CN103051127B - Double-stator permanent magnetic direct drive generator and assembly method thereof - Google Patents
Double-stator permanent magnetic direct drive generator and assembly method thereof Download PDFInfo
- Publication number
- CN103051127B CN103051127B CN201310022633.8A CN201310022633A CN103051127B CN 103051127 B CN103051127 B CN 103051127B CN 201310022633 A CN201310022633 A CN 201310022633A CN 103051127 B CN103051127 B CN 103051127B
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- generator
- guide rod
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a double-stator permanent magnetic direct drive generator and an assembly method thereof. The generator comprises a front bearing assembly, a rotor, an inner stator fitting, an outer stator fitting and a rear bearing assembly. The assembly method comprises the following steps of: inserting a guide rod into a top end mounting hole in a rear support of the rotor, and introducing and fixedly connecting the rotor; inserting a guide rod into a middle mounting hole of the rear support of the rotor, and mounting the inner stator fitting; inserting a guide rod into a mounting hole in a generator casing, passing the guide rod through a mounting hole in a rear flange, and mounting the outer stator fitting; mounting the front bearing assembly, and fixedly connecting a turntable of the rotor with the front end of the rotor; and fixedly connecting one end of a front flange with the front end of the generator casing, and fixedly connecting the other end of the front flange with the front bearing assembly. The fan-driven generator provided by the invention is high in output power of unit volume, and the assembly process difficulty and the cost of the large generator are reduced.
Description
Technical field
The present invention relates to permanent magnet direct-drive electrical generator fields, particularly relate to a kind of double-stator permanent magnet and directly drive generator and assembly method thereof.
Background technology
The theme that has constantly escalated into present domestic Wind Power Generation Industry of wind power technology, is mainly manifested in the increase of single-machine capacity, the aspects such as the wind turbine generator of new technology, raising wind energy utilization are more paid attention to the fail safe of unit and the reliability of system simultaneously and controlled.Country supports the exploitation of wind energy on the sea energetically, and development marine wind electric field, development is suitable for marine Large-scale Wind Turbines will become focus technology.
At present, the unit that inland wind energy turbine set is installed mainly contains double-fed type unit and permanent magnet direct-driving aerogenerator group, because the rated speed of double-fed wind generator is higher, need special-purpose wind turbine gearbox, and because the environment of unit operation is very severe, the problem that gear box damages has become the fatal shortcoming of double-fed type unit.Some domestic producers adopt permanent magnetism direct drive wind group of motors to replace double-fed type unit, the driving-chains such as heavy main shaft, bearing pedestal, gear box and shaft coupling have been saved, avoid plant equipment beat and vibrate because of what decentraction produced, improved unit conversion efficiency, improved the reliability of wind-powered electricity generation unit.
But existing permanent magnet direct-drive generator, also has some shortcomings in but finding its structure, thereby fail to reach best result of use when reality is used, and its shortcoming can be summarized as follows:
1, the power when permanent magnet direct-driving aerogenerator reaches several megawatt hours, and it is quite huge that its volume becomes, and to transportation, brings great difficulty.
2, the power output of wind-driven generator unit volume is little, and the assembly technology difficulty of high-rating generator is large, cost is high.
As can be seen here, above-mentioned existing permanent magnet direct-drive generator and assembly method thereof, in structure, assembling and use, obviously still have inconvenience and defect, and are urgently further improved.The power output of how to found a kind of unit volume is large, motor volume and weight is little and cost is low new permanent magnet direct-drive generator and assembly method thereof, and becoming the current industry utmost point needs improved target.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of double-stator permanent magnet and directly drives generator and assembly method thereof, make the power output of its unit volume large, motor volume and weight little, thereby overcome the deficiency that existing high-rating generator volume is large, assembly technology difficulty is large.
For solving the problems of the technologies described above, the invention provides a kind of double-stator permanent magnet and directly drive generator, comprise fore bearing assembly, rotor, internal stator assembling, external stator assembling and rear bearing assembly, described fore bearing assembly comprises main shaft, fore bearing and rotor rotating disk; Described internal stator assembling comprises internal stator support and internal stator; Described external stator assembles and comprises generator casing and be arranged on the external stator in generator casing, and generator casing is provided with installing hole; The rear bearing that described rear bearing assembly comprises rear flange, be fixedly connected with rear flange supports, is arranged on the rear bearing that rear bearing supports and is arranged on the rotor rear support on rear bearing, and excircle and the middle part of rear flange excircle and rotor rear support are equipped with the installing hole along circumference; Described rotor front end is fixedly connected with rotor rotating disk, and rear end is fixedly connected with rotor rear support; The rear side of described internal stator support supports and is fixedly connected with rear bearing; Described generator casing front end is connected with fore bearing assembly by forward flange, and rear end is fixedly connected with rear flange.
As a modification of the present invention, the present invention also can realize by following scheme:
Double-stator permanent magnet directly drives a generator, and wherein, described rear bearing is rolling bearing.
Double-stator permanent magnet directly drives a generator, and wherein, described fore bearing is double-row conical bearing.
Double-stator permanent magnet directly drives a generator, and wherein, described forward and backward bearing is all furnished with lubricating utensil.
Double-stator permanent magnet directly drives a generator, and wherein, described internal stator support is a horizontal stand and two cup type structures that vertical support frame forms.
Double-stator permanent magnet directly drives a generator, and wherein, described rear bearing supports and comprises an anchor ring and the face of cylinder vertical with this anchor ring, and its anchor ring is fixedly connected with rear flange, and rear bearing is arranged on the face of cylinder of rear bearing support.
Double-stator permanent magnet directly drives a generator, and wherein, brake appts and locked rotor equipment are equipped with in described internal stator support inner side.
Double-stator permanent magnet directly drives a generator, wherein, on described rear bearing support and rear flange, is equipped with lightening hole.
In addition, the assembly method that the present invention also provides a kind of double-stator permanent magnet directly to drive generator, makes that its assembly technology is simple, cost is low, thereby overcomes the deficiency that existing high-rating generator volume is large, assembly technology difficulty is large.
For solving the problems of the technologies described above, the invention provides the assembly method that a kind of above-mentioned double-stator permanent magnet directly drives generator, comprise the following steps:
A, first rear bearing assembly, rotor, internal stator assembling, external stator assembling, fore bearing assembly are assembled respectively;
B, in the excircle installing hole of the top of rotor rear support, insert rotor guide rod is installed, rotor is installed to guide rod along rotor and import, and be fixedly connected with rotor rear support;
C, in the installing hole of the middle part of rotor rear support, insert internal stator guide rod is installed, internal stator assembling is installed to guide rod along internal stator to be packed into, between internal stator and rotor, insert air gap every magnetic frock, after installing, internal stator support is supported and is fixedly connected with rear bearing, the internal stator of dismantling is installed guide rod;
D, in the installing hole of generator casing, insert external stator guide rod is installed, and this external stator is installed to guide rod through the installing hole of rear flange, external stator assembling is installed to guide rod along external stator to be packed into, and between external stator and rotor, insert air gap every magnetic frock, after assembling, the rear end of generator casing is fixedly connected with rear flange;
E, pack fore bearing assembly into, in loading procedure, take out air gap between internal stator and rotor every magnetic frock, after being seated, rotor rotating disk is fixedly connected with rotor front end;
F, one end of forward flange is fixedly connected with the front end of generator casing, the other end is fixedly connected with fore bearing assembly.
As further improvement, the present invention also can realize by the following method:
Double-stator permanent magnet directly drives an assembly method for generator, wherein, in described step C, before packing internal stator into, first at rotor front end, roller is installed, and after described step D completes, is removed this roller.
Adopt after such design, the present invention at least has the following advantages:
1, wind-driven generator the increase of output power is to number megawatt hour, small volume, convenient transportation.
2, the power output of wind-driven generator unit volume is large, and the assembly technology difficulty of high-rating generator reduces, cost lowers.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is the structural representation that a kind of double-stator permanent magnet of the present invention directly drives generator.
Fig. 2 is the internal stator assembly structure schematic diagram that a kind of double-stator permanent magnet of the present invention directly drives generator.
Fig. 3 is the rear bearing modular construction schematic diagram that a kind of double-stator permanent magnet of the present invention directly drives generator.
Fig. 4 is the view that the present invention installs internal stator assembling.
Fig. 5 is the view that the present invention installs external stator assembling.
Fig. 6 is the view that the present invention installs fore bearing assembly.
Embodiment
The technical problem to be solved in the present invention is to provide a kind of double-stator permanent magnet direct-driven wind power generator and assembly technique thereof that can significantly reduce MW class and above permanent magnet direct-driving aerogenerator summation watt rating ratio and cost.
Refer to shown in Fig. 1, double-stator permanent magnet of the present invention directly drives generator, comprises fore bearing assembly, rotor 2, internal stator assembling 3, external stator assembling, rear bearing assembly and connecting bolt.
Wherein, fore bearing assembly comprises the main shaft 51 being bolted to connection with wheel hub 101, is sleeved on the fore bearing 52 on main shaft 51, and the rotor rotating disk 55 being fastenedly connected by hexagon-headed bolt 56 and main shaft 51.Wherein, fore bearing 52 is preferably double-row conical bearing, can be provided with fore bearing rear end cap 53 and fore bearing black box 54, and be furnished with lubricating utensil.
Shown in Fig. 2, internal stator assembling 3 comprises internal stator support 32 and internal stator 31.Internal stator support 32 can adopt a horizontal stand and two cup type structures that vertical support frame forms as shown in the figure, and brake appts 95 and locked rotor equipment 34 are housed in the inner side of internal stator support 32, locked rotor equipment 34 combines 35 with internal stator support 32 by hexagon-headed bolt and is connected.Internal stator 31 is arranged on internal stator support 32 by its iron core, and is equipped with cooling water pipe 33, is connected to internal stator external connection 36.
External stator assembling comprises generator casing 42, is arranged on external stator 41 and external cable 43 thereof in generator casing 42, and on generator casing, is provided with installing hole.
The rear bearing that rear bearing assembly comprises rear flange 11, be fixedly connected with rear flange 11 supports 16, be arranged on rear bearing supports the rear bearing 17 on 16 and is arranged on the rotor rear support 19 on rear bearing 17.Wherein, the excircle of the excircle of rear flange 11 and rotor rear support 19 and middle part are equipped with the installing hole along circumference.Rear bearing 17 can adopt rolling bearing, and can be furnished with lubricating utensil.
Rear bearing supports 16 can comprise an anchor ring and the face of cylinder vertical with this anchor ring as shown in the figure, its anchor ring one side is connected by hinged bolts 12 with rear flange 11, and be pressed with axle sleeve 15 on the face of cylinder of rear bearing support 16, axle sleeve 15 is connected with rear bearing black box 14, and the other end of rear bearing black box 14 is connected with rotor rear support 19 by hexagon-headed bolt 13.Rear bearing 17 is arranged on the face of cylinder of rear bearing support 16, and locks by locking nut 18.In addition, also can rear bearing support 16 and rear flange 11 on lightening hole is set.
The front end of rotor 2 is fixedly connected with rotor rotating disk 55, and rear end is fixedly connected with rotor rear support 19; The rear side of described internal stator support supports and is fixedly connected with rear bearing; Generator casing 42 front ends are connected with fore bearing assembly by forward flange 91, and rear end is fixedly connected with rear flange 11.
Due to the version more complicated of this structure, assemble more difficultly, therefore, during installation, first the each several part assembly of this structure is assembled step by step and carries out general assembly again.The first step to the five steps are pre-assembled flow process, the 6th step and later for general assembly flow process.
The first step, rear bearing assembly pre-assembled, shown in Figure 3, is first press fit into axle sleeve 15 rear bearing and supports on 16, and right-hand member rear bearing black box 14 covers are installed on axle sleeve 15; Again rear bearing 17 heating are installed to rear bearing and support on 16, use 18 pairs of rear bearings 17 of locking nut to lock; Moreover, rear flange 11 and rear bearing are supported to 16 and install, use hinged bolts 12 to connect; Left end rear bearing black box 14 is installed in rotor rear support 19, by hexagon-headed bolt 13, connects, then, by these parts and rear bearing 17 assemblings, use hexagon-headed bolt 13 that right-hand member rear bearing black box 14 is connected with rotor rear support 19.
Second step, rotor pre-assembled, assembles the accessories such as magnet steel and rotor pressure ring to form rotor 2.
The 3rd step, internal stator assembling 3 pre-assembled, shown in Fig. 2.First, on internal stator support 32, carry out the assembling of inner-stator iron core, and after the work such as lamination and compression complete, carry out rule and form internal stator 31, connect again internal stator external connection 36, then pack cooling water pipe 33 into internal stator 31, and carry out corresponding welding sequence, and finally pack locked rotor equipment 34 into internal stator support 32, use hexagon-headed bolt combination 35 fixing.
The 4th step, it is pre-assembled that external stator assembles.On generator casing 42, carry out the assembling of external stator core, and after the work such as lamination and compression complete, carry out rule formation external stator 41, on external stator 41, connect external cable 43, form external stator assembling.
The 5th step, fore bearing assembly pre-assembled.First, by fore bearing black box 54 and 53 assemblings of fore bearing rear end cap, form fore bearing rear end cap assembly; Secondly, fore bearing 52 heating are assembled on main shaft 51, then the fore bearing rear end cap assembly assembling is temporarily positioned on fore bearing 52; Finally, before fore bearing 52 is cooling, rotor rotating disk 55 and main shaft 51 is assembled, and use hexagon-headed bolt 56 to carry out moment compression.
The 6th step, the assembling of rear bearing assembly and rotor 2.In the excircle installing hole of rotor rear support 19, by being threaded into rotor, guide rod is installed, rotor is installed to the rational position that guide rod imports to rear bearing assembly along rotor, use bolt 61 to connect.
The 7th step, the assembly having assembled in internal stator assembling 3 and previous step assembles, shown in Fig. 4.First internal stator is installed on the middle part installing hole that guide rod 62 is installed to the rotor rear support 19 in rear bearing assembly, again roller 63 is installed to the front end of rotor 2, now internal stator assembling 3 is installed to guide rod along internal stator and slowly pack into, roller 63 can guarantee the air gap between internal stator assembling 3 and rotor 2.When roller is about to depart from internal stator 31, use several air gaps to insert equably the air gap between internal stator 31 and rotor 2 every magnetic frock 64, to guarantee that roller 63 disengaging internal stators assemble 3 rear air gap values and guarantee constant.Internal stator assembling 3 is used hinged bolts 65 to be connected after working good completely with rear bearing support 16, and the internal stator of finally dismantling is installed guide rod 62.Roller 63 and air gap wouldn't be removed every magnetic frock 64, wait subsequent step to complete after permission process again when removing.
The 8th step, assembles external stator assembling and the load module that previous step completes, shown in Fig. 5.First several external stators being installed to guide rod 71 is installed in the installing hole of outer generator casing 42 equably, make external stator guide rod 71 is installed through in the installing hole of rear flange 11, external stator assembling is installed the gently mating surface of close rear flange 11 of guide rod 71 along external stator, when roller 63 is about to depart from external stator 41, use several air gaps to insert equably the air gap between external stator 41 and rotor 2 every magnetic frock 64, to guarantee that roller 63 departs from the rear air gap value of external stator assembling and guarantees constant; By the time external stator assembling is used soket head cap screw 72 to be connected after working good completely with rear flange 11, and the external stator of finally dismantling is installed guide rod 71 and roller 63.Air gap is still used every magnetic frock 64, wait subsequent step to complete after permission process again when removing.
The 9th step, the load module that fore bearing assembly and previous step are completed is assembled, shown in Fig. 6, conventionally at appurtenances, for example on the mounting panel of brake appts, be provided with frock hole, first fore bearing being installed to guide rod 81 is arranged in this frock hole, then the installing hole of fore bearing assembly rotor rotating disk 55 is inserted in to fore bearing guide rod 81 is installed, and along fore bearing, guide rod is installed and is slowly installed, when rotor rotating disk 55 and rotor 2 have sufficient space, air gap between the assembling 3 of taking-up internal stator and rotor 2 is every magnetic frock 64, continuation packs fore bearing assembly into, until contact with rotor 2 mating surfaces, then use bolt 82 that both are connected.Air gap between external stator 41 and rotor 2 wouldn't be removed every magnetic frock 64, waits when forward flange 91 is installed and removes.
The tenth step, the assembling of forward flange 91 installations and all the other parts.First, fore bearing black box 54 is arranged on forward flange 91, then, forward flange 91 is installed to guide rod 71 by external stator and assemble with the load module that previous step completes, Deng forward flange 91, contact the rear hexagon-headed bolt 92 of installing urgent moment with the installed surface of generator casing 42; Now also bearing bolt 98 is installed, and urgent corresponding moment.Again brake appts 95 is installed, and used from strap bolt connection urgent moment.Again connect all cooling water pipes 33, terminal box 96 is welded on to the correct position of rear flange, and carry out the wiring work of each utmost point, seal cover assembly 97 is finally installed.
The various guide rod frocks of using in this process, if can reuse as much as possible.
In the 3rd step, the installation of locked rotor equipment 34 can be adjusted to the tenth step according to complexity.
While needing overall test, lubricating utensil 94 and slip ring equipment 93 can be installed on wheel hub 101.
As need whole machine installation frame 102, hexagon-headed bolt 103 need to be installed.
The direction as shown of this assembling stream can be rotated adjustment according to actual needs, and all diagrams are all symmetrical about center line.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (2)
1. double-stator permanent magnet directly drives an assembly method for generator,
Described double-stator permanent magnet directly drives generator, comprises fore bearing assembly, rotor, internal stator assembling, external stator assembling and rear bearing assembly:
Described fore bearing assembly comprises main shaft, fore bearing and rotor rotating disk,
Described internal stator assembling comprises internal stator support and internal stator,
Described external stator assembles and comprises generator casing and be arranged on the external stator in generator casing, and generator casing is provided with installing hole,
The rear bearing that described rear bearing assembly comprises rear flange, be fixedly connected with rear flange supports, is arranged on the rear bearing that rear bearing supports and is arranged on the rotor rear support on rear bearing, the excircle of rear flange excircle and rotor rear support and middle part are equipped with the installing hole along circumference
Described rotor front end is fixedly connected with rotor rotating disk, and rear end is fixedly connected with rotor rear support,
The rear side of described internal stator support supports and is fixedly connected with rear bearing,
Described generator casing front end is connected with fore bearing assembly by forward flange, and rear end is fixedly connected with rear flange;
It is characterized in that said method comprising the steps of:
A, first rear bearing assembly, rotor, internal stator assembling, external stator assembling, fore bearing assembly are assembled respectively,
B, in the excircle installing hole of the top of rotor rear support, insert rotor guide rod be installed, rotor is installed to guide rod along rotor and import, and be fixedly connected with rotor rear support,
C, in the installing hole of the middle part of rotor rear support, insert internal stator guide rod is installed, internal stator assembling is installed to guide rod along internal stator and pack into, between internal stator and rotor, insert air gap every magnetic frock, after installing, internal stator support is supported and is fixedly connected with rear bearing, the internal stator of dismantling is installed guide rod
D, in the installing hole of generator casing, insert external stator guide rod is installed, and this external stator is installed to guide rod through the installing hole of rear flange, external stator assembling is installed to guide rod along external stator to be packed into, and between external stator and rotor, insert air gap every magnetic frock, after assembling, the rear end of generator casing is fixedly connected with rear flange
E, pack fore bearing assembly into, in loading procedure, take out air gap between internal stator and rotor every magnetic frock, after being seated, rotor rotating disk is fixedly connected with rotor front end,
F, one end of forward flange is fixedly connected with the front end of generator casing, the other end is fixedly connected with fore bearing assembly.
2. the assembly method that a kind of double-stator permanent magnet according to claim 1 directly drives generator, is characterized in that: in described step C, before packing internal stator into, first at rotor front end, roller is installed, and after described step D completes, is removed this roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022633.8A CN103051127B (en) | 2013-01-21 | 2013-01-21 | Double-stator permanent magnetic direct drive generator and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022633.8A CN103051127B (en) | 2013-01-21 | 2013-01-21 | Double-stator permanent magnetic direct drive generator and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103051127A CN103051127A (en) | 2013-04-17 |
| CN103051127B true CN103051127B (en) | 2014-11-12 |
Family
ID=48063665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310022633.8A Active CN103051127B (en) | 2013-01-21 | 2013-01-21 | Double-stator permanent magnetic direct drive generator and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103051127B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296846A (en) * | 2013-07-02 | 2013-09-11 | 国电联合动力技术有限公司 | Large direct-driven wind turbine generator with fixed shaft for supporting |
| CN113809894B (en) * | 2021-09-23 | 2022-07-12 | 河北新四达电机股份有限公司 | Double-stator permanent magnet synchronous motor assembly process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783893A (en) * | 1995-10-20 | 1998-07-21 | Newport News Shipbuilding And Dry Dock Company | Multiple stator, single shaft electric machine |
| CN201680085U (en) * | 2010-03-18 | 2010-12-22 | 金城集团有限公司 | Connecting flange of propeller |
| CN102195423A (en) * | 2011-05-20 | 2011-09-21 | 国电联合动力技术有限公司 | Double-stator permanent magnetic direct-driven generator supported by fixed axles |
| CN102290937A (en) * | 2011-08-05 | 2011-12-21 | 国电联合动力技术有限公司 | Large direct-drive double-stator switched reluctance wind driven generator supported by double bearings |
| CN203039533U (en) * | 2013-01-21 | 2013-07-03 | 国电联合动力技术有限公司 | Double stator permanent magnetism direct drive generator |
-
2013
- 2013-01-21 CN CN201310022633.8A patent/CN103051127B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783893A (en) * | 1995-10-20 | 1998-07-21 | Newport News Shipbuilding And Dry Dock Company | Multiple stator, single shaft electric machine |
| CN201680085U (en) * | 2010-03-18 | 2010-12-22 | 金城集团有限公司 | Connecting flange of propeller |
| CN102195423A (en) * | 2011-05-20 | 2011-09-21 | 国电联合动力技术有限公司 | Double-stator permanent magnetic direct-driven generator supported by fixed axles |
| CN102290937A (en) * | 2011-08-05 | 2011-12-21 | 国电联合动力技术有限公司 | Large direct-drive double-stator switched reluctance wind driven generator supported by double bearings |
| CN203039533U (en) * | 2013-01-21 | 2013-07-03 | 国电联合动力技术有限公司 | Double stator permanent magnetism direct drive generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103051127A (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1756051B (en) | Electrical machine with double-sided lamination stack | |
| US7154191B2 (en) | Electrical machine with double-sided rotor | |
| US7548008B2 (en) | Electrical machine with double-sided lamination stack | |
| CN206149086U (en) | Aerogenerator's actuating system | |
| CN102386694B (en) | Segmented stator assemblies | |
| CN202789331U (en) | Megawatt direct-driven wind generating set | |
| CN102220934A (en) | Wind turbine | |
| CN201786562U (en) | Dual-stator direct drive permanent magnet wind-driven generator | |
| CN102536666B (en) | Large-size direct-drive double wind-driven generator system and installation method thereof | |
| CN103051127B (en) | Double-stator permanent magnetic direct drive generator and assembly method thereof | |
| CN204156697U (en) | A kind of direct-drive permanent magnet wind power generator of bimorph transducer split-type structure | |
| CN203039533U (en) | Double stator permanent magnetism direct drive generator | |
| CN202055980U (en) | Module combine type vertical axle tide-energy direct drive type power generation device | |
| CN201739086U (en) | Megawatt direct-drive low-speed permanent magnet wind driven generator | |
| CN102290934A (en) | Large disc type multi-stator permanent magnet direct-drive wind generating set | |
| CN102769374A (en) | Direct drive type wind turbine generator system | |
| CN102270900A (en) | Megawatt direct drive type low-speed permanent magnet wind-driven generator | |
| CN201972854U (en) | Built-in large double-stator permanent magnet direct-drive wind driven generator | |
| CN201884212U (en) | Large direct-drive dual wind power generator system | |
| CN202103552U (en) | Large-scale disk type multi-stator permanent magnetic direct driving wind generation set | |
| CN215378640U (en) | Floating type semi-direct-drive permanent magnet synchronous generator structure of wind generating set | |
| CN203243181U (en) | Dual-stator permanent magnetism direct-driven wind turbine generator | |
| CN203896103U (en) | Mechanical energy-storage flywheel device | |
| CN102072097A (en) | Built-in large double-stator permanent magnet direct-driven wind power generator | |
| CN103166401A (en) | Traction motor used for motor wheel dumper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |