CN108693436A - Permanent magnet synchronous motor power line wiring phase sequence detecting method and detecting system - Google Patents
Permanent magnet synchronous motor power line wiring phase sequence detecting method and detecting system Download PDFInfo
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
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Abstract
The present invention relates to permanent magnet synchronous motor power line wiring phase sequence detecting method and detecting systems, detect the relative position between the motor line of force that motor rotor position and rotor are connected with the arbitrary two-phase of controller power line respectively first;Then according to it is actually detected to related data whether using the correspondence between these data and wiring phase sequence obtain motor line of force wiring phase sequence correct.The detection method need to only detect several parameters, and judging phase order can be carried out according to corresponding relationship, detection method process is simple, it is efficient, and it just can recognize that specific phase sequence wrong way under motor stationary state, so, if being detected to the permanent magnet synchronous motor on vehicle, it can be detected under vehicle stop state, and then would not occur vehicle parking suddenly or situation retrograde suddenly in detection process, can not hazard detection personnel and surrounding other staff personal safety, improve motor phase sequence detection safety and efficiency.
Description
Technical field
The present invention relates to permanent magnet synchronous motor power line wiring phase sequence detecting method and detecting systems, belong to permanent magnet synchronous electric
Machine Phase sequence detection technical field.
Background technology
Integral new-energy passenger can effectively reduce carbon emission, with the enhancing of scientific and technological progress and environmental protection pressure, new energy
Car obtains large-scale promotion in China.Electric system is one of integral new-energy passenger " three electricity ", belongs to integral new-energy passenger core zero
Component.The permanent magnet of permanent magnet synchronous motor, such as internal permanent magnet synchronous motor, internal permanent magnet synchronous motor is located in rotor
Portion, the important feature of this magneto are that the straight, main inductance of quadrature axis is unequal, have it is small, light-weight, efficient, turn
The advantages that square control performance is good is integral new-energy passenger desired motor type.Unless otherwise specified, the application is with permanent magnetism in lower part
Synchronous motor refers in particular to internal permanent magnet synchronous motor.Currently, permanent magnet synchronous motor generally uses vector control mode, and obtain accurate
Relative position between true rotor-position, the i.e. poles rotor magnetic pole N and stator winding U phases is the premise for carrying out vector controlled.Turn
Sub- position can be obtained by position sensors such as rotary transformer, photoelectric encoders, can also be obtained by no position algorithm.
Integral new-energy passenger occasion, rotary transformer are obtained wide due to that can directly acquire rotor absolute position, and vibration resistance firm in structure
General application.
The principle of the control method of existing permanent magnet synchronous motor is as shown in Figure 1.Electric machine controller power line has A, B, C tri-
Phase connection, permanent magnet synchronous motor power line has tri- phase connection of U, V, W, and electric machine controller power line (A, B, C) and permanent magnetism are same
The step motor line of force (U, V, W) must be attached by certain phase sequence, and motor could run well.It is produced in integral new-energy passenger
In the process, due to all kinds of, it may occur that electric machine controller power line and motor line of force wiring error, cause motor reverse or
Trembling, and then vehicle is caused to drive in the wrong direction or be not normally functioning, have to check at this time and reconnect power line.
Currently, whether normal mode is for conventional detection phase sequence connection:After the completion of vehicle production, by referring to throttle
Enable, observation vehicle whether can normally travel come judge electric system phase sequence connection it is whether wrong.If vehicle drives in the wrong direction or original place is trembled,
Then further check the phase sequence between electric machine controller power line and the motor line of force.
