CN106936354A - Dodecagon magnetic linkage track control device and method - Google Patents
Dodecagon magnetic linkage track control device and method Download PDFInfo
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- CN106936354A CN106936354A CN201511005375.8A CN201511005375A CN106936354A CN 106936354 A CN106936354 A CN 106936354A CN 201511005375 A CN201511005375 A CN 201511005375A CN 106936354 A CN106936354 A CN 106936354A
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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
- H02P21/12—Stator flux based control involving the use of rotor position or rotor speed sensors
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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
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
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- Control Of Ac Motors In General (AREA)
Abstract
The present invention provides a kind of dodecagon magnetic linkage track control device and method, the dodecagon magnetic linkage track control device includes vehicle mounted dynamic battery, accessory power supply, master controller, drive circuit, three-phase permanent magnet synchronous motor, power pipe unit, each switching tube included by main controller controls power pipe unit, realizes the control to three-phase permanent magnet synchronous motor magnetic linkage track.In the control process, directly each switching tube by controlling power pipe unit to include realizes the control to three-phase permanent magnet synchronous motor magnetic linkage track, without setting current sensor, reduces the cost of control three-phase motor with permanent magnets magnetic linkage track.Meanwhile, dodecagon magnetic linkage track control device provided in an embodiment of the present invention, not including any relay, cost is relatively low.
Description
Technical field
The present invention relates to electric drive technology, more particularly to a kind of dodecagon magnetic linkage track control device and method.
Background technology
With being rooted in the hearts of the people for environmental consciousness, with zero-emission, pollution-free, capacity usage ratio is high the features such as electric automobile
Increasingly favored by consumer.Three-phase permanent magnet synchronous motor as electric automobile power source, be the important of electric automobile
One of accessory.
At present, the three-phase windings of three-phase permanent magnet synchronous motor are connected by two switching tubes with power supply respectively.Magnetic linkage rail
In mark control process, using Space Voltage Vector Control Strategy, become by vector coordinate transform, current loop control, output coordinate
The links such as change are controlled with to magnetic linkage track., it is necessary to the stator current according to three-phase permanent magnet synchronous motor is obtained during this
The torque current of the three-phase permanent magnet synchronous motor, the magnetic linkage track of the three-phase permanent magnet synchronous motor is controlled according to torque current.
, it is necessary to obtain stator current in above-mentioned magnetic linkage track control process, and the acquisition of stator current needs to obtain at least
Biphase current value is, it is necessary at least two current sensors, high cost.
The content of the invention
The present invention provides a kind of dodecagon magnetic linkage track control device and method, to reduce control three-phase motor with permanent magnets
The cost of magnetic linkage track.
One side, the embodiment of the present invention provides a kind of dodecagon magnetic linkage track control device, including：
Vehicle mounted dynamic battery, accessory power supply, master controller, drive circuit, three-phase permanent magnet synchronous motor, power pipe unit,
Wherein,
The vehicle mounted dynamic battery includes first paragraph and second segment, the positive pole of the negative pole of the first paragraph and the second segment
Connection, the first paragraph is connected with second end, and the first paragraph is Ud with the voltage of the second segment；
The power pipe unit includes first switch pipe VT1, second switch pipe VT2, the 3rd switching tube VT3, the 4th switch
Pipe VT4, the 5th switching tube VT5, the 6th switching tube VT6 and the 7th switching tube VT7；
The positive pole of the first paragraph is connected with the VT1, the VT2 with the input of the VT5, the second segment it is negative
Pole is connected with the VT3, the VT4 with the input of the VT6；
The A phase windings of the three-phase permanent magnet synchronous motor are connected with the output end of the VT1, the VT3；
The B phase windings of the three-phase permanent magnet synchronous motor are connected with the output end of the VT2, the VT4；
The C phase windings of the three-phase permanent magnet synchronous motor are connected with the output end of the VT5, the VT6；
The A phase windings of the VT7 and the three-phase permanent magnet synchronous motor, B phase windings are connected with C phase windings；
The master controller, for controlling the VT1, the VT2, the VT3, the VT4, the VT5, the VT6
Or the VT7, to control the magnetic linkage track of the three-phase permanent magnet synchronous motor；
The accessory power supply is electrically connected with the master controller；
The master controller is electrically connected with the drive circuit；
The drive circuit be used for produce 7 road trigger pulses, 7 road trigger pulse respectively with the VT1, the VT2,
The control end connection of the VT3, the VT4, the VT5, the VT6 and the VT7.
In the possible implementation of in the first aspect the first, the power pipe unit also includes 7 protection circuits,
It is respectively used to protect the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 and the VT7.
With reference to one side or the first possible implementation of one side, in the first aspect second
In possible implementation, the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 and the VT7 are
Wholly-controled device.
With reference to second possible implementation of one side, the third possible realization side in the first aspect
In formula, the wholly-controled device includes：Insulated gate bipolar transistor, gate level turn-off thyristor.
Second aspect, the embodiment of the present invention provide it is a kind of using as above the on one side, one side the first,
The method that the dodecagon magnetic linkage track control device that second or the third possible mode are realized carries out magnetic linkage control, bag
Include：
VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or institute described in the main controller controls
Direction and the duration of VT7 are stated, the magnetic linkage track of the three-phase permanent magnet synchronous motor is controlled to dodecagon, the direction
It is being switched on or off for the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or the VT7, it is described
When VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or the VT7 are switched on or off described in Shi Changwei,
In the corresponding A phase windings, the B phase windings and the C phase windings, the duration of at least two windings conducting, wherein, it is described
12 sides of the magnetic linkage track of dodecagon form 12 magnetic vector intervals.
In the possible implementation of in second aspect the first, VT1 described in the main controller controls, the VT2,
Direction and the duration of the VT3, the VT4, the VT5, the VT6 or the VT7, by the synchronous electricity of the three-phase permanent
The magnetic linkage track of machine is controlled to dodecagon, including：
Magnetic vector I is interval：The master controller is in t1Moment sends triggering and opens signal to the VT1 and VT6,
So that the A phase windings are turned on the C phase windings, a length of t during conducting1', the time reaches t2At the moment, the master controller is in institute
State t2Moment sends triggering and opens signal to the VT2；Wherein, described is t1Moment is the dodecagon magnetic linkage track control
The upper electric moment of device processed；From the t1Moment is to the t2At the moment, the voltage of the three-phase permanent magnet synchronous motor isIt is described
The magnetic linkage size in the interval of magnetic vector I is 2Ud × t1′；
Magnetic vector II is interval：The master controller is in t3Moment sends triggering cut-off signals, the t to the VT13When
Carve and the t2When a length of t between moment2′；From the t2Moment is to the t3Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector II is
Magnetic vector III is interval：The master controller is in t4Moment sends triggering and opens signal, the t to the VT34When
Carve and the t3When a length of t between moment3′；From the t3Moment is to the t4Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector III is 2Ud × t3′；
Magnetic vector IV is interval：The master controller is in t5Moment sends triggering cut-off signals, the t to the VT65When
Carve and the t4When a length of t between moment4′；From the t4Moment is to the t5Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector IV is
Magnetic vector V is interval：The master controller is in t6Moment sends triggering and opens signal, the t to the VT56When
Carve and the t5When a length of t between moment5′；From the t5Moment is to the t6Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector V is 2Ud × t5′；
Magnetic vector VI is interval：The master controller is in t7Moment sends triggering cut-off signals, the t to the VT27When
Carve and the t6When a length of t between moment6′；From the t6Moment is to the t7Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector VI is
Magnetic vector VII is interval：The master controller is in t8Moment sends triggering and opens signal, the t to the VT48When
Carve and the t7When a length of t between moment7′；From the t7Moment is to the t8Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector VII is 2Ud × t7′；
Magnetic vector VIII is interval：The master controller is in t9Moment sends triggering cut-off signals, the t to the VT39When
Carve and the t8When a length of t between moment8′；From the t8Moment is to the t9Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector VIII is
Magnetic vector Ⅸ is interval：The master controller is in t10Moment sends triggering and opens signal, the t to the VT110
Moment and the t9When a length of t between moment9′；From the t9Moment is to the t10Moment, the three-phase permanent magnet synchronous motor
Voltage beThe magnetic linkage size in the interval of the magnetic vector Ⅸ is 2Ud × t9′；
Magnetic vector Ⅹ is interval：The master controller is in t11Moment sends triggering cut-off signals, the t to the VT511
Moment and the t10When a length of t between moment10′；From the t10Moment is to the t11Moment, the synchronous electricity of the three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of the magnetic vector Ⅹ is
Magnetic vector Ⅺ is interval：The master controller is in t12Moment sends triggering and opens signal, the t to the VT612
Moment and the t11When a length of t between moment11′；From the t11Moment is to the t12Moment, the synchronous electricity of the three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of the magnetic vector Ⅺ is 2Ud × t11′；
Magnetic vector Ⅻ is interval：The master controller is in t13Moment sends triggering cut-off signals, the t to the VT413
Moment and the t12When a length of t between moment12′；From the t12Moment is to the t13Moment, the synchronous electricity of the three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of the magnetic vector Ⅻ isFrom the t13Moment opens
Begin, return to the interval of the magnetic vector I, so circulation；
Wherein, the magnetic vector I is interval interval to the magnetic vector Ⅻ, the interval magnetic linkage size phase of each magnetic vector
Together.
With reference to the first possible implementation of second aspect, second possible realization side in second aspect
It is described in formula
Dodecagon magnetic linkage track control device and method provided in an embodiment of the present invention, the dodecagon magnetic linkage rail
Mark control device includes vehicle mounted dynamic battery, accessory power supply, master controller, drive circuit, three-phase permanent magnet synchronous motor, power tube
Unit, each switching tube included by main controller controls power pipe unit is realized to three-phase permanent magnet synchronous motor magnetic linkage rail
The control of mark.In the control process, directly each switching tube by controlling power pipe unit to include is realized same to three-phase permanent
The control of motor magnetic linkage track is walked, without setting current sensor, the cost of control three-phase motor with permanent magnets magnetic linkage track is reduced.
Meanwhile, dodecagon magnetic linkage track control device provided in an embodiment of the present invention, not including any relay, cost compared with
It is low.
Brief description of the drawings
The structural representation of the dodecagon magnetic linkage track control device that Fig. 1 is provided for one embodiment of the invention；
Fig. 2 is by the applicable three-phase permanent magnet synchronous motor of dodecagon magnetic linkage track control device of the present invention is around component
Cloth schematic diagram；
The permagnetic synchronous motor dodecagon magnetic linkage track schematic diagram that Fig. 3 is provided for one embodiment of the invention.
Specific embodiment
The structural representation of the dodecagon magnetic linkage track control device that Fig. 1 is provided for one embodiment of the invention.Such as Fig. 1
Shown, dodecagon magnetic linkage track control device provided in an embodiment of the present invention includes：Vehicle mounted dynamic battery 1, accessory power supply
2nd, master controller 3, drive circuit 4, three-phase permanent magnet synchronous motor 5, power pipe unit 6, wherein, the vehicle mounted dynamic battery 1 is equal
Being divided into two parts series connection, i.e. vehicle mounted dynamic battery 1 includes first paragraph and second segment, the negative pole of the first paragraph and the second segment
Positive pole connection, the first paragraph connect with second end, and the first paragraph is Ud with the voltage of the second segment；The work(
Rate pipe unit 6 includes first switch pipe VT1, second switch pipe VT2, the 3rd switching tube VT3, the 4th switching tube VT4, the 5th switch
Pipe VT5, the 6th switching tube VT6 and the 7th switching tube VT7；The positive pole of the first paragraph and the VT1, the VT2 and the VT5
Input connection, the negative pole of the second segment is connected with the VT3, the VT4 with the input of the VT6；The three-phase
The A phase windings of permagnetic synchronous motor 5 are connected with the output end of the VT1, the VT3；The B of the three-phase permanent magnet synchronous motor 5
Phase winding is connected with the output end of the VT2, the VT4；The C phase windings of the three-phase permanent magnet synchronous motor 5 and the VT5,
The output end connection of the VT6；The A phase windings of the VT7 and the three-phase permanent magnet synchronous motor 5, B phase windings and C phase windings
Connection；The master controller 3, for control the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or
VT7 described in person, to control the magnetic linkage track of the three-phase permanent magnet synchronous motor 5；The accessory power supply 2 and the master controller 3
Electrical connection；The master controller 3 is electrically connected with the drive circuit 4；The drive circuit 4 is used to produce 7 road trigger pulses, institute
State 7 road trigger pulses respectively with the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 and the VT7
Control end connection.
In the embodiment of the present invention, three windings of three-phase permanent magnet synchronous motor 5, i.e. A phase windings, B phase windings and C phase windings
Symmetrically distribution, specifically, reference can be made to Fig. 2, Fig. 2 by dodecagon magnetic linkage track control device of the present invention be applicable three
The winding distribution schematic diagram of phase permagnetic synchronous motor.
Dodecagon magnetic linkage track control device provided in an embodiment of the present invention includes vehicle mounted dynamic battery, auxiliary electricity
Source, master controller, drive circuit, three-phase permanent magnet synchronous motor, power pipe unit, by main controller controls power pipe unit bag
Each switching tube for including, realizes the control to three-phase permanent magnet synchronous motor magnetic linkage track.In the control process, directly by control
Each switching tube that power pipe unit includes realizes the control to three-phase permanent magnet synchronous motor magnetic linkage track, is passed without setting electric current
Sensor, reduces the cost of control three-phase motor with permanent magnets magnetic linkage track.Meanwhile, dodecagon magnetic provided in an embodiment of the present invention
Chain locus control device, not including any relay, cost is relatively low.
Optionally, in above-described embodiment, the power pipe unit also includes 7 protection circuits, is respectively used to protection described
VT1, the VT2, the VT3, the VT4, the VT5, the VT6 and the VT7.
Specifically, Fig. 1 is refer to again, and each switching tube that power pipe unit 6 includes, i.e. VT1~VT7 can be full control
Type device, such as insulated gate bipolar transistor (Insulated Gate Bipolar Transistor, IGBT), gate pole can be closed
Disconnected IGCT (Gate-Turn-Off Thyristor, GTO) etc..For each switching tube, protection circuit is all provided with, should
Protection circuit includes four diodes.For example, for VT1, its protection circuit is by diode (VD1, VD2, VD3 and VD4 are constituted).
In addition, in power pipe unit 6, VT7 can form continuous current circuit with rectifier bridge, wherein, rectifier bridge is formed by diode.
In the embodiment of the present invention, master controller be, for example, Digital Signal Processing (Digital Signal Processing,
DSP) TMS320F2809, it passes through to control VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or described
The direction of VT7 and duration, dodecagon is controlled to by the magnetic linkage track of the three-phase permanent magnet synchronous motor, and the direction is
The VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or the VT7's is switched on or off, when described
It is right when a length of VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or the VT7 are switched on or off
In the A phase windings answered, the B phase windings and the C phase windings, the duration of at least two windings conducting, wherein, it is described just
12 sides of dodecagonal magnetic linkage track form 12 magnetic vector intervals.Specifically, 12 magnetic vector intervals
Reference can be made to the magnetic linkage track schematic diagram of the permagnetic synchronous motor dodecagon that Fig. 3, Fig. 3 are provided for one embodiment of the invention.
Specifically, main controller controls VT1, VT2, the direction of VT3, VT4, VT5, VT6 or VT7 and duration, by three
The magnetic linkage track of phase permagnetic synchronous motor is controlled to dodecagon, including：
Magnetic vector I is interval：Master controller is in t1Moment sends triggering and opens signal to VT1 and VT6, so that A phase windings
With the conducting of C phase windings, a length of t during conducting1', the time reaches t2At the moment, master controller is in t2Moment sends triggering and opens letter to VT2
Number；Wherein, it is t1Moment is the upper electric moment of dodecagon magnetic linkage track control device；From t1Moment is to t2At the moment, three-phase is forever
The voltage of magnetic-synchro motor isThe magnetic linkage size in the interval of magnetic vector I is 2Ud × t1′；
Specifically, dodecagon magnetic linkage track control device is in t1When engrave electricity after, by master controller to VT 1 and VT6
Send triggering and open signal so that the positive pole connection of A phase windings and vehicle mounted dynamic battery first paragraph, C phase windings and onboard power
The negative pole of the second segment of battery is connected, and the current potential on A phase windings is Ud, and the current potential on C phase windings is-Ud, then AC phase voltages are
2Ud, AC winding turn on t1After ' duration, the time reaches t2At the moment, master controller is in the t2Moment sends triggering and opens letter to VT2
Number.During being somebody's turn to do, i.e., from t1Moment is to t2At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage in the interval of magnetic vector I
Size is 2Ud × t1′。
Magnetic vector II is interval：Master controller is in t3Moment sends triggering cut-off signals, t to VT13Moment and t2Moment it
Between when a length of t2′；From t2Moment is to t3At the moment, the voltage of three-phase permanent magnet synchronous motor isThe interval of magnetic vector II
Magnetic linkage size is
Specifically, from t2Moment, A phase windings and B phase windings all connect with the positive pole of the first paragraph of vehicle mounted dynamic battery
Connect, the current potential on A phase windings and B phase windings is all Ud, the current potential on C phase windings is-Ud, then BC phase voltages are 2Ud, AC phases electricity
It is 2Ud to press, and now, AC windings are both turned on BC windings.By t2After ' duration, the time reaches t3At the moment, master controller is in the t3
Moment sends triggering cut-off signals to VT1.During being somebody's turn to do, i.e., from t2Moment is to t3At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector II is
Magnetic vector III is interval：The master controller is in t4Moment sends triggering and opens signal, the t to the VT34When
Carve and the t3When a length of t between moment3′；From the t3Moment is to the t4Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector III is 2Ud × t3′。
Specifically, from t3Moment, B phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on B phase windings
Current potential be Ud, current potential on C phase windings is-Ud, then BC phase voltages are 2Ud, now, the conducting of BC windings.By t3' duration
Afterwards, time arrival t4At the moment, master controller is in the t4Moment sends triggering and opens signal to VT3.During being somebody's turn to do, i.e., from t3Moment
To t4At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector III is 2Ud × t3′。
Magnetic vector IV is interval：The master controller is in t5Moment sends triggering cut-off signals, the t to the VT65When
Carve and the t4When a length of t between moment4′；From the t4Moment is to the t5Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector IV is
Specifically, from t4Moment, B phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on B phase windings
Current potential be Ud, A phase windings and C phase windings are connected with the negative pole of the second segment of vehicle mounted dynamic battery, A phase windings and C phases around
Current potential in group is-Ud, then BA phase voltages are 2Ud, and BC phase voltages are 2Ud.Now, BC windings are both turned on BA windings.Through
Cross t4After ' duration, the time reaches t5At the moment, master controller is in the t5Moment sends triggering cut-off signals to VT6.During being somebody's turn to do, i.e.,
From t4Moment is to t5At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector IV is
Magnetic vector V is interval：The master controller is in t6Moment sends triggering and opens signal, the t to the VT56When
Carve and the t5When a length of t between moment5′；From the t5Moment is to the t6Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector V is 2Ud × t5′。
Specifically, from t5Moment, B phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on B phase windings
Current potential be Ud, the negative pole of the second segment of A phase windings and vehicle mounted dynamic battery is connected, and the current potential on A phase windings is-Ud, then BA
Phase voltage is 2Ud.Now, BA windings conducting.By t5After ' duration, the time reaches t6At the moment, master controller is in the t6Moment to
VT5 sends triggering and opens signal.During being somebody's turn to do, i.e., from t5Moment is to t6At the moment, the voltage of three-phase permanent magnet synchronous motor isMagnetic
The magnetic linkage size in the interval of field vector V is 2Ud × t5′。
Magnetic vector VI is interval：The master controller is in t7Moment sends triggering cut-off signals, the t to the VT27When
Carve and the t6When a length of t between moment6′；From the t6Moment is to the t7Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector VI is
Specifically, from t6Moment, B phase windings and C phase windings all connect with the positive pole of the first paragraph of vehicle mounted dynamic battery
Connect, B phase windings are Ud with the current potential on C phase windings, and A phase windings are connected with the negative pole of the second segment of vehicle mounted dynamic battery, A phases
Current potential on winding is-Ud, then BA phase voltages are 2Ud, and CA phase voltages are 2Ud.Now, BA windings are both turned on CA windings.Through
Cross t6After ' duration, the time reaches t7At the moment, master controller is in the t7Moment sends triggering cut-off signals to VT2.During being somebody's turn to do, i.e.,
From t6Moment is to t7At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector VI is
Magnetic vector VII is interval：The master controller is in t8Moment sends triggering and opens signal, the t to the VT48When
Carve and the t7When a length of t between moment7′；From the t7Moment is to the t8Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector VII is 2Ud × t7′。
Specifically, from t7Moment, C phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on C phase windings
Current potential be Ud, the negative pole of the second segment of A phase windings and vehicle mounted dynamic battery is connected, and the current potential on A phase windings is-Ud, then CA
Phase voltage is 2Ud.Now CA windings conducting.By t7After ' duration, the time reaches t8At the moment, master controller is in the t8Moment to
VT4 sends triggering and opens signal.During being somebody's turn to do, i.e., from t7Moment is to t8At the moment, the voltage of three-phase permanent magnet synchronous motor isMagnetic
The magnetic linkage size in the interval of field vector VI is 2Ud × t7′。
Magnetic vector VIII is interval：The master controller is in t9Moment sends triggering cut-off signals, the t to the VT39When
Carve and the t8When a length of t between moment8′；From the t8Moment is to the t9Moment, the three-phase permanent magnet synchronous motor
Voltage isThe magnetic linkage size in the interval of the magnetic vector VIII is
Specifically, from t8Moment, C phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on C phase windings
Current potential be Ud, A phase windings and B phase windings are connected with the negative pole of the second segment of vehicle mounted dynamic battery, A phase windings and B phases around
Current potential in group is-Ud, then CB phase voltages are 2Ud with CA phase voltages.Now CA windings are both turned on CB windings.By
t8After ' duration, the time reaches t9At the moment, master controller is in the t9Moment sends triggering cut-off signals to VT3.Should during, i.e., from
t8Moment is to t9At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector VIII is
Magnetic vector Ⅸ is interval：The master controller is in t10Moment sends triggering and opens signal, the t to the VT110
Moment and the t9When a length of t between moment9′；From the t9Moment is to the t10Moment, the three-phase permanent magnet synchronous motor
Voltage beThe magnetic linkage size in the interval of the magnetic vector Ⅸ is 2Ud × t9′。
Specifically, from t9Moment, C phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on C phase windings
Current potential be Ud, the negative pole of the second segment of B phase windings and vehicle mounted dynamic battery is connected, and the current potential on B phase windings is-Ud, then CB
Phase voltage is 2Ud.Now CB windings conducting.By t9After ' duration, the time reaches t10At the moment, master controller is in the t10Moment to
VT1 sends triggering and opens signal.During being somebody's turn to do, i.e., from t9Moment is to t10At the moment, the voltage of three-phase permanent magnet synchronous motor is
The magnetic linkage size in the interval of magnetic vector Ⅸ is 2Ud × t9′。
Magnetic vector Ⅹ is interval：The master controller is in t11Moment sends triggering cut-off signals, the t to the VT511
Moment and the t10When a length of t between moment10′；From the t10Moment is to the t11Moment, the synchronous electricity of the three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of the magnetic vector Ⅹ is
Specifically, from t10Moment, A phase windings connect with C phase windings with the positive pole of the first paragraph of vehicle mounted dynamic battery
Connect, the current potential on A phase windings and C phase windings is Ud, B phase windings are connected with the negative pole of the second segment of vehicle mounted dynamic battery, B phases around
Current potential in group is-Ud, then CB phase voltages and CA phase voltages are 2Ud.Now CB windings are both turned on AB windings.By t10' when
After length, the time reaches t11At the moment, master controller is in the t11Moment sends triggering cut-off signals to VT5.During being somebody's turn to do, i.e., from t10
Moment is to t11At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector Ⅹ is
Magnetic vector Ⅺ is interval：The master controller is in t12Moment sends triggering and opens signal, the t to the VT612
Moment and the t11When a length of t between moment11′；From the t11Moment is to the t12Moment, the synchronous electricity of the three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of the magnetic vector Ⅺ is 2Ud × t11′。
Specifically, from t11Moment, A phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on A phase windings
Current potential be Ud, the negative pole of the second segment of B phase windings and vehicle mounted dynamic battery is connected, and the current potential on B phase windings is-Ud, then CB
Phase voltage is Ud, and AB phase voltages are 2Ud.Now AB windings conducting.By t11After ' duration, the time reaches t12Moment, main control
Device is in the t12Moment sends triggering and opens signal to VT6.During being somebody's turn to do, i.e., from t11Moment is to t12Moment, the synchronous electricity of three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of magnetic vector Ⅺ is 2Ud × t11′。
Magnetic vector Ⅻ is interval：The master controller is in t13Moment sends triggering cut-off signals, the t to the VT413
Moment and the t12When a length of t between moment12′；From the t12Moment is to the t13Moment, the synchronous electricity of the three-phase permanent
The voltage of machine isThe magnetic linkage size in the interval of the magnetic vector Ⅻ isFrom the t13Moment opens
Begin, return to the interval of the magnetic vector I, so circulation；
Specifically, from t12Moment, A phase windings are connected with the positive pole of the first paragraph of vehicle mounted dynamic battery, on A phase windings
Current potential be Ud, B phase windings and C phase windings are connected with the negative pole of the second segment of vehicle mounted dynamic battery, B phase windings and C phases around
Current potential in group is-Ud, then AC phase voltages are 2Ud with AB phase voltages.Now AB windings are both turned on AC windings.By t12′
After duration, the time reaches t13At the moment, master controller is in the t13Moment sends triggering cut-off signals to VT4.Should during, i.e., from
t12Moment is to t13At the moment, the voltage of three-phase permanent magnet synchronous motor isThe magnetic linkage size in the interval of magnetic vector Ⅺ is
In above-mentioned magnetic linkage track control process, in order to ensure that magnetic linkage track is dodecagon so that the close circle of magnetic linkage track,
Magnetic vector direction is consistent with voltage vector direction, then need 12 magnetic vector intervals, i.e., above-mentioned I interval of magnetic vector~magnetic field
The magnetic linkage size in the interval of vector Ⅻ is identical.It can be seen from above-mentioned analysis, master controller can by the work for controlling 12 magnetic vectors when
Between, as long as ensureing Can ensure that the magnetic in the interval of I interval of magnetic vector~magnetic vector Ⅻ
Chain size is identical, and then ensures that magnetic linkage track is dodecagon.
From the foregoing, compared to existing by links such as vector coordinate transform, current loop control, output coordinate changes
With in the method that is controlled to magnetic linkage track, during the switching tube failure being connected with certain phase, according to original voltage space
Vector controlled can not realize the control advance to three-phase permanent magnet synchronous motor, magnetic linkage track controlling party provided in an embodiment of the present invention
Method, during the switching tube failure being connected with certain phase, can be carried out by adjusting the duration of each winding conducting to magnetic linkage track
Control so that magnetic linkage track is dodecagon, increases the control ability to three-phase permanent magnet synchronous motor stator magnetic linkage track, from
And the failure in electric automobile driving is reduced, prevent the generation of security incident.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
1. a kind of dodecagon magnetic linkage track control device, it is characterised in that including：
Vehicle mounted dynamic battery, accessory power supply, master controller, drive circuit, three-phase permanent magnet synchronous motor, power pipe unit, wherein,
The vehicle mounted dynamic battery includes first paragraph and second segment, and the negative pole of the first paragraph connects with the positive pole of the second segment
Connect, the first paragraph is connected with second end, the first paragraph is Ud with the voltage of the second segment；
The power pipe unit includes first switch pipe VT1, second switch pipe VT2, the 3rd switching tube VT3, the 4th switching tube
VT4, the 5th switching tube VT5, the 6th switching tube VT6 and the 7th switching tube VT7；
The positive pole of the first paragraph is connected with the VT1, the VT2 with the input of the VT5, the negative pole of the second segment with
The VT3, the VT4 are connected with the input of the VT6；
The A phase windings of the three-phase permanent magnet synchronous motor are connected with the output end of the VT1, the VT3；
The B phase windings of the three-phase permanent magnet synchronous motor are connected with the output end of the VT2, the VT4；
The C phase windings of the three-phase permanent magnet synchronous motor are connected with the output end of the VT5, the VT6；
The A phase windings of the VT7 and the three-phase permanent magnet synchronous motor, B phase windings are connected with C phase windings；
The master controller, for control the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or
The VT7, to control the magnetic linkage track of the three-phase permanent magnet synchronous motor；
The accessory power supply is electrically connected with the master controller；
The master controller is electrically connected with the drive circuit；
The drive circuit is used to producing 7 road trigger pulses, 7 road trigger pulse respectively with the VT1, VT2, described
The control end connection of VT3, the VT4, the VT5, the VT6 and the VT7.
2. device according to claim 1, it is characterised in that the power pipe unit also includes 7 protection circuits, respectively
For protecting the VT1, the VT2, the VT3, the VT4, the VT5, the VT6 and the VT7.
3. device according to claim 1 and 2, it is characterised in that the VT1, the VT2, the VT3, the VT4,
The VT5, the VT6 and the VT7 are wholly-controled device.
4. device according to claim 3, it is characterised in that the wholly-controled device includes：Insulated gate bipolar crystal
Pipe, gate level turn-off thyristor.
5. a kind of dodecagon magnetic linkage track control device using as described in any one of Claims 1 to 4 carries out magnetic linkage control
The method of system, it is characterised in that including：
VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or described described in the main controller controls
The direction of VT7 and duration, dodecagon is controlled to by the magnetic linkage track of the three-phase permanent magnet synchronous motor, and the direction is
The VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or the VT7's is switched on or off, when described
It is right when a length of VT1, the VT2, the VT3, the VT4, the VT5, the VT6 or the VT7 are switched on or off
In the A phase windings answered, the B phase windings and the C phase windings, the duration of at least two windings conducting, wherein, it is described just
12 sides of dodecagonal magnetic linkage track form 12 magnetic vector intervals.
6. method according to claim 5, it is characterised in that VT1 described in the main controller controls, the VT2, described
Direction and the duration of VT3, the VT4, the VT5, the VT6 or the VT7, by the three-phase permanent magnet synchronous motor
Magnetic linkage track is controlled to dodecagon, including：
Magnetic vector I is interval：The master controller is in t1Moment sends triggering and opens signal to the VT1 and VT6, so that
The A phase windings are turned on the C phase windings, a length of t during conducting1', the time reaches t2At the moment, the master controller is in the t2
Moment sends triggering and opens signal to the VT2；Wherein, described is t1Moment is that the dodecagon magnetic linkage track controls dress
The upper electric moment put；From the t1Moment is to the t2At the moment, the voltage of the three-phase permanent magnet synchronous motor isThe magnetic field
The magnetic linkage size in the interval of vector I is 2Ud × t1′；
Magnetic vector II is interval：The master controller is in t3Moment sends triggering cut-off signals, the t to the VT13Moment with
The t2When a length of t between moment2′；From the t2Moment is to the t3Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector II is
Magnetic vector III is interval：The master controller is in t4Moment sends triggering and opens signal, the t to the VT34Moment with
The t3When a length of t between moment3′；From the t3Moment is to the t4Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector III is 2Ud × t3′；
Magnetic vector IV is interval：The master controller is in t5Moment sends triggering cut-off signals, the t to the VT65Moment with
The t4When a length of t between moment4′；From the t4Moment is to the t5Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector IV is
Magnetic vector V is interval：The master controller is in t6Moment sends triggering and opens signal, the t to the VT56Moment with
The t5When a length of t between moment5′；From the t5Moment is to the t6Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector V is 2Ud × t5′；
Magnetic vector VI is interval：The master controller is in t7Moment sends triggering cut-off signals, the t to the VT27Moment with
The t6When a length of t between moment6′；From the t6Moment is to the t7Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector VI is
Magnetic vector VII is interval：The master controller is in t8Moment sends triggering and opens signal, the t to the VT48Moment with
The t7When a length of t between moment7′；From the t7Moment is to the t8Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector VII is 2Ud × t7′；
Magnetic vector VIII is interval：The master controller is in t9Moment sends triggering cut-off signals, the t to the VT39Moment with
The t8When a length of t between moment8′；From the t8Moment is to the t9Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector VIII is
Magnetic vector Ⅸ is interval：The master controller is in t10Moment sends triggering and opens signal, the t to the VT110Moment with
The t9When a length of t between moment9′；From the t9Moment is to the t10Moment, the voltage of the three-phase permanent magnet synchronous motor
ForThe magnetic linkage size in the interval of the magnetic vector Ⅸ is 2Ud × t9′；
Magnetic vector Ⅹ is interval：The master controller is in t11Moment sends triggering cut-off signals, the t to the VT511Moment with
The t10When a length of t between moment10′；From the t10Moment is to the t11Moment, the electricity of the three-phase permanent magnet synchronous motor
Press and beThe magnetic linkage size in the interval of the magnetic vector Ⅹ is
Magnetic vector Ⅺ is interval：The master controller is in t12Moment sends triggering and opens signal, the t to the VT612Moment with
The t11When a length of t between moment11′；From the t11Moment is to the t12Moment, the electricity of the three-phase permanent magnet synchronous motor
Press and beThe magnetic linkage size in the interval of the magnetic vector Ⅺ is 2Ud × t11′；
Magnetic vector Ⅻ is interval：The master controller is in t13Moment sends triggering cut-off signals, the t to the VT413Moment with
The t12When a length of t between moment12′；From the t12Moment is to the t13Moment, the electricity of the three-phase permanent magnet synchronous motor
Press and beThe magnetic linkage size in the interval of the magnetic vector Ⅻ isFrom the t13At the moment, return
The magnetic vector I is interval, so circulation；
Wherein, the magnetic vector I is interval interval to the magnetic vector Ⅻ, and the interval magnetic linkage size of each magnetic vector is identical.
7. method according to claim 6, it is characterised in that described
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| CN201511005375.8A CN106936354B (en) | 2015-12-28 | 2015-12-28 | Regular dodecagon flux linkage track control device and method |
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| CN201511005375.8A CN106936354B (en) | 2015-12-28 | 2015-12-28 | Regular dodecagon flux linkage track control device and method |
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| CN106936354B CN106936354B (en) | 2020-05-26 |
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