CN107196579B - A kind of control method that permanent magnet synchronous motor tape speed is put into again and control device - Google Patents
A kind of control method that permanent magnet synchronous motor tape speed is put into again and control device Download PDFInfo
- Publication number
- CN107196579B CN107196579B CN201710396012.4A CN201710396012A CN107196579B CN 107196579 B CN107196579 B CN 107196579B CN 201710396012 A CN201710396012 A CN 201710396012A CN 107196579 B CN107196579 B CN 107196579B
- Authority
- CN
- China
- Prior art keywords
- voltage
- inverter
- permanent magnet
- current
- magnet synchronous
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/022—Synchronous motors
- H02P25/024—Synchronous motors controlled by supply frequency
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
Abstract
The invention discloses a kind of control method that permanent magnet synchronous motor tape speed is put into again and control devices, this method comprises: when detecting that the power grid bus has voltage, the output of inverter ac end is set to be that offset voltage is worth equal first voltage to inverter control end input first control signal, offset voltage is obtained according to permanent magnet synchronous electric electrical-mechanical end electric current and permanent magnet synchronous motor back-emf；Inverter ac end is set to export the second voltage equal with operating voltage value to inverter control end input second control signal, operating voltage is obtained according to default stator winding current；Inverter is set to enter closed-loop control to inverter control end input closed loop command signal.This method eliminates dash current when throwing again by putting into moment offset voltage again.This method does not add other additional firmwares, dash current is eliminated by way of software algorithm, the security performance and stability of electric system are obviously improved in the case where not influencing permanent magnet synchronous motor normal work.
Description
Technical field
The invention belongs to permanent magnet synchronous motor control technology fields, more particularly, to a kind of permanent magnet synchronous motor belt speed
Spend the control method put into again and control device.
Background technique
Permanent magnet synchronous motor (Permanent Magnet Synchronous Motor, PMSM) simple, body with structure
The features such as product is small, high-efficient, torque is big.Permanent magnet synchronous motor transmission system is to pass through controller and frequency conversion using PMSM as object
The transmission system of device control permanent magnet synchronous motor.Permanent magnet synchronous motor transmission system can be realized high-precision, high dynamic performance, big
The speed regulation and control of range, therefore it is widely used in each speed regulation field.
In traction electric machine application field, due to factors such as power supply line and regions, often there is length in rail line road
Not equal non-Electric region.
Referring to Fig. 1, which is the rail traffic traction electric machine transmission system schematic diagram of this patent application.Rail traffic traction
Motor transmission system specifically include that controller 001, inverter 002, non-electric detection unit 003, permanent magnet synchronous motor 004 and
DC bus 005.Wherein controller 001 obtains the real time datas such as speed and current from permanent magnet synchronous motor by each sensor, and
Pulsewidth modulation (Pulse Width Modulation, PWM) signal is issued to inverse in conjunction with the command signal of non-electric detection unit 003
Become device 002, the switching device movement in pwm signal control inverter 002 that controller 001 issues makes inverter 002 export electricity
Pressure supply permanent magnet synchronous motor 004.Wherein whether non-electric detection unit 003 has for detecting on current electric grid DC bus 005
Electricity issues pulse blocking signal to control inverter 002 and obtain all switching devices shutdowns.It is inverse if busbar voltage has electricity
Become device 002 to work normally, into closed-loop control；If bus is not charged, it is forced shutdown all switching tubes of inverter 002.
Other alternating current generators are different from, permanent magnet synchronous motor 004 uses permanent magnet excitation, has back-emf work as long as rotation
Used in motor side.Its back-emf calculation formula can be reduced to E=ωeψ.Wherein ωeFor rotor angular rate, ψ is permanent magnet
Magnetic linkage.It can be seen that in the fixed-size situation of permanent magnet flux linkage from formula, back-emf increases as revolving speed increases, also
It is likely to occur the case where speed increase makes back-emf be higher than busbar voltage.
