CN202586691U - Permanent magnet synchronous wind-driven generator - Google Patents
Permanent magnet synchronous wind-driven generator Download PDFInfo
- Publication number
- CN202586691U CN202586691U CN 201220213087 CN201220213087U CN202586691U CN 202586691 U CN202586691 U CN 202586691U CN 201220213087 CN201220213087 CN 201220213087 CN 201220213087 U CN201220213087 U CN 201220213087U CN 202586691 U CN202586691 U CN 202586691U
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- bearing
- oil
- permanent magnet
- end cover
- magnet synchronous
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a permanent magnet synchronous wind-driven generator mainly adapted in the field of generators, which comprises an insulating end cover, a stator and a rotor. An insulating material layer on the insulating end cover is arranged between the end cover and a bearing. The rotor adopts a permanent magnet. The shell of the stator adopts a water sleeve structure, wherein the water sleeve adopts a hollow structure formed by binding an internal-layer cylinder with an external-layer cylinder. The cylinders are made of steel plates. Steel bars or reinforcements are arranged between the internal-layer steel cylinder and the external-layer steel cylinder to form a supporting frame and a water path.
Description
Technical field
The utility model relates to a kind of permanent magnet synchronous wind generator.
Background technology
Generator is to be the device that media converts mechanical energy into electric energy with magnetic field.Magnetic field is the basis of realizing mechanical energy is converted to electric energy, and produce magnetic field has dual mode, and a kind of is that helical coil is generated an electromagnetic field under the state of energising; Another kind is to utilize permanent magnet to produce magnetic field.Present most of permanent magnet direct drive synthronous wind-mill generator uses permanent magnet to produce magnetic field more, the cutting magnetic line generating.
Present permanent magnet synchronous wind generator is that an asynchronous generator is divided into many synchronous generators, reaches the effect of synchronous generator; The moment of torsion that has reduced existing asynchronous generator is big, still, also exists to be prone to high temperature; Inefficiency, complex structure can't guarantee the life-span; Cost is crossed problems such as height, and its operating efficiency also can only reach 70%.
The utility model content
Have the permanent magnet direct-drive synchronous generator now for solving, inefficiency, complex structure can't guarantee the life-span, the problem that cost is too high, the utility model discloses a kind of permanent magnet synchronous wind generator.
The technical scheme that the utility model adopts is:
A kind of permanent magnet synchronous wind generator comprises insulated end cover (15), stator (16), rotor (17); A, be provided with end cap (7) and bearing (14) above the said insulated end cover (15), be provided with insulation material layer (4) between end cap (7) and the bearing (14);
B, said rotor (17) adopt permanent magnetic iron;
C, said stator (16) adopt the water mantle structure, and said water mantle knot is that stator is bonded to hollow-core construction by inside and outside two-layered steel plates cylinder, is provided with steel bar or reinforcing bar between the two-layered steel plates cylinder and forms bracing frame and water route;
Said a kind of wind-driven generator insulated end cover is characterized in that: its thickness of said insulation material layer (4) is arranged between 3～5mm.
Said a kind of permanent magnet synchronous wind generator, said permanent magnetic iron adopts the NdFeB material permanent magnet.
Said a kind of permanent magnet synchronous wind generator; Said bearing (14) both sides are respectively arranged with bearing end cover (10) and internal bearing cover (11); Be provided with connector between bearing end cover (10) and the internal bearing cover (11); Said end cap (7) is connected with connector, and said insulation material layer (4) is arranged between end cap (7) and the connector.
Said a kind of permanent magnet synchronous wind generator, said bearing end cover (10) is connected with connector through screw or bolt with internal bearing cover (11).
Said a kind of permanent magnet synchronous wind generator, said end cap (7) is connected with connector through screw or bolt, is insulated by insulation material layer (4) between end cap (7) and bearing end cover (10), internal bearing cover (11), the bearing (14).
Said a kind of permanent magnet synchronous wind generator, said end cap (7) is provided with oil inlet passage and oil drain passage, is provided with wavy spring sheet (9) between bearing (14) and the bearing end cover (10); Bearing end cover (10) is provided with seal cover (13), and said oil inlet passage is provided with pipe joint (1), insulating sleeve (2); Oil pipe (3), disc (12), pipe joint (1) outward flange socket insulating sleeve (2); Its outlet connects oil pipe (3), and oil pipe (3) connects disc (12), and said oil drain passage is provided with oil baffle disc (8); Oil extraction box (5), oil extraction device (6); Disc (12) connects oil baffle disc (8), and oil baffle disc (8) connects oil extraction box (5), and oil extraction box (5) connects oil extraction device (6), and oil extraction device (6) connects oil-drain pipe.
The utility model is beneficial effect compared with prior art: the motor stator shell adopts advanced water mantle structure, and this structure radiating effect is good, can effectively control electric machine temperature rise, improves electrical machinery life; The rotor excitation adopts the permanent magnetic steel structure, and this construction rotor no current passes through, so magnetic field is stable, and energy consumption is low, and efficient is high, and temperature rise is low, has good low-voltage and passes through performance; Motor has been cancelled collector ring and carbon brush structure, safeguards simply, greatly reduces later stage working service cost.
The utility model compared with prior art has following beneficial effect: radiating effect is good; Effectively control electric machine temperature rise, motor shaft voltage height, short problem of insulation bearing life-span, secondly oil piping system has effectively solved the oil impregnate problem, and this structure shockproof effect is good; Cost is low, reliable in structure.
Description of drawings:
Fig. 1 is the permanent magnet direct drive synthronous wind-mill generator structural representation;
Fig. 2 is the insulated end cover structural representation;
Fig. 3 is the insulated end cover profile;
Wherein: 1 in the accompanying drawing, pipe joint, 2, insulating sleeve, 3, oil pipe, 4, insulation material layer, 5, the oil extraction box; 6, oil extraction device, 7, end cap, 8, oil baffle disc, 9, the wavy spring sheet; 10, bearing end cover, 11, internal bearing cover, 12, disc, 13, seal cover; 14, bearing,, 15, insulated end cover, 16,
Stator, 17, rotor.
Embodiment:
This permanent magnet direct drive synthronous wind-mill generator, by a kind of permanent magnet synchronous wind generator, its structure comprises insulated end cover (15), stator (16), rotor (17) three parts are formed.As the 1.5MW wind-driven generator; Can produce in batches and be used for wind power generation field; Motor has improved common electric machine end cap in the past, adopts insulated end cover, because the double-fed wind power generator rotor excitation adopts the converter plant power supply; So can produce high frequency common mode voltage at wind-driven generator binding post place, produce common mode current then.This common mode current can produce be crossed over the voltage of dynamo bearing through transformer action, and when the leap voltage that produces had exceeded the insulating capacity of bearing lubricant, bearing will flow through electric current (be us usually said shaft current), causes the damage of bearing.The high frequency shaft current mainly comprises rotating shaft earth current, capacitive discharge electric current, loop current.
Above-mentioned a kind of permanent magnet synchronous wind generator comprises insulated end cover (15), stator (16), rotor (17); A, be provided with end cap (7) and bearing (14) above the insulated end cover (15), be provided with insulation material layer (4) between end cap (7) and the bearing (14); B, rotor (17) adopt permanent magnetic iron; C, stator (16) adopt the water mantle structure, and the water mantle knot is that stator is bonded to hollow-core construction by inside and outside two-layered steel plates cylinder, are provided with steel bar or reinforcing bar between the two-layered steel plates cylinder and form bracing frame and water route.
Its thickness of insulation material layer (4) is arranged between 3～5mm.Permanent magnetic iron adopts the NdFeB material permanent magnet.Bearing (14) both sides are respectively arranged with bearing end cover (10) and internal bearing cover (11); Be provided with connector between bearing end cover (10) and the internal bearing cover (11); Said end cap (7) is connected with connector, and said insulation material layer (4) is arranged between end cap (7) and the connector.Bearing end cover (10) is connected with connector through screw or bolt with internal bearing cover (11).End cap (7) is connected with connector through screw or bolt, is insulated by insulation material layer (4) between end cap (7) and bearing end cover (10), internal bearing cover (11), the bearing (14).End cap (7) is provided with oil inlet passage and oil drain passage, is provided with wavy spring sheet (9) between bearing (14) and the bearing end cover (10), and bearing end cover (10) is provided with seal cover (13), and said oil inlet passage is provided with pipe joint (1); Insulating sleeve (2), oil pipe (3), disc (12); Pipe joint (1) outward flange socket insulating sleeve (2), its outlet connects oil pipe (3), and oil pipe (3) connects disc (12); Said oil drain passage is provided with oil baffle disc (8), oil extraction box (5), oil extraction device (6); Disc (12) connects oil baffle disc (8), and oil baffle disc (8) connects oil extraction box (5), and oil extraction box (5) connects oil extraction device (6), and oil extraction device (6) connects oil-drain pipe.The utility model radiating effect is good, effectively controls electric machine temperature rise, motor shaft voltage height, short problem of insulation bearing life-span, and secondly oil piping system has effectively solved the oil impregnate problem, and this structure shockproof effect is good, and cost is low, reliable in structure.
Claims (7)
1. a permanent magnet synchronous wind generator comprises insulated end cover (15), stator (16), and rotor (17) is characterized in that:
A, be provided with end cap (7) and bearing (14) above the said insulated end cover (15), be provided with insulation material layer (4) between end cap (7) and the bearing (14);
B, said rotor (17) adopt permanent magnetic iron;
C, said stator (16) adopt the water mantle structure, and said water mantle knot is that stator is bonded to hollow-core construction by inside and outside two-layered steel plates cylinder, is provided with steel bar or reinforcing bar between the two-layered steel plates cylinder and forms bracing frame and water route.
2. according to the said a kind of permanent magnet synchronous wind generator of claim 1, it is characterized in that: its thickness of said insulation material layer (4) is arranged between 3～5mm.
3. according to the said a kind of permanent magnet synchronous wind generator of claim 1, it is characterized in that: said permanent magnetic iron adopts the NdFeB material permanent magnet.
4. according to the said a kind of permanent magnet synchronous wind generator of claim 1; It is characterized in that: said bearing (14) both sides are respectively arranged with bearing end cover (10) and internal bearing cover (11); Be provided with connector between bearing end cover (10) and the internal bearing cover (11); Said end cap (7) is connected with connector, and said insulation material layer (4) is arranged between end cap (7) and the connector.
5. according to the said a kind of permanent magnet synchronous wind generator of claim 4, it is characterized in that: said bearing end cover (10) is connected with connector through screw or bolt with internal bearing cover (11).
6. according to the said a kind of permanent magnet synchronous wind generator of claim 4; It is characterized in that: said end cap (7) is connected with connector through screw or bolt, is insulated by insulation material layer (4) between end cap (7) and bearing end cover (10), internal bearing cover (11), the bearing (14).
7. according to the said a kind of permanent magnet synchronous wind generator of claim 1, it is characterized in that: said end cap (7) is provided with oil inlet passage and oil drain passage, is provided with wavy spring sheet (9) between bearing (14) and the bearing end cover (10); Bearing end cover (10) is provided with seal cover (13), and said oil inlet passage is provided with pipe joint (1), insulating sleeve (2); Oil pipe (3), disc (12), pipe joint (1) outward flange socket insulating sleeve (2); Its outlet connects oil pipe (3), and oil pipe (3) connects disc (12), and said oil drain passage is provided with oil baffle disc (8); Oil extraction box (5), oil extraction device (6); Disc (12) connects oil baffle disc (8), and oil baffle disc (8) connects oil extraction box (5), and oil extraction box (5) connects oil extraction device (6), and oil extraction device (6) connects oil-drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213087 CN202586691U (en) | 2012-05-14 | 2012-05-14 | Permanent magnet synchronous wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220213087 CN202586691U (en) | 2012-05-14 | 2012-05-14 | Permanent magnet synchronous wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586691U true CN202586691U (en) | 2012-12-05 |
Family
ID=47256053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220213087 Expired - Fee Related CN202586691U (en) | 2012-05-14 | 2012-05-14 | Permanent magnet synchronous wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586691U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143873A (en) * | 2013-05-09 | 2014-11-12 | 上海电气集团上海电机厂有限公司 | Ultra-high-speed permanent-magnet synchronous motor with insulated bearing structure |
| CN110168877A (en) * | 2016-12-23 | 2019-08-23 | 维斯塔斯风力系统集团公司 | The electric isolution of motor stator is installed |
| CN114026345A (en) * | 2019-06-26 | 2022-02-08 | Abb瑞士股份有限公司 | Wear-resistant bearing construction with insulating sleeve and modules |
-
2012
- 2012-05-14 CN CN 201220213087 patent/CN202586691U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143873A (en) * | 2013-05-09 | 2014-11-12 | 上海电气集团上海电机厂有限公司 | Ultra-high-speed permanent-magnet synchronous motor with insulated bearing structure |
| CN110168877A (en) * | 2016-12-23 | 2019-08-23 | 维斯塔斯风力系统集团公司 | The electric isolution of motor stator is installed |
| CN110168877B (en) * | 2016-12-23 | 2021-08-10 | 维斯塔斯风力系统集团公司 | Electrical isolation mounting of motor stator |
| CN114026345A (en) * | 2019-06-26 | 2022-02-08 | Abb瑞士股份有限公司 | Wear-resistant bearing construction with insulating sleeve and modules |
| CN114026345B (en) * | 2019-06-26 | 2024-03-22 | Abb瑞士股份有限公司 | Wear bearing construction with insulating sleeve and module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20180514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |