CN108649760A - A kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines - Google Patents

A kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines Download PDF

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Publication number
CN108649760A
CN108649760A CN201810427999.6A CN201810427999A CN108649760A CN 108649760 A CN108649760 A CN 108649760A CN 201810427999 A CN201810427999 A CN 201810427999A CN 108649760 A CN108649760 A CN 108649760A
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China
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rotor
switched reluctance
reluctance machines
magnetic flux
motor
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孙炜
李强
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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Priority to CN201810427999.6A priority Critical patent/CN108649760A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/02Machines with one stator and two or more rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Abstract

The invention discloses a kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines, and composition includes stator (1), left rotor (2), right rotor (3), Exciting Windings for Transverse Differential Protection (4), rotor endcap (5), bearing (6) and hollow support pipe (7);Stator (1) includes field pole (1 1), external magnetic guiding loop (1 2), internal magnetic guiding loop (1 3), field pole support element (1 4) and stator support (1 5);Left rotor (2) includes left rotor piecemeal iron core (2 1) and left rotor support element (2 2);Right rotor (3) includes right rotor piecemeal iron core (3 1) and right rotor support element (3 2).On the one hand motor of the present invention is improved the winding utilization of motor, on the other hand weakens the end effect of motor, and then improved the reliability of motor using the winding configuration of centralization.In addition, the smooth rotor supports part of the stator and rotor sructure of used piecemeal and surface, it helps inhibit the wind moussing loss of motor, improve electric efficiency.

Description

A kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines
Technical field
The invention belongs to motor fields, and in particular to a kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines.
Background technology
Switched reluctance machines firm, at low cost, control simple in structure flexibly, good reliability, fault-tolerant ability it is strong, there is high temperature And the advantages that high-speed adaptability, but so that it is will produce in high-speed cruising larger for the stator and rotor sructure of switched reluctance machines double-salient-pole Wind moussing loss.Although magneto has higher power density, there are adjustable magnetic difficulties and high temperature demagnetization and vibration to move back The problems such as magnetic.In addition, along with country to the protective development of rare earth resources and the quick increase of market demand, magneto Cost be gradually increased.It is fault-tolerant in high reliability and height that these problems from the angle of feasibility and economy limit magneto Further genralrlization in property application scenario.Therefore, it is one that switched reluctance machines small, that windage is small, fault-tolerant ability is strong, which are lost, in exploitation Kind inexorable trend.
Partitioned organization switched reluctance machines by using piecemeal stator or rotor structure, on the one hand by obtain it is shorter Magnetic circuit is to weaken core loss, on the other hand by using smooth iron core set to inhibit windage, more traditional switching magnetic-resistance electricity Machine is more efficient, but common partitioned organization switched reluctance machines using it is whole away from winding configuration.This winding configuration have compared with On the one hand long winding overhang reduces the utilization rate of winding, especially in the case where motor major diameter is smaller;On the other hand The end effect for having aggravated motor, to reduce the reliability of motor.
Invention content
The invention aims to provide a kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines, used by Centralized winding configuration, on the one hand improves the winding utilization of motor, on the other hand weakens the end effect of motor, in turn Improve the reliability of motor.In addition, the smooth rotor supports part of the stator and rotor sructure of used piecemeal and surface, also has The wind moussing loss for helping inhibit motor, improves electric efficiency.
Realize that the technical solution of the object of the invention is:
1, a kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines, composition include stator 1, left rotor 2, the right side Side rotor 3, Exciting Windings for Transverse Differential Protection 4, rotor endcap 5, bearing 6 and hollow support pipe 7;Stator 1 includes field pole 1-1, external magnetic guiding loop 1-2, internal magnetic guiding loop 1-3, field pole support element 1-4 and stator support 1-5;Left rotor 2 includes left rotor piecemeal iron Heart 2-1 and left rotor support element 2-2;Right rotor 3 includes right rotor piecemeal iron core 3-1 and right rotor support element 3-2; Field pole 1-1 is fixedly connected with external magnetic guiding loop 1-2 with inside magnetic guiding loop 1-3 by field pole support element 1-4, and passes through stator Support element 1-5 is fixedly mounted on hollow support pipe 7;Exciting Windings for Transverse Differential Protection 4 is wound on field pole 1-1;Left rotor piecemeal iron core 2-1 is on left rotor support element 2-2, and right rotor piecemeal iron core 3-1 is on right rotor support element 3-2;Left side turns Son 2 is fixedly connected with 3 one side of right rotor by rotor endcap 5, is on the other hand mounted on hollow support pipe 7 by bearing 6 On.
2, field pole 1-1 is piecemeal core construction, and is along the circumferential direction spacedly distributed, and layout pitch is 360 °/Ns, Middle NsFor stator excitation number of poles.
3, outside magnetic guiding loop 1-2 and inside magnetic guiding loop 1-3 is circular cylindrical structure.
4, field pole support element 1-4 is fixedly mounted on the intermediate position of stator 1.
5, Exciting Windings for Transverse Differential Protection 4 is centralized winding, and is wound on each field pole 1-1.
6, Exciting Windings for Transverse Differential Protection 4 consists of two parts, including left side Exciting Windings for Transverse Differential Protection 4-1 and right side Exciting Windings for Transverse Differential Protection 4-2, and left side is encouraged The excitation polarity and umber of turn all same of magnetic winding 4-1 and right side Exciting Windings for Transverse Differential Protection 4-2.
7, the left side Exciting Windings for Transverse Differential Protection 4-1 and right side Exciting Windings for Transverse Differential Protection 4-2 being wound on same field pole 1-1 are connected in series with.
8, it is wound on the excitation polarity all same of the Exciting Windings for Transverse Differential Protection 4 on each field pole 1-1.
9, left rotor 2 and right rotor 3 are symmetrically distributed in the left and right sides of stator 1, and are in perfectly aligned position, and It is fixedly connected by rotor endcap 5.
10, left rotor piecemeal iron core 2-1 and right rotor piecemeal iron core 3-1 is piecemeal core construction, and rotor divides Block is along the circumferential direction spacedly distributed, and layout pitch is 360 °/Nr, wherein NrFor rotor number of poles.
Compared with prior art, the present invention its remarkable advantage:
1, the rotor piecemeal iron core of the motor is in the smooth rotor supports part in surface, with traditional double-salient-pole structure Switched reluctance machines compare, contribute to inhibit wind moussing loss;
2, the winding configuration of used centralization, with traditional partitioned organization switching magnetic-resistance using integral pitch winding form Motor is compared, have shorter winding overhang, on the one hand improve the winding utilization of motor, on the other hand weaken motor around The end effect of group, helps to improve the reliability of motor;
3, the main magnetic circuit of Conventional switched reluctance motor need to be generated by least a pair of of stator poles, and stator poles need to be motor phase Several even-multiples, and the main magnetic circuit of the motor can be generated by the stator excitation pole of any number, and stator excitation number of poles can be Arbitrary times of number of motor phases, therefore the motor has more rotor number of poles assembled schemes, that is, there are more motors to open up Flutter structure type and higher design freedom;
4, the degree of coupling between same mutually each main magnetic circuit of the motor and the degree of coupling between each phase main magnetic circuit compared with Traditional switched reluctance machines are low, are convenient for the Simplified analysis of model, contribute to modularized design.
Description of the drawings
Fig. 1 is the structure complete section schematic diagram of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 2 (a) is the cross section A-A sectional view of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 2 (b) is the section B-B sectional view of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 2 (c) is the section C-C sectional view of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 2 (d) is the section D-D sectional view of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 3 is the three-dimensional explosion figure of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 4 is the main magnetic circuit figure of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 5 is the operation principle of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 6 (a) is the driving circuit of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 6 (b) is the type of drive of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 7 (a) is magnetic vector distributed simulation result of the motor when A is conducted;
Fig. 7 (b) is magnetic vector distributed simulation result of the motor when B is conducted;
Fig. 7 (c) is magnetic vector distributed simulation result of the motor when C is conducted;
Fig. 8 is the three pole reactor curve simulation result of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 9 (a) is the one-phase static torque characteristics of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
Fig. 9 (b) is the three phase static torque characteristics of the two-rotor axial magnetic flux partitioned organization switched reluctance machines;
In figure:1 is stator, and 1-1 is field pole, and 1-2 is external magnetic guiding loop, and 1-3 is internal magnetic guiding loop, and 1-4 is field pole Support element, 1-5 are stator support, and 2 be left rotor, and 2-1 is left rotor piecemeal iron core, and 2-2 is left rotor support element, 3 be right side stator, and 3-1 is right rotor piecemeal iron core, and 3-2 is right rotor support element, and 4 be Exciting Windings for Transverse Differential Protection, and 4-1 encourages for left side Magnetic winding, 4-2 are right side Exciting Windings for Transverse Differential Protection, and 5 be rotor endcap, and 6 be bearing, and 7 be hollow support pipe.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes.
1, rotor number of poles combines
The common switched reluctance machines number of phases is 3 phases, 4 phases and 5 phases, corresponding to rotor number of poles usually meet formula (1).In formula:Ns、NrIt is respectively stator poles, rotor number of poles and number of motor phases with m.It is fixed to turn for m phase switch reluctance motors Sub- number of poles assembled scheme usually meets formula (2).
The main flux of Conventional switched reluctance motor need to jointly be generated by the Exciting Windings for Transverse Differential Protection at least a pair of of stator poles, therefore be passed The stator poles of system switched reluctance machines are necessary for the even-multiple of number of motor phases.However, to birotor axial magnetic of the present invention For reduction of fractions to a common denominator block structure switched reluctance machines, the main flux of motor by single stator excitation extremely on Exciting Windings for Transverse Differential Protection generate.Therefore, The stator poles of two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention can be arbitrary times of number of motor phases, Either odd-multiple, can also be integral multiple.
Conventional switched reluctance motor and two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention it is common The comparison of rotor number of poles assembled scheme is as shown in Table 1.As shown in Table 1, two-rotor axial magnetic flux piecemeal knot of the present invention Structure switched reluctance machines have more rotor number of poles assembled schemes, that is, have more topographical forms and higher set Count degree of freedom.And the present invention is 3, stator excitation number of poles N with number of motor phases msFor 12 and rotor number of poles NrFor 8, this hair is provided Structure, operation principle, type of drive and the simulation analysis of the bright motor.
The comparison of the common rotor number of poles assembled scheme of one Conventional switched reluctance motor of table and motor of the present invention
(x is arbitrary positive integer in table)
2, electric machine structure
As shown in Figure 1, the structure complete section signal of two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention Figure, including stator 1, left rotor 2, right rotor 3, Exciting Windings for Transverse Differential Protection 4, rotor endcap 5, bearing 6 and hollow support pipe 7;Stator 1 Including field pole 1-1, external magnetic guiding loop 1-2, internal magnetic guiding loop 1-3, field pole support element 1-4 and stator support 1-5;Left side Rotor 2 includes left rotor piecemeal iron core 2-1 and left rotor support element 2-2;Right rotor 3 includes right rotor piecemeal iron core 3-1 and right rotor support element 3-2;Field pole 1-1 is by field pole support element 1-4 with external magnetic guiding loop 1-2 and internal magnetic conduction Ring 1-3 is fixedly connected, and is fixedly mounted on hollow support pipe 7 by stator support 1-5;Exciting Windings for Transverse Differential Protection 4 is wound on excitation On the 1-1 of pole;Left rotor piecemeal iron core 2-1 is on left rotor support element 2-2, and right rotor piecemeal iron core 3-1 is embedded in the right side On the rotor supports part 3-2 of side;Left rotor 2 is fixedly connected with 3 one side of right rotor by rotor endcap 5, on the other hand logical Bearing 6 is crossed on hollow support pipe 7.
It is illustrated in figure 2 the sectional view of two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention, wherein Fig. 2 (a) show the cross section A-A sectional view of motor, and Fig. 2 (b) show the section B-B sectional view of motor, and Fig. 2 (c) is shown The section C-C sectional view of motor, Fig. 2 (d) show the section D-D sectional view of motor.
By Fig. 2 (a) and Fig. 2 (b) it is found that Exciting Windings for Transverse Differential Protection 4 is wound on respectively on corresponding stator excitation pole 1-1, wherein encouraging Magnetic winding 4 divides for A, B and C three-phase.Exciting Windings for Transverse Differential Protection 4 is centralized winding, and by left side Exciting Windings for Transverse Differential Protection 4-1 and right side Exciting Windings for Transverse Differential Protection 4-2 two parts form.Left side Exciting Windings for Transverse Differential Protection 4-1 and right side Exciting Windings for Transverse Differential Protection 4-2 are connected in series with, and are wound on field pole 1-1, and It is located at the left and right sides of field pole support element 1-4.Since winding configuration used by the motor is centralized winding, with Traditional is compared using the partitioned organization switched reluctance machines of integral pitch winding form, is had shorter winding overhang, is on the one hand carried The high winding utilization of motor, on the other hand weakens the end effect of machine winding, helps to improve the reliability of motor. In addition, outside magnetic guiding loop 1-2 and inside magnetic guiding loop 1-3 are circular cylindrical structure, and field pole 1-1 is piecemeal core construction, And be along the circumferential direction spacedly distributed, layout pitch is 360 °/Ns, wherein NsFor stator excitation number of poles.
The motor is by tri- phase composition of A, B and C, and each phase winding distribution of motor such as Fig. 2 (a) and Fig. 2 (b) is shown, in figure Each phase winding lead-out wire of asterisk label is the reference direction of corresponding phase winding.It is just when electric current flows into i.e. electric current from reference direction When direction, it can be labeled as A+, B+ and C+, the polarity of each left side Exciting Windings for Transverse Differential Protection 4-1 is N polarity in Fig. 2 (a), and in Fig. 2 (b) The polarity of each right side Exciting Windings for Transverse Differential Protection 4-2 is S polarity.When electric current from reference direction outflow be electric current be negative direction when, can mark For A-, B- and C-, the polarity of each left side Exciting Windings for Transverse Differential Protection 4-1 is S polarity in Fig. 2 (a), and each right side Exciting Windings for Transverse Differential Protection in Fig. 2 (b) The polarity of 4-2 is N polarity.
By Fig. 2 (c) and Fig. 2 (d) it is found that left rotor piecemeal iron core 2-1 and right rotor piecemeal iron core 3-1 are symmetrical In the left and right sides of stator 1, and it is in perfectly aligned position, and is fixedly connected by rotor endcap 5.In addition, left rotor point Block iron core 2-1 and right rotor piecemeal iron core 3-1 is piecemeal core construction, and is along the circumferential direction spacedly distributed, between distribution It is divided into 360 °/Nr, wherein NrFor rotor number of poles.Due to left rotor piecemeal iron core 2-1 and right rotor piecemeal iron core 3-1 difference In surface smooth left rotor support element 2-2 and right rotor support element 3-2, the switch with traditional double-salient-pole structure Reluctance motor is compared, and the motor has smaller wind moussing loss.
It is illustrated in figure 3 the three-dimensional explosion figure of the two-rotor axial magnetic flux partitioned organization switched reluctance machines.Due to fixed Sub- support element 1-5, bearing 6 and hollow support pipe 7 are the Automatic manual transmission component of motor, do not influence the magnetic structure and fortune of motor Row principle, therefore omitted in explosion figure shown in Fig. 3.
3, the operation principle of motor
As shown in figure 4, the main magnetic circuit of two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention:Motor master Magnetic flux is generated by the Exciting Windings for Transverse Differential Protection 4 being wound on field pole 1-1, and across field pole 1-1 and left rotor piecemeal iron core 2-1 it Between air gap enter left rotor piecemeal iron core 2-1.It is divided into two-way after main flux enters left rotor piecemeal iron core 2-1:One Road magnetic flux circulates along left rotor piecemeal iron core 2-1 to motor outer diameter direction, and across left rotor piecemeal iron core 2-1 and outside Air gap between portion magnetic guiding loop 1-2 enters external magnetic guiding loop 1-2, and then returning to field pole 1-1 formation along symmetric path later closes Close magnetic circuit 1;Another way magnetic flux circulates along left rotor piecemeal iron core 2-1 to motor internal diameter direction, and across left rotor point Air gap between block iron core 2-1 and internal magnetic guiding loop 1-3 enters internal magnetic guiding loop 1-3, then returns to encourage along symmetric path later Magnetic pole 1-1 forms closed magnetic circuit 2.
The operation principle of two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention is as shown in figure 5, with one For phase winding, the period of change of the phase winding inductance curve of the two-rotor axial magnetic flux partitioned organization switched reluctance machines is One rotor polar distance τr, the wherein half period is inductance rising area, and in addition the half period is inductance descending area.When motor rises in inductance When area is connected, motor will export positive electromagnetic torque, and when motor is when inductance descending area is connected, motor will export reversed electromagnetism Torque.Therefore, in order to generate positive electromagnetic torque, the conducting section of motor is the ascent stage of phase winding inductance curve.
4, the type of drive of motor
The type of drive of two-rotor axial magnetic flux partitioned organization switched reluctance machines of the present invention is as shown in fig. 6, wherein Fig. 6 (a) is the driving circuit of the motor, and Fig. 6 (b) is the type of drive of the motor.In Fig. 6 (a), VDCFor driving circuit DC bus-bar voltage, SA、SBAnd SCThe respectively drive signal of A phases, B phases and C phase branch power switching tubes.
As shown in Fig. 6 (a), a phase winding of motor is connected between two power switch tubes.When two power switch tubes When simultaneously turning on, power supply is to winding power;When two power switch tubes turn off, the electric current on winding cannot be mutated, and electric current follows Fly-wheel diode to DC power supply feedback electric energy.It, should since windings in series is between two switching tubes in this driving circuit Switching tube bridge arm direct pass phenomenon is not present in circuit, and reliability is high;And between each phase main circuit independently of each other, Coupling Between Phases are small, tool There is good fault freedom.
As shown in Fig. 6 (b), the angle offset between each phase winding inductance curve is τr/ 3, i.e. B phase windings inductance curve is stagnant The angle of A phase windings inductance curve is τ afterwardsrThe angle that/3, C phase winding inductance curve lag B phase winding inductance curves is τr/3。 Therefore, in order to constantly generate positive electromagnetic torque, the switching signal S of each phase windingA、SBAnd SCAngle also offset THS successivelyr/ 3, i.e. the conducting phase sequence of motor is A-B-C.
The controllable parameter of the motor is more, such as turn-on angle θon, shutdown angle θoff, phase average voltage and phase current copped wave limit Parameter known to these is adjusted in width etc., you can flexibly realizes the operating status control of the motor.In terms of comprehensive, motor Control mode there are three types of:(PWM), Current cut control (CCC) and Angle-domain imaging (APC) known to pulsewidth modulation.In order to The motor external characteristics for realizing requirement carries out the different switchings for understanding pattern in different velocity intervals, to reach preferable real-time Control effect.It is generally connected using the half period in low speed, in conjunction with Current cut control, it can be achieved that the permanent torque control of motor; In high speed then mainly use Angle-domain imaging, at this moment in order to promote electric current accelerate rise, it is necessary in advance turn-on angle θon;In order to Afterflow is avoided to enter inductance descending area and generate braking moment, it is necessary to reduce shutdown angle θoff, to realize the invariable power control of motor System.
5, the simulation analysis of motor performance
It is as follows to emulate rating of machine:Rated power 1kW, rated speed 2000r/min, number of motor phases 3, stator poles It is 12, rotor number of poles is 8.
Fig. 7 (a), Fig. 7 (b) and Fig. 7 (c) are respectively the two-rotor axial magnetic flux partitioned organization switching magnetic-resistance of 12/8 pole structure The magnetic vector distributed simulation result that motor is conducted in A phases, B phases and C.As seen from the figure, belong to 4 masters of same phase Magnetic circuit is separated from each other, and is located at different motor facies tracts, therefore the coupling between each main magnetic circuit for belonging to same phase of motor Conjunction degree is relatively low.
Fig. 8 is the three pole reactor curve emulation of the two-rotor axial magnetic flux partitioned organization switched reluctance machines of 12/8 pole structure As a result, upper figure is the self-induction characteristic curve of each phase winding in figure, and mutual inductance characteristic curve of the figure below between each phase winding.By scheming It is found that the mutual inductance between each phase winding is much smaller than the self-induction of each phase winding, therefore the coupling journey between each phase main magnetic circuit of motor It spends low.
Fig. 9 is the static torque characteristic Simulation of the two-rotor axial magnetic flux partitioned organization switched reluctance machines of 12/8 pole structure As a result, wherein Fig. 9 (a) and Fig. 9 (b) are respectively the single-phase and three phase static torque characteristics of motor.As seen from the figure, with excitation electricity The static torque output of the increase of stream, motor improves.In addition, the exciting current in motor is identical, each phase winding swashs Encourage the static torque characteristic of generation offset THS successivelyr/ 3 rotor position angle.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (10)

1. a kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines, it is characterised in that:Including stator (1), left rotor (2), right rotor (3), Exciting Windings for Transverse Differential Protection (4), rotor endcap (5), bearing (6) and hollow support pipe (7);Stator (1) includes encouraging Magnetic pole (1-1), external magnetic guiding loop (1-2), internal magnetic guiding loop (1-3), field pole support element (1-4) and stator support (1-5); Left rotor (2) includes left rotor piecemeal iron core (2-1) and left rotor support element (2-2);Right rotor (3) includes right side Rotor piecemeal iron core (3-1) and right rotor support element (3-2);Field pole (1-1) is by field pole support element (1-4) with outside Magnetic guiding loop (1-2) is fixedly connected with internal magnetic guiding loop (1-3), and is fixedly mounted on hollow support by stator support (1-5) It manages on (7);Exciting Windings for Transverse Differential Protection (4) is wound on field pole (1-1);Left rotor piecemeal iron core (2-1) is supported embedded in left rotor On part (2-2), right rotor piecemeal iron core (3-1) is on right rotor support element (3-2);Left rotor (2) and right side turn Sub (3) are on the one hand fixedly connected by rotor endcap (5), are on the other hand mounted on hollow support pipe (7) by bearing (6).
2. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1, it is characterised in that:Field pole (1-1) is piecemeal core construction, and is along the circumferential direction spacedly distributed, and layout pitch is 360 °/Ns, wherein NsFor stator excitation Number of poles.
3. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1, it is characterised in that:It leads outside Magnet ring (1-2) and internal magnetic guiding loop (1-3) are circular cylindrical structure.
4. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1, it is characterised in that:Field pole Support element (1-4) is fixedly mounted on the intermediate position of stator (1).
5. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1, it is characterised in that:Excitation around Group (4) is centralized winding, and is wound on each field pole (1-1).
6. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1 or 5, it is characterised in that:It encourages Magnetic winding (4) consists of two parts, including left side Exciting Windings for Transverse Differential Protection (4-1) and right side Exciting Windings for Transverse Differential Protection (4-2), and left side Exciting Windings for Transverse Differential Protection The excitation polarity and umber of turn all same of (4-1) and right side Exciting Windings for Transverse Differential Protection (4-2).
7. the two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1 or 5 or 6, it is characterised in that: The left side Exciting Windings for Transverse Differential Protection (4-1) and right side Exciting Windings for Transverse Differential Protection (4-2) being wound on same field pole (1-1) are connected in series with.
8. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1 or 5, it is characterised in that:Around Make the excitation polarity all same of the Exciting Windings for Transverse Differential Protection (4) on each field pole (1-1).
9. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1, it is characterised in that:Left side turns Sub (2) and right rotor (3) are symmetrically distributed in the left and right sides of stator (1), and are in perfectly aligned position, and pass through rotor-end Lid (5) is fixedly connected.
10. two-rotor axial magnetic flux partitioned organization switched reluctance machines according to claim 1, it is characterised in that:Left side Rotor piecemeal iron core (2-1) and right rotor piecemeal iron core (3-1) are piecemeal core construction, and rotor piecemeal is along the circumferential direction It is spacedly distributed, layout pitch is 360 °/Nr, wherein NrFor rotor number of poles.
CN201810427999.6A 2018-05-07 2018-05-07 A kind of two-rotor axial magnetic flux partitioned organization switched reluctance machines Pending CN108649760A (en)

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CN204361874U (en) * 2015-01-20 2015-05-27 山东拓博节能科技有限公司 A kind of Conveyor switched reluctance motor
CN107979255A (en) * 2016-10-24 2018-05-01 南京理工大学 A kind of Double-stator axial magnetic flow switched reluctance machines of big torque low pulse
CN108599493A (en) * 2018-04-25 2018-09-28 江苏大学 A kind of pure electric automobile axial magnetic flux Hybrid Excitation Switched Reluctance Motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110460175A (en) * 2019-07-26 2019-11-15 南京理工大学 A kind of axial magnetic flux concentratred winding type mixed excitation electric machine

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