CN106208870A - A kind of hybrid exciting synchronous motor magnetic linkage measuring method - Google Patents
A kind of hybrid exciting synchronous motor magnetic linkage measuring method Download PDFInfo
- Publication number
- CN106208870A CN106208870A CN201610569822.0A CN201610569822A CN106208870A CN 106208870 A CN106208870 A CN 106208870A CN 201610569822 A CN201610569822 A CN 201610569822A CN 106208870 A CN106208870 A CN 106208870A
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- China
- Prior art keywords
- phase line
- peak value
- motor
- magnetic linkage
- fai
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Classifications
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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
Abstract
The invention provides a kind of hybrid exciting synchronous motor magnetic linkage measuring method, it comprises the following steps, S1: being opened a way by measured motor triple line and magnet exciting coil connects, and is simultaneously connected to multichannel oscillograph；S2: rotate tested machine shaft, until described multichannel oscilloscope display goes out regular sinusoidal waveform；S3: be energized to dynamometer machine and set the dynamometer machine rotating speed peak value as the three-aisled sine voltage of 500rpm recording oscillometer；S4: repeat S3 with 500rpm for stepping until rotating speed reaches maximal rate max_speed or the maximum exciting current Il_max that tested motor allows, and record each motor speed w, exciting current Il, the peak value Vab between phase line AB, peak value Vac between phase line AC, the peak value Vbc between phase line BC；S5: according to hybrid exciting synchronous motor flux linkage equations FAI=e/ (p × w), take meansigma methods fai1 of the FAI every time obtained, fai1 are that the hybrid exciting synchronous motor magnetic linkage finally given is measured.Measuring method of the present invention is simple and accurate, can be widely used for motor magnetic linkage field of measuring technique.
Description
Technical field
The invention belongs to technical field of motors, particularly a kind of hybrid exciting synchronous motor magnetic linkage measuring method.
Background technology
The direct torque of hybrid exciting synchronous motor depends on high-precision torque measurement sensor, owing to torque is surveyed
Quantity sensor is expensive, the method for current main flow be all according to hybrid exciting synchronous motor torque formula T*=1.5 × p ×
Iq* × (fai1+fai2) (fai1 is permanent magnet flux linkage, fai2 be excitation flux linkage p be number of pole-pairs, w is motor angular velocity, e be line electricity
Voltage crest peak value, iq* is quadrature axis current request), T* request is converted in the case of known to fai1 and fai2 by torque requests T*
Quadrature axis current iq* asks to control；The hybrid exciting synchronous motor direct torque dependency to magnetic linkage.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of hybrid exciting synchronous motor magnetic linkage measuring method, its bag
Include following steps:
S1: connected by phase line A in measured motor triple line, phase line B, phase line C and magnet exciting coil L1, L2 open circuit, and by phase
Line A, phase line B, phase line C are connected to multichannel oscillograph, and tested rotor bearing and dynamometer machine rotor bearing are coaxially connected
Connect；
S2: rotate tested machine shaft, when described multichannel oscilloscope display regular sinusoidal waveform, shows testboard bay
Build correct, otherwise again step S1 should go out regular sinusoidal waveform until described multichannel oscilloscope display；
S3: being energized to dynamometer machine and arranging it operates in velocity mode, sets dynamometer machine rotating speed and records oscillography as 500rpm
The peak value of the three-aisled sine voltage of device；
S4: with 500rpm for stepping repeat S3 until rotating speed reach tested motor allow maximal rate max_speed or
Maximum exciting current Il_max, and record each motor speed w, exciting current Il, the peak value Vab between phase line AB, phase line
Peak value Vac between AC, the peak value Vbc between phase line BC；
S5: according to hybrid exciting synchronous motor flux linkage equations FAI=e/ (p × w), wherein FAI is magnetic linkage, and p is number of pole-pairs,
W is motor angular velocity, and e is line average voltage peak value, and table step S4 records the line average voltage peak that each rotating speed point w is corresponding
Value e=(Vab+Vac+Vac)/3 obtains magnetic linkage FAI, and takes meansigma methods fai1 of the FAI every time obtained, and fai1 is for finally giving
Hybrid exciting synchronous motor magnetic linkage measure.
The method have the advantages that
The hybrid exciting synchronous motor magnetic linkage measuring method that the present invention provides, measuring method is simple and accurate, can be extensive
For motor magnetic linkage field of measuring technique.
Certainly, the arbitrary product implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, embodiment will be described required use below
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Measured motor that Fig. 1 provides for the embodiment of the present invention and dynamometer machine connection diagram；
The regular waveform ripple schematic diagram that Fig. 2 provides for the embodiment of the present invention；
Fig. 3 for the embodiment of the present invention provide by measured motor phase line and magnet exciting coil connection diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all other
Embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of hybrid exciting synchronous motor magnetic linkage measuring method, it comprises the following steps:
S1: as it is shown on figure 3, will be opened a way by phase line A in measured motor triple line, phase line B, phase line C and magnet exciting coil L1, L2
Connect, and phase line A, phase line B, phase line C are connected to multichannel oscillograph, as shown in Figure 1 by tested rotor bearing and survey
Merit machine rotor coaxial bearing connects；
S2: rotate tested machine shaft, when described multichannel oscilloscope display regular sinusoidal waveform, shows testboard bay
Build correct, otherwise again step S1 should go out regular sinusoidal waveform as shown in Figure 2 until described multichannel oscilloscope display；
S3: being energized to dynamometer machine and arranging it operates in velocity mode, sets dynamometer machine rotating speed and records oscillography as 500rpm
The peak value of the three-aisled sine voltage of device；
S4: with 500rpm for stepping repeat S3 until rotating speed reach tested motor allow maximal rate max_speed or
Maximum exciting current Il_max, and record each motor speed w, exciting current Il, the peak value Vab between phase line AB, phase line
Peak value Vac between AC, the peak value Vbc between phase line BC；
S5: according to hybrid exciting synchronous motor flux linkage equations FAI=e/ (p × w), wherein FAI is magnetic linkage, and p is number of pole-pairs,
W is motor angular velocity, and e is line average voltage peak value, and table step S4 records the line average voltage peak that each rotating speed point w is corresponding
Value e=(Vab+Vac+Vac)/3 obtains magnetic linkage FAI, and takes meansigma methods fai1 of the FAI every time obtained, and fai1 is for finally giving
Hybrid exciting synchronous motor magnetic linkage measure.
Wherein knowable to hybrid exciting synchronous motor principle, (when exciting current is 0, motor magnetic linkage is only by permanent magnet flux linkage
Flux linkage equations fai1+fai2=e/ (p × w) can be dissolved that (wherein fai1 is permanent-magnet magnetic for fai1=e/ (p × w) by fai1 composition
Chain, fai2 is magnet exciting coil magnetic linkage, and p is number of pole-pairs, and w is motor angular velocity, and e is line Voltage Peak peak value) according to recording each turn
Line average voltage peak value e corresponding for speed point w calculates permanent magnet flux linkage fai1 and averages；
When exciting current is not 0, the magnetic linkage of hybrid exciting synchronous motor is by permanent magnet flux linkage fai1 and excitation flux linkage fai2
Composition, by formula:
Fai=fai1+fai2
Fai2=K × L × I
Fai2=e/ (p × w)-fai1 (wherein fai is total magnetic linkage of hybrid exciting synchronous motor), utilizes the line electricity of record
Voltage crest peak value e and permanent magnet flux linkage fai1 are calculated excitation flux linkage fai2 and total magnetic linkage fai.
The hybrid exciting synchronous motor magnetic linkage measuring method that the present invention provides, measuring method is simple and accurate, can be extensive
For motor magnetic linkage field of measuring technique.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.Preferred embodiment is the most detailed
Describe all of details, be also not intended to the detailed description of the invention that this invention is only described.Obviously, according to the content of this specification,
Can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the present invention
Principle and actual application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and four corner thereof and equivalent.
Claims (1)
1. a hybrid exciting synchronous motor magnetic linkage measuring method, it is characterised in that comprise the following steps:
S1: by phase line A in measured motor triple line, phase line B, phase line C and magnet exciting coil L1, L2 open circuit connect, and by phase line A,
Phase line B, phase line C are connected to multichannel oscillograph, and by coaxially connected to tested rotor bearing and dynamometer machine rotor bearing；
S2: rotate tested machine shaft, when described multichannel oscilloscope display regular sinusoidal waveform, shows that testboard bay is built
Correctly, otherwise again step S1 regular sinusoidal waveform should be gone out until described multichannel oscilloscope display；
S3: being energized to dynamometer machine and arranging it operates in velocity mode, sets dynamometer machine rotating speed as 500rpm recording oscillometer three
The peak value of the sine voltage of bar passage；
S4: repeat S3 with 500rpm for stepping until rotating speed reaches maximal rate max_speed or the maximum that tested motor allows
Exciting current Il_max, and record each motor speed w, exciting current Il, the peak value Vab between phase line AB, phase line AC it
Between peak value Vac, the peak value Vbc between phase line BC；
S5: according to hybrid exciting synchronous motor flux linkage equations FAI=e/ (p × w), wherein FAI is magnetic linkage, and p is number of pole-pairs, and w is
Motor angular velocity, e is line average voltage peak value, and step S4 records line average voltage peak value e=corresponding for each rotating speed point w
(Vab+Vac+Vac)/3 obtain magnetic linkage FAI, and take meansigma methods fai1 of the FAI every time obtained, and fai1 is the mixing finally given
Excitation magnetic synchronization motor magnetic linkage is measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569822.0A CN106208870A (en) | 2016-07-19 | 2016-07-19 | A kind of hybrid exciting synchronous motor magnetic linkage measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569822.0A CN106208870A (en) | 2016-07-19 | 2016-07-19 | A kind of hybrid exciting synchronous motor magnetic linkage measuring method |
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| Publication Number | Publication Date |
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| CN106208870A true CN106208870A (en) | 2016-12-07 |
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| CN201610569822.0A Pending CN106208870A (en) | 2016-07-19 | 2016-07-19 | A kind of hybrid exciting synchronous motor magnetic linkage measuring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054970A (en) * | 2017-12-26 | 2018-05-18 | 顺丰科技有限公司 | A kind of motor magnetic linkage measuring method and device |
| CN109270459A (en) * | 2018-11-20 | 2019-01-25 | 上海电机系统节能工程技术研究中心有限公司 | A kind of detection device for motor performance test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013055817A (en) * | 2011-09-05 | 2013-03-21 | Fuji Electric Co Ltd | Control device for power conversion device |
| CN103018577A (en) * | 2012-12-14 | 2013-04-03 | 东南大学 | Method for measuring parameters of permanent magnet synchronous motor |
| CN104081652A (en) * | 2012-01-20 | 2014-10-01 | 三菱电机株式会社 | Control device and control method for permanent magnet electric motor |
-
2016
- 2016-07-19 CN CN201610569822.0A patent/CN106208870A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013055817A (en) * | 2011-09-05 | 2013-03-21 | Fuji Electric Co Ltd | Control device for power conversion device |
| CN104081652A (en) * | 2012-01-20 | 2014-10-01 | 三菱电机株式会社 | Control device and control method for permanent magnet electric motor |
| CN103018577A (en) * | 2012-12-14 | 2013-04-03 | 东南大学 | Method for measuring parameters of permanent magnet synchronous motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054970A (en) * | 2017-12-26 | 2018-05-18 | 顺丰科技有限公司 | A kind of motor magnetic linkage measuring method and device |
| CN109270459A (en) * | 2018-11-20 | 2019-01-25 | 上海电机系统节能工程技术研究中心有限公司 | A kind of detection device for motor performance test |
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Application publication date: 20161207 |
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