Tape speed is put into again refers to train in belt speed operational process, and non-electric detection unit 003, which releases pulse blocking, to be made
Inverter 002 is put into again, i.e. 002 output voltage of inverter is to permanent magnet synchronous motor 004.At this time if train is in no electricity
Section, then motor terminal voltage shows as back-emf, so the three-phase current of permanent magnet synchronous motor 004 is zero or passes through inverter
Uncontrollable rectifying part in 002 is rectified to DC side.Ratio then between train is again introduced into electric region, in controller 001
Integral controller (PI Controller) input will become a step signal, so PI will be superimposed again one in original output
A very big component exports a great command voltage value, causes to form big electricity between inverter 002 and motor 004
Pressure difference causes dash current.
Dash current can bring torque shock, may cause mechanical breakdown；Amount of heat can be also generated, reducing switching tube can
By property, or even burn out stator winding or switching tube.Dash current caused by moment is thrown again to eliminate permanent magnet synchronous motor belt speed, this
Invention proposes a kind of new control algolithm, makes the safe belt speed investment of permanent magnet synchronous motor.
Summary of the invention
For disadvantages described above, the present invention provides a kind of control method and control that permanent magnet synchronous motor tape speed is put into again
Device, it is intended to solve that existing control method is out of control due to PI controller saturation to lead to the shape on inverter and permanent magnet synchronous motor
The technical issues of at big voltage difference and then dash current is introduced to permanent magnet synchronous motor and inverter.
To achieve the above object, as an aspect of of the present present invention, the present invention provides a kind of permanent magnet synchronous motor tape speed weight
The control method newly put into, the exchange end of inverter and the electrical end of permanent magnet synchronous motor connect, the DC terminal and electricity of inverter
The connection of net bus, comprising the following steps:
S001 controls the output of inverter ac end by first control signal and mends when detecting that power grid bus has voltage
Repay the equal first voltage of the value of voltage；
S002 controls inverter ac end by second control signal and exports the second voltage equal with the value of operating voltage；
S003 controls inverter by closed loop command signal and realizes closed-loop control；
Offset voltage is obtained according to permanent magnet synchronous electric electrical-mechanical end electric current and permanent magnet synchronous motor back-emf, operating voltage root
It is obtained according to default stator winding current.
Preferably, in step S001 when permanent magnet synchronous electric electrical-mechanical end no current, according to formula Uqc=ωeψ obtains institute
The q axis component of offset voltage is stated, the d axis component of the offset voltage is zero；Wherein, ψ is permanent magnet flux linkage, ωeFor rotor electricity
Angular speed.
Preferably, in step S001 when there is electric current at permanent magnet synchronous electric electrical-mechanical end, according to formula Udc=id·R-ωeLqiqObtain the d axis component of offset voltage, Uqc=iq·R+ωeLdid+ωeThe q axis component of ψ acquisition offset voltage；Wherein, idFor
Winding current d axis component, iqFor winding current q axis component, R is winding resistance, and ψ is permanent magnet flux linkage, ωeFor rotor electric angle speed
Degree, LdFor winding inductance d axis component, LqWinding inductance q axis component.
Preferably, second control signal makes inverter ac end output voltage with the transformation of slope growth pattern in step S002
To operating voltage.
As another aspect of the present invention, the present invention provides a kind of control that permanent magnet synchronous motor tape speed is put into again dress
It sets, comprising:
Offset voltage computing unit, for anti-electric according to permanent magnet synchronous electric electrical-mechanical end current signal and permanent magnet synchronous motor
Gesture exports first control signal；
Operating voltage computing unit, for exporting second control signal according to default stator winding current；
PI controller, for controlling signal according to default stator winding current and winding real-time working electric current output closed-loop；
And
Logic selecting unit, first input end are connect with offset voltage computing unit output end, the second input terminal with
The connection of operating voltage computing unit output end, third input terminal are connect with PI controller output end, and control terminal is for receiving
Bus voltage signal, for determining that closed loop command signal, first control signal and the second control are believed according to bus voltage signal
Number it is input to the sequence at inverter control end；
When bus voltage signal is pulse blocking signal to after having electric signal to switch, inverter control termination receives signal
Sequence is first control signal, second control signal and closed loop command signal.
