CN106357135B - A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method - Google Patents
A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method Download PDFInfo
- Publication number
- CN106357135B CN106357135B CN201610831860.9A CN201610831860A CN106357135B CN 106357135 B CN106357135 B CN 106357135B CN 201610831860 A CN201610831860 A CN 201610831860A CN 106357135 B CN106357135 B CN 106357135B
- Authority
- CN
- China
- Prior art keywords
- midpoint potential
- midpoint
- reference voltage
- vienna rectifier
- balance control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4833—Capacitor voltage balancing
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/2173—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a biphase or polyphase circuit arrangement
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/123—Suppression of common mode voltage or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method, this method can reduce the design capacity of DC bus capacitor and wave filter on AC side, save three level VIENNA rectifier costs；For this method on the basis of common mode component is injected and modulated, dynamic changes common mode component DC compensation coefficient and AC compensation coefficient, while solving DC component and AC compounent midpoint imbalance problem；What is more important substantially inhibits midpoint potential low-frequency oscillation under conventional modulated method, improves output power quality under the premise of this method ensures that three-phase alternating current side percent harmonic distortion is consistent with SVPWM modulation.The fields such as battery testing, electrically-charging equipment, drive system can be applied to.
Description
Technical field
The present invention relates to High Power Factor, high power density field of power electronics, especially a kind of VIENNA rectifier midpoint
Current potential alternating current-direct current component balance control method.
Background technology
Active Power Factor Correction Technology is the effective way for solving non-linear element and injecting a large amount of harmonic problems to power grid.
Three-phase tri-level VIENNA rectifications can realize input unity power factor correction, not only have that harmonic wave is small, switching loss is low and electric
The advantages that magnetic disturbance is small, and circuit structure is simple, has less number of switches, without bridge arm direct pass problem.It is suitble to high-power transformation
Occasion, but the neutral balance problem that VIENNA rectification circuit topologys are intrinsic, constrain its popularization and application.
The midpoint potential of VIENNA rectification circuit topologys is uneven, including DC component imbalance and AC compounent injustice
Weighing apparatus.There are many inhibit the unbalanced control method of DC component at present：Patent CN103187887 proposes to be used for three-phase three-wire system
The controller of rectification；Patent CN 104836464, document Performance Analysis of Carrier-Based
Discontinuous PWM Method for Vienna Rectifiers with Neutral-Point Voltage
Balance proposes a kind of rectifier DC side neutral-point-potential balance control device and method using one circle control respectively, and
Discontinuous PWM method solves DC bus capacitance voltage DC unbalance control up and down.However, being handed over because causing midpoint potential
DC component unbalanced factor is complicated, it is extremely difficult to control, traditional adjustable output area of SPWM modulation systems is small, harmonic wave is big so that draws
The AC compounent unbalance control problem for playing midpoint potential oscillation is not resolved.
Midpoint potential vibrates the stress that can increase DC bus capacitor and semiconductor devices, and DC bus capacitor is caused to cross design,
Increase converter cost, reduces its operational reliability.Especially in high-power, high modulation ratio, midpoint potential oscillation introduces
DC side low-frequency harmonics cause power quality poor.Therefore research can inhibit DC component and inhibit the three-phase of AC compounent
Three level VIENNA rectification neutral point voltage control methods are significant.
Invention content
The present invention is to solve the above-mentioned problems, it is proposed that a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control
Method processed, this method dynamic modification common mode component alternating current-direct current penalty coefficient, by calculating midpoint potential imbalance direct current point in real time
Amount and AC compounent penalty coefficient, dynamic compensate common mode component, can solve midpoint potential DC component and AC compounent simultaneously
Imbalance problem.This method can make the exchange side of three level VIENNA fairings and DC side have the electric energy of high quality simultaneously
It outputs and inputs, harmonic wave is low, and reliability is high.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method, includes the following steps：
(1) according to every phase state of VIENNA rectifier, a lattice period is divided into multiple sectors, judges reference voltage sky
Between sector where vector；
(2) according to the correspondence correction value of sector where reference voltage, three-phase reference voltage is modified, two level are obtained
The corrected reference voltage vector of space vector；
(3) according to the magnitude relationship between the corrected reference voltage vector of two level space vectors, region is divided, really
Determine reference voltage space vector region；
(4) it is zero according to determining sector and region and midpoint the electric current average value in switch periods, calculates injection common mode
Component；
(5) the AC compounent compensation system of midpoint potential imbalance DC component compensation coefficient and midpoint potential oscillation is calculated
Number；
(6) uncorrecting is returned in tri-level switch sequential, obtains corresponding switching sequence.
Specifically, further including step (7), verification AC compounent penalty coefficient inhibits midpoint potential oscillation effect.
Preferably, in the step (1), since VIENNA rectifier depends on off state and electric current side per phase state
To, therefore by [- π/6,11 π/6]It is divided into 6 sectors.
Preferably, in the step (2), three-phase reference voltage adds the reference voltage correction value of place sector, meter respectively
Calculation obtains the corrected reference voltage vector of two level space vectors.
In the step (3), according to three-phase reference voltage V under equivalent two levelas、Vbs、VcsSize sequence judge reference
Zonule where voltage vector, specific it is as shown in the table：
It is zero according to sector and region and midpoint the electric current average value in switch periods obtained by step in the step (4),
Change the common mode component being added with three-phase reference voltage, calculates the AC compounent penalty coefficient f of midpoint potential oscillationAC。
In the step (5), if the absolute value of upper and lower side DC capacitor voltage difference is more than midpoint potential imbalance threshold value
When, the output of neutral-point potential balance PI controllers is used as midpoint potential DC component compensation coefficient fDC, neutral-point-potential balance control is straight
To upper and lower side DC capacitor voltage difference absolute value be less than midpoint potential imbalance threshold value when, sequence calculate midpoint potential oscillation
AC compounent penalty coefficient；Otherwise step (5) is skipped.
In the step (7), it is converted into after actual duty cycle according to equivalent duty ratio under two level and calculates midpoint electric current, inspection
It tests AC compounent penalty coefficient and inhibits midpoint potential oscillation effect.
Beneficial effects of the present invention are：
(1) this method is by compensating common mode component, under the premise of ensuring lower three-phase alternating current side percent harmonic distortion, solves
Midpoint potential low-frequency oscillation problem under equivalent traditional SVPWM method, hence it is evident that improve power quality；
(2) this method can reduce DC bus capacitor design capacity, save three level VIENNA rectifier costs；
(3) this method can reduce wave filter on AC side design capacity, save three level VIENNA rectifier costs；
(4) this method can differ absolute value according to capacitance voltage, and direct current point is solved simultaneously by midpoint potential penalty coefficient
Amount and AC compounent midpoint imbalance problem
(5) this method is based on dynamic corrections injection zero-sequence component, inhibits VIENNA rectification midpoint potential alternating current-direct currents component not
Balance, can make the exchange side of three level VIENNA fairings with DC side there is the electric energy of high quality to output and input simultaneously,
Harmonic wave is low, and reliability is high；
(6) under the premise of this method ensures that three-phase alternating current side percent harmonic distortion is consistent with SVPWM modulation, tradition is substantially inhibited
Midpoint potential low-frequency oscillation under modulator approach improves output power quality；
(7) fields such as battery testing, electrically-charging equipment, drive system can be applied to.
Description of the drawings
Fig. 1 is three level VIENNA rectifier topological diagrams；
Fig. 2 by proposition inhibit VIENNA rectifier midpoint potential oscillation common mode component inject modulation principle figure；
Fig. 3 is three-phase current and corresponding sector sequence diagram；
Fig. 4 is equivalent three-phase reference voltage simulation waveform；
Fig. 5 is the common mode component and three equivalent duty ratio simulation waveforms that compensation is not added；
Fig. 6 is the common mode component and three equivalent duty ratio simulation waveforms for changing AC compensation coefficient；
Fig. 7 (a) is that the present invention inhibits midpoint potential to vibrate contrast simulation result schematic diagram with conventional modulated；
Fig. 7 (b) is the midpoint current diagram of the present invention.
Specific implementation mode：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Rectifier control strategy is illustrated with three level VIENNA rectifier structure as shown in Figure 1.
