CN110112876A - A kind of controllable transverse magnetic field modulation linear electric generator - Google Patents
A kind of controllable transverse magnetic field modulation linear electric generator Download PDFInfo
- Publication number
- CN110112876A CN110112876A CN201910414670.0A CN201910414670A CN110112876A CN 110112876 A CN110112876 A CN 110112876A CN 201910414670 A CN201910414670 A CN 201910414670A CN 110112876 A CN110112876 A CN 110112876A
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- Prior art keywords
- stator
- mover
- magnetic field
- modulates
- external stator
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- 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
- H02K1/16—Stator cores with slots for windings
-
- 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
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a kind of controllable empir-ical formulation field-modulated alternators, direct-drive type wave-activated power generation is absorbed applied to, by cylinder-shape linear external stator, cylinder-shape linear inner stator and rectilinear cylindrical shape mover composition, external stator includes threephase armature winding and external stator core.Cylinder-shaped inner stator grade includes excitation winding and inner-stator iron core and inner stator modulation magnet composition.Interior external stator forms the track ring of same intervals and identical tooth socket number.The present invention modulates the resultant field combined using electrical excitation and permanent magnetism, changes inner stator excitation winding size of current, air-gap field is controlled, to adjust output voltage and power.Mover modulates mover item using multiple bar shaped arcuations, it is 1/6 mover polar moment that neighbouring bar shaped arcuation modulation mover, which gradually misplaces, forms mover linear motion along the transverse magnetic flux of axis circle rotation, laminates stator core along axial lamination to realize, partition vortex, reduces loss.
Description
Technical field
The present invention relates to a kind of controllable transverse magnetic fields to modulate generator, belongs to direct-drive type wave-activated generator technical field.
Background technique
In wave-power device, intermediate transmission mechanism is reduced using the direct-driven wave power generation device of linear motor,
With simpler system structure and higher efficiency, it is considered to be the principal mode of wave-energy power generation.Linear electric generator is to mention
The key of high direct-drive wave power generation system performance directly determines transfer efficiency, power grade and the electric energy of sending of system
Quality.Applied to the magnetic field modulation rotary generator of direct drive type wind generating, direct-drive type rectilinear cylindrical hair is converted it directly to
Motor has that longitudinal lamination is difficult to, and uses along axial lamination, and can not block vortex, due to magnetic field modulation
Rate of change of magnetic is improved using harmonic wave, the loss and fever for being vortexed and certainly will increasing motor can not be separated, reduce the motor
Power density and stability.Since the direct-drive type wave-activated power generation speed of service is with wave real-time change, single permanent magnetic field modulation is made
At in each period of motion end, it is low to there is output power, thus the problem of causing output power quality stability decline.Together
When, the armature-reaction degaussing that uncontrollable magnetic field will cause motor is serious, power factor is low, voltage regulation factor is big, load capacity
The problems such as weak.
Summary of the invention
The purpose of the present invention is to solve the above problems, provide a kind of controllably mixed transverse magnetic field modulation linear electric generator,
It using cylinder-shaped transverse magnetic flux structure, realizes along axial lamination, the processing is simple, and can effectively block vortex.In motor
In increase electrical excitation winding, the resultant field combined is modulated using electrical excitation and permanent magnetism, it is anti-further to improve armature
It answers, and increases the controllability of motor-field.The present invention is suitable for the characteristics of wave energy changes greatly, and improves stable electric power, increases
The working range of big electricity generation system.
In order to achieve the above objectives, the method that the present invention uses is: a kind of controllable transverse magnetic field modulation generator, including cylinder
Shape straight line external stator, cylinder-shape linear inner stator and rectilinear cylindrical shape mover；The cylindrical shape external stator include threephase armature around
Group and external stator core, external stator core form external stator ring, the spacing of ring and ring setting fixation using laminating along axial lamination
For；The cylindrical shape inner stator includes excitation winding, inner-stator iron core and inner stator modulation magnet, cylinder-shape linear inner stator
Iron core forms subring in outer using laminating along axial lamination, ring and ring set the spacing of fixation as, each ring laminate thickness and
It is identical that external stator lamination laminates thickness；The rectilinear cylindrical shape mover cylindrical shape mover modulates mover using multiple bar shaped arcuations,
Each bar shaped modulation mover is alternatively arranged using rotor permanent magnet and modulation iron block, and neighbouring bar shaped arcuation modulation mover is gradually
Dislocation is 1/6 mover polar moment.
Preferably as one kind of the invention, armature winding slot is set on the external stator, threephase armature winding uses
Concentratred winding is connected across in adjacent grooves, and neighbouring two-phase armature winding is placed in same slot.
Preferably as one kind of the invention, be provided with excitation winding slot on the inner stator, excitation winding using concentrate around
Group is connected across in adjacent grooves, and neighbouring two-phase excitation winding is placed in different slots, and excitation winding longitudinally bridges all inner stator iron
Inner stator permanent magnet is laid at core, each stator core circular tooth part interval.
Preferably as one kind of the invention, the external stator core setting haves three layers.
Preferably as one kind of the invention, the inner-stator iron core setting haves three layers.
Preferably as one kind of the invention, the bar shaped arcuation modulation mover is provided with 12.
Preferably as one kind of the invention, the along the circumferential direction equivalent permanent magnetism of mover corresponding to each inside and outside track ring mover
Number of poles is, the along the circumferential direction number of pole-pairs of external stator armature be and inner stator along the circumferential direction number of magnetic poles meets:.
The utility model has the advantages that
The present invention is that controllable mixing transverse magnetic field modulates linear electric generator, which uses magnetic field modulation principle, and motor is longitudinally transported
It moves in certain stroke, along the circumferential direction equivalent permanent magnetism number of poles is mover corresponding to each inside and outside track ring mover, external stator electricity
The along the circumferential direction number of pole-pairs of pivot be and inner stator along the circumferential direction number of magnetic poles meets:, realize under low speed raising magnetic field tune
The magnetic field conversion rate of linear motor stator electric winding processed to improve the target of motor output end voltage, and solves wave not
A series of problems brought by high low-speed direct driving.Using cylinder-shaped transverse magnetic flux structure, realize along axial lamination, processing letter
It is single, and vortex can be effectively blocked, greatly reduce the eddy-current loss due to caused by the Fast transforms of magnetic field.In addition, stator
Side end is not present in winding, improves electric efficiency.Mover is single action, reduces the complexity of system structure, using adjustable magnetic block
Motor-field and motor load capacity are improved with the spaced structure of permanent magnetism, reduces magnet relative to full permanent magnetic rotor
Number.Electrical excitation winding is increased in motor, is modulated the resultant field combined using electrical excitation and permanent magnetism, is further improved electricity
Armature reaction, and increase the controllability of motor-field.The present invention is suitable for the characteristics of wave energy changes greatly, and it is steady to improve electric energy
Working range that is qualitative, increasing electricity generation system.
Detailed description of the invention
Fig. 1 is the structure chart of controllable mixing transverse magnetic field modulation linear electric generator.
Fig. 2 is controllable mixing transverse magnetic field modulation linear electric generator vertical section.
Fig. 3 is controllable mixing transverse magnetic field modulation linear electric generator cross section different location figure.
In figure: 1. external stator upper core rings, iron core ring in 2. external stators, 3. external stator lower core rings, 4.A phase armature around
Group, 5. B phase armature winding, 6. C phase armature winding, 7. movers modulation iron block, 8. mover permanent magnets, 9. inner-stator iron core rings,
10. inner stator permanent magnet, 11. inner stator excitation windings.
Specific embodiment
Below with reference to embodiment and Figure of description, the present invention is further illustrated.
Illustrate embodiment of the present invention below with reference to Fig. 1-Fig. 3.Embodiment of the present invention includes, by straight line external stator, circle
Tubular straight line inner stator and rectilinear cylindrical shape mover composition.Straight line external stator includes external stator upper core ring 1, iron core in external stator
Ring 2, external stator lower core ring 3, A phase armature winding 4, B phase armature winding 5 and C phase armature winding 6.Straight line external stator core by
Iron core ring 2, external stator lower core ring composition 3 in external stator upper core ring 1, external stator.In external stator upper core ring 1, external stator
Iron core ring 2, external stator lower core ring composition 3 are laminated along axial lamination, the spacing of ring and ring setting fixation.
External stator sets armature winding slot, perfectly aligned above and below the tooth socket between ring and ring, armature winding using concentrate around
Group is connected across in adjacent grooves, and neighbouring two-phase armature winding is placed in same slot.As shown in the figure, 5 right end of B phase armature winding
It is placed in same slot with the left end of A phase armature winding 4,5 left end of B phase armature winding and the left end of C phase armature winding 6 are placed in
In same slot.Armature winding be placed in external stator upper core ring 1, in external stator iron core ring 2, external stator lower core ring 3 same position
It sets in slot.
The cylindrical shape mover is made of 12 bar shaped arcuation modulation movers, and each bar shaped modulation mover uses mover permanent magnetism
Body 8 and mover modulation iron block 7 are alternatively arranged.The same bar shaped arcuation modulates mover, and the spacing of rotor permanent magnet 8 is mover
Polar moment, neighbouring bar shaped arcuation modulation mover gradually misplace as 1/6 mover polar moment.
Cylinder-shape linear inner-stator iron core is used and is laminated along axial lamination.Cylinder-shaped default subgroup laminates, inner stator iron
Core ring 9 is divided into three as external stator core ring, and ring and ring set fixed spacing and laminate thickness and outer as, each ring
It is identical that stator lasmination laminates thickness.Inner stator teeth portion is spaced apart inner stator permanent magnet 10, places inner stator excitation winding in slot
11.Inner stator excitation winding 11 is connected across in adjacent grooves using concentratred winding, and neighbouring two inner stator phase excitation windings 11 are placed on
In different slots.Inner stator excitation winding 11 is longitudinal to bridge all inner-stator iron cores.Three inner-stator iron core ring laying methods are complete
Unanimously.
Along the circumferential direction equivalent permanent magnetism number of poles is the edge of external stator armature to mover corresponding to each inside and outside track ring mover
Circumferencial direction number of pole-pairs be and inner stator along the circumferential direction number of magnetic poles meet:, have reached magnetic field modulation effect, realize low speed
The lower magnetic field conversion rate for improving magnetic field modulation linear motor stator electric winding, to improve the purpose of motor output end voltage.
When mover is along straight reciprocating motion, mover among external stator and inner stator relative position forms permanent magnetism and iron block
Interval variation forms the equivalent magnet variation along axis rotation of same inside and outside track ring and uses as shown in figure 3, forming transverse magnetic flux
Excitation winding carries out magnetic field modulation, obtains controllably modulating magnetic field.
Above-described embodiment is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill of the art
For personnel, without departing from the principle of the present invention, several improvement and equivalent replacement can also be made, these are to the present invention
Claim improve with the technical solution after equivalent replacement, each fall within protection scope of the present invention.
Claims (7)
1. a kind of controllable transverse magnetic field modulates generator, it is characterised in that: including in cylinder-shape linear external stator, cylinder-shape linear
Stator and rectilinear cylindrical shape mover；The cylindrical shape external stator includes threephase armature winding and external stator core, external stator core
Laminated using along axial lamination, form external stator ring, ring and ring set the spacing of fixation as；The cylindrical shape inner stator includes encouraging
Magnetic winding, inner-stator iron core and inner stator modulate magnet, and cylinder-shape linear inner-stator iron core is used and laminated along axial lamination, shape
At outer interior subring, ring and ring set fixed spacing with external stator lamination to laminate thickness identical as the thickness that laminates of, each ring；Institute
It states rectilinear cylindrical shape mover cylindrical shape mover and modulates mover using multiple bar shaped arcuations, each bar shaped modulation mover uses mover forever
Magnet and modulation iron block are alternatively arranged, and neighbouring bar shaped arcuation modulation mover gradually misplaces as 1/6 mover polar moment.
2. controllable transverse magnetic field according to claim 1 modulates generator, it is characterised in that: set on the external stator
Determine armature winding slot, threephase armature winding is connected across in adjacent grooves using concentratred winding, and neighbouring two-phase armature winding is placed in together
In one slot.
3. controllable transverse magnetic field according to claim 1 modulates generator, it is characterised in that: be provided on the inner stator
Excitation winding slot, excitation winding are connected across in adjacent grooves using concentratred winding, and neighbouring two-phase excitation winding is placed in different slots,
Excitation winding longitudinally bridges all inner-stator iron cores, and inner stator permanent magnet is laid at each stator core circular tooth part interval.
4. controllable transverse magnetic field according to claim 1 modulates generator, it is characterised in that: the external stator core is set
It sets and haves three layers.
5. controllable transverse magnetic field according to claim 1 modulates generator, it is characterised in that: the inner-stator iron core is set
It sets and haves three layers.
6. controllable transverse magnetic field according to claim 1 modulates generator, it is characterised in that: the bar shaped arcuation modulation
Mover is provided with 12.
7. controllable transverse magnetic field according to claim 1 modulates generator, it is characterised in that: each inside and outside track ring mover
Along the circumferential direction equivalent permanent magnetism number of poles is corresponding mover, and the along the circumferential direction number of pole-pairs of external stator armature is and inner stator
Along the circumferential direction number of magnetic poles meets:.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414670.0A CN110112876A (en) | 2019-05-17 | 2019-05-17 | A kind of controllable transverse magnetic field modulation linear electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414670.0A CN110112876A (en) | 2019-05-17 | 2019-05-17 | A kind of controllable transverse magnetic field modulation linear electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110112876A true CN110112876A (en) | 2019-08-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414670.0A Withdrawn CN110112876A (en) | 2019-05-17 | 2019-05-17 | A kind of controllable transverse magnetic field modulation linear electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110112876A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957855A (en) * | 2019-11-04 | 2020-04-03 | 东南大学 | Controllable double-port direct-drive type wave-activated generator |
| CN112953154A (en) * | 2021-04-26 | 2021-06-11 | 东南大学 | Stator permanent magnet transverse magnetic flux linear generator for direct-drive type wave power generation |
| CN113141097A (en) * | 2021-04-26 | 2021-07-20 | 东南大学 | Magnetic field modulation hybrid excitation transverse magnetic flux linear generator |
| CN113270986A (en) * | 2021-05-28 | 2021-08-17 | 南京金崎新能源动力研究院有限公司 | Spiral rotor magnetic field modulation transverse magnetic flux permanent magnet linear generator |
| CN114142702A (en) * | 2021-10-22 | 2022-03-04 | 北京建筑大学 | Permanent magnet linear motor |
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| CN1585242A (en) * | 2004-05-28 | 2005-02-23 | 上海磁浮交通工程技术研究中心 | Linear synchronous motor with slender stator and with permanent magnetic and electric excitations alternatively |
| CN102104312A (en) * | 2011-03-17 | 2011-06-22 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN202004620U (en) * | 2011-03-17 | 2011-10-05 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN106050537A (en) * | 2016-05-04 | 2016-10-26 | 中国科学院电工研究所 | Wave energy power generation device |
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2019
- 2019-05-17 CN CN201910414670.0A patent/CN110112876A/en not_active Withdrawn
Patent Citations (4)
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|---|---|---|---|---|
| CN1585242A (en) * | 2004-05-28 | 2005-02-23 | 上海磁浮交通工程技术研究中心 | Linear synchronous motor with slender stator and with permanent magnetic and electric excitations alternatively |
| CN102104312A (en) * | 2011-03-17 | 2011-06-22 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN202004620U (en) * | 2011-03-17 | 2011-10-05 | 浙江理工大学 | Cylindrical double-layer winding linear permanent magnet synchronous generator |
| CN106050537A (en) * | 2016-05-04 | 2016-10-26 | 中国科学院电工研究所 | Wave energy power generation device |
Non-Patent Citations (1)
| Title |
|---|
| LEI HUANG等: "Research on Primary Excitation Fully Superconducting Linear Generators for Wave Energy Conversion", 《IEEE XPLORE》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957855A (en) * | 2019-11-04 | 2020-04-03 | 东南大学 | Controllable double-port direct-drive type wave-activated generator |
| CN112953154A (en) * | 2021-04-26 | 2021-06-11 | 东南大学 | Stator permanent magnet transverse magnetic flux linear generator for direct-drive type wave power generation |
| CN113141097A (en) * | 2021-04-26 | 2021-07-20 | 东南大学 | Magnetic field modulation hybrid excitation transverse magnetic flux linear generator |
| CN113270986A (en) * | 2021-05-28 | 2021-08-17 | 南京金崎新能源动力研究院有限公司 | Spiral rotor magnetic field modulation transverse magnetic flux permanent magnet linear generator |
| CN114142702A (en) * | 2021-10-22 | 2022-03-04 | 北京建筑大学 | Permanent magnet linear motor |
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Application publication date: 20190809 |
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| WW01 | Invention patent application withdrawn after publication |