It is same that a kind of electric vehicle permanent magnetism is disclosed in the Chinese patent application file that application publication number is CN103944477A
Motor line of force phase sequence bearing calibration is walked, the phase sequence connection between driver power line and the motor line of force is first determined whether, to adopting
The rotor electrical angle collected carries out certain correction, then restarts motor, carries out above-mentioned steps successively, and therefore, this method needs
Repeatedly to start motor, constantly correct collected rotor electrical angle, until motor energy normal operation.The bearing calibration
Journey is very complicated, needs constantly to repeat detection method, and constantly correct collected rotor electrical angle, until motor can be transported normally
Behavior stops, detection process inefficiency, moreover, this method there is a problem of one it is fatal, be exactly synchronous motor in detection process
It is unable to remains stationary, can only be detected, i.e., be detected in vehicle travel process in motor operation course, may be caused
Vehicle parking suddenly is driven in the wrong direction suddenly, can seriously endanger the personal safety of testing staff.
Invention content
It is existing to solve the object of the present invention is to provide a kind of permanent magnet synchronous motor power line wiring phase sequence detecting method
Detection method can not under motor stationary state to motor carry out Phase sequence detection the problem of.Present invention simultaneously provides a kind of permanent magnetism
Synchronous motor power line wiring Phase sequence detection system.
To achieve the above object, the solution of the present invention includes a kind of permanent magnet synchronous motor power line wiring Phase sequence detection side
Method includes the following steps:
(1) electricity that motor rotor position and rotor are connected with the arbitrary two-phase of controller power line respectively is detected
Relative position between the motor-driven line of force;
(2) according to the actually detected motor rotor position arrived and the rotor respectively with controller power
Whether the relative position between the connected motor line of force of the arbitrary two-phase of line tables look-up to obtain motor line of force wiring phase sequence correct;
The table is specially the electricity that motor rotor position, rotor are connected with the arbitrary two-phase of controller power line respectively
The mapping table of relative position and wiring phase sequence between the motor-driven line of force.
The motor rotor position is detected using rotary transformer, the rotor is detected using high-frequency signal injection and distinguishes
Relative position between the motor line of force being connected with the arbitrary two-phase of controller power line.
Opposite position between the motor line of force that the rotor is connected with the arbitrary two-phase of controller power line respectively
It sets specially:Relative position between the motor line of force that rotor is connected with controller power line A phases, and with control
Relative position between the motor line of force that device power line B phases are connected.
Wiring phase sequence is divided into correct phase sequence and wrong phase sequence, wherein correct phase sequence is:Controller power line A phases, B phases and C
Mutually motor line of force U phases, V phases and W phases are corresponded to respectively;Mistake phase sequence has following five kinds, and the first wrong phase sequence is:Controller power
Line A phases, B phases and C phases correspond to motor line of force U phases, W phases and V phases respectively, and the second wrong phase sequence is:Controller power line A phases, B
Mutually and C phases correspond to motor line of force V phases, W phases and U phases respectively, and third mistake phase sequence is:Controller power line A phases, B phases and C phases
Motor line of force V phases, U phases and W phases are corresponded to respectively, and the 4th wrong phase sequence is:Controller power line A phases, B phases and C phases are right respectively
Answer motor line of force W phases, V phases and U phases, the 5th wrong phase sequence is:Controller power line A phases, B phases and C phases correspond to motor respectively
Power line W phases, U phases and V phases.
Correspondence in the table has:Work as θA=θR, θB=θRCorrect phase sequence is corresponded at+120 °;Work as θA=θR, θB=θR-
The first wrong phase sequence is corresponded at 120 °;Work as θA=θR+ 120 °, θB=θRThe second wrong phase sequence is corresponded at -120 °;Work as θA=θR+
120 °, θB=θRWhen correspond to third mistake phase sequence;Work as θA=θR- 120 °, θB=θRAt+120 °, corresponding 4th wrong phase sequence;Work as θA
=θR- 120 °, θB=θRWhen, corresponding 5th wrong phase sequence;Wherein, θRFor motor rotor position, θAFor rotor with control
Relative position between the motor line of force that device power line A phases are connected, θBFor the motor being connected with controller power line B phases
Relative position between the line of force.