Three level VIENNA rectifiers, including three-phase bridge arm in parallel include two concatenated fast recoveries two per phase bridge arm
Pole pipe, the midpoint side series equivalent two-way switch S of each phase bridge arma、Sb、Sc, i.e., both direction it is different IGBT pipe, the other side
Filtered device is connect with power grid；The identical capacitance C of two capacitances is accessed in each bridge arm input terminal in parallel1、C2；In discrete capacitor
Point O connects the other side of each phase bridge arm direction difference IGBT pipes；The both direction that two capacitance midpoints connect each phase bridge arm is different
The other end of IGBT pipes, two capacitor DC output end shunt load resistance RL, two IGBT pipes of three-phase series can be by all the way
Pwm signal circuit drives.The filter is filter inductance La、Lb、Lc。
VIENNA rectifier is every mutually 3 state (kj=N, O, P, wherein P-state are for electric current from this mutually through capacitance C1It flow to
Midpoint O, O state are that electric current is mutually flowed directly to midpoint O from this, and N is for electric current from midpoint O through capacitance C2It flow to the phase).VIENNA is whole
Flow the Zhuan Tai [ that device can not possibly occur;PPP]Ji [NNN], therefore master switch state is 25, generates 19 different voltage vectors.Its
Include 1 zero vector, 6 small vectors, 6 middle vector sums, 6 big vectors, only there are redundant vectors for small vector.
In the present invention VIENNA rectifier midpoint potential vibrate common mode component injection modulator approach principle as shown in Fig. 2,
It include mainly the following contents：
(1) big sector where judging reference voltage space vector；
(2) corrected reference voltage completes 3-2 level conversions；
(3) judge reference voltage space vector zonule；
(4) injection common mode component is calculated；
(5) midpoint potential imbalance DC component compensation coefficient fDCIt calculates；
(6) the AC compounent penalty coefficient f of midpoint potential oscillationACIt calculates；
(7) uncorrecting is to tri-level switch state；
(8) midpoint Current calculation is verified.
In step (1), since VIENNA rectifier depends on off state and current direction, six fans per phase state
Division is as shown in Figure 4.With reference voltage vector VrefFor sector I (- π/6~π/6), i at this timea>0、ib<0、ic<0。
In step (2), three-phase reference voltage Ua, Ub, UcSector reference voltage correction value is added respectively, is obtained at this time
V’refThe corrected reference voltage vector of as two level space vectors.
Three-phase reference voltage V under equivalent two levelas、Vbs、VcsSimulation waveform is as shown in figure 4, it is defined as formula：
In step (3), according to three-phase reference voltage Vas、Vbs、VcsSize can determine whether to correct voltage reference value V 'refInstitute
In zonule, other sector cell domains judge similar.
The 1 sector zonules I Rule of judgment of table
In step (4), common mode component is calculated, expression formula is
Wherein f is sector redundant vectors VzMiddle p-type small vector Vz +Offset, f ∈ [-1,1], Vcom∈[-Vmin,V0-
Vmin]。
Three-phase reference voltage adds zero-sequence component V under two levelcomObtain the equivalent duty ratio d of space vectora、db、dc, such as Fig. 5
Shown, expression formula is
In step (5), work as fDC=0, carrier signal injection zero-sequence component and SVM are equivalent；As 0≤fDC<When 1, midpoint potential liter
It is high；As -1<fDC<When 0, midpoint potential reduces.
VIENNA rectifier VrefIt can be closed by basic vector (big vector, in appropriate, redundancy nonredundancy small vector, zero vector)
At.Big vector does not have an impact with zero vector alignment current potential, in pass through DC bus capacitor midpoint with nonredundancy small vector in right amount
To capacitor charge and discharge, Neutral-point Potential Fluctuation is generated.In same sector, redundancy small vector alignment current potential is imitated with opposite effect
Fruit, you can inhibit the Neutral-point Potential Fluctuation caused by appropriate and nonredundancy small vector in, can also solve midpoint potential direct current point
Measure imbalance problem.
In step (6), vector causes deviation ratio compensation to be f in ordermedium, nonredundancy small vector causes deviation ratio to be mended
It repays and is expressed as fsmall.Inhibit the AC compounent penalty coefficient f of midpoint potential oscillationACBy following formula
fAC=fmedium+fsmall
Pass through dynamic regulation fAC, change and three-phase reference voltage (Vas、Vbs、Vcs) be added zero-sequence component Vcom, emulate wave
Shape is as shown in Figure 6.The Neutral-point Potential Fluctuation caused by appropriate and nonredundancy small vector in is can inhibit, realizes that midpoint electric current exists
Average value is zero in switch periods.
Calculate separately analysis each region midpoint current average and fACRelational expression, as shown in table 2.
2 each sector midpoint potential of table vibrates penalty coefficient
Switching sequence uncorrecting is returned in three level, and seven sections of method switching sequences are obtained.
In step (8), the three-phase duty ratio of 3 level space vector is respectively D in a switch periodsa、Db、Dc, by public affairs
Formula can obtain midpoint electric current, to examine the present invention to inhibit midpoint potential oscillation effect.
io=Da·ia+Db·ib+Dc·ic
Three-phase duty ratio Da、Db、DcBy the equivalent duty ratio d of two level, three phase space vectora、db、dcIt is calculated according to table 3
3 actual duty cycle of table calculates
In order to verify the effect of neutral-point-potential balance control, common mode component alternating current-direct current thermal compensation signal is shielded before 0.02s
It covers.Fig. 7 is that the present invention inhibits midpoint potential oscillation contrast simulation as a result, working as 0.02s moment, DC component compensation with conventional modulated
Coefficient fDCDynamic compensation common mode component, makes midpoint potential restore balance rapidly, recovery time is close to 0.01s.Fig. 7 (a) is shown
VC1And VC2Waveform, conventional common-mode component shown in time 0.02s-0.058s injection modulation under, midpoint potential oscillation peaks peak
Value is about 3V, and it vibrates peak-to-peak value less than 0.8 under time 0.58s-0.1s the carried modulator approach of the present invention, and as Fig. 7 (b) draws
Play the unbalanced midpoint electric current I of midpoint potentialoIn fACThe lower perseverance of dynamic compensation be zero.
It is new with what is proposed in the present invention by the above simulation result it is found that when mid-point voltage substantial deviation equalization point
Modulator approach can make it restore balance rapidly.What is more important, this method can significantly reduce the oscillation model of mid-point voltage
It encloses.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method, it is characterized in that：Include the following steps：
(1) according to every phase state of VIENNA rectifier, a lattice period is divided into multiple sectors, judges that reference voltage space is sweared
Sector where amount；
(2) according to the correspondence correction value of sector where reference voltage, three-phase reference voltage is modified, two level spaces are obtained
The corrected reference voltage vector of vector；
(3) according to the magnitude relationship between the corrected reference voltage vector of two level space vectors, region is divided, determines ginseng
Examine space vector of voltage region；
(4) it is zero according to determining sector and region and midpoint the electric current average value in switch periods, calculates injection common mode component,
The expression formula of common mode component isThree-phase reference voltage Vas、Vbs、VcsIn maximum value
It is Vmin for Vmax and minimum value, f is sector redundant vectors VzMiddle p-type small vector Vz +Offset, f ∈ [-1,1]；
(5) the AC compounent penalty coefficient of midpoint potential imbalance DC component compensation coefficient and midpoint potential oscillation is calculated, if
When the absolute value of upper and lower side DC capacitor voltage difference is more than midpoint potential imbalance threshold value, neutral-point potential balance PI controllers are defeated
Go out as midpoint potential DC component compensation coefficient fDC, neutral-point-potential balance control is up to upper and lower side DC capacitor voltage difference
When absolute value is less than midpoint potential imbalance threshold value, sequence calculates the AC compounent penalty coefficient of midpoint potential oscillation, in inhibition
The AC compounent penalty coefficient f of point electrical oscillationACBy fAC=fmedium+fsmallIt acquires, wherein middle vector causes deviation ratio to be mended
It repays as fmedium, nonredundancy small vector cause deviation ratio compensation be expressed as fsmall；
(6) uncorrecting is returned in tri-level switch sequential, obtains corresponding switching sequence.
2. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as described in claim 1, feature
It is：Further include step (7), verification AC compounent penalty coefficient inhibits midpoint potential oscillation effect.
3. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as described in claim 1, feature
It is：In the step (1), since VIENNA rectifier depends on off state and current direction per phase state, by [-π/
6,11 π/6]It is divided into 6 sectors.
4. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as described in claim 1, feature
It is：In the step (2), three-phase reference voltage adds the reference voltage correction value of place sector respectively, and two level are calculated
The corrected reference voltage vector of space vector.
5. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as described in claim 1, feature
It is：In the step (3), according to three-phase reference voltage V under equivalent two levelas、Vbs、VcsSize judge reference voltage
Zonule where vector, specific it is as shown in the table：
6. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as described in claim 1, feature
It is：It is zero according to sector and region and midpoint the electric current average value in switch periods obtained by step in the step (4), changes
The common mode component being added with three-phase reference voltage calculates the AC compounent penalty coefficient of midpoint potential oscillation.
7. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as described in claim 1, feature
It is：In the step (5), if the absolute value of upper and lower side DC capacitor voltage difference is more than midpoint potential imbalance threshold value, in
Point potential balance PI controllers output is used as midpoint potential DC component compensation coefficient, and neutral-point-potential balance control is until upper and lower side
When the absolute value of DC capacitor voltage difference is less than midpoint potential imbalance threshold value, the AC compounent for calculating midpoint potential oscillation is mended
Coefficient is repaid, midpoint potential oscillation is inhibited.
8. a kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method as claimed in claim 2, feature
It is：In the step (7), midpoint electric current is calculated after being converted into actual duty cycle according to equivalent duty ratio under two level, examines and hands over
Flow component penalty coefficient inhibits midpoint potential oscillation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831860.9A CN106357135B (en) | 2016-09-19 | 2016-09-19 | A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831860.9A CN106357135B (en) | 2016-09-19 | 2016-09-19 | A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106357135A CN106357135A (en) | 2017-01-25 |
| CN106357135B true CN106357135B (en) | 2018-10-26 |
Family
ID=57858305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610831860.9A Active CN106357135B (en) | 2016-09-19 | 2016-09-19 | A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106357135B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655854B (en) * | 2016-11-12 | 2019-02-26 | 国网江西省电力公司电力科学研究院 | A kind of NPC inverter neutral-point potential balance control method of subregion modulation |
| CN107147314B (en) * | 2017-06-13 | 2019-03-29 | 山东大学 | Correct the carrier modulating method of zero-sequence component injection |
| FR3067885B1 (en) * | 2017-06-15 | 2021-06-11 | Renault Sas | PROCEDURE FOR CONTROLLING A THREE-PHASE VIENNA RECTIFIER. |
| CN108631341B (en) * | 2018-05-17 | 2021-12-21 | 福建奥通迈胜电力科技有限公司 | Zero-sequence current-based three-phase unbalance evaluation method for distribution transformer low-voltage side current |
| CN108923442B (en) * | 2018-08-29 | 2021-07-30 | 山东大学 | Unbalanced voltage oscillation suppression method, controller and system |
| CN108988395B (en) * | 2018-10-13 | 2019-08-13 | 曲阜师范大学 | A kind of topological structure and control method of the directly driven wind-powered current transformer of vertical axis permanent magnet |
| CN109104107A (en) * | 2018-10-13 | 2018-12-28 | 曲阜师范大学 | The topological structure and control method of permanent magnet direct-drive type wind-driven generator generator-side converter wear |
| CN109301839A (en) * | 2018-10-23 | 2019-02-01 | 中国矿业大学(北京) | A kind of reactive power compensation technology of parallel energy one-way flow controlled rectifier |
| CN109494995B (en) * | 2018-10-25 | 2020-08-28 | 江苏大学 | Neutral point potential balance control method suitable for VIENNA rectifier |
| CN110266203B (en) * | 2019-06-26 | 2020-11-17 | 扬州大学 | VIENNA rectifier single-cycle control method for eliminating triple frequency pulsation |
| CN112953270B (en) * | 2021-02-07 | 2022-09-06 | 石家庄通合电子科技股份有限公司 | Three-phase three-level rectifier neutral point balance control method and device and terminal equipment |
| CN113078833B (en) * | 2021-04-15 | 2022-02-22 | 广州工程技术职业学院 | Vienna rectifier midpoint potential oscillation control method, system and device |
| CN113098304B (en) * | 2021-05-19 | 2022-04-29 | 河海大学 | Control circuit of three-phase Vienna rectifier and mixed carrier modulation method thereof |
| CN114094856A (en) * | 2022-01-18 | 2022-02-25 | 南京理工大学 | Vienna rectifier midpoint potential low-frequency oscillation suppression modulation method |
| CN114884325B (en) * | 2022-06-14 | 2022-10-14 | 哈尔滨工业大学 | Electrolytic capacitor-free Vienna rectifier midpoint voltage fluctuation suppression hybrid modulation method |
| CN116827148B (en) * | 2023-06-07 | 2023-12-05 | 广州工程技术职业学院 | Optimized modulation method, device, terminal and medium for Vienna rectifier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187887A (en) * | 2011-12-31 | 2013-07-03 | 伊顿公司 | Controller used for three-phase three-wire Vienna rectifier |
| CN104065291A (en) * | 2014-05-23 | 2014-09-24 | 南京理工大学 | System and method for controlling neutral point voltage balance with low frequency oscillation suppression function |