Preferably, when permanent magnet synchronous electric electrical-mechanical end no current, offset voltage computing module exports first control signal
Make inverter ac side output voltage Uqc=ωeψ；Wherein, ψ is permanent magnet flux linkage, ωeFor rotor angular rate.
Preferably, when there is electric current at permanent magnet synchronous electric electrical-mechanical end, offset voltage computing module exports first control signal
Make the d axis component U of inverter ac side output voltagedc=id·R-ωeLqiq, the q axis component of output voltage is Uqc=iq·
R+ωeLdid+ωeψ；Wherein, idFor generating state winding current d axis component, iqFor generating state winding current q axis component, R is
Winding resistance, ψ are permanent magnet flux linkage, ωeFor rotor angular rate, LdFor winding inductance d axis component, LqWinding inductance q axis point
Amount.
Through the invention it is contemplated above technical scheme is compared with the prior art, can obtain it is following the utility model has the advantages that
1, when busbar voltage has switched to electricity condition by electroless state, inverter control end is allowed first to receive the first control letter
Number, make inverter ac end output voltage offset voltage, inverter ac end and motor electrically hold between voltage difference be zero, disappear
Except the dash current that permanent magnet synchronous motor back-emf introduces, second control signal is then changed to by first control signal, is made inverse
Become device exchange end output voltage and operating voltage increased to by offset voltage, is gradually increasing permanent magnet synchronous electric electrical-mechanical end electric current,
Rush of current is reduced, enters closed-loop control state after current transformer exchange end voltage increases to operating voltage.Changed by staged
Become inverter ac end output voltage, reduces current rise rate during permanent magnet synchronous motor tape speed is put into again, have
The dash current that permanent magnet synchronous motor tape speed puts into moment again is eliminated or reduced to effect, makes whole process safety and steady；
2, it allows inverter ac end output voltage to increase to operating voltage from offset voltage with slope growth pattern, can subtract
The dash current that few voltage change process punching introduces, effectively eliminates or reduces permanent magnet synchronous motor tape speed and put into moment again
Dash current makes whole process safety and steady.
Detailed description of the invention
Fig. 1 is control system for permanent-magnet synchronous motor schematic diagram in the prior art；
Fig. 2 is the control method flow chart that permanent magnet synchronous motor tape speed provided by the invention is put into again；
Fig. 3 is the control method embodiment flow chart that permanent magnet synchronous motor tape speed provided by the invention is put into again；
Fig. 4 is the schematic diagram for the control device that permanent magnet synchronous motor tape speed provided by the invention is put into again.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
001 indicates controller；002 indicates inverter；003 indicates non-electric detection unit；004 indicates permanent magnet synchronous motor；
005 indicates DC bus；006 indicates offset voltage computing unit；007 indicates PI controller；008 indicates logic selecting unit,
009 indicates operating voltage computing unit；Each step of S001-S008 expression flow chart.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 2 is the control method flow chart that permanent magnet synchronous motor tape speed provided by the invention is put into again, inverter
Exchange the electrical end connection of end and permanent magnet synchronous motor, the DC terminal of inverter is connect with power grid bus, control method include with
Lower step:
S001 controls the output of inverter ac end by first control signal and mends when detecting that power grid bus has voltage
Repay the equal first voltage of the value of voltage；Offset voltage is anti-electric according to permanent magnet synchronous electric electrical-mechanical end electric current and permanent magnet synchronous motor
Gesture obtains.
S002 controls inverter ac end by second control signal and exports the second voltage equal with the value of operating voltage；
Operating voltage is obtained according to default stator winding current, presets stator winding current determine according to actual needs.
S003 controls inverter by closed loop command signal and realizes closed-loop control.
When busbar voltage has switched to electricity condition by electroless state, inverter control end is allowed first to receive the first control letter
Number, make inverter ac end output voltage offset voltage, inverter ac end and motor electrically hold between voltage difference be zero, disappear
Except the dash current that permanent magnet synchronous motor back-emf introduces, second control signal is then changed to by first control signal, is made inverse
Become device exchange end output voltage and operating voltage increased to by offset voltage, is gradually increasing permanent magnet synchronous electric electrical-mechanical end electric current,
It reduces rush of current and enters closed-loop control state after current transformer exchange end voltage increases to operating voltage.Changed by staged
Inverter ac end output voltage reduces current rise rate during permanent magnet synchronous motor tape speed is put into again, effectively
The dash current that permanent magnet synchronous motor tape speed puts into moment again is eliminated or reduced, whole process safety and steady is made；
Fig. 3 is the control method embodiment flow chart that permanent magnet synchronous motor tape speed provided by the invention is put into again；Control
Embodiment of the method processed includes the following steps:
S001 non-electric detection unit 003 detects busbar voltage and exports pulse blocking signal if busbar voltage is zero, no
Then, output has electric signal.
Judge whether non-electric detection unit 003 issues pulse blocking signal；If it is determined that not issuing pulse blocking signal,
Then output closed-loop control signal controls inverter output services voltage.
If it is determined that S002 has issued pulse blocking signal, then permanent magnet synchronous electric electrical-mechanical end electric current is detected, if permanent magnetism
Synchronous motor electrically holds no current, jumps to S003.If there is electric current at permanent magnet synchronous electric electrical-mechanical end, i.e., at permanent magnet synchronous motor
In generating state, S004 is jumped to.
The q axis component of S003 offset voltage is Uqc=E=ωeThe d axis component of ψ, offset voltage are zero；Wherein, ψ is permanent magnetism
Body magnetic linkage, ωeFor rotor angular rate, and jump to S005.
The d axis component of S004 offset voltage is Udc=id·R-ωLqiq, the q axis component of offset voltage is Uqc=iq·R+
ωLdid+ωeψ.Wherein, idFor generating state winding current d axis component, iqFor generating state winding current q axis component, R be around
Group resistance, ψ is permanent magnet flux linkage, ωeFor rotor angular rate, LdFor winding inductance d axis component, LqWinding inductance q axis component,
And jump to S005.
After non-electric detection unit 003 releases pulse blocking signal, the output of controller 001 first control signal makes inverse S005
Become device exchange end output and is worth equal first voltage, inverter ac end voltage and permanent magnet synchronous electric electrical-mechanical end with offset voltage
Voltage is equal, eliminates the dash current of investment moment；After eliminating dash current, output second control signal makes inverter ac end
Export the second voltage equal with operating voltage value.
Operating voltage is obtained according to the following formula
Wherein,For preset stator winding current d axis component,For the d axis component of operating voltage,To preset stator
The q axis component of winding current,For the q axis component of operating voltage.
Inverter output voltage is set to be transitioned into operating voltage value, i.e. basis from offset voltage value in such a way that slope increases
Following formula carries out transition.
Slope is hill slope, and U is operating voltage, U0For offset voltage, trampIt is slope action time, when slope acts on
Between determine according to actual needs.Increase to guarantee that dq shaft voltage is completed at the same time slope, it should control trampIt is equal.
S007 judges that inverter ac end voltage reaches operating voltage, if then jumping to S008, otherwise jumps to S006.
S008 makes controller cut the closed-loop control calculation under nominal situation to inverter control end input closed loop command signal
Method realizes that inverter ac end electric current is stablized.
