CN101630873B - Permanent magnetic switch flux linkage generator with mixed magnetic pole structure - Google Patents
Permanent magnetic switch flux linkage generator with mixed magnetic pole structure Download PDFInfo
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- CN101630873B CN101630873B CN2009103060588A CN200910306058A CN101630873B CN 101630873 B CN101630873 B CN 101630873B CN 2009103060588 A CN2009103060588 A CN 2009103060588A CN 200910306058 A CN200910306058 A CN 200910306058A CN 101630873 B CN101630873 B CN 101630873B
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Abstract
The invention discloses a permanent magnetic switch flux linkage generator with a mixed magnetic pole structure, which belongs to the motor field and aims at solving the problems that a low speed permanent magnet generator has low power density, complicated winding structure, difficult manufacture of insulation as the increase of power grate. The invention provides a single-phase motor which has the technical scheme that two stator iron cores are arranged along an axial direction of an outer surface of a main axle; the two stator iron cores are connected by a magnet-conductive connected annular iron core; a stator winding is arranged in a formed annular groove; salient poles on the two stator iron cores stagger a half stator polar distance; an outer rotor consists of a casing, 2P iron main magnetic poles and 2P permanent magnetic poles, wherein the casing does not have permeability, and the inner surfaces of the 2P iron main magnetic poles and the 2P permanent magnetic poles are alternately arranged; the axial distance of the outer end surfaces of two stator iron cores is equal to the axial length of the iron main magnetic pole; and the axial length of the permanent magnetic pole is one tenth to three tens of the length of the iron main magnetic pole. The invention provides a double-phase motor consisting of two single-phase motors, a rotor yoke connecting member, a supporting ring and a main axle connecting member, and two single-phase motors are of an orthogonal winding structure.
Description
Technical field
The present invention relates to a kind of permanent-magnet switch flux-linkage generator of combined magnetic pole 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 combined magnetic pole structure is provided.
First kind of technical scheme provided by the invention: the single-phase permanent flux-switching generator of combined magnetic pole 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 non-magnetic casing, a 2P iron main pole and 2P permanent-magnet pole, 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,
Along the circumferential direction uniform 2P the iron main pole of casing inner surface and 2P permanent-magnet pole, iron main pole and permanent-magnet pole are alternately arranged, the central point of iron main pole and permanent-magnet pole is on same circumference, the permanent-magnet pole axial length is 0.1 to 0.3 times of iron main pole axial length, permanent-magnet pole magnetizes along stator cylindrical tangential direction, the iron main pole is a radial magnetizing
The first stator core outer face equates with the axial distance of the second stator core outer face and the axial length of iron main pole, leave air gap between first stator salient poles and the iron main pole, leave air gap between second stator salient poles and the iron main pole, 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 combined magnetic pole structure of the single-phase permanent flux-switching generator of first kind of described combined magnetic pole structure of technical scheme, it comprises single-phase permanent flux-switching generator, casing connector, support ring and the main shaft connector of two combined magnetic pole structures
The casing and the casing connector of the single-phase permanent flux-switching generator of two combined magnetic pole structures are integral pieces, the main shaft and the main shaft connector of the single-phase permanent flux-switching generator of two combined magnetic pole structures are integral pieces, the outer ring surface of support ring is fixedlyed connected with the inner surface of casing connector, the inner ring surface of support ring is connected with main shaft connector bearing
The iron main pole of the single-phase permanent flux-switching generator of two combined magnetic pole structures is symmetrical arranged along support ring, the P of the single-phase permanent flux-switching generator of two combined magnetic pole 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 permanent flux-switching generator of combined magnetic pole structure, Fig. 4 is that magnetic circuit moves towards figure, Fig. 5 is the structural representation of execution mode three, and Fig. 6 is the wiring schematic diagram of execution mode five 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 present embodiment combined magnetic pole structure, it comprises external rotor, stator and main shaft 8, described stator is positioned in the middle of main shaft 8 and the external rotor, and stator and main shaft 8 maintain static, it is characterized in that, external rotor comprises non-magnetic casing 1,2P iron main pole 2 and 2P permanent-magnet pole 3, stator comprises first stator core 4, second stator core 5, magnetic conduction connects ring-type iron core 6 and stator winding 7
Axial direction along main shaft 8 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 8, 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,
Along the circumferential direction uniform 2P the iron main pole 2 of casing 1 inner surface and 2P permanent-magnet pole 3, iron main pole 2 and permanent-magnet pole 3 are alternately arranged, the central point of iron main pole 2 and permanent-magnet pole 3 is on same circumference, permanent-magnet pole 3 axial lengths are 0.1 to 0.3 times of iron main pole 2 axial lengths, permanent-magnet pole 3 magnetizes along stator cylindrical tangential direction, iron main pole 2 is a radial magnetizing
First stator core, 4 outer faces equate with the axial distance of second stator core, 5 outer faces and the axial length of iron main pole 2, leave air gap between the first stator salient poles 4-1 and the iron main pole 2, leave air gap between the second stator salient poles 5-1 and the iron main pole 2, 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 N pole-face of the first stator salient poles 4-1 and iron main pole 2 is just relative, the second stator salient poles 5-1 is just just relative with the S pole-face of iron main pole 2, the magnetic circuit of this moment as shown in Figure 4, the magnetic line of force of permanent-magnet pole 3 sends along stator cylindrical tangential direction from the N utmost point and enters the permanent-magnet pole S utmost point, magnetic line of force direction changes into axially, half part through iron main pole 2, the magnetic line of force changes into radially then, enter the first stator salient poles 4-1 by air gap, again through first stator core 4, magnetic conduction connects ring-type iron core 6 and enters into second stator core 5, enters the S pole-face of iron main pole 2 along the second stator salient poles 5-1 and air gap again, and magnetic line of force direction changes into axially, through second half part of iron main pole 2, get back to the S utmost point of permanent-magnet pole 3.
The flux change of closed magnetic circuit makes the size and Orientation of the magnetic linkage in the stator stator winding 7 all change, and exchanges back electromotive force thereby produce, and mechanical energy is converted into electric energy, realizes generating.This moment the magnetic flux maximum, along with external rotor rotates, the N pole-face of the first stator salient poles 4-1 and described iron main pole 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 the first stator salient poles 4-1 is regional between two iron main poles 2, 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 S pole-face of iron main pole 2, magnetic flux becomes big gradually by 0 beginning, just relative with the S pole-face of described iron main pole 2 up to the first stator salient poles 4-1, 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 N pole-face of iron main pole 2.Like this, said process periodically carries out, and forms single-phase sinusoidal electricity output.
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 combined magnetic pole structure of the single-phase permanent flux-switching generator of execution mode one described combined magnetic pole structure, it comprises single-phase permanent flux-switching generator 9, casing connector 10, support ring 11 and the main shaft connector 12 of two combined magnetic pole structures
The casing 1 and the casing connector 10 of the single-phase permanent flux-switching generator 9 of two combined magnetic pole structures are integral pieces, the main shaft 8 and the main shaft connector 12 of the single-phase permanent flux-switching generator 9 of two combined magnetic pole structures are integral pieces, the outer ring surface of support ring 11 is fixedlyed connected with the inner surface of casing connector 10, the inner ring surface of support ring 11 is connected with main shaft connector 12 bearings
The iron main pole 2 of the single-phase permanent flux-switching generator 9 of two combined magnetic pole structures is symmetrical arranged along support ring 11, the P of the single-phase permanent flux-switching generator 9 of two combined magnetic pole 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 9 of two combined magnetic pole 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 9 of two combined magnetic pole 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 9 of two combined magnetic pole structures, phase place as stator winding 7 output potentials of the single-phase permanent flux-switching generator 9 of a combined magnetic pole structure is sin θ, then the phase place of stator winding 7 output potentials of the single-phase permanent flux-switching generator 9 of another combined magnetic pole structure is cos θ, 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 9 of two combined magnetic pole structures adopts concentrates ring-like winding, the stator winding 7 of the single-phase permanent flux-switching generator 9 of a combined magnetic pole 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 9 of another combined magnetic pole 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
Wherein N is a positive integer.
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 9 of combined magnetic pole 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 two phase permanent magnet flux-switching generator 9 of a combined magnetic pole 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 two phase permanent magnet flux-switching generator 9 of another combined magnetic pole 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 two phase permanent magnet flux-switching generator 9 of two combined magnetic pole structures τ/2 angles that stagger mutually, orthogonal thereto winding construction, the phase place of stator winding 7 output potentials of the two phase permanent magnet flux-switching generator 9 of a combined magnetic pole structure is sin θ, then the phase place of stator winding 7 output potentials of the single-phase permanent flux-switching generator 9 of another combined magnetic pole structure is cos θ, if 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 rotational angle theta are respectively:
First winding L 1:
Second winding L 2:
Tertiary winding L3:E
L3=Nesin θ
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:
A phase: E
A=Nesin θ
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.
First stator core, 4 second stator cores 5 in the single-phase permanent flux-switching generator 9 of each combined magnetic pole structure 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, 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.
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 combined magnetic pole structure, it comprises external rotor, stator and main shaft (8), described stator is positioned in the middle of main shaft (8) and the external rotor, and stator and main shaft (8) maintain static, it is characterized in that, external rotor comprises non-magnetic casing (1), a 2P iron main pole (2) and 2P permanent-magnet pole (3), 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 (8) 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 (8), 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
Along the circumferential direction uniform 2P iron main pole of casing (1) inner surface (2) and 2P permanent-magnet pole (3), iron main pole (2) and permanent-magnet pole (3) are alternately arranged, the central point of iron main pole (2) and permanent-magnet pole (3) is on same circumference, permanent-magnet pole (3) axial length is 0.1 to 0.3 times of iron main pole (2) axial length, permanent-magnet pole (3) magnetizes along stator cylindrical tangential direction, iron main pole (2) is a radial magnetizing
First stator core (4) outer face equates with the axial distance of second stator core (5) outer face and the axial length of iron main pole (2), leave air gap between first stator salient poles (4-1) and the iron main pole (2), leave air gap between second stator salient poles (5-1) and the iron main pole (2)
P is the positive integer greater than 2.
2. the single-phase permanent flux-switching generator of combined magnetic pole 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 combined magnetic pole 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 combined magnetic pole 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 combined magnetic pole structure of the single-phase permanent flux-switching generator of the described combined magnetic pole structure of claim 1, it is characterized in that, it comprises single-phase permanent flux-switching generator (9), casing connector (10), support ring (11) and the main shaft connector (12) of two described combined magnetic pole structures
The casing (1) and the casing connector (10) of the single-phase permanent flux-switching generator (9) of two described combined magnetic pole structures are integral pieces, the main shaft (8) and the main shaft connector (12) of the single-phase permanent flux-switching generator (9) of two described combined magnetic pole structures are integral pieces, the outer ring surface of support ring (11) is fixedlyed connected with the inner surface of casing connector (10), the inner ring surface of support ring (11) is connected with main shaft connector (12) bearing
The iron main pole (2) of the single-phase permanent flux-switching generator (9) of two described combined magnetic pole structures is symmetrical arranged along support ring (11), the P of the single-phase permanent flux-switching generator (9) of two described combined magnetic pole structures first stator salient poles (4-1) τ/2 angles that stagger.
6. the two phase permanent magnet flux-switching generator of combined magnetic pole structure according to claim 5, it is characterized in that, the stator winding (7) of the single-phase permanent flux-switching generator (9) of two described combined magnetic pole structures adopts concentrates ring-like winding, and equal turn numbers.
7. the two phase permanent magnet flux-switching generator of combined magnetic pole structure according to claim 5, it is characterized in that, the stator winding (7) of the single-phase permanent flux-switching generator (9) of two described combined magnetic pole structures adopts concentrates ring-like winding, the stator winding (7) of the single-phase permanent flux-switching generator (9) of a described combined magnetic pole 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 (9) of another described combined magnetic pole 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 combined magnetic pole 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 combined magnetic pole 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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| CN2009103060588A CN101630873B (en) | 2009-08-25 | 2009-08-25 | Permanent magnetic switch flux linkage generator with mixed magnetic pole structure |
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| CN2009103060588A CN101630873B (en) | 2009-08-25 | 2009-08-25 | Permanent magnetic switch flux linkage generator with mixed magnetic pole structure |
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| CN102195422A (en) * | 2011-05-20 | 2011-09-21 | 戴珊珊 | Multilayer coupling type external rotor permanent magnet brushless motor |
| US11482360B2 (en) | 2017-12-12 | 2022-10-25 | The Boeing Company | Stator secondary windings to modify a permanent magnet (PM) field |
| CN112510953B (en) * | 2020-11-25 | 2021-09-28 | 哈尔滨工业大学 | Transverse dislocation brushless double-rotor motor based on unilateral magnetic regulation principle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2120109A (en) * | 1936-07-22 | 1938-06-07 | Gen Electric | Inductor dynamo-electric machine |
| CN1842954A (en) * | 2003-06-12 | 2006-10-04 | 莱特工程公司 | Radial airgap, transverse flux motor |
-
2009
- 2009-08-25 CN CN2009103060588A patent/CN101630873B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2120109A (en) * | 1936-07-22 | 1938-06-07 | Gen Electric | Inductor dynamo-electric machine |
| CN1842954A (en) * | 2003-06-12 | 2006-10-04 | 莱特工程公司 | Radial airgap, transverse flux motor |
Non-Patent Citations (1)
| Title |
|---|
| JP平3-57915A 1991.03.13 |
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| CN101630873A (en) | 2010-01-20 |
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