CN104716854B - The control system and method for three-phase fully-controlled rectifier - Google Patents
The control system and method for three-phase fully-controlled rectifier Download PDFInfo
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- CN104716854B CN104716854B CN201510166911.6A CN201510166911A CN104716854B CN 104716854 B CN104716854 B CN 104716854B CN 201510166911 A CN201510166911 A CN 201510166911A CN 104716854 B CN104716854 B CN 104716854B
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Classifications
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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
- 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
- H02M7/219—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 bridge configuration
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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
- H02M1/0003—Details of control, feedback or regulation circuits
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Abstract
The invention discloses a kind of control system and method for three-phase fully-controlled rectifier.The control system of the three-phase fully-controlled rectifier adds energy hole computing module AER, energy balance relations overall inside three-phase fully-controlled rectifier have been considered by energy hole computing module AER, by adjusting the Energy distribution stored in inductance and electric capacity, the energy in its running is set constantly to approach target steady state point along certain way, realize quick regulation, energy stabilization is maintained after reaching target steady state, realizes stable operation.By the present invention, solve the problems, such as control of the prior art to three-phase fully-controlled rectifier do not consider energy balance relations caused by control performance difference.
Description
Technical field
The present invention relates to electric and electronic technical field, in particular to a kind of control system of three-phase fully-controlled rectifier
And method.
Background technology
Converters are widely used in production and living, have the waveform and size that can make voltage or electric current
The effect of conversion.The species of converters is a lot, such as booster converter, buck converter, inverter, rectifier
Deng.It is identical to form the basic circuit elements of above-mentioned converters main circuit, including inductance, electric capacity, resistance and partly leads
Body switching device.According to energy classification, inductance and electric capacity are energy-storage travelling wave tubes, can be with storage energy and positive energy exchange；Resistance is consumption
Energy element, only can consumed energy；Semiconductor switch device can only change energy flow direction, can not energy storage or power consumption.In electric power electricity
There is the distribution of energy, flowing and equilibrium relation in sub- inverter main circuit, can be realized to power electronics using this relation
The control of position energy variation in inverter main circuit.
Control generally to converters is controlled primarily directed to the voltage in main circuit or electric current, right
Voltage or electric current are controlled the voltage and current information that need to only use in converters main circuit, and can seldom relate to
And to the energy information in main circuit, i.e., the energy that is stored in main circuit in inductance and electric capacity.It is conventional based on voltage or electricity
The control method of stream is using unitary variant as control targe, such as using output voltage as control targe.Fig. 1 is according to prior art
Three-phase fully-controlled rectifier control system structural representation, as shown in figure 1, the control to electric current is simply according to the mistake of voltage
It is big or it is too small be adjusted, the DIRECT ENERGY relation between ignoring.This control mode is difficult to obtain good control
Performance, and easily cause the problems such as overshoot, voltage pulsation are big and transit time is long in transient process.There is minority in the prior art
The control method using energy is attempted in research, although achieving certain achievement, mostly fails to provide on the detailed of energy
Theory analysis and explanation, either simply the simple energy using inductance or electric capacity is controlled, or just with energy
Concept be simplified the nonlinear control method of system, consider the overall energy of converters main circuit
Equilibrium relation.
Control performance caused by not considering energy balance relations for control of the prior art to three-phase fully-controlled rectifier is poor
The problem of, effective solution is not yet proposed at present.
The content of the invention
It is existing to solve it is a primary object of the present invention to provide a kind of control system and method for three-phase fully-controlled rectifier
Caused by control of the technology to three-phase fully-controlled rectifier does not consider energy balance relations the problem of control performance difference.
To achieve these goals, according to an aspect of the invention, there is provided a kind of control of three-phase fully-controlled rectifier
System.
The control system of the three-phase fully-controlled rectifier includes：First modular converter, the input quantity of the first modular converter include a
Phase power supply instantaneous voltage, b phase power supplys instantaneous voltage, a phase inductances transient current and b phase inductance transient currents, the first modular converter
Output quantity include α axle inductances transient current, β axle inductances transient current and d axle power supply instantaneous voltages；Second modular converter, the
The input quantity of two modular converters includes α axle inductances transient current and β axle inductance transient currents, the output quantity bag of the second modular converter
Include d axle inductance transient currents；Three-phase fully-controlled rectifier；And energy hole computing module, the input of energy hole computing module
It is instantaneously electric to measure the target steady state amount for including three-phase fully-controlled rectifier output voltage, three-phase fully-controlled rectifier output voltage, d axle power supplys
The dynamic object amount of pressure, d axle inductances transient current and d axle inductance transient currents, the output quantity of energy hole computing module include d
The target steady state amount of axle inductance transient current, for the mesh by controlling d axle inductance transient current convergence d axle inductance transient currents
Steady-state quantity is marked, realizes the target steady state amount of three-phase fully-controlled rectifier output voltage convergence three-phase fully-controlled rectifier output voltage.
Further, the control system of three-phase fully-controlled rectifier also includes：Current control computing module, wherein, electric current control
The electric current input quantity of computing module processed includes：The target steady state amount of d axle inductance transient currents, d axle inductances transient current, q axles electricity
Feel the target steady state amount of transient current and q axle inductance transient currents, the voltage output amount of current control computing module includes：d
The target steady state amount of shaft voltage vector and the target steady state amount of q shaft voltage vectors.
Further, the control system of three-phase fully-controlled rectifier also includes：3rd modular converter, wherein, the 3rd modulus of conversion
The input quantity of block includes：The target steady state amount of d shaft voltage vectors, the target steady state amount of q shaft voltage vectors and power supply are instantaneously electric
Phase is pressed, the output quantity of the 3rd modular converter includes：The target steady state amount and three-phase of the α shaft voltage vectors of three-phase fully-controlled rectifier
The target steady state amount of the β shaft voltage vectors of full-controlled rectifier device.
Further, the control system of three-phase fully-controlled rectifier also includes：Space vector pulse width modulation module, wherein, it is empty
Between the input quantity of Vector Pulse Width Modulation module include：The target steady state amount of the α shaft voltage vectors of three-phase fully-controlled rectifier, three-phase are complete
Target steady state amount, a phase inductances transient current, b phase inductances transient current and the three-phase fully-controlled of the β shaft voltage vectors of control rectifier
Rectifier output voltage, the output quantity of space vector pulse width modulation module include：Three-phase fully-controlled rectifier a phases switch controlled quentity controlled variable,
Three-phase fully-controlled rectifier b phases switch controlled quentity controlled variable and three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of control of three-phase fully-controlled rectifier
Method.
The control method of the three-phase fully-controlled rectifier includes：Gather the input current and input electricity of three-phase fully-controlled rectifier
Pressure, wherein, the input current of three-phase fully-controlled rectifier includes a phase inductances transient current and b phase inductance transient currents, three-phase fully-controlled
The input voltage of rectifier includes a phase power supply instantaneous voltages and b phase power supply instantaneous voltages；Input electricity to three-phase fully-controlled rectifier
Stream and input voltage carry out changes in coordinates and lock phase, obtain d axle inductance transient currents；And by controlling d axle inductances instantaneously electric
The target steady state amount of stream convergence d axle inductance transient currents realizes three-phase fully-controlled rectifier output voltage convergence three-phase fully-controlled rectifier
The target steady state amount of output voltage.
Further, the input current of three-phase fully-controlled rectifier is mutually included with input voltage progress changes in coordinates with lock：
The input current and input voltage of three-phase fully-controlled rectifier are changed according to following formula, obtain d axle power supplys instantaneous voltage, electricity
Source instantaneous voltage phase, α axle inductances transient current and β axle inductance transient currents,
Wherein, irαFor α axle inductance transient currents, irβFor β axle inductance transient currents, edFor d axle power supply instantaneous voltages, θeFor
Power supply instantaneous voltage phase, θeFor edWith the angle of α axles, iraFor a phase inductance transient currents, irbFor b phase inductance transient currents, ea
For a phase power supply instantaneous voltages, ebFor b phase power supply instantaneous voltages.
Further, d axle power supplys instantaneous voltage, power supply instantaneous voltage phase, α axle inductances transient current and β are being obtained
After axle inductance transient current, method also includes：According to being calculated as follows d axle inductances transient current and q axle inductance transient currents,Wherein, irdFor d axle inductances transient current, irqFor q axle inductance transient currents.
Further, the target steady state amount of q axle inductances transient current is led to for the target steady state amount of 0, d axle inductance transient currents
Cross and be calculated as follows to obtain：Wherein,For the target steady state of d axle inductance transient currents
Amount,ird_rFor the dynamic object amount of d axle inductance transient currents, ioFor the output current of three-phase fully-controlled rectifier,
K is energy regulator parameter and span is [0,1], and L is the inductance value of three-phase fully-controlled rectifier, and C is three-phase fully-controlled rectification
The capacitance of device.
Further, while controlling the target steady state amount of d axle inductance transient current convergence d axle inductance transient currents, side
Method also includes the target steady state amount of control q axle inductance transient current convergence q axle inductance transient currents, wherein, control d axle inductance winks
When electric current convergence d axle inductance transient currents target steady state amount, the mesh of q axle inductance transient current convergence q axle inductance transient currents
Mark steady-state quantity includes：According to the target steady state amount and the target steady state amount of q shaft voltage vectors for being calculated as follows d shaft voltage vectors：Wherein,For the target steady state amount of d shaft voltage vectors,For q shaft voltage vectors
Target steady state amount,For the target steady state amount of q axle inductance transient currents, kLFor current ratio regulator parameter.
Further, after the target steady state amount and the target steady state amount of q shaft voltage vectors for calculating d shaft voltage vectors,
Method also includes：The target steady state amount of the target steady state amount of d shaft voltage vectors and q shaft voltage vectors is converted to according to following formula
The target steady state amount of the α shaft voltage vectors of three-phase fully-controlled rectifier and the target of the β shaft voltage vectors of three-phase fully-controlled rectifier are steady
State amount,Wherein,For the target steady state of the α shaft voltage vectors of three-phase fully-controlled rectifier
Amount,For the target steady state amount of the β shaft voltage vectors of three-phase fully-controlled rectifier.
Further, the target steady state amount of the target steady state amount of d shaft voltage vectors and q shaft voltage vectors is being converted to three
The target steady state of the target steady state amount of the α shaft voltage vectors of phase full-controlled rectifier device and the β shaft voltage vectors of three-phase fully-controlled rectifier
After amount, method also includes：Choose and export that three-phase fully-controlled rectifier a phases switch controlled quentity controlled variable, three-phase fully-controlled rectifier b phases switch
Controlled quentity controlled variable and three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable, wherein, controlled quentity controlled variable, three are switched by three-phase fully-controlled rectifier a phases
Phase full-controlled rectifier device b phases switch controlled quentity controlled variable and three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable and realized to three-phase fully-controlled rectifier
Control.
By the present invention, Energy distribution and Variation Features in three-phase fully-controlled rectifier, can be adjusted using one kind
The control method of energy in three-phase fully-controlled rectifier, make the energy in its running steady along certain continuous convergence target of mode
State amount, realizes quick regulation, reaches target steady state amount and maintains energy stabilization afterwards, realizes stable operation.By the present invention, solve
Caused by control of the prior art to three-phase fully-controlled rectifier does not consider energy balance relations the problem of control performance difference, not only
Good steady-state behaviour is achieved, and improves dynamic property, reduces transit time and voltage pulsation.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation according to the control system of the three-phase fully-controlled rectifier of prior art；
Fig. 2 is the structural representation of the control system of three-phase fully-controlled rectifier according to embodiments of the present invention；
Fig. 3 is the flow chart of the control method of three-phase fully-controlled rectifier according to embodiments of the present invention；
Fig. 4 is the energy closed-loop control schematic diagram of the control method of three-phase fully-controlled rectifier according to embodiments of the present invention；
Fig. 5 is the output waveform when bearing power is mutated according to the control method of the three-phase fully-controlled rectifier of prior art
Schematic diagram；
Fig. 6 is output of the control method of three-phase fully-controlled rectifier according to embodiments of the present invention when bearing power is mutated
Waveform diagram；
Fig. 7 is the control method of the three-phase fully-controlled rectifier of prior art and the three-phase fully-controlled rectifier of the embodiment of the present invention
Control method dynamic property when bearing power is mutated contrast schematic diagram；
Fig. 8 is the control method of three-phase fully-controlled rectifier according to embodiments of the present invention in inductance parameters deviation ± 30%
Dynamic property schematic diagram；And
Fig. 9 is the control method of three-phase fully-controlled rectifier according to embodiments of the present invention in capacitance parameter deviation ± 30%
Dynamic property schematic diagram.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
The present invention is intended to provide a kind of control system and method for three-phase fully-controlled rectifier.
The embodiments of the invention provide a kind of control system of three-phase fully-controlled rectifier, Fig. 2 is according to embodiments of the present invention
Three-phase fully-controlled rectifier control system structural representation, as shown in Fig. 2 the control system bag of the three-phase fully-controlled rectifier
Include：First modular converter, the second modular converter, three-phase fully-controlled rectifier, energy hole computing module, the 3rd modular converter, electricity
Flow control computing module and space vector pulse width modulation module, wherein, the conversion of abc coordinate systems in Fig. 2 to α β coordinate systems
The first modular converter that module corresponds in the embodiment, the modular converter of α β coordinate systems to dq coordinate systems correspond to the embodiment
In the second modular converter, the three-phase fully-controlled rectifier that rectifier bridge corresponds in the embodiment, AER modules correspond to the embodiment
In energy hole computing module, the 3rd modulus of conversion that the modular converters of dq coordinate systems to α β coordinate systems corresponds in the embodiment
Block, the current control computing module that ACR corresponds in the embodiment, the space vector pulse width that SVM corresponds in the embodiment are adjusted
Molding block.
First modular converter is modular converter of the abc coordinate systems to α β coordinate systems, and the input quantity of the first modular converter includes：
A phase power supply instantaneous voltages ea, b phase power supply instantaneous voltages eb, a phase inductance transient currents iraWith b phase inductance transient currents irb, first
The output quantity of modular converter includes：D axle power supply instantaneous voltages ed, power supply instantaneous voltage phase thetae, α axle inductance transient currents irαWith
β axle inductance transient currents irβ。
Second modular converter is modular converter of the α β coordinate systems to dq coordinate systems, and the input quantity of the second modular converter includes：a
Phase inductance transient current iraWith b phase inductance transient currents irb, the output quantity of the second modular converter includes：D axle inductance transient currents
irdWith q axle inductance transient currents irq。
Energy hole computing module AER input quantity includes：Three-phase fully-controlled rectifier PWM output voltage target steady state amountsThree-phase fully-controlled rectifier PWM output voltage uHdc, d axle power supply instantaneous voltages ed, d axle inductance transient currents irdWith d axles
The dynamic object amount i of inductance transient currentrd_r, energy hole computing module AER output quantity includes：D axle inductance transient currents
Target steady state amount
Current control computing module ACR input quantity includes：The target steady state amount of q axle inductance transient currentsD axle inductances
Transient current irdWith q axle inductance transient currents irq, current control computing module ACR output quantity includes：Three-phase fully-controlled rectifier
The target steady state amount of PWM d shaft voltage vectorsWith the target steady state amount of three-phase fully-controlled rectifier PWM q shaft voltage vectors
3rd modular converter is modular converter of the dq coordinate systems to α β coordinate systems, and the input quantity of the 3rd modular converter includes：
The target steady state amount of three-phase fully-controlled rectifier PWM d shaft voltage vectorsThree-phase fully-controlled rectifier PWM q shaft voltage vectors
Target steady state amountWith power supply instantaneous voltage phase thetae, the output quantity of the 3rd modular converter includes：The α of the PWM rectifier bridges
Axle and β shaft voltage vector target steady-state quantitiesOutput end,
Space vector pulse width modulation module SVM input quantity includes：The target of the α shaft voltage vectors of three-phase fully-controlled rectifier
Steady-state quantityThe target steady state amount of the β shaft voltage vectors of three-phase fully-controlled rectifierA phase inductance transient currents ira, b phase inductances
Transient current irbAnd three-phase fully-controlled rectifier output voltage uHdc, space vector pulse width modulation module SVM output quantity includes：
Three-phase fully-controlled rectifier a phases switch controlled quentity controlled variable Sra, three-phase fully-controlled rectifier b phases switch controlled quentity controlled variable SrbAnd three-phase fully-controlled rectification
Device c phases switch controlled quentity controlled variable Src。
The control system of the three-phase fully-controlled rectifier of the embodiment adds energy hole computing module, passes through energy hole
Computing module has considered energy balance relations overall inside three-phase fully-controlled rectifier, is deposited by adjusting in inductance and electric capacity
The Energy distribution of storage, solve control of the prior art to three-phase fully-controlled rectifier and do not consider control caused by energy balance relations
The problem of poor performance, the dynamic property of output is improved, reduces transit time and voltage pulsation.