| CN104836464A (en) * | 2015-05-26 | 2015-08-12 | 东南大学 | Neutral-point-potential balance control device and method for direct current side of VIENNA rectifier |
| CN104836466A (en) * | 2015-05-28 | 2015-08-12 | 哈尔滨理工大学 | 60-degree coordinate system-based three-phase VIENNA rectifier and control method |
-
2016
- 2016-09-19 CN CN201610831860.9A patent/CN106357135B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187887A (en) * | 2011-12-31 | 2013-07-03 | 伊顿公司 | Controller used for three-phase three-wire Vienna rectifier |
| CN104065291A (en) * | 2014-05-23 | 2014-09-24 | 南京理工大学 | System and method for controlling neutral point voltage balance with low frequency oscillation suppression function |
| CN104836464A (en) * | 2015-05-26 | 2015-08-12 | 东南大学 | Neutral-point-potential balance control device and method for direct current side of VIENNA rectifier |
| CN104836466A (en) * | 2015-05-28 | 2015-08-12 | 哈尔滨理工大学 | 60-degree coordinate system-based three-phase VIENNA rectifier and control method |
Non-Patent Citations (1)
| Title |
|---|
| 三相Vienna整流器单闭环及中点电位平衡控制策略;马辉等;《华南理工大学学报(自然科学版)》;20150831;第43卷(第8期);第29-34页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106357135A (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106357135B (en) | A kind of VIENNA rectifier midpoint potential alternating current-direct current component balance control method | |
| CN101976968B (en) | Method for controlling midpoint potential of direct-current bus of three-level inverter | |
| CN102195287B (en) | Parallel-connection active power filter suitable for three-phase four-wire power grid system | |
| CN111371337B (en) | Neutral point potential balance control method of diode clamping type three-level inverter | |
| CN103618491B (en) | SVPWM strategy based on power supply topology of double three-level inverters | |
| CN105226981B (en) | A kind of space vector modulating method with neutral-point-potential balance control | |
| CN104218587B (en) | Three-level four-bridge-arm active filter compensates the control method of distribution neutral current | |
| CN108233403B (en) | MMC double-loop circulating current restraining method based on quasi-proportional resonant regulator | |
| CN106877719B (en) | A kind of neutral point clamp type three-phase tri-level converter and its modulator approach | |
| CN105356778B (en) | A kind of modular multilevel inverter and its dead-beat control method | |
| CN102761284A (en) | Accuracy control method for single-phase diode clamping three level midpoint potential imbalance | |
| CN111416540B (en) | Multi-level converter midpoint potential rapid balance control system and method | |
| CN106169879A (en) | Revise VIENNA rectifier modulator approach, controller and the system injecting zero-sequence component | |
| CN209056937U (en) | Power-balance system | |
| CN104410083B (en) | Capacitance midpoint potential balancing device on SVG (Static VAR Generator) direct current side and control method of capacitance midpoint potential balancing device | |
| CN103580032A (en) | Power grid compensating system and control method thereof | |
| CN109510496A (en) | No electrolytic capacitor NPC three-level inverter neutral-point voltage balance method and system | |
| CN107947599A (en) | Electronic power convertor | |
| CN111293894B (en) | Capacitor voltage balance control method for modular multilevel matrix converter | |
| CN103441502A (en) | Parallel single-phase H-bridge cascade type active electric power filter control device and method thereof | |
| CN111740614A (en) | Y-source two-stage matrix converter analysis method based on state space average model | |
| CN105244882A (en) | Compensation method of three-phase three-wire system active power filter for power grid harmonic current | |
| CN111478565A (en) | Design method of higher harmonic suppression controller of VIENNA rectifier | |
| CN108173443A (en) | A kind of three discontinuous SVPWM methods of level SVG | |
| CN105071390A (en) | Control method of H-bridge three-level active power filter and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220729 Address after: 441000 No.16 YEDIAN Road, high tech Zone (Free Trade Zone), Xiangyang City, Hubei Province Patentee after: HUBEI TECHPOW ELECTRIC Co.,Ltd. Address before: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee before: SHANDONG University |
|
| TR01 | Transfer of patent right |