CN106443448A - Testing method of all region static flux linkage of switch reluctance motor - Google Patents
Testing method of all region static flux linkage of switch reluctance motor Download PDFInfo
- Publication number
- CN106443448A CN106443448A CN201610877759.7A CN201610877759A CN106443448A CN 106443448 A CN106443448 A CN 106443448A CN 201610877759 A CN201610877759 A CN 201610877759A CN 106443448 A CN106443448 A CN 106443448A
- Authority
- CN
- China
- Prior art keywords
- switched reluctance
- phase winding
- master controller
- reluctance machines
- voltage
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a testing method of the all region static flux linkage of a switch reluctance motor, and belongs to the field of motor testing. The testing method aims at solving the problems the error is large, the measurement is complex and the consumed measurement time is extremely long when the traditional method is adopted to measure the flux linkage of the switch reluctance motor. According to the testing method, the switch reluctance motor is enabled to automatic rotate; the position of a rotor is fixed through a brake; step voltage is loaded to a phase winding of the switch reluctance motor; a DSP main controller gathers the current value and eh voltage value of the phase winding through a current sensor and a voltage sensor; the acquisition cycle is controlled through a DSP main controller program; flux linkages corresponding to the current values and the voltages values of different phase windings are computed when the position of the rotor is at a certain fixed angle; the switch reluctance motor is controlled to rotate and the brake is enabled to fix a rotor shaft according to a stepping angle; the relation of the current and the voltage of the flux linkage is measured according to the method when the rotor is in different positions; finally all region static flux linkage information is obtained. The testing method is used for measuring the all region static flux linkage of the switch reluctance motor.
Description
Technical field
The present invention is to be related to a kind of switched reluctance machines universe static state magnetic linkage method of testing, belongs to electromechanical testing field.
Background technology
Structure is simple, easy to control, unfailing performance is high, low cost and other advantages due to having for switched reluctance machines, has obtained
Attention and accreditation to all trades and professions.And switched reluctance machines are a kind of motors of high magnetic saturation work, its parameter is non-linear.
The magnetic linkage parameter of particularly motor, the magnetic linkage of motor is not only relevant with motor rotor position, simultaneously with the voltage of machine winding and
Current related.Conventionally employed mechanical dividing instrument measurement motor magnetic linkage, every time measurement is required for artificially adjusting protractor and by axle
It is fixed on position to be measured, so that measurement is wasted time and energy, and have ignored the impact that anthropic factor causes to motor measurement, to motor
Can evaluate and cause significant errors, cause greatly to control error to motor torque control etc. simultaneously.For this switched reluctance machines
The measurement of static magnetic linkage, to motor body design and optimization, the overall performance of motor speed regulation system seems most important.
Content of the invention
Present invention aim to address adopting traditional mechanical dividing instrument measurement switched reluctance motor flux linkage loaded down with trivial details and error
A kind of big problem, there is provided switched reluctance machines universe static state magnetic linkage method of testing.
The device that the inventive method uses includes switched reluctance machines, DC source, power inverter, absolute position sensing
Device, brake, voltage sensor, current sensor, DSP master controller, constant current source, PC, switch and electric capacity, switching magnetic-resistance electricity
Every phase winding of machine is corresponding with power inverter to be mutually connected, and the positive pole of DC source is connected with switch, the other end of switch
It is connected with the positive pole of electric capacity and the anode of power inverter inlet highway, the negative pole of DC source is become with the negative pole of electric capacity and power
The negative terminal of parallel operation inlet highway is connected.
Switched reluctance machines are coaxially connected with absolute position transducer and brake.
DSP main controller controls power inverter is mutually powered accordingly to the phase winding of switched reluctance machines.
Voltage sensor gathers the electric current of voltage and current sensor acquisition phase winding of phase winding and exports to DSP master control
Device processed.
DSP main controller controls constant current source makes brake produce braking torque.
DSP master controller is by the data transfer after analytic operation to PC Computer Storage and process.
A kind of switched reluctance machines universe static state magnetic linkage method of testing comprises the following steps：
Step one, set n as the variable of the rotor measurement position of switched reluctance machines, and be initialized as n=1, θ1For testing
Beginning position.
Step 2, closure switch are powered to electric capacity and power inverter.
Step 3, all phases IGBT of DSP main controller controls power inverter make switched reluctance machines slowly rotate.
Step 4, DSP master controller read the position signalling of absolute position transducer, when switched reluctance machines drive coaxially
Absolute position transducer when rotating to measurement position θ n=θ n+ θ a, 360 ° of 0≤θ n ＜, θ a are the stepping angle of measurement, disconnect
DSP master controller is applied to the drive signal of power inverter, makes switched reluctance machines out of service.
The constant electric current of step 5, the output of DSP main controller controls constant current source produces braking moment by brake and makes to turn
Sub- axle is fixed on position θ n.
Step 6, disconnection switch, now capacitance voltage is U, and DSP master controller driving power changer one phase IGBT makes
DC voltage U is added to the two ends of the tested phase of phase winding.
Step 7, DSP master controller pass through voltage sensor and current sensor gathers the voltage transient of tested phase winding
Value u (k) and current instantaneous value i (k), the sampling period is Δ T, the driving after the completion of data acquisition, on closing function to IGBT.
Step 8, DSP master controller obtain the magnetic linkage of phase winding in each sampling period Δ T by following formula
, and then obtain in rotor measurement position θnWhen, different phase windings are in each transient voltage value and the corresponding magnetic linkage of transient electrical flow valuve：
,
Wherein, N is measurement point number,
R is the equivalent resistance of phase winding,
For magnetic linkage initial value.
Step 9, all data are uploaded to PC host computer and carry out data storage and post processing, close constant current source effect
Electric current on the brake, discharges armature spindle.
Step 10, judge whether to meet θ n≤360 °.
Judged result is yes, n=n+1, execution step two, and judged result is no, completes this test and mutually obtains switching magnetic-resistance
Motor universe static state magnetic linkage, carries out next and mutually tests, and after the completion of all tests are mutually all tested, stops measurement.
Advantages of the present invention：Magnetic linkage during switched reluctance machines diverse location is accurately measured, and certainty of measurement is high, measurement side
Method is simple, and measuring speed is fast, obtains the data of the static magnetic linkage of universe scope.
Brief description
Fig. 1 is the inventive method flow chart, and Fig. 2 is measurement apparatus structural representation of the present invention, and Fig. 3 is that phase winding two ends add
The step voltage schematic diagram carrying, Fig. 4 is the phase winding current curve changing with sampling time change when rotor-position is fixing
Schematic diagram, Fig. 5 is universe static state magnetic linkage set of curves schematic diagram.
Specific embodiment
Specific embodiment one：With reference to Fig. 1 to Fig. 5, present embodiment is described, the dress that present embodiment method uses
Put and include switched reluctance machines, DC source 1, power inverter 2, absolute position transducer 5, brake 6, voltage including device
Sensor 7, current sensor 8, DSP master controller 9, constant current source 10 and PC computer 11, switch 12, electric capacity 13, switch magnetic
Every phase winding 3 of resistance motor is corresponding with power inverter 2 to be mutually connected, and the positive pole of DC source 1 is connected with switch 12, switch
12 other end is connected with the positive pole of electric capacity 13 and the anode of power inverter 2 inlet highway, the negative pole of DC source 1 and electric capacity
13 negative pole is connected with the negative terminal of power inverter 2 inlet highway.
Switched reluctance machines are coaxially connected with absolute position transducer 5 and brake 6.
DSP master controller 9 controls power inverter 2 mutually to power accordingly to the phase winding 3 of switched reluctance machines.
The voltage and current sensor 8 that voltage sensor 7 gathers phase winding 3 gathers the electric current of phase winding 3 and exports to DSP
Master controller 9.
DSP master controller 9 controls constant current source 10 to make brake 6 produce braking torque.
DSP master controller 9 is by the data transfer after analytic operation to PC Computer Storage and process.
A kind of switched reluctance machines universe static state magnetic linkage method of testing comprises the following steps：
Step one, set n as the variable of the rotor measurement position of switched reluctance machines, and be initialized as n=1, θ1For testing
Beginning position.
Step 2, closure switch 12 are powered to electric capacity 13 and power inverter 2.
Step 3, DSP master controller 9 control all phases IGBT of power inverter 2 so that switched reluctance machines is slowly rotated.
Step 4, DSP master controller 9 read the position signalling of absolute position transducer 5, when switched reluctance machines drive is same
When the absolute position transducer 5 of axle rotates to measurement position θ n=θ n+ θ a, 360 ° of 0≤θ n ＜, θ a are the stepping angle of measurement, break
Open the drive signal that DSP master controller 9 is applied to power inverter 2, make switched reluctance machines out of service.
Step 5, DSP master controller 9 control the constant electric current of constant current source output to produce braking moment by brake 6 to be made
Armature spindle is fixed on position θ n.
Step 6, disconnection switch 12, now electric capacity 13 voltage is U, DSP master controller 9 driving power changer 2 one phase
IGBT, makes DC voltage U be added to the two ends of the tested phase of phase winding 3.
Step 7, DSP master controller 9 pass through voltage sensor 7 and current sensor 8 gathers the voltage of tested phase winding 3
Instantaneous value u (k) and current instantaneous value i (k), the sampling period is Δ T, the drive after the completion of data acquisition, on closing function to IGBT
Dynamic.
Step 8, DSP master controller 9 obtain the magnetic linkage of phase winding 3 in each sampling period Δ T by following formula, and then obtain in rotor measurement position θnWhen, different phase windings are corresponding in each transient voltage value and transient electrical flow valuve
Magnetic linkage：
,
Wherein, N is measurement point number,
R is the equivalent resistance of phase winding,
For magnetic linkage initial value.
Step 9, all data are uploaded to PC host computer 11 and carry out data storage and post processing, close constant current source 10
Act on the electric current in brake 6, discharge armature spindle 4.
Step 10, judge whether to meet θ n≤360 °.
Judged result is yes, n=n+1, execution step two, and judged result is no, completes this test and mutually obtains switching magnetic-resistance
Motor universe static state magnetic linkage, carries out next and mutually tests, and after the completion of all tests are mutually all tested, stops measurement.
The magnetic linkage of switched reluctance machines is nonlinear, and when rotor-position is different, magnetic linkage is different；In phase winding 3 voltage and
When current value is different, magnetic linkage is also different.The non-linear magnetic linkage difficulty of accurate measurement switched reluctance machines is very big.
The turning on and off of DSP master controller 9 controlling switch 12 in present embodiment, and then whether control DC source 1
To electric capacity and power inverter 2 loading power.After the completion of power supply loading, controlling switch reluctance motor rotates to position to be measured and fixes
Simultaneously switch off switch 12, now electric capacity residual voltage is U.Then the test of DSP master controller 9 controlling switch reluctance motor around
Group 3 carries out magnetic linkage test.The phase winding of switched reluctance machines is every mutually to have voltage sensor 8 and current sensor 9 to carry out signal
Collection, the voltage and current value of collecting test phase during test.
Set n=1 first, then make switched reluctance machines slowly rotate to θ1Deviation angle θaFixed with brake during position, so
Carry out voltage x current data acquisition and magnetic linkage measurement to test phase winding energising more afterwards.The rotor that this method is related to is from θ1Position is opened
Begin to measure, in order to obtain the magnetic linkage information of the motor of universe in 360 degree of scope electrical angles of rotor, as long as allowing controlling switch magnetic resistance electricity
The armature spindle 4 of machine rotates 360 degree of electrical angles.
DSP master controller 9 controls power inverter 2 so that motor is slowly rotated, and the step angle of rotation is θ every timea, open
Close reluctance motor armature spindle 4 be fixedly and coaxially connected with absolute position transducer 5 and brake 6, i.e. switched reluctance machines turn
Sub- axle 4 often rotates a step angle θa, anglec of rotation θ is also followed in absolute position transducer 5 and brake 6a, that is, as n=2,
The rotor-position of switched reluctance machines is θ2=θ1+θa, measure position signalling and by braking now by absolute position transducer 5
It is fixed by device, and the rest may be inferred.
Work as n=1, the rotor-position of switched reluctance machines is θ1When, magnetic linkage in the phase winding 3 of measurement switched reluctance machinesMeasurement operation principle as follows：
Now the voltage equation of phase winding 3 is：
--- (1),
The flux linkage equations that phase winding 3 can be solved are：
--- (2),
Above formula discretization is obtained phase winding in each transient voltage value and the corresponding magnetic linkage of transient electrical flow valuve：
--- (3),
Wherein：The magnitude of voltage loading for phase winding 3 two ends, as shown in figure 3,
For the current value of phase winding 3, as shown in figure 4,
For the magnetic linkage of phase winding 3,
R is the equivalent resistance of phase winding 3,
For initial magnetic linkage.
DSP master controller 9 starts to sample and calculates, and sampling refers mainly to gather phase winding 3 two ends by voltage sensor 7
Magnitude of voltage and gather the current value in phase winding 3 by current sensor 8, the sampling period is Δ T, in a corresponding sampling period
Phase winding 3 magnetic linkageObtained according to formula (3), the magnetic linkage of the phase winding 3 now obtainingElectricity for phase winding 3
Flow valuve is (0+ I1)/2 and magnitude of voltage are (U+ U1Corresponding magnetic linkage value during)/2, because the sampling period Δ T very little of computer,
Up to 1ns, so, what we were approximate thinks magnetic linkage nowFor the electric current end value at the end of certain sampling period Δ T
The corresponding magnetic linkage with voltage end value, the rest may be inferred, calculates each sampling period electric current end value and voltage end value pair
The magnetic linkage answered、……、, until sampling number reaches end value N, terminate sampling.
In first sampling period, the electric current initial value of phase winding 3 is 0, Initial Voltage Value U, electric current end value I1, voltage knot
Bundle value U1, substitute into formula (3) and obtain phase winding 3 current value I1With magnitude of voltage U1Corresponding magnetic linkage.
Second sampling period, the electric current initial value I of phase winding 31, Initial Voltage Value U1, electric current end value I2, voltage knot
Bundle value U2, substitute into formula (3) and obtain phase winding 3 current value I2With magnitude of voltage U2Corresponding magnetic linkage.
The rest may be inferred, until obtaining phase winding 3 current value I at final sampled point NNWith magnitude of voltage UNCorresponding magnetic linkage.
According to as above method obtain rotor other positions when with the current value in phase winding 3 different with magnitude of voltage and change
Each group magnetic linkageValue, that is, complete the test of universe static state magnetic linkage, and the result of test is depicted as curve as shown in Figure 5, in figure
Draw is cluster curve, and abscissa is the current value of phase winding 3, and vertical coordinate is magnetic linkage, and a plurality of curve represents phase winding respectively
In diverse location θ1、θ2、θ3……θb-1、θbWhen instantaneous magnetic linkage curve, comprehensively reflect magnetic linkageNumerical value.
Wherein, θb= /Nr, NrFor rotor number of poles, the set of curves that Fig. 5 shows is the magnetic linkage of 360 degree of electrical angle first half cycle,
I.e. θbMagnetic linkage before, θbThe same θ of magnetic linkage afterwardsbMagnetic linkage specular before.
Specific embodiment two：Present embodiment is with the difference of embodiment one, and it also includes switching 12, opens
Close 12 and be subject to controlling of DSP master controller 9, other identical with embodiment one.
DSP master controller 9 sends closure signal, and switch 12 closes, and electric capacity 13 and power inverter 2 obtain electric, both end voltage
For DC source 1 service voltage U, DSP master controller 9 transmission cut-off signal, switch 12 disconnection, now electric capacity before magnetic linkage test
Voltage is U, and after magnetic linkage test, capacitance voltage is gradually lowered as shown in Figure 3.
Specific embodiment three：Present embodiment is with the difference of embodiment one, step electricity described in step 3
Pressure U=1.2IeR, wherein, IeFor the rated current of phase winding 3, R is the equivalent resistance of phase winding 3, other and embodiment one phase
With.
Be carried in phase winding 3 two ends magnitude of voltage so arrange fruit relatively good, be not in burning motor.
Claims (2)
1. a kind of switched reluctance machines universe static state magnetic linkage method of testing, the device that the method uses include switched reluctance machines,
DC source (1), power inverter (2), absolute position transducer (5), brake (6), voltage sensor (7), current sense
Device (8), DSP master controller (9), constant current source (10) and PC computer (11), switch (12), electric capacity (13), switching magnetic-resistance electricity
Every phase winding (3) of machine is corresponding with power inverter (2) to be mutually connected, and the positive pole of DC source (1) is connected with switch (12),
The other end of switch (12) is connected with the positive pole of electric capacity (13) and the anode of power inverter (2) inlet highway, DC source (1)
Negative pole be connected with the negative pole of electric capacity (13) and the negative terminal of power inverter (2) inlet highway, switched reluctance machines and absolute position
Put sensor (5) and brake (6) be coaxially connected,
DSP master controller (9) controls power inverter (2) mutually to power accordingly to the phase winding (3) of switched reluctance machines,
The voltage and current sensor (8) that voltage sensor (7) gathers phase winding (3) gathers the electric current of phase winding (3) and exports
To DSP master controller (9),
DSP master controller (9) controls constant current source (10) to make brake (6) produce braking torque,
DSP master controller (9) by the data transfer after analytic operation to PC Computer Storage and process,
It is characterized in that, a kind of switched reluctance machines universe static state magnetic linkage method of testing comprises the following steps：
Step one, set n as the variable of the rotor measurement position of switched reluctance machines, and be initialized as n=1, θ1Initial for test
Position；
Step 2, closure switch (12) are to electric capacity (13) and power inverter (2) power supply；
Step 3, DSP master controller (9) control all phases IGBT of power inverter (2) so that switched reluctance machines is slowly rotated；
Step 4, DSP master controller (9) read the position signalling of absolute position transducer 5, when switched reluctance machines drive coaxially
Absolute position (5) when rotating to measurement position θ n=θ n+ θ a, 360 ° of 0≤θ n ＜, θ a are the stepping angle of measurement, disconnect DSP master
Controller (9) is applied to the drive signal of power inverter (2), makes switched reluctance machines out of service；
Step 5, DSP master controller (9) control the constant electric current of constant current source (10) output to produce braking by brake (4) and turn
Square makes armature spindle (4) be fixed on position θ n；
Step 6, disconnection switch (12), now capacitance voltage is U, DSP master controller (9) driving power changer (2) phase
IGBT, makes DC voltage U be added to the two ends of the tested phase of phase winding (3)；
Step 7, DSP master controller (10) pass through voltage sensor (8) and current sensor (9) gathers tested phase winding (3)
Instantaneous voltage u (k) and current instantaneous value i (k), the sampling period is Δ T, after the completion of data acquisition, on closing function to IGBT
Driving；
Step 8, DSP master controller (9) obtain the magnetic linkage of phase winding (3) in each sampling period Δ T by following formula, enter
And obtain in rotor measurement position θnWhen, different phase windings (3) are in each transient voltage value and the corresponding magnetic linkage of transient electrical flow valuve；
Wherein, N is measurement point number,
R is the equivalent resistance of phase winding (3),
For magnetic linkage initial value,
Step 9, all data are uploaded to PC (11) host computer and carry out data storage and post processing, close constant current source (10)
Act on the electric current in brake (6), release armature spindle (4)；
Step 10, judge whether to meet θ n≤360 °,
Judged result is yes, n=n+1, execution step two, and judged result is no, completes this test and mutually obtains switched reluctance machines
Universe static state magnetic linkage, carries out next and mutually tests, and after the completion of all tests are mutually all tested, stops measurement.
2. a kind of switched reluctance machines universe static state magnetic linkage method of testing according to claim 1 it is characterised in that：Step
Brake described in five (4) makes armature spindle (4) be fixed on position θnBraking moment should be subject to work(much larger than now switched reluctance machines
Electronic torque produced by rate changer (2) driving；
A kind of switched reluctance machines universe static state magnetic linkage method of testing according to claim 1 it is characterised in that：Step 2
Disconnect switch (12) described in described closure switch (12) and step 6, be all to be automatically controlled by DSP master controller (9) to complete, no
Need to manually participate in；
A kind of switched reluctance machines universe static state magnetic linkage method of testing according to claim 1 it is characterised in that：Step 3
Described step voltage U=1.2IeR, wherein, IeFor the rated current of phase winding (3), R is the equivalent resistance of phase winding (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877759.7A CN106443448A (en) | 2016-10-09 | 2016-10-09 | Testing method of all region static flux linkage of switch reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877759.7A CN106443448A (en) | 2016-10-09 | 2016-10-09 | Testing method of all region static flux linkage of switch reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106443448A true CN106443448A (en) | 2017-02-22 |
Family
ID=58172348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610877759.7A Pending CN106443448A (en) | 2016-10-09 | 2016-10-09 | Testing method of all region static flux linkage of switch reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106443448A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0022150D0 (en) * | 1999-09-16 | 2000-10-25 | Smith Corp A O | Switched reluctance position sensing |
| US20090096394A1 (en) * | 2007-10-10 | 2009-04-16 | Denso Corporation | Rotary electric system with star-connected multiphase stator windings |
| CN101533071A (en) * | 2009-04-20 | 2009-09-16 | 哈尔滨工业大学 | Global nonlinear inductance test method of switched reluctance motor |
| CN101561468A (en) * | 2009-05-22 | 2009-10-21 | 哈尔滨工业大学 | Method for testing saturated inductance of switched reluctance motor |
| CN201935998U (en) * | 2010-12-24 | 2011-08-17 | 青岛科技大学 | Flux linkage characteristic measuring system of switched reluctance motor |
| EP2843430A1 (en) * | 2013-09-02 | 2015-03-04 | LSIS Co., Ltd. | Method of detecting state of power cable in inverter system |
| CN104539212A (en) * | 2015-01-20 | 2015-04-22 | 中国矿业大学 | Method for measuring flux linkage characteristics of switch reluctance machine on line |
-
2016
- 2016-10-09 CN CN201610877759.7A patent/CN106443448A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0022150D0 (en) * | 1999-09-16 | 2000-10-25 | Smith Corp A O | Switched reluctance position sensing |
| US20090096394A1 (en) * | 2007-10-10 | 2009-04-16 | Denso Corporation | Rotary electric system with star-connected multiphase stator windings |
| CN101533071A (en) * | 2009-04-20 | 2009-09-16 | 哈尔滨工业大学 | Global nonlinear inductance test method of switched reluctance motor |
| CN101561468A (en) * | 2009-05-22 | 2009-10-21 | 哈尔滨工业大学 | Method for testing saturated inductance of switched reluctance motor |
| CN201935998U (en) * | 2010-12-24 | 2011-08-17 | 青岛科技大学 | Flux linkage characteristic measuring system of switched reluctance motor |
| EP2843430A1 (en) * | 2013-09-02 | 2015-03-04 | LSIS Co., Ltd. | Method of detecting state of power cable in inverter system |
| CN104539212A (en) * | 2015-01-20 | 2015-04-22 | 中国矿业大学 | Method for measuring flux linkage characteristics of switch reluctance machine on line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102033201B (en) | Simulation device and method using AC servo motor as variable-torque load | |
| CN107783006B (en) | Method for detecting turn-to-turn short circuit fault of rotor winding of hydraulic generator | |
| CN103048620B (en) | Method for measuring parameters of direct-current brushless motor | |
| CN107086835B (en) | Permanent magnet synchronous motor rotation initial zero-potential angle calibration system and calibration method | |
| CN103091109B (en) | For the control method of the wind turbine simulator of aerogenerator dynamic perfromance test | |
| CN101769998B (en) | Switched reluctance motor flux linkage characteristic measurement method | |
| CN109239635B (en) | Permanent magnet synchronous motor rotary transformer zero calibration system and calibration method | |
| CN109873587B (en) | Automatic multi-parameter identification method for permanent magnet synchronous motor | |
| CN101533071A (en) | Global nonlinear inductance test method of switched reluctance motor | |
| CN104655339A (en) | Cogging-torque test method for alternating-current permanent-magnet synchronous servo motor | |
| CN206894546U (en) | A kind of permagnetic synchronous motor rotation becomes initial zero position angle calibration system | |
| CN104007358B (en) | Permanent Magnet Synchronous Motor Drives for Electric Vehicle short trouble diagnostic method and system | |
| CN101526823A (en) | Control method of constant torque of switched reluctance motor | |
| CN106291364A (en) | A kind of switched reluctance machines universe magnetic linkage method of testing | |
| CN208109941U (en) | It is a kind of for testing the test device of switched reluctance machines parameter | |
| CN103246282A (en) | Test device for variable pitch controller | |
| CN106443448A (en) | Testing method of all region static flux linkage of switch reluctance motor | |
| CN104198937A (en) | Testing method of electrical zero position of randomly mounted brushless DC (Direct Current) motor of rotary transformer | |
| CN106849773B (en) | A kind of permanent magnet synchronous motor servo inertia system identifying method | |
| CN110365270A (en) | Rotation for AC magnetoelectric machine becomes zero bias setting method | |
| CN105938362A (en) | System and method for detecting motor control performance in voltage drop | |
| CN102368674A (en) | Method and system for resolving position of switched reluctance motor rotor | |
| CN106998163B (en) | The method of adjustment of permanent-magnet synchronous motor rotor position PI control parameter | |
| Harrison | The dynamic braking of induction motors | |
| CN105807147A (en) | Phase sequence testing method and device of three-phase asynchronous motor of nuclear power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |