CN104467232A - Electric motor and control device of same - Google Patents

Electric motor and control device of same Download PDF

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Publication number
CN104467232A
CN104467232A CN201410057247.7A CN201410057247A CN104467232A CN 104467232 A CN104467232 A CN 104467232A CN 201410057247 A CN201410057247 A CN 201410057247A CN 104467232 A CN104467232 A CN 104467232A
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CN
China
Prior art keywords
phase
winding
control device
electric motor
slot
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Granted
Application number
CN201410057247.7A
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Chinese (zh)
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CN104467232B (en
Inventor
金龙浩
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Hyundai Mobis Co Ltd
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Hyundai Mobis Co Ltd
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Publication of CN104467232A publication Critical patent/CN104467232A/en
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Publication of CN104467232B publication Critical patent/CN104467232B/en
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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

An electric motor control device of the invention is characterized by comprising a battery, a converter converting the power supply of the battery into three-phase power supply to conduct two types of mode control, a three-phase engine driven by the two types of mode control, and a parallel-connection circuit connecting the converter and the engine. According to the invention, two types of mode control can be achieved; a hairpin winding is formed by two sections; during the maximum torque output, reverse electricity kinetic potential can be improved via all the windings; and in a high speed driving area, a half of the winding is used and the reverse electricity kinetic potential can be reduced by a half.

Description

Motor and control device thereof
Technical field
The present invention relates to electric vehicles motor driven technology, in more detail, relate to a kind of motor and control device thereof, hair-pin winding is designed to 2 sections, two kinds of Schema control can be used, use whole winding and improve counter electromotive force when namely breakdown torque exports, and in scorch region, only use half winding, counter electromotive force is reduced half.
Background technology
For environment of preserving our planet, sublate as the use of the internal combustion engine of pernicious gas occurring source, utilized nuisanceless power source and electric power and drive the electric automobile of vehicle (electric vehicle) to get most of the attention.
Usually, electric automobile mainly refers to utilize the power drives AC of battery or DC engine and obtains the automobile of power.For practical this electric automobile and develop multiple technologies, wherein flourishing is especially engine/control technology, develop highly to export, the system that small-sized, efficiency is high, in motor, especially carry out various research and development.
This Motors used in EV, in order to satisfy the demands performance under specific cell voltage, needs MTPA (maximum torque per ampere Maximum Torque Per Ampere) and FW (weak magnetic flux FluxWeakening) to control.
Further, during design driven machine, consider that electric current and voltage configures, be necessary to relate to zero load counter electromotive force.The flow chart presenting this zero load counter electromotive force design concept is illustrated in Fig. 1.
But if according to this design concept, zero load counter electromotive force designs high, can cause some problems, as the performance in scorch region can not be met or causes the increase of copper loss because of the increase of weak boundary magnetoelectricity stream under the voltage limited.
Unlike this, if zero load counter electromotive force designs low, the maximum current obtaining breakdown torque to basal rate can increase, and can not meet breakdown torque or the problem such as to lower efficiency because of the increase of copper loss under causing the current arrangements limited.
(at first patent documentation)
1. No. 10-2009-0034735th, KR published patent numbering
2. No. 10-2012-0074580th, KR published patent numbering
3. No. 10-2013-0080630th, KR published patent numbering
Summary of the invention
(technical problem that will solve)
The object of the invention is to, in order to solve the problem points of above-mentioned background technology, a kind of motor and control device thereof are provided, the 3 phase engine design being suitable for hairpin are become 2 sections, performance can carry out the control of 2 kinds of patterns such as half (high speed low torque driver area) or all windings of 2 patterns (low-speed high-torque driver area) of 1 pattern winding according to demand.
Further, another object of the present invention is to provide a kind of motor and control device thereof, vehicle use driving engine is suitable for 2 sections of hair-pin winding.
Further, another object of the present invention is to provide a kind of motor and control device thereof, reducing input current to satisfy the demands performance in each control model.
Further, another object of the present invention is to provide a kind of motor and control device thereof, reduce the quantity being used for giving wire jumper needed for another slot common mode current from a slot.
(means of dealing with problems)
The present invention is in order to complete above-mentioned problem, a kind of motor and control device thereof are provided, the 3 phase engine design being suitable for hairpin are become 2 sections, performance can carry out the control of 2 kinds of patterns such as half (high speed low torque driver area) or all windings of 2 patterns (low-speed high-torque driver area) of 1 pattern winding according to demand.
The feature of described motor is, is suitable in the electric motor for vehicle of hair-pin winding mode, and 3 phase windings of described hair-pin winding, in order to support 2 patterns, adopt 2 sections of configurations.
In addition, another embodiment of the present invention provides a kind of control device of electric motor, comprising: battery; Frequency converter, becomes 3 phase power supplys the power conversion of described battery, implements 2 kinds of Schema control; 3 phase engines, realize driving by described 2 kinds of Schema control; And parallel circuits, connect described frequency converter and engine.
It is characterized in that, described 2 patterns are high speed low torque driver area pattern and low-speed high-torque driver area pattern.
Another feature is, the hair-pin winding of described 3 phase engines is arranged to 2 sections, uses whole winding in low-speed high-torque driver area.
Another feature is, the hair-pin winding of described 3 phase engines is arranged to 2 sections, uses half winding in high speed low torque driver area.
Another feature is, in 3 phase windings of described hair-pin winding, half is configured in a slot, and all the other 3 phase windings are configured in another slot.
Another feature is, in 3 phase windings of described hair-pin winding, half is configured in the half of a slot, and all the other 3 phase windings are configured in the other half of a slot.
Another feature is, in described parallel circuits, the circuit of output terminal of each phase of described frequency converter adopts 2 parallel circuits-1 on-off modes.
Another feature is, the 1st circuit of described 2 parallel circuitss is connected to the half of the winding on described 3 phase engines; 2nd circuit of described 2 parallel circuitss is connected to the other half of the winding on described 3 phase engines.
(effect of invention)
According to the present invention, the control of 2 kinds of patterns can be carried out, that is, hair-pin winding is designed to 2 sections, when breakdown torque exports, by using whole winding to improve counter electromotive force, and in scorch region, only use the half of winding, making counter electromotive force reduce half.
Further, another effect of the present invention is, constructs 2 parallel connection/1 switching systems at frequency converter circuit of output terminal separately, according to required configuration on/off switch, use the engine winding of half/whole, not only in low-speed high-torque region, and also can increase efficiency in scorch region.
Further, another effect of the present invention is, by the zero load counter electromotive force that design is higher, increases efficiency when MTPA controls, decreases counter electromotive force, decrease copper loss at High Speed Field.
Further, another effect of the present invention is, simplifies operation by the number of times reducing welding sequence, also can reduce the quantity of the common mode wire jumper of slot and leap slot.
Accompanying drawing explanation
Fig. 1 is the flow chart presenting common zero load counter electromotive force design concept.
Fig. 2 is the pie graph according to the control device of electric motor of 1 frequency converter-3 phase/2 kind of pattern in one embodiment of the invention.
Fig. 3 presents the figure of the frequency converter 220 of illustrated control device of electric motor 200 and the structure of engine 230 in Fig. 2.
Fig. 4 is the figure of 1 pattern presenting illustrated control device of electric motor 200 in Fig. 2.
Fig. 5 is according to 1 pattern illustrated in Fig. 4, presents the figure of the action of frequency converter and engine.
Fig. 6 is the figure presenting the example only using the half of winding according to Fig. 4 to Fig. 5.
Fig. 7 is the figure of 2 patterns presenting illustrated control device of electric motor 200 in Fig. 2.
Fig. 8 is according to 2 patterns illustrated in Fig. 7, presents the figure of the action of frequency converter and engine.
Fig. 9 is the figure presenting the example using whole winding according to Fig. 7 to Fig. 8.
Figure 10 is the figure of an example of the hair-pin winding presented according to one embodiment of the invention.
Figure 11 is the chart presenting the control electric current reduced according to being suitable for 2 sections of windings in one embodiment of the invention.
Figure 12 presents the figure according to raising the efficiency because phase resistance reduces in one embodiment of the invention.
The explanation of symbol
200: control device of electric motor
210: battery
220: frequency converter
230:3 phase engine
310,311,320,321,330,331: parallel circuits
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, illustrates below by accompanying drawing exemplify certain embodiments.But this is not the present invention will be limited to particular implementation form, as long as be interpreted as belonging to all changes of inventive concept and technical scope, equipollent to sub, all included.
When each accompanying drawing is described, similar inscape employs similar reference marks.
1st, the term such as the 2nd can be used for illustrating multiple inscape, but described inscape not should limit by described term.Described term is just as distinguishing a kind of inscape from other inscapes.
Such as, when not departing from interest field of the present invention, the 1st inscape can called after the 2nd inscape, and similar, the 2nd inscape also can called after the 1st inscape." and/or " etc. term refer to a project in the combination of multiple relevant record project or multiple relevant record project
Except difference definition except, comprise technology and scientific words, all terms used herein generally can be had by the technical field of the invention the people of general knowledge understand.
The meaning that the normally used term identical with dictionary definition is interpreted as having with the context of correlation technique is consistent, as long as clearly do not define in the application, extremely or too should not be partial to the meaning on its surface.
Below, the detailed description of reference accompanying drawing is according to the control device of electric motor of one embodiment of the invention and method.
Fig. 2 is the pie graph according to the control device of electric motor of 1 frequency converter-3 phase/2 kind of pattern in one embodiment of the invention.With reference to Fig. 2, described control device of electric motor 200 comprises: battery 210; Frequency converter 220, becomes 3 phase power supplys the power conversion of described battery 210, implements 2 kinds of Schema control; 3 phase engines 230, realize driving by described 2 kinds of Schema control; And parallel circuits (illustrating in Fig. 3), connect described frequency converter 220 and engine 230.
Battery 210 is connected by battery unit (not shown) and/or parallel connection is formed, and this battery unit can be the hybrid batteries such as nickel metal battery, lithium ion battery.For the ease of understanding in one embodiment of the invention, be illustrated as battery typically.
3 phase engines 230 are electric vehicles engines, are suitable for hair-pin winding 2 sections.This reduces weak boundary magnetic control electric current in order to time control MTPA (maximum torque per ampere Maximum Torque Per Ampere).
Further, be reduce weak boundary magnetic control electric current in order to time control FW (weak magnetic flux Flux Weakening).
Illustrate, motor vehicle has hybrid vehicle (Hybrid Electric Vehicle; HEV), electric automobile (Electric Vehicle; EV), plug-in hybrid automobile (PlugIn HybridVehicle; PIHV) etc.The power source of hybrid vehicle, except engine, also has electrically driven (operated) engine.
Fig. 3 presents the figure of the frequency converter 220 of illustrated control device of electric motor 200 and the structure of engine 230 in Fig. 2.With reference to Fig. 3, constitute the parallel circuits 310,311,320,321,330,331 from frequency converter 220 to 3 phase engine 230 and/or switch 311-1,321-1,331-1 etc.
Supplementary notes, 3 phase engines 230 have 3 phase A1, A2, B1, B2, C1, C2, and 3 phases of this 3 phase engines 230 are connected by parallel circuits 310,311,320,321,330,331 with frequency converter 220.
That is, to the circuit of 3 phase engine 230A phases by 2 parallel circuitss 310,311 in series, the half of winding by being connected to 3 phase engine 230A1 phases, thus is connected to frequency converter 220A1.
Further, the half of remaining engine winding is connected to frequency converter 220A2 from 3 phase engine 230A2.
Further, 3 phase engine 230/ frequency converter 220A2 phases have switch 311-1, performance according to demand, can implement the action of closing switch (pattern 1)/opening switch (pattern 2).
Illustrate to understand, 2 parallel circuitss have the 1st parallel circuits 310 and the 2nd parallel circuits the 311,2nd parallel circuits 311 has the 1st switch 311-1.
Therefore, when the 1st switch 311-1 is in switch closed condition, the 2nd parallel circuits 311 place can not obtain power supply supply.Therefore 230,3 phase engine uses the half of winding.This is high speed low torque driver area, and 1 pattern is described.
The connection of all the other B1, B2, C1, C2 phases is also the same as described above, connects identically with A phase, and has the 2nd switch 321-1, the 3rd switch 331-1.
Fig. 4 is the figure of 1 pattern presenting illustrated control device of electric motor 200 in Fig. 2.With reference to Fig. 4,1 pattern only uses the half of engine winding, is suitable for when system requirements performance is high speed low torque driver area pattern.Therefore, flow into the cut-off of 3 phase power supplys of 3 phase engines 230 from frequency converter 220, only flow into remaining one side.
Fig. 5 is according to 1 pattern illustrated in Fig. 4, presents the figure of the action of frequency converter and engine.All the state of closedown to the 3rd switch 331-1 with reference to Fig. 5, the 1st switch 311-1.Therefore, current flowing 510 only parallel circuits 310,320,330 on formed.
Fig. 6 is the figure presenting the example only using the half of winding according to Fig. 4 to Fig. 5.With reference to Fig. 6, stator core 620 only employs the half of winding 610.
Fig. 7 is the figure of 2 patterns presenting illustrated control device of electric motor 200 in Fig. 2.With reference to Fig. 7, the 3 phase power supplys flowing into 3 phase engines 230 from frequency converter 220 flow into both sides.
Fig. 8 is according to 2 patterns illustrated in Fig. 7, presents the figure of the action of frequency converter and engine.All the state of unlatching (on) to the 3rd switch 331-1 with reference to Fig. 8, the 1st switch 311-1.Therefore, current flowing 810 is formed on the parallel circuits 310,311,320,321,330,331 on both sides.
Fig. 9 is the figure presenting the example using whole winding according to Fig. 7 to Fig. 8.With reference to Fig. 9, stator core 920 employs the whole of winding 910.
Figure 10 is the figure of an example of the hair-pin winding presented according to one embodiment of the invention.With reference to Figure 10, Figure 10 (a), 3 phase windings 1010 are configured in an established slot 1000 in stator core 1020, residue 3 phase windings are configured in other slots.Annotated words, a slot 1000 is made up of the upper slot 1000-1 and lower slot 1000-2 being respectively divided into 1/2, and slot and lower slot are configured with the whole of 3 phase windings for this.
Figure 10 (b) utilizes the winding according to Figure 10 (a), employs the example 1011 of 2 patterns of whole 3 phase windings.Therefore, 2 slots are all used in 3 phases.Such as, 1 pattern is the use of 30 circles (turn) of winding, and 2 patterns are the use of 60 circles of winding.
Different from Figure 10 (a), Figure 10 (c) namely descends the half that 3 phase windings 1010 are configured in an established slot 1000 in stator core 1020 on slot 1000-2, and namely other half residue 3 phase winding being configured in slot 1000 goes up on slot 1000-1.
Figure 10 (d) utilizes the winding according to Figure 10 (c), employs the example 1014 of 2 patterns of whole 3 phase windings.
Figure 11 is the chart presenting the control electric current reduced according to being suitable for 2 sections of windings in one embodiment of the invention.With reference to Figure 11, be suitable for the result of 2 sections of windings in scorch region, weak boundary magnetic control electric current is reduced, and compares existing model, improves efficiency.Annotated words, be suitable for 2 sections of windings front/rear, the electric current meeting identical performance is reduced.
Figure 12 presents the figure according to raising the efficiency because phase resistance reduces in one embodiment of the invention.With reference to Figure 12, only use a half of winding, improve efficiency because of the minimizing of phase resistance.

Claims (12)

1. a motor, as the electric motor for vehicle being suitable for hair-pin winding mode, is characterized in that:
3 phase windings of described hair-pin winding are for supporting that 2 kinds of patterns are configured to 2 sections.
2. motor according to claim 1, is characterized in that:
Described 2 kinds of patterns are high speed low torque driver area pattern and low-speed high-torque driver area pattern.
3. motor according to claim 1, is characterized in that:
In 3 phase windings of described hair-pin winding, half is configured in a slot, and all the other 3 phase windings are configured in another slot.
4. motor according to claim 1, is characterized in that:
In 3 phase windings of described hair-pin winding, half is configured in the half of a slot, and all the other 3 phase windings are configured in the other half of a slot.
5. a control device of electric motor, is characterized in that: comprise
Battery;
Frequency converter, becomes 3 phase power supplys the power conversion of described battery, implements 2 kinds of Schema control;
3 phase engines, realize driving by described 2 kinds of Schema control;
And parallel circuits, connect described frequency converter and engine.
6. control device of electric motor according to claim 5, is characterized in that:
Described 2 kinds of patterns are high speed low torque driver area pattern and low-speed high-torque driver area pattern.
7. control device of electric motor according to claim 6, is characterized in that:
The hair-pin winding of described 3 phase engines is arranged to 2 sections, uses whole winding in low-speed high-torque driver area.
8. control device of electric motor according to claim 6, is characterized in that:
The hair-pin winding of described 3 phase engines is arranged to 2 sections, uses half winding in high speed low torque driver area.
9. the control device of electric motor according to claim 7 or 8, is characterized in that:
In 3 phase windings of described hair-pin winding, half is configured in a slot, and all the other 3 phase windings are configured in another slot.
10. the control device of electric motor according to claim 7 or 8, is characterized in that:
In 3 phase windings of described hair-pin winding, half is configured in the half of a slot, and all the other 3 phase windings are configured in the other half of a slot.
11. control device of electric motor according to claim 5, is characterized in that:
In described parallel circuits, the circuit of output terminal of each phase of described frequency converter adopts 2 parallel circuits-1 on-off modes.
12. control device of electric motor according to claim 11, is characterized in that:
1st circuit of described 2 parallel circuitss is connected to the half of the winding on described 3 phase engines; 2nd circuit of described 2 parallel circuitss is connected to the other half of the winding on described 3 phase engines.
CN201410057247.7A 2013-09-16 2014-02-20 Motor and its control device Active CN104467232B (en)

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

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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

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JP3948009B2 (en) * 2001-10-03 2007-07-25 株式会社安川電機 Winding switching device for three-phase AC motor
CN102290940B (en) * 2010-06-18 2015-08-19 艾默生电气公司 The 3T-Y winding switching of three-phase multiple-speed motor
JP5978638B2 (en) * 2012-02-03 2016-08-24 株式会社安川電機 Rotating electrical machine system

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