The embodiments of the invention provide a kind of control method of three-phase fully-controlled rectifier, it is necessary to which explanation, the three-phase are complete
The control method of control rectifier can perform in the control system of three-phase fully-controlled rectifier.Fig. 3 is according to embodiments of the present invention
Three-phase fully-controlled rectifier control method flow chart, as shown in figure 3, the control method of the three-phase fully-controlled rectifier include such as
Under step S302 to step S306：
Step S302, gather the input current and input voltage of three-phase fully-controlled rectifier.
The input current of three-phase fully-controlled rectifier includes a phase inductance transient currents iraWith b phase inductance transient currents irb, three
The input voltage of phase full-controlled rectifier device includes a phase power supply instantaneous voltages eaWith b phase power supply instantaneous voltages eb.Preferably, in collection three
While the input current and input voltage of phase full-controlled rectifier device, the control method of the three-phase fully-controlled rectifier of the embodiment is also wrapped
Include the output current i of collection three-phase fully-controlled rectifieroWith output voltage uHdc。
Step S304, input current and input voltage to three-phase fully-controlled rectifier carry out changes in coordinates and lock phase, obtain d
Axle inductance transient current.
Preferably, the input current of three-phase fully-controlled rectifier is mutually included with input voltage progress changes in coordinates with lock：The
One modular converter, i.e. abc coordinate systems to α β coordinate systems modular converter, according to formula (1) and formula (2) to three-phase fully-controlled rectifier
Input current and input voltage are changed, and obtain d axle power supply instantaneous voltages ed, power supply instantaneous voltage phase thetae, α axle inductance winks
When electric current irαAnd β axle inductance transient currents irβ,
Wherein, θeFor edWith the angle of α axles, iraFor a phase inductance transient currents, irbFor b phase inductance transient currents, eaFor a
Phase power supply instantaneous voltage, ebFor b phase power supply instantaneous voltages.
Obtaining, d axle power supplys instantaneous voltage, power supply instantaneous voltage phase, α axle inductances transient current and β axle inductances are instantaneous
After electric current, the control method of the three-phase fully-controlled rectifier of the embodiment also includes：Second modular converter, i.e. α β coordinate systems to dq
The modular converter of coordinate system, d axle inductance transient currents i is calculated according to following formula (3)rdWith q axle inductance transient currents irq。
Preferably, the target steady state amount of the q axle inductance transient currents in the embodimentFor 0, d axle inductance transient currents
Target steady state amountIt is calculated by formula (4),
Wherein,ird_rFor the dynamic object amount of d axle inductance transient currents, ioFor three-phase fully-controlled rectifier
Output current, k is energy regulator parameter and span is [0,1], and L is the inductance value of three-phase fully-controlled rectifier, C tri-
The capacitance of phase full-controlled rectifier device.Three-phase fully-controlled rectifier PWM output voltage target steady state amountsFor fixed value.
Step S306, by controlling the target steady state amount of d axle inductance transient current convergence d axle inductance transient currents to realize three
The target steady state amount of phase full-controlled rectifier device output voltage convergence three-phase fully-controlled rectifier output voltage.
The target steady state amount of d axle inductance transient currents is being calculatedAfterwards, by controlling d axle inductance transient currents ird
The target steady state amount of convergence d axle inductance transient currentsRealize three-phase fully-controlled rectifier output voltage uHdcConvergence three-phase fully-controlled is whole
Flow the target steady state amount of device output voltageControl control d axle inductance transient currents irdThe mesh of convergence d axle inductance transient currents
Mark steady-state quantityWhile, the control method of the three-phase fully-controlled rectifier of the embodiment also includes control q axle inductance transient currents
irqThe target steady state amount of convergence q axle inductance transient currentsRealize three-phase fully-controlled rectifier output voltage uHdcConvergence three-phase is complete
The target steady state amount of control rectifier output voltageCan be by controlling d axle inductance transient currents irdConvergence d axle inductances are instantaneous
The target steady state amount of electric currentOr control q axle inductance transient currents irqThe target steady state amount of convergence q axle inductance transient currents
Specifically, current control computing module calculates the target steady state of d shaft voltage vectors according to formula (5) and formula (6) respectively
AmountWith the target steady state amount of q shaft voltage vectors
Wherein, kLFor current ratio regulator parameter.
Calculating the target steady state amount of d shaft voltage vectorsWith the target steady state amount of q shaft voltage vectorsAfterwards, the reality
Applying the control method of the three-phase fully-controlled rectifier of example also includes：According to formula (7) by the target steady state amount of d shaft voltage vectorsAnd q
The target steady state amount of shaft voltage vectorBe converted to the target steady state amount of the α shaft voltage vectors of three-phase fully-controlled rectifierWith three
The target steady state amount of the β shaft voltage vectors of phase full-controlled rectifier device
By the target steady state amount of d shaft voltage vectorsWith the target steady state amount of q shaft voltage vectorsIt is complete to be converted to three-phase
The target steady state amount of the α shaft voltage vectors of control rectifierWith the target steady state amount of the β shaft voltage vectors of three-phase fully-controlled rectifierAfterwards, the control method of the three-phase fully-controlled rectifier of the embodiment also includes：Utilization space Vector Pulse Width Modulation module SVM roots
Switching vector selector is chosen according to space vector width pulse modulation method, and exports three-phase fully-controlled rectifier a phases and switchs controlled quentity controlled variable Sra, three-phase it is complete
Control rectifier b phases switch controlled quentity controlled variable SrbAnd three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable Src, wherein, it is whole by three-phase fully-controlled
Device a phases switch controlled quentity controlled variable to stream, three-phase fully-controlled rectifier b phases switch controlled quentity controlled variable and three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable
Realize the control to three-phase fully-controlled rectifier.
The control method of the three-phase fully-controlled rectifier of the embodiment is not concerned only with the voltage and current in circuit, and considers
Energy relationship in circuit, by controlling the target steady state amount of d axle inductance transient current convergence d axle inductance transient currents to realize
The target steady state amount of three-phase fully-controlled rectifier output voltage convergence three-phase fully-controlled rectifier output voltage.Pass through the implementation of the present invention
Example, solve asking for control performance difference caused by control of the prior art to three-phase fully-controlled rectifier does not consider energy balance relations
Topic, has reached reduction transit time and voltage pulsation, has improved the effect of dynamic property.
According to energy balance relations overall in three-phase fully-controlled rectifier, when the reactive component control of control system is zero
When, total ENERGY E in circuitLC, i.e., the sum of energy in three pole reactor and dc-link capacitance, can be calculated by formula (8)：
Assuming that the capacitance voltage of object run point is uHdc_r, the inductive current of object run point is ird_r, then object run
The gross energy E of pointLC_rIt is calculated by formula (9)：
If making the too fast change of energy of current point of operation, such as a step reach the energy of object run point, energy can be caused
Amount it is superfluous or excessively deficient, cause the overshoot of output voltage.Therefore, the controlling party of the three-phase fully-controlled rectifier of the embodiment is passed through
Method makes the energy of current point of operation move closer to the energy of object run point.Wherein, capacitance voltage u in runningHdcAnd inductance
Electric current irdNeed to meet formula (10)：
Wherein, k is energy adjustment parameter.Formula (11) can be obtained according to formula (8) and formula (10)：
Assuming that variable k meets 0≤k≤1, if current point of operation capacitance voltage uHdcLess than object run point capacitance voltage
uHdc_r, i.e. uHdc<uHdc_rThe ENERGY E in face, then current point of operationLCWith the ENERGY E of object run pointLC_rMeet formula (12)：
From formula (12) if in as can be seen that current point of operation capacitance voltage uHdcLess than object run point capacitance voltage
uHdc_r, current point of operation ENERGY ELCObject run point ENERGY E will be less than alwaysLC_r, and as current point of operation gradually leans on
Close-target operating point, current point of operation ENERGY ELCAlso object run point ENERGY E can be moved closer toLC_r, until both are equal, reach
Steady-state target operating point.
If current point of operation capacitance voltage uHdcMore than object run point capacitance voltage uHdc_r, i.e. uHdc>uHdc_r, then when
The ENERGY E of preceding operating pointLCWith the ENERGY E of object run pointLC_rMeet formula (13)
From formula (13) if in as can be seen that current point of operation capacitance voltage uHdcMore than object run point capacitance voltage
uHdc_r, current point of operation ENERGY ELCObject run point ENERGY E will be more than alwaysLC_r, and as current point of operation gradually leans on
Close-target operating point, current point of operation ENERGY ELCAlso object run point ENERGY E can be moved closer toLC_r, until both are equal, reach
Steady-state target operating point.
It can be seen that the ENERGY E of current point of operation can be realized according to formula (10)LCMove closer to the energy of object run point
ELC_r, the control rate based on energy balance as shown in formula (14) can also be obtained：
The energy hole principle of the control method of the three-phase fully-controlled rectifier of the embodiment can be obtained from formula (14), is schemed
4 be the energy closed-loop control schematic diagram of the control method of three-phase fully-controlled rectifier according to embodiments of the present invention, as shown in figure 4,
The control method of the three-phase fully-controlled rectifier of the embodiment uses double -loop control mode, wherein, outer shroud be based on formula (12) and
(13) energy hole ring so that the ENERGY E of current point of operationLCMove closer to the ENERGY E of object run pointLC_r, in dotted line frame
Inner ring be current regulator, control inductive current irdReach the i obtained in formula (14)rdIt is worth, the inner ring in the embodiment is preferred
For voltage oriented control method, direct Power Control method can also be used.
Fig. 5 is the output waveform when bearing power is mutated according to the control method of the three-phase fully-controlled rectifier of prior art
Schematic diagram, Fig. 6 are output of the control method of three-phase fully-controlled rectifier according to embodiments of the present invention when bearing power is mutated
Waveform diagram.Output waveform in comparison diagram 5 and Fig. 6 can be seen that the steady-state behaviour difference of output voltage and output current
It is very few, satisfied steady state effect can be obtained.But both transient process fall far short, relative to of the prior art three
The control method of phase full-controlled rectifier device, the control method of the three-phase fully-controlled rectifier of the embodiment are controlled based on energy balance
System, can obtain shorter transit time, have better performance.
Fig. 7 is the control method of the three-phase fully-controlled rectifier of prior art and the three-phase fully-controlled rectifier of the embodiment of the present invention
Control method dynamic property when bearing power is mutated contrast schematic diagram, as shown in fig. 7, being horizontally and vertically transition respectively
During transit time and voltage pulsation.It can be seen from figure 7 that the control of the three-phase fully-controlled rectifier of the embodiment of the present invention
In method, i.e. Fig. 7 based on experimental result curve corresponding to the control method of energy balance prior art three-phase fully-controlled rectification
The lower section of experimental result curve corresponding to traditional control method, is closer to co-ordinate zero point in the control method of device, i.e. Fig. 7,
I.e. in the case of identical voltage pulsation, the control method of the three-phase fully-controlled rectifier of the embodiment of the present invention has shorter transition
Time, in the case of identical transit time, the control method of the three-phase fully-controlled rectifier of the embodiment of the present invention is with smaller
Voltage pulsation, therefore, the control method of the three-phase fully-controlled rectifier of the embodiment of the present invention can obtain more preferable dynamic property.
Fig. 8 is the control method of three-phase fully-controlled rectifier according to embodiments of the present invention in inductance parameters deviation ± 30%
Dynamic property schematic diagram, Fig. 9 is that the control method of three-phase fully-controlled rectifier according to embodiments of the present invention is inclined in capacitance parameter
Dynamic property schematic diagram during difference ± 30%, from Fig. 8 and Fig. 9 as can be seen that inductance parameters or capacitance parameter be 100%,
Curve corresponding to 130% and 70% all very close to, it is hereby achieved that, influence of the parameter error to control effect is little, because
This, the control method of the three-phase fully-controlled rectifier of the embodiment has good robustness.
