to driving voltage ucdCopped wave is carried out, obtains driving the first IGBT module S1 and two-way switch BS1 PWM1 arteries and veins
Rush the pulse shaping module of signal；
The pulse shaping module is connected, it is complementary with the PWM1 pulse signals to be formed, to drive the 2nd IGBT moulds
The pulse supplement module of block S2 PWM2 pulse signals.
6. a kind of single inductance based on IGBT module according to claim 5 is without bridge APFC circuits, it is characterised in that：3rd
IGBT module S3 drive signal can be switched between PWM1 signals and PWM2 signals.
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| CN107294371B CN107294371B (en) | 2023-07-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113382507A (en) * | 2020-03-10 | 2021-09-10 | 霍尼韦尔国际公司 | Current converter circuit for airport ground lighting |
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| US20100289461A1 (en) * | 2009-05-15 | 2010-11-18 | Chih-Liang Wang | Bridgeless power factor corrector with logic control |
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| CN113382507A (en) * | 2020-03-10 | 2021-09-10 | 霍尼韦尔国际公司 | Current converter circuit for airport ground lighting |
| EP3879935A1 (en) * | 2020-03-10 | 2021-09-15 | Honeywell International Inc. | Current converter circuit for airfield ground lighting |
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| CN107294371B (en) | 2023-07-25 |
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