CN1622420A - Vector control method for rectifier of UPS - Google Patents
Vector control method for rectifier of UPS Download PDFInfo
- Publication number
- CN1622420A CN1622420A CN 200310116671 CN200310116671A CN1622420A CN 1622420 A CN1622420 A CN 1622420A CN 200310116671 CN200310116671 CN 200310116671 CN 200310116671 A CN200310116671 A CN 200310116671A CN 1622420 A CN1622420 A CN 1622420A
- Authority
- CN
- China
- Prior art keywords
- current
- rectifier
- component
- regulate
- output
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 230000009466 transformation Effects 0.000 claims description 8
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 7
- 240000002853 Nelumbo nucifera Species 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
Images
Landscapes
- Rectifiers (AREA)
Abstract
The vector control method for rectifier with VIENNA-like circuit in uninterrupted power supply includes: adopting the output of DC voltage current loop PI regulator of target rectifier as given value of the current loop; performing the 3/2 conversion and static/rotary conversion of the triphase input current of rectifier input side to obtain the active component and reactive component of the spatial current vector; performing the PI regulation calculation and conversion based on the differences between the given values of the active current and reactive current regulator and the active component and reactive component of the spatial current vector to obtain pulse width modulation (PWM) switching value for the rectifier; judging the positive-negative of the triphase voltage in the rectifier input side and generating the IGBT pulse width amounts for the power factor correctors; and performing power amplification of IGBT pulse width amounts for the vector control of VIENNA-like circuit.
Description
Technical field
The present invention relates to the uninterrupted power supply (ups) Unity technology, relate in particular to the vector control method of rectifier in the uninterrupted power supply.
Background technology
Along with the aggravation of market competition, the price cost squeeze of uninterrupted power supply (ups) Unity product is increasing.Use Vienna-class (VIENNA-like) circuit and get main circuit topology, can save whole power factor corrector (PFC) circuit of battery feed circuit, thereby reduce the complete machine cost as the UPS rectifier.
The circuit topology of VIENNA-like as shown in Figure 1.Among the figure, S1～6-1 is a main road rectification thyristor (SCR); S1～6-2 is powered battery SCR; Q1, Q2, Q3 are the insulation gate pole bipolar transistor (IGBT) of main road and battery sharing pfc circuit; L1～L6 is the inductance of main road and battery sharing pfc circuit.
At present the discrete ratio-integration (PI) that is controlled to be 6 road PFC of VIENNA-like circuit is controlled, because the circuit symmetrical characteristic that the VIENNA-like circuit is good, therefore, can equivalence be the control of two half-bridges to the control of entire circuit, thereby make control structure simplify; But also there are many drawbacks in this control method, and is undistinct as the physical significance of regulated quantity in the control, thereby relatively more responsive for the variation of input filtering parameter; Simultaneously, if the distributed constant of 6 road PFC slightly different (as the difference of track lengths), but and Control Parameter is identical, then can cause the characteristic variation of this VIENNA-like circuit.
Summary of the invention
The object of the present invention is to provide the vector control method of rectifier in a kind of uninterrupted power supply (ups) Unity, with the performance of further raising UPS rectifier.
Realize technical scheme of the present invention:
The vector control method of rectifier in a kind of uninterrupted power supply (ups) Unity, described rectifier comprises VIENNA-like (class Vienna-class) circuit, realize interchange/Direct Transform by pulse-width modulation (PWM) signal controlling IGBT, described power drive signal is controlled by ratio-integration (PI) result of processor output; Described method comprises step:
A, the DC bus-bar voltage of sampling rectifier is carried out PI regulate computing, obtain the set-point of active current ring;
B, to the sampling the input side rectifier three-phase input current carry out conversion, obtain the real component and the idle component of space current vector;
C, described real component is carried out PI as the set-point of the feedback quantity of active current pi regulator and described active current ring regulate computing, obtain active current and regulate output;
D, idle component is carried out PI as the set-point of the feedback quantity of reactive current pi regulator and reactive current ring regulate computing, obtain reactive current and regulate output;
E, described active current is regulated output and reactive current regulate output and carry out pulse-width modulation (PWM) switching value that conversion obtains three phase mains;
F, differentiate the positive and negative of input voltage according to the three-phase input power supply of the input side rectifier of sampling, and producing the IGBT pulsewidth amount of each road power factor corrector (PFC) jointly with pulse-width modulation (PWM) switching value of described three phase mains, the power that is produced by this IGBT pulsewidth amount control drives signal and realizes vector control to the VIENNA-like circuit.