A kind of permanent magnet synchronous motor power line wiring Phase sequence detection system, including:
Data detection module is appointed with controller power line respectively for detecting motor rotor position and rotor
Relative position between the connected motor line of force of two-phase of anticipating;
Phase sequence detection module, for according to the actually detected motor rotor position arrived and rotor difference
Relative position between the motor line of force being connected with the arbitrary two-phase of controller power line tables look-up to obtain motor line of force wiring
Whether phase sequence is correct;
The table is specially the electricity that motor rotor position, rotor are connected with the arbitrary two-phase of controller power line respectively
The mapping table of relative position and wiring phase sequence between the motor-driven line of force.
The motor rotor position is detected using rotary transformer, the rotor is detected using high-frequency signal injection and distinguishes
Relative position between the motor line of force being connected with the arbitrary two-phase of controller power line.
Opposite position between the motor line of force that the rotor is connected with the arbitrary two-phase of controller power line respectively
It sets specially:Relative position between the motor line of force that rotor is connected with controller power line A phases, and with control
Relative position between the motor line of force that device power line B phases are connected.
Wiring phase sequence is divided into correct phase sequence and wrong phase sequence, wherein correct phase sequence is:Controller power line A phases, B phases and C
Mutually motor line of force U phases, V phases and W phases are corresponded to respectively;Mistake phase sequence has following five kinds, and the first wrong phase sequence is:Controller power
Line A phases, B phases and C phases correspond to motor line of force U phases, W phases and V phases respectively, and the second wrong phase sequence is:Controller power line A phases, B
Mutually and C phases correspond to motor line of force V phases, W phases and U phases respectively, and third mistake phase sequence is:Controller power line A phases, B phases and C phases
Motor line of force V phases, U phases and W phases are corresponded to respectively, and the 4th wrong phase sequence is:Controller power line A phases, B phases and C phases are right respectively
Answer motor line of force W phases, V phases and U phases, the 5th wrong phase sequence is:Controller power line A phases, B phases and C phases correspond to motor respectively
Power line W phases, U phases and V phases.
Correspondence in the table has:Work as θA=θR, θB=θRCorrect phase sequence is corresponded at+120 °;Work as θA=θR, θB=θR-
The first wrong phase sequence is corresponded at 120 °;Work as θA=θR+ 120 °, θB=θRThe second wrong phase sequence is corresponded at -120 °;Work as θA=θR+
120 °, θB=θRWhen correspond to third mistake phase sequence;Work as θA=θR- 120 °, θB=θRAt+120 °, corresponding 4th wrong phase sequence;Work as θA
=θR- 120 °, θB=θRWhen, corresponding 5th wrong phase sequence;Wherein, θRFor motor rotor position, θAFor rotor with control
Relative position between the motor line of force that device power line A phases are connected, θBFor the motor being connected with controller power line B phases
Relative position between the line of force.
In phase sequence detecting method provided by the invention, the phase of rotor can be effectively detected under motor stationary state
Off position information according to the three kinds of data informations detected, and combines corresponding between these three data informations and wiring phase sequence
Relationship can be judged to whether there is phase sequence mistake between controller power line and the motor line of force, and be further able to identify
Go out the mode of specific phase sequence mistake.The detection method need to only detect several parameters, and can carry out phase according to corresponding relationship
Sequence judges that detection method process is simple, and detection efficiency is higher, and just can recognize that specific phase under motor stationary state
The mode of sequence mistake, without repeatedly starting motor, without the continuous correction parameter during motor is run multiple times, until motor
Until energy normal operation, then, it, can be in vehicle stop state if being detected to the permanent magnet synchronous motor on vehicle
Under be detected, travelled without vehicle, and then vehicle parking suddenly or retrograde suddenly would not occur in detection process
Situation, can not hazard detection personnel and surrounding other staff personal safety, improve motor phase sequence detection safety and effect
Rate.
Description of the drawings
Fig. 1 is the schematic diagram of existing method for controlling permanent magnet synchronous motor;
Fig. 2 is permanent magnet synchronous motor power line wiring phase sequence detecting method schematic diagram.
Specific implementation mode
Permanent magnet synchronous motor power line wiring phase sequence detecting method embodiment
Permanent magnet synchronous motor power line wiring phase sequence detecting method provided by the invention mainly include two steps, first
Step is data detecting step, for detecting required various parameters data;Second step is Phase sequence detection step, for sentencing
Disconnecting line phase sequence.
For first step, there are three the data of detection:Be respectively motor rotor position and rotor respectively with
Relative position between the motor line of force being connected with the arbitrary two-phase of controller power line.These three parameters are in the static shape of motor
It is detected under state.
Wherein, motor rotor position is denoted as θR.In the present embodiment, motor rotor position is examined using rotary transformer
It surveys, certainly, as other embodiments, motor rotor position can also use other modes to be detected, for example use
The position sensors such as photoelectric encoder are detected, or other detection modes.Due to detecting motor using rotary transformer
Rotor-position belongs to conventional technical means, and the present embodiment just no longer specifically describes.
In the present embodiment, between the motor line of force that rotor is connected with the arbitrary two-phase of controller power line respectively
Relative position is detected by high-frequency signal injection, and high-frequency signal injection refers to:To motor injection high-frequency carrier signal excitation come with
The sensorless strategy method of track rotor with salient pole, it can be provided in low speed, and accurate position and speed is estimated even under zero-speed
Meter.Belong to routine techniques due to being detected using high-frequency signal injection, the present embodiment just no longer makes high-frequency signal injection itself
It describes in detail.Due to the motor line of force that in the present invention, rotor is connected with the arbitrary two-phase of controller power line respectively
Between relative position be by can be obtained to the detection algorithm that it is detected under motor stationary state, because
This, as other embodiments, which can also utilize others, can be detected to it under motor stationary state
Detection algorithm be detected, it is not limited to high-frequency signal injection.
In the present embodiment, between the motor line of force that rotor is connected with the arbitrary two-phase of controller power line respectively
Relative position specifically refers to:Relative position between the motor line of force that rotor is connected with controller power line A phases, note
For θA, and the relative position between the motor line of force that is connected with controller power line B phases, it is denoted as θB。
For second step, according to first step three obtained parameter, and these three parameters and wiring phase are combined
Mapping table between sequential mode judges whether actual wiring phase sequence is correct, and specific wiring phase sequence.
Under normal conditions, wiring phase sequence has correct phase sequence and wrong two kinds of phase sequence, wherein correct phase sequence is that motor is normally transported
Row under wiring phase sequence, be:Controller power line A phases, B phases and C phases correspond to motor line of force U phases, V phases and W phases respectively.Mistake
Phase sequence refers to that motor is unable to operate normally under wrong phase sequence, and mistake phase sequence has following five kinds, and the first wrong phase sequence is:Controller
Power line A phases, B phases and C phases correspond to motor line of force U phases, W phases and V phases respectively, and the second wrong phase sequence is:Controller power line A
Phase, B phases and C phases correspond to motor line of force V phases, W phases and U phases respectively, and third mistake phase sequence is:Controller power line A phases, B phases
Motor line of force V phases, U phases and W phases are corresponded to respectively with C phases, and the 4th wrong phase sequence is:Controller power line A phases, B phases and C phases point
Motor line of force W phases, V phases and U phases are not corresponded to, and the 5th wrong phase sequence is:Controller power line A phases, B phases and C phases correspond to respectively
Motor line of force W phases, U phases and V phases.
In addition, wrong phase sequence has reversed connection and connection two major classes in the same direction, wherein reversed connection includes three kinds, is respectively:
First wrong phase sequence, third mistake phase sequence and the 4th wrong phase sequence;Connection in the same direction includes two kinds, is respectively:Second wrong phase sequence
With the 5th wrong phase sequence.
So being based on motor rotor position θR, the motor line of force that is connected with controller power line A phases of rotor it
Between relative position θAAnd the relative position θ between the motor line of force being connected with controller power line B phasesB, table 1 provides
Correspondence between these three parameters and each wiring phase sequence.
Table 1
| θA=θR,θB=θR+120° | Phase sequence inerrancy |
| θA=θR,θB=θR-120° | ABC->UWV |
| θA=θR+120°,θB=θR-120° | ABC->VWU |
| θA=θR+120°,θB=θR | ABC->VUW |
| θA=θR-120°,θB=θR+120° | ABC->WVU |
| θA=θR-120°,θB=θR | ABC->WUV |
It can be obtained according to table 1, work as θA=θR, θB=θRCorrect phase sequence is corresponded at+120 °;Work as θA=θR, θB=θR-120°
When corresponding wiring phase sequence be ABC->UWV, i.e., above-mentioned first wrong phase sequence;Work as θA=θR+ 120 °, θB=θRIt is corresponded at -120 °
Wiring phase sequence be ABC->VWU, as above-mentioned second wrong phase sequence;Work as θA=θR+ 120 °, θB=θRWhen corresponding wiring phase sequence
For ABC->VUW, as above-mentioned third mistake phase sequence;Work as θA=θR- 120 °, θB=θRCorresponding wiring phase sequence is at+120 °
ABC->WVU, as above-mentioned 4th wrong phase sequence;Work as θA=θR- 120 °, θB=θRWhen corresponding wiring phase sequence be ABC->WUV,
As above-mentioned 5th wrong phase sequence.
Therefore, according to actually detected θR,θAAnd θBThe relationship of satisfaction, and connect in conjunction with the correspondence that table 1 provides
Whether line phase sequence is correct, and what specific wiring phase sequence is.Such as:If the real data detected meets:θA=θR+
120 °, θB=θR- 120 °, then, the wiring phase sequence between controller power line and the motor line of force is incorrect, and mistake phase sequence is
ABC->VWU, i.e. controller power line A phases, B phases and C phases correspond to motor line of force V phases, W phases and U phases respectively.
In above-described embodiment, detection parameters include:The motor power that rotor is connected with controller power line A phases
Relative position between relative position between line and the motor line of force being connected with controller power line B phases, as it
His embodiment can also choose the parameter of any other two-phase in three-phase, such as:Rotor with controller power line
Between relative position between the motor line of force that A phases are connected and the motor line of force being connected with controller power line C phases
Relative position, in this case, the correspondence in table just needs correspondingly to be adjusted, still, based on testing principle not
Become.
Permanent magnet synchronous motor power line wiring Phase sequence detection system embodiment
In the present embodiment, permanent magnet synchronous motor power line wiring Phase sequence detection system includes:
Data detection module is appointed with controller power line respectively for detecting motor rotor position and rotor
Relative position between the connected motor line of force of two-phase of anticipating;
Phase sequence detection module, for according to the actually detected motor rotor position arrived and rotor respectively with control
Relative position between the connected motor line of force of the arbitrary two-phase of device power line, tables look-up whether to obtain motor line of force wiring phase sequence
Correctly.
Above-mentioned table is specially the electricity that motor rotor position, rotor are connected with the arbitrary two-phase of controller power line respectively
The mapping table of relative position and wiring phase sequence between the motor-driven line of force.
The Phase sequence detection system is that the Phase sequence detection system is added in original control system for permanent-magnet synchronous motor,
In, data detection module is sensed by the module of motor rotor position and is moved respectively with controller for detecting rotor
The module composition of relative position between the connected motor line of force of the arbitrary two-phase of the line of force in the present embodiment, is injected using high frequency
Module detects the relative position between the motor line of force that rotor is connected with the arbitrary two-phase of controller power line respectively,
As shown in Figure 2.Phase sequence detection module carries out judging phase order according to obtained data.
Therefore, the modules in the Phase sequence detection system are software modules, by by the detecting system with software journey
The mode of sequence loads in the controls to realize corresponding function, so, it is still method in the Phase sequence detection system nature, by
This method is made that in above method embodiment and is described in detail, is just no longer illustrated here.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is above-mentioned basic scheme, and for those of ordinary skill in the art, various changes are designed in introduction according to the present invention
The model of shape, formula, parameter do not need to spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment carries out are still fallen in protection scope of the present invention.
Claims (10)
1. a kind of permanent magnet synchronous motor power line wiring phase sequence detecting method, which is characterized in that include the following steps:
(1) motor that motor rotor position and rotor are connected with the arbitrary two-phase of controller power line respectively is detected
Relative position between the line of force;
(2) appointed respectively with controller power line according to the actually detected motor rotor position arrived and the rotor
Whether the relative position between the connected motor line of force of two-phase of anticipating tables look-up to obtain motor line of force wiring phase sequence correct;
The table is specially the motor that motor rotor position, rotor are connected with the arbitrary two-phase of controller power line respectively
The mapping table of relative position and wiring phase sequence between the line of force.
2. permanent magnet synchronous motor power line wiring phase sequence detecting method according to claim 1, which is characterized in that utilize rotation
Change depressor and detect the motor rotor position, using high-frequency signal injection detect the rotor respectively with controller power
Relative position between the connected motor line of force of the arbitrary two-phase of line.
3. permanent magnet synchronous motor power line wiring phase sequence detecting method according to claim 1 or 2, which is characterized in that institute
The relative position stated between the motor line of force that rotor is connected with the arbitrary two-phase of controller power line respectively is specially:Electricity
Relative position between the motor line of force that machine rotor is connected with controller power line A phases, and with controller power line B phases
Relative position between the connected motor line of force.
4. permanent magnet synchronous motor power line wiring phase sequence detecting method according to claim 3, which is characterized in that wiring phase
Sequence is divided into correct phase sequence and wrong phase sequence, wherein correct phase sequence is:Controller power line A phases, B phases and C phases correspond to motor respectively
Power line U phases, V phases and W phases;Mistake phase sequence has following five kinds, and the first wrong phase sequence is:Controller power line A phases, B phases and C phases
Motor line of force U phases, W phases and V phases are corresponded to respectively, and the second wrong phase sequence is:Controller power line A phases, B phases and C phases are right respectively
Motor line of force V phases, W phases and the U phases, third mistake phase sequence is answered to be:Controller power line A phases, B phases and C phases correspond to motor respectively
Power line V phases, U phases and W phases, the 4th wrong phase sequence are:Controller power line A phases, B phases and C phases correspond to motor line of force W respectively
Phase, V phases and U phases, the 5th wrong phase sequence are:Controller power line A phases, B phases and C phases correspond to motor line of force W phases, U phases respectively
With V phases.
5. permanent magnet synchronous motor power line wiring phase sequence detecting method according to claim 4, which is characterized in that the table
In correspondence have:Work as θA=θR, θB=θRCorrect phase sequence is corresponded at+120 °;Work as θA=θR, θB=θRFirst is corresponded at -120 °
Mistake phase sequence;Work as θA=θR+ 120 °, θB=θRThe second wrong phase sequence is corresponded at -120 °;Work as θA=θR+ 120 °, θB=θRWhen correspond to
Third mistake phase sequence;Work as θA=θR- 120 °, θB=θRAt+120 °, corresponding 4th wrong phase sequence;Work as θA=θR- 120 °, θB=θR
When, corresponding 5th wrong phase sequence;Wherein, θRFor motor rotor position, θAIt is connected with controller power line A phases for rotor
The motor line of force between relative position, θBIt is opposite between the motor line of force that is connected with controller power line B phases
Position.
6. a kind of permanent magnet synchronous motor power line wiring Phase sequence detection system, which is characterized in that including:
Data detection module, for detect motor rotor position and rotor respectively with controller power line arbitrary two
Relative position between the connected motor line of force;
Phase sequence detection module, for according to the actually detected motor rotor position arrived and the rotor respectively with
Relative position between the connected motor line of force of the arbitrary two-phase of controller power line, tables look-up to obtain motor line of force wiring phase sequence
It is whether correct;
The table is specially the motor that motor rotor position, rotor are connected with the arbitrary two-phase of controller power line respectively
The mapping table of relative position and wiring phase sequence between the line of force.
7. permanent magnet synchronous motor power line wiring Phase sequence detection system according to claim 6, which is characterized in that utilize rotation
Change depressor and detect the motor rotor position, using high-frequency signal injection detect the rotor respectively with controller power
Relative position between the connected motor line of force of the arbitrary two-phase of line.
8. the permanent magnet synchronous motor power line wiring Phase sequence detection system described according to claim 6 or 7, which is characterized in that institute
The relative position stated between the motor line of force that rotor is connected with the arbitrary two-phase of controller power line respectively is specially:Electricity
Relative position between the motor line of force that machine rotor is connected with controller power line A phases, and with controller power line B phases
Relative position between the connected motor line of force.
9. permanent magnet synchronous motor power line wiring Phase sequence detection system according to claim 8, which is characterized in that wiring phase
Sequence is divided into correct phase sequence and wrong phase sequence, wherein correct phase sequence is:Controller power line A phases, B phases and C phases correspond to motor respectively
Power line U phases, V phases and W phases;Mistake phase sequence has following five kinds, and the first wrong phase sequence is:Controller power line A phases, B phases and C phases
Motor line of force U phases, W phases and V phases are corresponded to respectively, and the second wrong phase sequence is:Controller power line A phases, B phases and C phases are right respectively
Motor line of force V phases, W phases and the U phases, third mistake phase sequence is answered to be:Controller power line A phases, B phases and C phases correspond to motor respectively
Power line V phases, U phases and W phases, the 4th wrong phase sequence are:Controller power line A phases, B phases and C phases correspond to motor line of force W respectively
Phase, V phases and U phases, the 5th wrong phase sequence are:Controller power line A phases, B phases and C phases correspond to motor line of force W phases, U phases respectively
With V phases.
10. permanent magnet synchronous motor power line wiring Phase sequence detection system according to claim 9, which is characterized in that described
Correspondence in table has:Work as θA=θR, θB=θRCorrect phase sequence is corresponded at+120 °;Work as θA=θR, θB=θRIs corresponded at -120 °
One wrong phase sequence;Work as θA=θR+ 120 °, θB=θRThe second wrong phase sequence is corresponded at -120 °;Work as θA=θR+ 120 °, θB=θRWhen pair
Answer third mistake phase sequence;Work as θA=θR- 120 °, θB=θRAt+120 °, corresponding 4th wrong phase sequence;Work as θA=θR- 120 °, θB=θR
When, corresponding 5th wrong phase sequence;Wherein, θRFor motor rotor position, θAIt is connected with controller power line A phases for rotor
The motor line of force between relative position, θBIt is opposite between the motor line of force that is connected with controller power line B phases
Position.
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| CN201710242064.6A CN108693436B (en) | 2017-04-11 | 2017-04-11 | Detection method and detection system for phase sequence of power line wiring of permanent magnet synchronous motor |
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| CN113484627A (en) * | 2021-07-13 | 2021-10-08 | 中国第一汽车股份有限公司 | Wiring detection method and device for electric drive system and motor control system |
| CN114296006A (en) * | 2021-12-10 | 2022-04-08 | 杭州优迈科技有限公司 | Detection method and device of power system, electronic device and storage medium |
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