Since practical non-Electric region is very short, and trailer system inertia is big, and following procedure is believed that revolving speed is constant.Lasting detection is female
Voltage on line turns off all switching devices of inverter if there is pulse blocking signal without electric situation, is issued immediately, into band
Speed throws calculating logic again.Motor three-phase current is detected, obtains d/q shaft current after rotating coordinate transformation, starts to calculate and eliminates impact
The voltage that electric current need to compensate.
The voltage on bus is continued to test, if repeating above-mentioned calculating step without electricity；If there is electricity, then by above-mentioned meter
The d/q axis offset voltage of calculation is inputted as inverter, eliminates dash current.Then by steady state voltage equation and default stator around
Group electric current calculates throws required d/q axis operating voltage after the completion again, and contravarianter voltage is increased from offset voltage by slope
Mode gradually change to the operating voltage of needs, after when inverter ac end, voltage reaches operating voltage, finally incision is normal
Operating condition is completed belt speed and is thrown again.That is the following formula of inverter ac end voltage:
Wherein,For the d axis component of real-time winding current,For the q axis component of real-time winding current,For real-time winding
The d axis component of voltage,For the q axis component of real-time winding voltage.
Fig. 4 is the schematic diagram for the control device that permanent magnet synchronous motor tape speed provided by the invention is put into again.The control
Device includes offset voltage computing unit 006, operating voltage computing unit 009, PI controller 007 and logic selecting unit
008.008 first input end of logic selecting unit is connect with 006 output end of offset voltage computing unit, logic selecting unit 008
Second input terminal is connect with 009 output end of operating voltage computing unit, 008 third input terminal of logic selecting unit and PI controller
The connection of 007 output end, 008 control terminal of logic selecting unit is for receiving bus voltage signal.
Offset voltage computing unit 006 is according to permanent magnet synchronous electric electrical-mechanical end current signal and permanent magnet synchronous motor back-emf
Export first control signal.When permanent magnet synchronous electric electrical-mechanical end signal indicates permanent magnet synchronous electric electrical-mechanical end no current, compensation
Voltage computing module 006, which exports first control signal, makes the q axis component U of inverter ac side output voltageqc=ωeψ, compensation
The d axis component of voltage is zero；Wherein, ψ is permanent magnet flux linkage, ωeFor rotor angular rate.When permanent magnet synchronous electric electrical-mechanical end is believed
When having electric current, offset voltage computing module 006, which exports first control signal, makes inverter for number instruction permanent magnet synchronous electric electrical-mechanical end
The d axis component for exchanging side output voltage is Udc=id·R-ωLqiq, make the q axis component U of inverter ac side output voltageqc
=iq·R+ωeLdid+ωeψ；Wherein, idFor generating state winding current d axis component, iqFor generating state winding current q axis point
Amount, R is winding resistance, and ψ is permanent magnet flux linkage, ωeFor rotor angular rate, LdFor winding inductance d axis component, LqWinding inductance q
Axis component.
Operating voltage computing unit 009 is according to default stator winding current I*Export second control signal；Default stator around
Group electric current I*Determine according to actual needs, operating voltage computing module 009, which exports second control signal, keeps inverter ac side defeated
The d axis component of voltage is outWherein,For preset stator winding current d axis component,For work
The d axis component of voltage makes the q axis component of inverter ac side output voltage It is default
The q axis component of stator winding current,For the q axis component of operating voltage.
PI controller 007 controls signal according to default stator winding current and winding real-time working electric current output closed-loop, with
Realize that winding current is stablized in default stator winding current.Logic selecting unit 008 determines closed loop control according to bus voltage signal
Signal, first control signal and second control signal processed are input to the sequence at inverter control end.
When bus voltage signal is pulse blocking signal to when having electric signal switching, inverter control termination receives signal
Sequence is first control signal, second control signal and closed loop command signal；First control signal and second control signal are realized
Inverter ac end voltage is switched from offset voltage to operating voltage, and when switching to operating voltage, inverter control end is received
Closed loop command signal makes inverter enter closed-loop control state, realizes the stabilization of inverter winding current；Offset voltage is offset forever
The back-emf of magnetic-synchro motor, voltage difference is zero between inverter ac end and permanent magnet synchronous electric electrical-mechanical end, reduces voltage difference
The dash current of introducing, then contravarianter voltage is made to increase to operating voltage, inverter ac end and permanent magnet synchronous electric electrical-mechanical end
Between voltage difference by zero increase to operating voltage, be gradually increasing permanent magnet synchronous electric electrical-mechanical end electric current, reduce rush of current.When
When bus voltage signal is has electric signal and when inverter output voltage is operating voltage, it is closed-loop control that inverter, which receives signal,
Signal, permanent magnet synchronous motor work normally.When bus voltage signal is no-voltage signal, it is pulse blocking that inverter, which receives signal,
Signal, permanent magnet synchronous motor enter without electric working condition.
The present invention proposes completely new control algolithm from system perspective, has carried out reality with an IPM synchronous motor
It tests, effectively eliminates the dash current generated when permanent magnet synchronous motor re-powers in practical applications, avoid dash current
Bring negative effect, is a kind of effective control method.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of control method that permanent magnet synchronous motor tape speed is put into again, which is characterized in that the exchange end of inverter with forever
The electrical end of magnetic-synchro motor connects, and the DC terminal of the inverter is connect with power grid bus, comprising the following steps:
S001 controls the inverter ac end by first control signal and exports when detecting that the power grid bus has voltage
The first voltage equal with the value of offset voltage；
S002 controls the inverter ac end by second control signal and exports the second voltage equal with the value of operating voltage；
S003 controls the inverter by closed loop command signal and realizes closed-loop control；
The offset voltage is obtained according to permanent magnet synchronous electric electrical-mechanical end electric current and permanent magnet synchronous motor back-emf, the work electricity
It is obtained at all according to default stator winding current；
When busbar voltage has switched to electricity condition by electroless state, allows inverter control end first to receive first control signal, make
Inverter ac end output voltage is offset voltage, inverter ac end and motor electrically hold between voltage difference be zero, elimination is forever
The dash current that magnetic-synchro winding back emf introduces, is then changed to second control signal by first control signal, makes inverter
It exchanges end output voltage and operating voltage is increased to by offset voltage, be gradually increasing permanent magnet synchronous electric electrical-mechanical end electric current, reduce
Rush of current enters closed-loop control state after current transformer exchange end voltage increases to operating voltage.
2. control method according to claim 1, which is characterized in that when permanent magnet synchronous electric electrical-mechanical end no current, root
According to formula Uqc=ωeψ obtains the q axis component of the offset voltage, and the d axis component of the offset voltage is zero；Wherein, ψ is forever
Magnet magnetic linkage, ωeFor rotor angular rate.
3. the method according to claim 1, wherein when permanent magnet synchronous electric electrical-mechanical end has in the step S001
When electric current, according to formula Udc=id·R-ωeLqiqObtain the d axis component of offset voltage, Uqc=iq·R+ωeLdid+ωeψ is obtained
Obtain the q axis component of offset voltage；Wherein, idFor winding current d axis component, iqFor winding current q axis component, R is winding resistance, ψ
For permanent magnet flux linkage, ωeFor rotor angular rate, LdFor winding inductance d axis component, LqWinding inductance q axis component.
4. the method according to claim 1, wherein second control signal hands over inverter in the step S002
It flows end output voltage and operating voltage is converted into slope growth pattern.
5. a kind of control device based on control method described in claim 1, which is characterized in that the control device includes:
Offset voltage computing unit, for defeated according to permanent magnet synchronous electric electrical-mechanical end current signal and permanent magnet synchronous motor back-emf
First control signal out；
Operating voltage computing unit, for exporting second control signal according to default stator winding current；
PI controller, for controlling signal according to default stator winding current and winding real-time working electric current output closed-loop；And
Logic selecting unit, first input end are connect with offset voltage computing unit output end, the second input terminal and work
The connection of voltage computation unit output end, third input terminal are connect with PI controller output end, and control terminal is for receiving bus
Voltage signal, for determining that closed loop command signal, first control signal and second control signal are defeated according to bus voltage signal
Enter to the sequence at inverter control end；
When bus voltage signal is pulse blocking signal to after having electric signal to switch, inverter control terminates the sequence for receiving signal
For first control signal, second control signal and closed loop command signal；When busbar voltage has switched to electricity condition by electroless state
When, it allows inverter control end first to receive first control signal, makes inverter ac end output voltage offset voltage, inverter is handed over
Stream end and motor electrically hold between voltage difference be zero, the dash current of permanent magnet synchronous motor back-emf introducing is eliminated, then by the
One control signal intensity makes inverter ac end output voltage increase to operating voltage by offset voltage to second control signal,
It is gradually increasing permanent magnet synchronous electric electrical-mechanical end electric current, reduces rush of current, when current transformer exchange end voltage increases to work electricity
Enter closed-loop control state after pressure.
6. control device according to claim 5, which is characterized in that when permanent magnet synchronous electric electrical-mechanical end no current, mend
Repaying voltage computing module output first control signal makes inverter ac side output voltage Uqc=ωeψ；Wherein, ψ is permanent magnet
Magnetic linkage, ωeFor rotor angular rate.
7. control device according to claim 5 or 6, which is characterized in that when there is electric current at permanent magnet synchronous electric electrical-mechanical end,
Offset voltage computing module output first control signal makes the d axis component U of inverter ac side output voltagedc=id·R-
ωeLqiq, the q axis component of output voltage is Uqc=iq·R+ωeLdid+ωeψ；Wherein, idFor generating state winding current d axis point
Amount, iqFor generating state winding current q axis component, R is winding resistance, and ψ is permanent magnet flux linkage, ωeFor rotor angular rate, Ld
For winding inductance d axis component, LqWinding inductance q axis component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396012.4A CN107196579B (en) | 2017-05-31 | 2017-05-31 | A kind of control method that permanent magnet synchronous motor tape speed is put into again and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396012.4A CN107196579B (en) | 2017-05-31 | 2017-05-31 | A kind of control method that permanent magnet synchronous motor tape speed is put into again and control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107196579A CN107196579A (en) | 2017-09-22 |
| CN107196579B true CN107196579B (en) | 2019-08-30 |
Family
ID=59876092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396012.4A Active CN107196579B (en) | 2017-05-31 | 2017-05-31 | A kind of control method that permanent magnet synchronous motor tape speed is put into again and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196579B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921717B (en) * | 2017-12-12 | 2021-01-26 | 日立楼宇技术（广州）有限公司 | Method and system for adjusting variable working frequency switching compensation angle of escalator |
| CN108809202A (en) * | 2018-06-07 | 2018-11-13 | 沈阳工业大学 | It is a kind of that there is belt speed to throw the alternating current generator of function again for electric installation |
| CN111404434B (en) * | 2020-03-24 | 2022-01-07 | 华中科技大学 | Variable flux permanent magnet motor belt speed re-throwing control method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000341989A (en) * | 1999-05-28 | 2000-12-08 | Hitachi Ltd | Method and equipment for controlling induction motor at instantanoues power interruption |
| CN101693445A (en) * | 2009-10-21 | 2010-04-14 | 西南交通大学 | Overpotential phase-splitting method of alternating current traction transmission system of speedless sensor |
| CN102684566A (en) * | 2012-05-08 | 2012-09-19 | 中国石油大学(华东) | Alternative-current (AC) motor reclosing device for reducing impulse current and control method thereof |
| CN103312241A (en) * | 2013-06-08 | 2013-09-18 | 西北工业大学 | Optimization and restart control method for use in outage of large-inertial-load permanent magnet synchronous motor |
| CN103516281A (en) * | 2013-10-25 | 2014-01-15 | 南车株洲电力机车研究所有限公司 | Method, device and system for controlling PMSM (Permanent Magnet Synchronous Motor) to put into operation again at belt speed |
-
2017
- 2017-05-31 CN CN201710396012.4A patent/CN107196579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000341989A (en) * | 1999-05-28 | 2000-12-08 | Hitachi Ltd | Method and equipment for controlling induction motor at instantanoues power interruption |
| CN101693445A (en) * | 2009-10-21 | 2010-04-14 | 西南交通大学 | Overpotential phase-splitting method of alternating current traction transmission system of speedless sensor |
| CN102684566A (en) * | 2012-05-08 | 2012-09-19 | 中国石油大学(华东) | Alternative-current (AC) motor reclosing device for reducing impulse current and control method thereof |
| CN103312241A (en) * | 2013-06-08 | 2013-09-18 | 西北工业大学 | Optimization and restart control method for use in outage of large-inertial-load permanent magnet synchronous motor |
| CN103516281A (en) * | 2013-10-25 | 2014-01-15 | 南车株洲电力机车研究所有限公司 | Method, device and system for controlling PMSM (Permanent Magnet Synchronous Motor) to put into operation again at belt speed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107196579A (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3849073A1 (en) | Catch spin method for permanent magnet synchronous motor with sensorless field oriented control | |
| CN107196579B (en) | A kind of control method that permanent magnet synchronous motor tape speed is put into again and control device | |
| EP3006257A1 (en) | Control method for charger apparatus for an electric vehicle | |
| CN106257821B (en) | A kind of variable speed permanent magnetism alternator system and its pressure stabilizing control method | |
| CN107834924B (en) | A kind of field weakening control method and device | |
| CN109768748A (en) | Vector control system, control method, device, air conditioner and storage medium | |
| WO2013105187A1 (en) | Inverter control device | |
| Zhou et al. | Sensorless direct torque control for electrically excited synchronous motor based on injecting high-frequency ripple current into rotor winding | |
| CN104767455B (en) | A kind of hybrid exciting synchronous motor position-sensor-free direct torque control method | |
| CN110661461B (en) | Compressor permanent magnet synchronous motor control method and device and air conditioner | |
| CN102255586A (en) | Constant power wide speed regulation control method for permanent magnet synchronous motor | |
| WO2013105173A1 (en) | Inverter control device | |
| CN107482980A (en) | A kind of three phase alternating current motor drive system of suppression common mode noise | |
| CN109067285A (en) | The control method of permanent magnet synchronous motor position-sensor-free based on zero vector current differential | |
| CN103427730A (en) | Permanent magnet brushless direct current motor torque ripple suppression system and method | |
| CN103762923A (en) | Control method for maximum flux-weakening operation torque of asynchronous motor | |
| CN110266221A (en) | A kind of brshless DC motor regeneration braking control system for electric vehicle | |
| Aihsan et al. | Torque ripple minimization in direct torque control at low-speed operation using alternate switching technique | |
| CN108418485B (en) | A kind of hidden pole type mixed excitation electric machine invariable power loss model forecast Control Algorithm | |
| Krajangpan et al. | Control strategies for maximum active power and minimum copper loss of doubly fed induction generator in wind turbine system | |
| JP2009095099A (en) | Pulse amplitude modulation controller for permanent-magnet synchronous motors | |
| CN106452235B (en) | Brushless dual-feed motor stand alone generating system excitation control method under asymmetric load | |
| CN105703688B (en) | Prevent the control method that inverter is in a saturated state | |
| CN109088428B (en) | High voltage ride through device, method and current transformation system comprising device | |
| Kiran et al. | Sensorless speed estimation and control of brushless doubly-fed reluctance machine drive using model reference adaptive system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |