CN102545462A - Megawatt-level air-water-cooling high speed permanent magnet generator - Google Patents
Megawatt-level air-water-cooling high speed permanent magnet generator Download PDFInfo
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- CN102545462A CN102545462A CN2011103890054A CN201110389005A CN102545462A CN 102545462 A CN102545462 A CN 102545462A CN 2011103890054 A CN2011103890054 A CN 2011103890054A CN 201110389005 A CN201110389005 A CN 201110389005A CN 102545462 A CN102545462 A CN 102545462A
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Abstract
The invention discloses a megawatt-level air-water-cooling high speed permanent magnet generator, which comprises a base, a rotating shaft, a water cooler and an end cover. A stator and the rotating shaft are arranged in the generator base, a rotor is arranged on the rotating shaft, the water cooler is fixed above the base, an overhead fan is arranged at the top of the water cooler, and a water inlet and a water outlet are arranged on the side face of the water cooler. A primary outlet box, an auxiliary outlet box and an automatic lubrication device are arranged on the side face of the base, and the end cover is arranged on the end face of the base. The megawatt-level air-water-cooling high speed permanent magnet generator has the advantages that 1 the rotor adopts a permanent magnet rotor structure, thereby enabling the rotor to have no exciting winding loss, improving generator efficiency, and particularly improving efficiency during low rotation speed; 2 improvement of the generator efficiency enables electric energy production of an unit to be improved; 3 a permanent magnet motor is operated at a low rotation speed, thereby enabling the unit to be capable of plunging at a low wind speed and improving electric energy production of the unit; and 4 the cooler adopts a air-water-cooling mode, thereby being capable of effectively reducing volume and weight of the motor and having better radiating effect.
Description
Technical field:
The invention belongs to electrical generator fields, relate to a kind of permanent magnet synchronous wind generator, especially a kind of high-power air water cooling high-speed permanent magnetic synchronous generator is suitable for having the MW class speed-variable frequency-constant wind-driven generator group of total power frequency converter.
Background technology:
In recent years, wind energy has obtained using widely as clean energy resource, and wherein a kind of mode of effectively utilizing is exactly a wind power generation.The existing used generator of unit comprises: asynchronous generator, double-fed generator, electric excitation synchronous generator, permanent magnet generator.Electric excitation synchronous generator for traditional needs slip ring and carbon brush configuration, has the problem of carbon brush wearing and tearing and carbon brush powder.For in the airtight space of engine room inside, the carbon brush powder exists for miscellaneous part and pollutes.The direct wind-driven generator group though cancelled gear box, makes generator volume and weight increase, and has brought great inconvenience to unit installation and transportation.
There is the problem of slip ring and carbon brush and directly drives the generator volume and installation and transportation problem that weight causes greatly in order to solve double-fed generator, electric excitation synchronous generator, proposed employing high-speed permanent magnetic generator.Its rated speed and double-fed generator, electric excitation synchronous generator are suitable, with respect to the slow-speed of revolution of directly driving generator, therefore are called high-speed engine; But its range of speeds is wide, can make unit starting under low wind speed, has improved the energy output of unit; Because rotor of permanent-magnetic power generator adopts permanent magnet, rotor does not have the excitation winding loss, makes that the efficient of permanent magnet generator is higher than corresponding conventional motors efficient, and particularly odds for effectiveness is more obvious during low speed, thereby has improved the energy output of unit.
Summary of the invention:
MW class air water cooling high-speed permanent magnetic generator of the present invention has solved the problem that double-fed generator, electric excitation synchronous generator exist slip ring and carbon brush; Solved and directly driven the mounting box transportation problem that generator volume and weight cause greatly; A kind of MW class air water cooling high-speed permanent magnetic generator is provided, and this wind-driven generator comprises support, gyroaxis, water cooler and end cap; Said generator pit set inside has stator and gyroaxis, and gyroaxis is provided with rotor; Said support upper fixed has water cooler; Said water cooler top is provided with the overhead blower fan, and the water cooler side is provided with water inlet and delivery port.
Said support side is provided with main outlet box, auxiliary outlet box and automatic lubrication installation, and the support end face is provided with end cap.
Said water cooler is made up of housing and the water pipe that is arranged on enclosure interior; Said water pipe one end is communicated with water inlet, and the other end is communicated with delivery port.
Said rotor is to be made up of stainless steel sleeve, rotor core, permanent magnet, fixed block and set bolt; The cross section of inboard wall of said rotor core is made up of 6 planes for outer wall circular, rotor core, and it is trapezoidal fixed block that the seamed edge that adjacent plane constitutes is provided with cross section; Said fixed block outer surface is provided with the stainless steel sleeve.
Said seamed edge be arranged to fixed block coincide trapezoidal, fixed block is fixed on the rotor core surface through set bolt.
The effect of water cooler is that the heat of generation that generator is inner dissipates through rational wind path, avoids motor internal overheated.Cooling principle of the present invention: cooling water gets into water pipe by water inlet, is flowed out by delivery port in circulation back, the rational path of the inner process of cooler, takes away the inner heat of generator by cooling water; The wind path circulating path that generator is inner is stirred by the overhead blower fan and to make the inner wind of generator circulate, and the heat that motor internal is produced conducts to cooling water via water pipe, by it heat is taken away.Through rational water route and wind path design, make the temperature rise of generator remain in the scope of requirement, have good temperature rise performance.
Characteristics of the present invention: (1) rotor has adopted the PM rotor structure, and making does not have the excitation winding loss on the rotor, has improved the efficient of generator, the efficient when particularly having improved the slow-speed of revolution; (2) raising of generator efficiency makes the energy output of unit improve; (3) magneto is with in the operation of lower rotating speed, thereby makes unit when lower wind speed, can cut, and improves the energy output of unit; (4) cooler has adopted the air water cooling mode, can effectively reduce motor volume and weight, plays better radiating effect.
Description of drawings:
Fig. 1 is a MW class air water cooling high-speed permanent magnetic electric generator structure sketch map of the present invention;
Fig. 2 is a rotor magnetic circuit structural of the present invention tangential sketch map;
Fig. 3 is the structural representation of water cooler of the present invention;
Wherein: 1 is gyroaxis; 2 is support; 3 is automatic lubrication installation; 4 is water cooler; 5 is water inlet; 6 is the overhead blower fan; 7 is delivery port; 8 is main outlet box; 9 are auxiliary outlet box; 10 is end cap; 11 is fixed block; 12 is permanent magnet; 13 are rotor core; 14 is set bolt; 15 is the stainless steel sleeve; 16 is housing; 17 is water pipe.
Embodiment:
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
Referring to Fig. 1,2, a kind of MW class air water cooling high-speed permanent magnetic generator, this wind-driven generator comprises support, gyroaxis, water cooler and end cap; Said generator pit set inside has stator and gyroaxis, and gyroaxis is provided with rotor; Said support upper fixed has water cooler; Said water cooler top is provided with the overhead blower fan, and the water cooler side is provided with water inlet and delivery port.
Said support side is provided with main outlet box, auxiliary outlet box and automatic lubrication installation, and the support end face is provided with end cap.
Said water cooler is made up of housing and the water pipe that is arranged on enclosure interior; Said water pipe one end is communicated with water inlet, and the other end is communicated with delivery port.
Said rotor is to be made up of stainless steel sleeve, rotor core, permanent magnet, fixed block and set bolt; The cross section of inboard wall of said rotor core is made up of 6 planes for outer wall circular, rotor core, and it is trapezoidal fixed block that the seamed edge that adjacent plane constitutes is provided with cross section; Said fixed block outer surface is provided with the stainless steel sleeve.
Said seamed edge be arranged to fixed block coincide trapezoidal, fixed block is fixed on the rotor core surface through set bolt.
The effect of water cooler is that the heat of generation that generator is inner dissipates through rational wind path, avoids motor internal overheated.Cooling principle of the present invention: cooling water gets into water pipe by water inlet, is flowed out by delivery port in circulation back, the rational path of the inner process of cooler, takes away the inner heat of generator by cooling water; The wind path circulating path that generator is inner is stirred by the overhead blower fan and to make the inner wind of generator circulate, and the heat that motor internal is produced conducts to cooling water via water pipe, by it heat is taken away.Through rational water route and wind path design, make the temperature rise of generator remain in the scope of requirement, have good temperature rise performance.
Characteristics of the present invention: (1) rotor has adopted the PM rotor structure, and making does not have the excitation winding loss on the rotor, has improved the efficient of generator, the efficient when particularly having improved the slow-speed of revolution; (2) raising of generator efficiency makes the energy output of unit improve; (3) magneto is with in the operation of lower rotating speed, thereby makes unit when lower wind speed, can cut, and improves the energy output of unit; (4) cooler has adopted the air water cooling mode, can effectively reduce motor volume and weight, plays better radiating effect.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (5)
1. MW class air water cooling high-speed permanent magnetic generator, it is characterized in that: this wind-driven generator comprises support, gyroaxis, water cooler and end cap; Said generator pit set inside has stator and gyroaxis, and gyroaxis is provided with rotor; Said support upper fixed has water cooler; Said water cooler top is provided with the overhead blower fan, and the water cooler side is provided with water inlet and delivery port.
2. MW class air water cooling high-speed permanent magnetic generator according to claim 1, it is characterized in that: said support side is provided with main outlet box, auxiliary outlet box and automatic lubrication installation, and the support end face is provided with end cap.
3. MW class air water cooling high-speed permanent magnetic generator according to claim 1, it is characterized in that: said water cooler is made up of housing and the water pipe that is arranged on enclosure interior; Said water pipe one end is communicated with water inlet, and the other end is communicated with delivery port.
4. MW class air water cooling high-speed permanent magnetic generator according to claim 1, it is characterized in that: said rotor is to be made up of stainless steel sleeve, rotor core, permanent magnet, fixed block and set bolt; The cross section of inboard wall of said rotor core is made up of 6 planes for outer wall circular, rotor core, and it is trapezoidal fixed block that the seamed edge that adjacent plane constitutes is provided with cross section; Said fixed block outer surface is provided with the stainless steel sleeve.
5. like the said MW class air water cooling of claim 4 high-speed permanent magnetic generator, it is characterized in that: said seamed edge be arranged to fixed block coincide trapezoidal, fixed block is fixed on the rotor core surface through set bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103890054A CN102545462A (en) | 2011-11-30 | 2011-11-30 | Megawatt-level air-water-cooling high speed permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103890054A CN102545462A (en) | 2011-11-30 | 2011-11-30 | Megawatt-level air-water-cooling high speed permanent magnet generator |
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| CN102545462A true CN102545462A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103890054A Pending CN102545462A (en) | 2011-11-30 | 2011-11-30 | Megawatt-level air-water-cooling high speed permanent magnet generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242775A (en) * | 2020-11-30 | 2021-01-19 | 卧龙电气南阳防爆集团股份有限公司 | Box type high-speed motor |
| CN112653310A (en) * | 2019-10-10 | 2021-04-13 | 桓仁东瑞水能科技有限公司 | Three-phase permanent magnet synchronous generator for hydroelectric power generation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599665A (en) * | 2009-06-22 | 2009-12-09 | 哈尔滨理工大学 | A kind of rotor of permanent-magnetic wind driven generator |
| CN102005839A (en) * | 2010-11-30 | 2011-04-06 | 东方电气集团东方电机有限公司 | Megawatt-grade permanent magnet generator |
| CN201869027U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Ventilation structure of novel megawatt permanent magnet wind driven generator |
| CN201869024U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Ventilation structure of permanent magnet generator |
| CN201887578U (en) * | 2010-11-30 | 2011-06-29 | 东方电气集团东方电机有限公司 | Semi-direct drive megawatt permanent magnetic wind power generator |
| CN201975879U (en) * | 2010-12-29 | 2011-09-14 | 青岛敏深风电科技有限公司 | Efficient unobstructed permanent magnet wind generator |
-
2011
- 2011-11-30 CN CN2011103890054A patent/CN102545462A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599665A (en) * | 2009-06-22 | 2009-12-09 | 哈尔滨理工大学 | A kind of rotor of permanent-magnetic wind driven generator |
| CN102005839A (en) * | 2010-11-30 | 2011-04-06 | 东方电气集团东方电机有限公司 | Megawatt-grade permanent magnet generator |
| CN201869027U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Ventilation structure of novel megawatt permanent magnet wind driven generator |
| CN201869024U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Ventilation structure of permanent magnet generator |
| CN201887578U (en) * | 2010-11-30 | 2011-06-29 | 东方电气集团东方电机有限公司 | Semi-direct drive megawatt permanent magnetic wind power generator |
| CN201975879U (en) * | 2010-12-29 | 2011-09-14 | 青岛敏深风电科技有限公司 | Efficient unobstructed permanent magnet wind generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653310A (en) * | 2019-10-10 | 2021-04-13 | 桓仁东瑞水能科技有限公司 | Three-phase permanent magnet synchronous generator for hydroelectric power generation |
| CN112242775A (en) * | 2020-11-30 | 2021-01-19 | 卧龙电气南阳防爆集团股份有限公司 | Box type high-speed motor |
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Application publication date: 20120704 |