CN106330011A - Electromagnetic interference suppression method and device for motor, motor controller and electric vehicle - Google Patents
Electromagnetic interference suppression method and device for motor, motor controller and electric vehicle Download PDFInfo
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- CN106330011A CN106330011A CN201610804716.6A CN201610804716A CN106330011A CN 106330011 A CN106330011 A CN 106330011A CN 201610804716 A CN201610804716 A CN 201610804716A CN 106330011 A CN106330011 A CN 106330011A
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- electromagnetic interference
- synchronous motor
- permagnetic synchronous
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001629 suppression Effects 0.000 title claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims abstract description 70
- 230000008859 change Effects 0.000 claims description 34
- 230000000452 restraining effect Effects 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
- H02P27/12—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation pulsing by guiding the flux vector, current vector or voltage vector on a circle or a closed curve, e.g. for direct torque control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses an electromagnetic interference suppression method and device for a permanent magnet synchronous motor, a motor controller and an electric vehicle, wherein the method comprises the following steps: generating an SVPWM control signal with switching frequency changing randomly by changing carrier period randomly; and controlling an inverter switching tube in the motor controller according to the SVPWM control signal with the switching frequency changing randomly so as to inhibit electromagnetic interference generated when the motor controller drives the permanent magnet synchronous motor. According to the method provided by the invention, the electromagnetic interference generated when the motor controller drives the permanent magnet synchronous motor can be effectively inhibited.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly to the electromagnetic interference suppression side of a kind of permagnetic synchronous motor
Method, the device for restraining electromagnetic interference of a kind of permagnetic synchronous motor, a kind of electric machine controller and a kind of electric vehicle.
Background technology
In electric automobile, electric machine controller and driving motor gradually develop to miniaturization and light-weighted direction so that in car
Electromagnetic environment is the most complicated.The Electro Magnetic Compatibility of electrical and electronic product is a very important quality index, its not only relation
To functional reliability and the safety in utilization of product itself, but also the normal work of other equipment and system may be had influence on,
Being related to the protection problem of electromagnetic environment, therefore, the emc issue of electrical and electronic product is also by national governments and life
Produce the pay attention to day by day of enterprise.
In electric automobile, driving motor is maximum electromagnetic interference source, therefore, the most effectively reduces the electricity driving motor
Magnetic disturbance becomes the study hotspot of each enterprise.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in above-mentioned technology.To this end, the present invention
One purpose is to propose the electromagnetic interference suppressing method of a kind of permagnetic synchronous motor, it is possible to effectively suppression electric machine controller drives
The electromagnetic interference produced during permagnetic synchronous motor.
Second object of the present invention is to propose the device for restraining electromagnetic interference of a kind of permagnetic synchronous motor.
Third object of the present invention is to propose a kind of electric machine controller.
Fourth object of the present invention is to propose a kind of electric vehicle.
For reaching above-mentioned purpose, first aspect present invention embodiment proposes the electromagnetic interference of a kind of permagnetic synchronous motor and presses down
Method processed, the method comprises the following steps: by the random carrier cycle that changes to produce the SVPWM of switching frequency change at random
(Space Vector Pulse Width Modulation, space vector pulse width modulation) control signal；According to described switch lock
Inverter switching device pipe in electric machine controller is controlled by the SVPWM control signal of rate change at random, to suppress motor control
The electromagnetic interference that device produces when driving described permagnetic synchronous motor.
The electromagnetic interference suppressing method of permagnetic synchronous motor according to embodiments of the present invention, by switching frequency change at random
SVPWM control signal the inverter switching device pipe in electric machine controller is controlled, it is possible to effectively suppression electric machine controller drives
The electromagnetic interference produced during dynamic permagnetic synchronous motor.
It addition, can also have according to the electromagnetic interference suppressing method of the permagnetic synchronous motor of the above embodiment of the present invention proposition
There is a following additional technical characteristic:
According to one embodiment of present invention, based on SVPWM principle, in preset range, control described carrier cycle random
Change.
According to one embodiment of present invention, according to the SVPWM control signal of described switching frequency change at random to described
Inverter switching device pipe is controlled the harmonic noise frequency spectrum near with broadening carrier frequency and two times of carrier frequencies, and by reducing
The electromagnetic interference that noise amplitude produces when driving described permagnetic synchronous motor to suppress described electric machine controller.
According to one embodiment of present invention, the electromagnetism that described electric machine controller produces when driving described permagnetic synchronous motor
Interference includes radiation interference and coupled interference.
For reaching above-mentioned purpose, second aspect present invention embodiment proposes the electromagnetic interference of a kind of permagnetic synchronous motor and presses down
Device processed, this device includes: signal generator module, for by changing carrier cycle at random to produce switching frequency change at random
SVPWM control signal；Control module, is used for the SVPWM control signal according to described switching frequency change at random to motor control
Inverter switching device pipe in device processed is controlled, with the electromagnetism suppressing electric machine controller to produce when driving described permagnetic synchronous motor
Interference.
The device for restraining electromagnetic interference of permagnetic synchronous motor according to embodiments of the present invention, signal generator module is by random
Changing the carrier cycle SVPWM control signal with generation switching frequency change at random, control module becomes at random according to switching frequency
Inverter switching device pipe in electric machine controller is controlled by the SVPWM control signal changed, it is possible to effectively suppress electric machine controller
The electromagnetic interference produced when driving permagnetic synchronous motor.
It addition, can also have according to the device for restraining electromagnetic interference of the permagnetic synchronous motor of the above embodiment of the present invention proposition
There is a following additional technical characteristic:
According to one embodiment of present invention, described signal generator module controls in preset range based on SVPWM principle
Described carrier cycle change at random.
According to one embodiment of present invention, described control module is further used for, and becomes at random according to described switching frequency
Described inverter switching device pipe is controlled near with broadening carrier frequency and two times of carrier frequencies by the SVPWM control signal changed
Harmonic noise frequency spectrum, and by reducing noise amplitude to suppress described electric machine controller to produce when driving described permagnetic synchronous motor
Electromagnetic interference.
According to one embodiment of present invention, the electromagnetism that described electric machine controller produces when driving described permagnetic synchronous motor
Interference includes radiation interference and coupled interference.
For reaching above-mentioned purpose, third aspect present invention embodiment proposes a kind of electric machine controller, and it includes the present invention
The device for restraining electromagnetic interference of the permagnetic synchronous motor that second aspect embodiment proposes.
Electric machine controller according to embodiments of the present invention, it is possible to the electromagnetism that effectively suppression produces when driving permagnetic synchronous motor
Interference.
For reaching above-mentioned purpose, fourth aspect present invention embodiment proposes a kind of electric vehicle, and it includes the present invention the
The device for restraining electromagnetic interference of the permagnetic synchronous motor that two aspect embodiments propose.
Electric vehicle according to embodiments of the present invention, the electromagnetic interference that its electric machine controller produces when driving permagnetic synchronous motor
Less.
Accompanying drawing explanation
Fig. 1 is the flow chart of the electromagnetic interference suppressing method of the permagnetic synchronous motor according to the embodiment of the present invention；
Fig. 2 is the oscillogram of the SVPWM control signal according to one embodiment of the invention；
Fig. 3 is according to the oscillogram of motor lines voltage in correlation technique；
Fig. 4 is according to the spectrogram of motor lines voltage in correlation technique；
Fig. 5 is the oscillogram of the motor lines voltage according to one embodiment of the invention；
Fig. 6 is the spectrogram of the motor lines voltage according to one embodiment of the invention；
Fig. 7 is the block diagram of the device for restraining electromagnetic interference of the permagnetic synchronous motor according to the embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Describe below in conjunction with the accompanying drawings the electromagnetic interference suppressing method of the permagnetic synchronous motor of the embodiment of the present invention, device,
Electric machine controller and electric vehicle.
Fig. 1 is the flow chart of the electromagnetic interference suppressing method of the permagnetic synchronous motor according to the embodiment of the present invention.
As it is shown in figure 1, the electromagnetic interference suppressing method of the permagnetic synchronous motor of the embodiment of the present invention, comprise the following steps:
S1, by the random carrier cycle that changes to produce the SVPWM control signal of switching frequency change at random.
Should be appreciated that different carrier cycles can the SVPWM control signal of corresponding different switching frequencies.As in figure 2 it is shown, work as
When carrier cycle is reduced to T2 by T1, in SVPWM control signal, the action time of each voltage vector reduces therewith, i.e. switch lock
Rate correspondence changes.Therefore, in an embodiment of the present invention, carrier cycle can be controlled in preset range based on SVPWM principle
Phase change at random, then the switching frequency of SVPWM control signal also can change at random.
S2, enters the inverter switching device pipe in electric machine controller according to the SVPWM control signal of switching frequency change at random
Row controls, with the electromagnetic interference suppressing electric machine controller to produce when driving permagnetic synchronous motor.
In one embodiment of the invention, the electromagnetic interference that electric machine controller produces when driving permagnetic synchronous motor can be wrapped
Include radiation interference and coupled interference.
Usually, electromagnetic noise during electric machine controller driving permagnetic synchronous motor and the switch lock of SVPWM control signal
Rate has direct relation.Specifically, if switching frequency is narrow bandwidth functions, electromagnetic noise can behave as according to certain rule weight
The coloured noise of multiple change, electromagnetic noise is mainly distributed near the integral multiple of switching frequency, especially the brightest with even number frequency multiplication
Aobvious.Therefore, in an embodiment of the present invention, can be according to the SVPWM control signal of switching frequency change at random to inverter switching device
Pipe is controlled the harmonic noise frequency spectrum near with broadening carrier frequency and two times of carrier frequencies so that electric machine controller drives forever
Electromagnetic noise during magnetic-synchro motor changes into band-limited white noise, by reducing noise amplitude to suppress electric machine controller
The electromagnetic interference produced when driving permagnetic synchronous motor.
Fig. 3 is the oscillogram of motor lines voltage in correlation technique, and wherein, this line voltage is by according to switching frequency fixed bit
Inverter switching device pipe in electric machine controller is controlled and produces by the pwm control signal of 6.3kHz.To the motor in Fig. 3
After line voltage carries out FFT, obtain the spectrogram shown in Fig. 4.As shown in Figure 4, electric machine controller drives permagnetic synchronous motor
Time electromagnetic noise distribution with switching frequency have direct relation, the integral multiple that electromagnetic noise is mainly distributed on switching frequency is attached
Closely, especially the most obvious near even number frequency multiplication.
Fig. 5 is the oscillogram of the motor lines voltage according to the embodiment of the present invention, and wherein, this line voltage is by according to switching frequency
Inverter switching device pipe in electric machine controller is controlled and produces by the SVPWM control signal of change at random.To in Fig. 5
After motor lines voltage carries out FFT, obtain the spectrogram shown in Fig. 6.As shown in Figure 6, in an embodiment of the present invention, motor
Controller drives electromagnetic noise distribution during permagnetic synchronous motor to there is no direct relation with switching frequency, and electromagnetic noise
Amplitude is the least.
The electromagnetic interference suppressing method of permagnetic synchronous motor according to embodiments of the present invention, by switching frequency change at random
SVPWM control signal the inverter switching device pipe in electric machine controller is controlled, it is possible to effectively suppression electric machine controller drives
The electromagnetic interference produced during dynamic permagnetic synchronous motor.
For realizing the electromagnetic interference suppressing method of the permagnetic synchronous motor of above-described embodiment, the present invention also proposes a kind of permanent magnetism
The device for restraining electromagnetic interference of synchronous motor.
As it is shown in fig. 7, the device for restraining electromagnetic interference of the permagnetic synchronous motor of the embodiment of the present invention, produce mould including signal
Block 10 and control module 20.
Wherein, signal generator module 10 is for by changing carrier cycle at random to produce switching frequency change at random
SVPWM control signal.Control module 20 is used for the SVPWM control signal according to switching frequency change at random in electric machine controller
Inverter switching device pipe be controlled, with suppress electric machine controller drive permagnetic synchronous motor time produce electromagnetic interference.
Should be appreciated that different carrier cycles can the SVPWM control signal of corresponding different switching frequencies.As in figure 2 it is shown, work as
When carrier cycle is reduced to T2 by T1, in SVPWM control signal, the action time of each voltage vector reduces therewith, i.e. switch lock
Rate correspondence changes.Therefore, in an embodiment of the present invention, carrier cycle can be controlled in preset range based on SVPWM principle
Phase change at random, then the switching frequency of SVPWM control signal also can change at random.
In one embodiment of the invention, the electromagnetic interference that electric machine controller produces when driving permagnetic synchronous motor can be wrapped
Include radiation interference and coupled interference.
Usually, electromagnetic noise during electric machine controller driving permagnetic synchronous motor and the switch lock of SVPWM control signal
Rate has direct relation.Specifically, if switching frequency is narrow bandwidth functions, electromagnetic noise can behave as according to certain rule weight
The coloured noise of multiple change, electromagnetic noise is mainly distributed near the integral multiple of switching frequency, especially the brightest with even number frequency multiplication
Aobvious.Therefore, in an embodiment of the present invention, control module 20 can be according to the SVPWM control signal pair of switching frequency change at random
Inverter switching device pipe is controlled the harmonic noise frequency spectrum near with broadening carrier frequency and two times of carrier frequencies so that motor control
Device processed drives electromagnetic noise during permagnetic synchronous motor to change into band-limited white noise, by reducing noise amplitude with suppression
The electromagnetic interference that electric machine controller produces when driving permagnetic synchronous motor.
Fig. 3 is the oscillogram of motor lines voltage in correlation technique, and wherein, this line voltage is by according to switching frequency fixed bit
Inverter switching device pipe in electric machine controller is controlled and produces by the pwm control signal of 6.3kHz.To the motor in Fig. 3
After line voltage carries out FFT, obtain the spectrogram shown in Fig. 4.As shown in Figure 4, electric machine controller drives permagnetic synchronous motor
Time electromagnetic noise distribution with switching frequency have direct relation, the integral multiple that electromagnetic noise is mainly distributed on switching frequency is attached
Closely, especially the most obvious near even number frequency multiplication.
Fig. 5 is the oscillogram of the motor lines voltage according to the embodiment of the present invention, and wherein, this line voltage is by according to switching frequency
Inverter switching device pipe in electric machine controller is controlled and produces by the SVPWM control signal of change at random.To in Fig. 5
After motor lines voltage carries out FFT, obtain the spectrogram shown in Fig. 6.As shown in Figure 6, in an embodiment of the present invention, motor
Controller drives electromagnetic noise distribution during permagnetic synchronous motor to there is no direct relation with switching frequency, and electromagnetic noise
Amplitude is the least.
The device for restraining electromagnetic interference of permagnetic synchronous motor according to embodiments of the present invention, signal generator module is by random
Changing the carrier cycle SVPWM control signal with generation switching frequency change at random, control module becomes at random according to switching frequency
Inverter switching device pipe in electric machine controller is controlled by the SVPWM control signal changed, it is possible to effectively suppress electric machine controller
The electromagnetic interference produced when driving permagnetic synchronous motor.
Corresponding above-described embodiment, the present invention also proposes a kind of electric machine controller.
The electric machine controller of the embodiment of the present invention, including the electromagnetism of the permagnetic synchronous motor that the above embodiment of the present invention proposes
Interference rejection unit, its specific embodiment can refer to above-described embodiment, for avoiding redundancy, does not repeats them here.
Electric machine controller according to embodiments of the present invention, it is possible to the electromagnetism that effectively suppression produces when driving permagnetic synchronous motor
Interference.
Corresponding above-described embodiment, the present invention also proposes a kind of electric vehicle.
The electric vehicle of the embodiment of the present invention, the electromagnetism including the permagnetic synchronous motor of the above embodiment of the present invention proposition is done
Disturbing restraining device, its specific embodiment can refer to above-described embodiment, does not repeats them here.
Electric vehicle according to embodiments of the present invention, the electromagnetic interference that its electric machine controller produces when driving permagnetic synchronous motor
Less.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. the electromagnetic interference suppressing method of a permagnetic synchronous motor, it is characterised in that comprise the following steps:
By the random carrier cycle that changes to produce the SVPWM control signal of switching frequency change at random；
Inverter switching device pipe in electric machine controller is controlled by the SVPWM control signal according to described switching frequency change at random
System, with the electromagnetic interference suppressing electric machine controller to produce when driving described permagnetic synchronous motor.
The electromagnetic interference suppressing method of permagnetic synchronous motor the most according to claim 1, it is characterised in that based on SVPWM
Principle, controls described carrier cycle change at random in preset range.
The electromagnetic interference suppressing method of permagnetic synchronous motor the most according to claim 1, it is characterised in that open according to described
Described inverter switching device pipe is controlled with broadening carrier frequency and two times of loads by the SVPWM control signal closing frequency accidental change
Harmonic noise frequency spectrum near wave frequency, and by reducing noise amplitude to suppress described electric machine controller to drive described permanent magnetism same
The electromagnetic interference produced during step motor.
The electromagnetic interference suppressing method of permagnetic synchronous motor the most according to claim 1, it is characterised in that described motor control
The electromagnetic interference that device processed produces when driving described permagnetic synchronous motor includes radiation interference and coupled interference.
5. the device for restraining electromagnetic interference of a permagnetic synchronous motor, it is characterised in that including:
Signal generator module, for controlling letter by the random carrier cycle that changes with the SVPWM producing switching frequency change at random
Number；
Control module, is used for the SVPWM control signal according to described switching frequency change at random to the inversion in electric machine controller
Device switching tube is controlled, with the electromagnetic interference suppressing electric machine controller to produce when driving described permagnetic synchronous motor.
The device for restraining electromagnetic interference of permagnetic synchronous motor the most according to claim 5, it is characterised in that described signal produces
Raw module controls described carrier cycle change at random based on SVPWM principle in preset range.
The device for restraining electromagnetic interference of permagnetic synchronous motor the most according to claim 5, it is characterised in that described control mould
Block is further used for, and controls described inverter switching device pipe according to the SVPWM control signal of described switching frequency change at random
System is with the harmonic noise frequency spectrum near broadening carrier frequency and two times of carrier frequencies and described with suppression by reducing noise amplitude
The electromagnetic interference that electric machine controller produces when driving described permagnetic synchronous motor.
The device for restraining electromagnetic interference of permagnetic synchronous motor the most according to claim 5, it is characterised in that described motor control
The electromagnetic interference that device processed produces when driving described permagnetic synchronous motor includes radiation interference and coupled interference.
9. an electric machine controller, it is characterised in that include according to the permagnetic synchronous motor according to any one of claim 5-8
Device for restraining electromagnetic interference.
10. an electric vehicle, it is characterised in that include according to the permagnetic synchronous motor according to any one of claim 5-8
Device for restraining electromagnetic interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804716.6A CN106330011A (en) | 2016-09-05 | 2016-09-05 | Electromagnetic interference suppression method and device for motor, motor controller and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804716.6A CN106330011A (en) | 2016-09-05 | 2016-09-05 | Electromagnetic interference suppression method and device for motor, motor controller and electric vehicle |
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| CN106330011A true CN106330011A (en) | 2017-01-11 |
Family
ID=57787448
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|---|---|---|---|
| CN201610804716.6A Pending CN106330011A (en) | 2016-09-05 | 2016-09-05 | Electromagnetic interference suppression method and device for motor, motor controller and electric vehicle |
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Cited By (5)
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| CN108005890A (en) * | 2017-11-22 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of permanent magnet synchronous motor carrier frequency control method and system |
| CN109150059A (en) * | 2018-09-05 | 2019-01-04 | 北京新能源汽车股份有限公司 | Control method and device for driving motor controller |
| CN109327132A (en) * | 2017-06-29 | 2019-02-12 | 翰昂汽车零部件有限公司 | Method for manipulating the power semiconductor in inverter |
| WO2022134266A1 (en) * | 2020-12-24 | 2022-06-30 | 宁德时代新能源科技股份有限公司 | Control method and apparatus, power system and electric vehicle |
| US11418143B2 (en) | 2020-12-24 | 2022-08-16 | Contemporary Amperex Technology Co., Limited | Control method and apparatus, power system, and electric vehicle |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109327132A (en) * | 2017-06-29 | 2019-02-12 | 翰昂汽车零部件有限公司 | Method for manipulating the power semiconductor in inverter |
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| WO2022134266A1 (en) * | 2020-12-24 | 2022-06-30 | 宁德时代新能源科技股份有限公司 | Control method and apparatus, power system and electric vehicle |
| US11418143B2 (en) | 2020-12-24 | 2022-08-16 | Contemporary Amperex Technology Co., Limited | Control method and apparatus, power system, and electric vehicle |
| EP4046862A4 (en) * | 2020-12-24 | 2022-08-24 | Contemporary Amperex Technology Co., Limited | CONTROL METHOD AND DEVICE, POWER SYSTEM AND ELECTRIC VEHICLE |
| EP4067161A4 (en) * | 2020-12-24 | 2023-07-19 | Contemporary Amperex Technology Co., Limited | CONTROL METHOD, DEVICE, POWER SYSTEM AND ELECTRICAL VEHICLE |
| US12249945B2 (en) | 2020-12-24 | 2025-03-11 | Contemporary Amperex Technology (Hong Kong) Limited | Control method, device, power system and electric vehicle |
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