CN103475121A - Rotor, doubly-fed generator and wire winding method - Google Patents
Rotor, doubly-fed generator and wire winding method Download PDFInfo
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- CN103475121A CN103475121A CN2012101857624A CN201210185762A CN103475121A CN 103475121 A CN103475121 A CN 103475121A CN 2012101857624 A CN2012101857624 A CN 2012101857624A CN 201210185762 A CN201210185762 A CN 201210185762A CN 103475121 A CN103475121 A CN 103475121A
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Abstract
The invention provides a rotor for a doubly-fed generator. The number of conductors in each slot of the rotor is an even number greater than 2, the conductors in each slot is distributed into multiple columns, each column includes two conductors which are arranged up and down, and insulation material is filled between adjacent conductors. Accordingly, the invention further provides a doubly-fed generator and a wire winding method. With the rotor, the doubly-fed generator and the wire winding method of the invention, the consequences of rotor tooth flux density increase, rotor excitation current increase, motor efficiency reduction and the like can be avoided while the blocking open-circuit voltage can be increased.
Description
Technical field
The present invention relates to electrical generator fields, in particular to a kind of rotor, a kind of double-fed generator and a kind of method for winding.
Background technology
During the double-fed generator normal operation, in order to guarantee the voltage waveform of motor stator output constant frequency and constant voltage, need to utilize variable frequency power supply to be regulated amplitude and the phase place of electric current in rotor three phase windings.When carrying out the double-fed generator design, in order to reduce the temperature rise of rotor-end variable frequency power supply, be all generally under the prerequisite that the variable frequency power supply capacity is constant, rotor stall open circuit voltage to be heightened guaranteeing, and allow rotor winding running current diminish, thereby reduce the caloric value of variable frequency power supply.
The raising of double-fed generator blocking rotor turn-off road voltage, can realize by the effective windings in series turn ratio that improves rotor and stator.Because the double-fed generator stator terminal directly is connected with the electrical network of voltage constant, known according to the law of electromagnetic induction, after the motor stator parameter is determined, the every utmost point magnetic flux of air gap is also determined, if now according to mode commonly used in existing correlation technique, be that the every groove conductor of rotor number is 2 to carry out the design of wave winding, in order to guarantee that motor has higher rotor open circuit voltage, need to increase the groove number of rotor, and the increase of rotor number will cause reducing of rotor tooth section width, cause the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction.
Therefore, need a kind of novel rotor, can, when improving the stall open circuit voltage, avoid causing the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction.
Summary of the invention
One object of the present invention is, a kind of novel rotor is provided, and can, when improving the stall open circuit voltage, avoid causing the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction.
In view of this, the invention provides a kind of rotor, for double-fed generator, every groove conductor number of described rotor is to be greater than 2 even number, and the conductor in each groove is scattered in multiple row, is two conductors in every row and arranges up and down, fills megohmite insulant between adjacent conductor.
In this technical scheme, every groove conductor number of rotor is to be greater than 2 even number, when improving the stall open circuit voltage, avoids causing the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction.
Preferably, the size of each described conductor and material are all identical, and each conductor is all identical, so only need to produce the same conductor and get final product, and have reduced cost.
In a kind of concrete technical scheme, every groove conductor number of described rotor is 4, and four conductors in each groove are scattered in two row two row.
Wherein, described rotor can adopt open slot, also can adopt semi-open slot.As optimal technical scheme, adopt semi-open slot, when rotor is applied to motor, can reduce the harmonic wave of magnetic field in air gap, improve the efficiency of generator.
The present invention also provides a kind of double-fed generator, comprise the described rotor of any one in technique scheme, and described double-fed generator is threephase generator.
Wherein, the pitch of described rotor winding is less than or greater than the pole span of the rotor of described double-fed generator, also can equal the pole span of the rotor of described double-fed generator, and the pitch of described rotor both can adopt short distance or long distance, also can adopt whole distance.
Adopt the more difficult mechanical balance that reaches of the non-whole rotor apart from wave winding in order to solve in existing correlation technique, also can increase the problem of the interpolar line of coil, the pitch of preferred described rotor winding equals the pole span of described motor, adopt the method for winding of whole distance, can guarantee well the mechanical balance of rotor and the interpolar line that reduces coil.
Rotor for the double-fed generator in technique scheme, the present invention also correspondingly provides a kind of method for winding, wherein, every groove conductor number of described rotor is 4, four conductors in each groove are scattered in two row two row, in when coiling, make the pitch of described rotor equal the pole span n of the rotor of described generator, concrete mode of connection is: distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in the 1st groove and n+1 groove as A phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 4n/3 groove and 7n/3 groove;
Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in 4n/3+1 groove and 7n/3+1 groove as B phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 8n/3 groove and 11n/3 groove;
Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in 8n/3+1 groove and 11n/3+1 groove as C phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 4n groove and n groove.
Based on technique scheme, described method for winding specifically comprises:
Non-wiring at the A of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu n+1 groove to the 4n/3 groove of the 1st groove to the n/3 groove is connected respectively, the limit, upper strata of n+1 groove to the 4n/3 groove is connected with the lower floor limit of 2n+1 groove to the 7n/3 groove respectively, the limit, upper strata of 2n+1 groove to the 7n/3 groove is connected with the lower floor limit of 3n+1 groove to the 10n/3 groove respectively, the limit, upper strata of 3n+1 groove to the 10n/3 groove is connected with the lower floor limit of the 1st groove to the n/3 groove respectively
Distolateral in wiring, the lower floor limit of secondary series conductor to the n/3 groove in the 1st groove is connected with the limit, upper strata of first row conductor in n+1 groove to the 4n/3 groove respectively, the lower floor limit of secondary series conductor to the 4n/3 groove in the n+1 groove is connected with the limit, upper strata of first row conductor in 2n+1 groove to the 7n/3 groove respectively, the lower floor limit of 2n+1 groove to the 7n/3 groove is connected with the limit, upper strata of 3n+1 groove to the 10n/3 groove respectively, the lower floor limit of 3n+1 groove to the 10n/3 groove is connected with the limit, upper strata of the 1st groove to the n/3 groove respectively;
Non-wiring at the B of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu 4n/3+1 groove to the 5n/3 groove of n/3+1 groove to the 2n/3 groove is connected respectively, the limit, upper strata of 4n/3+1 groove to the 5n/3 groove is connected with the lower floor limit of 7n/3+1 groove to the 8n/3 groove respectively, the limit, upper strata of 7n/3+1 groove to the 8n/3 groove is connected with the lower floor limit of 10n/3+1 groove to the 11n/3 groove respectively, the limit, upper strata of 10n/3+1 groove to the 11n/3 groove is connected with the lower floor limit of n/3+1 groove to the 2n/3 groove respectively
Distolateral in wiring, the lower floor limit of n/3+1 groove to the 2n/3 groove is connected with the limit, upper strata of 4n/3+1 groove to the 5n/3 groove respectively, the lower floor limit of secondary series conductor to the 5n/3 groove in the 4n/3+1 groove is connected with the limit, upper strata of first row conductor in 7n/3+1 groove to the 8n/3 groove respectively, the lower floor limit of secondary series conductor to the 8n/3 groove in the 7n/3+1 groove is connected with the limit, upper strata of first row conductor in 10n/3+1 groove to the 11n/3 groove respectively, the lower floor limit of 10n/31 groove to the 11n/3 groove is connected with the limit, upper strata of n/3+1 groove to the 2n/3 groove respectively;
Non-wiring at the C of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu 5n/3+1 groove to the 2n groove of 2n/3+1 groove to the n groove is connected respectively, the limit, upper strata of 5n/3+1 groove to the 6n groove is connected with the lower floor limit of 8n/3+1 groove to the 3n groove respectively, the limit, upper strata of 8n/3 groove to the 3n groove is connected with the lower floor limit of 11n/3 groove to the 4n groove respectively, the limit, upper strata of 11n/3+1 groove to the 4n groove is connected with the lower floor limit of 2n/3+1 groove to the n groove respectively
Distolateral in wiring, the lower floor limit of 2n/3+1 groove to the n groove is connected with the limit, upper strata of 5n/3+1 groove to the 2n groove respectively, the lower floor limit of 5n/3+1 groove to the 2n groove is connected with the limit, upper strata of 8n/3+1 groove to the 3n groove respectively, the lower floor limit of secondary series conductor to the 3n groove in the 8n/3+1 groove is connected with the limit, upper strata of first row conductor in 11n/3+1 to the 4n groove respectively, the lower floor limit of secondary series conductor to the 4n groove in the 11n/3+1 groove is connected with the limit, upper strata of first row conductor in 2n/3+1 groove to the n groove respectively.
In sum, by the present invention, adopt many group conductors in a groove of rotor, two every group, realized when improving the stall open circuit voltage, avoid causing the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction; Rotor adopts semi-open slot, when rotor is applied to motor, can reduce the harmonic wave of magnetic field in air gap, improves the efficiency of generator; And the pitch of rotor adopts whole distance, can guarantee well the mechanical balance of rotor and the interpolar line that reduces coil.
The accompanying drawing explanation
Fig. 1 is according to the conductor arrangement schematic diagram in a groove of the rotor of first embodiment of the invention;
Fig. 2 and Fig. 3 are the schematic diagrames according to the method for winding of second embodiment of the invention;
Fig. 4 and Fig. 5 are the schematic diagrames according to B phase winding in the method for winding of second embodiment of the invention;
Fig. 6 and Fig. 7 are the schematic diagrames according to C phase winding in the method for winding of second embodiment of the invention.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Below in conjunction with drawings and Examples, the present invention will be further described.It should be noted that, in the situation that do not conflict, the application's embodiment and the feature in embodiment can combine mutually.
Fig. 1 is according to the conductor arrangement schematic diagram in a groove of the rotor of first embodiment of the invention.
As a kind of specific embodiment, in the present embodiment, as shown in Figure 1, every groove conductor number of described rotor is 4, and four conductors 61 in each groove are scattered in two row two row, fills megohmite insulant 62 between adjacent conductor.
In this technical scheme, every groove conductor number of rotor is 4, when improving the stall open circuit voltage, avoids causing the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction.
In addition, the size of each described conductor and material are all identical, and each conductor is all identical, so only need to produce the same conductor and get final product, and have reduced cost.
Wherein, described rotor can adopt open slot, also can adopt semi-open slot 63.As optimal technical scheme, adopt semi-open slot, when rotor is applied to motor, can reduce the harmonic wave of magnetic field in air gap, improve the efficiency of generator.
Double-fed generator in the present embodiment, comprise the described rotor of any one in technique scheme, and described double-fed generator is threephase generator.
Wherein, the pitch of described rotor winding is less than or greater than the pole span of the rotor of described double-fed generator, also can equal the pole span of the rotor of described double-fed generator, and the pitch of described rotor both can adopt short distance or long distance, also can adopt whole distance.
Adopt the more difficult mechanical balance that reaches of the non-whole rotor apart from wave winding in order to solve in existing correlation technique, also can increase the problem of the interpolar line of coil, the pitch of preferred described rotor winding equals the pole span of described motor, adopt the method for winding of whole distance, can guarantee well the mechanical balance of rotor and the interpolar line that reduces coil.
Rotor for the double-fed generator in technique scheme, the present invention also correspondingly provides a kind of method for winding, wherein, every groove conductor number of described rotor is 4, four conductors in each groove are scattered in two row two row, in when coiling, make the pitch of described rotor equal the pole span n of the rotor of described generator, concrete mode of connection is: distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in the 1st groove and n+1 groove as A phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 4n/3 groove and 7n/3 groove; Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in 4n/3+1 groove and 7n/3+1 groove as B phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 8n/3 groove and 11n/3 groove; Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in 8n/3+1 groove and 11n/3+1 groove as C phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 4n groove and n groove.
Based on technique scheme, described method for winding specifically comprises:
Non-wiring at the A of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu n+1 groove to the 4n/3 groove of the 1st groove to the n/3 groove is connected respectively, the limit, upper strata of n+1 groove to the 4n/3 groove is connected with the lower floor limit of 2n+1 groove to the 7n/3 groove respectively, the limit, upper strata of 2n+1 groove to the 7n/3 groove is connected with the lower floor limit of 3n+1 groove to the 10n/3 groove respectively, the limit, upper strata of 3n+1 groove to the 10n/3 groove is connected with the lower floor limit of the 1st groove to the n/3 groove respectively
Distolateral in wiring, the lower floor limit of secondary series conductor to the n/3 groove in the 1st groove is connected with the limit, upper strata of first row conductor in n+1 groove to the 4n/3 groove respectively, the lower floor limit of secondary series conductor to the 4n/3 groove in the n+1 groove is connected with the limit, upper strata of first row conductor in 2n+1 groove to the 7n/3 groove respectively, the lower floor limit of 2n+1 groove to the 7n/3 groove is connected with the limit, upper strata of 3n+1 groove to the 10n/3 groove respectively, the lower floor limit of 3n+1 groove to the 10n/3 groove is connected with the limit, upper strata of the 1st groove to the n/3 groove respectively;
Non-wiring at the B of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu 4n/3+1 groove to the 5n/3 groove of n/3+1 groove to the 2n/3 groove is connected respectively, the limit, upper strata of 4n/3+1 groove to the 5n/3 groove is connected with the lower floor limit of 7n/3+1 groove to the 8n/3 groove respectively, the limit, upper strata of 7n/3+1 groove to the 8n/3 groove is connected with the lower floor limit of 10n/3+1 groove to the 11n/3 groove respectively, the limit, upper strata of 10n/3+1 groove to the 11n/3 groove is connected with the lower floor limit of n/3+1 groove to the 2n/3 groove respectively
Distolateral in wiring, the lower floor limit of n/3+1 groove to the 2n/3 groove is connected with the limit, upper strata of 4n/3+1 groove to the 5n/3 groove respectively, the lower floor limit of secondary series conductor to the 5n/3 groove in the 4n/3+1 groove is connected with the limit, upper strata of first row conductor in 7n/3+1 groove to the 8n/3 groove respectively, the lower floor limit of secondary series conductor to the 8n/3 groove in the 7n/3+1 groove is connected with the limit, upper strata of first row conductor in 10n/3+1 groove to the 11n/3 groove respectively, the lower floor limit of 10n/31 groove to the 11n/3 groove is connected with the limit, upper strata of n/3+1 groove to the 2n/3 groove respectively;
Non-wiring at the C of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu 5n/3+1 groove to the 2n groove of 2n/3+1 groove to the n groove is connected respectively, the limit, upper strata of 5n/3+1 groove to the 6n groove is connected with the lower floor limit of 8n/3+1 groove to the 3n groove respectively, the limit, upper strata of 8n/3 groove to the 3n groove is connected with the lower floor limit of 11n/3 groove to the 4n groove respectively, the limit, upper strata of 11n/3+1 groove to the 4n groove is connected with the lower floor limit of 2n/3+1 groove to the n groove respectively
Distolateral in wiring, the lower floor limit of 2n/3+1 groove to the n groove is connected with the limit, upper strata of 5n/3+1 groove to the 2n groove respectively, the lower floor limit of 5n/3+1 groove to the 2n groove is connected with the limit, upper strata of 8n/3+1 groove to the 3n groove respectively, the lower floor limit of secondary series conductor to the 3n groove in the 8n/3+1 groove is connected with the limit, upper strata of first row conductor in 11n/3+1 to the 4n groove respectively, the lower floor limit of secondary series conductor to the 4n groove in the 11n/3+1 groove is connected with the limit, upper strata of first row conductor in 2n/3+1 groove to the n groove respectively.
Fig. 2 and Fig. 3 are the schematic diagrames according to A phase winding in the method for winding of second embodiment of the invention; Fig. 4 and Fig. 5 are the schematic diagrames according to B phase winding in the method for winding of second embodiment of the invention; Fig. 6 and Fig. 7 are the schematic diagrames according to C phase winding in the method for winding of second embodiment of the invention.
The double-fed generator that 60 grooves based on technique scheme and number of poles be 4 of below take is example, illustrates its method for winding.
In the present embodiment, as shown in Fig. 2 to Fig. 7, the groove that the label of take is 1 and 1 ' is example: the conductor that label is 1 refers in this groove at the first row conductor described in technique scheme, number is that 1 ' conductor refers in this groove at the secondary series conductor described in technique scheme; And at each, in identical label, the conductor on the left side is limit, described upper strata, and the conductor on the right is described lower floor limit; Other label in like manner.
Particularly, because this generating trough number is 60, number of poles is 4, thus pole span n=60/4=15, because pitch adopts whole distance, so pitch is also 15.
By in the method for winding in n=15 substitution technique scheme, the method for winding in the present embodiment got final product:
Distolateral in wiring, as Fig. 2, using the lead-out wire on the lower floor limit of groove 1 and groove 16 as A phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of groove 20 ' and groove 35 ';
Distolateral in wiring, as Fig. 4, using the lead-out wire on the lower floor limit of groove 21 and conditioning tank 36 as B phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in groove 40 ' and groove 55;
Distolateral in wiring, as Fig. 6, using the lead-out wire on the lower floor limit of groove 41 and conditioning tank 56 as C phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of groove 60 ' and groove 15 '.
As shown in Figures 2 and 3:
Non-wiring at the A of described rotor phase winding is distolateral, limit, upper strata by groove 1 to groove 5 ' is connected respectively with the lower floor limit of groove 16 to groove 20 ', limit, upper strata by groove 16 to groove 20 ' is connected with the lower floor limit of groove 31 to groove 35 ' respectively, limit, upper strata by groove 31 to groove 35 ' is connected with the lower floor limit of groove 16 to groove 50 ' respectively, limit, upper strata by groove 46 to groove 50 ' is connected with the lower floor limit of groove 1 to groove 5 ' respectively
Distolateral in wiring, lower floor limit by groove 1 ' to groove 5 ' is connected with the limit, upper strata of groove 16 to groove 20 respectively, lower floor limit by groove 16 ' to groove 20 ' is connected with the limit, upper strata of groove 31 to groove 35 respectively, lower floor limit by groove 31 to groove 35 ' is connected with the limit, upper strata of groove 46 to groove 50 ' respectively, and the lower floor limit by groove 46 to groove 50 ' is connected with the limit, upper strata of groove 1 to groove 50 ' respectively;
B phase and C phase winding and A phase winding in like manner, only need will can obtain in n=15 substitution aforementioned techniques scheme, and its result as shown in Figures 4 to 7.
In sum, by the present invention, adopt many group conductors in a groove of rotor, two every group, realized when improving the stall open circuit voltage, avoid causing the consequences such as the close increase of rotor tooth magnetic, the increase of rotor exciting curent and electric efficiency reduction; Rotor adopts semi-open slot, when rotor is applied to motor, can reduce the harmonic wave of magnetic field in air gap, improves the efficiency of generator; And the pitch of rotor adopts whole distance, can guarantee well the mechanical balance of rotor and the interpolar line that reduces coil.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a rotor, for double-fed generator, is characterized in that, every groove conductor number of described rotor is to be greater than 2 even number, conductor in each groove (61) is scattered in multiple row, is two conductors (61) in every row and arranges up and down, fills megohmite insulant (62) between adjacent conductor (61).
2. rotor according to claim 1, is characterized in that, size and the material of each described conductor (61) are all identical.
3. rotor according to claim 1, is characterized in that, every groove conductor number of described rotor is 4, and four conductors (61) in each groove are scattered in two row two row.
4. according to the described rotor of any one in claims 1 to 3, it is characterized in that, described rotor adopts open slot.
5. according to the described rotor of any one in claims 1 to 3, it is characterized in that, described rotor adopts semi-open slot (63).
6. a double-fed generator, is characterized in that, comprises rotor as described as any one in claim 1 to 5, and described double-fed generator is threephase generator.
7. double-fed generator according to claim 6, is characterized in that, the pitch of described rotor winding equals the pole span of the rotor of described double-fed generator.
8. double-fed generator according to claim 6, is characterized in that, the pitch of described rotor winding is less than or greater than the pole span of the rotor of described double-fed generator.
9. a method for winding, it is characterized in that, be used for the rotor of double-fed generator as claimed in claim 6, every groove conductor number of described rotor is 4, four conductors in each groove are scattered in two row two row, in when coiling, make the pitch of described rotor equal the pole span n of the rotor of described double-fed generator, concrete mode of connection is:
Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in the 1st groove and n+1 groove as A phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 4n/3 groove and 7n/3 groove;
Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in 4n/3+1 groove and 7n/3+1 groove as B phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 8n/3 groove and 11n/3 groove;
Distolateral in wiring, using the lead-out wire on the lower floor limit of first row conductor in 8n/3+1 groove and 11n/3+1 groove as C phase winding external cabling port, by the lead-out wire short circuit on the limit, upper strata of secondary series conductor in 4n groove and n groove.
10. method for winding according to claim 9, is characterized in that, specifically comprises:
Non-wiring at the A of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu n+1 groove to the 4n/3 groove of the 1st groove to the n/3 groove is connected respectively, the limit, upper strata of n+1 groove to the 4n/3 groove is connected with the lower floor limit of 2n+1 groove to the 7n/3 groove respectively, the limit, upper strata of 2n+1 groove to the 7n/3 groove is connected with the lower floor limit of 3n+1 groove to the 10n/3 groove respectively, the limit, upper strata of 3n+1 groove to the 10n/3 groove is connected with the lower floor limit of the 1st groove to the n/3 groove respectively
Distolateral in wiring, the lower floor limit of secondary series conductor to the n/3 groove in the 1st groove is connected with the limit, upper strata of first row conductor in n+1 groove to the 4n/3 groove respectively, the lower floor limit of secondary series conductor to the 4n/3 groove in the n+1 groove is connected with the limit, upper strata of first row conductor in 2n+1 groove to the 7n/3 groove respectively, the lower floor limit of 2n+1 groove to the 7n/3 groove is connected with the limit, upper strata of 3n+1 groove to the 10n/3 groove respectively, the lower floor limit of 3n+1 groove to the 10n/3 groove is connected with the limit, upper strata of the 1st groove to the n/3 groove respectively;
Non-wiring at the B of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu 4n/3+1 groove to the 5n/3 groove of n/3+1 groove to the 2n/3 groove is connected respectively, the limit, upper strata of 4n/3+1 groove to the 5n/3 groove is connected with the lower floor limit of 7n/3+1 groove to the 8n/3 groove respectively, the limit, upper strata of 7n/3+1 groove to the 8n/3 groove is connected with the lower floor limit of 10n/3+1 groove to the 11n/3 groove respectively, the limit, upper strata of 10n/3+1 groove to the 11n/3 groove is connected with the lower floor limit of n/3+1 groove to the 2n/3 groove respectively
Distolateral in wiring, the lower floor limit of n/3+1 groove to the 2n/3 groove is connected with the limit, upper strata of 4n/3+1 groove to the 5n/3 groove respectively, the lower floor limit of secondary series conductor to the 5n/3 groove in the 4n/3+1 groove is connected with the limit, upper strata of first row conductor in 7n/3+1 groove to the 8n/3 groove respectively, the lower floor limit of secondary series conductor to the 8n/3 groove in the 7n/3+1 groove is connected with the limit, upper strata of first row conductor in 10n/3+1 groove to the 11n/3 groove respectively, the lower floor limit of 10n/31 groove to the 11n/3 groove is connected with the limit, upper strata of n/3+1 groove to the 2n/3 groove respectively;
Non-wiring at the C of described rotor phase winding is distolateral, the lower floor limit of upper strata Bian Yu 5n/3+1 groove to the 2n groove of 2n/3+1 groove to the n groove is connected respectively, the limit, upper strata of 5n/3+1 groove to the 6n groove is connected with the lower floor limit of 8n/3+1 groove to the 3n groove respectively, the limit, upper strata of 8n/3 groove to the 3n groove is connected with the lower floor limit of 11n/3 groove to the 4n groove respectively, the limit, upper strata of 11n/3+1 groove to the 4n groove is connected with the lower floor limit of 2n/3+1 groove to the n groove respectively
Distolateral in wiring, the lower floor limit of 2n/3+1 groove to the n groove is connected with the limit, upper strata of 5n/3+1 groove to the 2n groove respectively, the lower floor limit of 5n/3+1 groove to the 2n groove is connected with the limit, upper strata of 8n/3+1 groove to the 3n groove respectively, the lower floor limit of secondary series conductor to the 3n groove in the 8n/3+1 groove is connected with the limit, upper strata of first row conductor in 11n/3+1 to the 4n groove respectively, the lower floor limit of secondary series conductor to the 4n groove in the 11n/3+1 groove is connected with the limit, upper strata of first row conductor in 2n/3+1 groove to the n groove respectively.
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| CN2012101857624A CN103475121A (en) | 2012-06-06 | 2012-06-06 | Rotor, doubly-fed generator and wire winding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020083345A1 (en) * | 2018-10-24 | 2020-04-30 | 天津市松正电动汽车技术股份有限公司 | Motor stator and motor |
| WO2020114254A1 (en) * | 2018-12-05 | 2020-06-11 | 中车永济电机有限公司 | Rotor for doubly-fed wind generator |
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| WO2020114254A1 (en) * | 2018-12-05 | 2020-06-11 | 中车永济电机有限公司 | Rotor for doubly-fed wind generator |
| CN111277060A (en) * | 2018-12-05 | 2020-06-12 | 中车永济电机有限公司 | Double-fed wind driven generator rotor |
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