Wherein:
That carries out among the step B is transformed to 3/2 conversion (PARK conversion) and static/rotation transformation (CLARK conversion); That carries out in the step e is transformed to PARK and CLARK inverse transformation.
Separate lotus root component and the PI that also introduce the feedforward component of DC bus-bar voltage and reactive current among the step C regulate acting in conjunction as a result and obtain the output of active current adjuster.
Separate lotus root component and the PI that also introduce active current among the step D regulate acting in conjunction as a result and obtain the output of reactive current adjuster.
When if systematic function is had relatively high expectations, carry out corresponding reactive power compensation by regulating the idle component set-point; Otherwise the idle component set-point is made as 0.
The present invention is by the VIENNA-like circuit is carried out vector control, and is clear to the physical significance of UPS rectifier control, can control by real component and idle component, helps to improve the performance of UPS rectifier; Simultaneously, in conjunction with the common characteristic of vector control and VIENA-like circuit, by vector control the overall performance of UPS rectifier is significantly improved, adopt the VIENNA-like circuit can save UPS complete machine cost, therefore, adopt the present invention can make the UPS complete machine have very high cost performance.
Description of drawings
Fig. 1 is the VIENNA-like rectification circuit of UPS;
Fig. 2 is the theory diagram of UPS;
Fig. 3 is the vector control block diagram based on the VIENNA-like circuit;
Fig. 4 is a process chart of the present invention.
Embodiment
The circuit topology of VIENNA-like as shown in Figure 1, thyristor (SCR) S1～6-1 is used for the main road rectification; Thyristor S1～6-2 is used for powered battery; Q1, Q2, Q3 are the insulation gate pole bipolar transistor (IGBT) of main road and battery sharing power factor corrector (PFC) circuit; L1～L6 is the inductance of main road and battery sharing pfc circuit, because of inductance value is identical, is made as L; Inductance L 19, L20, L2 and capacitor C 7, C8, C9 form input filtering link; Wherein, the electric current by the PFC inductance is made as i
L, current in middle wire is made as i
0, input voltage is U
S, the internal resistance of rectifier is R, the bus capacitor both end voltage is U
d, capacitance is C; The electric current that flows through bus capacitor is i
d, and the switch function of pfc circuit IGBT is made as S
A, S
B, S
CThe basic circuit equation of this rectifier is:
According to this circuit equation, static/rotation transformation through the PARK conversion, can get its state equation:
Wherein, i
d, i
qFor input current through the current phasor of PARK and static/rotation transformation gained component at d axle (active current component) and q axle (reactive current component); And U
Sd, U
SqFor input voltage through the voltage vector of PARK and static/rotation transformation gained component at d axle and q axle; According to above state equation, with the busbar voltage is the rectifier outer shroud, with the d shaft current is to encircle in the rectifier, be 1 for pursuing the rectifier power factor simultaneously, on behalf of the set-point of the q shaft current ring of idle component, Ying Jiang be made as 0, and by the lotus root of separating, thereby drawn the vector control strategy of VIENNA-like circuit to this state equation.
Consult shown in Figure 2ly, UPS mainly comprises VIENNA-like main circuit, IGBT drive circuit, check-out console (or claiming testing circuit) and digital signal processor (DSP).Pi regulator is realized by executive program by DSP.The VIENNA-like main circuit is converted to direct current with the alternating current of importing and exports by dc bus under the power drive signal controlling of IGBT drive circuit output.The dc bus of check-out console from main circuit obtains the voltage and current signal and feeds back to DSP, and the pi regulator computing and the output of being correlated with by DSP are used for pulse-width signal (PWM), produces the power drive signal with this pulse-width signal control EGBT circuit.
Consult shown in Figure 3ly, represented the vector control strategy that DSP implements by working procedure among the figure.Below in conjunction with Fig. 2, Fig. 3 and Fig. 4 the idiographic flow of implementing vector control is described:
Step 10: by check-out console sample respectively three-phase voltage, electric current and the outlet side DC bus-bar voltage of input side rectifier.
Step 20:DSP carries out busbar voltage control, regulates the set-point that computing draws meritorious (D axle) electric current loop through Voltage loop PI.
Step 30: three-phase input current is carried out PARK conversion and CLARK conversion, draw the real component and the idle amount component of space current vector, and respectively as the feedback quantity of meritorious (D axle) electric current loop and idle (Q axle) electric current loop.
Step 40: real component is carried out PI adjusting computing as the feedback quantity of active current ring pi regulator and the set-point of described active current ring, obtain active current and regulate output.
In order further to improve the control effect of active current ring, separate lotus root component and the PI that can introduce the feedforward component of DC bus-bar voltage and reactive current regulate acting in conjunction as a result and obtain the active current adjuster and export.
Step 50: idle component is carried out PI adjusting computing as the feedback quantity of reactive current ring pi regulator and the set-point of reactive current ring, obtain reactive current and regulate output.
In order further to improve the control effect of reactive current ring, separate lotus root component and the PI that can introduce active current regulate acting in conjunction as a result and obtain the reactive current adjuster and export.
As it is less to import filtering parameter, engineering design is influenced when not obvious, the set-point of reactive current ring can be made as 0, have relatively high expectations as systematic function, then can not carry out the control of 0 idle component, can carry out corresponding reactive power compensation by the set-point of regulating the reactive current ring.
Step 60: PARK and CLARK inverse transformation are carried out in active current adjusting output and reactive current adjusting output, draw pulse-width modulation (PWM) switching value of A, B, C three-phase, and above-mentioned switching value is concentrated dead area compensation at each power frequency period.
Step 70: it is positive and negative to differentiate input voltage with the input phase discriminator, and draws the IGBT pulsewidth amount of each road PFC jointly with the PWM switching value of A, B, C three-phase, and the power that is produced by this IGBT pulsewidth amount control drives signal and realizes vector control to the VIENNA-like circuit.
Claims (5)
1, the vector control method of rectifier in a kind of uninterrupted power supply (ups) Unity, described rectifier comprises Vienna-class (VIENNA-like) circuit, realize interchange/Direct Transform by pulse-width modulation (PWM) signal controlling insulation gate pole bipolar transistor (IGBT), described power drive signal is controlled by ratio-integration (PI) result of processor output; It is characterized in that described method comprises step:
A, the DC bus-bar voltage of sampling rectifier is carried out PI regulate computing, obtain the set-point of active current ring;
B, to the sampling the input side rectifier three-phase input current carry out conversion, obtain the real component and the idle component of space current vector;
C, described real component is carried out PI as the set-point of the feedback quantity of active current pi regulator and described active current ring regulate computing, obtain active current and regulate output;
D, idle component is carried out PI as the set-point of the feedback quantity of reactive current pi regulator and reactive current ring regulate computing, obtain reactive current and regulate output;
E, described active current is regulated output and reactive current regulate output and carry out pulse-width modulation (PWM) switching value that conversion obtains three phase mains;
F, differentiate the positive and negative of input voltage according to the three-phase input power supply of the input side rectifier of sampling, and producing the IGBT pulsewidth amount of each road power factor corrector (PFC) jointly with pulse-width modulation (PWM) switching value of described three phase mains, the power that is produced by this IGBT pulsewidth amount control drives signal and realizes vector control to the VIENNA-like circuit.
2, the method for claim 1 is characterized in that, that carries out among the step B is transformed to 3/2 conversion (PARK conversion) and static/rotation transformation (CLARK conversion); That carries out in the step e is transformed to PARK and CLARK inverse transformation.
3, the method for claim 1 is characterized in that, separate lotus root component and the PI that also introduce the feedforward component of DC bus-bar voltage and reactive current among the step C regulate acting in conjunction as a result and obtain the output of active current adjuster.
As claim 1 or 3 described methods, it is characterized in that 4, separate lotus root component and the PI that also introduce active current among the step D regulate acting in conjunction as a result and obtain the output of reactive current adjuster.
5, method as claimed in claim 1 or 2 is characterized in that, if when systematic function is had relatively high expectations, carries out corresponding reactive power compensation by regulating the idle component set-point; Otherwise the idle component set-point is made as 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101166716A CN100433494C (en) | 2003-11-26 | 2003-11-26 | Vector control method for rectifier of UPS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101166716A CN100433494C (en) | 2003-11-26 | 2003-11-26 | Vector control method for rectifier of UPS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1622420A true CN1622420A (en) | 2005-06-01 |
| CN100433494C CN100433494C (en) | 2008-11-12 |
Family
ID=34760726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101166716A Expired - Lifetime CN100433494C (en) | 2003-11-26 | 2003-11-26 | Vector control method for rectifier of UPS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100433494C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267125B (en) * | 2007-03-09 | 2014-07-23 | 通用电气公司 | Clean input UPS with fast rectifier control and improved battery life |
| CN107769594A (en) * | 2017-11-07 | 2018-03-06 | 西南交通大学 | A kind of optimization method of Pulse rectifier current inner loop controller |
| CN107785972A (en) * | 2017-09-19 | 2018-03-09 | 南京航空航天大学 | A kind of control system and control method of uninterruptible power system rectifier |
| CN113708479A (en) * | 2021-08-30 | 2021-11-26 | 漳州科华电气技术有限公司 | PFC control method and terminal equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664542B (en) * | 2012-04-27 | 2014-09-03 | 华为技术有限公司 | Circuit and control method thereof |
| CN106515503B (en) * | 2016-12-30 | 2018-09-18 | 深圳市英威腾电气股份有限公司 | A kind of charging/discharging thereof and charger of electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI90294C (en) * | 1990-05-03 | 1994-01-10 | Kone Oy | Procedure for regulating the DC voltage of rectifiers |
| JP3192058B2 (en) * | 1995-02-01 | 2001-07-23 | 株式会社日立製作所 | Control device for PWM converter |
-
2003
- 2003-11-26 CN CNB2003101166716A patent/CN100433494C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267125B (en) * | 2007-03-09 | 2014-07-23 | 通用电气公司 | Clean input UPS with fast rectifier control and improved battery life |
| CN107785972A (en) * | 2017-09-19 | 2018-03-09 | 南京航空航天大学 | A kind of control system and control method of uninterruptible power system rectifier |
| CN107769594A (en) * | 2017-11-07 | 2018-03-06 | 西南交通大学 | A kind of optimization method of Pulse rectifier current inner loop controller |
| CN107769594B (en) * | 2017-11-07 | 2019-08-13 | 西南交通大学 | A kind of optimization method of Pulse rectifier current inner loop controller |
| CN113708479A (en) * | 2021-08-30 | 2021-11-26 | 漳州科华电气技术有限公司 | PFC control method and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100433494C (en) | 2008-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101414788B (en) | DC constant current power supply with low ripple implemented through mixing IGBT series and parallel connections | |
| CN105119536B (en) | A kind of motor driver topology and its control method | |
| CN108011553A (en) | A kind of double-PWM frequency converter model prediction direct Power Control method based on Virtual shipyard | |
| CN1578093A (en) | Frequency converter and its control method | |
| CN112039131B (en) | Virtual synchronous machine-based dual-machine parallel system power distribution method and system | |
| CN108321831B (en) | Control method for uncertainty of filter inductance parameter of railway power regulator | |
| CN110513846A (en) | A kind of no electrolytic capacitor compressor of air conditioner control method | |
| Hua et al. | Comparison of three PWM strategies-SPWM, SVPWM & one-cycle control | |
| CN201303290Y (en) | Direct-current stabilized power supply for achieving low ripple with IGBT series-parallel mixture | |
| CN1665095A (en) | A comprehensive electric energy quality regulator | |
| CN1622420A (en) | Vector control method for rectifier of UPS | |
| CN105958525B (en) | PWM grid-connected inverter control method of permanent magnet wind power generation system | |
| CN114531087B (en) | High-speed permanent magnet synchronous motor optimization control method based on current source inverter | |
| CN111600366A (en) | Soft start method for vehicle charger | |
| Tallam et al. | Practical issues in the design of active rectifiers for AC drives with reduced DC-link capacitance | |
| CN112542978B (en) | Motor driving system based on bidirectional staggered parallel DC-DC inverter | |
| CN106941264A (en) | A kind of control method of grid-connected inverter | |
| CN116094380A (en) | Improved model predictive control method suitable for high-speed train traction converter | |
| Kim et al. | A Comparison of DPWM and Inverter Loss Energy Based FCS-MPC for IPMSM | |
| CN101783601A (en) | Multiphase current type PWM rectifier based on dual controllable rectifier bridge of hybrid switch | |
| CN1305197C (en) | Harmonic type mixed active power filter and its control method | |
| CN2909690Y (en) | FM-AM power inverter | |
| Bonifacio et al. | A new high performance shunt active filter based on digital control | |
| Hu et al. | Research on vector control and subdivision drive technology of two-phase hybrid stepper motor based on SVPWM | |
| CN111342678A (en) | Ultra-sparse matrix converter with Boost circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Columbo Road, Ohio, Dearborn 1050 Patentee after: Dimension Corp. Address before: Ohio, USA Patentee before: LIEBERT Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081112 |