CN106549547A - A kind of mixing magnet steel magnetic flux switching memory electrical machine - Google Patents
A kind of mixing magnet steel magnetic flux switching memory electrical machine Download PDFInfo
- Publication number
- CN106549547A CN106549547A CN201611054259.XA CN201611054259A CN106549547A CN 106549547 A CN106549547 A CN 106549547A CN 201611054259 A CN201611054259 A CN 201611054259A CN 106549547 A CN106549547 A CN 106549547A
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- China
- Prior art keywords
- magnetic flux
- electrical machine
- coercivity permanent
- permanent magnet
- coercivity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/38—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary
- H02K21/44—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with armature windings wound upon the magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/141—Stator cores with salient poles consisting of C-shaped cores
- H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of mixing magnet steel magnetic flux switching memory electrical machine, the stator of the motor includes n iron core unit, n/2 High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet, wherein n/2 High-coercivity Permanent Magnets adopt cutting orientation magnetizing, groove is formed between adjacent 2 iron core units, n/2 High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet are embedded in n groove respectively, and the permanent magnet species inlayed in adjacent grooves is different, the magnetizing direction of adjacent High-coercivity Permanent Magnets is identical；Adjustable magnetic pulsed coil is provided with each low-coercivity permanent magnet, and the sense of current that adjacent adjustable magnetic pulsed coil is passed through is identical, all of adjustable magnetic pulsed coil is composed in series adjustable magnetic pulse winding.Instant invention overcomes the defect of conventional hybrid magnetic flux switching motor, reduces excitation loss, electric efficiency is improved.
Description
Technical field
The invention belongs to technical field of motors, a kind of more particularly to mixing magnet steel magnetic flux switching memory electrical machine, it is adaptable to
Wide range speed control runs occasion.
Background technology
The permanent magnetic steel and armature winding of flux switch permanent magnet motor is all located on stator, both without winding and without forever on rotor
Magnet, it is simple structure, reliable, it is easy to radiate, and have that high power density, high efficiency, load capacity are strong, can obtain height
The features such as sinusoidal back-emf, thus be considered as a kind of structure for most possibly substituting rotor-type magneto.
However, due to there was only permanent magnet excitation, its adjustable magnetic is limited in one's ability.So, there are part experts and scholars to have studied electricity and encourage
Magnetic flux switch motor；Although improve adjustable magnetic ability, its efficiency and power density are relatively low.
French scholar E. Hoang take the lead in document " A new structure of a switching flux
Propose with two magnetic potential sources in synchronous polyphased machine with hybrid excitation "
（Permanent magnet and Exciting Windings for Transverse Differential Protection）Mixed excited magnetic pass switch motor.But, two kinds of magnetic potential sources of mixed excited magnetic pass switch motor
Be present coupling in the two kinds of magnetic fluxs for producing, easily interact, and increased excitation loss, reduce electric efficiency.
The content of the invention
In order to solve the technical problem that above-mentioned background technology is proposed, the present invention is intended to provide a kind of mixing magnet steel magnetic flux switching
Memory electrical machine, overcomes the defect of conventional hybrid magnetic flux switching motor, reduces excitation loss, improves electric efficiency.
In order to realize above-mentioned technical purpose, the technical scheme is that：
A kind of mixing magnet steel magnetic flux switching memory electrical machine, the stator of the motor include n iron core unit, n/2 high-coercive force forever
Magnet and n/2 low-coercivity permanent magnet, wherein n/2 High-coercivity Permanent Magnets adopt cutting orientation magnetizing, adjacent 2 iron core lists
Groove is formed between unit, n/2 High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet are embedded in n groove respectively, and
The permanent magnet species inlayed in adjacent grooves is different, and the magnetizing direction of adjacent High-coercivity Permanent Magnets is identical；Each low-coercivity
Adjustable magnetic pulsed coil is provided with permanent magnet, and the sense of current that adjacent adjustable magnetic pulsed coil is passed through is identical, all of tune
Magnetic field impulse coil is composed in series adjustable magnetic pulse winding.
Based on the preferred version of above-mentioned technical proposal, the High-coercivity Permanent Magnets adopt Nd-Fe-B permanent magnet.
Based on the preferred version of above-mentioned technical proposal, the low-coercivity permanent magnet adopts Al-Ni-Co permanent magnet.
Based on the preferred version of above-mentioned technical proposal, the adjustable magnetic pulse winding adopts centralized winding.
Based on the preferred version of above-mentioned technical proposal, armature winding, the armature winding on the stator of the motor, are additionally provided with
Using symmetrical centralized winding, high-coercive force is forever embedded by the middle of by adjacent 2 iron core units with which for each armature coil
In the groove of the both sides of the stator poles constituted by magnet, and two armature coil serial or parallel connection compositions one of radial symmetric are mutually electric
Pivot winding.
Based on the preferred version of above-mentioned technical proposal, the rotor surface of the motor is uniform-distribution with some salient poles, and rotor
Upper no winding and permanent magnet.
Based on the preferred version of above-mentioned technical proposal, the salient pole on rotor is straight pole or oblique pole.
Based on the preferred version of above-mentioned technical proposal, the stator and rotor iron core of the motor is made by permeability magnetic material.
The beneficial effect brought using above-mentioned technical proposal：
The present invention is using mixing magnet steel（The permanent magnet of the permanent magnet and low-coercivity of high-coercive force）, the permanent magnet of high-coercive force
Main field is provided to motor；Further by changing the instant pulse current in adjustable magnetic pulse winding come the permanent magnetism to low-coercivity
Body adjustable magnetic, so as to reach the purpose adjusted to main field, and almost without excitation loss, increases electric efficiency.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Specific embodiment
Below with reference to accompanying drawing, technical scheme is described in detail.
A kind of flux switch motor of parallel construction, the present invention is by taking 12/10 polar form motor of three-phase as an example.The stator bag of motor
Include 12 U-iron core units, 6 High-coercivity Permanent Magnets（The present embodiment adopts Nd-Fe-B permanent magnet）With 6 low-coercivities forever
Magnet（The present embodiment adopts aluminum nickel cobalt）, wherein 6 High-coercivity Permanent Magnets adopt cutting orientation magnetizing. and adjacent 2 iron core units
Between form groove, 6 High-coercivity Permanent Magnets and 6 low-coercivity permanent magnets are embedded in 12 grooves respectively, and adjacent
The permanent magnet species inlayed in groove is different, and the magnetizing direction of adjacent High-coercivity Permanent Magnets is identical.Each low-coercivity permanent magnetism
Adjustable magnetic pulsed coil is provided with body, and the sense of current that adjacent adjustable magnetic pulsed coil is passed through is identical, all of adjustable magnetic arteries and veins
Circle of breasting the tape is composed in series adjustable magnetic pulse winding.In the present embodiment, adjustable magnetic pulsed coil adopts centralized winding, to reduce copper
Consumption.
Adjustable magnetic pulse winding is only needed to plus an instant pulse current（That is the short time is passed through electric current, to low-coercivity
Permanent magnet adjustable magnetic）, the excitation loss that the electric current of this short time causes is negligible, so it is encouraged than traditional mixing
Magnetic flux switch motor efficiency high.
3 phase armature winding of the motor using symmetrical centralized winding coil, each centralized armature coil across by
In the groove of the both sides of the stator poles constituted by two neighboring U-shaped iron core unit and middle folded Nd-Fe-B permanent magnet, symmetrical two
Individual coil serial or parallel connection constitutes a phase armature winding.A phases armature winding is combined by A1, A2 coil serial or parallel connection；B phases
With C phase armature winding the like, as shown in Figure 1.
In the present embodiment, rotor surface is uniform-distribution with no winding and permanent magnet on 10 salient poles, and rotor.Salient pole
Can be straight pole, or oblique pole.
In the present embodiment, stator and rotor iron core is made using permeability magnetic material, and rotating shaft can adopt permeability magnetic material, also may be used
To adopt non-magnet material.
The mixing magnet steel magnetic flux switching memory electrical machine of present invention design, can both make electric operation, can make the fortune that generates electricity again
OK；Can both be inner rotor motor, or external rotor electric machine.
Above example technological thought only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (8)
1. a kind of mixing magnet steel magnetic flux switches memory electrical machine, it is characterised in that：The stator of the motor includes n iron core unit, n/2
Individual High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet, wherein n/2 High-coercivity Permanent Magnets adopt cutting orientation magnetizing,
Groove is formed between adjacent 2 iron core units, n/2 High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet are inlayed respectively
In n groove, and the permanent magnet species inlayed in adjacent grooves is different, the magnetizing direction phase of adjacent High-coercivity Permanent Magnets
Together；Adjustable magnetic pulsed coil, and the electric current side that adjacent adjustable magnetic pulsed coil is passed through are provided with each low-coercivity permanent magnet
To identical, all of adjustable magnetic pulsed coil is composed in series adjustable magnetic pulse winding.
2. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 1, it is characterised in that：The high-coercive force is forever
Magnet adopts Nd-Fe-B permanent magnet.
3. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 1, it is characterised in that：The low-coercivity is forever
Magnet adopts Al-Ni-Co permanent magnet.
4. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 1, it is characterised in that：The adjustable magnetic pulse around
Group is using centralized winding.
5. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 1, it is characterised in that：On the stator of the motor
Armature winding is additionally provided with, using symmetrical centralized winding, each armature coil is across by adjacent 2 iron cores for the armature winding
Unit with its in the middle of embedded by the groove of the both sides of stator poles that constituted of High-coercivity Permanent Magnets, and two of radial symmetric electric
Pivot coil serial or parallel connection constitutes a phase armature winding.
6. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 1, it is characterised in that：The rotor table of the motor
Face is uniform-distribution with no winding and permanent magnet on salient pole, and rotor.
7. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 6, it is characterised in that：Salient pole on rotor is
Straight pole or oblique pole.
8. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 1, it is characterised in that：The motor it is fixed, turn
Sub- iron core is made by permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054259.XA CN106549547B (en) | 2016-11-25 | 2016-11-25 | A kind of mixing magnet steel magnetic flux switching memory electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054259.XA CN106549547B (en) | 2016-11-25 | 2016-11-25 | A kind of mixing magnet steel magnetic flux switching memory electrical machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106549547A true CN106549547A (en) | 2017-03-29 |
| CN106549547B CN106549547B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611054259.XA Expired - Fee Related CN106549547B (en) | 2016-11-25 | 2016-11-25 | A kind of mixing magnet steel magnetic flux switching memory electrical machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877532A (en) * | 2017-04-26 | 2017-06-20 | 广东美芝制冷设备有限公司 | Magnetize motor, rotor, permagnetic synchronous motor and compressor |
| CN108808895A (en) * | 2018-05-03 | 2018-11-13 | 南京理工大学 | A kind of π types mixed excitation biconvex pole motor T |
| CN109560680A (en) * | 2018-11-23 | 2019-04-02 | 大连理工大学 | A kind of Magneticflux-switching type composite excitation straight line memory electrical machine |
| CN110098707A (en) * | 2019-04-09 | 2019-08-06 | 浙江大学 | A kind of long magnetic teeth double-convex pole hybrid excitation motor |
| CN111541313A (en) * | 2020-05-06 | 2020-08-14 | 东南大学 | Mixed magnetic pole zero sequence magnetic regulation memory motor and magnetic regulation method thereof |
| CN112234898A (en) * | 2020-10-12 | 2021-01-15 | 潍柴动力股份有限公司 | Method and system for testing initial angle of rotary transformer zero position and driving motor |
| CN117375268A (en) * | 2023-10-13 | 2024-01-09 | 苏州市职业大学（苏州开放大学） | Stator staggered magnetic pole series-parallel magnetic circuit doubly salient memory motor |
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| US5780949A (en) * | 1996-01-29 | 1998-07-14 | Emerson Electric Co. | Reluctance machine with auxiliary field excitations |
| CN101079557A (en) * | 2007-05-22 | 2007-11-28 | 东南大学 | Coil mutual-supplementary magnetic pass switching biconvex permanent magnetic motor |
| CN201188558Y (en) * | 2008-05-13 | 2009-01-28 | 东南大学 | Magnetic flux switch electric machine suitable for high speed operation |
| CN101610007A (en) * | 2009-07-15 | 2009-12-23 | 南京航空航天大学 | 3 phase 12/11 pole permanent-magnetic-switch flux linkage motor and method for inhibiting short circuit current thereof |
| CN103199660A (en) * | 2013-04-08 | 2013-07-10 | 东南大学 | Stator permanent magnetic flux-switching bearing-free motor with E-shaped teeth |
| CN104578477A (en) * | 2014-12-11 | 2015-04-29 | 东南大学 | Mixed permanent magnetic pole-alternating and magnetic flux-switching memory motor and winding switching magnetism-weakening control method thereof |
-
2016
- 2016-11-25 CN CN201611054259.XA patent/CN106549547B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5780949A (en) * | 1996-01-29 | 1998-07-14 | Emerson Electric Co. | Reluctance machine with auxiliary field excitations |
| CN101079557A (en) * | 2007-05-22 | 2007-11-28 | 东南大学 | Coil mutual-supplementary magnetic pass switching biconvex permanent magnetic motor |
| CN201188558Y (en) * | 2008-05-13 | 2009-01-28 | 东南大学 | Magnetic flux switch electric machine suitable for high speed operation |
| CN101610007A (en) * | 2009-07-15 | 2009-12-23 | 南京航空航天大学 | 3 phase 12/11 pole permanent-magnetic-switch flux linkage motor and method for inhibiting short circuit current thereof |
| CN103199660A (en) * | 2013-04-08 | 2013-07-10 | 东南大学 | Stator permanent magnetic flux-switching bearing-free motor with E-shaped teeth |
| CN104578477A (en) * | 2014-12-11 | 2015-04-29 | 东南大学 | Mixed permanent magnetic pole-alternating and magnetic flux-switching memory motor and winding switching magnetism-weakening control method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877532A (en) * | 2017-04-26 | 2017-06-20 | 广东美芝制冷设备有限公司 | Magnetize motor, rotor, permagnetic synchronous motor and compressor |
| CN108808895A (en) * | 2018-05-03 | 2018-11-13 | 南京理工大学 | A kind of π types mixed excitation biconvex pole motor T |
| CN109560680A (en) * | 2018-11-23 | 2019-04-02 | 大连理工大学 | A kind of Magneticflux-switching type composite excitation straight line memory electrical machine |
| CN110098707A (en) * | 2019-04-09 | 2019-08-06 | 浙江大学 | A kind of long magnetic teeth double-convex pole hybrid excitation motor |
| CN110098707B (en) * | 2019-04-09 | 2021-02-19 | 浙江大学 | Long magnetic conduction tooth double-salient pole hybrid excitation motor |
| CN111541313A (en) * | 2020-05-06 | 2020-08-14 | 东南大学 | Mixed magnetic pole zero sequence magnetic regulation memory motor and magnetic regulation method thereof |
| CN112234898A (en) * | 2020-10-12 | 2021-01-15 | 潍柴动力股份有限公司 | Method and system for testing initial angle of rotary transformer zero position and driving motor |
| CN117375268A (en) * | 2023-10-13 | 2024-01-09 | 苏州市职业大学（苏州开放大学） | Stator staggered magnetic pole series-parallel magnetic circuit doubly salient memory motor |
| CN117375268B (en) * | 2023-10-13 | 2024-04-26 | 苏州市职业大学（苏州开放大学） | Stator staggered magnetic pole series-parallel magnetic circuit doubly salient memory motor |
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| CN106549547B (en) | 2019-01-29 |
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Granted publication date: 20190129 Termination date: 20201125 |