CN208939683U - A kind of three-phase abnormity hybrid permanent magnet synchronous motor - Google Patents
A kind of three-phase abnormity hybrid permanent magnet synchronous motor Download PDFInfo
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- CN208939683U CN208939683U CN201821835461.0U CN201821835461U CN208939683U CN 208939683 U CN208939683 U CN 208939683U CN 201821835461 U CN201821835461 U CN 201821835461U CN 208939683 U CN208939683 U CN 208939683U
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Abstract
The utility model discloses a kind of three-phase abnormity hybrid permanent magnet synchronous motors, it is made of the sub-motor that several are individually controlled, the stator of motor is divided into the stator partition of several identical angles by sub-motor quantity, the stator of each sub-motor corresponds to a stator partition, several sub-motors share a rotor；Several stator partitions are set as identical or different stator structure according to the identical or different of corresponding sub-motor rated operation point.The motor is to each sub-motor using identical or different control strategy combination.The utility model is by pressing required sub-motor uniform amount subregion for the stator of motor, each subregion is set to correspond to a sub-motor, identical or different sub-motor control strategy is taken to combine according to actual condition, it is common to complete motor drive, reach whole control strategy optimization and current control optimization, meets the requirements such as the wide range of operation of the drive motor, wide efficient operation region, high reliability, good error resilience performance.
Description
Technical field
The utility model relates to motor technology fields, synchronize more particularly to a kind of three-phase abnormity hybrid permanent magnet electronic
Machine.
Background technique
Three-phase permanent-magnetic synchronous motors are small in size, high-efficient, power factor is big, overload magnification is big, the response time is fast, as
A kind of efficient new energy driving motor, has been widely used for industrial power drive system.
Wind energy is as a kind of clean energy resource, it has also become one of most potential energy in the world today.And pitch control
System, yaw control system are the important components of wind power generating set, directly affect the safe operation of Wind turbines.Pitch control
The driving motor of system, yaw control system gradually develops to selection via the direct current generator of beginning, AC induction motor
Three-phase permanent-magnetic synchronous motors.The permanent magnet motor of variable pitch yaw system is big when needing low speed because fan operation operating condition is complicated
Torque, high speed Shi Youkuan speed adjustable range, while requiring high efficiency and big overload magnification.The driving motor of variable pitch yaw system
When winding failure occurs, blower variable pitch cannot yaw in time, can seriously affect the safe operation of unit, thus blower be caused to stop
A series of problems, such as machine, personnel safety hidden danger, loss of generator amount.
Motor it is fault-tolerant refer to electric system in the event of a failure and can still keep working performance as normal condition or
Person is suitable, also, in case of a fault, and motor has the function of error protection and inhibits, and prevents failure from deteriorating, causes great quality
Problem.Therefore, the promotion of motor fault-tolerant rate, and the target needed to improve in the prior art.
It can be seen that existing three-phase permanent-magnetic synchronous motors are not well positioned to meet Wind turbines variable pitch yaw motor still
Specific demand, it would be highly desirable to be further improved, it is same that the utility model seeks to found a kind of new three-phase abnormity hybrid permanent magnet
Motor is walked, high-performance, high reliability, and the advantage with good error resilience performance are made it have, becoming current industry pole needs
Improved target.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of abnormity mixing three-phase permanent-magnetic synchronous motors, make its tool
There are high-performance, high reliability, and the advantage with good error resilience performance, in electrical fault, motor itself has failure guarantor
Shield and inhibition function, prevent the generation of great quality problems.
In order to solve the above technical problems, the utility model provides a kind of three-phase abnormity hybrid permanent magnet synchronous motor, it is described
Motor is made of the sub-motor that several are individually controlled, and the stator of the motor is divided into several by the quantity of the sub-motor
The stator partition of a identical angle, the stator of each sub-motor correspond to a stator partition, in several described stator partitions
Stator structure include at least two different stator structures, several described sub-motors share a rotor；
Several stator partitions are identical or different according to corresponding sub-motor rated operation point, are set as identical or not
Same stator structure.
As a kind of improvement of the utility model, the stator structure in several described stator partitions includes at least two kinds not
Same stator structure.
It is further improved, the motor is to each sub-motor using identical or different control strategy combination.
It is further improved, the stator slot slot number of the motor stator is equal to number of motor phases and the stator partition number
Multiplier, the rotor number of poles of the motor are equal to 8 multiple.
It is further improved, the motor is arranged using 36 slot, 8 pole.
It is further improved, the motor includes two pairs of identical sub-motors two-by-two, the son electricity identical two-by-two
The corresponding stator structure of machine is identical.
It is further improved, the stator slot on the motor stator is arranged using flume structure.
It is further improved, the rotor uses built-in type permanent-magnet rotor structure.
It is further improved, every grade of permanent magnet piecemeal setting of the rotor.
By adopting such a design, the utility model at least has the following advantages:
The utility model three-phase abnormity hybrid permanent magnet synchronous motor is by pressing required sub-motor for the stator of motor
Uniform amount subregion makes each subregion correspond to a sub-motor, then the hybrid motor is by individually controlling each sub-motor
Work take identical or different sub-motor control strategy to cooperate jointly and complete motor and drive according to actual condition demand
It is dynamic, it is finally reached whole control strategy optimization and the current control optimization of the motor, meets the wide operation of the drive motor
Range, wide efficient operation region, high reliability, the requirement of good error resilience performance.
The utility model three-phase abnormity hybrid permanent magnet synchronous motor can be widely applied to require high-performance, wide operation model
It encloses, wide efficient operating regime, high reliability, the power drive system with error resilience performance demand, is particularly suitable for wind-driven generator
The variable pitch yaw power drive system of group and the power drive system of New-energy electric vehicle.
Detailed description of the invention
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand the technology hand of the utility model
Section, below in conjunction with attached drawing, the utility model is described in further detail with specific embodiment.
Fig. 1 is the stator laminating structure schematic diagram of the utility model three-phase abnormity hybrid permanent magnet synchronous motor；
Fig. 2 is the built-in type permanent-magnet rotor structure schematic diagram of the utility model three-phase abnormity hybrid permanent magnet synchronous motor；
Fig. 3 is the structural schematic diagram of the utility model three-phase abnormity hybrid permanent magnet synchronous motor.
Specific embodiment
The present embodiment by the three-phase abnormity hybrid permanent magnet synchronous motor for Wind turbines variable pitch yaw motor for,
This application three-phase abnormity hybrid permanent magnet synchronous motor structure and working principle are specifically described, are not construed as being used for
Limit the application.
According to the different operating conditions of Wind turbines variable pitch yaw motor, two rated operation points can be selected, such as specified work
Make the permanent torque area that point I is the corresponding slow-speed of revolution, rated operation point II is corresponding high-revolving invariable power high efficient district.
In order to be suitable for two rated operation points, the present embodiment three-phase abnormity hybrid permanent magnet synchronous motor is by two seeds
Motor form.Every kind of sub-motor is adapted to a rated operation point, and stator structure and winding parameter setting are able to satisfy the correspondence
The actual working characteristics demand of rated operation point, then the abnormity hybrid permanent magnet synchronous motor can be taken in different rated operation points
Different control strategies, has broader range of operation, higher operational efficiency, and ripple torque coefficient can also obtain by a relatively large margin
Ground reduces.If also, thering is certain sub-motor to break down, remaining sub-motor can be carried out a degree of compensated torque, have good
Good error resilience performance.
Specifically as shown in attached drawing 1 to 3, which presses four sub- design of electrical motor of three-phase,
Using 36 slot, 8 pole structure.Wherein sub-motor 1 and sub-motor 3 are identical, design by rated operation point I, the stator slot on stator 10
11 is identical as stator slot 31 and stator winding 12 is identical as stator winding 32, belongs to a kind of sub-motor type；Sub-motor 2 and son
Motor 4 is identical, designs by rated operation point II, the stator slot 21 of stator 10 is identical with stator slot 41 and stator winding 22 with calmly
Sub- winding 42 is identical and not identical as the stator structure of sub-motor 1 and 3, belongs to another sub-motor type.Above-mentioned sub-motor 1,
Sub-motor 2, sub-motor 3, sub-motor 4 share a rotor 20, and the stator 10 collectively constituted uses circular ring structure, the circular ring shape
Stator is identical as the void dimension of rotor 20.
Be further improved, each stator slot on the motor stator 10 is all made of flume structure setting, can play weakening by
The effect of additional torque caused by slot ripples and noise, it is further to reduce motor torque fluctuation.Built in the rotor 20 uses
Formula permanent magnet rotor structure, and 30 piecemeal of the every grade of permanent magnet setting of the rotor 20.
According to above-mentioned electric motor structure, the permanent magnet flux linkage of two kinds of sub-motors is different, armature resistance inductance is different, to reduce
Torque ripple improves electric efficiency, uses identical or different control strategy to 4 sub-motors under respective load, single respectively
Solely control, with formed optimal control policy and optimal current combination, meet the work requirements of above two rated operation point, then compared with
Wind turbines are met well to the high performance requirement of variable pitch yaw motor, meanwhile, hybrid motor has good fault-tolerance
Can, meet the demand of the highly reliable operation of Wind turbines.
Also by the design of the abnormity hybrid motor, in same rated operation point I, which than is adopted merely
There is higher operational efficiency and smaller torque wave with existing motor identical with 1 stator structure of sub-motor and rotor structure
It is dynamic；In same rated operation point II, the operational efficiency of the hybrid motor and it is simple using with 2 stator structure of sub-motor and turn
The identical existing motor of minor structure is suitable, but torque ripple is greatly reduced.
To sum up, the application three-phase abnormity hybrid permanent magnet synchronous motor combines the advantage of existing two or more motor,
With broader range of operation, higher operational efficiency, ripple torque coefficient greatly reduces.Meanwhile the hybrid electrically
Machine individually controls each sub-motor using the sub-motor constituted mode that matches two-by-two, control system, if having some sub-motor or
Certain sub-motor failures, remaining sub-motor carry out a degree of compensated torque, have good error resilience performance.
The three-phase abnormity hybrid permanent magnet synchronous motor of above structure is but also widely used for having other pole slot number cooperations
Permasyn morot, outer rotor permanent magnet motor or tray type structure permasyn morot etc..
Equally, the abnormity hybrid permanent magnet synchronous motor be also applicable to high-performance, high efficiency, wide range of operation,
The electric automobile driving motor field of high reliability.
Should finally illustrate: the above descriptions are merely preferred embodiments of the present invention, is not limited to practical
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (9)
1. a kind of three-phase abnormity hybrid permanent magnet synchronous motor, which is characterized in that the motor was individually controlled by several
Sub-motor composition, the stator of the motor are divided into the stator partition of several identical angles by the quantity of the sub-motor, often
The stator of a sub-motor corresponds to a stator partition, several described sub-motors share a rotor；
Several stator partitions are identical or different according to corresponding sub-motor rated operation point, are set as identical or different
Stator structure.
2. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 1, which is characterized in that several described stators
Stator structure in subregion includes at least two different stator structures.
3. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 1, which is characterized in that the motor is to every
A sub-motor is using identical or different control strategy combination.
4. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 1, which is characterized in that the motor stator
Stator slot slot number be equal to the multiplier of number of motor phases and the stator partition number, the rotor number of poles of the motor is equal to
8 multiple.
5. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 4, which is characterized in that the motor uses
The setting of 36 slot, 8 pole.
6. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 5, which is characterized in that the motor includes
Two pairs of identical sub-motors two-by-two, the corresponding stator structure of the identical two-by-two sub-motor are identical.
7. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 6, which is characterized in that the motor stator
On stator slot using flume structure be arranged.
8. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 6, which is characterized in that in the rotor uses
Set formula permanent magnet rotor structure.
9. three-phase abnormity hybrid permanent magnet synchronous motor according to claim 8, which is characterized in that every grade of the rotor
The setting of permanent magnet piecemeal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835461.0U CN208939683U (en) | 2018-11-08 | 2018-11-08 | A kind of three-phase abnormity hybrid permanent magnet synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835461.0U CN208939683U (en) | 2018-11-08 | 2018-11-08 | A kind of three-phase abnormity hybrid permanent magnet synchronous motor |
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| CN208939683U true CN208939683U (en) | 2019-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167445A (en) * | 2018-11-08 | 2019-01-08 | 北京英孚莱特动力技术有限公司 | A kind of three-phase abnormity hybrid permanent magnet synchronous motor |
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2018
- 2018-11-08 CN CN201821835461.0U patent/CN208939683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167445A (en) * | 2018-11-08 | 2019-01-08 | 北京英孚莱特动力技术有限公司 | A kind of three-phase abnormity hybrid permanent magnet synchronous motor |
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