CN113452296A - Parameter identification system and method for three-phase inverter permanent magnet synchronous motor with surface mounting - Google Patents
Parameter identification system and method for three-phase inverter permanent magnet synchronous motor with surface mounting Download PDFInfo
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- CN113452296A CN113452296A CN202110506447.6A CN202110506447A CN113452296A CN 113452296 A CN113452296 A CN 113452296A CN 202110506447 A CN202110506447 A CN 202110506447A CN 113452296 A CN113452296 A CN 113452296A
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- 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
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
- H02P21/18—Estimation of position or speed
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- 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
- H02P25/026—Synchronous motors controlled by supply frequency thereby detecting the rotor position
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- 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
- H02P27/08—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 with pulse width modulation
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/50—Reduction of harmonics
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- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
- H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention provides a parameter identification system and a method for a three-phase inverter surface-mounted permanent magnet synchronous motor, wherein the system comprises the following steps: the device comprises a direct-current power supply, a three-phase IGBT inverter bridge, a surface-mounted permanent magnet synchronous motor, a motor load and an LC filter circuit; the direct-current power supply is electrically connected with the input end of the three-phase IGBT inverter bridge; the output end of the three-phase IGBT inverter bridge is electrically connected with the input end of the LC filter circuit; the output end of the LC filter circuit is electrically connected with the surface-mounted permanent magnet synchronous motor(ii) a The surface-mounted permanent magnet synchronous motor is connected with a load through a coupling; the three-phase IGBT inverter bridge is controlled by a chip DSP. The method comprises the following steps: sequential identification of permanent magnet flux linkage psi of surface-mounted permanent magnet synchronous motorfStator resistor RsAnd stator inductance Ls. The invention provides a parameter identification method under the condition that a three-phase inverter is connected with a surface-mounted permanent magnet synchronous motor with an LC filter.
Description
Technical Field
The invention relates to the field of motor control, in particular to a parameter identification system and method for a three-phase inverter surface-mounted permanent magnet synchronous motor.
Background
In order to control the motor, parameters of the permanent magnet synchronous motor generally need to be identified, in the traditional method, a method for identifying the parameters in a frequency converter without an LC filter is more, however, in a three-phase inverter system with the LC filter and the permanent magnet synchronous motor, a plurality of methods for identifying the parameters of the frequency converter are not suitable for the system with the LC filter.
Therefore, how to complete the parameter identification of the surface-mounted permanent magnet synchronous motor under the condition that the three-phase inverter is provided with the LC filter is very important.
Disclosure of Invention
In view of the above technical drawbacks, the present invention provides a method for identifying parameters of a three-phase inverter with an LC filter in contact with a surface-mounted permanent magnet synchronous motor. After the parameter identification of the motor is completed, the motor can be used as a rotating speed and position estimation algorithm, a torque estimation algorithm and a closed-loop control algorithm.
The invention provides a parameter identification system and a method for a three-phase inverter surface-mounted permanent magnet synchronous motor, wherein the system comprises the following steps: the device comprises a direct-current power supply, a three-phase IGBT inverter bridge, a surface-mounted permanent magnet synchronous motor, a motor load and an LC filter circuit; the LC filter circuit comprises a filter inductor L and a filter capacitor C;
the direct-current power supply is electrically connected with the input end of the three-phase IGBT inverter bridge; the output end of the three-phase IGBT inverter bridge is electrically connected with the input end of the LC filter circuit; the output end of the LC filter circuit is electrically connected with the surface-mounted permanent magnet synchronous motor; the surface-mounted permanent magnet synchronous motor is connected with a load through a coupling;
and the three-phase IGBT inverter bridge is controlled by a chip DSP.
A parameter identification method for a three-phase inverter surface-mounted permanent magnet synchronous motor specifically comprises the following steps:
sequential identification of permanent magnet flux linkage psi of surface-mounted permanent magnet synchronous motorfStator resistor RsAnd stator inductance Ls。
Further, the permanent magnet flux linkage psi of the surface-mounted permanent magnet synchronous motor is identifiedfThe specific process is as follows:
s101: controlling the three-phase IGBT inverter bridge to output according to the VF curve by using the chip DSP;
s102: when the rotating speed of the permanent magnet synchronous motor exceeds 50% of the rated rotating speed of the motor, the three-phase IGBT inverter bridge is stopped, and the current amplitude of the three-phase IGBT inverter bridge is detected;
s103: when the current amplitude of the three-phase IGBT inverter bridge is 0, the three-phase voltage v of the three-phase IGBT inverter bridge is subjected tooa，vob，vocCarrying out detection;
s104: three-phase voltage voa，vob，vocObtaining u under an alpha beta coordinate system of a two-phase static coordinate system through CLARK transformationoα，uoβ；
S105: will uoα，uoβObtaining the magnetic pole position theta of the permanent magnet synchronous electronic rotor through arc tangent transformatione；
S106: according to rotor magnetic pole position thetaeCalculating to obtain the angular frequency w of the rotore；
S107: according to rotor angular frequency weCalculating to obtain the magnetic linkage psi of the permanent magnetf。
Further, identify surface-mounted permanent magnet synchronous motor stator resistance RsThe specific process comprises the following steps:
s201: controlling one of three bridge arms of the three-phase IGBT inverter bridge to be out of work by using the chip DSP, and simultaneously enabling the other two bridge arms to work in a BUCK state;
s202: controlling direct current flowing into the permanent magnet synchronous motor by using the chip DSP, detecting the terminal voltage of the permanent magnet synchronous motor, and calculating the sum of two-phase resistors in the three-phase IGBT inverter bridge through ohm's law;
s203: switching the inactive bridge arm, repeating the steps S101-S102, thereby calculating the stator resistance Rs。
Stator inductance L of identification surface-mounted permanent magnet synchronous motorsThe specific process comprises the following steps:
s301: the chip DSP adopts current closed loop constant current control to ensure that the rotating speed of the permanent magnet synchronous motor reaches 50 percent of the rated rotating speed;
s302: the stator flux linkage equation of the permanent magnet synchronous motor in the alpha beta coordinate system is brought into the rotor flux linkage equation of the permanent magnet synchronous motor in the alpha beta coordinate system, and the position of a rotor magnetic pole is eliminated to obtain the inductance L of the statorsA quadratic equation of unity of (c);
s303: solving a quadratic equation to obtain the stator inductance LsTwo solutions of (a);
s304: respectively bringing the two solutions into a calculation formula of the magnetic pole positions of the rotor to obtain the magnetic pole positions of the two rotors;
s305: and reversely solving by using the magnetic pole position of the rotor to obtain two rotor flux linkage equations, wherein one corresponding stator inductance in the two rotor flux linkage equations is the final real stator inductance.
The invention has the beneficial effects that: the method can be used for rotating speed and position estimation, torque estimation or closed-loop control after the motor parameter identification is finished.
Drawings
FIG. 1 is a system configuration diagram of a three-phase inverter permanent magnet synchronous motor with surface mount;
FIG. 2 is a control block diagram of the motor stator resistance identification of the present invention;
FIG. 3 is a graph of flux linkage identification for a permanent magnet rotor of an electric machine;
FIG. 4 is a graph of electronic phase resistance identification;
fig. 5 is a graph of electronic stator inductance identification.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, a parameter identification system for a three-phase inverter with a surface-mounted permanent magnet synchronous motor includes the following:
the device comprises a direct-current power supply, a three-phase IGBT inverter bridge, a surface-mounted permanent magnet synchronous motor, a motor load and an LC filter circuit; the LC filter circuit comprises a filter inductor L and a filter capacitor C;
the direct-current power supply is electrically connected with the input end of the three-phase IGBT inverter bridge; the output end of the three-phase IGBT inverter bridge is electrically connected with the input end of the LC filter circuit; the output end of the LC filter circuit is electrically connected with the surface-mounted permanent magnet synchronous motor; the surface-mounted permanent magnet synchronous motor is connected with a load through a coupling;
and the three-phase IGBT inverter bridge is controlled by a chip DSP.
A parameter identification method for a three-phase inverter surface-mounted permanent magnet synchronous motor specifically comprises the following steps:
sequential identification of permanent magnet flux linkage psi of surface-mounted permanent magnet synchronous motorfStator resistor RsAnd stator inductance Ls。
Permanent magnet flux linkage psi of identification surface-mounted permanent magnet synchronous motorfThe specific process is as follows:
s101: controlling the three-phase IGBT inverter bridge to output according to the VF curve by using the chip DSP; at the moment, the permanent magnet synchronous motor can rotate according to the output voltage frequency of the three-phase inverter;
s102: when the rotating speed of the permanent magnet synchronous motor exceeds 50% of the rated rotating speed of the motor, the three-phase IGBT inverter bridge is stopped, and the current amplitude of the three-phase IGBT inverter bridge is detected;
s103: when the current amplitude of the three-phase IGBT inverter bridge is 0, the three-phase voltage v of the three-phase IGBT inverter bridge is subjected tooa，vob，vocCarrying out detection; the voltage is the back electromotive force of the permanent magnet synchronous motor;
s104: three-phase voltage voa，vob，vocObtaining u under an alpha beta coordinate system of a two-phase static coordinate system through CLARK transformationoα，uoβ(ii) a The voltage is the back electromotive force of the permanent magnet synchronous motor under an alpha beta coordinate system; in combination with the mathematical model of a permanent magnet synchronous machine, it can be expressed as:
the mathematical model of the surface-mounted permanent magnet synchronous motor under the alpha beta coordinate system of the two-phase static coordinate system is as follows:
in the formula uα，uβIs the voltage component i of the permanent magnet synchronous motor under an alpha beta coordinate system of a two-phase static coordinate systemα，iβIs the current component, w, of the permanent magnet synchronous motor in an alpha beta coordinate system of a two-phase static coordinate systemeIs the angular frequency theta of the rotor of the permanent magnet synchronous motoreIs the position of the magnetic pole of the rotor of the permanent magnet synchronous motor;
s105: will uoα，uoβObtaining the magnetic pole position theta of the permanent magnet synchronous electronic rotor through arc tangent transformatione；
θe＝atan2(-uoα,uoβ)；
S106: according to rotor magnetic pole position thetaeCalculating to obtain the angular frequency w of the rotore；
S107: according to rotor angular frequency weCalculating to obtain the magnetic linkage psi of the permanent magnetf。
Identification surface-mounted permanent magnet synchronous motor stator resistor RsThe specific process comprises the following steps:
s201: controlling one of three bridge arms of the three-phase IGBT inverter bridge to be out of work by using the chip DSP, and simultaneously enabling the other two bridge arms to work in a BUCK state;
s202: controlling direct current flowing into the permanent magnet synchronous motor by using the chip DSP, detecting the terminal voltage of the permanent magnet synchronous motor, and calculating the sum of two-phase resistors in the three-phase IGBT inverter bridge through ohm's law;
s203: switching the inactive bridge arm, repeating the steps S101-S102, thereby calculating the stator resistance Rs。
Please refer to fig. 2 for a specific implementation process.
In fig. 2, all the C-phase bridge arm IGBTs are blocked, the lower tube IGBT of the A-phase bridge arm is blocked, the upper tube IGBT of the B-phase bridge arm is blocked, the upper tube IGBT of the A-phase bridge arm and the lower tube IGBT of the B-phase bridge arm are simultaneously turned on or off, the duty ratio of the simultaneous turning on of the upper tube IGBT of the A-phase bridge arm and the lower tube IGBT of the B-phase bridge arm is controlled according to the closed loop of the A-phase output current, the direct-current voltage output is realized, and the phase resistance sum of the A-phase and the B-phase of the motor can be calculated according to the ohm law by detecting the voltage of the A-phase output line and the B-phase output line and the current flowing into the A-phase of the motor. In the same way, the phase resistance sum of the A phase and the C phase can be obtained by completely blocking the B phase bridge arm IGBT and operating the A phase and the C phase according to the method, and the phase resistance sum of the B phase and the C phase can be obtained by completely blocking the A phase bridge arm IGBT and operating the B phase and the C phase according to the method. The relationship is as follows:
in the formula, Rsa，Rsb，RscRespectively an A-phase resistor, a B-phase resistor, a C-phase resistor and a v-phase resistor of the permanent magnet synchronous motorabIs in a C-phase bridge arm fully-locked state, and outputs DC voltage of AB two-phase workingaThe current of the motor A phase at the moment; v. ofbcIs in a fully-locked state of an A-phase bridge arm, and DC voltage output of BC two-phase work is output, ibIs the motor B phase at this timeCurrent flow; v. ofcaIs in a B-phase bridge arm fully-locked state, and outputs AC two-phase working direct-current voltage icThe current of the motor C phase at this time.
Because the current output by controlling the direct current voltage three times is constant and the current feedback follows the given current, only the given value I of the direct current is requiredsetAnd substituting to calculate.
Calculating to obtain the resistance value of each phase of the motor:
permanent magnet synchronous motor stator resistor RsCan be expressed as:
stator inductance L of identification surface-mounted permanent magnet synchronous motorsThe specific process of (at the moment, the permanent magnet flux linkage psi of the permanent magnet synchronous motor isfAnd stator resistance RsAlready recognized is complete):
s301: the chip DSP adopts current closed loop constant current control to ensure that the rotating speed of the permanent magnet synchronous motor reaches 50 percent of the rated rotating speed;
s302: the stator flux linkage equation of the permanent magnet synchronous motor in the alpha beta coordinate system is brought into the rotor flux linkage equation of the permanent magnet synchronous motor in the alpha beta coordinate system, and the position of a rotor magnetic pole is eliminated to obtain the inductance L of the statorsA quadratic equation of unity of (c);
the stator flux linkage equation of the permanent magnet synchronous motor in an alpha beta coordinate system is as follows:
substituting the magnetic flux into a rotor flux linkage equation of the surface-mounted permanent magnet synchronous motor in an alpha and beta coordinate system:
eliminating rotor pole position thetaeThe equation relationship can be obtained:
arranged to obtain a compound of formula IsA one-dimensional quadratic equation of (a):
s303: solving a quadratic equation to obtain the stator inductance LsTwo solutions of (a);
solving to obtain:
is provided with
b1＝2ψsαisα+2ψsβisβ，
Then
According to the physical law, inductance LsMust have a solution, therefore
So LsThe solution of (a) is:
it can be seen that the stator inductance solves the equation to obtain two values, i.e.
s304: respectively bringing the two solutions into a calculation formula of the magnetic pole positions of the rotor to obtain the magnetic pole positions of the two rotors;
s305: and reversely solving by using the magnetic pole position of the rotor to obtain two rotor flux linkage equations, wherein one corresponding stator inductance in the two rotor flux linkage equations is the final real stator inductance.
The known permanent magnet synchronous motor rotor flux linkage equation is
Determining rotor magnetic pole position thetaeCan obtain
θe＝atan2(ψsβ-Lsiβ,ψsα-Lsiα)
θe∈[0,2π)
Mixing L withs1And Ls2Respectively substituting the magnetic poles into the magnetic poles to obtain the corresponding magnetic pole position of the rotor, and setting the magnetic pole position as thetae1And thetae2Then substituting into the flux linkage equation to see which equation is satisfied if the flux linkage equation
If true, then Ls1Is the true stator inductance; if it is not
If true, then Ls2Is the true stator inductance. And finishing the identification of the stator inductance of the permanent magnet synchronous motor.
The present invention provides an embodiment as follows:
the motor parameters of the permanent magnet synchronous motor are set as follows: rated power of 3kW, rated voltage of 167V, rated current of 6A, rated frequency of 100Hz, rated rotation speed of 1500rpm, rated torque of 19Nm, motor pole pair number of 4, motor stator resistance of 1.5 omega, D-axis inductance of 7.5mH, Q-axis inductance of 7.5mH, and rotational inertia of 0.01kg.m2Friction coefficient 0.0001N.m.s, permanent magnet flux linkage 0.36Wb, surface-mounted motor.
Please refer to fig. 3-5; FIG. 3 is a graph of flux linkage identification for a permanent magnet rotor of an electric machine; FIG. 4 is a graph of motor stator resistance identification; fig. 5 is a graph of motor stator inductance identification. As can be seen from the figure, the invention completes the identification of the motor parameters.
The invention has the beneficial effects that: the method can be used for rotating speed and position estimation, torque estimation or closed-loop control after the motor parameter identification is finished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a three-phase inverter takes table to paste formula PMSM's parameter identification system, includes DC power supply, three-phase IGBT invertion bridge, table pastes formula PMSM and motor load, its characterized in that: further comprising:
an LC filter circuit; the LC filter circuit comprises a filter inductor L and a filter capacitor C;
the direct-current power supply is electrically connected with the input end of the three-phase IGBT inverter bridge; the output end of the three-phase IGBT inverter bridge is electrically connected with the input end of the LC filter circuit; the output end of the LC filter circuit is electrically connected with the surface-mounted permanent magnet synchronous motor; the surface-mounted permanent magnet synchronous motor is connected with a load through a coupling;
and the three-phase IGBT inverter bridge is controlled by a chip DSP.
2. A parameter identification method of a three-phase inverter surface-mounted permanent magnet synchronous motor is applied to the parameter identification system of the three-phase inverter surface-mounted permanent magnet synchronous motor according to claim 1, and is characterized in that: the method specifically comprises the following steps: sequential identification of permanent magnet flux linkage psi of surface-mounted permanent magnet synchronous motorfStator resistor RsAnd stator inductance Ls。
3. The method for identifying the parameters of the three-phase inverter surface-mounted permanent magnet synchronous motor according to claim 2, wherein the method comprises the following steps: permanent magnet flux linkage psi of identification surface-mounted permanent magnet synchronous motorfThe specific process is as follows:
s101: controlling the three-phase IGBT inverter bridge to output according to the VF curve by using the chip DSP;
s102: when the rotating speed of the permanent magnet synchronous motor exceeds 50% of the rated rotating speed of the motor, the three-phase IGBT inverter bridge is stopped, and the current amplitude of the three-phase IGBT inverter bridge is detected;
s103: when the current amplitude of the three-phase IGBT inverter bridge is 0, the three-phase voltage v of the three-phase IGBT inverter bridge is subjected tooa，vob，vocCarrying out detection;
s104: three-phase voltage voa，vob，vocObtaining u under an alpha beta coordinate system of a two-phase static coordinate system through CLARK transformationoα，uoβ；
S105: will uoα，uoβObtaining the magnetic pole position theta of the permanent magnet synchronous electronic rotor through arc tangent transformatione；
S106: according to rotor magnetic pole position thetaeCalculating to obtain the angular frequency w of the rotore；
S107: according to rotor angular frequency weCalculating to obtain the magnetic linkage psi of the permanent magnetf。
4. The method for identifying the parameters of the three-phase inverter surface-mounted permanent magnet synchronous motor according to claim 2, wherein the method comprises the following steps: identification surface-mounted permanent magnet synchronous motor stator resistor RsThe specific process comprises the following steps:
s201: controlling one of three bridge arms of the three-phase IGBT inverter bridge to be out of work by using the chip DSP, and simultaneously enabling the other two bridge arms to work in a BUCK state;
s202: controlling direct current flowing into the permanent magnet synchronous motor by using the chip DSP, detecting the terminal voltage of the permanent magnet synchronous motor, and calculating the sum of two-phase resistors in the three-phase IGBT inverter bridge through ohm's law;
s203: switching the inactive bridge arm, repeating the steps S101-S102, thereby calculating the stator resistance Rs。
5. The method for identifying the parameters of the three-phase inverter surface-mounted permanent magnet synchronous motor according to claim 3, wherein the method comprises the following steps: stator inductance L of identification surface-mounted permanent magnet synchronous motorsThe specific process comprises the following steps:
s301: the chip DSP adopts current closed loop constant current control to ensure that the rotating speed of the permanent magnet synchronous motor reaches 50 percent of the rated rotating speed;
s302: the stator flux linkage equation of the permanent magnet synchronous motor in the alpha beta coordinate system is brought into the rotor flux linkage equation of the permanent magnet synchronous motor in the alpha beta coordinate system, and the position of a rotor magnetic pole is eliminated to obtain the inductance L of the statorsA quadratic equation of unity of (c);
s303: solving a quadratic equation to obtain the stator inductance LsTwo solutions of (a);
s304: respectively bringing the two solutions into a calculation formula of the magnetic pole positions of the rotor to obtain the magnetic pole positions of the two rotors;
s305: and reversely solving by using the magnetic pole position of the rotor to obtain two rotor flux linkage equations, wherein one corresponding stator inductance in the two rotor flux linkage equations is the final real stator inductance.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08214552A (en) * | 1995-02-06 | 1996-08-20 | Toyo Electric Mfg Co Ltd | Controller for current type converter capable of obtaining dc from polyphase ac |
| WO2008108147A1 (en) * | 2007-03-07 | 2008-09-12 | Kabushiki Kaisha Yaskawa Denki | Power conversion device |
| CN106026830A (en) * | 2016-05-18 | 2016-10-12 | 南京航空航天大学 | Drive system for stator coreless permanent magnet synchronous motor and control method of drive system |
| CN106849808A (en) * | 2017-03-31 | 2017-06-13 | 哈尔滨工业大学 | New method for sensorless control technique of PMSM and method with LC wave filters |
| CN107037359A (en) * | 2017-03-21 | 2017-08-11 | 上海新时达电气股份有限公司 | A kind of method of the use cascaded high-voltage frequency converter off-line identification parameter of electric machine |
| CN109167545A (en) * | 2018-09-14 | 2019-01-08 | 新疆大学 | Magneto alternator magnetic linkage on-line identification method and system |
| CN112595974A (en) * | 2020-11-23 | 2021-04-02 | 江苏科技大学 | Method for identifying parameters of permanent magnet synchronous motor |
| CN112701977A (en) * | 2021-01-27 | 2021-04-23 | 上海应用技术大学 | Permanent magnet synchronous motor control method based on sliding-mode observer |
-
2021
- 2021-05-10 CN CN202110506447.6A patent/CN113452296B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08214552A (en) * | 1995-02-06 | 1996-08-20 | Toyo Electric Mfg Co Ltd | Controller for current type converter capable of obtaining dc from polyphase ac |
| WO2008108147A1 (en) * | 2007-03-07 | 2008-09-12 | Kabushiki Kaisha Yaskawa Denki | Power conversion device |
| CN106026830A (en) * | 2016-05-18 | 2016-10-12 | 南京航空航天大学 | Drive system for stator coreless permanent magnet synchronous motor and control method of drive system |
| CN107037359A (en) * | 2017-03-21 | 2017-08-11 | 上海新时达电气股份有限公司 | A kind of method of the use cascaded high-voltage frequency converter off-line identification parameter of electric machine |
| CN106849808A (en) * | 2017-03-31 | 2017-06-13 | 哈尔滨工业大学 | New method for sensorless control technique of PMSM and method with LC wave filters |
| CN109167545A (en) * | 2018-09-14 | 2019-01-08 | 新疆大学 | Magneto alternator magnetic linkage on-line identification method and system |
| CN112595974A (en) * | 2020-11-23 | 2021-04-02 | 江苏科技大学 | Method for identifying parameters of permanent magnet synchronous motor |
| CN112701977A (en) * | 2021-01-27 | 2021-04-23 | 上海应用技术大学 | Permanent magnet synchronous motor control method based on sliding-mode observer |
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