CN101626186B - Permanent-magnet switch flux-linkage generator of three-dimensional magnetic structure - Google Patents
Permanent-magnet switch flux-linkage generator of three-dimensional magnetic structure Download PDFInfo
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- CN101626186B CN101626186B CN2009103060592A CN200910306059A CN101626186B CN 101626186 B CN101626186 B CN 101626186B CN 2009103060592 A CN2009103060592 A CN 2009103060592A CN 200910306059 A CN200910306059 A CN 200910306059A CN 101626186 B CN101626186 B CN 101626186B
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Abstract
The invention relates to a permanent-magnet switch flux-linkage generator of a three-dimensional magnetic structure, belonging to the field of electric motors and aiming to solve the problems of low power density, complex winding construction, difficult insulation manufacture, and the like which are existed in a low-speed permanent-magnet generator. A single phase generator of the invention has the technical scheme that two stator cores are arranged along the axial direction of the outer surface of a main shaft and are connected by a magnetic-inductive-connection toroidal core to form a toroidal groove in which a stator winding is arranged, salient poles on the two stator cores are mutually staggered a distance of half stator, an outer rotor consists of a rotor yoke and two rows of alnico arrays arranged at the inner surface of the rotor yoke, one row of the alnico arrays is respectively arranged in the same level with one of the stator cores, and the axial center line of the two stator cores and the two rows of alnico arrays are overlapped. A two-phase generator of the invention consists of two single phase generators, rotor yoke connection pieces, supporting rings and main shaft connection pieces, and the two single phase generators are of quadrature winding structures. On the basis of the two-phase generator, by distribution of number of windings and connection of the windings, a three-phase generator can be formed.
Description
Technical field
The present invention relates to a kind of permanent-magnet switch flux-linkage generator of three-dimensional magnetic structure, belong to machine field.
Background technology
Because magneto alternator has high efficiency, the high commentaries on classics apart from advantages such as density, comprises that in many application wind-driven generator, hybrid vehicle generator etc. all have certain advantage, exist the space of extensive use.At present, common magneto alternator structure mainly comprises: the conventional electric machine structure of the radial magnetic field of surperficial magnet steel and built-in magnet steel rotor structure, and axial magnetic field disk motor or axial magnetic field double-stator structure motor etc.Yet still exist a lot of difficult problems to need to solve at present in the research and development of magneto alternator, comprising:
(1) power density of common low-speed permanent-magnet synchronous generator is generally lower, and along with the increase of power grade, the volume of generator and manufacturing cost become the key factor of restriction permanent magnet generator development more.The power density and other performance index that how further to improve generator are difficult problems;
(2) owing to be subjected to the restriction of factors such as volume cost, performance index such as low-speed permanent-magnet efficiency of motor generally are difficult to reach higher level;
(3) along with the increase of power grade, big electric current can cause problems such as cable installation and loss, so high-voltage generator is one of developing direction.But the problem that exists is, along with the raising of voltage, the insulation of motor becomes a difficult problem, can further reduce power density and other performance index of motor, especially in the structure of the distributed winding of the multipole multiple-grooved of low speed;
(4) along with the increase of power grade, the winding construction complexity makes and become more and more difficult, and the insulation between winding is bad.Simple winding type helps making, and helps reducing winding resistance simultaneously, reduces winding loss.Adopting winding pitch is that 1 concentrated winding configuration is one of solution.But in this scheme, number of stator slots must be close with the permanent magnetism magnetic pole number, and the increase of power grade causes number of poles to increase, and main flux will form the closed-loop path by adjacent two stator salient poles and main pole.And in such magnetic structure, certainly exist a large amount of stator slot leakage fluxs, cause very big stator leakage reactance, thereby have a strong impact on the power output of generator and power factor etc.
Above effects limit magneto alternator further developing in comprising application such as wind power generation.Electromagnet structure and new principle are one of approach of dealing with problems.
Flux switching motor is different from switched reluctance motor, its basic characteristics are: magnetizing flux exist all the time and direction constant, along with the variation of rotor-position, magnetizing flux will switch its path, make the size and Orientation of the interior magnetic linkage of stator winding all change, thereby produce back electromotive force.At present, exist two kinds of directions in the research of flux switching motor, a kind of electromagnetic type structure that is based on biconvex utmost point variable reluctance motor adopts field winding; Another kind is a permanent-magnetic-switch flux linkage motor, and general permanent magnet is placed on the stator, and rotor adopts salient-pole structure, comes down to mixing of magneto and biconvex utmost point variable reluctance motor.With respect to the electromagnetic type structure that adopts field winding, permanent-magnetic-switch flux linkage motor combines the advantage of magneto and salient pole machine, has been subjected to more concern.The version that exists comprises at present, and what Britain T. J. Miller etc. proposed installs permanent magnet at common double-salient reluctance motor stator poles inside diameter surface, can constitute the switch flux-linkage structure; Propositions such as Britain Z. Q. Zhu, professor Shen Jianxin of Zhejiang University are divided into two parts with common double-salient reluctance motor salient stator, and interpolar accompanies permanent magnet.Above various flux switching motors all are to constitute on the basis of common double-salient reluctance motor, and magnetic circuit is the two dimensional surface path, and permanent magnet generally is placed on the stator.And be not suitable for powerful generator application.
Summary of the invention
The objective of the invention is to solve of the increase of low-speed permanent-magnet generator along with power grade, the problem that power density is low, winding construction is complicated, insulation is difficult for manufacturing, and fractional-slot magneto number of poles excessive problem of leakage field when more, the permanent-magnet switch flux-linkage generator of three-dimensional magnetic structure is provided.
First kind of technical scheme provided by the invention: the single-phase permanent flux-switching generator of three-dimensional magnetic structure, it comprises external rotor, stator and main shaft, described stator is positioned in the middle of main shaft and the external rotor, and stator and main shaft maintain static, it is characterized in that, external rotor comprises rotor yoke, two row's magnetic steel arrays, and stator comprises that first stator core, second stator core, magnetic conduction connect ring-type iron core and stator winding
Axial direction along main shaft is disposed with first stator core, magnetic conduction connects the ring-type iron core and second stator core, first stator core, the inner surface of the magnetic conduction connection ring-type iron core and second stator core is fixedlyed connected with the outer surface of main shaft, first stator core that is arranged in parallel and the second stator core equal and opposite in direction, the left and right sides end face of magnetic conduction connection ring-type iron core is fixedlyed connected with second stator core with first stator core respectively, at first stator core, second stator core is connected with magnetic conduction in the cannelure that the ring-type iron core surrounds and is provided with stator winding
Be evenly equipped with P first stator salient poles along the first stator core outer ring surface, be evenly equipped with P second stator salient poles along the second stator core outer ring surface, P first stator salient poles and P second stator salient poles τ/2 angles that stagger, τ is the stator poles distance,
The rotor yoke inner surface is provided with two row's magnetic steel arrays parallel to each other, and magnetic steel array is distinguished a uniform 2P magnetic pole along circumference, the magnetic steel array radial magnetizing,
One row's magnetic steel array overlaps with the median plane of first stator core perpendicular to main shaft perpendicular to the median plane of main shaft, and leave air gap between the described row's magnetic steel array and first stator salient poles, another row's magnetic steel array overlaps with the median plane of second stator core perpendicular to main shaft perpendicular to the median plane of main shaft, and leave air gap between described another row's magnetic steel array and second stator salient poles, the longitudinal center line of first stator core, second stator core and two row's magnetic steel arrays overlaps
P is the positive integer greater than 2.
Second kind of technical scheme provided by the invention: based on the two phase permanent magnet flux-switching generator of the three-dimensional magnetic structure of the single-phase permanent flux-switching generator of first kind of described three-dimensional magnetic structure of technical scheme, it comprises single-phase permanent flux-switching generator, rotor yoke connector, support ring and the main shaft connector of two three-dimensional magnetic structures
The rotor yoke and the rotor yoke connector of the single-phase permanent flux-switching generator of two three-dimensional magnetic structures are integral pieces, the main shaft and the main shaft connector of the single-phase permanent flux-switching generator of two three-dimensional magnetic structures are integral pieces, the outer ring surface of support ring is fixedlyed connected with the inner surface of rotor yoke connector, the inner ring surface of support ring is connected with main shaft connector bearing
The magnetic steel array of the single-phase permanent flux-switching generator of two three-dimensional magnetic structures is symmetrical arranged along support ring, the P of the single-phase permanent flux-switching generator of two three-dimensional magnetic structures first stator salient poles τ/2 angles that stagger.
Advantage of the present invention: every phase only exists one axially to concentrate winding, not only helps making and insulation, and also the winding utilization height, winding resistance and reactance all significantly reduce, and the performance of generator is significantly improved.Simultaneously, there are not the slot leakage magnetic circuit of direct closure in tooth or interpolar on stator, thereby have fundamentally solved fractional-slot magneto number of poles excessive problem of leakage field when more.
Description of drawings
Fig. 1 is a structural representation of the present invention, Fig. 2 is the A-A cutaway view of Fig. 1, Fig. 3 is the perspective view of two stator cores of the single-phase switch flux-linkage generator of three-dimensional magnetic structure, Fig. 4 is that magnetic circuit moves towards figure, Fig. 5 is the structural representation of execution mode six, and Fig. 6 is the wiring schematic diagram of execution mode seven stator winding.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 to Fig. 4, the single-phase permanent flux-switching generator of the described three-dimensional magnetic structure of present embodiment comprises external rotor, stator and main shaft 3, described stator is positioned in the middle of main shaft 3 and the external rotor, and stator and main shaft 3 maintain static, it is characterized in that, external rotor comprises rotor yoke 1, two row's magnetic steel arrays 2, and stator comprises that first stator core 4, second stator core 5, magnetic conduction connect ring-type iron core 6 and stator winding 7
Axial direction along main shaft 3 is disposed with first stator core 4, magnetic conduction connects the ring-type iron core 6 and second stator core 5, first stator core 4, the inner surface of the magnetic conduction connection ring-type iron core 6 and second stator core 5 is fixedlyed connected with the outer surface of main shaft 3, first stator core 4 that is arranged in parallel and second stator core, 5 equal and opposite in directions, the left and right sides end face of magnetic conduction connection ring-type iron core 6 is fixedlyed connected with second stator core 5 with first stator core 4 respectively, at first stator core 4, second stator core 5 is connected with magnetic conduction in the cannelure that ring-type iron core 6 surrounds and is provided with stator winding 7
Be evenly equipped with P the first stator salient poles 4-1 along first stator core, 4 outer ring surfaces, be evenly equipped with P the second stator salient poles 5-1 along second stator core, 5 outer ring surfaces, P the first stator salient poles 4-1 and P second stator salient poles 5-1 τ/2 angles that stagger, τ is the stator poles distance,
One row's magnetic steel array 2 overlaps with the median plane of first stator core 4 perpendicular to main shaft 3 perpendicular to the median plane of main shaft 3; And leave air gap between described row's magnetic steel array 2 and the first stator salient poles 4-1; Another row's magnetic steel array 2 overlaps with the median plane of second stator core 5 perpendicular to main shaft 3 perpendicular to the median plane of main shaft 3; And leave air gap between described another row's magnetic steel array 2 and the second stator salient poles 5-1; The longitudinal center line of first stator core 4, second stator core 5 and two row's magnetic steel arrays 2 overlaps
P is the positive integer greater than 2.
The present embodiment generator is the single-phase switch flux-linkage generator, operation logic is the switch flux-linkage principle, promptly along with external rotor rotates under prime mover driven, the main flux that permanent magnetism magnetic pole produced will switch its path, when the S pole-face of the first stator salient poles 4-1 and a magnetic steel array 2 is just relative, the second stator salient poles 5-1 is just just relative with the N pole-face of another magnetic steel array 2, constitute closed magnetic circuit as shown in Figure 4, the N pole-face of magnetic steel array 2 magnetic poles pass the S utmost point of the magnetic line of force → rotor yoke 1 → another magnetic steel array 2 magnetic poles → from the N utmost point of described another magnetic steel array 2 magnetic poles pass → the second stator salient poles 5-1 → second stator core, 5 → magnetic conduction connects the S utmost point of ring-type iron core 6 → the first stator cores 4 → the first stator salient poles 4-1 → described magnetic steel array 2 magnetic poles, the flux change of closed magnetic circuit, make the size and Orientation of the magnetic linkage in the stator stator winding 7 all change, exchange back electromotive force thereby produce, mechanical energy is converted into electric energy, realizes generating.This moment the magnetic flux maximum, along with external rotor rotates, the S pole-face of the first stator salient poles 4-1 and a described magnetic steel array 2 is relative, and to overlap area more and more littler, then the magnetic flux of closed magnetic circuit is more and more littler, when two magnetic pole intersections of the salient pole center of the first stator salient poles 4-1 and a described magnetic steel array 2 are just relative, magnetic flux is 0, output current is 0, external rotor is rotated further, the first stator salient poles 4-1 increases gradually with the area that overlaps of the next magnetic pole N pole-face of a described magnetic steel array 2, magnetic flux becomes big gradually by 0 beginning, just relative up to the first stator salient poles 4-1 with the N pole-face of a described magnetic steel array 2, magnetic flux reaches maximum again, but flow direction is just in time opposite with afore-mentioned, at this moment, the second stator salient poles 5-1 is just relative with the S pole-face of another magnetic steel array 2, and the magnetic flux path of this moment is: the N pole-face of another magnetic steel array 2 magnetic poles pass the S utmost point of 1 → one magnetic steel array 2 of the magnetic line of force → rotor yoke → from the N utmost point of described magnetic steel array 2 magnetic poles pass → the first stator salient poles 4-1 → first stator core, 4 → magnetic conduction connects the S utmost point of ring-type iron core 6 → the second stator cores 5 → the second stator salient poles 5-1 → described another magnetic steel array 2 magnetic poles.
Embodiment two: the difference of present embodiment and execution mode one is that stator winding 7 adopts concentrates ring-like winding, and other is identical with execution mode one.
Every phase only exists one axially to concentrate winding, not only helps making and insulation, and also the winding utilization height, winding resistance and reactance all significantly reduce, and the performance of generator is significantly improved.Simultaneously, there are not the slot leakage magnetic circuit of direct closure in tooth or interpolar on stator, thereby have fundamentally solved fractional-slot magneto number of poles excessive problem of leakage field when more.
Embodiment three: the difference of present embodiment and execution mode one is, the salient pole width a of the first stator salient poles 4-1 is stator poles 0.3 to 0.4 times apart from τ, the first stator salient poles 4-1 and the second stator salient poles 5-1 equal and opposite in direction, other is identical with execution mode one.
First stator core, 4 second stator cores 5 are just the same, the first stator salient poles 4-1 that two iron core outer round surface are uniform and the second stator salient poles 5-1 are too, equal and opposite in direction, distribution just evenly interlaces, shown in 3, the angle of the first stator salient poles 4-1 salient pole center line that the salient pole center line of the second stator salient poles 5-1 is adjacent with the right side is A2, and the angle of two first adjacent stator salient poles 4-1 salient pole center lines is A1, and the pass that exists between two angles is: A1=2 * A2.
The salient pole width a of the first stator salient poles 4-1 is its stator poles 0.3 to 0.4 times apart from τ, wherein with 0.35 times of optimum.
Embodiment four: the difference of present embodiment and execution mode one is, first stator core 4 and second stator core 5 are overrided to form by a plurality of electrical sheet punchings, magnetic conduction connects ring-type iron core 6 by a plurality of electrical sheet reels and laminate and constitute, and other is identical with execution mode one.
Embodiment five: present embodiment is described below in conjunction with Fig. 5, present embodiment is based on the two phase permanent magnet flux-switching generator of three-dimensional magnetic structure of the single-phase permanent flux-switching generator of execution mode one described three-dimensional magnetic structure, it comprises single-phase permanent flux-switching generator 8, rotor yoke connector 9, support ring 10 and the main shaft connector 11 of two three-dimensional magnetic structures
The rotor yoke 1 and the rotor yoke connector 9 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures are integral pieces, the main shaft 3 and the main shaft connector 11 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures are integral pieces, the outer ring surface of support ring 10 is fixedlyed connected with the inner surface of rotor yoke connector 9, the inner ring surface of support ring 10 is connected with main shaft connector 11 bearings
The magnetic steel array 2 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures is symmetrical arranged along support ring 10, the P of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures first stator salient poles 4-1 τ/2 angles that stagger.
Embodiment six: present embodiment is described below in conjunction with Fig. 1 to Fig. 5, the difference of present embodiment and execution mode five is, the stator winding 7 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures adopts concentrates ring-like winding, and equal turn numbers, other is identical with execution mode five.
The described two-phase induction motor of present embodiment, because of the first stator salient poles 4-1 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures τ/2 angles that stagger mutually, orthogonal thereto winding construction, the equal turn numbers of the stator winding 7 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures as the phase place of stator winding 7 output potentials of the single-phase permanent flux-switching generator 8 of a three-dimensional magnetic structure is
, then the phase place of stator winding 7 output potentials of the single-phase permanent flux-switching generator 8 of another three-dimensional magnetic structure is
, phase difference is 90 degree, quadrature output constitutes two-phase induction motor.
Embodiment seven: present embodiment is described below in conjunction with Fig. 6, the difference of present embodiment and execution mode five is, the stator winding 7 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures adopts concentrates ring-like winding, the stator winding 7 of the single-phase permanent flux-switching generator 8 of a three-dimensional magnetic structure is the N circle, and be divided into three parts, be respectively first winding L 1, second winding L 2 and tertiary winding L3, the stator winding 7 of the single-phase permanent flux-switching generator 8 of another three-dimensional magnetic structure is divided into two parts, be respectively the 4th winding L 4 and the 5th winding L 5
The different name end of first winding L 1 is as an end of C phase, and the end of the same name of first winding L 1 links to each other with the different name end of the 4th winding L 4, and the end of the same name of the 4th winding L 4 is as the other end of C phase,
The end of the same name of second winding L 2 is as an end of B phase, and the different name end of second winding L 2 links to each other with the different name end of the 5th winding L 5, and the end of the same name of the 5th winding L 5 is as the other end of B phase,
The two ends of tertiary winding L3 are respectively as the two ends of A phase,
Wherein:
The number of turn of first winding L 1 is
,
The number of turn of second winding L 2 is
,
The number of turn of tertiary winding L3 is
,
The number of turn of the 4th winding L 4 is
,
The number of turn of the 5th winding L 5 is
Other is identical with execution mode five.
Present embodiment is described to be the threephase switch flux-linkage generator, compare with the two phase permanent magnet flux-switching generator 8 of three-dimensional magnetic structure, the agent structure of motor is constant, just different on the structure of stator winding 7, with stator winding 7 total coil turns of the single-phase permanent flux-switching generator 8 of a three-dimensional magnetic structure is N, stator winding 7 has been divided into three parts, is respectively L1, L2 and L3, and the number of turn is respectively
,
, and
, the latter is opposite with the above two polarity, and the stator winding 7 of the single-phase permanent flux-switching generator 8 of another three-dimensional magnetic structure has been divided into two parts, is respectively L4 and L5, and the number of turn is
But polarity is opposite, the annexation of each winding as shown in Figure 6, A is the tertiary winding L3 of positive polarity mutually, B is that second winding L 2 of reversed polarity and the 5th winding L 5 of positive polarity are in series mutually, C is that first winding L 1 of reversed polarity and the 4th winding L 4 of reversed polarity are in series mutually, and A, B, C three-phase order can change.
Because of the first stator salient poles 4-1 of the single-phase permanent flux-switching generator 8 of two three-dimensional magnetic structures τ/2 angles that stagger mutually, orthogonal thereto winding construction, the phase place of stator winding 7 output potentials of the single-phase permanent flux-switching generator 8 of a three-dimensional magnetic structure is
, then the phase place of stator winding 7 output potentials of the single-phase permanent flux-switching generator 8 of another three-dimensional magnetic structure is
, establishing the coil-induced electromotive force amplitude of every circle is e, according to two-phase orthogonal winding phase relation, each winding induced electromotive force and corner q are respectively:
First winding L 1:
Second winding L 2:
Tertiary winding L3:
The 4th winding L 4:
The 5th winding L 5:
According to winding connection layout shown in Figure 6, the induced electromotive force of A, B, C three-phase can be expressed as:
The A phase:
The B phase:
The C phase:
Therefore just formed symmetrical three phase sine electricity output.
Embodiment eight: the difference of present embodiment and execution mode five is, the salient pole width a of the first stator salient poles 4-1 is stator poles 0.3 to 0.4 times apart from τ, the first stator salient poles 4-1 and the second stator salient poles 5-1 equal and opposite in direction, other is identical with execution mode five.
Embodiment nine: the difference of present embodiment and execution mode five is, first stator core 4 and second stator core 5 are overrided to form by a plurality of electrical sheet punchings, magnetic conduction connects ring-type iron core 6 by a plurality of electrical sheet reels and laminate and constitute, and other is identical with execution mode five.
Claims (9)
1. the single-phase permanent flux-switching generator of three-dimensional magnetic structure, it comprises external rotor, stator and main shaft (3), described stator is positioned in the middle of main shaft (3) and the external rotor, and stator and main shaft (3) maintain static, it is characterized in that, external rotor comprises rotor yoke (1), two row's magnetic steel arrays (2), and stator comprises that first stator core (4), second stator core (5), magnetic conduction connect ring-type iron core (6) and stator winding (7)
Axial direction along main shaft (3) is disposed with first stator core (4), magnetic conduction connects ring-type iron core (6) and second stator core (5), first stator core (4), the inner surface of magnetic conduction connection ring-type iron core (6) and second stator core (5) is fixedlyed connected with the outer surface of main shaft (3), first stator core (4) that is arranged in parallel and second stator core (5) equal and opposite in direction, the left and right sides end face of magnetic conduction connection ring-type iron core (6) is fixedlyed connected with second stator core (5) with first stator core (4) respectively, in first stator core (4), second stator core (5) is connected with magnetic conduction in the cannelure that ring-type iron core (6) surrounds and is provided with stator winding (7)
Be evenly equipped with P first stator salient poles (4-1) along first stator core (4) outer ring surface, be evenly equipped with P second stator salient poles (5-1) along second stator core (5) outer ring surface, individual second stator salient poles (5-1) of P first stator salient poles (4-1) and P τ/2 angles that stagger, τ is the stator poles distance
Rotor yoke (1) inner surface is provided with two row's magnetic steel arrays (2) parallel to each other, and magnetic steel array (2) is distinguished a uniform 2P magnetic pole along circumference, magnetic steel array (2) radial magnetizing,
One row's magnetic steel array (2) overlaps with the median plane of first stator core (4) perpendicular to main shaft (3) perpendicular to the median plane of main shaft (3), and leave air gap between described row's magnetic steel array (2) and first stator salient poles (4-1), another row's magnetic steel array (2) overlaps with the median plane of second stator core (5) perpendicular to main shaft (3) perpendicular to the median plane of main shaft (3), and leave air gap between described another row's magnetic steel array (2) and second stator salient poles (5-1), first stator core (4), the longitudinal center line of second stator core (5) and two row's magnetic steel arrays (2) overlaps
P is the positive integer greater than 2.
2. the single-phase permanent flux-switching generator of three-dimensional magnetic structure according to claim 1 is characterized in that, stator winding (7) adopts concentrates ring-like winding.
3. the single-phase permanent flux-switching generator of three-dimensional magnetic structure according to claim 1, it is characterized in that, the salient pole width a of first stator salient poles (4-1) is stator poles 0.3 to 0.4 times apart from τ, first stator salient poles (4-1) and second stator salient poles (5-1) equal and opposite in direction.
4. the single-phase permanent flux-switching generator of three-dimensional magnetic structure according to claim 1, it is characterized in that, first stator core (4) and second stator core (5) are overrided to form by a plurality of electrical sheet punchings, and magnetic conduction connects ring-type iron core (6) by a plurality of electrical sheet reels and laminate and constitute.
5. based on the two phase permanent magnet flux-switching generator of the three-dimensional magnetic structure of the single-phase permanent flux-switching generator of the described three-dimensional magnetic structure of claim 1, it is characterized in that, it comprises the single-phase permanent flux-switching generator (8) of rotor yoke connector (9), support ring (10), main shaft connector (11) and two three-dimensional magnetic structures
The rotor yoke (1) and the rotor yoke connector (9) of the single-phase permanent flux-switching generator (8) of two three-dimensional magnetic structures are integral pieces, the main shaft (3) and the main shaft connector (11) of the single-phase permanent flux-switching generator (8) of two three-dimensional magnetic structures are integral pieces, the outer ring surface of support ring (10) is fixedlyed connected with the inner surface of rotor yoke connector (9), the inner ring surface of support ring (10) is connected with main shaft connector (11) bearing
The magnetic steel array (2) of the single-phase permanent flux-switching generator (8) of two three-dimensional magnetic structures is symmetrical arranged along support ring (10), the P of the single-phase permanent flux-switching generator (8) of two three-dimensional magnetic structures first stator salient poles (4-1) τ/2 angles that stagger.
6. the two phase permanent magnet flux-switching generator of three-dimensional magnetic structure according to claim 5 is characterized in that, the stator winding (7) of the single-phase permanent flux-switching generator (8) of two three-dimensional magnetic structures adopts concentrates ring-like winding, and equal turn numbers.
7. the two phase permanent magnet flux-switching generator of three-dimensional magnetic structure according to claim 5, it is characterized in that, the stator winding (7) of the single-phase permanent flux-switching generator (8) of two three-dimensional magnetic structures adopts concentrates ring-like winding, the stator winding (7) of the single-phase permanent flux-switching generator (8) of a three-dimensional magnetic structure is the N circle, and be divided into three parts, be respectively first winding (L1), second winding (L2) and the tertiary winding (L3), the stator winding (7) of the single-phase permanent flux-switching generator (8) of another three-dimensional magnetic structure is divided into two parts, be respectively the 4th winding (L4) and the 5th winding (L5)
The different name end of first winding (L1) is as an end of C phase, and the end of the same name of first winding (L1) links to each other with the different name end of the 4th winding (L4), and the end of the same name of the 4th winding (L4) is as the other end of C phase,
The end of the same name of second winding (L2) is as an end of B phase, and the different name end of second winding (L2) links to each other with the different name end of the 5th winding (L5), and the end of the same name of the 5th winding (L5) is as the other end of B phase,
The two ends of the tertiary winding (L3) are respectively as the two ends of A phase,
Wherein:
The number of turn of first winding (L1) is
,
The number of turn of second winding (L2) is
,
The number of turn of the tertiary winding (L3) is
,
The number of turn of the 4th winding (L4) is
,
The number of turn of the 5th winding (L5) is
, wherein N is a positive integer.
8. the two phase permanent magnet flux-switching generator of three-dimensional magnetic structure according to claim 5, it is characterized in that, the salient pole width a of first stator salient poles (4-1) is stator poles 0.3 to 0.4 times apart from τ, first stator salient poles (4-1) and second stator salient poles (5-1) equal and opposite in direction.
9. the two phase permanent magnet flux-switching generator of three-dimensional magnetic structure according to claim 5, it is characterized in that, first stator core (4) and second stator core (5) are overrided to form by a plurality of electrical sheet punchings, and magnetic conduction connects ring-type iron core (6) by a plurality of electrical sheet reels and laminate and constitute.
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| CN102969816A (en) * | 2012-12-14 | 2013-03-13 | 山东理工大学 | Automobile three-phase short-chord winding permanent alternating current (AC) generator |
| US11482360B2 (en) * | 2017-12-12 | 2022-10-25 | The Boeing Company | Stator secondary windings to modify a permanent magnet (PM) field |
| CN114094726A (en) * | 2020-07-31 | 2022-02-25 | 山东精创磁电产业技术研究院有限公司 | Transverse flux motor stator and rotor assembly and transverse flux motor |
| CN114079327B (en) * | 2020-07-31 | 2023-02-14 | 山东精创磁电产业技术研究院有限公司 | Transverse magnetic flux outer rotor motor |
| CN114094725A (en) * | 2020-07-31 | 2022-02-25 | 山东精创磁电产业技术研究院有限公司 | Transverse flux motor stator and rotor assembly and transverse flux motor |
| CN114094724B (en) * | 2020-07-31 | 2023-04-28 | 山东精创磁电产业技术研究院有限公司 | Transverse flux outer rotor motor |
-
2009
- 2009-08-25 CN CN2009103060592A patent/CN101626186B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101626186A (en) | 2010-01-13 |
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