CN2185007Y - High target single winding pole-changing speed changing motor - Google Patents
High target single winding pole-changing speed changing motor Download PDFInfo
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- CN2185007Y CN2185007Y CN94226391U CN94226391U CN2185007Y CN 2185007 Y CN2185007 Y CN 2185007Y CN 94226391 U CN94226391 U CN 94226391U CN 94226391 U CN94226391 U CN 94226391U CN 2185007 Y CN2185007 Y CN 2185007Y
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Abstract
The utility model relates to a variable-pole-speed motor which solves the problem of low technical and economical indexes existing in the present two-speed motor. A small number of poles are variable front poles and allocate stator windings according to a phase zone of 60 DEG, the majority of poles are variable rear poles, and windings of the variable rear poles are allocated according to a phase zone of 120 DEG. Slot coils of the variable rear poles part are discarded, front and rear phase signs of the variable poles are merged, and nine branch circuits are obtained. Each phase is composed of three branch circuits connected in parallel to form connecting wires 3Y/3Y of the front and the rear windings of the variable poles, and then, after connected in series respectively, the discarded slot coils are connected to the end of the corresponding parallelly-connected three-phase three-circuit windings of the variable rear poles to form the connection 3Y/3Y+Y of the windings of the motor.
Description
With novel a kind of variable number of poles two-speed motor, the particularly a kind of high target single-winding pole-changing varying speed motor of relating to.
The technology of AC asynchronous motor and the height of economic index, crux depend on that winding divides the size of breadth coefficient Kd, and Kd is big, and index is just high, and Kd is little, and index is just low.Before 1958, the unique method of design single-winding pole-changing variable speed electric motors, particularly is exactly a reverse method, the motor windings breadth coefficient Kd that designs with this method is 0.955-0.96 when high speed, low speed is 0.63-0.65, and Kd was too low when its defective was low speed, and the Kd of two kinds of speed differs too great disparity, so that this method designed motor volume is big, poor performance, harmonic content are also very high, and be very not welcome.For gap of dwindling Kd between the high low speed and the Kd that improves low speed, in 1958, the Englishman has proposed the pole-amplitude modulation method and has designed the variable-pole-speed motor winding, this method is to use sine principle on the basis of reverse method, utmost point winding carries out after the pole-amplitude modulation before will becoming, make a regular winding become an informal winding, thereby the Kd when making high speed has reduced, Kd during low speed has improved, Kd is 0.74-0.893 during high speed, Kd is 0.77-0.872 during low speed, thereby makes the index of motor that tangible improvement arranged, and this method is till the sixties till now, used widely in the world, but because the reduction of Kd during its high speed, cause the economic and technical norms of variable-pole-speed motor still to lag far behind the level of corresponding single speed motor, in addition, it also has a big shortcoming to be: must adopt three groups of switches to control the motor pole-changing windings, this abstains from high-voltage motor, and its harmonic content is also higher, so not ideal enough.In order to solve existing some problem of pole-amplitude modulation method, the domestic people of having has carried out a large amount of research on the basis of the mixed phase method that British early sixties proposed at early eighties, reverse has been proposed, basically, reaching corresponding single-speed motor level aspect the technical-economic index with this method designed motor, but since it will be in a part of groove the embedded four layers of winding of same groove, thereby the impossible circle that waits of coil, and winding pitch can not be chosen wantonly, very complicated on technology, also can use reluctantly in low voltage motor, but be difficult to carry out in high-voltage motor, it makes and fills out the also greatly deterioration of groove factor simultaneously, its control is also complicated, needs with four groups of switches.So during the last ten years, be not widely used always.
The purpose of this utility model be to provide a kind of technical-economic index that makes the single-winding pole-changing varying speed motor near or reach the level of corresponding single-speed motor, and Electric Machine Control is simple, adopt two layer winding, the utmost point phase component of the high target single-winding pole-changing variable speed electric motors, particularly winding identical with ordinary three-phase synchronous is joined method on manufacturing process.
The utility model high target single-winding pole-changing varying speed motor is finished with following mode:
High target single-winding pole-changing varying speed motor, it comprises motor stator and rotor, the motor stator winding adopts two layer winding, stator winding is got minority and is very become the preceding utmost point, majority very becomes the back utmost point, minority utmost point winding is distributed into A by 60 ° of facies tracts, B, C threephase stator winding, become back utmost point stator winding by becoming the first-harmonic electrical degree that the back utmost point calculates each groove place, the sense of current in each groove is constant by extreme direction before becoming, divide the facies tract line of demarcation that becomes the back utmost point by 120 ° of facies tracts, mark the symbol of the genus mutually a that becomes the back utmost point, b, c, and then the genus mutually before and after the pole-changing merged obtain Aa, Ab, Ac, Ca, Cc, Cb, Ba, Bc, Bb nine is combined into and belongs to symbol mutually, the part slot coil that becomes the back utmost point is lost, then same following the coil that comprises in the groove of symbol that belong to mutually connected respectively; Utmost point winding is connected into Y-connection by belonging to symbol Aa, Ac and Ab parallel connection, Ca, Cc and Cb parallel connection, Ba, Bc and Bb parallel connection mutually with these three groups windings in parallel before becoming, and utmost point winding connection mode connected into 3Y before formation became; Become back utmost point winding by belonging to symbol Aa, Ca and Ba parallel connection mutually, Ac, Cc and Bc parallel connection, Ab, Cb and Bb parallel connection are connected into star with these three groups windings in parallel, constitute the 3Y that becomes back utmost point winding and connect; The above-mentioned slot coil of losing is added deduct after 180 ° by the electrical degree that becomes the back utmost point, transfer to the corresponding change back utmost point mutually in, and after this part is lost the slot coil winding and connect respectively, be connected to the not end that becomes back utmost point three-phase three tunnel windings in parallel, constitute that to become back utmost point winding connection mode be that 3Y+Y connects.Become coil turn that Y in the utmost point 3Y+Y connection of back connects part and connect half of the coil sections number of turn into 3Y, the facies tract that becomes the back utmost point is less than 120 °.The part slot coil that becomes the back utmost point lose be according to: the electric potential balancing degree that whenever is in parallel in winding three branch roads with control is as the criterion, select the relevant slot coil that to lose, lose slot coil what by ultimate ratio value RP(RP=2P1/2P2) more little, it is suitably more to lose slot coil, RP is big more, and it is suitably a little less to lose slot coil.
Can approach or reach every index of corresponding single speed motor with the single-winding pole-changing varying speed motor of the utility model manufacturing, its winding distribution ratio Kd is 0.955-0.96 when high speed, is 0.86-0.93 during low speed; The air gap flux density ratio is generally 1 ± 0.07, also greatly simplifies aspect the control of motor pole-changing windings; It is as long as two groups of switches can reach pole-changing windings control; Maximum harmonic content in the electromotive force is generally below 5%; Motor coil is made with wire insertion technology also basic identical with common threephase asynchronous, adopts double-deck constant pitch square winding; The volume of motor also reduces about 1/3 than existing two-speed motor volume, the most outstanding advantage is to have shortened about 3/4 the low speed starting time of this motor, and its efficient has improved 2.5%--5%, and compares with the seat No. motor, and its capacity can improve 78.6%.It is used on the blower fan of unsteady flow amount, can economizes on electricity about 30%.
Fig. 1 is the 3Y/3Y wiring schematic diagram in the utility model motor windings design process;
Fig. 2 is that the utility model motor windings finally is the 3Y/3Y+Y wiring schematic diagram;
Fig. 3 is 72 grooves, 8 utmost points/10 double-speed motor slot for winding winding diagrams.
Fig. 4 is 36 grooves, 4 utmost points/6 double-speed motor slot for winding winding diagrams.
Fig. 5 is 72 grooves, 6 utmost points/8 double-speed motor slot for winding winding diagrams.
Fig. 6 is 90 grooves, 10 utmost points/12 double-speed motor slot for winding winding diagrams.
Fig. 7 is 108 grooves, 12 utmost points/14 double-speed motor slot for winding winding diagrams.
Fig. 8 is 108 grooves, 8 utmost points/10 double-speed motor slot for winding winding diagrams.
Fig. 9 is 126 grooves, 10 utmost points/12 double-speed motor slot for winding winding diagrams.
Figure 10 is 120 grooves, 8 utmost points/10 double-speed motor slot for winding winding diagrams.
Figure 11 is 96 grooves, 8 utmost points/10 double-speed motor slot for winding winding diagrams.
Figure 12 is 126 grooves, 14 utmost points/16 double-speed motor slot for winding winding diagrams.
Figure 13 is 144 grooves, 12 utmost points/14 double-speed motor slot for winding winding diagrams.
Figure 14 is 144 grooves, 16 utmost points/18 double-speed motor slot for winding winding diagrams.
Figure 15 is 162 grooves, 18 utmost points/20 double-speed motor slot for winding winding diagrams.
Figure 16 is 180 grooves, 20 utmost points/22 double-speed motor slot for winding winding diagrams.
Below in conjunction with accompanying drawing the utility model is described in further detail:
The utility model very becomes the preceding utmost point to adopt minority, and brings distribution mutually by 60 °, and majority very becomes the back utmost point.For the ease of understanding, divide it to be described as three big steps.
One, the distribution method of the distribution of utmost point winding and conventional single-speed motor winding is just the same before the change.For the needs of pole-changing, be necessary simply to repeat at this, at first be as follows with belonging to arrangement mutually:
A, C and B represent the symbol of three-phase, and each group A.C and B represent a utmost point, have how many utmost points promptly to arrange how much to organize A, C and B.
Then each groove is filled in the groove number that q(q is every extremely every phase number ascending one by one the genus mutually accordingly at each successively under the symbol) individual groove, amount to 2p1q perpendicular row, during as q=3, then:
"-" on the groove number, winding is reverse connection in the expression groove.
Two, become the distribution of back utmost point winding
The first-harmonic electrical degree that becomes each groove place of the utmost point, back is calculated, and the sense of current in each groove is constant by the utmost point before becoming.Folded first-harmonic electrical degree α between adjacent two grooves
2For:
α
2＝ (P
2360°)/(Q
1) （1）
In the formula: P
2-the number of pole-pairs of the utmost point after becoming
Q
1-number of stator slots
The electrical degree θ at each groove place
nFor:
(1) when winding during for connection forward
θ
n＝（n－1）α
2－N360° （2a）
In the formula: the n-arbitrary integer, from 1 to Q
1
The N-arbitrary integer, from 1 to (2P
2-1); Purpose is to make θ
n360 °
θ
nThe electrical degree (number of degrees) an of-Di n groove.
(2) when winding is reverse connection:
θ
n＝（n－1）α
2±180°－N360° （2b）
Write under the corresponding groove number with the electrical degree that be about to become back each groove of the utmost point.The facies tract that becomes the back utmost point is got 120 ° temporarily, owing to increasing of number of poles, so the electrical degree of each groove also correspondingly increases.Groove before change in each perpendicular row of the utmost point all belongs to same facies tract; And behind pole-changing, then the groove in some perpendicular row still belongs to same facies tract, and the groove in the perpendicular row of another part has but belonged to two different facies tracts, has formed a facies tract line of demarcation simultaneously, they＜360 ° with＞0 °,＜120 ° and＞120 ° and＜240 ° and＞240 ° between.Between different adjacent two grooves of facies tract, draw a horizontal line, be the facies tract line of demarcation that becomes the back utmost point.
An exception in this example, promptly 1 and 25 and 48 3 groove is according to the requirement of symmetry, their line of demarcation but is in 0 ° and＞0 °, 120 ° and＞120 ° and 240 ° and＞240 ° between, this exception has but been brought very big convenience, can directly try to achieve, during all q=3, generally all there is this exception to exist, under each perpendicular row, writes the symbol of genus mutually a, the b and the c that become the back utmost point again.Therefore, under the perpendicular row of a part, only fill in the symbol of a phase, and under the perpendicular row of another part, fill in out the symbol of two-phase.And then the symbol of genus mutually before and after the pole-changing in the same perpendicular row merged, get final product to such an extent that nine of Aa, Ac, Ab, Ca, Cc, Cb, Ba, Bc, Bb are synthetic belongs to symbol mutually, and fill in each perpendicular accordingly row down.
For example: Q
1=72,2P
2=10, α then
10For
α
10＝ (5×360°)/72 ＝25°
Then:
The utmost point after the winding in Aa, Ac and three branch roads of Ab is together in series earlier respectively, is gone parallel connection by alphabetical A, the B of capitalization and C mutually again before becoming, and equally Ca, Cc and Cb and Ba, Bc and Bb is together in parallel respectively, they is connected into star connection again and is the 3Y connection.For becoming alphabetical a, b that the back utmost point press small letter and c mutually, soon aA, aC and aB, cA, cC equates with bB that with cB and bA, bC three windings in three branch roads are together in parallel respectively, is connected into star connection again, also forms the 3Y connection, its winding diagram is as shown in Figure 1.
Three, lose groove and final winding diagram
Above-mentioned 3Y/3Y connection has two serious problems to exist, that is: the serious imbalance of electromotive force in every phase three windings in parallel in (1) ends of the earth not can be used; (2) air gap flux density is than too far away from 1.The way that solves is to lose groove, its principle has two: (1) works as q=3, and during 3 multiple, be symmetry axis with the facies tract line of demarcation that becomes the back utmost point, lose near the relevant groove it, but must guarantee that the electromotive force in winding three branch roads in parallel satisfies the requirement of the degree of unbalance that allows, the degree of unbalance of this patent: it is that 0%, 1/3 scheme is that 1%, 13.3% scheme is 1-1.5% that 1/3 scheme is arranged, 13.3% scheme is 2--2.31%, and 6.7% scheme has reached 3.4%.(2) be as the criterion with the degree of unbalance that allows, select the relevant groove that to lose.Be that q is when being non-3 and non-3 multiple, (when being integer, calculates q with slot pitch by electrical degree, when q is mixed fraction, pressing mechanical angle calculates) be the interval, the electrical degree at each groove place is write as successively walked crosswise, more all grooves in three branch roads are filled under the corresponding angle, when facies tract is 60 °, promptly write till 60 °, when facies tract is 120 °, promptly write till 120 °.Calculating the interior composite value of every branch road with plural number then, lose groove by the value of argument, real part and imaginary part at last, calculate its degree of balance with the difference of real part and imaginary part, is example with this example, is calculated as follows:
Lose the how much relevant of groove with ultimate ratio value Rp=2p1/2p2, Rp is more little, it is suitably more to lose groove, Rp is big more, it is suitably a little less to lose groove, all grooves of losing add deduct after 180 ° by the electrical degree that becomes the back utmost point, transfer to other relevant back utmost points that become again and go in mutually, and receive again on the end of relevant three-phase three tunnel windings in parallel after the winding in these grooves is together in series respectively, just make it connect part for 1Y, thereby formed final winding diagram 3Y/3Y+Y connection, as shown in Figure 2, the facies tract that becomes the back utmost point has obviously become and has been 120 °, and Kd is also increased, Y connects half that the number of turn is partly generally got the 3Y coil sections number of turn, and final winding diagram as shown in Figure 3.
Now will be through research, and some schemes that obtain good result gather as follows:
The winding tie lines figure of these schemes such as accompanying drawing 3--Figure 16.
As shown in Figure 3, two-speed motor is 72 grooves, 8 utmost points/10 utmost points, and the winding connection mode is 3Y/3Y+Y, and power supply is from A, B, C power supply, and a, b, c disconnect, and power supply motor windings this moment is the 3Y wiring, and motor is for running up, and utmost point number of poles is 8 utmost points before becoming.When power supply from a, b, c power supply, A, B, C deenergization, this moment, motor windings was the 3Y+Y wiring, motor is a low-speed running, becomes back utmost point number of poles and is 10 utmost points.Electric Machine Control adopts two groups of switches to control respectively from A, B, C and a, b, c power supply.The motor stator winding groove number is arranged as: as Fig. 1, shown in Figure 3, belong to mutually Aa for (
The groove of motivation stator winding number arranges it is in above-mentioned 72 grooves, 8 utmost points/10 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 144 grooves, 16 utmost points/20 electrode two-speed motor stator winding number arranges it is in above-mentioned 72 grooves, 8 utmost points/10 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 72, promptly constitutes; The groove of 216 grooves, 24 utmost points/30 electrode two-speed motor stator winding number arranges it is the whole original grooves of each branch road number to be added 72 and then add after 144 in above-mentioned 72 grooves, 8 utmost points/10 pole motor stator winding grooves number are arranged earlier, be concatenated into again after this branch road, promptly constitute.On groove number, add " " symbol, represent that this groove electromotive force is reverse, the connection of each coil windings by groove electromotive force winding coil in the same way along connect, reverse reversal connection.The double-speed motor winding is arranged by double-deck, constant pitch square.
As Fig. 1, Fig. 2, shown in Figure 4, two-speed motor is that 36 grooves, 4 utmost points/6 electrode two-speed motor winding connection modes are 3Y/3Y+Y, and its groove number is arranged as: belong to mutually Aa for (1.2.3), Ca for (
The groove of stator winding number arranges it is in above-mentioned 36 grooves, 4 utmost points/6 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 72 grooves, 8 utmost points/12 electrode two-speed motor stator winding number arranges it is in above-mentioned 36 grooves, 4 utmost points/6 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 36, be during groove 4 utmost points/6 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be multiply by 3, before each groove number, add a continuous groove number again, promptly constitute; The groove of 108 grooves, 12 utmost points/18 electrode two-speed motor stator winding number arranges it is the whole original grooves of each branch road number to be added 36 and then add after 72 in above-mentioned 36 grooves, 4 utmost points/6 pole motor stator winding grooves number are arranged earlier, is concatenated into after this branch road again, promptly constitutes; The groove of 144 grooves, 8 utmost points/12 electrode two-speed motor stator winding number arranges it is in above-mentioned 72 grooves, 8 utmost points/12 electrode two-speed motor stator winding grooves number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes.
As Fig. 1, Fig. 2, shown in Figure 5, two-speed motor is 72 grooves, 6 utmost points/8 electrode two-speed motors
Groove number arranges it is in above-mentioned 72 grooves, 6 utmost points/8 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 144 grooves, 12 utmost points/16 electrode two-speed motor stator winding number arranges it is in above-mentioned 72 grooves, 6 utmost points/8 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 72, promptly constitutes; The groove of 216 grooves, 18 utmost points/24 electrode two-speed motor stator winding number arranges it is the whole original grooves of each branch road number to be added 72 and then add after 144 in above-mentioned 72 grooves, 6 utmost points/8 pole motor stator winding grooves number are arranged earlier, be concatenated into again after this branch road, promptly constitute.
As Fig. 1, Fig. 2, shown in Figure 6, two-speed motor is that 90 grooves, 10 utmost points/12 utmost point double speeds are electronic
The groove that the Y of the utmost point connects part a.b.c three-phase after the change of forming number is respectively (18.48.78), (28.58.88), (23.53.83); Number arrange it is in above-mentioned 90 grooves, 10 utmost points/12 pole motor slot for windings number are arranged, the groove number to be multiply by 2 for the groove of 180 grooves, 10 utmost points/12 electrode two-speed motor stator winding, before each groove number, add a continuous odd bin number again, promptly constitute; The groove of 180 grooves, 20 utmost points/24 electrode two-speed motor stator winding number arranges it is in above-mentioned 90 grooves, 10 utmost points/12 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 90, promptly constitutes.
As Fig. 1, Fig. 2, shown in Figure 7, two-speed motor is that 108 grooves, 12 utmost points/14 utmost point double speeds are electronic
The groove of winding number arranges it is in above-mentioned 108 grooves, 12 utmost points/14 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 216 grooves, 24 utmost points/28 electrode two-speed motor stator winding number arranges it is in above-mentioned 108 grooves, 12 utmost points/14 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 108, promptly constitutes.
As Fig. 1, Fig. 2, shown in Figure 8, two-speed motor is that 108 grooves, 8 utmost points/10 utmost point double speeds are electronic
Claims (15)
1, a kind of high target single-winding pole-changing varying speed motor, it comprises motor stator and rotor, it is characterized in that the motor stator winding adopts two layer winding, stator winding is got minority and is very become the preceding utmost point, majority very becomes the back utmost point, minority utmost point winding is distributed into A by 60 ° of facies tracts, B, C threephase stator winding, become back utmost point stator winding by becoming the first-harmonic electrical degree that the back utmost point calculates each groove place, the sense of current in each groove is constant by extreme direction before becoming, divide the facies tract line of demarcation that becomes the back utmost point by 120 ° of facies tracts, mark the symbol of the genus mutually a that becomes the back utmost point, b, c, and then the genus mutually before and after the pole-changing merged obtain Aa, Ab, Ac, Ca, Cc, Cb, Ba, Bc, Bb nine is combined into and belongs to symbol mutually, the part slot coil that becomes the back utmost point is lost, then same following the coil that comprises in the groove of symbol that belong to mutually connected respectively; Utmost point winding is connected into Y-connection by belonging to symbol Aa, Ac and Ab parallel connection, Ca, Cc and Cb parallel connection, Ba, Bc and Bb parallel connection mutually with these three groups windings in parallel before becoming, and utmost point winding connection mode connected into 3Y before formation became; Become back utmost point winding by belonging to symbol Aa, Ca and Ba parallel connection mutually, Ac, Cc and Bc parallel connection, Ab, Cb and Bb parallel connection are connected into star with these three groups windings in parallel, constitute the 3Y that becomes back utmost point winding and connect; The above-mentioned slot coil of losing is added deduct after 180 ° by the electrical degree that becomes the back utmost point, transfer to the corresponding change back utmost point mutually in, and after this part is lost the slot coil winding and connect respectively, be connected to the not end that becomes back utmost point three-phase three tunnel windings in parallel, constitute that to become back utmost point winding connection mode be that 3Y+Y connects.
2, according to the described motor of claim 1, it is characterized in that becoming coil turn that Y in the utmost point 3Y+Y connection of back connects part and connect half of the coil sections number of turn into 3Y, the facies tract that becomes the back utmost point is less than 120 °.
3, according to the described motor of claim 1, the part slot coil that it is characterized in that becoming the back utmost point lose be according to: the electric potential balancing degree that whenever is in parallel in winding three branch roads with control is as the criterion, select the relevant slot coil that to lose, lose slot coil what by ultimate ratio value RP(RP=2P1/2P2) more little, it is suitably more to lose slot coil, RP is big more, and it is suitably a little less to lose slot coil.
4,, it is characterized in that 72 grooves, 8 utmost points/10 utmost point double speeds are electronic according to the described motor of claim 1
The groove of winding number arranges it is in above-mentioned 72 grooves, 8 utmost points/10 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 144 grooves, 16 utmost points/20 electrode two-speed motor stator winding number arranges it is in above-mentioned 72 grooves, 8 utmost points/10 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 72, promptly constitutes; The groove of 216 grooves, 24 utmost points/30 electrode two-speed motor stator winding number arranges it is the whole original grooves of each branch road number to be added 72 and then add after 144 in above-mentioned 72 grooves, 8 utmost points/10 pole motor stator winding grooves number are arranged earlier, be concatenated into again after this branch road, promptly constitute.
5,, it is characterized in that 36 grooves, 4 utmost points/6 utmost point double speeds according to the described motor of claim 1
The groove of stator winding number arranges it is in above-mentioned 36 grooves, 4 utmost points/6 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 72 grooves, 8 utmost points/12 electrode two-speed motor stator winding number arranges it is in above-mentioned 36 grooves, 4 utmost points/6 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 36, promptly constitutes; 108 grooves, 4 utmost points/6 pole motor stator winding grooves number arrange it is in above-mentioned 36 grooves, 4 utmost points/6 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be multiply by 3, add two continuous groove numbers again before each groove number, promptly constitute; The groove of 108 grooves, 12 utmost points/18 electrode two-speed motor stator winding number arranges it is the whole original grooves of each branch road number to be added 36 and then add after 72 in above-mentioned 36 grooves, 4 utmost points/6 pole motor stator winding grooves number are arranged earlier, is concatenated into after this branch road again, promptly constitutes; The groove of 144 grooves, 8 utmost points/12 electrode two-speed motor stator winding number arranges it is in above-mentioned 72 grooves, 8 utmost points/12 electrode two-speed motor stator winding grooves number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes.
6,, it is characterized in that 72 grooves, 6 utmost points/8 utmost point double speeds according to the described motor of claim 1
Groove number arranges it is in above-mentioned 72 grooves, 6 utmost points/8 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 144 grooves, 12 utmost points/16 electrode two-speed motor stator winding number arranges it is in above-mentioned 72 grooves, 6 utmost points/8 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 72, promptly constitutes; The groove of 216 grooves, 18 utmost points/24 electrode two-speed motor stator winding number arranges it is the whole original grooves of each branch road number to be added 72 and then add after 144 in above-mentioned 72 grooves, 6 utmost points/8 pole motor stator winding grooves number are arranged earlier, be concatenated into again after this branch road, promptly constitute.
7,, it is characterized in that 90 grooves, 10 utmost points/12 utmost point double speeds according to the described motor of claim 1
The groove that the Y of the utmost point connects part a.b.c three-phase after the change of forming number is respectively (18.48.78), (28.58.88), (23.53.83); Number arrange it is in above-mentioned 90 grooves, 10 utmost points/12 pole motor slot for windings number are arranged, the groove number to be multiply by 2 for the groove of 180 grooves, 10 utmost points/12 electrode two-speed motor stator winding, before each groove number, add a continuous odd bin number again, promptly constitute; The groove of 180 grooves, 20 utmost points/24 electrode two-speed motor stator winding number arranges it is in above-mentioned 90 grooves, 10 utmost points/12 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 90, promptly constitutes.
8,, it is characterized in that 108 grooves, 12 utmost points/14 utmost point double speeds according to the described motor of claim 1
The groove of winding number arranges it is in above-mentioned 108 grooves, 12 utmost points/14 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 216 grooves, 24 utmost points/28 electrode two-speed motor stator winding number arranges it is in above-mentioned 108 grooves, 12 utmost points/14 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 108, promptly constitutes.
9, according to the described motor of claim 1, it is characterized in that 108 grooves, 8 utmost points/10 electrode two-speed motor winding connection modes are 3Y/3Y+Y, its groove number is arranged as: belonging to Aa mutually is (2.3.4.5
The groove of stator winding number arranges it is in above-mentioned 108 grooves, 8 utmost points/10 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 108, promptly constitutes.
10,, it is characterized in that 126 grooves, 10 utmost points/12 are extremely two according to the described motor of claim 1
The groove of 10 utmost points/12 electrode two-speed motor stator winding number arranges it is in above-mentioned 126 grooves, 10 utmost points/12 pole motor slot for windings number are arranged the groove number to be multiply by 2, adds a continuous odd bin number again before each groove number, promptly constitutes; The groove of 252 grooves, 20 utmost points/24 electrode two-speed motor stator winding number arranges it is in above-mentioned 126 grooves, 10 utmost points/12 pole motor stator winding grooves number are arranged the whole original grooves of each branch road number to be added after 126, promptly constitutes.
11,, it is characterized in that 120 grooves, 8 utmost points/10 utmost point double speeds according to the described motor of claim 1
12, according to the described motor of claim 1, it is characterized in that 96 grooves, 8 utmost points/10 electrode two-speed motor winding connection modes are 3Y/3Y+Y, its groove number is arranged as: belonging to Aa mutually is (1.2.3.4.
13,, it is characterized in that 126 grooves, 14 utmost points/16 are extremely two according to the described motor of claim 1
14, according to the described motor of claim 1, it is characterized in that 144 grooves, 12 utmost points/14 electrode two-speed motor winding connection modes are 3Y/3Y+Y, its groove number is arranged as: belong to Aa mutually and be (()/135
Number arrange it is in above-mentioned 144 grooves, 12 utmost points/14 pole motor stator winding grooves number are arranged, the whole original grooves of each branch road number to be added after 144 in the groove of 288 grooves, 24 utmost points/28 electrode two-speed motor stator winding, promptly constitute.
15,, it is characterized in that 144 grooves, 16 utmost points/18 utmost point double speeds according to the described motor of claim 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94226391U CN2185007Y (en) | 1994-03-18 | 1994-03-18 | High target single winding pole-changing speed changing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94226391U CN2185007Y (en) | 1994-03-18 | 1994-03-18 | High target single winding pole-changing speed changing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2185007Y true CN2185007Y (en) | 1994-12-07 |
Family
ID=33839366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94226391U Expired - Fee Related CN2185007Y (en) | 1994-03-18 | 1994-03-18 | High target single winding pole-changing speed changing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2185007Y (en) |
-
1994
- 1994-03-18 CN CN94226391U patent/CN2185007Y/en not_active Expired - Fee Related
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |