CN104410190B - A kind of generator amature ventilation slot structure - Google Patents
A kind of generator amature ventilation slot structure Download PDFInfo
- Publication number
- CN104410190B CN104410190B CN201410731076.1A CN201410731076A CN104410190B CN 104410190 B CN104410190 B CN 104410190B CN 201410731076 A CN201410731076 A CN 201410731076A CN 104410190 B CN104410190 B CN 104410190B
- Authority
- CN
- China
- Prior art keywords
- passage
- rotor windings
- serpentine
- rotor
- copper
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
Abstract
The invention discloses a kind of generator amature ventilation slot structure, including bottom land filler strip, rotor windings, wedge bar, Damper Winding and rotor slot wedge, a passage that radial ventilation is formed with air vent is at least provided with rotor windings axial direction, the adjacent copper bar of any two is upwardly formed the passage in rotor windings axle, the air inlet of beneath galleries is in tilted layout along cooling wind wind direction, the top of passage is at least provided with the ventilating duct that a cross section is in serpentine, more copper conductor mutual dislocations arrangement on channel upper copper bar axial direction, the adjacent copper bar of any two is upwardly formed the ventilating duct of the serpentine in rotor windings axle.The air inlet of beneath galleries is in tilted layout by the present invention along cooling wind wind direction, the air intake resistance suffered by passage air inlet can be effectively reduced, increase the air intake flow velocity that cooling gas enters passage, turbulent flow will be formed after the cooling gas of beneath galleries air inlet enters serpentine ventilating duct, greatly improves ventilating and cooling effect.
Description
Technical field
The present invention relates to technical field of generators, more particularly to a kind of generator amature ventilation slot structure.
Background technology
Generator is the plant equipment into electric energy by the energy conversion of other forms, and it is by the hydraulic turbine, steam turbine, diesel engine
Or the driving of other dynamic power machines, by current, air-flow, energy caused by fuel combustion or nuclear fission is converted into mechanical energy and is transmitted to
Generator, then electric energy is converted to by generator.Generator has widely in industrial and agricultural production, national defence, science and technology and daily life
Purposes.The form of generator is a lot, but its operation principle is all based on the law of electromagnetic induction and law of electromagnetic force.Therefore, it is constructed
Rule be:The magnetic circuit and circuit for carrying out electromagnetic induction mutually are formed with appropriate magnetic conduction and conductive material, to produce electricity
Magnetic power, reach the purpose of energy conversion.
Generator is generally made up of parts such as stator, rotor, end cap and bearings.Stator is by stator core, line winding, machine
Seat and the other structures part composition for fixing these parts, stator core is the Primary magnetic circuit of stator, and stator core is rushed by sector
The parts such as piece, vent segment, tooth support, turnbuckle, tray, positioning bar form, support be for fixed stator iron core, it is right
In suspended type generator, support is used for bearing the total weight of rotating part, and stator core is a part for generator magnetic circuit;Generate electricity
The support main function of machine is the supporting construction as stator core lamination;The moment of torsion of stator is born, and sends it to footing;
Form the passage of cooling gas;Form the supporting construction of bearing, frame and cooler;Rotor by rotor core winding, retaining ring, in
The parts such as thimble, slip ring, fan and rotating shaft form.Generator is assembled stator, rotor by bearing and end cap, is made
Rotor can rotate in the stator, do the motion of cutting magnetic line, so as to produce induced potential, drawn, be connected on by binding post
In loop, electric current is just generated.
Prior art rotor bottom land ventilation from sub-slot system cross section generally include bottom land filler strip, rotor windings, wedge bar,
Damper Winding and rotor slot wedge, in this cooling system, cool down the gas needed for rotor windings and entered by rotor body both ends
In bottom land pair groove, by radially straight air channel, air gap is discharged into from the air outlet on rotor slot wedge.
Publication No. CN 202197171U, publication date are that the Chinese patent literature of on 04 18th, 2012 discloses one kind
Large-capacity air-cooled turbogenerator ventilation structure, it is characterized in that:Gas out enters motor end, warp beam stream by cooler
Enter rotor after the pressurization of formula fan, be divided into three passages and cooled down:First passage is used to radial direction ventilating and cooling, and cold wind is by pair
Groove enters, and is discharged by two row's radial direction exhaust vents, then enters back into air gap, and second channel is cooled down using axial ventilation:Cold wind edge
Axially, entered by fresh air inlet, exhaust vent discharge, enter back into air gap, third channel, cold wind is entered by rotor tip fresh air inlet, cold
But behind end, then from end exhaust vent air gap is entered.
Large-capacity air-cooled turbogenerator ventilation structure disclosed in the patent document, cold wind are entered by secondary groove, passed through
Two row's radial direction exhaust vents are discharged, and then enter back into air gap, form radial direction direct ventilation in rotor slot, and second channel is using axially in addition
Ventilating and cooling, third channel, cold wind are entered by rotor tip fresh air inlet, after cooling down end, then from end exhaust vent enter air gap,
A kind of alternately ventilation cooling structure is formed, whole ventilation structure is considerably complicated, and first passage, second channel and the 3rd
The cooling wind of passage, which can produce, to influence each other, and causes whole ventilating and cooling effect unsatisfactory.
The content of the invention
The defects of present invention is in order to overcome above-mentioned prior art, there is provided a kind of generator amature ventilation slot structure, the present invention
The air inlet of beneath galleries is in tilted layout along cooling wind wind direction, can effectively reduce and enter windage suffered by passage air inlet
Power, increases the air intake flow velocity that cooling gas enters passage, and the cooling gas through beneath galleries air inlet enters serpentine ventilating duct
After will form turbulent flow, greatly improve ventilating and cooling effect.
The present invention is achieved through the following technical solutions:
A kind of generator amature is divulged information slot structure, including bottom land filler strip, rotor windings, wedge bar, Damper Winding and is turned
Pilot trench wedge, rotor windings are made up of multiple copper bars and turn-to-turn insulation, and copper bar is formed side by side by more copper conductors, the bottom land pad
Air vent is provided with bar, rotor windings, wedge bar, Damper Winding and rotor slot wedge, it is characterised in that:The rotor windings
A passage that radial ventilation is formed with air vent is at least provided with axial direction, the adjacent copper bar of any two is on rotor windings axial direction
Form the passage, the air inlet of the beneath galleries is in tilted layout along cooling wind wind direction, the top of the passage at least provided with
There is the ventilating duct that a cross section is in serpentine, the more copper conductor mutual dislocations arrangement on the channel upper copper bar axial direction, appoint
Two adjacent copper bars of meaning are upwardly formed the ventilating duct of the serpentine in rotor windings axle.
The passage is two.
The passage is multiple, and multiple passages are arranged side by side.
Bottom land filler strip arrangement corresponding with the copper conductor of cooling gas inlet port bottom.
The serpentine ventilating duct is multiple, and multiple serpentine ventilating ducts join end to end on rotor windings axial direction.
Also include secondary groove, the secondary groove penetrates with the passage.
Beneficial effects of the present invention are mainly manifested in the following aspects:
First, it is of the invention, at least it is provided with a passage with air vent formation radial ventilation on rotor windings axial direction, any two
Individual adjacent copper bar is upwardly formed the passage in rotor windings axle, and the air inlet of the passage is in tilted layout along cooling wind wind direction,
The air intake resistance suffered by passage air inlet can be effectively reduced, cooling gas is more smooth from passage air inlet entrance, increases
Cooling gas enters the air intake flow velocity of passage, while makes the wind speed profile of whole passage evenly, to increase the coefficient of heat transfer, so as to
More preferable gas cooling effect is reached, the top of passage is in the ventilating duct of serpentine at least provided with a cross section, described logical
More copper conductor mutual dislocations arrangement on the copper bar axial direction of road top, the adjacent copper bar of any two are upwardly formed in rotor windings axle
The ventilating duct of the serpentine, compared with prior art radially straight-through air channel, the cooling gas through beneath galleries air inlet enters
Turbulent flow will be formed after serpentine ventilating duct, improves surface coefficient of heat transfer of the copper conductor to cooling gas, while add copper and lead
The area of dissipation of line, so as to reach more preferable gas cooling effect;Whole technical scheme forms a complete technical scheme,
For prior art, not only whole aeration structure is ingenious in design, and the ventilating and cooling significant effect of copper bar is improved.
2nd, it is of the invention, bottom land filler strip arrangement corresponding with the copper conductor of cooling gas inlet port bottom, can further it subtract
Sulculus heelpiece bar makes cooling gas be more easy to enter passage, further enhances cooling airflow speed, improve to copper to the obstruction of cooling wind
The cooling effect of row.
3rd, of the invention, serpentine ventilating duct is multiple, and multiple serpentine ventilating ducts join end to end on rotor windings axial direction,
Cooling gas will be formed continuously multiple turbulent flow, maximumlly carry after beneath galleries air inlet enters multiple serpentine ventilating ducts
High surface coefficient of heat transfer of the copper conductor to cooling gas, while the area of dissipation of copper conductor is added, make ventilating and cooling effect
Reach optimal.
4th, of the invention, passage is two, and processing is easier to, add cooling gas by area, make dissipating for copper conductor
Hot area increase, so as to improve ventilating and cooling effect.
5th, of the invention, passage is multiple, and multiple passages are arranged side by side, further increase cooling gas by area,
The area of dissipation of copper conductor is significantly increased, so that ventilating and cooling effect reaches optimal.
6th, it is of the invention, in addition to secondary groove, the secondary groove and passage insertion, can after cooling gas is entered by secondary groove
Direct access cools down to copper conductor.
Brief description of the drawings
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of the embodiment of the present invention 5;
Fig. 6 is the structural representation of the embodiment of the present invention 6;
Fig. 7 is Fig. 6 A-A schematic diagrames;
Marked in figure:Marked in figure:1st, bottom land filler strip, 2, rotor windings, 3, wedge bar, 4, Damper Winding, 5, rotor
Slot wedge, 6, copper bar, 7, turn-to-turn insulation, 8, copper conductor, 9, air vent, 10, passage, 11, air inlet, 12, ventilating duct, 13, secondary groove.
Embodiment
Embodiment 1
Referring to Fig. 1, a kind of generator amature ventilation slot structure, including bottom land filler strip 1, rotor windings 2, wedge bar 3, resistance
Buddhist nun's winding 4 and rotor slot wedge 5, rotor windings 2 are made up of multiple copper bars 6 and turn-to-turn insulation 7, copper bar 6 by more copper conductors 8 side by side
Form, air vent 9, institute are provided with the bottom land filler strip 1, rotor windings 2, wedge bar 3, Damper Winding 4 and rotor slot wedge 5
State and a passage 10 that radial ventilation is formed with air vent 9 is provided with the axial direction of rotor windings 2, the adjacent copper bar 6 of any two is turning
The sub- axle of winding 2 is upwardly formed the passage 10, and the air inlet 11 of the bottom of passage 10 is in tilted layout along cooling wind wind direction, described
The top of passage 10 is provided with the ventilating duct 12 that a cross section is in serpentine, more on the axial direction of 10 top copper bar of passage 6
The mutual dislocation of copper conductor 8 arranges that the adjacent copper bar 6 of any two is upwardly formed the ventilating duct of the serpentine in the axle of rotor windings 2
12。
The present embodiment is most basic embodiment, using such structure, the air inlet edge cooling wind wind of the passage
To being in tilted layout, the air intake resistance suffered by passage air inlet can be effectively reduced, cooling gas enters more from passage air inlet
It is smooth, increase cooling gas and enter the air intake flow velocity of passage, while the wind speed profile for making whole passage is evenly, is changed with increase
Hot coefficient, so as to reach more preferable gas cooling effect, the top of passage is at least provided with a cross section in the logical of serpentine
Air channel, the more copper conductor mutual dislocations arrangement on the channel upper copper bar axial direction, the adjacent copper bar of any two rotor around
Group axle is upwardly formed the ventilating duct of the serpentine, compared with prior art radially straight-through air channel, through the cold of beneath galleries air inlet
But gas will form turbulent flow after entering serpentine ventilating duct, improve surface coefficient of heat transfer of the copper conductor to cooling gas, simultaneously
The area of dissipation of copper conductor is added, so as to reach more preferable gas cooling effect;Whole technical scheme forms one completely
Technical scheme, for prior art, not only whole aeration structure is ingenious in design, and the ventilating and cooling effect of copper bar is shown
Write and improve.
Embodiment 2
Referring to Fig. 2, a kind of generator amature ventilation slot structure, including bottom land filler strip 1, rotor windings 2, wedge bar 3, resistance
Buddhist nun's winding 4 and rotor slot wedge 5, rotor windings 2 are made up of multiple copper bars 6 and turn-to-turn insulation 7, copper bar 6 by more copper conductors 8 side by side
Form, air vent 9, institute are provided with the bottom land filler strip 1, rotor windings 2, wedge bar 3, Damper Winding 4 and rotor slot wedge 5
State and a passage 10 that radial ventilation is formed with air vent 9 is provided with the axial direction of rotor windings 2, the adjacent copper bar 6 of any two is turning
The sub- axle of winding 2 is upwardly formed the passage 10, and the air inlet 11 of the bottom of passage 10 is in tilted layout along cooling wind wind direction, described
The top of passage 10 is provided with the ventilating duct 12 that a cross section is in serpentine, more on the axial direction of 10 top copper bar of passage 6
The mutual dislocation of copper conductor 8 arranges that the adjacent copper bar 6 of any two is upwardly formed the ventilating duct of the serpentine in the axle of rotor windings 2
12。
The bottom land filler strip 1 arrangement corresponding with the copper conductor 8 of cooling gas inlet port bottom.
The present embodiment is a better embodiment, bottom land filler strip cloth corresponding with the copper conductor of cooling gas inlet port bottom
Put, can further reduce obstruction of the bottom land filler strip to cooling wind, make cooling gas be more easy to enter passage, further enhance cooling
Distinguished and admirable speed, improve the cooling effect to copper bar.
Embodiment 3
Referring to Fig. 3, a kind of generator amature ventilation slot structure, including bottom land filler strip 1, rotor windings 2, wedge bar 3, resistance
Buddhist nun's winding 4 and rotor slot wedge 5, rotor windings 2 are made up of multiple copper bars 6 and turn-to-turn insulation 7, copper bar 6 by more copper conductors 8 side by side
Form, air vent 9, institute are provided with the bottom land filler strip 1, rotor windings 2, wedge bar 3, Damper Winding 4 and rotor slot wedge 5
State and a passage 10 that radial ventilation is formed with air vent 9 is provided with the axial direction of rotor windings 2, the adjacent copper bar 6 of any two is turning
The sub- axle of winding 2 is upwardly formed the passage 10, and the air inlet 11 of the bottom of passage 10 is in tilted layout along cooling wind wind direction, described
The top of passage 10 is provided with the ventilating duct 12 that three cross sections are in serpentine, and three serpentine ventilating ducts 12 are in the axle of rotor windings 2
Join end to end upwards, the more mutual dislocations of copper conductor 8 on the axial direction of 10 top copper bar of passage 6 are arranged, any two is adjacent
Copper bar 6 is upwardly formed the ventilating duct 12 of the serpentine in the axle of rotor windings 2.
The bottom land filler strip 1 arrangement corresponding with the copper conductor 8 of cooling gas inlet port bottom.
The present embodiment is another better embodiment, and serpentine ventilating duct is three, three serpentine ventilating ducts rotor around
Group is joined end to end on axial direction, and cooling gas will be formed continuously more after beneath galleries air inlet enters three serpentine ventilating ducts
Weight turbulent flow, maximumlly improves surface coefficient of heat transfer of the copper conductor to cooling gas, while add the radiating surface of copper conductor
Product, further improve ventilating and cooling effect.
Embodiment 4
Referring to Fig. 4, a kind of generator amature ventilation slot structure, including bottom land filler strip 1, rotor windings 2, wedge bar 3, resistance
Buddhist nun's winding 4 and rotor slot wedge 5, rotor windings 2 are made up of multiple copper bars 6 and turn-to-turn insulation 7, copper bar 6 by more copper conductors 8 side by side
Form, air vent 9, institute are provided with the bottom land filler strip 1, rotor windings 2, wedge bar 3, Damper Winding 4 and rotor slot wedge 5
State and two passages 10 that radial ventilation is formed with air vent 9 are provided with the axial direction of rotor windings 2, the adjacent copper bar 6 of any two is turning
The sub- axle of winding 2 is upwardly formed the passage 10, and the air inlet 11 of the bottom of passage 10 is in tilted layout along cooling wind wind direction, described
The top of passage 10 is provided with the ventilating duct 12 that four cross sections are in serpentine, and four serpentine ventilating ducts 12 are in the axle of rotor windings 2
Join end to end upwards, the more mutual dislocations of copper conductor 8 on the axial direction of 10 top copper bar of passage 6 are arranged, any two is adjacent
Copper bar 6 is upwardly formed the ventilating duct 12 of the serpentine in the axle of rotor windings 2.
The bottom land filler strip 1 arrangement corresponding with the copper conductor 8 of cooling gas inlet port bottom.
The present embodiment is another better embodiment, and passage is two, and processing is easier to, and adds passing through for cooling gas
Area, makes the area of dissipation of copper conductor increase, so as to improve ventilating and cooling effect;Serpentine ventilating duct is four, four " S "
Shape ventilating duct joins end to end on rotor windings axial direction, and cooling gas enters four serpentine ventilating ducts through beneath galleries air inlet
Afterwards, multiple turbulent flow will be formed continuously, surface coefficient of heat transfer of the copper conductor to cooling gas is maximumlly improved, increases simultaneously
The area of dissipation of copper conductor, further improve ventilating and cooling effect.
Embodiment 5
Referring to Fig. 5, a kind of generator amature ventilation slot structure, including bottom land filler strip 1, rotor windings 2, wedge bar 3, resistance
Buddhist nun's winding 4 and rotor slot wedge 5, rotor windings 2 are made up of multiple copper bars 6 and turn-to-turn insulation 7, copper bar 6 by more copper conductors 8 side by side
Form, air vent 9, institute are provided with the bottom land filler strip 1, rotor windings 2, wedge bar 3, Damper Winding 4 and rotor slot wedge 5
State and three passages 10 that radial ventilation is formed with air vent 9 are provided with the axial direction of rotor windings 2, three passages 10 are arranged side by side, and appoint
Two adjacent copper bars 6 of meaning are upwardly formed the passage 10 in the axle of rotor windings 2, and the air inlet 11 of the bottom of passage 10 is along cooling
Wind wind direction is in tilted layout, and the top of the passage 10 is provided with the ventilating duct 12 that four cross sections are in serpentine, and four serpentines lead to
Air channel 12 joins end to end on the axial direction of rotor windings 2, and more copper conductors 8 on the axial direction of 10 top copper bar of passage 6 are mutually wrong
Position arrangement, the adjacent copper bar 6 of any two are upwardly formed the ventilating duct 12 of the serpentine in the axle of rotor windings 2.
The bottom land filler strip 1 arrangement corresponding with the copper conductor 8 of cooling gas inlet port bottom.
Also include secondary groove 13, the secondary groove 13 penetrates with the passage 10.
The present embodiment is another better embodiment, and passage is three, and three passages are arranged side by side, and further increase cold
But gas by area, the area of dissipation of copper conductor is significantly increased, so that ventilating and cooling effect reaches optimal.
Embodiment 6
Referring to Fig. 6 and Fig. 7, a kind of generator amature ventilation slot structure, including bottom land filler strip 1, rotor windings 2, wedge underlay
Bar 3, Damper Winding 4 and rotor slot wedge 5, rotor windings 2 are made up of multiple copper bars 6 and turn-to-turn insulation 7, and copper bar 6 is led by more copper
Line 8 forms side by side, is provided with the bottom land filler strip 1, rotor windings 2, wedge bar 3, Damper Winding 4 and rotor slot wedge 5 logical
Air holes 9, three passages 10 that radial ventilation is formed with air vent 9 are provided with the axial direction of rotor windings 2, three passages 10 are side by side
Arrangement, the adjacent copper bar 6 of any two are upwardly formed the passage 10, the air inlet of the bottom of passage 10 in the axle of rotor windings 2
11 are in tilted layout along cooling wind wind directions, and the top of the passage 10 is provided with the ventilating duct 12 that five cross sections are in serpentine, five
Serpentine ventilating duct 12 joins end to end on the axial direction of rotor windings 2, more copper conductors 8 on the axial direction of 10 top copper bar of passage 6
Mutual dislocation arranges that the adjacent copper bar 6 of any two is upwardly formed the ventilating duct 12 of the serpentine in the axle of rotor windings 2.The groove
The arrangement corresponding with the copper conductor 8 of cooling gas inlet port bottom of heelpiece bar 1.Also include secondary groove 13, the secondary groove 13 with it is described
Passage 10 penetrates.
The present embodiment is preferred forms, and passage is three, and three passages are arranged side by side, and further increase cooling gas
Body by area, the area of dissipation of copper conductor is significantly increased, so that ventilating and cooling effect reaches optimal;Serpentine is divulged information
Road is five, and five serpentine ventilating ducts join end to end on rotor windings axial direction, and cooling gas enters through beneath galleries air inlet
After five serpentine ventilating ducts, multiple turbulent flow will be formed continuously, copper conductor is maximumlly improved and the surface of cooling gas is dissipated
Hot coefficient, while the area of dissipation of copper conductor is added, ventilating and cooling effect is reached optimal;Also include secondary groove, the secondary groove
With the passage penetrate, cooling gas by secondary groove enter after, can direct access copper conductor is cooled down.
The invention is not restricted to above-described embodiment, and according to the description of above-described embodiment, one of ordinary skill in the art may be used also
The present invention is made some it is obvious change, but these changes all should fall into the claims in the present invention protection domain it
It is interior.
Claims (4)
- The slot structure 1. a kind of generator amature is divulged information, including bottom land filler strip(1), rotor windings(2), wedge bar(3), damping around Group(4)And rotor slot wedge(5), rotor windings(2)By multiple copper bars(6)And turn-to-turn insulation(7)Form, copper bar(6)By more copper Wire(8)Form side by side, the bottom land filler strip(1), rotor windings(2), wedge bar(3), Damper Winding(4)And rotor slot wedge (5)On be provided with air vent(9), it is characterised in that:The rotor windings(2)One and air vent are at least provided with axial direction(9) Form the passage of radial ventilation(10), the adjacent copper bar of any two(6)In rotor windings(2)Axle is upwardly formed the passage (10), the passage(10)The air inlet of bottom(11)It is in tilted layout along cooling wind wind direction, the passage(10)Top at least It is provided with the ventilating duct that a cross section is in serpentine(12), the passage(10)Top copper bar(6)More copper conductors on axial direction (8)Mutual dislocation arrangement, the adjacent copper bar of any two(6)In rotor windings(2)Axle is upwardly formed the ventilating duct of the serpentine (12), the bottom land filler strip(1)With the copper conductor of cooling gas inlet port bottom(8)Corresponding arrangement.
- A kind of 2. generator amature ventilation slot structure according to claim 1, it is characterised in that:The serpentine ventilating duct (12)To be multiple, multiple serpentine ventilating ducts(12)In rotor windings(2)Joined end to end on axial direction.
- A kind of 3. generator amature ventilation slot structure according to claim 1 or 2, it is characterised in that:The passage(10) For two.
- A kind of 4. generator amature ventilation slot structure according to claim 1 or 2, it is characterised in that:The passage(10) To be multiple, multiple passages(10)It is arranged side by side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410731076.1A CN104410190B (en) | 2014-12-05 | 2014-12-05 | A kind of generator amature ventilation slot structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410731076.1A CN104410190B (en) | 2014-12-05 | 2014-12-05 | A kind of generator amature ventilation slot structure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104410190A CN104410190A (en) | 2015-03-11 |
CN104410190B true CN104410190B (en) | 2017-11-21 |
Family
ID=52647794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410731076.1A Active CN104410190B (en) | 2014-12-05 | 2014-12-05 | A kind of generator amature ventilation slot structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104410190B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104953766B (en) * | 2015-06-17 | 2018-11-13 | 北京金风科创风电设备有限公司 | Radial ventilation cooling structure of motor |
CN106849433B (en) * | 2015-12-07 | 2023-04-14 | 东方电气集团东方电机有限公司 | Adopt horizontal air gap of vice groove air feed cooled turbogenerator rotor |
CN107994708A (en) * | 2017-12-19 | 2018-05-04 | 卧龙电气集团股份有限公司 | A kind of motor rotor ventilation structure |
CN107896023B (en) * | 2018-01-10 | 2023-09-05 | 东方电气集团东方电机有限公司 | Two-way external cooling ventilation structure for rotor end coil of steam turbine generator |
CN108599424B (en) * | 2018-06-13 | 2019-06-14 | 哈尔滨理工大学 | Pumped-storage power generation motor with multistage adding pressure type rotor step by step |
CN109149826B (en) * | 2018-08-15 | 2021-01-22 | 北京交通大学 | Series-parallel connection variable cross-section type generator auxiliary tank ventilation cooling structure |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119033A (en) * | 1961-11-07 | 1964-01-21 | Parsons C A & Co Ltd | Dynamo-electric machines |
US6362545B1 (en) * | 1994-11-04 | 2002-03-26 | General Electric Company | Dynamoelectric machines having rotor windings with turbulated cooling passages |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4900956A (en) * | 1988-11-14 | 1990-02-13 | Westinghouse Electric Corp. | Closed channel axial vent for radially ventilated generator rotor |
CN101689779A (en) * | 2007-07-02 | 2010-03-31 | 阿尔斯托姆科技有限公司 | Rotor for a generator |
US7791230B2 (en) * | 2008-10-21 | 2010-09-07 | General Electric Company | Heat transfer enhancement of dynamoelectric machine rotors |
WO2013112067A1 (en) * | 2012-01-26 | 2013-08-01 | General Electric Company | Dynamoelectric machine having enhanced rotor ventilation |
EP2693608A1 (en) * | 2012-07-30 | 2014-02-05 | Siemens Aktiengesellschaft | Coil for an electric machine |
CN204271785U (en) * | 2014-12-05 | 2015-04-15 | 东方电气集团东方电机有限公司 | A kind of generator amature ventilation slot structure |
-
2014
- 2014-12-05 CN CN201410731076.1A patent/CN104410190B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119033A (en) * | 1961-11-07 | 1964-01-21 | Parsons C A & Co Ltd | Dynamo-electric machines |
US6362545B1 (en) * | 1994-11-04 | 2002-03-26 | General Electric Company | Dynamoelectric machines having rotor windings with turbulated cooling passages |
Also Published As
Publication number | Publication date |
---|---|
CN104410190A (en) | 2015-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104410190B (en) | A kind of generator amature ventilation slot structure | |
US8653703B2 (en) | Permanent magnetic rotating electric machine and wind power generating system | |
CN102290922B (en) | Double-fed wind generator | |
US8421285B2 (en) | Permanent magnet type electric power generator | |
CN102769356B (en) | Permanent magnet synchronous traction motor with air cooling structure and air cooling method of permanent magnet synchronous traction motor | |
CN102064635B (en) | Steam turbine generator provided with axial-radial ventilating and cooling system | |
CN202026203U (en) | Permanent magnetic synchronized traction motor with air cooling structure | |
CN106026450B (en) | Steam turbine generator cooling system with water-cooled stator and internal fan formula rotor | |
CA2683455A1 (en) | Arrangement for cooling of an electrical machine | |
WO2011094909A1 (en) | Heat dissipation device for high power vertical axis wind generator | |
CN205753850U (en) | The ventilation cooling device of a kind of vertical hydrogenerator and vertical hydrogenerator | |
CN106849433B (en) | Adopt horizontal air gap of vice groove air feed cooled turbogenerator rotor | |
CN205195457U (en) | Adopt horizontal wind gap refrigerated turbo generator rotor of secondary notch air feed | |
CN204271785U (en) | A kind of generator amature ventilation slot structure | |
CN206498298U (en) | A kind of complete machine cooling structure of novel water-cooled magneto | |
CN204271784U (en) | A kind of generator amature radial ventilation structure | |
CN107086713A (en) | A kind of air-cooled rotor motor of high efficiency and heat radiation | |
CN206712589U (en) | A kind of air-cooled rotor motor of high efficiency and heat radiation | |
CN203734404U (en) | Internal and external cooling separated cooler of rotor magnetic pole | |
CN108448818A (en) | A kind of brushless dual-feed motor cooling structure based on coolant liquid | |
CN204271782U (en) | A kind of generator amature aeration structure | |
CN204271783U (en) | Radial aeration structure in a kind of generator amature groove | |
CN108092462B (en) | Inner and outer cooling structure of annular lead copper ring of salient pole synchronous motor confluence | |
CN205123438U (en) | Generator iron core radially ventilates | |
CN213072364U (en) | Wind driven generator and ventilation cooling system for wind driven generator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |