CN102412684A - Brushless double-feedback motor of winding rotor - Google Patents
Brushless double-feedback motor of winding rotor Download PDFInfo
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- CN102412684A CN102412684A CN2011103458713A CN201110345871A CN102412684A CN 102412684 A CN102412684 A CN 102412684A CN 2011103458713 A CN2011103458713 A CN 2011103458713A CN 201110345871 A CN201110345871 A CN 201110345871A CN 102412684 A CN102412684 A CN 102412684A
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Abstract
The invention discloses a brushless double-feedback motor of a winding rotor, which belongs to winding rotor motors. The problems of low slot space utilization rate, effective conductor utilization rate of a rotor winding and winding coefficient of a traditional brushless double-feedback motor of the winding rotor are solved. A power winding and a control winding which are mutually independent are arranged on a stator; Z rotor slots and m phase rotor windings are distributed on a rotor core; each phase rotor winding is provided with a parallel branches; each parallel branch consists of two or three coil groups; first, second and third pitches which are different are respectively adopted in coils with different turn numbers in the first, second and third coil groups; the coils in each coil group are connected in series; and each coil group is in short-circuit connection. The turn number of each winding coil can be flexibly adjusted; the slot space utilization rate, the effective conductor utilization rate of the rotor winding and the winding coefficient can be improved by 5 to 15 percent; and other harmonic waves are inhibited and the content of the harmonic waves is reduced to the maximal degree.
Description
Technical field
The invention belongs to winding rotor motor, be specifically related to a kind of Wound rotor brushless double fed motor, its rotor adopts irregular pitch and does not wait number of turn loop construction.
Background technology
Brushless dual-feed motor has a wide range of applications at aspect the big capacity ac variable frequency speed regulation and shaft generator peculiar to vessel, hydroelectric power generation and wind power generation aspect; Simple in structure, sturdy and durable; Cancellation brush and slip ring on the rotor, safe and reliable to operation, maintenance cost is low; Its biggest advantage is that the capacity of required frequency converter is little, can reduce system cost.Brushless dual-feed motor is the AC induction motor that is made up of the stator winding of two cover different poles logarithms and rotor, and two cover stator winding are called power winding and control winding respectively, and rotor can adopt special cage modle, reluctance rotor or wound rotor.The brushless dual-feed motor basic principle is that the rotating magnetic field that the rotor of process particular design makes two cover stator winding produce the different poles logarithms interacts indirectly, and can control its interaction and realize NE BY ENERGY TRANSFER; Motor can move as motor, also can have the characteristics of asynchronous machine and synchronous machine concurrently as generator operation.The connected mode of change control winding and amplitude, phase place and the frequency of power supply voltage and current thereof can realize the multiple operational mode of brushless dual-feed motor.
The key factor that influences the brushless dual-feed motor performance is the structure of rotor.The rotor of brushless dual-feed motor mainly adopts special cage modle and two kinds of structures of reluctance rotor both at home and abroad, and wherein special cage-type rotor processing and manufacturing is easy, with low cost; Reluctance rotor is firm in structure, and rotor is made up of iron-core lamination and permanent magnet, does not have conductor and winding on the rotor.Special cage-type rotor must be processed concentric type distribution short-circuited winding structure, and its iron core of reluctance rotor must be processed the structure of similar salient pole, under the restriction of these conditions, makes these two kinds of rotor structures all have the big shortcoming of harmonic content.
The patent of invention of the patent No. 200910061297.1 " a kind of Wound rotor brushless double fed motor " comprises stator and rotor, has separate power winding and control winding on the stator, and the power winding is respectively number of pole-pairs p with the control winding
1, p
2Three-phase symmetric winding; Has m phase rotor winding in the rotor core, p
1, p
2Be positive integer, and p
1≠ p
2, m=(p
1+ p
2)/m
k, as (p
1+ p
2) when being odd number, m
k=1; As (p
1+ p
2) when being even number, m
k=2; The structure of pitches such as its rotor winding coil employing (etc. span) satisfies the rotor design requirement of alternating-current brushless double feedback electric engine through utilizing rotor winding slot ripples magnetomotive force, and slot space utilance, rotor winding active conductor utilance and winding coefficient are on the low side.
Summary of the invention
The present invention provides a kind of Wound rotor brushless double fed motor, solves slot space utilance, rotor winding active conductor utilance and winding coefficient problem of lower that existing Wound rotor brushless double fed motor exists.
A kind of Wound rotor brushless double fed motor of the present invention comprises stator and rotor, has separate power winding and control winding on the stator, and the power winding is respectively number of pole-pairs p with the control winding
1, p
2Three-phase symmetric winding; Said rotor core upper edge circumference Z the rotor that evenly distribute, Z=n (p
1+ p
2), having m phase rotor winding in the rotor core, every phase rotor winding has a bar parallel branch, every parallel branch is made up of n=1～30, a=1～4, p two or three coil groups
1, p
2Be 1～30 and p
1≠ p
2, m=(p
1+ p
2)/m
k, as (p
1+ p
2) when being odd number, m
k=1; As (p
1+ p
2) when being even number, m
k=2; It is characterized in that:
When said parallel branch was made up of two coil groups, first coil groups had the coil of 2～6 kinds of different numbers of turn, all adopts first segment apart from y
1, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Second coil groups has the coil of 1～4 kind of different number of turn, all adopts the second pitch y
2, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Each coil series connection in first coil groups, each coil series connection in second coil groups, first coil groups and second coil groups connect from short circuit;
When said parallel branch was made up of three coil groups, first coil groups had the coil of 2～6 kinds of different numbers of turn, all adopts first segment apart from y
1, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Second coil groups has the coil of 1～4 kind of different number of turn, all adopts the second pitch y
2, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; The tertiary coil group has the coil of 1～4 kind of different number of turn, all adopts the 3rd pitch y
3, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Each coil series connection in first coil groups, each coil series connection in second coil groups, each coil series connection in the tertiary coil group, first coil groups connects from short circuit with second, third coil groups;
Work as p
1＜p
2The time, y
1, y
2, y
3Span be Z/ (2p
2)～Z/ (2p
1) between integer, and y
1＜y
2, y
1＜y
3, y
2≠ y
3Work as p
1＞p
2The time, y
1, y
2, y
3Span be Z/ (2p
1)～Z/ (2p
2) between integer, and y
1＜y
2, y
1＜y
3, y
2≠ y
3
Described Wound rotor brushless double fed motor is characterized in that:
In said first coil groups, the coil of 2～6 kinds of different numbers of turn is with phase axis left-right symmetric, and its number of turn is pressed the cosine rule and distributed.
Described Wound rotor brushless double fed motor is characterized in that:
When said parallel branch is made up of two coil groups, the magnetomotive force vector that the magnetomotive force vector that said first coil groups produces and second coil groups produce be superimposed upon on the same axis;
When said parallel branch is made up of three coil groups, the magnetomotive force vector that the magnetomotive force vector that said first coil groups produces and second, third coil groups produce be superimposed upon on the same axis.
The wound rotor structure that the present invention proposes, its main according to be in the AC MACHINE WINDING THEORY about winding " slot ripples " theoretical and based on irregular pitch with the application that does not wait the positive chorded winding theory of number of turn coil.At first according to winding " slot ripples " theory, it is p that the rotor design of Windings is become can induce number of pole-pairs simultaneously
1And p
2The first-harmonic magnetomotive force, theoretical based on positive chorded winding then, adopt irregular pitch and do not wait number of turn coil that the rotor winding is adjusted, reduce the motor harmonic content as far as possible.
For Z rotor, according to the symmetrical winding of m of number of pole-pairs p design, be the first-harmonic magnetomotive force of p except that producing number of pole-pairs, also will produce number of pole-pairs simultaneously and be kZ ± p (k=1,2,3 ... Positive integer) slot ripples magnetomotive force, its winding coefficient is identical with first-harmonic.Number of pole-pairs v=Z-p and v=Z+p are less, are called the single order slot ripples of number of pole-pairs p first-harmonic.The single order slot ripples that utilizes winding to produce is when rotor is counted Z=p
1+ p
2, p
1And p
2When being the needed two kinds of numbers of pole-pairs of brushless dual-feed motor, the main feature of " slot ripples " is following:
(1) counts Z=p for rotor
1+ p
2, number of pole-pairs p
1With number of pole-pairs p
2Be a kind of conjugate relation, number of pole-pairs p
1The magnetomotive force and the number of pole-pairs p that produce
2The magnetomotive force that produces occurs in pairs, and direction of rotation is opposite;
(2) number of pole-pairs p
1With number of pole-pairs p
2Winding coefficient equates.
According to the operation principle of brushless dual-feed motor, require the rotor winding can produce p simultaneously
1And p
2The rotation magnetomotive force of two kinds of different poles logarithms, and the magnetomotive force direction of rotation that these two kinds of numbers of pole-pairs produce is opposite.According to above-mentioned " slot ripples " theory, the magnetomotive force that two kinds of different poles logarithms that " slot ripples " rotor winding constitutes produce just satisfies the designing requirement of brushless double-fed machine rotor.But the rotor winding that constitutes like this produces in the magnetomotive force, except needed number of pole-pairs p
1With number of pole-pairs p
2In addition, also exist kZ ± p (k=2,3,4 ... Positive integer) wait the slot ripples of other number of pole-pairs, these slot ripples, especially number of pole-pairs is lower, with respect to number of pole-pairs p
1With number of pole-pairs p
2Magnetomotive amplitude will be very big, have a strong impact on motor properties, must manage as far as possible to weaken, to reduce its influence.
Based on the Electrical Motor principle, increase the rotor number, can satisfy the requirement that motor slot cooperates, and effectively weaken the slot ripples of other number of pole-pairs.For guaranteeing needed number of pole-pairs p
1With number of pole-pairs p
2The magnetomotive force that produces occurs in pairs, and the rotor number should be by (p
1+ p
2) integral multiple increase, also be that new rotor is counted Z and satisfied relational expression: Z=n (p
1+ p
2), n is a positive integer in the formula.The rotor number of phases is constant, remakes from short circuit after all grooves number adjacent coil is connected in proper order in every phase winding to connect.
Though increase the slot ripples that the rotor number can effectively weaken other number of pole-pairs, such Distribution Effect weakens useful number of pole-pairs p inevitably
1With number of pole-pairs p
2Magnetomotive force.In order to guarantee that brushless dual-feed motor has good performance, must manage to make rotor winding magnetomotive Sine distribution under two kinds of different poles logarithms to arrange number of pole-pairs p
1With number of pole-pairs p
2The magnetomotive force amplitude that produces is big as far as possible, and the magnetomotive force amplitude that other number of pole-pairs harmonic wave in addition produces is as far as possible little.
It should be noted that; Increasing the rotor number and adopting under the situation of equal pitch winding; If utilize the coil in whole rotor, the induced potential that at this moment has some coils generations in the every phase winding of rotor is cancelled out each other, and can produce stronger number of pole-pairs p for guaranteeing the rotor winding
1With number of pole-pairs p
2Magnetomotive force just must be removed a part of coil.Abandoning on the basis of a part of coil, arranging for realizing rotor winding magnetomotive Sine distribution under two kinds of different poles logarithms, theoretical based on positive chorded winding, the rotor winding can adopt irregular pitch and not wait number of turn loop construction.
Positive chorded winding is the winding that a kind of " high accuracy " do not wait the circle loop construction; Be successfully applied in common single-phase and the three-phase induction motor design; The number of turn and arrangement mode through each coil of rational allocation come harmonic carcellation; Make in the groove electric current along circumference by Sine distribution, thereby its synthetic magnetomotive force is comparatively ideal sine wave.Positive chorded winding can be done the adjusting of increase and decrease 1 circle and above quantity to each coil that whenever is in series, and its series coil number of turn has the fine setting effect of broad.Because positive chorded winding has the ability of fine setting, so it can make and specifies number of pole-pairs p
1With number of pole-pairs p
2Under winding coefficient big as far as possible, and other number of pole-pairs harmonic wave winding coefficient in addition is as far as possible little.Can effectively solve the bigger problem of rotor winding harmonic content to the brushless double-fed machine rotor design of Windings of the theoretical introducing of positive chorded winding.
Sinusoidal design of Windings of the rotor of brushless dual-feed motor and common sinusoidal design of Windings are different, and it need guarantee that the every phase winding of rotor is at number of pole-pairs p
1Under magnetomotive force to make near sinusoidal arranged evenly, at number of pole-pairs p
2Under magnetomotive force also to make near sinusoidal arranged evenly.For take into account two kinds under the different poles logarithm winding coefficient and weaken the winding coefficient of other harmonic wave simultaneously; The number of turn of the every phase coil of the positive chorded winding of rotor disposes according to positive rule; The turn ratio of each coil should be arranged two kinds of number of pole-pairs Sine distribution and obtained carrying out in the zone between the turn ratio value and carry out certain adjustment, and such winding distributes just can be at number of pole-pairs p
1With number of pole-pairs p
2Under to be near sinusoidal arranged evenly.The positive chorded winding of rotor can be adjusted the embedded coil number of turn and change number of pole-pairs p
1With number of pole-pairs p
2And the winding coefficient of other harmonic wave, thereby the proportion of the magnetomotive force component that changes each number of pole-pairs in total magnetomotive force.
Main design procedure of wound rotor of the present invention and rule are following:
(1) chooses a kind of suitable coil span as the first segment distance; Theoretical according to positive chorded winding, winding under this pitch is carried out not waiting the design of circle loop construction, under the first segment distance; The coil of the different numbers of turn is with phase axis left-right symmetric, and its number of turn is pressed the cosine rule and distributed.
(2) owing to utilize a kind of wound rotor that does not wait the circle loop construction of pitch design; Can exist a part of active conductor not obtain good use in a part of coil that abandons; Therefore choose again in addition a kind of different pitch as second pitch or other two kinds of different pitches as second, third pitch; The conductor of in guaranteeing every groove, placing is no more than under its peaked prerequisite; The coil that utilization abandons adopts and does not wait the circle structure to carry out design of Windings, further improves whole rotor winding number of pole-pairs p
1With number of pole-pairs p
2The magnetomotive force amplitude that produces.The all coils electric current is the same in every phase winding, adopt magnetomotive force vector that the coil groups of first segment distance produces and the magnetomotive force vector that produces with the coil groups that adopts second, third pitch be superimposed upon on the same axis.
(3) follow number of pole-pairs p
1With number of pole-pairs p
2The magnetomotive force amplitude that produces is big as far as possible; And the as far as possible little principle of magnetomotive force amplitude that other number of pole-pairs harmonic wave in addition produces; Two kinds of every phases or three kinds of different pitch coil groups are done to connect from short circuit, and each does not wait the coil of circle to connect in proper order in the coil groups, utilizes slot-number phase graph harmonic analysis result; To two kinds or three kinds of different pitch coil groups, the number of turn of each coil is is further optimized and revised in the coil groups.
The coil groups of parallel branch adopts two kinds or three kinds of different pitches in the winding coil of the present invention; The number of turn of each coil can both be adjusted flexibly in the coil groups, and the active conductor utilance of the utilance of slot space, rotor winding and winding coefficient improve 5%～15%; Can realize that winding magnetomotive near sinusoidal under two kinds of different poles logarithms is arranged evenly, at utmost suppress all the other harmonic waves, reduce harmonic content.
Description of drawings
Fig. 1 (a) is Z=6, p
1=2 o'clock slot-number phase graph;
Fig. 1 (b) is Z=6, p
1=2 o'clock three-phase groove PHASE DISTRIBUTION figure;
Fig. 2 (a) is Z=6, p
2=4 o'clock slot-number phase graph;
Fig. 2 (b) is Z=6, p
2=4 o'clock three-phase groove PHASE DISTRIBUTION figure;
Fig. 3 is Z=6, p
1=2, p
2=4 o'clock three-phase wound-rotor winding connection figure;
Fig. 4 (a) is Z=84, p
1=2 o'clock slot-number phase graph;
Fig. 4 (b) is Z=84, p
1=2 o'clock three-phase groove PHASE DISTRIBUTION figure;
Fig. 5 (a) is Z=84, p
2=4 o'clock slot-number phase graph;
Fig. 5 (b) is Z=84, p
2=4 o'clock three-phase groove PHASE DISTRIBUTION figure;
Fig. 6 is Z=84, p
1=2, p
2=4, y
1Utilized the three-phase wound-rotor winding connection figure of whole embedded coils at=11 o'clock;
Fig. 7 is Z=84, p
1=2, p
2=4, y
1Adopted the three-phase wound-rotor winding connection figure that does not wait the circle coil at=11 o'clock;
Fig. 8 works as Z=84 for the present invention, p
1=2, p
2=4, y
1=11 and y
2Adopt two kinds of irregular pitch at=14 o'clock, do not wait the three-phase wound-rotor winding connection figure of circle coil;
Fig. 9 (a) is Z=84, p
1=2, p
2=4, y
1=11 and y
2Adopted two kinds of irregular pitch, do not wait the circle coil in=14 o'clock at p
1Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=2 with a phase winding;
Fig. 9 (b) is Z=84, p
1=2, p
2=4, y
1=11 and y
2Adopted two kinds of irregular pitch, do not wait the circle coil in=14 o'clock at p
2Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=4 with a phase winding;
Figure 10 works as Z=84 for the present invention, p
1=2, p
2=4, y
1=11, y
2=14 and y
3Adopt three kinds of irregular pitch at=15 o'clock, do not wait the three-phase wound-rotor winding connection figure of circle coil;
Figure 11 (a) is Z=84, p
1=2, p
2=4, y
1=11, y
2=14 and y
3Adopted two kinds of irregular pitch, do not wait the circle coil in=15 o'clock at p
1Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=2 with a phase winding;
Figure 11 (b) is Z=84, p
1=2, p
2=4, y
1=11, y
2=14 and y
3Adopted two kinds of irregular pitch, do not wait the circle coil in=15 o'clock at p
2Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=4 with a phase winding;
Figure 12 works as Z=84 for the present invention, p
1=2, p
2=4, y
1=12 and y
2Adopt two kinds of irregular pitch at=14 o'clock, do not wait the three-phase wound-rotor winding connection figure of circle coil.
Figure 13 (a) is Z=84, p
1=2, p
2=4, y
1=12 and y
2Adopted two kinds of irregular pitch, do not wait the circle coil in=14 o'clock at p
1Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=2 with a phase winding;
Figure 13 (b) is Z=84, p
1=2, p
2=4, y
1=12 and y
2Adopted two kinds of irregular pitch, do not wait the circle coil in=14 o'clock at p
2Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=4 with a phase winding.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Comparative Examples 1:
Wound rotor brushless double fed motor comprises stator and rotor, has separate power winding and control winding on the stator, and the power winding is respectively number of pole-pairs p with the control winding
1=2, p
2=4 three-phase symmetric winding; Rotor core upper edge circumference is 6 rotor of distribution evenly, have 3 phases, every rotor winding that 1 parallel branch is arranged mutually.
For Z=6, p
1=2, p
2=4 with the rotor winding of m=3, in order to obtain the concrete mode of connection, provide Z=6, p
1=2 o'clock slot-number phase graph; Shown in Fig. 1 (a); Among the figure, the horizontal length of whole slot-number phase graph is 360 ° of electrical degrees, has comprised positive groove number and negative groove number; Number representative of wherein positive groove is to acting in accordance with the magnetomotive force vector that the coil that connects series connection produces, and the magnetomotive force vector that on behalf of the coil of corresponding reversal connection series connection, negative groove number to produce; Slot-number phase graph is divided into the zone that each accounts for 60 °; Mark three each account for the zone of 60 ° 120 ° of zone and mutual deviations; Groove in three zones number is just represented the shared groove of three-phase number respectively, number distributes shown in Fig. 1 (b) with this each phase groove that obtains, and wherein A takies groove numbers 1,4 mutually; B takies groove numbers 2,5 mutually, and C takies groove numbers 3,6 mutually.
Z=6, p
2=4 o'clock slot-number phase graph is shown in Fig. 2 (a), among the figure; The horizontal length of whole slot-number phase graph is 360 ° of electrical degrees, and slot-number phase graph is divided into the zone that each accounts for 60 °, mark three each account for the zone of 60 ° 120 ° of zone and mutual deviations; Groove in three zones number is just represented the shared groove of three-phase number respectively, number distributes shown in Fig. 2 (b) with this each phase groove that obtains, and wherein A takies groove numbers 1,4 mutually; B takies groove numbers 3,6 mutually, and C takies groove numbers 2,5 mutually.
Can know Z=6, p by Fig. 1 (b) and Fig. 2 (b) contrast
1=2 o'clock and Z=6, p
2=4 o'clock A, B, C three-phase groove distribution phase sequence are just in time opposite, Z=6, p
1=2 o'clock wherein arbitrary phase grooves number distribution meeting and Z=6, p
2Number distribution of a phase groove of=4 o'clock is consistent.
When every phase rotor winding center line circle adopts first segment apart from y
1=1, Z=6, p
1=2 o'clock and Z=6, p
2=4 o'clock phase winding breadth coefficient is 1, and winding coefficient is 0.866.These 2 theory narratives that both met about winding " slot ripples " have also met the requirement about brushless dual-feed motor working rotor principle.
Fig. 3 has provided Z=6, p
1=2, p
2The concrete mode of connection of=4 o'clock three-phase wound-rotor windings, among the figure, the coil groups on the left side is the 1st phase rotor winding, takies groove numbers 1,4; Middle coil groups is the 2nd phase rotor winding, takies groove numbers 2,5; The coil groups on the right is the 3rd phase rotor winding, takies groove numbers 3,6, and every phase coil group connects from short circuit.
When Z=6, the rotor number is very few, can cause the rotor winding to induce the bigger harmonic wave of other content, thereby make that the loss of motor is bigger, and performance is low, and vibration and noise also can be excessive, so just can not reach the requirement of practical application in industry.For addressing this problem, consider to adopt more groove number.
Comparative Examples 2:
Wound rotor brushless double fed motor comprises stator and rotor, has separate power winding and control winding on the stator, and the power winding is respectively number of pole-pairs p with the control winding
1=2, p
2=4 three-phase symmetric winding; Rotor core upper edge circumference is 84 rotor of distribution evenly, have 3 phases, every rotor winding that 2 branch roads are arranged mutually.
After increasing the rotor number, the magnetomotive force of other harmonic wave can obviously weaken in the rotor winding, simultaneously needed number of pole-pairs p
1With number of pole-pairs p
2The influence that magnetomotive force also receives Distribution Effect can reduce inevitably.
Z=84, p
1=2 o'clock slot-number phase graph is shown in Fig. 4 (a); Among the figure, the horizontal length of whole slot-number phase graph is 360 ° of electrical degrees, and slot-number phase graph is divided into the zone that each accounts for 60 °; Mark three each account for the zone of 120 ° 120 ° of zone and mutual deviations; Groove in three zones number is just represented the shared groove of three-phase number respectively, number distributes shown in Fig. 4 (b) with this each phase groove that obtains, and wherein A takies groove numbers 1～14,43～56 mutually; B takies groove numbers 15～28,57～70 mutually, and C takies groove numbers 29～42,71～84 mutually.
Z=84, p
2=4 o'clock slot-number phase graph is shown in Fig. 5 (a); Among the figure, the horizontal length of whole slot-number phase graph is 360 ° of electrical degrees, and slot-number phase graph is divided into the zone that each accounts for 60 °; Mark three each account for the zone of 240 ° 120 ° of zone and mutual deviations; Groove in three zones number is just represented the shared groove of three-phase number respectively, number distributes shown in Fig. 5 (b) with this each phase groove that obtains, and wherein A takies groove numbers 1～14,43～56 mutually; B takies groove numbers 29～42,71～84 mutually, and C takies groove numbers 15～28,57～70 mutually.
Can know that by Fig. 4 (b) and Fig. 5 (b) at this moment the rotor slot for winding number is distributed in p
1=2 times is 120 ° of electrical degrees, at p
2=4 times is 240 ° of electrical degrees, and its winding coefficient is compared with Comparative Examples 1 all to have had significantly and reduced.
Fig. 6 has provided Z=84, p
1=2, p
2Utilized the concrete mode of connection of the three-phase wound-rotor winding of whole embedded coils at=4 o'clock, wherein first-pitch of coil y
1=11, among the figure, the 1st, 2 parallel branch of the 1st, 2 behaviors the 1st phase rotor winding, wherein the 1st parallel branch takies number the 1～14,2nd parallel branch of groove and takies groove numbers 43～56; 3rd, the 1st, 2 parallel branch of 4 behaviors the 2nd phase rotor winding, wherein the 1st parallel branch takies number the 29～42,2nd parallel branch of groove and takies groove numbers 71～84; 5th, the 1st, 2 parallel branch of 6 behaviors the 3rd phase rotor winding, wherein the 1st parallel branch takies number the 15～28,2nd parallel branch of groove and takies groove numbers 57～70; Every mutually every branch road coil groups connects from short circuit.Under this mode of connection, p
1=2 winding coefficients are 0.6068, p
2=4 winding coefficients are 0.4139.
Fig. 7 has provided Z=84, p
1=2, p
2Adopted a kind of mode of connection that does not wait circle coil version rotor winding, wherein first-pitch of coil y at=4 o'clock
1=11, among the figure, the 1st, 2 parallel branch of the 1st, 2 behaviors the 1st phase rotor winding, wherein the 1st parallel branch takies number the 2～13,2nd parallel branch of groove and takies groove numbers 44～55; 3rd, the 1st, 2 parallel branch of 4 behaviors the 2nd phase rotor winding, wherein the 1st parallel branch takies number the 30～41,2nd parallel branch of groove and takies groove numbers 72～83; 5th, the 1st, 2 parallel branch of 6 behaviors the 3rd phase rotor winding, wherein the 1st parallel branch takies number the 16～27,2nd parallel branch of groove and takies groove numbers 58～69; Every mutually every branch road coil groups connects from short circuit, groove subscript numeral coil turn.
What this rotor winding that does not wait the circle loop construction met every phase winding does not wait the circle coil with phase axis left-right symmetric, and its number of turn is pressed the characteristic that the cosine rule distributes.Under the mode of connection of Fig. 7, each phase coil total number of turns is 160, p
1=2 effective turns and winding coefficient are respectively 106.7 and 0.6666, p
2=4 effective turns and winding coefficient are respectively 107.6 and 0.6725, and winding coefficient is compared with the mode of connection of Fig. 6 and is enhanced, and the content of other harmonic wave of winding magnetomotive force is well controlled.
The mode of connection of Fig. 7 can exist a part of active conductor not obtain good use owing to receive the consistent restriction of coil span in a part of coil that abandons.Under the lower situation of the magnetomotive force content that guarantees other harmonic wave, in order further to improve the rotor winding at p
1=2 and p
2Winding coefficient under=4 and conductor utilance can adopt irregular pitch and not wait the rotor winding of circle loop construction.
Embodiment 1:
Comprise stator and rotor, have separate power winding and control winding on the stator, the power winding is respectively number of pole-pairs p with the control winding
1=2, p
2=4 three-phase symmetric winding; Circumference 84 rotor that evenly distribute in rotor core upper edge have 3 phase rotor windings, every phase rotor winding has 2 parallel branches in the rotor core, every parallel branch is made up of two coil groups,
In the parallel branch, first coil groups has the coil of 2 kinds of different numbers of turn, all adopts first segment apart from y
1=11, coil adds up to 9, and each coil turn is respectively 14 and 22; Second coil groups has the coil of 2 kinds of different numbers of turn, all adopts the second pitch y
2=14, coil adds up to 4, and each coil turn is respectively 2 and 7; Each coil series connection in first coil groups, each coil series connection in second coil groups, first coil groups and second coil groups connect from short circuit;
Fig. 8 has provided the mode of connection of embodiment 1; Among the figure; 1st, the 1st, 2 parallel branch of 2 behaviors the 1st phase rotor winding, wherein the 1st parallel branch first coil groups takies groove number 4～12, second coil groups and takies groove numbers 2,3,10,11; Article 2, parallel branch first coil groups takies groove number 46～54, second coil groups and takies groove numbers 44,45,52,53; 3rd, the 1st, 2 parallel branch of 4 behaviors the 2nd phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 32～40; Second coil groups takies groove numbers 30,31,38,39; Article 2, parallel branch first coil groups takies groove number 74～82, second coil groups and takies groove numbers 72,73,80,81; 5th, the 1st, 2 parallel branch of 6 behaviors the 3rd phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 18～26; Second coil groups takies groove numbers 16,17,24,25; Article 2, parallel branch first coil groups takies groove number 60～68, second coil groups and takies groove numbers 58,59,66,67; Groove subscript numeral coil turn, groove label subscript numeral coil span.The coil groups of this mode of connection first segment distance, the coil that meets the different numbers of turn are with phase axis left-right symmetric, and its number of turn is pressed the characteristic that the cosine rule distributes.
Fig. 9 (a) has provided the mode of connection shown in Figure 8 at p
1Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=2 and the 1st phase rotor winding, among the figure, 4 top line of numbers have provided Z=84, p
1=2 o'clock slot-number phase graph, y
1Two line of numbers on=11 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding first coil groups, the magnetomotive force vector that first coil groups produces be superimposed upon mutually the axis on; y
2The magnetomotive force vector that the groove PHASE DISTRIBUTION of four lines digitized representation the 1st phase rotor winding second coil groups on=14 the right, second coil groups produce with also be superimposed upon mutually the axis on.
Fig. 9 (b) has provided the mode of connection shown in Figure 8 at p
2Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=4 and the 1st phase rotor winding, among the figure, 4 top line of numbers have provided Z=84, p
2=4 o'clock slot-number phase graph, y
1Two line of numbers on=11 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding first coil groups, the magnetomotive force vector that first coil groups produces be superimposed upon mutually the axis on; y
2Two line of numbers on=14 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding second coil groups, the magnetomotive force vector that second coil groups produces with also be superimposed upon mutually the axis on.
By among Fig. 9 (a) and Fig. 9 (b) the 1st mutually rotor slot for winding PHASE DISTRIBUTION can find out; Magnetomotive force vector that first coil groups produces and the magnetomotive force vector that produces with second coil groups be superimposed upon on the same axis; Can know by the winding symmetry, the 2nd phase rotor winding with the 3rd mutually the rotor winding also meet this characteristic.
Under the mode of connection of embodiment 1, each phase coil total number of turns is 168, p
1=2 effective turns and winding coefficient are respectively 116.3 and 0.6922, p
2=4 effective turns and winding coefficient are respectively 121.4 and 0.7225, and coil total number of turns, effective turn and winding coefficient are compared average raising about 7.6%, wherein p with the mode of connection of Fig. 7
2=4 effective turn increase rate up 12.8%, and the content of other harmonic wave of winding magnetomotive force also can be well controlled.
Embodiment 2:
Comprise stator and rotor, have separate power winding and control winding on the stator, the power winding is respectively number of pole-pairs p with the control winding
1=2, p
2=4 three-phase symmetric winding; Circumference 84 rotor that evenly distribute in rotor core upper edge have 3 phase rotor windings, every phase rotor winding has 2 parallel branches in the rotor core, every parallel branch is made up of three coil groups,
In the said parallel branch, first coil groups has the coil of 4 kinds of different numbers of turn, all adopts first segment apart from y
1=11, coil adds up to 10, and each coil turn is respectively 2,15,18 and 21; Second coil groups has the coil of 2 kinds of different numbers of turn, all adopts the second pitch y
2=14, coil adds up to 4, and each coil turn is respectively 2 and 3; The tertiary coil group has the coil of a kind of number of turn, adopts the 3rd pitch y
3=15, coil adds up to 2, and each coil turn is 7; Each coil series connection in first coil groups, each coil series connection in second coil groups, each coil series connection in the tertiary coil group, first coil groups connects from short circuit with second, third coil groups;
Figure 10 has provided the mode of connection of embodiment 2, among the figure, and the 1st, 2 parallel branch of the 1st, 2 behaviors the 1st phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 3～12; Second coil groups takies groove numbers 1,3,9,11, and the tertiary coil group takies numbers 2,9, the 2 parallel branch first coil groups of groove and takies groove numbers 45～54; Second coil groups takies groove numbers 43,45,51,53, and the tertiary coil group takies groove numbers 44,51; 3rd, the 1st, 2 parallel branch of 4 behaviors the 2nd phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 31～40; Second coil groups takies groove numbers 29,31,37,39, and the tertiary coil group takies numbers 30,37, the 2 parallel branch first coil groups of groove and takies groove numbers 73～82; Second coil groups takies groove numbers 71,73,79,81, and the tertiary coil group takies groove numbers 72,79; 5th, the 1st, 2 parallel branch of 6 behaviors the 3rd phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 17～26; Second coil groups takies groove numbers 15,17,23,25, and the tertiary coil group takies numbers 16,23, the 2 parallel branch first coil groups of groove and takies groove numbers 59～68; Second coil groups takies groove numbers 57,59,65,67, and the tertiary coil group takies groove numbers 58,65; Groove subscript numeral coil turn, groove label subscript numeral coil span.The coil groups of this mode of connection first segment distance, the coil that meets the different numbers of turn are with phase axis left-right symmetric, and its number of turn is pressed the characteristic that the cosine rule distributes.
Figure 11 (a) has provided the mode of connection shown in Figure 10 at p
1Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=2 and the 1st phase rotor winding, among the figure, 4 top line of numbers have provided Z=84, p
1=2 o'clock slot-number phase graph, y
1Two line of numbers on=11 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding first coil groups, the magnetomotive force vector that first coil groups produces be superimposed upon mutually the axis on; y
2Two line of numbers on=14 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding second coil groups, y
3Two line of numbers on=15 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding tertiary coil group, the magnetomotive force vector that second, third coil groups produces with also be superimposed upon mutually the axis on.
Figure 11 (b) has provided the mode of connection shown in Figure 10 at p
2Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=4 and the 1st phase rotor winding, among the figure, 4 top line of numbers have provided Z=84, p
2=4 o'clock slot-number phase graph, y
1Two line of numbers on=11 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding first coil groups, the magnetomotive force vector that first coil groups produces be superimposed upon mutually the axis on; y
2Two line of numbers on=14 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding second coil groups, y
3Two line of numbers on=15 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding tertiary coil group, the magnetomotive force vector that second, third coil groups produces with also be superimposed upon mutually the axis on.
By among Figure 11 (a) and Figure 11 (b) the 1st mutually rotor slot for winding PHASE DISTRIBUTION can find out; Magnetomotive force vector that first coil groups produces and the magnetomotive force vector that produces with second coil groups be superimposed upon on the same axis; Can know by the winding symmetry, the 2nd phase rotor winding with the 3rd mutually the rotor winding also meet this characteristic.
Under the mode of connection of embodiment 2, each phase coil total number of turns is 166, p
1=2 effective turns and winding coefficient are respectively 116.4 and 0.7011, p
2=4 effective turns and winding coefficient are respectively 120.5 and 0.7259, p
1=2 and p
2=4 winding coefficient can both reach more than 0.7, and the content of other harmonic wave of winding magnetomotive force is also very low.
Embodiment 3:
Comprise stator and rotor, have separate power winding and control winding on the stator, the power winding is respectively number of pole-pairs p with the control winding
1=2, p
2=4 three-phase symmetric winding; Circumference 84 rotor that evenly distribute in rotor core upper edge have 3 phase rotor windings, every phase rotor winding has 2 parallel branches in the rotor core, every parallel branch is made up of two coil groups,
In the parallel branch, first coil groups has the coil of 4 kinds of different numbers of turn, all adopts first segment apart from y
1=12, coil adds up to 10, and each coil turn is respectively 5,13,15 and 21; Second coil groups has the coil of 2 kinds of different numbers of turn, all adopts the second pitch y
2=14, coil adds up to 8, and each coil turn is respectively 3 and 4; Each coil series connection in first coil groups, each coil series connection in second coil groups, first coil groups and second coil groups connect from short circuit;
Figure 12 has provided the mode of connection of embodiment 3; Among the figure; 1st, the 1st, 2 parallel branch of 2 behaviors the 1st phase rotor winding, wherein the 1st parallel branch first coil groups takies groove number 3～12, second coil groups and takies groove numbers 1～4,9～12; Article 2, parallel branch first coil groups takies groove number 45～54, second coil groups and takies groove numbers 43～46,51～54; 3rd, the 1st, 2 parallel branch of 4 behaviors the 2nd phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 31～40; Second coil groups takies groove numbers 29～32,37～40; Article 2, parallel branch first coil groups takies groove number 73～82, second coil groups and takies groove numbers 71～74,79～82; 5th, the 1st, 2 parallel branch of 6 behaviors the 3rd phase rotor winding; Wherein the 1st parallel branch first coil groups takies groove numbers 17～26; Second coil groups takies groove numbers 15～18,23～26; Article 2, parallel branch first coil groups takies groove number 59～68, second coil groups and takies groove numbers 57～60,65～68; Groove subscript numeral coil turn, groove label subscript numeral coil span.The coil groups of this mode of connection first segment distance, the coil that meets the different numbers of turn are with phase axis left-right symmetric, and its number of turn is pressed the characteristic that the cosine rule distributes.
Figure 13 (a) has provided the mode of connection shown in Figure 12 at p
1Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=2 and the 1st phase rotor winding, among the figure, 4 top line of numbers have provided Z=84, p
1=2 o'clock slot-number phase graph, y
1The magnetomotive force vector that the groove PHASE DISTRIBUTION of four lines digitized representation the 1st phase rotor winding first coil groups on=12 the right, first coil groups produce be superimposed upon mutually the axis on; y
2The magnetomotive force vector that the groove PHASE DISTRIBUTION of four lines digitized representation the 1st phase rotor winding second coil groups on=14 the right, second coil groups produce with also be superimposed upon mutually the axis on.
Figure 13 (b) has provided the mode of connection shown in Figure 12 at p
2Groove PHASE DISTRIBUTION figure under the different pitches of slot-number phase graph under=4 and the 1st phase rotor winding, among the figure, 4 top line of numbers have provided Z=84, p
2=4 o'clock slot-number phase graph, y
1Two line of numbers on=12 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding first coil groups, the magnetomotive force vector that first coil groups produces be superimposed upon mutually the axis on; y
2Two line of numbers on=14 the right are represented the groove PHASE DISTRIBUTION of the 1st phase rotor winding second coil groups, the magnetomotive force vector that second coil groups produces with also be superimposed upon mutually the axis on.
By among Figure 13 (a) and Figure 13 (b) the 1st mutually rotor slot for winding PHASE DISTRIBUTION can find out; Magnetomotive force vector that first coil groups produces and the magnetomotive force vector that produces with second coil groups be superimposed upon on the same axis; Can know by the winding symmetry, the 2nd phase rotor winding with the 3rd mutually the rotor winding also meet this characteristic.
Under the mode of connection of embodiment 3, each phase coil total number of turns is 166, p
1=2 effective turns and winding coefficient are respectively 121.2 and 0.7302, p
2=4 effective turns and winding coefficient are respectively 112.4 and 0.6773, and the content of other harmonic wave of winding magnetomotive force is also very low.
Claims (3)
1. a Wound rotor brushless double fed motor comprises stator and rotor, has separate power winding and control winding on the stator, and the power winding is respectively number of pole-pairs p with the control winding
1, p
2Three-phase symmetric winding; Said rotor core upper edge circumference Z the rotor that evenly distribute, Z=n (p
1+ p
2), having m phase rotor winding in the rotor core, every phase rotor winding has a bar parallel branch, every parallel branch is made up of n=1～30, a=1～4, p two or three coil groups
1, p
2Be 1～30 and p
1≠ p
2, m=(p
1+ p
2)/m
k, as (p
1+ p
2) when being odd number, m
k=1; As (p
1+ p
2) when being even number, m
k=2; It is characterized in that:
When said parallel branch was made up of two coil groups, first coil groups had the coil of 2～6 kinds of different numbers of turn, all adopts first segment apart from y
1, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Second coil groups has the coil of 1～4 kind of different number of turn, all adopts the second pitch y
2, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Each coil series connection in first coil groups, each coil series connection in second coil groups, first coil groups and second coil groups connect from short circuit;
When said parallel branch was made up of three coil groups, first coil groups had the coil of 2～6 kinds of different numbers of turn, all adopts first segment apart from y
1, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Second coil groups has the coil of 1～4 kind of different number of turn, all adopts the second pitch y
2, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; The tertiary coil group has the coil of 1～4 kind of different number of turn, all adopts the 3rd pitch y
3, coil adds up to 1～(nm
k/ a), each coil turn is 1～80; Each coil series connection in first coil groups, each coil series connection in second coil groups, each coil series connection in the tertiary coil group, first coil groups connects from short circuit with second, third coil groups;
Work as p
1＜p
2The time, y
1, y
2, y
3Span be Z/ (2p
2)～Z/ (2p
1) between integer, and y
1＜y
2, y
1＜y
3, y
2≠ y
3Work as p
1＞p
2The time, y
1, y
2, y
3Span be Z/ (2p
1)～Z/ (2p
2) between integer, and y
1＜y
2, y
1＜y
3, y
2≠ y
3
2. Wound rotor brushless double fed motor as claimed in claim 1 is characterized in that:
In said first coil groups, the coil of 2～6 kinds of different numbers of turn is with phase axis left-right symmetric, and its number of turn is pressed the cosine rule and distributed.
3. Wound rotor brushless double fed motor as claimed in claim 2 is characterized in that:
When said parallel branch is made up of two coil groups, the magnetomotive force vector that the magnetomotive force vector that said first coil groups produces and second coil groups produce be superimposed upon on the same axis;
When said parallel branch is made up of three coil groups, the magnetomotive force vector that the magnetomotive force vector that said first coil groups produces and second, third coil groups produce be superimposed upon on the same axis.
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| CN201110345871.3A CN102412684B (en) | 2011-11-04 | 2011-11-04 | Brushless double-feedback motor of winding rotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110345871.3A CN102412684B (en) | 2011-11-04 | 2011-11-04 | Brushless double-feedback motor of winding rotor |
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| CN102412684B CN102412684B (en) | 2015-05-20 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868672A (en) * | 2015-04-23 | 2015-08-26 | 合肥工业大学 | Coreless double-stator motor |
| CN104993629A (en) * | 2015-06-29 | 2015-10-21 | 合肥工业大学 | Winding-type linear brushless doubly-fed generator |
| CN106787478A (en) * | 2016-12-29 | 2017-05-31 | 北京航天控制仪器研究所 | Based on second section away from unicast winding permanent magnet direct current motor brush localization method |
| CN106953439A (en) * | 2017-05-04 | 2017-07-14 | 重庆大学 | Brushless dual-feed motor series parallel type cage type rotor structure and winding method |
| CN109301961A (en) * | 2018-11-13 | 2019-02-01 | 哈尔滨理工大学 | A kind of high-tension winding double frequency electrical machinery |
| CN110571997A (en) * | 2019-09-18 | 2019-12-13 | 江苏富丽华通用设备股份有限公司 | Three-phase asynchronous motor stator winding turn number distribution method for fan |
| CN110635721A (en) * | 2019-09-18 | 2019-12-31 | 合肥工业大学 | Soft start winding type brushless double-fed motor |
| CN110959246A (en) * | 2017-07-27 | 2020-04-03 | 三菱电机株式会社 | Rotating electrical machine |
| CN111355317A (en) * | 2020-04-09 | 2020-06-30 | 合肥巨一动力系统有限公司 | Flat wire stator and flat wire motor |
| CN113890297A (en) * | 2021-10-08 | 2022-01-04 | 哈尔滨工业大学 | Low-space harmonic single-double layer winding radial magnetic flux five-phase permanent magnet synchronous motor |
| CN115800670A (en) * | 2022-12-09 | 2023-03-14 | 华中科技大学 | Electric excitation brushless double-fed direct-current generator applied to direct-current micro-grid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1262545A (en) * | 1999-01-22 | 2000-08-09 | 湖南省电力试验研究所 | Wound induction motor with multi-loop self-closed symmetrical structure of rotor |
| JP2002539747A (en) * | 1999-03-09 | 2002-11-19 | シェンツェン ベイライ エレクトリック ラボラトリー | Multi-pole electric machine |
| CN101510702A (en) * | 2009-03-27 | 2009-08-19 | 华中科技大学 | Wound rotor brushless double fed motor |
| CN101986515A (en) * | 2010-12-09 | 2011-03-16 | 江西泰豪特种电机有限公司 | Megawatt double-fed wind driven generator rotor concentric type un-equal turn hexaphase alternating current (AC) winding |
| CN202276216U (en) * | 2011-11-04 | 2012-06-13 | 华中科技大学 | Wound rotor brushless double-fed motor |
-
2011
- 2011-11-04 CN CN201110345871.3A patent/CN102412684B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1262545A (en) * | 1999-01-22 | 2000-08-09 | 湖南省电力试验研究所 | Wound induction motor with multi-loop self-closed symmetrical structure of rotor |
| JP2002539747A (en) * | 1999-03-09 | 2002-11-19 | シェンツェン ベイライ エレクトリック ラボラトリー | Multi-pole electric machine |
| CN101510702A (en) * | 2009-03-27 | 2009-08-19 | 华中科技大学 | Wound rotor brushless double fed motor |
| CN101986515A (en) * | 2010-12-09 | 2011-03-16 | 江西泰豪特种电机有限公司 | Megawatt double-fed wind driven generator rotor concentric type un-equal turn hexaphase alternating current (AC) winding |
| CN202276216U (en) * | 2011-11-04 | 2012-06-13 | 华中科技大学 | Wound rotor brushless double-fed motor |
Non-Patent Citations (1)
| Title |
|---|
| 熊飞等: "绕线转子无刷双馈电机的工作原理及绕组设计", 《湖北工业大学学报》, vol. 25, no. 1, 28 February 2010 (2010-02-28), pages 102 - 106 * |
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| CN104868672A (en) * | 2015-04-23 | 2015-08-26 | 合肥工业大学 | Coreless double-stator motor |
| CN104993629A (en) * | 2015-06-29 | 2015-10-21 | 合肥工业大学 | Winding-type linear brushless doubly-fed generator |
| CN106787478B (en) * | 2016-12-29 | 2019-08-09 | 北京航天控制仪器研究所 | Unicast winding permanent magnet direct current motor brush localization method based on the second pitch |
| CN106787478A (en) * | 2016-12-29 | 2017-05-31 | 北京航天控制仪器研究所 | Based on second section away from unicast winding permanent magnet direct current motor brush localization method |
| CN106953439A (en) * | 2017-05-04 | 2017-07-14 | 重庆大学 | Brushless dual-feed motor series parallel type cage type rotor structure and winding method |
| CN106953439B (en) * | 2017-05-04 | 2019-03-12 | 重庆大学 | Brushless dual-feed motor series parallel type cage type rotor structure and winding method |
| CN110959246A (en) * | 2017-07-27 | 2020-04-03 | 三菱电机株式会社 | Rotating electrical machine |
| CN110959246B (en) * | 2017-07-27 | 2022-04-12 | 三菱电机株式会社 | Rotating electrical machine |
| CN109301961A (en) * | 2018-11-13 | 2019-02-01 | 哈尔滨理工大学 | A kind of high-tension winding double frequency electrical machinery |
| CN110571997A (en) * | 2019-09-18 | 2019-12-13 | 江苏富丽华通用设备股份有限公司 | Three-phase asynchronous motor stator winding turn number distribution method for fan |
| CN110635721A (en) * | 2019-09-18 | 2019-12-31 | 合肥工业大学 | Soft start winding type brushless double-fed motor |
| CN111355317A (en) * | 2020-04-09 | 2020-06-30 | 合肥巨一动力系统有限公司 | Flat wire stator and flat wire motor |
| CN113890297A (en) * | 2021-10-08 | 2022-01-04 | 哈尔滨工业大学 | Low-space harmonic single-double layer winding radial magnetic flux five-phase permanent magnet synchronous motor |
| CN115800670A (en) * | 2022-12-09 | 2023-03-14 | 华中科技大学 | Electric excitation brushless double-fed direct-current generator applied to direct-current micro-grid |
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