It should be noted that can be in such as one group of computer executable instructions the flow of accompanying drawing illustrates the step of
Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not
The order being same as herein performs shown or described step.
As can be seen from the above description, the control system and method for three-phase fully-controlled rectifier of the invention, by adopting
The energy balance relations in circuit have been considered with energy hole computing module, have solved prior art to three-phase fully-controlled rectification
Caused by the control of device does not consider energy balance relations the problem of control performance difference, following technique effect is reached：
1st, dynamic property is good.The control system and method for the three-phase fully-controlled rectifier of the present invention have considered three-phase fully-controlled
Overall energy balance relations inside rectifier, it can avoid causing energy when the energy of inductance and electric capacity storage swaps
Surplus, as inductance dump energy is excessive, being transferred in electric capacity causes capacitance voltage to overshoot.It can be stored by adjusting inductance and electric capacity
Energy distribution, improve the dynamic property of output, reduce transit time and voltage pulsation.
2nd, robustness is good.The control system and method for the three-phase fully-controlled rectifier of the present invention can use a variety of different energy
Allocative decision is measured to realize different control effects, and kinds of schemes can have good stability, i.e. Energy distribution not
The parameter of system is relied upon accurately, such as inductance value and capacitance, thus control system has good robustness.
3rd, realize flexible.The control system and method for the three-phase fully-controlled rectifier of the present invention are double -loop control structures, outer shroud
It is energy hole ring, inner ring is current regulator, and wherein current regulator can have and be realized by multiple control modes, realizes spirit
It is living, i.e., easily it is combined with other control modes, such as voltage vector oriented control and direct Power Control etc..
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific
Hardware and software combines.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. control system of three-phase fully-controlled rectifier, it is characterised in that including：First modular converter, the input quantity of first modular converter include a phase power supplys instantaneous voltage, b phase power supplys instantaneous voltage, A phase inductances transient current and b phase inductance transient currents, the output quantity of first modular converter include α axle inductances transient current, β axle inductances transient current and d axle power supply instantaneous voltages；Second modular converter, the input quantity of second modular converter include the α axle inductances transient current and the β axle inductances Transient current, the output quantity of second modular converter include d axle inductance transient currents；Three-phase fully-controlled rectifier；AndEnergy hole computing module, the input quantity of the energy hole computing module include three-phase fully-controlled rectifier output electricity The target steady state amount of pressure, the three-phase fully-controlled rectifier output voltage, the d axles power supply instantaneous voltage, the d axle inductances are instantaneous The dynamic object amount of electric current and d axle inductance transient currents, the output quantity of the energy hole computing module are instantaneous including d axle inductances The target steady state amount of electric current, for the target by controlling d axle inductance transient currents described in the d axle inductances transient current convergence Steady-state quantity, realize the target steady state of three-phase fully-controlled rectifier output voltage described in the three-phase fully-controlled rectifier output voltage convergence Amount.
- 2. the control system of three-phase fully-controlled rectifier according to claim 1, it is characterised in that the three-phase fully-controlled rectification The control system of device also includes：Current control computing module, wherein, the electric current input quantity of the current control computing module includes：The d axle inductances wink When the target steady state amount of electric current, the d axle inductances transient current, the mesh of q axle inductances transient current and q axle inductance transient currents Mark steady-state quantity,The voltage output amount of the current control computing module includes：The target steady state amount and q shaft voltage vectors of d shaft voltage vectors Target steady state amount.
- 3. the control system of three-phase fully-controlled rectifier according to claim 2, it is characterised in that the three-phase fully-controlled rectification The control system of device also includes：3rd modular converter, wherein, the input quantity of the 3rd modular converter includes：The target steady state of the d shaft voltages vector Amount, the target steady state amount of the q shaft voltages vector and power supply instantaneous voltage phase,The output quantity of 3rd modular converter includes：The target steady state amount of the α shaft voltage vectors of the three-phase fully-controlled rectifier With the target steady state amount of the β shaft voltage vectors of the three-phase fully-controlled rectifier.
- 4. the control system of three-phase fully-controlled rectifier according to claim 3, it is characterised in that the three-phase fully-controlled rectification The control system of device also includes：Space vector pulse width modulation module, wherein, the input quantity of the space vector pulse width modulation module includes：The three-phase is complete The target steady state of the target steady state amount of the α shaft voltage vectors of control rectifier, the β shaft voltage vectors of the three-phase fully-controlled rectifier Amount, a phase inductances transient current, the b phase inductances transient current and the three-phase fully-controlled rectifier output voltage,The output quantity of the space vector pulse width modulation module includes：The three-phase fully-controlled rectifier a phases switch controlled quentity controlled variable, described Three-phase fully-controlled rectifier b phases switch controlled quentity controlled variable and the three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable.
