CN207234636U - A kind of Damper Winding of salient pole type single-phase generator - Google Patents
A kind of Damper Winding of salient pole type single-phase generator Download PDFInfo
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- CN207234636U CN207234636U CN201721238708.6U CN201721238708U CN207234636U CN 207234636 U CN207234636 U CN 207234636U CN 201721238708 U CN201721238708 U CN 201721238708U CN 207234636 U CN207234636 U CN 207234636U
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Abstract
The utility model discloses a kind of Damper Winding of salient pole type single-phase generator, nine amortisseur bars, a diameter of Ф 5mm of two amortisseur bars on two pole shoe tips are installed on each rotor magnetic pole；A diameter of Ф 7mm of seven amortisseur bars on pole body；Nine damping holes are opened up at the nearly outer rim of each pole segment of damping sheet, wherein a diameter of Ф 5.5mm of the damping hole of the amortisseur bar of two a diameter of Ф 5mm are corresponded to, a diameter of Ф 7.5mm of the damping hole of the amortisseur bar of corresponding seven a diameter of Ф 7mm；The pitch angle of nine damping holes in each pole segment is 6 °；After all amortisseur bars penetrate the damping slot on rotor magnetic pole, two pieces of damping sheets are sleeved on the both ends of all amortisseur bars, then two pieces of damping sheets is connected as a single entity with all amortisseur bars by welding, form squirrel-cage Damper Winding.The Damper Winding of the utility model, can improve the irregularity of wave form of generator output voltage can simultaneously weaken the negative sequence component of composite magnetic power.
Description
Technical field
It the utility model is related to a kind of Damper Winding of salient pole type single-phase generator.
Background technology
To improve the dynamic property of stability and amplification generator in generator operation, existing brushless three-phase
Synchronous generator is all designed with Damper Winding.When designing and developing single-phase brush-less synchronous generator, to save exploitation and being manufactured into
This, the rotor structure of single-phase generator usually borrows the structure of the three-phase rotor of maturation.When this structure is used for single-phase generator,
Due to can not effectively weaken composite magnetic power negative sequence component, it is easy to cause that damping is poor, makes the waveform of generator output voltage
The problems such as aberration rate is excessive, and amortisseur bar overheats.
Utility model content
The purpose of the utility model is to overcome provide a kind of resistance of salient pole type single-phase generator the defects of the prior art
Buddhist nun's winding, the irregularity of wave form that it can improve generator output voltage can simultaneously weaken the negative sequence component of composite magnetic power.
What the purpose of this utility model was realized in：A kind of Damper Winding of salient pole type single-phase generator, the power generation
For quadrupole and including stator and rotor, the Damper Winding is included in the more damping slots being installed on rotor magnetic pole the number of poles of machine
Amortisseur bar and two pieces each be installed on rotor core both ends damping sheets；
The quantity of the amortisseur bar is 30 six roots of sensation and is red copper cylindrical bars, and nine dampings are installed on each rotor magnetic pole
Bar, wherein, the diameter of two amortisseur bars on two pole shoe tips of each rotor magnetic pole, which is less than, is installed on each turn
The diameter of seven amortisseur bars on the pole body of sub- magnetic pole；
The shape of the damping sheet and the shape adaptation of the core stamping of the rotor, and be the disk equipped with central shaft hole
Shape, the periphery of damping sheet are equipped with four notches, a pole segment are formed between each two notch, in each pole segment in uniform way
Nine and nine one-to-one damping holes of amortisseur bar on each rotor magnetic pole are opened up at nearly outer rim, wherein, it is opened in each
The diameter of two damping holes on the pole-piece tip of pole segment is than on two pole shoe tips of each rotor magnetic pole
The big 0.5mm of diameter of two amortisseur bars, the diameter ratio for seven damping holes being opened in the pole body section of each pole segment are installed on
The big 0.5mm of diameter of seven amortisseur bars on the pole body of each rotor magnetic pole；The pitch of nine damping holes in each pole segment
Angle is 6 °；
After all amortisseur bars penetrate the damping slot on the rotor magnetic pole, the damping hole one on two pieces of damping sheets is a pair of
It is sleeved on the both ends of all amortisseur bars with answering, then two pieces of damping sheets is connected as a single entity with all amortisseur bars by welding, is formed
Squirrel-cage Damper Winding.
The Damper Winding of above-mentioned salient pole type single-phase generator, wherein, the thickness of the damping sheet is 3mm.
The Damper Winding of above-mentioned salient pole type single-phase generator, wherein, on the stator slot and rotor magnetic pole of the generator
Damping slot pitch ratio be 5:4.
The Damper Winding of the salient pole type single-phase generator of the utility model has the characteristics that：
1) damping slot on rotor magnetic pole is set into size slot structure, i.e., before rotor iron core lamination structural strength is ensured
Put, the damping slot of different-diameter is arranged on the pole shoe surface close to magnetic pole, and the damper rod of different-diameter, energy is respectively configured
Increase the sectional area of every amortisseur bar to greatest extent；
2) pitch ratio of stator slot and the damping slot on rotor magnetic pole presses 5:4 Proportionality designs so that each magnetic pole of rotor
On amortisseur bar distribution bar number it is maximum.
The Damper Winding of the utility model is based on above-mentioned two point, can improve the irregularity of wave form of generator output voltage simultaneously
The negative sequence component of composite magnetic power can be weakened.
Brief description of the drawings
Fig. 1 is the structure diagram of the Damper Winding of the salient pole type single-phase generator of utility model；
Fig. 2 is opening diameter and pitch signal on the damping sheet of the Damper Winding of the salient pole type single-phase generator of utility model
Figure.
Embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Please refer to Fig.1 and Fig. 2, the number of poles for the salient pole type single-phase generator that the Damper Winding of the utility model is applicable in is four
Pole and including stator and rotor；The pitch ratio of stator slot and the damping slot on rotor magnetic pole is 5:4；
The Damper Winding of the utility model includes amortisseur bar and two pieces in the more damping slots being installed on rotor magnetic pole
The damping sheet 1 at rotor core both ends is each installed on, wherein：
The pitch ratio for meeting the damping slot on the stator slot and rotor magnetic pole of generator is 5:4
The quantity of amortisseur bar is 30 six roots of sensation and is red copper cylindrical bars；Nine amortisseur bars are installed on each rotor magnetic pole,
A diameter of Ф 5mm of two dampings 2 on two pole shoe tips of each rotor magnetic pole；Installed in each rotor magnetic
A diameter of Ф 7mm of seven amortisseur bars 3 on the pole body of pole；
The shape adaptation of the shape of damping sheet 1 and the core stamping of rotor, and equipped with central shaft hole and thickness to be 3mm's
Disc, the periphery of damping sheet 1 are equipped with four notches, a pole segment 10, pole segment are formed between each two notch in uniform way
10 are made of pole body section 11 and pole-piece 12, opened up at the nearly outer rim of each pole segment 10 nine with each rotor magnetic pole
Nine one-to-one damping holes of amortisseur bar, wherein, two dampings being opened on 12 tip of pole-piece of each pole segment 10
The diameter in hole 20 is bigger 0.5mm than the diameter of two amortisseur bars 2 on two pole shoe tips of each rotor magnetic pole, is
Ф 5.5mm, the diameter ratio for seven damping holes 30 being opened in the pole body section 11 of each pole segment 10 are installed on each rotor magnetic
The big 0.5mm of diameter of seven amortisseur bars 3 on the pole body of pole, is Ф 7.5mm, nine damping holes in each pole segment 10
Pitch angle be 6 °, to meet the pitch ratio of the damping slot on stator slot and rotor magnetic pole as 5:4；
After all amortisseur bars 2,3 penetrate the damping slot on rotor magnetic pole, the damping hole 20,30 on two pieces of damping sheets 1
The both ends of all amortisseur bars 2,3 are sleeved on correspondingly, then two pieces of damping sheets 1 and all amortisseur bars 2,3 are made by welding
It is connected as a single entity, forms squirrel-cage Damper Winding.
Above example is only for illustration of the utility model, rather than the limitation to the utility model, related technical field
Technical staff, in the case where not departing from the spirit and scope of the utility model, various conversion or modification can also be made, because
This all equivalent technical solution should also belong to the category of the utility model, should be limited by each claim.
Claims (3)
1. a kind of Damper Winding of salient pole type single-phase generator, the number of poles of the generator for quadrupole and including stator and rotor,
The Damper Winding includes the more amortisseur bars in the damping slot on rotor magnetic pole and two pieces are each installed on rotor iron
The damping sheet at core both ends, it is characterised in that
The quantity of the amortisseur bar is 30 six roots of sensation and is red copper cylindrical bars, and nine amortisseur bars are installed on each rotor magnetic pole,
Wherein, the diameter of two amortisseur bars on two pole shoe tips of each rotor magnetic pole, which is less than, is installed on each rotor magnetic
The diameter of seven amortisseur bars on the pole body of pole；
The shape of the damping sheet and the shape adaptation of the core stamping of the rotor, and be the disc equipped with central shaft hole,
The periphery of damping sheet is equipped with four notches in uniform way, a pole segment is formed between each two notch, in the near of each pole segment
Nine and nine one-to-one damping holes of amortisseur bar on each rotor magnetic pole are opened up at outer rim, wherein, it is opened in each magnetic
The diameter of two damping holes on the pole-piece tip of pole section is than two on two pole shoe tips of each rotor magnetic pole
The big 0.5mm of diameter of root amortisseur bar, the diameter ratio for seven damping holes being opened in the pole body section of each pole segment is installed in every
Seven big 0.5mm of diameter on the pole body of a rotor magnetic pole；The pitch angle of nine damping holes in each pole segment is 6 °；
After all amortisseur bars penetrate the damping slot on the rotor magnetic pole, the damping hole on two pieces of damping sheets is correspondingly
The both ends of all amortisseur bars are sleeved on, then two pieces of damping sheets is connected as a single entity with all amortisseur bars by welding, form mouse cage
Formula Damper Winding.
2. the Damper Winding of salient pole type single-phase generator according to claim 1, it is characterised in that the thickness of the damping sheet
Spend for 3mm.
3. the Damper Winding of salient pole type single-phase generator according to claim 1, it is characterised in that the generator is determined
The pitch ratio of pilot trench and the damping slot on rotor magnetic pole is 5:4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238708.6U CN207234636U (en) | 2017-09-26 | 2017-09-26 | A kind of Damper Winding of salient pole type single-phase generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238708.6U CN207234636U (en) | 2017-09-26 | 2017-09-26 | A kind of Damper Winding of salient pole type single-phase generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234636U true CN207234636U (en) | 2018-04-13 |
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ID=61864186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721238708.6U Active CN207234636U (en) | 2017-09-26 | 2017-09-26 | A kind of Damper Winding of salient pole type single-phase generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900114A (en) * | 2018-08-31 | 2018-11-27 | 宁波诺丁汉大学 | A kind of generator |
| CN111835113A (en) * | 2020-07-07 | 2020-10-27 | 山东齐鲁电机制造有限公司 | Heavy gas turbine generator rotor coil structure suitable for variable frequency starting |
| CN112865376A (en) * | 2021-01-08 | 2021-05-28 | 宁波诺丁汉大学 | Integrated damping winding, rotor and motor |
-
2017
- 2017-09-26 CN CN201721238708.6U patent/CN207234636U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900114A (en) * | 2018-08-31 | 2018-11-27 | 宁波诺丁汉大学 | A kind of generator |
| CN111835113A (en) * | 2020-07-07 | 2020-10-27 | 山东齐鲁电机制造有限公司 | Heavy gas turbine generator rotor coil structure suitable for variable frequency starting |
| CN112865376A (en) * | 2021-01-08 | 2021-05-28 | 宁波诺丁汉大学 | Integrated damping winding, rotor and motor |
| CN112865376B (en) * | 2021-01-08 | 2022-04-12 | 宁波诺丁汉大学 | Integrated damping winding, rotor and motor |
| EP4027492A1 (en) | 2021-01-08 | 2022-07-13 | University of Nottingham Ningbo China | Integral damping winding, rotor and motor |
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