CN106549547B - 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
- CN106549547B CN106549547B CN201611054259.XA CN201611054259A CN106549547B CN 106549547 B CN106549547 B CN 106549547B CN 201611054259 A CN201611054259 A CN 201611054259A CN 106549547 B CN106549547 B CN 106549547B
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- CN
- China
- Prior art keywords
- electrical machine
- coercivity permanent
- magnetic flux
- 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
-
- 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
Abstract
The invention discloses a kind of mixing magnet steel magnetic fluxs to switch 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 are all made of 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 respectively in n groove, and the permanent magnet type inlayed in adjacent grooves is different, the magnetizing direction of adjacent High-coercivity Permanent Magnets is identical；Adjustable magnetic pulsed coil is provided on each low-coercivity permanent magnet, and the current direction that adjacent adjustable magnetic pulsed coil is passed through is identical, all adjustable magnetic pulsed coils are composed in series adjustable magnetic pulse winding.The present invention overcomes the defects of conventional hybrid magnetic flux switching motor, reduce excitation loss, improve electric efficiency.
Description
Technical field
The invention belongs to technical field of motors, in particular to a kind of mixing magnet steel magnetic flux switches memory electrical machine, are suitable for
Wide range speed control runs occasion.
Background technique
The permanent magnetic steel and armature winding of flux switch permanent magnet motor are all located on stator, both without winding or without forever on rotor
Magnet, structure is simple, reliable for operation, is easy to radiate, and has that high power density, high efficiency, load capacity are strong, can get height
The features such as sinusoidal back-emf, thus be considered as a kind of structure of most possible substitution rotor-type magneto.
However, due to there was only permanent magnet excitation, adjustable magnetic ability is limited.It is encouraged so there is part experts and scholars to have studied electricity
Magnetic flux switch motor；Although improving adjustable magnetic ability, its efficiency and power density are lower.
French scholar E. Hoang takes the lead in document " A new structure of a switching flux
Tool is proposed in synchronous polyphased machine with hybrid excitation ", and there are two magnetic potential sources
The mixed excited magnetic pass switch motor of (permanent magnet and excitation winding).But two kinds of magnetic potential sources of mixed excited magnetic pass switch motor
There is coupling in the two kinds of magnetic fluxs generated, be easy to interact, and increases excitation loss, reduces electric efficiency.
Summary of the invention
In order to solve the technical issues of above-mentioned background technique proposes, the present invention is intended to provide a kind of mixing magnet steel magnetic flux switches
Memory electrical machine overcomes the defect of conventional hybrid magnetic flux switching motor, reduces excitation loss, improves electric efficiency.
In order to achieve the above technical purposes, the technical solution of the present invention is as follows:
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 coercives
Power permanent magnet and n/2 low-coercivity permanent magnet, wherein n/2 High-coercivity Permanent Magnets are all made of cutting orientation magnetizing, adjacent 2 iron
Groove is formed between core unit, n/2 High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet are embedded in n groove respectively
It is interior, and the permanent magnet type inlayed in adjacent grooves is different, the magnetizing direction of adjacent High-coercivity Permanent Magnets is identical；It is each low strong
It is provided with adjustable magnetic pulsed coil on stupid power permanent magnet, and the current direction that adjacent adjustable magnetic pulsed coil is passed through is identical, owns
Adjustable magnetic pulsed coil be composed in series adjustable magnetic pulse winding.
Preferred embodiment based on the above-mentioned technical proposal, the High-coercivity Permanent Magnets use Nd-Fe-B permanent magnet.
Preferred embodiment based on the above-mentioned technical proposal, the low-coercivity permanent magnet use Al-Ni-Co permanent magnet.
Preferred embodiment based on the above-mentioned technical proposal, the adjustable magnetic pulse winding is using centralized winding.
Preferred embodiment based on the above-mentioned technical proposal is additionally provided with armature winding, the armature winding on the stator of the motor
Using symmetrical centralized winding, each armature coil across by adjacent 2 iron core units and among it embedded high-coercive force forever
In the groove of the two sides of stator poles composed by magnet, and two armature coils of radial symmetric are connected in series or in parallel phase electricity
Pivot winding.
Preferred embodiment based on the above-mentioned technical proposal, the rotor surface of the motor are uniform-distribution with several salient poles, and rotor
Upper no winding and permanent magnet.
Preferred embodiment based on the above-mentioned technical proposal, the salient pole on rotor are straight pole or oblique pole.
The stator and rotor iron core of preferred embodiment based on the above-mentioned technical proposal, the motor is made of permeability magnetic material.
By adopting the above technical scheme bring the utility model has the advantages that
The present invention is using mixing magnet steel (permanent magnet of high-coercive force and the permanent magnet of low-coercivity), the permanent magnetism of high-coercive force
Body to provide main field to motor；Further by changing the instant pulse current in adjustable magnetic pulse winding come to low-coercivity
Permanent magnet adjustable magnetic to achieve the purpose that adjust main field, and almost without excitation loss, increases electric efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Below with reference to attached drawing, technical solution of the present invention 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 packet of motor
It includes 12 U-iron core units, 6 High-coercivity Permanent Magnets (the present embodiment uses Nd-Fe-B permanent magnet) and 6 low-coercivities is forever
Magnet (the present embodiment uses alnico), wherein 6 High-coercivity Permanent Magnets are all made of adjacent 2 iron core units of cutting orientation magnetizing
Between form groove, 6 High-coercivity Permanent Magnets and 6 low-coercivity permanent magnets are embedded in respectively in 12 grooves, and adjacent
The permanent magnet type 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 on body, and the current direction that adjacent adjustable magnetic pulsed coil is passed through is identical, all 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 is using centralized winding, to reduce copper
Consumption.
Adjustable magnetic pulse winding only needs plus instant pulse current (i.e. the short time is passed through electric current, to low-coercivity
Permanent magnet adjustable magnetic), excitation loss caused by the electric current of this short time can be ignored, so it is encouraged than traditional mixing
Magnetic flux switch motor is high-efficient.
3 phase armature winding of the motor using symmetrical centralized winding coil, each centralization armature coil across by
In the slot of the two sides of stator poles composed by Nd-Fe-B permanent magnet folded by two neighboring U-shaped iron core unit and centre, symmetrical two
A coil is connected in series or in parallel a phase armature winding.A phase armature winding is composed of A1, A2 coil serial or parallel connection；B phase
With C phase armature winding, as shown in Figure 1.
In the present embodiment, rotor surface is uniform-distribution with 10 salient poles, and does not have winding and permanent magnet on rotor.Salient pole
It can be straight pole, or oblique pole.
In the present embodiment, stator and rotor iron core is made of permeability magnetic material, and shaft can use permeability magnetic material, can also
To use non-magnet material.
The mixing magnet steel magnetic flux that the present invention designs switches memory electrical machine, can not only make electric operation, but also can make power generation fortune
Row；Either inner rotor motor, is also possible to external rotor electric machine.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
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
A High-coercivity Permanent Magnets and n/2 low-coercivity permanent magnet, wherein n/2 High-coercivity Permanent Magnets are all made of 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 type inlayed in adjacent grooves is different, the magnetizing direction phase of adjacent High-coercivity Permanent Magnets
Together；The adjustable magnetic pulsed coil wound using radial manner, and adjacent adjustable magnetic arteries and veins are provided on each low-coercivity permanent magnet
Breasting the tape, the current direction that circle is passed through is identical, and all adjustable magnetic pulsed coils are 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 uses 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 uses 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
It is additionally provided with armature winding, the armature winding is using symmetrical centralized winding, and each armature coil is across by adjacent 2 iron cores
In the groove of the two sides of stator poles composed by unit and among it embedded High-coercivity Permanent Magnets, and two electricity of radial symmetric
Pivot coil is connected in series or in parallel 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 salient pole, and does not have winding and permanent magnet on rotor.
7. a kind of mixing magnet steel magnetic flux switches memory electrical machine according to claim 6, it is characterised in that: the 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 is determined, turns
Sub- iron core is made of 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 CN106549547A (en) | 2017-03-29 |
| CN106549547B true CN106549547B (en) | 2019-01-29 |
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Family Applications (1)
| 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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Families Citing this family (6)
| 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 |
| CN109560680B (en) * | 2018-11-23 | 2020-02-18 | 大连理工大学 | Magnetic flux switching type hybrid excitation linear memory motor |
| CN110098707B (en) * | 2019-04-09 | 2021-02-19 | 浙江大学 | Long magnetic conduction tooth double-salient pole hybrid excitation motor |
| CN111541313B (en) * | 2020-05-06 | 2021-04-27 | 东南大学 | Mixed magnetic pole zero sequence magnetic regulation memory motor and magnetic regulation method thereof |
| CN112234898B (en) * | 2020-10-12 | 2022-04-26 | 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|---|---|---|
| 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 |
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| CN106549547A (en) | 2017-03-29 |
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Granted publication date: 20190129 Termination date: 20201125 |