- A kind of 5. control method of three-phase fully-controlled rectifier, it is characterised in that including：The input current and input voltage of three-phase fully-controlled rectifier are gathered, wherein, the input current of the three-phase fully-controlled rectifier Including a phase inductances transient current and b phase inductance transient currents, the input voltage of the three-phase fully-controlled rectifier includes a phase power supplys Instantaneous voltage and b phase power supply instantaneous voltages；Input current and input voltage to the three-phase fully-controlled rectifier carry out changes in coordinates and lock phase, obtain d axle inductance winks When electric current；AndBy controlling the target steady state amount of the d axle inductances transient current convergence d axle inductance transient currents to realize that the three-phase is complete The target steady state amount of three-phase fully-controlled rectifier output voltage described in control rectifier output voltage convergence；Wherein, the input current of the three-phase fully-controlled rectifier is mutually included with input voltage progress changes in coordinates with lock：According to The input current and input voltage of the three-phase fully-controlled rectifier are changed with following formula, obtain d axle power supplys instantaneous voltage, electricity Source instantaneous voltage phase, α axle inductances transient current and β axle inductance transient currents,<mrow> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>&alpha;</mi> </mrow> </msub> </mtd> </mtr> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>&beta;</mi> </mrow> </msub> </mtd> </mtr> </mtable> </mfenced> <mo>=</mo> <mfrac> <mn>2</mn> <mn>3</mn> </mfrac> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mrow> <mo>-</mo> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> </mtd> <mtd> <mrow> <mo>-</mo> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> </mtd> </mtr> <mtr> <mtd> <mn>0</mn> </mtd> <mtd> <mfrac> <msqrt> <mn>3</mn> </msqrt> <mn>2</mn> </mfrac> </mtd> <mtd> <mrow> <mo>-</mo> <mfrac> <msqrt> <mn>3</mn> </msqrt> <mn>3</mn> </mfrac> </mrow> </mtd> </mtr> </mtable> </mfenced> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>a</mi> </mrow> </msub> </mtd> </mtr> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>b</mi> </mrow> </msub> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>-</mo> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>a</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>b</mi> </mrow> </msub> </mrow> </mtd> </mtr> </mtable> </mfenced> </mrow><mrow> <mo>&lsqb;</mo> <msub> <mi>e</mi> <mi>d</mi> </msub> <mo>&rsqb;</mo> <mo>=</mo> <mfrac> <mn>2</mn> <mn>3</mn> </mfrac> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <mrow> <msub> <mi>cos&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> <mtd> <mrow> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>e</mi> </msub> <mo>-</mo> <mfrac> <mrow> <mn>2</mn> <mi>&pi;</mi> </mrow> <mn>3</mn> </mfrac> <mo>)</mo> </mrow> </mrow> </mtd> <mtd> <mrow> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mrow> <mo>(</mo> <msub> <mi>&theta;</mi> <mi>e</mi> </msub> <mo>+</mo> <mfrac> <mrow> <mn>2</mn> <mi>&pi;</mi> </mrow> <mn>3</mn> </mfrac> <mo>)</mo> </mrow> </mrow> </mtd> </mtr> </mtable> </mfenced> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msub> <mi>e</mi> <mi>a</mi> </msub> </mtd> </mtr> <mtr> <mtd> <msub> <mi>e</mi> <mi>b</mi> </msub> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>-</mo> <msub> <mi>e</mi> <mi>a</mi> </msub> <mo>-</mo> <msub> <mi>e</mi> <mi>b</mi> </msub> </mrow> </mtd> </mtr> </mtable> </mfenced> </mrow>Wherein, irαFor the α axle inductances transient current, irβFor the β axle inductances transient current, edIt is instantaneous for the d axles power supply Voltage, θeFor the power supply instantaneous voltage phase, θeFor edWith the angle of α axles, iraFor a phase inductances transient current, irbFor The b phase inductances transient current, eaFor a phases power supply instantaneous voltage, ebFor the b phases power supply instantaneous voltage；Wherein, d axle power supplys instantaneous voltage, power supply instantaneous voltage phase, α axle inductances transient current and β axle inductance winks are being obtained When electric current after, methods described also includes：According to being calculated as follows d axle inductances transient current and q axle inductance transient currents,<mrow> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>d</mi> </mrow> </msub> </mtd> </mtr> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>q</mi> </mrow> </msub> </mtd> </mtr> </mtable> </mfenced> <mo>=</mo> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <mrow> <msub> <mi>cos&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> <mtd> <mrow> <msub> <mi>sin&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>-</mo> <msub> <mi>sin&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> <mtd> <mrow> <msub> <mi>cos&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> </mtr> </mtable> </mfenced> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>&alpha;</mi> </mrow> </msub> </mtd> </mtr> <mtr> <mtd> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>&beta;</mi> </mrow> </msub> </mtd> </mtr> </mtable> </mfenced> </mrow>Wherein, irdFor the d axle inductances transient current, irqFor the q axle inductances transient current；Wherein, the target steady state amount of the q axle inductances transient current is 0, and the target steady state amount of the d axle inductances transient current is led to Cross and be calculated as follows to obtain：<mrow> <msubsup> <mi>i</mi> <mrow> <mi>r</mi> <mi>d</mi> </mrow> <mo>*</mo> </msubsup> <mo>=</mo> <msqrt> <mrow> <msubsup> <mi>i</mi> <mrow> <mi>r</mi> <mi>d</mi> <mo>_</mo> <mi>r</mi> </mrow> <mn>2</mn> </msubsup> <mo>-</mo> <mo>+</mo> <mi>k</mi> <mfrac> <mrow> <mn>2</mn> <mi>C</mi> </mrow> <mrow> <mn>3</mn> <mi>L</mi> </mrow> </mfrac> <mrow> <mo>(</mo> <msup> <mrow> <mo>(</mo> <msubsup> <mi>u</mi> <mrow> <mi>H</mi> <mi>d</mi> <mi>c</mi> </mrow> <mo>*</mo> </msubsup> <mo>)</mo> </mrow> <mn>2</mn> </msup> <mo>-</mo> <msubsup> <mi>u</mi> <mrow> <mi>H</mi> <mi>d</mi> <mi>c</mi> </mrow> <mn>2</mn> </msubsup> <mo>)</mo> </mrow> </mrow> </msqrt> </mrow>Wherein,For the target steady state amount of the d axle inductances transient current,ird_rFor d axle inductance transient currents Dynamic object amount, ioFor the output current of the three-phase fully-controlled rectifier, k is energy regulator parameter and span is [0,1], L are the inductance value of the three-phase fully-controlled rectifier, and C is the capacitance of the three-phase fully-controlled rectifier.
- 6. the control method of three-phase fully-controlled rectifier according to claim 5, it is characterised in that control the d axle inductances While the target steady state amount of transient current convergence d axle inductance transient currents, it is instantaneously electric that methods described also includes control q axle inductances The target steady state amount of convergence q axle inductance transient currents is flowed, wherein, control the d axle inductances transient current convergence d axle inductances instantaneous The target steady state amount of electric current, the target steady state amount of q axle inductance transient current convergence q axle inductance transient currents include：According to the target steady state amount and the target steady state amount of q shaft voltage vectors for being calculated as follows d shaft voltage vectors：<mrow> <msubsup> <mi>u</mi> <mrow> <mi>r</mi> <mi>d</mi> </mrow> <mo>*</mo> </msubsup> <mo>=</mo> <msub> <mi>k</mi> <mi>L</mi> </msub> <mrow> <mo>(</mo> <msubsup> <mi>i</mi> <mrow> <mi>r</mi> <mi>d</mi> </mrow> <mo>*</mo> </msubsup> <mo>-</mo> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>d</mi> </mrow> </msub> <mo>)</mo> </mrow> </mrow><mrow> <msubsup> <mi>u</mi> <mrow> <mi>r</mi> <mi>q</mi> </mrow> <mo>*</mo> </msubsup> <mo>=</mo> <msub> <mi>k</mi> <mi>L</mi> </msub> <mrow> <mo>(</mo> <msubsup> <mi>i</mi> <mrow> <mi>r</mi> <mi>q</mi> </mrow> <mo>*</mo> </msubsup> <mo>-</mo> <msub> <mi>i</mi> <mrow> <mi>r</mi> <mi>q</mi> </mrow> </msub> <mo>)</mo> </mrow> </mrow>Wherein,For the target steady state amount of the d shaft voltages vector,For the target steady state amount of the q shaft voltages vector,For The target steady state amount of the q axle inductances transient current, kLFor current ratio regulator parameter.
- 7. the control method of three-phase fully-controlled rectifier according to claim 6, it is characterised in that calculating d shaft voltages arrow After the target steady state amount of amount and the target steady state amount of q shaft voltage vectors, methods described also includes：The target steady state amount of the d shaft voltages vector and the target steady state amount of the q shaft voltages vector are changed according to following formula The β shaft voltages arrow of target steady state amount and the three-phase fully-controlled rectifier for the α shaft voltage vectors of the three-phase fully-controlled rectifier The target steady state amount of amount,<mrow> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msubsup> <mi>u</mi> <mrow> <mi>r</mi> <mi>&alpha;</mi> </mrow> <mo>*</mo> </msubsup> </mtd> </mtr> <mtr> <mtd> <msubsup> <mi>u</mi> <mrow> <mi>r</mi> <mi>&beta;</mi> </mrow> <mo>*</mo> </msubsup> </mtd> </mtr> </mtable> </mfenced> <mo>=</mo> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <mrow> <msub> <mi>cos&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> <mtd> <mrow> <mo>-</mo> <msub> <mi>sin&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <msub> <mi>sin&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> <mtd> <mrow> <msub> <mi>cos&theta;</mi> <mi>e</mi> </msub> </mrow> </mtd> </mtr> </mtable> </mfenced> <mfenced open = "[" close = "]"> <mtable> <mtr> <mtd> <msubsup> <mi>u</mi> <mrow> <mi>r</mi> <mi>d</mi> </mrow> <mo>*</mo> </msubsup> </mtd> </mtr> <mtr> <mtd> <msubsup> <mi>u</mi> <mrow> <mi>r</mi> <mi>q</mi> </mrow> <mo>*</mo> </msubsup> </mtd> </mtr> </mtable> </mfenced> </mrow>Wherein,For the target steady state amount of the α shaft voltage vectors of the three-phase fully-controlled rectifier,For the three-phase fully-controlled rectification The target steady state amount of the β shaft voltage vectors of device.
- 8. the control method of three-phase fully-controlled rectifier according to claim 7, it is characterised in that by the d shaft voltages The target steady state amount of vector and the target steady state amount of the q shaft voltages vector are converted to the α axles electricity of the three-phase fully-controlled rectifier After pressing the target steady state amount of vector and the target steady state amount of the β shaft voltage vectors of the three-phase fully-controlled rectifier, methods described Also include：Choose and export that the three-phase fully-controlled rectifier a phases switch controlled quentity controlled variable, the three-phase fully-controlled rectifier b phases switch controlled quentity controlled variable And the three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable, wherein, by the three-phase fully-controlled rectifier a phases switch controlled quentity controlled variable, The three-phase fully-controlled rectifier b phases switch controlled quentity controlled variable and the three-phase fully-controlled rectifier c phases switch controlled quentity controlled variable and realized to described The control of three-phase fully-controlled rectifier.
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| CN102290820A (en) * | 2011-08-22 | 2011-12-21 | 中国矿业大学 | LCL (Lower Control Unit) filtering controlled rectifying active damping control method of electric currents on feedback variable current side |
| EP2461469A2 (en) * | 2010-12-06 | 2012-06-06 | Hamilton Sundstrand Corporation | Active rectification control |
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| CN101515760A (en) * | 2008-02-21 | 2009-08-26 | 北京信息工程学院 | Passivity-based control system for voltage type PWM rectifier supplied by unbalanced power supply |
| EP2461469A2 (en) * | 2010-12-06 | 2012-06-06 | Hamilton Sundstrand Corporation | Active rectification control |
| CN102158106A (en) * | 2011-03-28 | 2011-08-17 | 华北电力大学（保定） | Parallel structure of voltage source type PWM (Pulse Width Modulation) rectifier and control method of the rectifier |
| CN102290820A (en) * | 2011-08-22 | 2011-12-21 | 中国矿业大学 | LCL (Lower Control Unit) filtering controlled rectifying active damping control method of electric currents on feedback variable current side |
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