CN104467232B - Motor and its control device - Google Patents
Motor and its control device Download PDFInfo
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- CN104467232B CN104467232B CN201410057247.7A CN201410057247A CN104467232B CN 104467232 B CN104467232 B CN 104467232B CN 201410057247 A CN201410057247 A CN 201410057247A CN 104467232 B CN104467232 B CN 104467232B
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- phase
- winding
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- control device
- frequency converter
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- 238000004804 winding Methods 0.000 claims abstract description 71
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 230000009471 action Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
- H02P25/182—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays whereby the speed is regulated by using centrifucal devices, e.g. switch, resistor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
- B60L2220/58—Structural details of electrical machines with more than three phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
Control device of electric motor according to the present invention, it is characterised in that including：Battery；Frequency converter, the power conversion of the battery into 3 phase power supplys, implements 2 kinds of scheme controls；3 phase engines, are realized by 2 kinds of scheme controls and driven；And parallel circuit, connect the frequency converter and engine.According to the present invention, the control of 2 kinds of patterns can be carried out, i.e. hair-pin winding is designed to 2 sections, when torque capacity exports, counter electromotive force is improved by using whole windings, and in scorch region, the half of winding is only used, counter electromotive force is reduced half.
Description
Technical field
The present invention relates to electric vehicles motor actuation techniques, in more detail, are related to a kind of motor and its control
Hair-pin winding, is designed to 2 sections, can be controlled using both of which by device, i.e., whole windings are used when torque capacity exports
And counter electromotive force is improved, and in scorch region, half winding only is used, counter electromotive force is reduced half.
Background technology
For environment of preserving our planet, the use of the internal combustion engine as pernicious gas occurring source has been sublated, has utilized nuisanceless power
Source, that is, electric power and drive the electric automobile (electric vehicle) of vehicle to get most of the attention.
In general, electric automobile mainly refers to power drives AC or the DC engine using battery and obtains the automobile of power.
Multiple technologies are developed for practical this electric automobile, wherein especially flourishing is engine/control technology, develop height
Output, small-sized, efficient system, especially carry out various research and development in terms of motor.
This Motors used in EV, in order under specific cell voltage meet demand performance, it is necessary to which MTPA (often pacifies
Train torque capacity Maximum Torque Per Ampere) and FW (weak magnetic flux Flux Weakening) controls.
Also, during design driven machine, it is contemplated that voltage and current configures, it is necessary to is related to zero load counter electromotive force.Scheme in Fig. 1
The flow chart of this zero load counter electromotive force design concept of presentation is shown.
But if according to this design concept, zero load counter electromotive force is designed to height, can cause some problems, is such as limiting
It cannot meet the performance in scorch region under fixed voltage or cause the increase of copper loss because of the increase of weak boundary's magnetoelectricity stream.
Unlike this, if zero load counter electromotive force is designed to low, the maximum electricity of acquisition torque capacity untill basal rate
Stream can increase, and cannot meet torque capacity under the electric current configuration that can cause to limit or reduce efficiency etc. because of the increase of copper loss to ask
Topic.
（First patent document）
1. KR published patent numbering the 10-2009-0034735th
2. KR published patent numbering the 10-2012-0074580th
3. KR published patent numbering the 10-2013-0080630th
The content of the invention
（Technical problems to be solved）
It is an object of the present invention in order to solve the problems, such as above-mentioned background technology point, there is provided a kind of motor and its control
The 3 phase engines for being applicable in hairpin, are designed to 2 sections by device, can according to demand performance carry out 1 pattern winding half (high speed is low
Torque driver area) or 2 kinds of patterns such as all windings of 2 patterns (low-speed high-torque driver area) control.
Also, another object of the present invention is to provide a kind of motor and its control device, start in vehicle driving
2 sections of hair-pin winding are applicable on machine.
Also, another object of the present invention is to provide a kind of motor and its control device, in order in each control model
Meet demand performance and reduce input current.
Also, another object of the present invention is to provide a kind of motor and its control device, reduce and be used to insert from one
Groove gives the quantity of wire jumper needed for another slot common mode current.
（The means solved the problems, such as）
The present invention is in order to complete the above subject, there is provided a kind of motor and its control device, start 3 phases for being applicable in hairpin
Machine is designed to 2 sections, the half (high speed low torque driver area) of 1 pattern winding of performance progress or 2 patterns can own according to demand
The control of 2 kinds of patterns such as winding (low-speed high-torque driver area).
The motor is characterized in that, is applicable in the electric motor for vehicle of hair-pin winding mode, the hairpin shape around
3 phase windings of group are in order to support 2 patterns, using 2 sections of configurations.
In addition, another embodiment of the present invention provides a kind of control device of electric motor, including：Battery；Frequency converter, described in
The power conversion of battery implements 2 kinds of scheme controls into 3 phase power supplys；3 phase engines, are realized by 2 kinds of scheme controls and driven
It is dynamic；And parallel circuit, connect the frequency converter and engine.
It is characterized in that, 2 pattern is high speed low torque driver area pattern and low-speed high-torque driver area pattern.
Another feature is that the hair-pin winding of the 3 phase engine is arranged to 2 sections, in low-speed high-torque driver area
Use whole windings.
Another feature is that the hair-pin winding of the 3 phase engine is arranged to 2 sections, in high speed low torque driver area
Use half winding.
Another feature is that in 3 phase windings of the hair-pin winding, half is configured in a slot, remaining 3 phase winding
Configuration is in another slot.
Another feature is that in 3 phase windings of the hair-pin winding, half configures the half in a slot, remaining 3
Phase winding configures the other half in a slot.
Another feature is that in the parallel circuit, the circuit of output terminal of each phase of frequency converter uses 2 parallel circuits -1
On-off mode.
Another feature is that the 1st circuit of 2 parallel circuit is connected to the half of the winding on the 3 phase engine；
2nd circuit of 2 parallel circuit is connected to the other half of the winding on the 3 phase engine.
（The effect of invention）
According to the present invention, the control of 2 kinds of patterns can be carried out, i.e. hair-pin winding is designed to 2 sections, it is defeated in torque capacity
When going out, counter electromotive force is improved by using whole windings, and in scorch region, the half of winding is only used, is made inverse electronic
Potential drop is at half.
Also, the present invention's further effect is that, construct 2 in parallel/1 open relation in the respective circuit of output terminal of frequency converter
System, according to required configuration on/off switch, using the engine winding of half/whole, not only in low-speed high-torque region,
And it can also increase efficiency in scorch region.
Also, the present invention's further effect is that, by designing higher zero load counter electromotive force, during increase MTPA controls
Efficiency, reduce counter electromotive force in High Speed Field, reduce copper loss.
Also, the present invention further effect is that, the number by reducing welding sequence simplifies process, can also reduce slotting
The quantity of the common mode wire jumper of groove and leap slot.
Brief description of the drawings
Fig. 1 is the flow chart that common zero load counter electromotive force design concept is presented.
Fig. 2 is the composition of the control device of electric motor of -3 phase/2 kind pattern of 1 frequency converter in an embodiment according to the present invention
Figure.
The frequency converter 220 of the control device of electric motor 200 illustrated in Fig. 2 and the figure of the structure of engine 230 is presented in Fig. 3.
Fig. 4 is the figure for 1 pattern that the control device of electric motor 200 illustrated in Fig. 2 is presented.
Fig. 5 is the figure for the action that frequency converter and engine are presented according to 1 pattern illustrated in Fig. 4.
Fig. 6 is the figure for the example that the half that winding is only used according to Fig. 4 to Fig. 5 is presented.
Fig. 7 is the figure for 2 patterns that the control device of electric motor 200 illustrated in Fig. 2 is presented.
Fig. 8 is the figure for the action that frequency converter and engine are presented according to 2 patterns illustrated in Fig. 7.
Fig. 9 is the figure presented according to Fig. 7 to Fig. 8 using the example of whole windings.
Figure 10 is the figure of an example for the hair-pin winding that an embodiment according to the present invention is presented.
Figure 11 is that the chart that 2 sections of windings and the control electric current of reduction are applicable in an embodiment according to the present invention is presented.
Figure 12 is to present in an embodiment according to the present invention to carry efficient figure because phase resistance reduces.
The explanation of symbol
200:Control device of electric motor
210:Battery
220:Frequency converter
230:3 phase engines
310,311,320,321,330,331:Parallel circuit
311-1,321-1,331-1:Switch
610,910,1010:Winding
620,920,1020:Stator core
1000:Slot
1000-1:Upper slot
1000-2:Lower slot
Embodiment
The present invention can carry out numerous variations, can have various embodiments, illustrate specific embodiment below by attached drawing and have
Body explanation.But this is not intended to the present invention to be limited to particular implementation form, it is thus understood that as long as belong to inventive concept and
The having altered of technical scope, equipollent to substitute, are included.
When illustrating each attached drawing, it is similarly comprised key element and has used similar reference marks.
1st, the term such as 2nd can be used for illustrating a variety of inscapes, but the inscape should not be limited by the term
System.The term is intended only as distinguishing a kind of inscape from other inscapes.
For example, in the case of not departing from interest field of the present invention, the 1st inscape can be named as the 2nd inscape, with this
Similar, the 2nd inscape can also be named as the 1st inscape." and/or " etc. term refer to the combinations of multiple related record projects
An or project in multiple related record projects
In addition to distinguishing and defining, including technology and scientific words, all terms used herein can generally be sent out by this
The people that bright technical field has general knowledge is understood.
The usually used term identical with dictionary definition be interpreted as with the context of correlation technique possessed by look like phase
Unanimously, as long as being not exactly defined in the application, the meaning that is abnormal or being too partial on its surface is not answered.
In the following, the control device of electric motor and method of an embodiment according to the present invention is explained in detail with reference to the accompanying drawings.
Fig. 2 is the composition of the control device of electric motor of -3 phase/2 kind pattern of 1 frequency converter in an embodiment according to the present invention
Figure.With reference to Fig. 2, the control device of electric motor 200 includes：Battery 210；Frequency converter 220, becomes the power supply of the battery 210
Change 3 phase power supplys into, implement 2 kinds of scheme controls；3 phase engines 230, are realized by 2 kinds of scheme controls and driven；And electricity in parallel
Road（Illustrated in Fig. 3）, connect the frequency converter 220 and engine 230.
Battery 210 is made of battery unit series connection (not shown) and/or parallel connection, which can be nickel metal electricity
The hybrid batteries such as pond, lithium ion battery.In order to make it easy to understand, being typically illustrated as battery in one embodiment of the invention.
3 phase engines 230 are electric vehicles engines, are applicable in 2 sections of hair-pin winding.This is to control MTPA (every
Ampere torque capacity Maximum Torque Per Ampere) when reduce weak boundary's magnetic control electric current.
Further, it is to reduce weak boundary's magnetic control electric current during FW (weak magnetic flux Flux Weakening) to control.
Illustrate, electric vehicle there are hybrid vehicle (Hybrid Electric Vehicle;HEV), electric automobile
(Electric Vehicle;EV), pluggable hybrid electric vehicle (PlugIn Hybrid Vehicle;PIHV) etc..Mixing is dynamic
The power source of power automobile is in addition to engine, also with electrically driven (operated) engine.
The frequency converter 220 of the control device of electric motor 200 illustrated in Fig. 2 and the figure of the structure of engine 230 is presented in Fig. 3.
With reference to Fig. 3, constitute from the parallel circuit 310,311,320,321,330,331 of the phase of frequency converter 220 to 3 engine 230 and/or
Switch 311-1,321-1,331-1 etc..
If supplementary notes, 3 phase engines 230 have 3 phase A1, A2, B1, B2, C1, C2, and the 3 of this 3 phase engine 230
Mutually connected with frequency converter 220 by parallel circuit 310,311,320,321,330,331.
That is, company is passed through by 2 parallel circuit 310,311 in series, the half of winding to the circuit of 3 phase engine 230A phases
3 phase engine 230A1 phases are connected to, are thus connected to frequency converter 220A1.
Also, the half of remaining engine winding is connected to frequency converter 220A2 from 3 phase engine 230A2.
Also, 3 phase engine, 230/ frequency converter 220A2 phases have switch 311-1, and performance, can implement to close according to demand
Switch the action of (pattern 1)/unlatching switch (pattern 2).
If illustrating to understand, 2 parallel circuits have the 1st parallel circuit 310 and the 2nd parallel circuit 311, and the 2nd simultaneously
Joining circuit 311 has the 1st switch 311-1.
Therefore, when the 1st switch 311-1 is in switch closed mode, power supply supply will not be obtained at the 2nd parallel circuit 311.
Therefore 3 phase engine, 230 half using winding.This is high speed low torque driver area, illustrates 1 pattern.
The connection of remaining B1, B2, C1, C2 phase illustrates equally, to connect identically with A phases also described above, and with the 2nd switch
321-1, the 3rd switch 331-1.
Fig. 4 is the figure for 1 pattern that the control device of electric motor 200 illustrated in Fig. 2 is presented.With reference to Fig. 4,1 pattern only uses
The half of engine winding, system requirements performance are applicable in when being high speed low torque driver area pattern.Therefore, from frequency converter 220
The one side for flowing into 3 phase power supplys of 3 phase engines 230 is cut off, and only flows into remaining one side.
Fig. 5 is the figure for the action that frequency converter and engine are presented according to 1 pattern illustrated in Fig. 4.With reference to Fig. 5, the 1st opens
It is entirely the state closed to close 311-1 to the 3rd and switch 331-1.Therefore, electric current flowing 510 is only in the parallel circuit on one side
310th, formed on 320,330.
Fig. 6 is the figure for the example that the half that winding is only used according to Fig. 4 to Fig. 5 is presented.With reference to Fig. 6, in stator core 620
The half of winding 610 is only used.
Fig. 7 is the figure for 2 patterns that the control device of electric motor 200 illustrated in Fig. 2 is presented.With reference to Fig. 7, from frequency converter 220
The 3 phase power supplys for flowing into 3 phase engines 230 are flowed into both sides.
Fig. 8 is the figure for the action that frequency converter and engine are presented according to 2 patterns illustrated in Fig. 7.With reference to Fig. 8, the 1st opens
It is entirely the state for opening (on) to close 311-1 to the 3rd and switch 331-1.Therefore, parallel circuit of the electric current flowing 810 on both sides
310th, formed on 311,320,321,330,331.
Fig. 9 is the figure presented according to Fig. 7 to Fig. 8 using the example of whole windings.With reference to Fig. 9, used in stator core 920
The whole of winding 910.
Figure 10 is the figure of an example for the hair-pin winding that an embodiment according to the present invention is presented.With reference to Figure 10, Figure 10（a）
One 3 phase winding 1010 is configured an established slot 1000 in stator core 1020, remaining 3 phase windings configuration is existed
Other slots.If additional information, a slot 1000 is by the upper slot 1000-1 for being respectively divided into 1/2 and lower slot 1000-2 structures
Into the wholes of 3 phase windings is configured with this on slot and lower slot.
Figure 10（b）It is to utilize according to Figure 10（a）Winding, used the example 1011 of 2 patterns of whole 3 phase windings.Cause
This, 2 slots are all used in 3 phases.For example, 1 pattern is to have used the 30 of winding to enclose (turn), 2 patterns have used winding
60 circles.
With Figure 10（a）Difference, Figure 10（c）One 3 phase winding 1010 is configured established one in stator core 1020
On the i.e. lower slot 1000-2 of the half of a slot 1000, remaining 3 phase windings configuration is inserted on the other half of slot 1000 is
On groove 1000-1.
Figure 10（d）It is to utilize according to Figure 10（c）Winding, used the example 1014 of 2 patterns of whole 3 phase windings.
Figure 11 is that the chart that 2 sections of windings and the control electric current of reduction are applicable in an embodiment according to the present invention is presented.Ginseng
According to Figure 11, be applicable in scorch region 2 sections of windings as a result, weak boundary's magnetic control electric current is reduced, and compared to existing model, is improved
Efficiency.If additional information, applicable 2 sections of windings are front/rear, meet that the electric current of same performance is reduced.
Figure 12 is to present in an embodiment according to the present invention to carry efficient figure because phase resistance reduces.Reference Figure 12,
When only using the half of winding, efficiency is improved because of the reduction of phase resistance.
Claims (5)
- A kind of 1. control device of electric motor, it is characterised in that：IncludingBattery；Frequency converter, the power conversion of the battery into 3 phase power supplys, implements 2 kinds of scheme controls；3 phase engines, are realized by 2 kinds of scheme controls and driven；And parallel circuit, the frequency converter and engine are connected,In the parallel circuit, the circuit of output terminal of each phase of frequency converter uses -1 on-off mode of 2 parallel circuit,1st circuit of 2 parallel circuit is connected to the half of the winding on the 3 phase engine；The of 2 parallel circuit 2 circuits are connected to the other half of the winding on the 3 phase engine,2 kinds of patterns are high speed low torque driver area pattern and low-speed high-torque driver area pattern.
- 2. control device of electric motor according to claim 1, it is characterised in that：The hair-pin winding of the 3 phase engine is arranged to 2 sections, and whole windings are used in low-speed high-torque driver area.
- 3. control device of electric motor according to claim 1, it is characterised in that：The hair-pin winding of the 3 phase engine is arranged to 2 sections, and half winding is used in high speed low torque driver area.
- 4. the control device of electric motor according to Claims 2 or 3, it is characterised in that：In 3 phase windings of the hair-pin winding, half configuration is configured in another slot in a slot, remaining 3 phase winding.
- 5. the control device of electric motor according to Claims 2 or 3, it is characterised in that：In 3 phase windings of the hair-pin winding, half configures the half in a slot, remaining 3 phase winding is configured at one The other half of slot.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130110985A KR20150031597A (en) | 2013-09-16 | 2013-09-16 | Electric motor and Apparatus for controlling the same |
| KR10-2013-0110985 | 2013-09-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104467232A CN104467232A (en) | 2015-03-25 |
| CN104467232B true CN104467232B (en) | 2018-05-01 |
Family
ID=52912799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410057247.7A Active CN104467232B (en) | 2013-09-16 | 2014-02-20 | Motor and its control device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20150031597A (en) |
| CN (1) | CN104467232B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102490606B1 (en) * | 2015-11-26 | 2023-01-19 | 현대모비스 주식회사 | Motor controlling system and operating method for vehicle |
| KR102524048B1 (en) * | 2021-09-28 | 2023-04-21 | (주)루슨트코리아 | Motor that can change velocity and efficiency range due to change of velocity |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003111492A (en) * | 2001-10-03 | 2003-04-11 | Yaskawa Electric Corp | Coil switching device for three-phase ac motor |
| CN102290940A (en) * | 2010-06-18 | 2011-12-21 | 艾默生电气公司 | 3T-Y winding connection of three-phase multi-speed motor |
| CN103248313A (en) * | 2012-02-03 | 2013-08-14 | 株式会社安川电机 | Rotary electric machine system |
-
2013
- 2013-09-16 KR KR20130110985A patent/KR20150031597A/en not_active Application Discontinuation
-
2014
- 2014-02-20 CN CN201410057247.7A patent/CN104467232B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003111492A (en) * | 2001-10-03 | 2003-04-11 | Yaskawa Electric Corp | Coil switching device for three-phase ac motor |
| CN102290940A (en) * | 2010-06-18 | 2011-12-21 | 艾默生电气公司 | 3T-Y winding connection of three-phase multi-speed motor |
| CN103248313A (en) * | 2012-02-03 | 2013-08-14 | 株式会社安川电机 | Rotary electric machine system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150031597A (en) | 2015-03-25 |
| CN104467232A (en) | 2015-03-25 |
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